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Cheap flights from Dulles Intl (IAD) to Belfast from $334

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/27. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
IAD — BHD
Jun 10 — Jun 171
From?
To?
Mon 6/10
Mon 6/17
1 adult, Economy
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Cheap flight deals from Dulles Intl to Belfast

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Belfast (BF1). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 5, 2024.

Popular in

June

Cheapest in

October

Round-trip from

$640

One-way from

$434
High demand for flights, 32% potential price rise
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Best time to find cheap flights, 28% potential price drop
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From Washington, D.C. Dulles Intl to Belfast
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One-way flight from Washington, D.C. Dulles Intl to Belfast
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What is the cheapest day to fly round-trip from Washington, D.C. Dulles Intl Airport to Belfast?

Departing on a Tuesday is a good option for securing a great price. You can expect to save up to 25% when planning your travel around this day of the week.

What is the cheapest month to fly from Washington, D.C. Dulles Intl Airport to Belfast?

The best pricing can be found in the month of September. Prices to Belfast from Washington, D.C. Dulles Intl Airport average $832. You can even find prices in September for less than $832, as users have found deals to Belfast from as low as $608. The month of December appears to be one of the more expensive times to travel to Belfast from Washington, D.C. Dulles Intl Airport. Flying in the targeted month can save you up to 42%.

What is the cheapest time of day to fly from IAD to BFS?

One of the essential ways to save on airfare from Washington, D.C. Dulles Intl Airport to Belfast is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the morning could potentially save you up to 11% on airfare.

Cheap Dulles Intl to Belfast flights in June & July 2024

Find cheap flight options from Dulles Intl to Belfast specifically for the months of June and July 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,050,429 searches. Prices were last updated on June 5, 2024.
These are some of the best deals we've found on flights to Belfast in 2024 at this time. More deals are always being added, so be sure to check back regularly.
Wed 6/55:55 pmIAD - BHD
1 stop9h 55mBritish Airways
Wed 6/1211:50 amBHD - IAD
1 stop32h 50mBritish Airways
Deal found 6/4$700
Tue 6/118:15 pmIAD - BHD
2 stops14h 05mBritish Airways
Tue 6/181:40 pmBHD - IAD
1 stop11h 50mBritish Airways
Deal found 6/4$705
Tue 6/118:15 pmIAD - BHD
2 stops14h 05mBritish Airways
Tue 6/187:30 pmBHD - IAD
2 stops33h 29mBritish Airways
Deal found 6/4$715
Thu 7/45:55 pmIAD - BHD
1 stop12h 05mBritish Airways
Tue 7/99:45 amBHD - IAD
1 stop15h 45mBritish Airways
Deal found 6/4$736
Thu 7/410:45 pmIAD - BHD
1 stop13h 55mBritish Airways
Tue 7/96:35 amBHD - IAD
2 stops17h 40mBritish Airways
Deal found 6/4$760
Thu 7/410:45 pmIAD - BHD
1 stop13h 55mBritish Airways
Thu 7/116:35 amBHD - IAD
2 stops17h 40mBritish Airways
Deal found 6/4$764
Thu 7/41:13 pmIAD - BHD
2 stops16h 47mBritish Airways
Thu 7/116:35 amBHD - IAD
2 stops17h 40mBritish Airways
Deal found 6/4$765
Thu 7/1110:45 pmIAD - BHD
1 stop11h 50mBritish Airways
Tue 7/169:45 amBHD - IAD
1 stop10h 55mBritish Airways
Deal found 6/5$766
Tue 7/3010:45 pmIAD - BHD
1 stop13h 40mBritish Airways
Thu 8/87:30 pmBHD - IAD
1 stop30h 00mBritish Airways
Deal found 6/3$778

Dulles Intl to Belfast 2024 flight deals

Discover exclusive flight deals for travel between Dulles Intl and Belfast in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,050,429 searches. Data last updated June 5, 2024.
These are some of the best deals we've found on flights to Belfast in 2024 at this time. More deals are always being added, so be sure to check back regularly.
Tue 9/1710:45 pmIAD - BHD
1 stop13h 40mBritish Airways
Fri 9/276:35 amBHD - IAD
1 stop14h 00mBritish Airways
Deal found 6/5$565
Sat 10/1210:45 pmIAD - BHD
1 stop11h 20mAmerican Airlines
Sun 10/201:10 pmBHD - IAD
1 stop12h 25mAmerican Airlines
Deal found 6/4$574
Sun 10/1310:50 pmIAD - BHD
1 stop10h 45mBritish Airways
Sat 10/196:55 pmBHD - IAD
1 stop30h 40mBritish Airways
Deal found 6/4$587
Sun 10/1310:50 pmIAD - BHD
1 stop13h 45mBritish Airways
Sat 10/197:50 pmBHD - IAD
1 stop29h 45mBritish Airways
Deal found 6/5$588
Tue 8/2710:45 pmIAD - BHD
1 stop11h 35mBritish Airways
Wed 9/111:40 pmBHD - IAD
1 stop11h 50mBritish Airways
Deal found 6/4$592
Tue 8/275:55 pmIAD - BHD
1 stop10h 10mBritish Airways
Tue 9/37:30 pmBHD - IAD
1 stop25h 05mBritish Airways
Deal found 6/4$593
Tue 9/175:44 pmIAD - BHD
2 stops16h 36mBritish Airways
Fri 9/2711:50 amBHD - IAD
1 stop13h 40mBritish Airways
Deal found 6/5$597
Tue 8/2710:45 pmIAD - BHD
1 stop13h 40mBritish Airways
Wed 9/1111:50 amBHD - IAD
2 stops15h 20mBritish Airways
Deal found 6/4$602
Sat 10/1212:30 pmIAD - BHD
2 stops23h 20mDelta
Sun 10/205:20 pmBHD - IAD
1 stop27h 15mDelta
Deal found 6/4$636

Dulles Intl to Belfast flights leaving soon

Find last-minute flight options from Dulles Intl to Belfast for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 3,050,429 searches. Data last updated June 5, 2024.
Consider one of these great deals we found on last-minute flights from Washington, D.C. to Belfast. Users should examine the flight details to ensure there are no surprises.
Tue 6/118:15 pmIAD - BHD
2 stops14h 05mBritish Airways
Tue 6/181:40 pmBHD - IAD
1 stop11h 50mBritish Airways
Deal found 6/4$705
Tue 6/118:15 pmIAD - BHD
2 stops14h 05mBritish Airways
Tue 6/187:30 pmBHD - IAD
2 stops33h 29mBritish Airways
Deal found 6/4$715
Fri 6/74:30 pmIAD - BFS
2 stops21h 45mMultiple Airlines
Wed 6/128:25 amBFS - IAD
2 stops35h 15mMultiple Airlines
Deal found 6/4$914
Thu 6/612:35 pmIAD - BHD
2 stops23h 15mDelta
Mon 6/105:20 pmBHD - IAD
2 stops28h 07mDelta
Deal found 6/4$945
Tue 6/116:30 amIAD - BFS
2 stops29h 25mMultiple Airlines
Tue 6/188:55 pmBFS - IAD
2 stops25h 45mMultiple Airlines
Deal found 6/4$977
Tue 6/118:19 amIAD - BFS
3 stops31h 51mMultiple Airlines
Tue 6/181:55 pmBFS - IAD
2 stops31h 20mMultiple Airlines
Deal found 6/4$1,042
Tue 6/118:19 amIAD - BHD
3 stops31h 31mMultiple Airlines
Tue 6/181:40 pmBHD - IAD
2 stops31h 35mMultiple Airlines
Deal found 6/4$1,086
Thu 6/65:25 pmIAD - BHD
1 stop18h 25mKLM
Mon 6/105:20 pmBHD - IAD
2 stops27h 39mKLM
Deal found 6/4$1,103
Fri 6/74:30 pmIAD - BHD
2 stops22h 30mMultiple Airlines
Wed 6/1210:55 amBHD - IAD
2 stops32h 45mMultiple Airlines
Deal found 6/4$1,132

One-way flights to Belfast from Dulles Intl

Search for one-way flight options from Dulles Intl to Belfast. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 3,050,429 searches. Data last updated June 5, 2024.
Users traveling one-way from Washington, D.C. to Belfast can select one of these great deals. Users needing a return flight from Washington, D.C. to Belfast should utilize the search form above.
Tue 8/278:30 pmIAD - BFS
2 stops17h 55mMultiple Airlines
Deal found 6/4$334
Tue 8/278:30 pmIAD - BHD
2 stops18h 30mMultiple Airlines
Deal found 6/4$338
Tue 8/278:30 pmIAD - BFS
3 stops20h 40mMultiple Airlines
Deal found 6/4$348
Wed 8/2111:15 pmIAD - BFS
3 stops33h 25mMultiple Airlines
Deal found 6/4$365
Wed 8/2111:15 pmIAD - BHD
3 stops38h 50mMultiple Airlines
Deal found 6/4$376
Wed 8/2111:15 pmIAD - BHD
3 stops29h 00mMultiple Airlines
Deal found 6/4$378
Wed 8/218:30 pmIAD - BHD
2 stops19h 15mMultiple Airlines
Deal found 6/4$382
Wed 8/2111:15 pmIAD - BFS
2 stops41h 45mMultiple Airlines
Deal found 6/4$390
Wed 8/2110:45 pmIAD - BHD
1 stop15h 00mMultiple Airlines
Deal found 6/4$416

Find flights from Dulles Intl to Belfast within your budget

Customize your flight search to find flights from Dulles Intl to Belfast that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 3,050,429 searches. Data last updated June 5, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$564 - $780

Route

Depart

Return

Price

Washington, D.C. Dulles IntlBelfast City

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Tue 9/17

1 stop11h 35m

Belfast City

Fri 9/27

1 stop15h 20m

$564

Washington, D.C. Dulles IntlBelfast City

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Sat 10/12

1 stop11h 20m

Belfast City

Sun 10/20

1 stop12h 25m

$574

Washington, D.C. Dulles IntlBelfast City

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Sun 10/13

1 stop10h 45m

Belfast City

Sat 10/19

1 stop30h 40m

$587

Washington, D.C. Dulles IntlBelfast City

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Sun 10/13

1 stop13h 45m

Belfast City

Sat 10/19

1 stop29h 45m

$588

Washington, D.C. Dulles IntlBelfast City

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Tue 8/27

1 stop11h 35m

Belfast City

Wed 9/11

1 stop11h 50m

$592

Washington, D.C. Dulles IntlBelfast City

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Sat 10/12

2 stops23h 20m

Belfast City

Sun 10/20

1 stop27h 15m

$636

Washington, D.C. Dulles IntlBelfast City

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Sat 10/12

2 stops20h 50m

Belfast City

Sun 10/20

2 stops30h 23m

$646

Washington, D.C. Dulles IntlBelfast City

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Tue 8/27

1 stop18h 00m

Belfast City

Tue 9/3

2 stops27h 39m

$684

Washington, D.C. Dulles IntlBelfast City

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Sun 10/13

2 stops14h 28m

Belfast City

Sat 10/19

2 stops24h 28m

$780

Flights are sorted by cheapest first

Deals found on 6/4

What is the cheapest day to fly from Washington, D.C. Dulles Intl Airport to Belfast?

Use this chart to determine the cheapest time to fly round-trip from Dulles Intl to Belfast. Price data was last updated on June 2, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Washington, D.C. Dulles Intl Airport to Belfast flight should consider departing on Friday afternoons when fares are most often at their lowest. Monday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Best time to book a flight from Dulles Intl to Belfast

Have a flexible travel schedule? Discover the best time to fly to Belfast from Dulles Intl with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Temperature and rainfall in Belfast by month

Plan your trip to Belfast by taking into account the average temperature and rainfall totals by month.

BFS

Temperature

41 - 60.8 °F

If weather is an important factor for your trip to Belfast, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 60.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Belfast

Get insights into the airlines that provide service to Belfast. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Belfast. Reviews last updated June 5, 2024.
Peruse reviews from past customers who have flown with British Airways, American Airlines and Delta from Washington, D.C. to Belfast to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
10,368 reviews

Comfort

7.9

Food

7.4

Boarding

8.2

Overall

8.0

Crew

8.6

Entertainment

8.0

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Delta
8.0
Very good
10,368 reviews
Delta
8.0
Very good
10,368 reviews

Comfort

7.9

Food

7.4

Boarding

8.2

Overall

8.0

Crew

8.6

Entertainment

8.0

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

KLM
7.9
Good
1,493 reviews
Delta
8.0
Very good
10,368 reviews

Comfort

7.9

Food

7.4

Boarding

8.2

Overall

8.0

Crew

8.6

Entertainment

8.0

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

American Airlines
7.3
Good
14,229 reviews
Delta
8.0
Very good
10,368 reviews

Comfort

7.9

Food

7.4

Boarding

8.2

Overall

8.0

Crew

8.6

Entertainment

8.0

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Lufthansa
7.0
Good
7,529 reviews
Delta
8.0
Very good
10,368 reviews

Comfort

7.9

Food

7.4

Boarding

8.2

Overall

8.0

Crew

8.6

Entertainment

8.0

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

British Airways
6.8
Okay
6,748 reviews
Delta
8.0
Very good
10,368 reviews

Comfort

7.9

Food

7.4

Boarding

8.2

Overall

8.0

Crew

8.6

Entertainment

8.0

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Belfast. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • Can I find flights from Washington, D.C. Dulles Intl Airport to Belfast for under $600 on Cheapflights?

    Yes, there are multiple flights from Washington, D.C. Dulles Intl Airport to Belfast for under $600. The cheapest flight booked recently is on British Airways for just $564, but on average you can expect to pay $648.

  • Are there last-minute flights available from Washington, D.C. Dulles Intl Airport to Belfast for under $800?

    There are currently 18+ open flights from Washington, D.C. Dulles Intl Airport to Belfast within the next 7 days for less than $800.

  • What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to Belfast round-trip?

    Flying on British Airways is currently your cheapest option to Belfast, with prices starting at $564. Additional round-trip tickets that might be worth considering are offered by American Airlines and Delta, with the lowest prices starting at $574 and $636, respectively. British Airways is priced at 34% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Washington, D.C. Dulles Intl Airport to Belfast one-way?

    The cheapest airlines for a one-way flight from Washington, D.C. Dulles Intl Airport to Belfast are Delta ($429), British Airways ($447), and American Airlines ($566).

  • What does IAD to BFS mean?

    This is defined as Washington, D.C. Dulles Intl Airport (IAD) and Belfast Intl Airport (BFS). Codes like Belfast Intl Airport are often used to just call airports uniquely. While you’re still figuring out your travel plans, it’s not a bad idea to learn the names and codes of other airports around these areas: Belfast City Airport (BHD), Glasgow Prestwick Airport (PIK), Londonderry Eglinton Airport (LDY), Isle of Islay Glenegedale Airport (ILY), Campbeltown Machrihanish Airport (CAL).

  • Can I find deals for flights from Dulles Intl to Belfast that include extra baggage allowance?

    The amount of baggage you can bring on your Dulles Intl to Belfast flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Dulles Intl to Belfast with specific airlines?

    Yes, Cheapflights allows you to browse and filter Dulles Intl to Belfast flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from Dulles Intl to Belfast that include hotel bookings?

    Yes. In addition to deals on Dulles Intl to Belfast flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Dulles Intl to Belfast?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Belfast.

  • Can I find deals for business class flights from Dulles Intl to Belfast?

    Yes. Cheapflights offers flight deals from Dulles Intl to Belfast by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from Dulles Intl to Belfast that allow pets onboard?

    Many airlines flying from Dulles Intl to Belfast offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Dulles Intl to Belfast?

    Yes, you can often find last-minute deals on Dulles Intl to Belfast flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Washington, D.C. Dulles Intl Airport to Belfast flight deals updated?

    The Washington, D.C. Dulles Intl Airport to Belfast flight deals you see on this page were last updated on 6/5.

  • What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Belfast?

    Currently, February is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Belfast (average of $641). Flying from Washington, D.C. Dulles Intl Airport to Belfast in June is currently the most expensive (average of $1,214). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Alternative routes for Dulles Intl to Belfast
See prices for flight routes from nearby airports that may be better suited for you.

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Top 2 airlines flying from Dulles Intl to Belfast

Discover the top 2 airlines that operate flights from Dulles Intl to Belfast. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 3,050,429 searches. Data last updated June 5, 2024.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$598Average$746FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$618Average$851FlexibilityNo cancel feeOn-time70%
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Washington, D.C. Dulles Intl Airport to Scottsbluff flights

Search flights from Dulles Intl to Belfast by cabin class

Find flights from Dulles Intl to Belfast, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Dulles Intl to Belfast?

Cheapflights makes it easy to find Dulles Intl to Belfast flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Dulles Intl to Belfast?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Dulles Intl to Belfast.

Can Cheapflights find flights from Dulles Intl to Belfast with no change fees?

Yes! Cheapflights helps users easily find flights from Dulles Intl to Belfast with no change fees.

Can Cheapflights notify me if prices for flights from Dulles Intl to Belfast become cheaper?

Yes, Cheapflights offers price alerts on Dulles Intl to Belfast flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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