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Cheap flights from Seattle (SEA) to Belfast City (BHD) from $453

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 7/26. 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.
SEA — BHD
jun. 11 — jun. 181
From?
To?
mar. 6/11
mar. 6/18
1 adult, Economy
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Cheap flight deals from Seattle to Belfast City

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Belfast City (BHD). 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 junio 6, 2024.

Round-trip from

$640

One-way from

$540
From Seattle/Tacoma Intl to Belfast City
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One-way flight from Seattle/Tacoma Intl to Belfast City
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What is the cheapest day to fly round-trip from Seattle to Belfast City Airport?

Travelers have found that booking a Thursday departure is the best way to save up to 28% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.

What is the cheapest month to fly from Seattle to Belfast City Airport?

April can be a great time to fly to Belfast City Airport from Seattle with a flight ticket averaging about $1,036. Cheapflights users have found deals in the month of April for as cheap as $719. The most expensive prices can be found in the month of June.

What is the cheapest time of day to fly from SEA to BHD?

It’s typically best to fly out from Seattle to Belfast City Airport at noon. Doing so could potentially save you 15% on the flight price compared to flying in the morning, which is usually more expensive.

Cheap Seattle to Belfast City flights in June & July 2024

Find cheap flight options from Seattle to Belfast City 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 junio 6, 2024.
Check out some of the best flight deals from Seattle to Belfast in 2024. Check back in a little while for more flight options.
mar. 7/21:30 pmSEA - BHD
1 stop13h 05mAmerican Airlines
mar. 7/94:20 pmBHD - SEA
2 stops37h 38mAmerican Airlines
Deal found 6/5$1,114
mar. 7/21:25 pmSEA - BHD
2 stops21h 30mAmerican Airlines
mar. 7/94:20 pmBHD - SEA
2 stops37h 38mAmerican Airlines
Deal found 6/5$1,118
lun. 6/101:25 pmSEA - BHD
2 stops20h 00mAmerican Airlines
mié. 6/126:50 amBHD - SEA
1 stop18h 55mAmerican Airlines
Deal found 6/6$1,203
lun. 6/1012:25 pmSEA - BHD
2 stops21h 00mAmerican Airlines
mié. 6/126:50 amBHD - SEA
2 stops23h 07mAmerican Airlines
Deal found 6/6$1,232
lun. 6/107:40 pmSEA - BHD
1 stop11h 55mBritish Airways
mié. 6/129:50 amBHD - SEA
1 stop15h 55mBritish Airways
Deal found 6/6$1,304
lun. 6/105:55 amSEA - BHD
3 stops31h 15mMultiple Airlines
mié. 6/127:05 amBHD - SEA
2 stops21h 30mMultiple Airlines
Deal found 6/6$1,345
mar. 7/21:30 pmSEA - BHD
1 stop13h 05mBritish Airways
mar. 7/96:35 amBHD - SEA
1 stop13h 00mBritish Airways
Deal found 6/5$1,420
lun. 6/105:55 amSEA - BHD
3 stops31h 15mMultiple Airlines
mié. 6/124:55 pmBHD - SEA
3 stops28h 15mMultiple Airlines
Deal found 6/6$1,452

Seattle to Belfast City 2024 flight deals

Discover exclusive flight deals for travel between Seattle and Belfast City in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,050,429 searches. Data last updated junio 6, 2024.
Check out some of the best flight deals from Seattle to Belfast in 2024. Check back in a little while for more flight options.
mar. 10/157:40 pmSEA - BHD
1 stop13h 45mBritish Airways
jue. 10/246:35 amBHD - SEA
1 stop19h 10mBritish Airways
Deal found 6/6$545
mar. 10/157:40 pmSEA - BHD
1 stop15h 15mBritish Airways
jue. 10/2412:45 pmBHD - SEA
2 stops18h 00mBritish Airways
Deal found 6/6$555
mar. 10/152:45 pmSEA - BHD
2 stops18h 40mAmerican Airlines
jue. 10/2412:45 pmBHD - SEA
2 stops18h 00mAmerican Airlines
Deal found 6/6$590
mar. 10/297:45 pmSEA - BHD
1 stop15h 50mAmerican Airlines
dom. 11/35:35 amBHD - SEA
1 stop18h 10mAmerican Airlines
Deal found 6/6$595
mar. 10/291:39 pmSEA - BHD
2 stops20h 01mAmerican Airlines
dom. 11/35:35 amBHD - SEA
1 stop18h 10mAmerican Airlines
Deal found 6/6$599
mar. 10/295:27 pmSEA - BHD
2 stops20h 08mAmerican Airlines
dom. 11/39:40 amBHD - SEA
2 stops21h 12mAmerican Airlines
Deal found 6/6$610
sáb. 9/711:59 pmSEA - BHD
2 stops25h 06mBritish Airways
sáb. 9/216:55 pmBHD - SEA
1 stop24h 35mBritish Airways
Deal found 6/6$678
mié. 8/147:20 amSEA - BHD
2 stops22h 05mBritish Airways
mar. 8/207:30 pmBHD - SEA
2 stops34h 10mBritish Airways
Deal found 6/5$689
mié. 8/147:20 amSEA - BHD
2 stops22h 05mBritish Airways
mar. 8/207:30 pmBHD - SEA
2 stops34h 10mBritish Airways
Deal found 6/6$690

One-way flights to Belfast City from Seattle

Search for one-way flight options from Seattle to Belfast City. 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 junio 6, 2024.
Users in need of a one-way flight from Seattle to Belfast can choose from these deals. Users needing a return flight from Seattle to Belfast should utilize the search form above.
vie. 7/2611:00 pmSEA - BHD
2 stops34h 20mMultiple Airlines
Deal found 6/5$453
jue. 6/137:00 amSEA - BHD
3 stops49h 30mMultiple Airlines
Deal found 6/6$493
vie. 7/266:10 pmSEA - BHD
1 stop14h 40mKLM
Deal found 6/4$540
vie. 7/266:10 pmSEA - BHD
1 stop14h 40mDelta
Deal found 6/5$550
vie. 7/266:45 pmSEA - BHD
2 stops17h 10mAer Lingus
Deal found 6/4$572
jue. 6/137:00 amSEA - BHD
2 stops29h 45mMultiple Airlines
Deal found 6/6$721
jue. 6/136:05 pmSEA - BHD
1 stop14h 45mDelta
Deal found 6/5$747
jue. 6/135:05 pmSEA - BHD
1 stop13h 45mMultiple Airlines
Deal found 6/6$898
mié. 6/1212:20 amSEA - BHD
2 stops29h 10mAmerican Airlines
Deal found 6/5$1,507

Find flights from Seattle to Belfast City within your budget

Customize your flight search to find flights from Seattle to Belfast City 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 junio 6, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$545 - $986

Route

Depart

Return

Price

Seattle/Tacoma IntlBelfast City

SEA - BHD

SEABHD

Seattle/Tacoma Intl

mar. 10/15

1 stop13h 45m

Belfast City

jue. 10/24

1 stop19h 10m

$545

Seattle/Tacoma IntlBelfast City

SEA - BHD

SEABHD

Seattle/Tacoma Intl

mar. 10/15

1 stop15h 15m

Belfast City

jue. 10/24

2 stops18h 00m

$555

Seattle/Tacoma IntlBelfast City

SEA - BHD

SEABHD

Seattle/Tacoma Intl

mar. 10/15

2 stops18h 40m

Belfast City

jue. 10/24

2 stops18h 00m

$590

Seattle/Tacoma IntlBelfast City

SEA - BHD

SEABHD

Seattle/Tacoma Intl

mar. 10/29

1 stop15h 50m

Belfast City

dom. 11/3

1 stop18h 10m

$595

Seattle/Tacoma IntlBelfast City

SEA - BHD

SEABHD

Seattle/Tacoma Intl

mar. 10/29

2 stops20h 01m

Belfast City

dom. 11/3

1 stop18h 10m

$599

Seattle/Tacoma IntlBelfast City

SEA - BHD

SEABHD

Seattle/Tacoma Intl

mar. 10/29

2 stops20h 08m

Belfast City

dom. 11/3

2 stops21h 12m

$610

Seattle/Tacoma IntlBelfast City

SEA - BHD

SEABHD

Seattle/Tacoma Intl

sáb. 9/7

2 stops25h 06m

Belfast City

sáb. 9/21

1 stop24h 35m

$678

Seattle/Tacoma IntlBelfast City

SEA - BHD

SEABHD

Seattle/Tacoma Intl

mié. 8/14

2 stops20h 55m

Belfast City

mar. 8/20

1 stop24h 55m

$814

Seattle/Tacoma IntlBelfast City

SEA - BHD

SEABHD

Seattle/Tacoma Intl

mié. 8/14

1 stop14h 40m

Belfast City

mar. 8/20

1 stop24h 55m

$986

Flights are sorted by cheapest first

Deals found on 6/6

What is the cheapest day to fly from Seattle to Belfast City Airport?

Use this chart to determine the cheapest time to fly round-trip from Seattle to Belfast City. Price data was last updated on June 2, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Seattle to Belfast City Airport flight should consider departing on Friday at noon when fares are most often at their lowest. Tuesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
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Best time to book a flight from Seattle to Belfast City

Have a flexible travel schedule? Discover the best time to fly to Belfast City from Seattle 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 City by month

Plan your trip to Belfast City 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 City Airport, 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 City

Get insights into the airlines that provide service to Belfast City. 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 City. Reviews last updated junio 6, 2024.
Get a feel of what it's like to fly with American Airlines, British Airways and Delta from Seattle to Belfast by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
10,368 reviews

Boarding

8.2

Food

7.4

Comfort

7.9

Overall

8.0

Entertainment

8.0

Crew

8.6

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

Boarding

8.2

Food

7.4

Comfort

7.9

Overall

8.0

Entertainment

8.0

Crew

8.6

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
1,489 reviews
Delta
8.0
Very good
10,368 reviews

Boarding

8.2

Food

7.4

Comfort

7.9

Overall

8.0

Entertainment

8.0

Crew

8.6

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
14,227 reviews
Delta
8.0
Very good
10,368 reviews

Boarding

8.2

Food

7.4

Comfort

7.9

Overall

8.0

Entertainment

8.0

Crew

8.6

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.

Aer Lingus
7.2
Good
1,287 reviews
Delta
8.0
Very good
10,368 reviews

Boarding

8.2

Food

7.4

Comfort

7.9

Overall

8.0

Entertainment

8.0

Crew

8.6

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
7,524 reviews
Delta
8.0
Very good
10,368 reviews

Boarding

8.2

Food

7.4

Comfort

7.9

Overall

8.0

Entertainment

8.0

Crew

8.6

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 Seattle to Belfast City. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Seattle to Belfast City?

    If you book a flight to Belfast City from Seattle, you will be flying from Seattle/Tacoma Intl, which is the city’s only airport. Seattle/Tacoma Intl (SEA) is located 11.4 mi from the center of Seattle. There are 0 flights from Seattle/Tacoma Intl to Belfast City per day from 2 different airlines.

  • Can I find flights from Seattle to Belfast City Airport for under $600 on Cheapflights?

    Yes, there are multiple flights from Seattle to Belfast City Airport for under $600. The cheapest flight booked recently is on British Airways for just $545, but on average you can expect to pay $735.

  • What are the cheapest airlines flying from Seattle to Belfast City Airport round-trip?

    British Airways, at $545, was found to be the cheapest airline from Seattle to Belfast City Airport.Alternate airlines to your destination round-trip include American Airlines and Delta.

  • What are the cheapest airlines to fly from Seattle to Belfast City Airport one-way?

    $540 is the cheapest one-way deal found within the past few days, from KLM. You may also be able to find cheap deals on Delta and Aer Lingus, with prices starting from $550 and $572, respectively.

  • What does SEA to BHD mean?

    These are just IATA (International Air Transport Association) codes. They are used in aviation to identify and differentiate airports. That’s why a Seattle/Tacoma Intl Airport to Belfast City Airport flight would often be abbreviated as a SEA to BHD flight.

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

    The amount of baggage you can bring on your Seattle to Belfast City 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 Seattle to Belfast City with specific airlines?

    Yes, Cheapflights allows you to browse and filter Seattle to Belfast City 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 Seattle to Belfast City that include hotel bookings?

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

  • How can I find direct flights from Seattle to Belfast City?

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

  • Can I find deals for business class flights from Seattle to Belfast City?

    Yes. Cheapflights offers flight deals from Seattle to Belfast City 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 Seattle to Belfast City that allow pets onboard?

    Many airlines flying from Seattle to Belfast City 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 Seattle to Belfast City?

    Yes, you can often find last-minute deals on Seattle to Belfast City 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 Seattle to Belfast City Airport flight deals updated?

    The Seattle to Belfast City Airport flight deals you see on this page were last updated on 6/6.

See more FAQs

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

Portland to Belfast City flights

Top 2 airlines flying from Seattle to Belfast City

Discover the top 2 airlines that operate flights from Seattle to Belfast City. 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 junio 6, 2024.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$641Average$794FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$753Average$897FlexibilityNo cancel feeOn-time70%
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Search flights from Seattle to Belfast City by cabin class

Find flights from Seattle to Belfast City, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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