Cheap flights from Dulles Intl (IAD) to Illinois from $83

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 7/17. 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 — ORD
jun. 10 — jun. 171

How far in advance should I book a flight from Washington, D.C. Dulles Intl Airport to Illinois?

Find a great deal and save up to 106% by booking at least 51 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Washington, D.C. Dulles Intl Airport to Illinois within the next two weeks, with the cheapest ticket starting at $419.

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

The best pricing can be found in the month of April. Prices to Illinois from Washington, D.C. Dulles Intl Airport average $284. You can even find prices in April for less than $284, as users have found deals to Illinois from as low as $79. The month of June appears to be one of the more expensive times to travel to Illinois from Washington, D.C. Dulles Intl Airport. Flying in the targeted month can save you up to 9%.

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

When flying from Washington, D.C. Dulles Intl Airport to Illinois, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Cheap Dulles Intl to Illinois flights in June & July 2024

Find cheap flight options from Dulles Intl to Illinois 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 5, 2024.
Listed are some of the best fares we've found on flights departing from Washington, D.C. to Illinois in 2024. Check back regularly for other flight deals.
lun. 7/110:10 pmIAD - ORD
Nonstop2h 05mUnited Airlines
sáb. 10/53:35 pmORD - IAD
Nonstop1h 59mUnited Airlines
Deal found 6/3$179
jue. 7/1112:07 pmIAD - ORD
1 stop8h 03mSun Country Air
lun. 7/158:05 pmORD - IAD
1 stop16h 05mSun Country Air
Deal found 6/4$182
sáb. 7/131:05 pmIAD - ORD
1 stop8h 34mSun Country Air
lun. 7/158:05 pmORD - IAD
1 stop16h 05mSun Country Air
Deal found 6/4$184
lun. 7/110:37 amIAD - ORD
1 stop10h 06mSun Country Air
mar. 7/96:55 pmORD - IAD
1 stop14h 35mSun Country Air
Deal found 6/4$185
sáb. 7/131:05 pmIAD - ORD
1 stop8h 34mSun Country Air
lun. 7/158:05 pmORD - IAD
1 stop16h 05mSun Country Air
Deal found 6/5$186
mié. 6/266:30 amIAD - ORD
Nonstop2h 10mUnited Airlines
lun. 7/15:59 pmORD - IAD
Nonstop2h 01mUnited Airlines
Deal found 6/5$187
mié. 7/1710:10 pmIAD - ORD
Nonstop2h 05mUnited Airlines
mié. 7/319:28 pmORD - IAD
Nonstop2h 02mUnited Airlines
Deal found 6/4$189
mié. 6/2611:16 amIAD - ORD
1 stop8h 50mSun Country Air
mar. 7/28:05 pmORD - IAD
1 stop13h 21mSun Country Air
Deal found 6/4$191
mié. 7/38:15 amIAD - ORD
Nonstop2h 10mUnited Airlines
mié. 7/108:53 amORD - IAD
Nonstop1h 59mUnited Airlines
Deal found 6/5$192

Dulles Intl to Illinois 2024 flight deals

Discover exclusive flight deals for travel between Dulles Intl and Illinois 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 5, 2024.
Listed are some of the best fares we've found on flights departing from Washington, D.C. to Illinois in 2024. Check back regularly for other flight deals.
lun. 7/110:10 pmIAD - ORD
Nonstop2h 05mUnited Airlines
sáb. 10/53:35 pmORD - IAD
Nonstop1h 59mUnited Airlines
Deal found 6/3$179
jue. 7/1112:07 pmIAD - ORD
1 stop8h 03mSun Country Air
lun. 7/158:05 pmORD - IAD
1 stop16h 05mSun Country Air
Deal found 6/4$182
sáb. 7/131:05 pmIAD - ORD
1 stop8h 34mSun Country Air
lun. 7/158:05 pmORD - IAD
1 stop16h 05mSun Country Air
Deal found 6/4$184
lun. 7/110:37 amIAD - ORD
1 stop10h 06mSun Country Air
mar. 7/96:55 pmORD - IAD
1 stop14h 35mSun Country Air
Deal found 6/4$185
sáb. 7/131:05 pmIAD - ORD
1 stop8h 34mSun Country Air
lun. 7/158:05 pmORD - IAD
1 stop16h 05mSun Country Air
Deal found 6/5$186
mié. 6/266:30 amIAD - ORD
Nonstop2h 10mUnited Airlines
lun. 7/15:59 pmORD - IAD
Nonstop2h 01mUnited Airlines
Deal found 6/5$187
mié. 7/1710:10 pmIAD - ORD
Nonstop2h 05mUnited Airlines
mié. 7/319:28 pmORD - IAD
Nonstop2h 02mUnited Airlines
Deal found 6/4$189
mié. 6/2611:16 amIAD - ORD
1 stop8h 50mSun Country Air
mar. 7/28:05 pmORD - IAD
1 stop13h 21mSun Country Air
Deal found 6/4$191
mié. 7/38:15 amIAD - ORD
Nonstop2h 10mUnited Airlines
mié. 7/108:53 amORD - IAD
Nonstop1h 59mUnited Airlines
Deal found 6/5$192

Dulles Intl to Illinois flights leaving soon

Find last-minute flight options from Dulles Intl to Illinois 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 junio 5, 2024.
Book one of these great deals on flights from Washington, D.C. to Illinois. To prevent any unwanted surprises, users should verify their flight info before booking.
mié. 6/1211:16 amIAD - ORD
1 stop8h 50mSun Country Air
lun. 6/248:05 pmORD - IAD
1 stop13h 25mSun Country Air
Deal found 6/4$230
mié. 6/1211:16 amIAD - ORD
1 stop8h 50mSun Country Air
lun. 6/178:05 pmORD - IAD
1 stop13h 52mSun Country Air
Deal found 6/4$236
mié. 6/1211:16 amIAD - ORD
1 stop8h 50mSun Country Air
mié. 6/198:05 pmORD - IAD
1 stop14h 21mSun Country Air
Deal found 6/5$244
mié. 6/1211:16 amIAD - ORD
1 stop8h 50mSun Country Air
vie. 6/148:05 pmORD - IAD
1 stop15h 52mSun Country Air
Deal found 6/5$260
mié. 6/1211:16 amIAD - ORD
1 stop8h 50mSun Country Air
lun. 6/178:05 pmORD - IAD
1 stop13h 52mSun Country Air
Deal found 6/4$265
mié. 6/1212:55 pmIAD - ORD
3 stops20h 29mMultiple Airlines
lun. 6/248:05 pmORD - IAD
1 stop13h 25mMultiple Airlines
Deal found 6/4$273
mié. 6/1211:16 amIAD - ORD
1 stop8h 50mSun Country Air
lun. 6/178:05 pmORD - IAD
1 stop13h 52mSun Country Air
Deal found 6/5$281
lun. 6/1010:50 amIAD - ORD
1 stop9h 16mSun Country Air
vie. 6/148:05 pmORD - IAD
1 stop15h 52mSun Country Air
Deal found 6/4$285
mié. 6/1211:16 amIAD - ORD
1 stop8h 50mSun Country Air
dom. 6/237:00 amORD - IAD
1 stop4h 53mSun Country Air
Deal found 6/3$289

One-way flights to Illinois from Dulles Intl

Search for one-way flight options from Dulles Intl to Illinois. 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 5, 2024.
Users in need of a one-way flight from Washington, D.C. to Illinois can choose from these deals. Users in need of a round-trip flight from Washington, D.C. to Illinois instead should update the search form at the top of page.
mié. 7/1711:27 amIAD - ORD
1 stop6h 52mSun Country Air
Deal found 6/4$83
vie. 7/510:10 pmIAD - ORD
Nonstop2h 05mUnited Airlines
Deal found 6/5$85
mié. 7/1711:27 amIAD - ORD
1 stop6h 52mSun Country Air
Deal found 6/4$86
lun. 7/1511:33 amIAD - ORD
1 stop8h 37mSun Country Air
Deal found 6/5$87
mar. 7/912:00 pmIAD - ORD
1 stop6h 59mSun Country Air
Deal found 6/4$88
mié. 7/1711:27 amIAD - ORD
1 stop6h 52mSun Country Air
Deal found 6/4$93
vie. 7/56:10 amIAD - STL
1 stop4h 05mDelta
Deal found 6/5$94
vie. 7/56:10 amIAD - ORD
1 stop4h 11mDelta
Deal found 6/5$94
sáb. 9/218:35 amIAD - STL
Nonstop2h 21mUnited Airlines
Deal found 6/3$95

Find flights from Dulles Intl to Illinois within your budget

Customize your flight search to find flights from Dulles Intl to Illinois 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 5, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$179 - $258

Route

Depart

Return

Price

Washington, D.C. Dulles IntlChicago O'Hare Intl

IAD - ORD

IADORD

Washington, D.C. Dulles Intl

lun. 7/1

Nonstop2h 05m

Chicago O'Hare Intl

sáb. 10/5

Nonstop1h 59m

$179

Washington, D.C. Dulles IntlChicago O'Hare Intl

IAD - ORD

IADORD

Washington, D.C. Dulles Intl

jue. 7/11

1 stop8h 03m

Chicago O'Hare Intl

lun. 7/15

1 stop16h 05m

$182

Washington, D.C. Dulles IntlChicago O'Hare Intl

IAD - ORD

IADORD

Washington, D.C. Dulles Intl

sáb. 7/13

1 stop8h 34m

Chicago O'Hare Intl

lun. 7/15

1 stop16h 05m

$184

Washington, D.C. Dulles IntlChicago O'Hare Intl

IAD - ORD

IADORD

Washington, D.C. Dulles Intl

lun. 7/1

1 stop10h 06m

Chicago O'Hare Intl

mar. 7/9

1 stop14h 35m

$185

Washington, D.C. Dulles IntlChicago O'Hare Intl

IAD - ORD

IADORD

Washington, D.C. Dulles Intl

mié. 6/26

Nonstop2h 10m

Chicago O'Hare Intl

lun. 7/1

Nonstop2h 01m

$187

Washington, D.C. Dulles IntlLambert-St Louis

IAD - STL

IADSTL

Washington, D.C. Dulles Intl

dom. 9/1

1 stop7h 08m

Lambert-St Louis

sáb. 9/7

1 stop5h 01m

$188

Washington, D.C. Dulles IntlLambert-St Louis

IAD - STL

IADSTL

Washington, D.C. Dulles Intl

mié. 9/4

1 stop6h 14m

Lambert-St Louis

mar. 9/10

1 stop3h 53m

$198

Washington, D.C. Dulles IntlChicago O'Hare Intl

IAD - ORD

IADORD

Washington, D.C. Dulles Intl

lun. 7/15

1 stop8h 37m

Chicago O'Hare Intl

mar. 7/23

3 stops24h 04m

$221

Washington, D.C. Dulles IntlChicago O'Hare Intl

IAD - ORD

IADORD

Washington, D.C. Dulles Intl

mar. 6/25

1 stop7h 37m

Chicago O'Hare Intl

mar. 7/2

1 stop6h 28m

$258

Flights are sorted by cheapest first

Deals found on 6/3

No data available for this route at this time. Please check back soon.

Best time to book a flight from Dulles Intl to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois 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.

Reviews of airlines servicing Illinois

Get insights into the airlines that provide service to Illinois. 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 Illinois. Reviews last updated junio 5, 2024.
Peruse reviews from past customers who have flown with United Airlines, Sun Country Air and American Airlines from Washington, D.C. to Illinois 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.
Southwest
8.2
Very good
5,922 reviews

Comfort

8.1

Food

7.3

Boarding

8.3

Overall

8.2

Crew

8.7

Entertainment

7.8

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

Southwest
8.2
Very good
5,922 reviews
Southwest
8.2
Very good
5,922 reviews

Comfort

8.1

Food

7.3

Boarding

8.3

Overall

8.2

Crew

8.7

Entertainment

7.8

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

8.0
Very good
10,368 reviews
Southwest
8.2
Very good
5,922 reviews

Comfort

8.1

Food

7.3

Boarding

8.3

Overall

8.2

Crew

8.7

Entertainment

7.8

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

7.5
Good
994 reviews
Southwest
8.2
Very good
5,922 reviews

Comfort

8.1

Food

7.3

Boarding

8.3

Overall

8.2

Crew

8.7

Entertainment

7.8

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

7.4
Good
385 reviews
Southwest
8.2
Very good
5,922 reviews

Comfort

8.1

Food

7.3

Boarding

8.3

Overall

8.2

Crew

8.7

Entertainment

7.8

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

7.4
Good
10,703 reviews
Southwest
8.2
Very good
5,922 reviews

Comfort

8.1

Food

7.3

Boarding

8.3

Overall

8.2

Crew

8.7

Entertainment

7.8

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Illinois. 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 Illinois for under $200 on Cheapflights?

    Yes, there are multiple flights from Washington, D.C. Dulles Intl Airport to Illinois for under $200. The cheapest flight booked recently is on United Airlines for just $179, but on average you can expect to pay $192.

  • Are there nonstop flights from Washington, D.C. Dulles Intl Airport to Illinois for under $200 on Cheapflights?

    Cheapflights has at least 20 direct flights from Washington, D.C. Dulles Intl Airport to Illinois under $200. A good price for a nonstop flight from Washington, D.C. Dulles Intl Airport to Illinois is less than $210.

  • Are there last-minute flights available from Washington, D.C. Dulles Intl Airport to Illinois for under $300?

    There are currently 20+ open flights from Washington, D.C. Dulles Intl Airport to Illinois within the next 7 days for less than $300.

  • What days are nonstop flights available from Washington, D.C. Dulles Intl Airport to Illinois?

    You can find nonstop flights on the following days: Thursday.

  • How many flights depart from Washington, D.C. Dulles Intl Airport to Illinois on average per day?

    Travelers can expect 9 flights from Washington, D.C. Dulles Intl Airport to Illinois on average per day.
    Early Morning (Midnight to 6am) - 44% of flight departures
    Morning (6am - Noon) - 56% of flight departures

  • How long is the flight from Washington, D.C. Dulles Intl Airport to Illinois?

    For as low as $179, United Airlines can have you in Illinois from Washington, D.C. Dulles Intl Airport in 2h 05m. Washington, D.C. Dulles Intl Airport and Illinois are separated by a distance of 590 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    For one-way options, check prices for Sun Country Air. According to our data, you can fly for as low as $83. Users have also found prices from $85 and $94 on United Airlines and Delta, respectively.

  • What are the most popular routes from Washington, D.C. Dulles Intl Airport to Illinois?

  • What are the most reliable airlines from Washington, D.C. Dulles Intl Airport to Illinois?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Washington, D.C. Dulles Intl Airport to Illinois on time: Egypt Air (96%), Copa Airlines (88%), ANA (88%).

  • What are the cheapest flights from Washington, D.C. Dulles Intl Airport to Illinois?

    Looking for the cheapest flight from Washington, D.C. Dulles Intl Airport to Illinois? While on average our users pay $618, our data indicates the cheapest price to be $104. The most popular route (Washington, D.C. Dulles Intl - Chicago O'Hare Intl), is priced around $172.

  • What does IAD to ORD mean?

    These are just IATA (International Air Transport Association) codes. They are used in aviation to identify and differentiate airports. That’s why a Washington, D.C. Dulles Intl Airport to Chicago O'Hare Intl Airport flight would often be abbreviated as a IAD to ORD flight. Chicago Midway Airport (MDW), Moline Quad-City Airport (MLI), Greater Peoria Airport (PIA), Bloomington-Normal Airport (BMI), Springfield Capital Airport (SPI) are some additional IATA codes for airports related to your trip.

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

    The amount of baggage you can bring on your Dulles Intl to Illinois 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 Illinois with specific airlines?

    Yes, Cheapflights allows you to browse and filter Dulles Intl to Illinois 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 Illinois that include hotel bookings?

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

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

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

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

    Yes. Cheapflights offers flight deals from Dulles Intl to Illinois 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 Illinois that allow pets onboard?

    Many airlines flying from Dulles Intl to Illinois 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 Illinois?

    Yes, you can often find last-minute deals on Dulles Intl to Illinois 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 Illinois flight deals updated?

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

  • What are the most popular airlines that fly from Washington, D.C. Dulles Intl Airport to Illinois?

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

    Currently, February is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Illinois (average of $244). Flying from Washington, D.C. Dulles Intl Airport to Illinois in July is currently the most expensive (average of $324). 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.

See more FAQs

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

Top 3 airlines flying from Dulles Intl to Illinois

Discover the top 3 airlines that operate flights from Dulles Intl to Illinois. 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 5, 2024.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$175Average$460FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$178Average$459FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$222Average$364FlexibilityNo cancel feeOn-time71%

Search flights from Dulles Intl to Illinois by cabin class

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

Hourly flight availability from Dulles Intl to Illinois

Find hourly flight availability from Dulles Intl to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated junio 5, 2024.
27%of flight departuresEarly morningMidnight to 6 am
14%of flight departuresMorning6 am to noon
40%of flight departuresAfternoonNoon to 6 pm
19%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

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 Illinois?

When you search for this flight from Dulles Intl to Illinois, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

Cheapflights simply makes it quick and affordable to book flights from Dulles Intl to Illinois by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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

Yes, we can. To see specific flights from Dulles Intl to Illinois with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

Yes, Cheapflights offers price alerts on Dulles Intl to Illinois 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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