Cheap flights from Washington, D.C. (WAS) to Illinois from $49

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 6/22. 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.
WAS — ORD
Jun 15 — Jun 221

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

Travelers have found it’s best to book a flight 51 days in advance to save up to 106% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 51 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Washington, D.C. to Illinois 1-2 weeks in advance for as low as $419, or $472 for flights within the next 24 hours.

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

Flights from Washington, D.C. to Illinois lean towards being more expensive in June. Prices are generally better when you fly from Washington, D.C. to Illinois in April, with the cheapest ticket starting at $79.

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

When flying from Washington, D.C. 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 Washington, D.C. to Illinois flights in June & July 2024

Find cheap flight options from Washington, D.C. 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 3,080,152 searches. Prices were last updated on June 10, 2024.
These are some of the most attractive deals on flights from Washington, D.C. to Illinois in 2024. For more flight deals, be sure to check back very soon.
Sat 6/296:55 pmBWI - MDW
Nonstop1h 58mFrontier
Wed 7/33:29 pmMDW - BWI
Nonstop1h 48mFrontier
Deal found 6/9$75
Sat 7/136:55 pmBWI - MDW
Nonstop1h 56mFrontier
Fri 7/193:32 pmMDW - BWI
Nonstop1h 48mFrontier
Deal found 6/10$76
Sat 6/226:55 pmBWI - MDW
Nonstop1h 58mFrontier
Wed 6/263:29 pmMDW - BWI
Nonstop1h 48mFrontier
Deal found 6/9$79
Mon 7/87:11 pmBWI - MDW
Nonstop1h 56mFrontier
Fri 7/123:32 pmMDW - BWI
Nonstop1h 48mFrontier
Deal found 6/8$80
Sat 6/226:55 pmBWI - MDW
Nonstop1h 58mFrontier
Wed 6/263:29 pmMDW - BWI
Nonstop1h 48mFrontier
Deal found 6/9$84
Wed 6/267:09 pmBWI - MDW
Nonstop1h 58mFrontier
Wed 7/33:29 pmMDW - BWI
Nonstop1h 48mFrontier
Deal found 6/9$85
Mon 6/247:09 pmBWI - MDW
Nonstop1h 58mFrontier
Wed 6/263:29 pmMDW - BWI
Nonstop1h 48mFrontier
Deal found 6/9$86
Fri 7/57:11 pmBWI - MDW
Nonstop1h 56mFrontier
Wed 7/313:36 pmMDW - BWI
Nonstop1h 48mFrontier
Deal found 6/9$87
Tue 6/257:20 pmBWI - MDW
1 stop13h 11mFrontier
Wed 6/263:29 pmMDW - BWI
Nonstop1h 48mFrontier
Deal found 6/9$88

Washington, D.C. to Illinois 2024 flight deals

Discover exclusive flight deals for travel between Washington, D.C. and Illinois in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,080,152 searches. Data last updated June 10, 2024.
These are some of the most attractive deals on flights from Washington, D.C. to Illinois in 2024. For more flight deals, be sure to check back very soon.
Wed 8/287:09 pmBWI - MDW
Nonstop1h 59mFrontier
Sat 8/313:28 pmMDW - BWI
Nonstop1h 51mFrontier
Deal found 6/10$50
Sat 8/317:09 pmBWI - MDW
Nonstop1h 59mFrontier
Wed 9/43:28 pmMDW - BWI
Nonstop1h 51mFrontier
Deal found 6/10$53
Mon 8/267:09 pmBWI - MDW
Nonstop1h 59mFrontier
Fri 9/63:28 pmMDW - BWI
Nonstop1h 51mFrontier
Deal found 6/9$58
Fri 9/137:09 pmBWI - MDW
Nonstop1h 59mFrontier
Mon 9/163:28 pmMDW - BWI
Nonstop1h 51mFrontier
Deal found 6/10$62
Sat 8/177:09 pmBWI - MDW
Nonstop1h 59mFrontier
Wed 9/43:28 pmMDW - BWI
Nonstop1h 51mFrontier
Deal found 6/10$68
Sat 6/296:55 pmBWI - MDW
Nonstop1h 58mFrontier
Wed 7/33:29 pmMDW - BWI
Nonstop1h 48mFrontier
Deal found 6/9$75
Sat 7/136:55 pmBWI - MDW
Nonstop1h 56mFrontier
Fri 7/193:32 pmMDW - BWI
Nonstop1h 48mFrontier
Deal found 6/10$76
Wed 9/257:09 pmBWI - MDW
Nonstop1h 59mFrontier
Mon 9/303:28 pmMDW - BWI
Nonstop1h 51mFrontier
Deal found 6/9$77
Fri 10/47:09 pmBWI - MDW
Nonstop1h 59mFrontier
Mon 10/73:28 pmMDW - BWI
Nonstop1h 51mFrontier
Deal found 6/10$78

Washington, D.C. to Illinois flights leaving soon

Find last-minute flight options from Washington, D.C. 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 3,080,152 searches. Data last updated June 10, 2024.
Check out these flights departing soon from Washington, D.C. to Illinois. Tip: verify your flight details before completing your reservation.
Wed 6/197:09 pmBWI - MDW
Nonstop1h 58mFrontier
Fri 6/213:29 pmMDW - BWI
Nonstop1h 48mFrontier
Deal found 6/9$108
Wed 6/197:09 pmBWI - MDW
Nonstop1h 58mFrontier
Mon 6/243:29 pmMDW - BWI
Nonstop1h 48mFrontier
Deal found 6/9$111
Thu 6/209:50 pmBWI - MDW
1 stop26h 47mFrontier
Mon 6/243:29 pmMDW - BWI
Nonstop1h 48mFrontier
Deal found 6/9$115
Wed 6/197:09 pmBWI - MDW
Nonstop1h 58mFrontier
Thu 6/206:56 amMDW - BWI
1 stop11h 49mFrontier
Deal found 6/10$118
Wed 6/197:09 pmBWI - MDW
Nonstop1h 58mFrontier
Thu 6/206:56 amMDW - BWI
1 stop11h 49mFrontier
Deal found 6/8$122
Mon 6/1710:44 pmBWI - ORD
1 stop10h 40mSpirit Airlines
Tue 6/189:10 pmORD - BWI
1 stop12h 48mSpirit Airlines
Deal found 6/9$123
Wed 6/197:09 pmBWI - MDW
Nonstop1h 58mFrontier
Tue 6/257:36 pmMDW - BWI
1 stop13h 06mFrontier
Deal found 6/9$124
Wed 6/197:09 pmBWI - MDW
Nonstop1h 58mFrontier
Mon 6/243:29 pmMDW - BWI
Nonstop1h 48mFrontier
Deal found 6/9$125
Wed 6/197:09 pmBWI - MDW
Nonstop1h 58mFrontier
Fri 6/283:29 pmMDW - BWI
Nonstop1h 48mFrontier
Deal found 6/9$127

One-way flights to Illinois from Washington, D.C.

Search for one-way flight options from Washington, D.C. 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 3,080,152 searches. Data last updated June 10, 2024.
Take a look at some of the best available options we've come across on one-way flights from Washington, D.C. to Illinois. Users needing a return flight from Washington, D.C. to Illinois should utilize the search form above.
Sat 6/226:55 pmBWI - MDW
Nonstop1h 58mFrontier
Deal found 6/8$49
Wed 8/289:03 amBWI - ORD
1 stop12h 37mSpirit Airlines
Deal found 6/9$49
Fri 8/307:09 pmBWI - MDW
Nonstop1h 59mFrontier
Deal found 6/9$50
Mon 6/247:09 pmBWI - MDW
Nonstop1h 58mFrontier
Deal found 6/9$51
Mon 8/127:11 pmBWI - MDW
Nonstop1h 56mFrontier
Deal found 6/8$52
Sat 7/66:55 pmBWI - MDW
Nonstop1h 56mFrontier
Deal found 6/9$55
Mon 6/247:09 pmBWI - MDW
Nonstop1h 58mFrontier
Deal found 6/10$57
Wed 6/197:09 pmBWI - MDW
Nonstop1h 58mFrontier
Deal found 6/9$59
Wed 8/2811:21 amBWI - ORD
Nonstop2h 14mAmerican Airlines
Deal found 6/9$59

Find flights from Washington, D.C. to Illinois within your budget

Customize your flight search to find flights from Washington, D.C. 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 3,080,152 searches. Data last updated June 10, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$100 - $184

Route

Depart

Return

Price

Baltimore/WashingtonChicago O'Hare Intl

BWI - ORD

BWIORD

Baltimore/Washington

Sat 9/7

1 stop12h 08m

Chicago O'Hare Intl

Tue 9/10

1 stop6h 05m

$100

Baltimore/WashingtonChicago O'Hare Intl

BWI - ORD

BWIORD

Baltimore/Washington

Wed 8/28

1 stop7h 54m

Chicago O'Hare Intl

Wed 9/4

1 stop5h 41m

$105

Baltimore/WashingtonChicago Midway

BWI - MDW

BWIMDW

Baltimore/Washington

Tue 6/25

1 stop13h 11m

Chicago Midway

Fri 6/28

Nonstop1h 48m

$105

Baltimore/WashingtonChicago O'Hare Intl

BWI - ORD

BWIORD

Baltimore/Washington

Fri 9/6

1 stop10h 23m

Chicago O'Hare Intl

Tue 9/10

1 stop8h 58m

$112

Baltimore/WashingtonChicago O'Hare Intl

BWI - ORD

BWIORD

Baltimore/Washington

Sat 10/5

Nonstop2h 15m

Chicago O'Hare Intl

Mon 10/7

Nonstop2h 00m

$118

Baltimore/WashingtonChicago O'Hare Intl

BWI - ORD

BWIORD

Baltimore/Washington

Mon 7/1

Nonstop2h 11m

Chicago O'Hare Intl

Fri 7/5

Nonstop1h 54m

$135

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

IAD - ORD

IADORD

Washington, D.C. Dulles Intl

Sat 7/13

1 stop8h 34m

Chicago O'Hare Intl

Mon 7/15

1 stop16h 05m

$175

Baltimore/WashingtonChicago Midway

BWI - MDW

BWIMDW

Baltimore/Washington

Thu 7/11

1 stop3h 38m

Chicago Midway

Sat 7/13

1 stop6h 20m

$176

Washington, D.C. Reagan-NationalChicago O'Hare Intl

DCA - ORD

DCAORD

Washington, D.C. Reagan-National

Tue 7/9

1 stop9h 17m

Chicago O'Hare Intl

Wed 7/17

1 stop5h 05m

$184

Flights are sorted by cheapest first

Deals found on 6/9

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

Best time to book a flight from Washington, D.C. to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois from Washington, D.C. 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 June 10, 2024.
Peruse reviews from past customers who have flown with American Airlines, Spirit Airlines and Frontier from Washington, D.C. to Illinois to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.2
Very good
5,897 reviews

Food

7.3

Entertainment

7.8

Crew

8.7

Boarding

8.3

Overall

8.2

Comfort

8.1

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
5,897 reviews
Southwest
8.2
Very good
5,897 reviews

Food

7.3

Entertainment

7.8

Crew

8.7

Boarding

8.3

Overall

8.2

Comfort

8.1

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
10,295 reviews
Southwest
8.2
Very good
5,897 reviews

Food

7.3

Entertainment

7.8

Crew

8.7

Boarding

8.3

Overall

8.2

Comfort

8.1

Reviews

1 / 10

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

7.6
Good
4,279 reviews
Southwest
8.2
Very good
5,897 reviews

Food

7.3

Entertainment

7.8

Crew

8.7

Boarding

8.3

Overall

8.2

Comfort

8.1

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
382 reviews
Southwest
8.2
Very good
5,897 reviews

Food

7.3

Entertainment

7.8

Crew

8.7

Boarding

8.3

Overall

8.2

Comfort

8.1

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
10,647 reviews
Southwest
8.2
Very good
5,897 reviews

Food

7.3

Entertainment

7.8

Crew

8.7

Boarding

8.3

Overall

8.2

Comfort

8.1

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 Washington, D.C. 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. to Illinois for under $100 on Cheapflights?

    Yes, there are multiple flights from Washington, D.C. to Illinois for under $100. The cheapest flight booked recently is on Frontier for just $100, but on average you can expect to pay $111.

  • Are there nonstop flights from Washington, D.C. to Illinois for under $100 on Cheapflights?

    Cheapflights has at least 20 direct flights from Washington, D.C. to Illinois under $100. A good price for a nonstop flight from Washington, D.C. to Illinois is less than $80.

  • Are there last-minute flights available from Washington, D.C. to Illinois for under $200?

    There are currently 20+ open flights from Washington, D.C. to Illinois within the next 7 days for less than $200.

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

    Nonstop flights can be found on the following days: Tuesday, Wednesday.

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

    On average, you can expect to see 6 flights from Washington, D.C. to Illinois a day.
    Morning (6am - Noon) - 83% of flight departures
    Afternoon (Noon - 6pm) - 17% of flight departures

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

    A quick flight from Washington, D.C. to Illinois can take about 2h 15m. Frontier provides one of the quickest options available for as low as $100. The distance from Washington, D.C. to Illinois is about 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. to Illinois one-way?

    $49 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Spirit Airlines and American Airlines, with prices starting from $49 and $59, respectively.

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

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

    The top 3 most reliable airlines when flying from Washington, D.C. to Illinois are Egypt Air (96%), Copa Airlines (88%) and ANA (88%).

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

    On average you can expect to pay $977 for a flight from Washington, D.C. to Illinois. The cheapest flight overall is $126 while the most popular route, (Washington, D.C. Reagan-National - Chicago O'Hare Intl) is currently priced at $184.

  • What does IAD to ORD mean?

    Great question - IAD to ORD just means Washington, D.C. Dulles Intl Airport to Chicago O'Hare Intl Airport. Now you’ll know what these unique codes when you look for flights! 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 Washington, D.C. to Illinois that include extra baggage allowance?

    The amount of baggage you can bring on your Washington, D.C. 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 Washington, D.C. to Illinois with specific airlines?

    Yes, Cheapflights allows you to browse and filter Washington, D.C. 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 Washington, D.C. to Illinois that include hotel bookings?

    Yes. In addition to deals on Washington, D.C. to Illinois flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Washington, D.C. to Illinois?

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

  • Can I find deals for business class flights from Washington, D.C. to Illinois?

    Yes. Cheapflights offers flight deals from Washington, D.C. 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 Washington, D.C. to Illinois that allow pets onboard?

    Many airlines flying from Washington, D.C. 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 Washington, D.C. to Illinois?

    Yes, you can often find last-minute deals on Washington, D.C. 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. to Illinois flight deals updated?

    The Washington, D.C. to Illinois flight deals you see on this page were last updated on 6/10.

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

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

    Currently, February is the cheapest month in which you can book a flight from Washington, D.C. to Illinois (average of $244). Flying from Washington, D.C. 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 Washington, D.C. to Illinois
See prices for flight routes from nearby airports that may be better suited for you.

Top 5 airlines flying from Washington, D.C. to Illinois

Discover the top 5 airlines that operate flights from Washington, D.C. 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 3,080,152 searches. Data last updated June 10, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$58Average$150FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$68Average$128FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$124Average$419FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$156Average$432FlexibilityNo cancel feeOn-time69%
DeltaCheapest$175Average$397FlexibilityNo cancel feeOn-timeN/A

Search flights from Washington, D.C. to Illinois by cabin class

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

Hourly flight availability from Washington, D.C. to Illinois

Find hourly flight availability from Washington, D.C. 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 June 10, 2024.
14%of flight departuresEarly morningMidnight to 6 am
30%of flight departuresMorning6 am to noon
41%of flight departuresAfternoonNoon to 6 pm
15%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM
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