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$37 Find cheap flights from Illinois to Washington, D.C.

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Washington, D.C. departing on 8/9. 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.
1 adult
0 bags
Sat 7/13
Sat 7/20

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In the last 7 days travelers have searched 44,148,666 times on KAYAK, and here is why:

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Good to know

Low season

January

High season

November

Cheapest flight

$37
Best time to beat the crowds with an average 32% drop in price.
Most popular time to fly with an average 19% increase in price.
Flight from Chicago Midway Airport to Baltimore

FAQs for booking flights from Illinois to Washington, D.C.

  • How does KAYAK find such low prices on flights from Illinois to Washington, D.C.?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to Washington, D.C..

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Washington, D.C.?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Washington, D.C. from Illinois is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Illinois to Washington, D.C.?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Washington, D.C. with an airline and back to Illinois with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Washington, D.C.?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Washington, D.C. from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Prefer to fly non-stop from Illinois to Washington, D.C.?

Find which airlines fly direct from Illinois to Washington, D.C., which days they fly and book direct flights.

Nonstop departures

Illinois to Washington, D.C.

Monday

ANA, ASKY, Aer Lingus, +74 more

ANA, ASKY, +75 more

Tuesday

ANA, ASKY, Aer Lingus, +72 more

ANA, ASKY, +73 more

Wednesday

ANA, ASKY, Aer Lingus, +72 more

ANA, ASKY, +73 more

Thursday

ANA, ASKY, Aer Lingus, +73 more

ANA, ASKY, +74 more

Friday

ANA, ASKY, Aer Lingus, +74 more

ANA, ASKY, +75 more

Saturday

ANA, ASKY, Aer Lingus, +72 more

ANA, ASKY, +73 more

Sunday

ANA, ASKY, Aer Lingus, +73 more

ANA, ASKY, +74 more

See more direct flights

Nonstop returns

Washington, D.C. to Illinois

Monday

ANA, ASKY, Aer Lingus, +74 more

ANA, ASKY, +75 more

Tuesday

ANA, ASKY, Aer Lingus, +72 more

ANA, ASKY, +73 more

Wednesday

ANA, ASKY, Aer Lingus, +72 more

ANA, ASKY, +73 more

Thursday

ANA, ASKY, Aer Lingus, +73 more

ANA, ASKY, +74 more

Friday

ANA, ASKY, Aer Lingus, +74 more

ANA, ASKY, +75 more

Saturday

ANA, ASKY, Aer Lingus, +72 more

ANA, ASKY, +73 more

Sunday

ANA, ASKY, Aer Lingus, +73 more

ANA, ASKY, +74 more

See more direct flights
See more direct flights

Book cheap flights from Illinois to Washington, D.C.

Recent round-trip flight deals

8/24Sat
nonstopFrontier
1h 51mMDW-BWI
8/28Wed
nonstopFrontier
1h 59mBWI-MDW
$50
9/21Sat
nonstopFrontier
1h 51mMDW-BWI
9/23Mon
nonstopFrontier
1h 59mBWI-MDW
$53
9/11Wed
1 stopSpirit Airlines
9h 08mSTL-BWI
9/17Tue
1 stopSpirit Airlines
13h 12mBWI-STL
$107
9/10Tue
1 stopSpirit Airlines
10h 34mORD-BWI
9/12Thu
1 stopSpirit Airlines
10h 23mBWI-ORD
$115
8/15Thu
nonstopUnited Airlines
2h 00mORD-DCA
8/23Fri
nonstopUnited Airlines
2h 10mDCA-ORD
$115
8/20Tue
nonstopUnited Airlines
2h 00mORD-IAD
8/24Sat
nonstopUnited Airlines
2h 11mIAD-ORD
$115
8/22Thu
nonstopAmerican Airlines
1h 52mORD-DCA
8/26Mon
nonstopAmerican Airlines
2h 09mDCA-ORD
$116
8/9Fri
nonstopAmerican Airlines
1h 55mORD-BWI
8/13Tue
nonstopAmerican Airlines
2h 16mBWI-ORD
$117
9/3Tue
1 stop
13h 56mORD-BWI
9/8Sun
1 stop
17h 42mBWI-ORD
$133
8/6Tue
1 stop
10h 10mORD-BWI
8/13Tue
1 stop
9h 38mBWI-ORD
$136

Search by stops

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Recent one-way flight deals

8/9Fri
nonstopFrontier
1h 48mMDW-BWI
$37
9/10Tue
1 stopSpirit Airlines
12h 23mORD-BWI
$39
8/10Sat
nonstopUnited Airlines
2h 02mORD-IAD
$39
8/9Fri
nonstopUnited Airlines
1h 59mORD-IAD
$58
9/13Fri
nonstopAmerican Airlines
1h 52mORD-DCA
$58
9/10Tue
nonstopAmerican Airlines
1h 50mORD-BWI
$59
7/1Mon
1 stopSun Country Air
13h 15mORD-IAD
$78
7/13Sat
1 stopDelta
4h 37mMDW-BWI
$88
8/10Sat
1 stopDelta
5h 49mORD-BWI
$88
7/18Thu
1 stopSun Country Air
6h 58mORD-BWI
$92

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Search by price

Last minute flights from Illinois to Washington, D.C.

Last minute flight, train and bus deals

6/17Mon
nonstopFrontier
1h 48mMDW-BWI
6/22Sat
nonstopFrontier
1h 58mBWI-MDW
$148
6/17Mon
nonstopFrontier
1h 48mMDW-BWI
6/21Fri
nonstopFrontier
1h 58mBWI-MDW
$158
6/18Tue
multi-stop
8h 22mSTL-BWI
6/25Tue
multi-stop
13h 41mBWI-STL
$213
6/16Sun
multi-stop
10h 56mORD-BWI
6/25Tue
multi-stop
12h 25mBWI-ORD
$222
6/18Tue
multi-stopSpirit Airlines
8h 22mSTL-BWI
6/24Mon
multi-stopSpirit Airlines
27h 39mBWI-STL
$227
6/17Mon
multi-stopSpirit Airlines
9h 18mORD-BWI
6/18Tue
multi-stopSpirit Airlines
10h 40mBWI-ORD
$235
6/18Tue
multi-stopSun Country Air
13h 56mSTL-IAD
6/22Sat
multi-stopSun Country Air
8h 21mIAD-STL
$275
6/18Tue
multi-stopSun Country Air
13h 56mSTL-IAD
6/21Fri
multi-stopSun Country Air
25h 11mIAD-STL
$325
6/18Tue
multi-stopDelta
4h 34mMDW-BWI
6/21Fri
multi-stopDelta
3h 43mBWI-MDW
$326
6/18Tue
multi-stopDelta
4h 37mMDW-BWI
6/27Thu
multi-stopDelta
3h 43mBWI-MDW
$337

Search by stops

Search by airline

Search by price