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Find cheap flights from Illinois to Reagan Washington National Airport from $79

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Reagan-National departing on 9/10. 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
Mon 6/3
Mon 6/10

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In the last 7 days travelers have searched 43,693,958 times on KAYAK, and here is why:

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Good to know

Low season

January

High season

May

Cheapest flight

$79
Best time to beat the crowds with an average 8% drop in price.
Most popular time to fly and prices are also 0% lower on average.
Flight from Chicago O'Hare Airport to Reagan Washington National Airport

FAQs for booking Illinois to Reagan Washington National Airport flights

  • How does KAYAK find such low prices on flights from Illinois to Reagan Washington National Airport?

    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 Reagan Washington National Airport.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Reagan Washington National Airport?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Reagan Washington National Airport 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 Reagan Washington National Airport?

    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 Reagan Washington National Airport 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 Reagan Washington National Airport?

    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 Reagan Washington National Airport 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 Reagan Washington National Airport?

Find which airlines fly direct from Illinois to Reagan-National, which days they fly and book direct flights.

Nonstop departures

Illinois to Washington, D.C. Reagan-National

Monday

ANA, Aerolineas Argentinas, Aeromexico, +41 more

ANA, Aerolineas Argentinas, +42 more

Tuesday

ANA, Aerolineas Argentinas, Aeromexico, +41 more

ANA, Aerolineas Argentinas, +42 more

Wednesday

ANA, Aerolineas Argentinas, Aeromexico, +41 more

ANA, Aerolineas Argentinas, +42 more

Thursday

ANA, Aerolineas Argentinas, Aeromexico, +40 more

ANA, Aerolineas Argentinas, +41 more

Friday

ANA, Aerolineas Argentinas, Aeromexico, +41 more

ANA, Aerolineas Argentinas, +42 more

Saturday

ANA, Aerolineas Argentinas, Aeromexico, +40 more

ANA, Aerolineas Argentinas, +41 more

Sunday

ANA, Aerolineas Argentinas, Aeromexico, +42 more

ANA, Aerolineas Argentinas, +43 more

See more direct flights

Nonstop returns

Washington, D.C. Reagan-National to Illinois

Monday

ANA, Aerolineas Argentinas, Aeromexico, +41 more

ANA, Aerolineas Argentinas, +42 more

Tuesday

ANA, Aerolineas Argentinas, Aeromexico, +41 more

ANA, Aerolineas Argentinas, +42 more

Wednesday

ANA, Aerolineas Argentinas, Aeromexico, +41 more

ANA, Aerolineas Argentinas, +42 more

Thursday

ANA, Aerolineas Argentinas, Aeromexico, +40 more

ANA, Aerolineas Argentinas, +41 more

Friday

ANA, Aerolineas Argentinas, Aeromexico, +41 more

ANA, Aerolineas Argentinas, +42 more

Saturday

ANA, Aerolineas Argentinas, Aeromexico, +40 more

ANA, Aerolineas Argentinas, +41 more

Sunday

ANA, Aerolineas Argentinas, Aeromexico, +42 more

ANA, Aerolineas Argentinas, +43 more

See more direct flights
See more direct flights

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

Recent round-trip flight deals

9/14Sat
1 stopFrontier
11h 09mMDW-DCA
9/21Sat
1 stopFrontier
17h 53mDCA-MDW
$148
9/24Tue
1 stopFrontier
11h 09mMDW-DCA
9/25Wed
1 stopFrontier
17h 53mDCA-MDW
$158
5/22Wed
nonstopUnited Airlines
1h 56mORD-DCA
6/25Tue
nonstopUnited Airlines
2h 10mDCA-ORD
$169
5/28Tue
nonstopUnited Airlines
1h 52mORD-DCA
6/4Tue
nonstopUnited Airlines
2h 12mDCA-ORD
$183
6/26Wed
nonstopAmerican Airlines
2h 02mSTL-DCA
7/2Tue
nonstopAmerican Airlines
2h 28mDCA-STL
$184
6/1Sat
1 stopAmerican Airlines
4h 40mORD-DCA
6/1Sat
nonstopAmerican Airlines
2h 12mDCA-ORD
$186
5/25Sat
1 stopDelta
5h 50mSTL-DCA
5/28Tue
1 stopDelta
6h 55mDCA-STL
$188
5/29Wed
1 stopDelta
6h 45mORD-DCA
6/4Tue
1 stopDelta
4h 10mDCA-ORD
$188
6/3Mon
2 stopsSouthwest
10h 05mORD-DCA
6/5Wed
1 stopSouthwest
9h 50mDCA-ORD
$293
6/3Mon
2 stopsSouthwest
10h 05mORD-DCA
6/5Wed
2 stopsSouthwest
10h 05mDCA-ORD
$298

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Recent one-way flight deals

9/10Tue
1 stopFrontier
9h 09mORD-DCA
$79
8/13Tue
nonstopAmerican Airlines
1h 52mORD-DCA
$84
7/2Tue
nonstopUnited Airlines
1h 59mORD-DCA
$85
5/14Tue
1 stopFrontier
18h 10mSTL-DCA
$85
8/21Wed
1 stopJetBlue
8h 06mORD-DCA
$92
5/30Thu
1 stopDelta
5h 53mORD-DCA
$93
5/30Thu
1 stopDelta
6h 50mMDW-DCA
$93
6/1Sat
1 stopDelta
4h 21mSTL-DCA
$94
5/30Thu
nonstopUnited Airlines
1h 53mORD-DCA
$118
5/11Sat
1 stopJetBlue
5h 01mORD-DCA
$182

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Last minute flights from Illinois to Reagan-National

Last minute flight, train and bus deals

5/8Wed
multi-stopFrontier
16h 33mORD-DCA
5/15Wed
multi-stopFrontier
18h 56mDCA-ORD
$238
5/8Wed
multi-stopFrontier
16h 33mORD-DCA
5/15Wed
multi-stopFrontier
18h 56mDCA-ORD
$241
5/7Tue
multi-stopAmerican Airlines
4h 16mORD-DCA
5/7Tue
nonstopAmerican Airlines
2h 22mDCA-ORD
$285
5/5Sun
multi-stopAmerican Airlines
4h 04mMLI-DCA
5/11Sat
multi-stopAmerican Airlines
4h 35mDCA-MLI
$383
5/8Wed
multi-stopJetBlue
9h 05mORD-DCA
5/14Tue
multi-stopJetBlue
9h 10mDCA-ORD
$449
5/8Wed
multi-stopJetBlue
9h 05mORD-DCA
5/15Wed
multi-stopJetBlue
9h 10mDCA-ORD
$470
5/4Sat
multi-stopDelta
4h 21mORD-DCA
5/7Tue
multi-stopDelta
6h 22mDCA-ORD
$488
5/8Wed
multi-stopDelta
5h 09mMDW-DCA
5/11Sat
multi-stopDelta
5h 57mDCA-MDW
$498
5/6Mon
nonstopUnited Airlines
1h 52mORD-DCA
5/9Thu
nonstopUnited Airlines
2h 15mDCA-ORD
$513
5/5Sun
multi-stopUnited Airlines
4h 41mMLI-DCA
5/11Sat
multi-stopUnited Airlines
6h 11mDCA-MLI
$516

Search by stops

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