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.

$123 CHEAP FLIGHTS from Illinois to Reagan Washington (DCA)

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Cheap Flights from Illinois to Reagan-National

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Direct

Recent round-trip flight deals from Illinois to Reagan-National

Tue, Jan 5 - Sat, Jan 9

6:10 am - 12:35 pmORD Chicago O'Hare Intl-DCA Washington, D.C. Reagan-National

29h 25m1 stop Denver Intl

1:30 pm - 12:26 amDCA Washington, D.C. Reagan-National-ORD Chicago O'Hare Intl

11h 56m1 stop Denver Intl

$198Frontier

Tue, Dec 1 - Tue, Dec 8

7:00 am - 4:52 pmORD Chicago O'Hare Intl-DCA Washington, D.C. Reagan-National

8h 52m1 stop Denver Intl

7:00 am - 12:54 amDCA Washington, D.C. Reagan-National-ORD Chicago O'Hare Intl

18h 54m1 stop Denver Intl

$198Frontier

Mon, Dec 7 - Wed, Dec 9

7:00 am - 10:27 amORD Chicago O'Hare Intl-DCA Washington, D.C. Reagan-National

26h 27m1 stop Fort Lauderdale

3:10 pm - 1:30 pmDCA Washington, D.C. Reagan-National-ORD Chicago O'Hare Intl

23h 20m1 stop Fort Lauderdale

$235JetBlue

Sat, Dec 5 - Sat, Dec 5

9:53 am - 12:55 pmORD Chicago O'Hare Intl-DCA Washington, D.C. Reagan-National

2h 02mnonstop

4:10 pm - 8:23 pmDCA Washington, D.C. Reagan-National-ORD Chicago O'Hare Intl

5h 13m1 stop Philadelphia

$243American Airlines

Wed, Dec 23 - Wed, Dec 30

7:49 am - 10:50 amORD Chicago O'Hare Intl-DCA Washington, D.C. Reagan-National

2h 01mnonstop

10:40 am - 12:01 pmDCA Washington, D.C. Reagan-National-ORD Chicago O'Hare Intl

2h 21mnonstop

$247American Airlines

Sat, Feb 13 - Wed, Feb 17

1:55 pm - 9:55 pmORD Chicago O'Hare Intl-DCA Washington, D.C. Reagan-National

7h 00m1 stop Boston Logan Intl

7:00 am - 1:05 pmDCA Washington, D.C. Reagan-National-ORD Chicago O'Hare Intl

7h 05m1 stop Boston Logan Intl

$255JetBlue

Thu, Nov 26 - Thu, Dec 3

7:40 am - 10:30 amMDW Chicago Midway-DCA Washington, D.C. Reagan-National

1h 50mnonstop

8:55 pm - 10:10 pmDCA Washington, D.C. Reagan-National-MDW Chicago Midway

2h 15mnonstop

$259Southwest

Thu, Dec 3 - Mon, Dec 7

7:25 am - 10:15 amMDW Chicago Midway-DCA Washington, D.C. Reagan-National

1h 50mnonstop

11:00 am - 12:05 pmDCA Washington, D.C. Reagan-National-MDW Chicago Midway

2h 05mnonstop

$259Southwest

Thu, Nov 26 - Thu, Dec 3

10:14 am - 1:27 pmORD Chicago O'Hare Intl-DCA Washington, D.C. Reagan-National

2h 13mnonstop

8:25 pm - 9:59 pmDCA Washington, D.C. Reagan-National-ORD Chicago O'Hare Intl

2h 34mnonstop

$259United Airlines

Thu, Dec 3 - Mon, Dec 7

7:45 pm - 10:43 pmORD Chicago O'Hare Intl-DCA Washington, D.C. Reagan-National

1h 58mnonstop

7:05 pm - 8:39 pmDCA Washington, D.C. Reagan-National-ORD Chicago O'Hare Intl

2h 34mnonstop

$259United Airlines

Recent last minute flight deals from Illinois to Reagan-National

Sat, Nov 7 - Sat, Nov 14

6:30 am - 12:09 pmORD Chicago O'Hare Intl-DCA Washington, D.C. Reagan-National

28h 39m1 stop Denver Intl

6:00 pm - 12:21 amDCA Washington, D.C. Reagan-National-ORD Chicago O'Hare Intl

7h 21m1 stop Denver Intl

$258Frontier

Sat, Nov 7 - Sat, Nov 14

6:30 am - 12:09 pmORD Chicago O'Hare Intl-DCA Washington, D.C. Reagan-National

28h 39m1 stop Denver Intl

7:00 am - 12:21 amDCA Washington, D.C. Reagan-National-ORD Chicago O'Hare Intl

18h 21m1 stop Denver Intl

$258Frontier

Wed, Nov 4 - Thu, Dec 3

8:57 pm - 11:55 pmORD Chicago O'Hare Intl-DCA Washington, D.C. Reagan-National

1h 58mnonstop

6:25 pm - 7:56 pmDCA Washington, D.C. Reagan-National-ORD Chicago O'Hare Intl

2h 31mnonstop

$370American Airlines

Wed, Nov 4 - Mon, Nov 23

10:55 am - 1:59 pmORD Chicago O'Hare Intl-DCA Washington, D.C. Reagan-National

2h 04mnonstop

10:18 am - 11:44 amDCA Washington, D.C. Reagan-National-ORD Chicago O'Hare Intl

2h 26mnonstop

$370American Airlines

Wed, Nov 4 - Mon, Nov 23

5:30 pm - 10:43 pmPIA Greater Peoria-DCA Washington, D.C. Reagan-National

4h 13m1 stop Chicago O'Hare Intl

5:10 pm - 9:13 pmDCA Washington, D.C. Reagan-National-PIA Greater Peoria

5h 03m1 stop Chicago O'Hare Intl

$372United Airlines

Tue, Nov 3 - Wed, Nov 11

1:00 pm - 8:44 pmMLI Moline Quad-City-DCA Washington, D.C. Reagan-National

6h 44m1 stop Atlanta Hartsfield-Jackson

6:30 pm - 11:08 pmDCA Washington, D.C. Reagan-National-MLI Moline Quad-City

5h 38m1 stop Atlanta Hartsfield-Jackson

$373Delta

Wed, Nov 4 - Sat, Dec 5

7:00 am - 9:56 amORD Chicago O'Hare Intl-DCA Washington, D.C. Reagan-National

1h 56mnonstop

1:01 pm - 2:22 pmDCA Washington, D.C. Reagan-National-ORD Chicago O'Hare Intl

2h 21mnonstop

$379United Airlines

Fri, Nov 6 - Sat, Nov 7

5:09 pm - 11:47 pmMLI Moline Quad-City-DCA Washington, D.C. Reagan-National

5h 38m1 stop Atlanta Hartsfield-Jackson

6:32 pm - 10:30 pmDCA Washington, D.C. Reagan-National-MLI Moline Quad-City

4h 58m1 stop Atlanta Hartsfield-Jackson

$409Delta

Thu, Nov 5 - Fri, Nov 6

9:05 pm - 11:55 pmMDW Chicago Midway-DCA Washington, D.C. Reagan-National

1h 50mnonstop

12:40 pm - 1:45 pmDCA Washington, D.C. Reagan-National-MDW Chicago Midway

2h 05mnonstop

$481Southwest

Fri, Nov 6 - Mon, Nov 9

2:10 pm - 4:55 pmMDW Chicago Midway-DCA Washington, D.C. Reagan-National

1h 45mnonstop

6:30 pm - 7:40 pmDCA Washington, D.C. Reagan-National-MDW Chicago Midway

2h 10mnonstop

$481Southwest

Recent direct flight deals from Illinois to Reagan-National

Wed, Dec 23 - Wed, Dec 30

7:49 am - 10:50 amORD Chicago O'Hare Intl-DCA Washington, D.C. Reagan-National

2h 01mnonstop

10:40 am - 12:01 pmDCA Washington, D.C. Reagan-National-ORD Chicago O'Hare Intl

2h 21mnonstop

$247American Airlines

Wed, Dec 23 - Tue, Dec 29

6:21 pm - 9:26 pmORD Chicago O'Hare Intl-DCA Washington, D.C. Reagan-National

2h 05mnonstop

12:37 pm - 2:09 pmDCA Washington, D.C. Reagan-National-ORD Chicago O'Hare Intl

2h 32mnonstop

$247American Airlines

Tue, Dec 29 - Fri, Jan 1

7:30 pm - 10:32 pmORD Chicago O'Hare Intl-DCA Washington, D.C. Reagan-National

2h 02mnonstop

8:04 pm - 9:31 pmDCA Washington, D.C. Reagan-National-ORD Chicago O'Hare Intl

2h 27mnonstop

$248American Airlines

Tue, Dec 29 - Fri, Jan 1

2:56 pm - 5:59 pmORD Chicago O'Hare Intl-DCA Washington, D.C. Reagan-National

2h 03mnonstop

8:04 pm - 9:31 pmDCA Washington, D.C. Reagan-National-ORD Chicago O'Hare Intl

2h 27mnonstop

$248American Airlines

Thu, Nov 26 - Thu, Dec 3

7:40 am - 10:30 amMDW Chicago Midway-DCA Washington, D.C. Reagan-National

1h 50mnonstop

8:55 pm - 10:10 pmDCA Washington, D.C. Reagan-National-MDW Chicago Midway

2h 15mnonstop

$259Southwest

Mon, Dec 7 - Thu, Dec 10

8:35 pm - 11:20 pmMDW Chicago Midway-DCA Washington, D.C. Reagan-National

1h 45mnonstop

6:10 am - 7:15 amDCA Washington, D.C. Reagan-National-MDW Chicago Midway

2h 05mnonstop

$259Southwest

Thu, Nov 26 - Thu, Dec 3

10:14 am - 1:27 pmORD Chicago O'Hare Intl-DCA Washington, D.C. Reagan-National

2h 13mnonstop

8:25 pm - 9:59 pmDCA Washington, D.C. Reagan-National-ORD Chicago O'Hare Intl

2h 34mnonstop

$259United Airlines

Thu, Dec 3 - Mon, Dec 7

7:45 pm - 10:43 pmORD Chicago O'Hare Intl-DCA Washington, D.C. Reagan-National

1h 58mnonstop

7:05 pm - 8:39 pmDCA Washington, D.C. Reagan-National-ORD Chicago O'Hare Intl

2h 34mnonstop

$259United Airlines

Thu, Dec 3 - Mon, Dec 7

7:25 am - 10:15 amMDW Chicago Midway-DCA Washington, D.C. Reagan-National

1h 50mnonstop

11:00 am - 12:05 pmDCA Washington, D.C. Reagan-National-MDW Chicago Midway

2h 05mnonstop

$259Southwest

Mon, Dec 14 - Thu, Dec 17

12:05 pm - 2:55 pmMDW Chicago Midway-DCA Washington, D.C. Reagan-National

1h 50mnonstop

12:40 pm - 1:45 pmDCA Washington, D.C. Reagan-National-MDW Chicago Midway

2h 05mnonstop

$259Southwest

Useful Info

Low season	January
High season	May
Cheapest flight	$123

Best time to beat the crowds with an average 16% drop in price.

Most popular time to fly and prices are also 1% lower on average.

Flight from Chicago O'Hare Airport to Reagan Washington National Airport

IndivarFlew with American Airlines-Aug 2026

For a work trips, consider booking an Airline with multiple daily flights in case you might want standby for an earlier return flight.

UzomaFlew with American Airlines-Jan 2024

ORD and DCA are nice airports with plenty of space. ORD is always busy so allow ample time to drive there, drop your bag, and go through security if you don't have TSA pre check.

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.

Linthicum Heights

Hanover

Springfield

Gaithersburg

Towson

Owings Mills

Oxon Hill

Greenbelt

Glen Burnie

Edgewood

Camp Springs

Chesapeake Beach

Ellicott City

Pikesville

Hunt Valley

Capitol Heights

Lutherville Timonium

Colonial Beach

Clinton

Westminster

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DCA

$123 Find Cheap Flights from Illinois to Reagan Washington National Airport - Compare and Save

Cheap Flights from Illinois to Reagan-National

Recent round-trip flight deals from Illinois to Reagan-National

Recent one-way flight deals from Illinois to Reagan-National

Recent last minute flight deals from Illinois to Reagan-National

Recent direct flight deals from Illinois to Reagan-National

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Flights from Illinois to Reagan-National: the best tips from KAYAK users

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