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Cheap flights from Chicago to Washington, D.C. from £52

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago to Washington, D.C. departing on 17/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags
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Cheap return flights

Spirit Airlines Logo
19:56 - 22:54ORD-BWI
1h 58mdirect
Spirit Airlines Logo
17:44 - 19:01BWI-ORD
2h 17mdirect
£74Spirit Airlines
Find Deal
Thu, 13 Nov - Sun, 16 Nov
United Airlines Logo
14:22 - 17:26ORD-BWI
2h 04mdirect
United Airlines Logo
06:29 - 07:44BWI-ORD
2h 15mdirect
£86United Airlines
Find Deal
Wed, 1 Oct - Tue, 7 Oct
Logo
06:10 - 09:02ORD-BWI
1h 52mdirect
Logo
19:45 - 13:12BWI-ORD
18h 27m1 stop
£91
Find Deal
Thu, 2 Oct - Sun, 5 Oct
Logo
19:56 - 22:54ORD-BWI
1h 58mdirect
Logo
05:50 - 10:38BWI-ORD
5h 48m1 stop
£95
Find Deal
Thu, 13 Nov - Sun, 16 Nov
Frontier Logo
07:40 - 11:00ORD-BWI
26h 20m1 stop
Frontier Logo
19:45 - 13:12BWI-ORD
18h 27m1 stop
£106Frontier
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Thu, 2 Oct - Sun, 5 Oct
Frontier Logo
05:11 - 16:34ORD-IAD
10h 23m1 stop
Frontier Logo
17:29 - 00:11IAD-ORD
7h 42m1 stop
£106Frontier
Find Deal
Thu, 13 Nov - Sun, 16 Nov
Southwest Logo
15:45 - 22:45ORD-DCA
6h 00m1 stop
Southwest Logo
07:55 - 14:45DCA-ORD
7h 50m1 stop
£113Southwest
Find Deal
Thu, 13 Nov - Wed, 19 Nov
Southwest Logo
13:50 - 16:55ORD-BWI
2h 05mdirect
Southwest Logo
09:15 - 12:45BWI-ORD
4h 30m1 stop
£121Southwest
Find Deal
Wed, 1 Oct - Tue, 7 Oct
Delta Logo
07:00 - 12:40ORD-DCA
4h 40m1 stop
Delta Logo
12:31 - 16:41DCA-ORD
5h 10m1 stop
£145Delta
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Sat, 4 Oct - Tue, 7 Oct
Delta Logo
11:05 - 16:07ORD-IAD
4h 02m1 stop
Delta Logo
17:25 - 22:14IAD-ORD
5h 49m1 stop
£145Delta
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Wed, 1 Oct - Sat, 4 Oct

United Airlines flights from Chicago to Washington, D.C.

Our best United Airlines deals on Chicago to Washington, D.C. flight tickets
United Airlines
1 Oct
ORD14:22Chicago O'Hare Intl
2h 04m
BWI17:26Baltimore/Washington
7 Oct
BWI06:29Baltimore/Washington
2h 15m
ORD07:44Chicago O'Hare Intl
£86
Find similar
United Airlines
4 Oct
ORD08:50Chicago O'Hare Intl
2h 05m
IAD11:55Washington, D.C. Dulles Intl
5 Oct
IAD06:30Washington, D.C. Dulles Intl
2h 11m
ORD07:41Chicago O'Hare Intl
£98
Find similar
United Airlines
22 Oct
ORD14:22Chicago O'Hare Intl
2h 04m
BWI17:26Baltimore/Washington
29 Oct
BWI06:15Baltimore/Washington
2h 16m
ORD07:31Chicago O'Hare Intl
£102
Find similar

American Airlines flights from Chicago to Washington, D.C.

Our best American Airlines deals on Chicago to Washington, D.C. flight tickets
American Airlines
28 Oct
ORD06:07Chicago O'Hare Intl
1h 53m
DCA09:00Washington, D.C. Reagan-National
4 Nov
DCA09:45Washington, D.C. Reagan-National
2h 13m
ORD10:58Chicago O'Hare Intl
£175
Find similar
American Airlines
13 Nov
ORD08:02Chicago O'Hare Intl
1h 58m
DCA11:00Washington, D.C. Reagan-National
16 Nov
DCA19:59Washington, D.C. Reagan-National
2h 24m
ORD21:23Chicago O'Hare Intl
£215
Find similar
American Airlines
16 Sept
ORD12:33Chicago O'Hare Intl
5h 18m
1 stop
IAD18:51Washington, D.C. Dulles Intl
17 Sept
IAD11:18Washington, D.C. Dulles Intl
7h 12m
1 stop
ORD17:30Chicago O'Hare Intl
£349
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from Chicago to Washington, D.C. 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, momondo users made 279,928 searches. Data last updated 15 September 2025.
Use the filters below to find and compare flights from Chicago to Washington, D.C. that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoBaltimore

ORD - BWI

ORDBWI

Chicago O'Hare Intl

Thu 13/11

19:56-22:54

Nonstop1h 58m

Baltimore/Washington

Sun 16/11

17:44-19:01

Nonstop2h 17m

£74

ChicagoBaltimore

ORD - BWI

ORDBWI

Chicago O'Hare Intl

Wed 1/10

14:22-17:26

Nonstop2h 04m

Baltimore/Washington

Tue 7/10

06:29-07:44

Nonstop2h 15m

£86

ChicagoBaltimore

ORD - BWI

ORDBWI

Chicago O'Hare Intl

Thu 2/10

06:10-09:02

Nonstop1h 52m

Baltimore/Washington

Sun 5/10

19:45-13:12

1 stop18h 27m

£91

ChicagoBaltimore

ORD - BWI

ORDBWI

Chicago O'Hare Intl

Thu 13/11

19:56-22:54

Nonstop1h 58m

Baltimore/Washington

Sun 16/11

05:50-10:38

1 stop5h 48m

£95

ChicagoBaltimore

ORD - BWI

ORDBWI

Chicago O'Hare Intl

Thu 2/10

07:40-11:00

1 stop26h 20m

Baltimore/Washington

Sun 5/10

19:45-13:12

1 stop18h 27m

£106

ChicagoWashington, D.C.

ORD - IAD

ORDIAD

Chicago O'Hare Intl

Thu 13/11

05:11-16:34

1 stop10h 23m

Washington, D.C. Dulles Intl

Sun 16/11

17:29-00:11

1 stop7h 42m

£106

ChicagoWashington, D.C.

ORD - DCA

ORDDCA

Chicago O'Hare Intl

Thu 13/11

15:45-22:45

1 stop6h 00m

Washington, D.C. Reagan-National

Wed 19/11

07:55-14:45

1 stop7h 50m

£113

ChicagoBaltimore

ORD - BWI

ORDBWI

Chicago O'Hare Intl

Wed 1/10

13:50-16:55

Nonstop2h 05m

Baltimore/Washington

Tue 7/10

09:15-12:45

1 stop4h 30m

£121

ChicagoWashington, D.C.

ORD - DCA

ORDDCA

Chicago O'Hare Intl

Sat 4/10

07:00-12:40

1 stop4h 40m

Washington, D.C. Reagan-National

Tue 7/10

12:31-16:41

1 stop5h 10m

£145

ChicagoWashington, D.C.

ORD - IAD

ORDIAD

Chicago O'Hare Intl

Wed 1/10

11:05-16:07

1 stop4h 02m

Washington, D.C. Dulles Intl

Sat 4/10

17:25-22:14

1 stop5h 49m

£145

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Chicago to Washington, D.C.

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

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

The cheapest month to fly to Washington, D.C. from Chicago is in August. Flight prices, which tend to average around £121, are often lower during this time because this is during the off-season. If you don’t want to visit Washington, D.C. in August, then you should wait until September to fly from Chicago, when ticket prices are also cheap, with an average price of £156.

What is the cheapest day to depart on your flight to Washington, D.C.?

On average, the least expensive day to fly to Washington, D.C. from Chicago is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as £201. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Saturday is the most expensive day to depart from Chicago because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £458.

What is the cheapest time of day to depart on your flight to Washington, D.C.?

In the evening is the cheapest time of day to fly from Chicago to Washington, D.C. when you can find flight prices for as low as £231. Flying to Washington, D.C. in the evening is an ideal time because this is during off-peak travel hours. Flights to Washington, D.C. are more costly at midday, with an average ticket price of £972. Departure times at midday fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Chicago to Washington, D.C. flight route?

Fly from Chicago O'Hare Intl to Baltimore/Washington for the best Chicago - Washington, D.C. flight prices

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

You are more likely to see cheaper flights to Washington, D.C. from Chicago when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. for around £226 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. from Chicago for as low as £182 on momondo.

What cabin class options are available on Chicago to Washington, D.C. flights?

There are 2 cabin classes available to choose from on Chicago to Washington, D.C. flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Chicago to Washington, D.C. flights?

You could potentially save up to 45% on your flight if you consider stops on a Chicago to Washington, D.C. flight.

How have Chicago to Washington, D.C. flight prices changed over time?

As of September 2025, prices for Chicago to Washington, D.C. flights are approximately 0% more expensive when compared to flights at the same time last year.

When to book flights from Chicago to Washington, D.C.

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago to Washington, D.C. according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Chicago to Washington, D.C. (CHI to WAS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago to Washington, D.C.

Best price found

£51

Fastest flight time

1h 49m

Direct flights

Every day

Airports in Washington, D.C.

3 airports
The best one-way flight to Washington, D.C. from Chicago in the past 72 hours is £51. The best return flight deal from Chicago to Washington, D.C. found on momondo in the last 72 hours is £86.
The fastest flight from Chicago to Washington, D.C. takes 1h 49m
Direct flights go from Chicago to Washington, D.C. every day.
There are 3 airports near Washington, D.C.: Washington, D.C. Reagan-National (DCA), Baltimore/Washington (BWI), Washington, D.C. Dulles Intl (IAD)
Search flight deals

  • Is flying the fastest way to get from Chicago to Washington, D.C.?

    At 1h 49m, choosing to opt for a flight from Chicago to Washington, D.C. for this trip as opposed to a train from Chicago to Washington, D.C. or a bus from Chicago to Washington, D.C. can save you time on travel.

  • Is flying the cheapest way to get from Chicago to Washington, D.C.?

    Planning to book a flight from Chicago to Washington, D.C. can be a safe bet when looking for a low-cost deal to your destination. Currently, a train and a bus are priced higher than the cost of a flight. You can search prices for a train from Chicago starting at £149 to Washington, D.C. or a bus from Chicago to Washington, D.C. starting at £107 if that is your preferred method of transportation.

  • How far is Chicago to Washington, D.C. by plane?

    The straight-line distance from Chicago to Washington, D.C. is 593.1 mi. Flights usually cover this in 1h 49m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Chicago to Washington, D.C.?

    Prices for flights from Chicago to Washington, D.C. refresh daily.

  • How old do you have to be to fly from Chicago to Washington, D.C.?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago to Washington, D.C..

  • What documentation or ID do you need to fly to Washington, D.C.?

    The travel and health documents required for your trip to Washington, D.C. can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Washington, D.C.. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Chicago to Washington, D.C.?

Travelling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Laurel
College Park
Essex
Alexandria
Fairfax
Bethesda
Oxon Hill
Gettysburg
Cambridge
Ellicott City
Westminster
Arlington
Woodbridge
Owings Mills
Silver Spring
National Harbor

Why use momondo?

Why should I use momondo to find a flight deal from Chicago to Washington, D.C.?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Chicago to Washington, D.C. for you.

Can I find flights from Chicago to Washington, D.C. with flexible booking policies on momondo?

Yes. All flights to Washington, D.C. from Chicago on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Chicago to Washington, D.C.?

momondo helps you find the best flight between Chicago and Washington, D.C. by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Chicago to Washington, D.C. right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Chicago to Washington, D.C. flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Find better results for your trip to the United States

Fly into one of these airports located in Washington, D.C.

Airports listed have a maximum distance of 22.4 mi from Washington, D.C.
Washington, D.C. Reagan-National Airport
Washington, D.C. Dulles Intl Airport