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Cheap flights from Chicago to Washington, D.C. from £34

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 21/9. 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
06:10 - 09:02ORD-BWI
1h 52mdirect
Spirit Airlines Logo
09:57 - 11:10BWI-ORD
2h 13mdirect
£90Spirit Airlines
Find Deal
Fri, 10 Oct - Mon, 13 Oct
Spirit Airlines Logo
11:57 - 23:25ORD-BWI
10h 28m1 stop
Spirit Airlines Logo
06:50 - 17:39BWI-ORD
11h 49m1 stop
£96Spirit Airlines
Find Deal
Sat, 13 Sep - Sat, 20 Sep
American Airlines Logo
07:54 - 10:53ORD-BWI
1h 59mdirect
American Airlines Logo
18:20 - 19:34BWI-ORD
2h 14mdirect
£120American Airlines
Find Deal
Sat, 13 Sep - Sat, 20 Sep
United Airlines Logo
07:00 - 09:55ORD-BWI
1h 55mdirect
United Airlines Logo
06:15 - 07:30BWI-ORD
2h 15mdirect
£121United Airlines
Find Deal
Sat, 30 Aug - Wed, 3 Sep
United Airlines Logo
10:45 - 13:48ORD-BWI
2h 03mdirect
United Airlines Logo
18:40 - 19:56BWI-ORD
2h 16mdirect
£127United Airlines
Find Deal
Wed, 3 Sep - Thu, 11 Sep
Southwest Logo
07:30 - 15:40ORD-BWI
7h 10m1 stop
Southwest Logo
10:35 - 11:50BWI-ORD
2h 15mdirect
£140Southwest
Find Deal
Wed, 24 Sep - Sat, 27 Sep
Southwest Logo
13:50 - 16:50ORD-BWI
2h 00mdirect
Southwest Logo
06:45 - 15:20BWI-ORD
9h 35m1 stop
£146Southwest
Find Deal
Mon, 6 Oct - Wed, 8 Oct
Delta Logo
07:05 - 12:30ORD-BWI
4h 25m1 stop
Delta Logo
09:00 - 14:25BWI-ORD
6h 25m1 stop
£148Delta
Find Deal
Sun, 31 Aug - Tue, 9 Sep
Delta Logo
07:05 - 12:30ORD-BWI
4h 25m1 stop
Delta Logo
12:17 - 19:19BWI-ORD
8h 02m1 stop
£153Delta
Find Deal
Tue, 26 Aug - Sat, 30 Aug
American Airlines Logo
08:37 - 13:58ORD-BWI
4h 21m1 stop
American Airlines Logo
18:20 - 19:34BWI-ORD
2h 14mdirect
£155American Airlines
Find Deal
Sat, 13 Sep - Sat, 20 Sep

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

Our best Spirit Airlines deals on Chicago to Washington, D.C. flight tickets
Spirit Airlines
10 Oct
ORD06:10Chicago O'Hare Intl
1h 52m
BWI09:02Baltimore/Washington
13 Oct
BWI09:57Baltimore/Washington
2h 13m
ORD11:10Chicago O'Hare Intl
£90
Find similar
Spirit Airlines
13 Sept
ORD11:57Chicago O'Hare Intl
10h 28m
1 stop
BWI23:25Baltimore/Washington
20 Sept
BWI06:50Baltimore/Washington
11h 49m
1 stop
ORD17:39Chicago O'Hare Intl
£96
Find similar
Spirit Airlines
22 Aug
ORD10:26Chicago O'Hare Intl
7h 02m
1 stop
BWI18:28Baltimore/Washington
25 Aug
BWI06:37Baltimore/Washington
13h 30m
1 stop
ORD19:07Chicago O'Hare Intl
£107
Find similar

Southwest flights from Chicago to Washington, D.C.

Our best Southwest deals on Chicago to Washington, D.C. flight tickets
Southwest
24 Sept
ORD07:30Chicago O'Hare Intl
7h 10m
1 stop
BWI15:40Baltimore/Washington
27 Sept
BWI10:35Baltimore/Washington
2h 15m
ORD11:50Chicago O'Hare Intl
£140
Find similar
Southwest
6 Oct
ORD13:50Chicago O'Hare Intl
2h 00m
BWI16:50Baltimore/Washington
8 Oct
BWI06:45Baltimore/Washington
9h 35m
1 stop
ORD15:20Chicago O'Hare Intl
£146
Find similar
Southwest
30 Aug
ORD13:30Chicago O'Hare Intl
2h 00m
BWI16:30Baltimore/Washington
4 Sept
BWI11:30Baltimore/Washington
2h 15m
ORD12:45Chicago O'Hare Intl
£147
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 31 July 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

Fri 10/10

06:10-09:02

Nonstop1h 52m

Baltimore/Washington

Mon 13/10

09:57-11:10

Nonstop2h 13m

£90

ChicagoBaltimore

ORD - BWI

ORDBWI

Chicago O'Hare Intl

Sat 13/9

11:57-23:25

1 stop10h 28m

Baltimore/Washington

Sat 20/9

06:50-17:39

1 stop11h 49m

£96

ChicagoBaltimore

ORD - BWI

ORDBWI

Chicago O'Hare Intl

Sat 13/9

07:54-10:53

Nonstop1h 59m

Baltimore/Washington

Sat 20/9

18:20-19:34

Nonstop2h 14m

£120

ChicagoBaltimore

ORD - BWI

ORDBWI

Chicago O'Hare Intl

Sat 30/8

07:00-09:55

Nonstop1h 55m

Baltimore/Washington

Wed 3/9

06:15-07:30

Nonstop2h 15m

£121

ChicagoBaltimore

ORD - BWI

ORDBWI

Chicago O'Hare Intl

Wed 3/9

10:45-13:48

Nonstop2h 03m

Baltimore/Washington

Thu 11/9

18:40-19:56

Nonstop2h 16m

£127

ChicagoBaltimore

ORD - BWI

ORDBWI

Chicago O'Hare Intl

Wed 24/9

07:30-15:40

1 stop7h 10m

Baltimore/Washington

Sat 27/9

10:35-11:50

Nonstop2h 15m

£140

ChicagoBaltimore

ORD - BWI

ORDBWI

Chicago O'Hare Intl

Mon 6/10

13:50-16:50

Nonstop2h 00m

Baltimore/Washington

Wed 8/10

06:45-15:20

1 stop9h 35m

£146

ChicagoBaltimore

ORD - BWI

ORDBWI

Chicago O'Hare Intl

Sun 31/8

07:05-12:30

1 stop4h 25m

Baltimore/Washington

Tue 9/9

09:00-14:25

1 stop6h 25m

£148

ChicagoBaltimore

ORD - BWI

ORDBWI

Chicago O'Hare Intl

Tue 26/8

07:05-12:30

1 stop4h 25m

Baltimore/Washington

Sat 30/8

12:17-19:19

1 stop8h 02m

£153

ChicagoBaltimore

ORD - BWI

ORDBWI

Chicago O'Hare Intl

Sat 13/9

08:37-13:58

1 stop4h 21m

Baltimore/Washington

Sat 20/9

18:20-19:34

Nonstop2h 14m

£155

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 typical price of a round-trip flight between Chicago and Washington, D.C.?

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 £137, 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 £152.

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 £309. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Monday 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 £1,031.

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

In the afternoon is the cheapest time of day to fly from Chicago to Washington, D.C. when you can find flight prices for as low as £451. Flying to Washington, D.C. in the afternoon 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 £990. 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 Washington, D.C. Reagan-National 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 £205 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 £161 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?

No. A direct flight is the cheapest option for a flight between Chicago to Washington, D.C..

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

As of July 2025, prices for Chicago to Washington, D.C. flights are approximately 45% cheaper 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

£34

Fastest flight time

1h 46m

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 £34. The best return flight deal from Chicago to Washington, D.C. found on momondo in the last 72 hours is £90.
The fastest flight from Chicago to Washington, D.C. takes 1h 46m
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 £167 to Washington, D.C. or a bus from Chicago to Washington, D.C. starting at £118 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
Essex
Alexandria
Fairfax
Manassas
Bethesda
Oxon Hill
College Park
Linthicum Heights
Gettysburg
Hanover
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.

An easier way to manage your Washington, D.C. trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
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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