Cheap flights from Washington, D.C. to Chicago from $43

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. to Chicago departing on 9/21. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

Find the cheapest flights from Washington, D.C. to Chicago (WAS-CHI)

Cheap round-trip flights

Spirit Airlines Logo
9:57 am - 11:10 amBWI-ORD
2h 13mnonstop
Spirit Airlines Logo
6:10 am - 9:02 amORD-BWI
1h 52mnonstop
$88Spirit Airlines
Find Deal
Thu, Sep 11 - Sun, Sep 14
Spirit Airlines Logo
10:17 am - 11:30 amBWI-ORD
2h 13mnonstop
Spirit Airlines Logo
6:30 am - 9:22 amORD-BWI
1h 52mnonstop
$89Spirit Airlines
Find Deal
Fri, Oct 17 - Sun, Oct 19
Frontier Logo
9:59 pm - 11:20 pmBWI-ORD
2h 21mnonstop
Frontier Logo
6:11 pm - 9:14 pmORD-BWI
2h 03mnonstop
$99Frontier
Find Deal
Fri, Oct 3 - Sun, Oct 5
Frontier Logo
5:40 pm - 6:43 pmBWI-MDW
2h 03mnonstop
Frontier Logo
1:49 pm - 4:50 pmMDW-BWI
2h 01mnonstop
$119Frontier
Find Deal
Sun, Sep 21 - Thu, Sep 25
United Airlines Logo
6:04 pm - 7:20 pmDCA-ORD
2h 16mnonstop
United Airlines Logo
6:00 am - 8:58 amORD-DCA
1h 58mnonstop
$123United Airlines
Find Deal
Sat, Oct 4 - Wed, Oct 8
United Airlines Logo
1:15 pm - 2:29 pmIAD-ORD
2h 14mnonstop
United Airlines Logo
9:31 pm - 12:32 amORD-IAD
2h 01mnonstop
$123United Airlines
Find Deal
Tue, Sep 2 - Tue, Sep 9
Southwest Logo
10:45 am - 11:45 amBWI-MDW
2h 00mnonstop
Southwest Logo
2:55 pm - 5:45 pmMDW-BWI
1h 50mnonstop
$123Southwest
Find Deal
Wed, Sep 3 - Wed, Sep 10
Southwest Logo
10:35 am - 11:50 amBWI-ORD
2h 15mnonstop
Southwest Logo
1:30 pm - 4:25 pmORD-BWI
1h 55mnonstop
$123Southwest
Find Deal
Sat, Oct 4 - Sat, Oct 18
American Airlines Logo
6:00 am - 7:16 amDCA-ORD
2h 16mnonstop
American Airlines Logo
6:04 am - 8:59 amORD-DCA
1h 55mnonstop
$136American Airlines
Find Deal
Sat, Nov 8 - Mon, Nov 10
American Airlines Logo
5:08 pm - 6:28 pmDCA-ORD
2h 20mnonstop
American Airlines Logo
6:10 am - 9:00 amORD-DCA
1h 50mnonstop
$140American Airlines
Find Deal
Wed, Sep 10 - Fri, Sep 12

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

Our best Spirit Airlines deals on Washington, D.C. to Chicago flight tickets
Spirit Airlines
Sep 11
BWI9:57 amBaltimore/Washington
2h 13m
ORD11:10 amChicago O'Hare Intl
Sep 14
ORD6:10 amChicago O'Hare Intl
1h 52m
BWI9:02 amBaltimore/Washington
Spirit Airlines
Oct 17
BWI10:17 amBaltimore/Washington
2h 13m
ORD11:30 amChicago O'Hare Intl
Oct 19
ORD6:30 amChicago O'Hare Intl
1h 52m
BWI9:22 amBaltimore/Washington
Spirit Airlines
Sep 11
BWI9:57 amBaltimore/Washington
2h 13m
ORD11:10 amChicago O'Hare Intl
Sep 14
ORD6:10 amChicago O'Hare Intl
1h 52m
BWI9:02 amBaltimore/Washington

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

Our best United Airlines deals on Washington, D.C. to Chicago flight tickets
United Airlines
Oct 4
DCA6:04 pmWashington, D.C. Reagan-National
2h 16m
ORD7:20 pmChicago O'Hare Intl
Oct 8
ORD6:00 amChicago O'Hare Intl
1h 58m
DCA8:58 amWashington, D.C. Reagan-National
United Airlines
Aug 27
DCA3:30 pmWashington, D.C. Reagan-National
2h 13m
ORD4:43 pmChicago O'Hare Intl
Aug 28
ORD4:00 pmChicago O'Hare Intl
2h 03m
DCA7:03 pmWashington, D.C. Reagan-National
United Airlines
Sep 10
IAD10:10 pmWashington, D.C. Dulles Intl
2h 05m
ORD11:15 pmChicago O'Hare Intl
Sep 12
ORD10:43 amChicago O'Hare Intl
2h 06m
IAD1:49 pmWashington, D.C. Dulles Intl

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. to Chicago 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 832,500 searches. Data last updated August 5, 2025.
Use the filters below to find and compare flights from Washington, D.C. to Chicago that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BaltimoreChicago

BWI - ORD

BWIORD

Baltimore/Washington

Thu 9/11

9:57 am-11:10 am

Nonstop2h 13m

Chicago O'Hare Intl

Sun 9/14

6:10 am-9:02 am

Nonstop1h 52m

$88

BaltimoreChicago

BWI - ORD

BWIORD

Baltimore/Washington

Fri 10/17

10:17 am-11:30 am

Nonstop2h 13m

Chicago O'Hare Intl

Sun 10/19

6:30 am-9:22 am

Nonstop1h 52m

$89

BaltimoreChicago

BWI - ORD

BWIORD

Baltimore/Washington

Fri 10/3

9:59 pm-11:20 pm

Nonstop2h 21m

Chicago O'Hare Intl

Sun 10/5

6:11 pm-9:14 pm

Nonstop2h 03m

$99

BaltimoreChicago

BWI - MDW

BWIMDW

Baltimore/Washington

Sun 9/21

5:40 pm-6:43 pm

Nonstop2h 03m

Chicago Midway

Thu 9/25

1:49 pm-4:50 pm

Nonstop2h 01m

$119

Washington, D.C.Chicago

DCA - ORD

DCAORD

Washington, D.C. Reagan-National

Sat 10/4

6:04 pm-7:20 pm

Nonstop2h 16m

Chicago O'Hare Intl

Wed 10/8

6:00 am-8:58 am

Nonstop1h 58m

$123

Washington, D.C.Chicago

IAD - ORD

IADORD

Washington, D.C. Dulles Intl

Tue 9/2

1:15 pm-2:29 pm

Nonstop2h 14m

Chicago O'Hare Intl

Tue 9/9

9:31 pm-12:32 am

Nonstop2h 01m

$123

BaltimoreChicago

BWI - MDW

BWIMDW

Baltimore/Washington

Wed 9/3

10:45 am-11:45 am

Nonstop2h 00m

Chicago Midway

Wed 9/10

2:55 pm-5:45 pm

Nonstop1h 50m

$123

BaltimoreChicago

BWI - ORD

BWIORD

Baltimore/Washington

Sat 10/4

10:35 am-11:50 am

Nonstop2h 15m

Chicago O'Hare Intl

Sat 10/18

1:30 pm-4:25 pm

Nonstop1h 55m

$123

Washington, D.C.Chicago

DCA - ORD

DCAORD

Washington, D.C. Reagan-National

Sat 11/8

6:00 am-7:16 am

Nonstop2h 16m

Chicago O'Hare Intl

Mon 11/10

6:04 am-8:59 am

Nonstop1h 55m

$136

Washington, D.C.Chicago

DCA - ORD

DCAORD

Washington, D.C. Reagan-National

Wed 9/10

5:08 pm-6:28 pm

Nonstop2h 20m

Chicago O'Hare Intl

Fri 9/12

6:10 am-9:00 am

Nonstop1h 50m

$140

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Chicago from

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

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 Washington, D.C. and Chicago?

What is the cheapest month to fly to Chicago?

The month of September is, on average, the cheapest month to fly to Chicago from Washington, D.C., with most prices found around $202. If you’re not able to fly to Chicago in September, then January is your next best option. Flight prices from Washington, D.C. to Chicago during January average around $229.

What is the cheapest day to depart on your flight to Chicago?

The cheapest day to depart on your flight to Chicago is on a Friday when prices can be found for as low as $386. This is often the case because there is less demand to fly during this day of the week. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Washington, D.C. to Chicago for around $492.

What is the cheapest time of day to depart on your flight to Chicago?

Our most recent data shows that the best time of day to fly to Chicago is in the evening. Flights from Washington, D.C. to Chicago during this time can be as low as $333. In contrast, the most expensive time of day to depart to Chicago is in the afternoon when prices are around $436.

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

Fly from Baltimore/Washington to Chicago Midway for the best Washington, D.C. - Chicago flight prices

How far in advance should I book a flight to Chicago?

You are more likely to see cheaper flights to Chicago from Washington, D.C. when booking weeks ahead of your departure date. In general, you can expect to find flights to Chicago for around $284 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chicago from Washington, D.C. for as low as $221 on momondo.

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

There are 4 cabin classes available to choose from on Washington, D.C. to Chicago 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 Washington, D.C. to Chicago flights?

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

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

As of August 2025, prices for Washington, D.C. to Chicago flights are approximately 43% cheaper when compared to flights at the same time last year.

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

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

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

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

Best Price Found

$43

Fastest flight time

1h 55m

Direct flights

Every day

Airports in Chicago

2 airports
The best one-way flight to Chicago from Washington, D.C. in the past 72 hours is $43. The best round-trip flight deal from Washington, D.C. to Chicago found on momondo in the last 72 hours is $88.
The fastest flight from Washington, D.C. to Chicago takes 1h 55m
Direct flights go from Washington, D.C. to Chicago every day.
There are 2 airports near Chicago: Chicago O'Hare Intl (ORD), Chicago Midway (MDW)

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

    The quickest way is to book a flight from Washington, D.C. to Chicago, which can be as quick as 1h 55m onboard Southwest. You can also get a train from Washington, D.C. to Chicago, or a bus from Washington, D.C. to Chicago which can take you longer to arrive at your destination.

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

    The cheapest way is to get a flight from Washington, D.C. to Chicago, which can be as cheap as $88. A train from Washington, D.C. to Chicago is more expensive than a flight, with prices starting at $202. A bus from Washington, D.C. to Chicago is also an option, with an average price of $144.

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

    The straight-line distance from Washington, D.C. to Chicago is 593.1 mi. 1h 55m is a normal flight duration for this route.

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

    Prices for flights from Washington, D.C. to Chicago are refreshed on a daily basis.

  • How many operators does momondo search for flights from Washington, D.C. to Chicago?

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington, D.C. to Chicago.

  • What documentation or ID do you need to fly to Chicago?

    The travel and health documents you'll need for your trip to Chicago may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Chicago. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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

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


Best airlines flying from Washington, D.C. to Chicago

Compare and see reviews for airlines that fly from Washington, D.C. to Chicago with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $46Free CancellationRating
6.3
8,052 reviews
Search Spirit Airlines flights
FrontierPriceFrom $62Free CancellationRating
5.8
3,232 reviews
Search Frontier flights
DeltaPriceFrom $98Free CancellationRating
8.0
7,990 reviews
Search Delta flights
American AirlinesPriceFrom $157Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
SouthwestPriceFrom $157Free CancellationRating
8.0
4,247 reviews
Search Southwest flights
United AirlinesPriceFrom $158Free CancellationRating
7.4
8,910 reviews
Search United Airlines flights
  • Southwest Flights From Washington, D.C. to Chicago

    Southwest flies from Washington, D.C. to Chicago around 14 times per week, with 4,247 momondo users rating the airline 8.0/10. The cheapest Southwest deal from Washington, D.C. to Chicago in the last 72 hours was $157 (round-trip), much lower than the average airfare cost of $291 for Southwest flights on this route.

  • United Airlines Flights From Washington, D.C. to Chicago

    The best United Airlines deal for Washington, D.C. to Chicago flight tickets found on momondo in the last 72 hours was $158, round-trip. It should be noted that an average United Airlines flight deal for this route in this time was higher, at $293 round-trip. United Airlines operates 79 flights out of Washington, D.C. into Chicago in an average week, so prices vary by time and availability. 8,910 United Airlines reviews by users on momondo have scored the airline at 7.4/10.


Traveling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
Merrillville
New Buffalo
Hammond
Benton Harbor
Saint Joseph
Lansing
Portage
Schererville
Valparaiso
Crown Point
Munster
Chesterton
Monticello
Porter
Griffith
Saint John

Why use momondo?

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

It is quick and easy to find Washington, D.C. to Chicago flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Chicago that suits you.

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

Flights from Washington, D.C. to Chicago with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once you have performed a search for Washington, D.C. to Chicago flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Price alerts on flights to Chicago from Washington, D.C. are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.


An easier way to manage your Chicago trip

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

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sun 8/10
Sun 8/17

Find better results for your trip to the United States

Fly into one of these airports located in Chicago

Airports listed have a maximum distance of 78.5 mi from Chicago