Find Cheap Flights from Washington, D.C. to Chicago (WAS - CHI)

Flights overview

Useful information for finding cheap flights from Washington, D.C. to Chicago and booking your next trip

Cheapest round-trip flights	$111	Frontier Nonstop 3 hr Thu, Apr 16 — Mon, Apr 20	The cheapest round-trip flight from Washington, D.C. to Chicago is currently $111
Cheapest one-way flight	$44	Frontier Nonstop 3 hr Thu, Apr 16	The cheapest one-way flight from Washington, D.C. to Chicago is currently $44
Last-minute weekend getaway	$254	Frontier 1 stop 7 hr Sat, Mar 7 — Mon, Mar 9	The cheapest last-minute weekend getaway from Washington, D.C. to Chicago is currently $254
Cheapest business class flights	$382	Frontier 1 stop 6 hr Sat, Apr 18 — Sun, Apr 19	The cheapest business class round-trip flight from Washington, D.C. to Chicago is currently $382

Fastest flight	1 hr 55 min	The fastest nonstop flight from Washington, D.C. to Chicago takes 1 hr 55 min
Nonstop flights	Every day	There are direct flights on this route every day.

When is the cheapest time to fly?

The cheapest month to fly from Washington, D.C. to Chicago is typically January. The most expensive month to fly is typically March.

January Cheapest	Typical prices: $60–210
March Most expensive	Typical prices: $160–275

Popular airlines from Washington, D.C. to Chicago

United

Nonstop

from $197

Typical price: $160–330

125 weekly nonstop flights

BWI, DCA, IAD - ORD Every day

1377 weekly connecting flights

BWI, DCA, IAD - ORD Every day
Southwest

Nonstop

from $197

Typical price: $165–335

69 weekly nonstop flights

BWI, DCA - MDW Every day

3868 weekly connecting flights

BWI, DCA, IAD - MDW, ORD Every day
American

Nonstop

from $197

Typical price: $175–345

84 weekly nonstop flights

BWI, DCA - ORD Every day

1282 weekly connecting flights

BWI, DCA, IAD - ORD Every day
Delta

from $217

Typical price: $195–470

1472 weekly connecting flights

BWI, DCA, IAD - MDW, ORD Every day
Frontier

Nonstop

from $111

Typical price: $120–265

2 weekly nonstop flights

BWI - ORD Every Mon, Fri

104 weekly connecting flights

BWI, DCA, IAD - MDW, ORD Every day
Alaska

from $405

Typical price: $510–1,200

62 weekly connecting flights

BWI, DCA, IAD - ORD Every day

Popular airports near Washington, D.C.

Ronald Reagan Washington National Airport (DCA)

Washington United States 17 min 4 mi
Dulles International Airport (IAD)

Washington United States 54 min 22 mi
Baltimore/Washington International Thurgood Marshall Airport (BWI) (BWI)

Baltimore United States 47 min 27 mi
Philadelphia International Airport (PHL)

Philadelphia United States 2 hr 18 min 116 mi

Popular airports near Chicago

Chicago O'Hare International Airport (ORD)

Chicago United States 26 min 16 mi
Chicago Midway International Airport (MDW)

Chicago United States 25 min 9 mi
Milwaukee Mitchell International Airport (MKE)

Milwaukee United States 1 hr 24 min 75 mi
Indianapolis International Airport (IND)

Indianapolis United States 2 hr 59 min 165 mi

Frequently asked questions about flying from Washington, D.C. to Chicago

The cheapest flights from Washington, D.C. to Chicago are usually in January. Typical ticket prices in January range from $60 to $210.

The cheapest round-trip flight from Washington, D.C. to Chicago recently found on Google Flights was with Frontier from $111. The cheapest one-way flight was with Frontier from $44.

Some of the cheapest round-trip deals we found with different airlines:

The cheapest United flight from Washington, D.C. to Chicago is $197, flying from Apr 16 to Apr 19.
The cheapest Southwest flight from Washington, D.C. to Chicago is $197, flying from Apr 23 to Apr 26.
The cheapest American flight from Washington, D.C. to Chicago is $197, flying from May 1 to May 4.
The cheapest Delta flight from Washington, D.C. to Chicago is $217, flying from May 9 to May 11.
The cheapest Frontier flight from Washington, D.C. to Chicago is $111, flying from Apr 16 to Apr 20.
The cheapest Alaska flight from Washington, D.C. to Chicago is $405, flying from May 2 to May 4.

The cheapest round-trip flight from Washington, D.C. to Chicago starts at $111 from Thu, Apr 16 to Mon, Apr 20. The cheapest one-way flight starts at $44 and departs on Thu, Apr 16.

1 hr 55 min is the shortest flight time from Washington, D.C. to Chicago.

Chicago's peak season is Jun–Aug. Popular events throughout year include St. Patrick's Day, when the river is tinted green (Mar 17); the Pride Parade (Jun); the Taste of Chicago culinary festival (Jul) and the Jazz Festival (Sep). During the holiday season (Nov–Dec), the Magnificent Mile Lights Festival and Christkindlmarket, a German Christmas market in Daley Plaza, draw crowds to the city.

It's easy to use Google Flights to find the cheapest days to fly from Washington, D.C. to Chicago.
Just click the Departure label near the top of the page to open the calendar. Choose a start date and a return date to see how the round-trip fare changes on those specific days.
Adjust the trip type to see one-way fares. The cheapest available flights are highlighted and easy to spot. Once you settle on dates, click the Search button to see flight options and book the deal.

You can also turn on price tracking to get alerts if the price changes for a route or flight.

What counts as the best airline for your flights from Washington, D.C. to Chicago really depends on your individual needs. You may have a favorite carrier or a loyalty program you like, but price, convenience, and airports served also come into play. Flexibility and booking terms – Can you change flights if you want to stay longer or get a refund if you have to postpone your trip? – are also factors that help determine which airline is best to fly from Washington, D.C. to Chicago.

In terms of nonstop flights, United is the most popular. United offers 125 nonstop flights and 1,377 connecting flights per week. United flies from Baltimore/Washington International Thurgood Marshall Airport (BWI) (BWI) , Ronald Reagan Washington National Airport (DCA) , Dulles International Airport (IAD) to Chicago O'Hare International Airport (ORD) .

In terms of flights, Southwest is the most popular. Southwest offers 69 nonstop flights and 3,868 connecting flights per week. Southwest flies from Baltimore/Washington International Thurgood Marshall Airport (BWI) (BWI) , Ronald Reagan Washington National Airport (DCA) , Dulles International Airport (IAD) to Chicago Midway International Airport (MDW) , Chicago O'Hare International Airport (ORD) .

Other popular airlines flying from Washington, D.C. to Chicago are:

American offers 84 nonstop flights and 1,282 connecting flights per week. American flies from Baltimore/Washington International Thurgood Marshall Airport (BWI) (BWI) , Ronald Reagan Washington National Airport (DCA) , Dulles International Airport (IAD) to Chicago O'Hare International Airport (ORD) .
Delta offers 1,472 connecting flights per week. Delta flies from Baltimore/Washington International Thurgood Marshall Airport (BWI) (BWI) , Ronald Reagan Washington National Airport (DCA) , Dulles International Airport (IAD) to Chicago Midway International Airport (MDW) , Chicago O'Hare International Airport (ORD) .
Frontier offers 2 nonstop flights and 104 connecting flights per week. Frontier flies from Baltimore/Washington International Thurgood Marshall Airport (BWI) (BWI) , Ronald Reagan Washington National Airport (DCA) , Dulles International Airport (IAD) to Chicago Midway International Airport (MDW) , Chicago O'Hare International Airport (ORD) .
Alaska offers 62 connecting flights per week. Alaska flies from Baltimore/Washington International Thurgood Marshall Airport (BWI) (BWI) , Ronald Reagan Washington National Airport (DCA) , Dulles International Airport (IAD) to Chicago O'Hare International Airport (ORD) .

The number of connecting flights refers to distinct flights with at least one stop between Washington, D.C. and Chicago.

The cheapest round-trip flight from Washington, D.C. to Chicago recently found on Google Flights was with Frontier from $111. The cheapest one-way flight was with Frontier from $44.

Some of the cheapest round-trip deals we found with different airlines:

The cheapest United flight from Washington, D.C. to Chicago is $197, flying from Apr 16 to Apr 19.
The cheapest Southwest flight from Washington, D.C. to Chicago is $197, flying from Apr 23 to Apr 26.
The cheapest American flight from Washington, D.C. to Chicago is $197, flying from May 1 to May 4.
The cheapest Delta flight from Washington, D.C. to Chicago is $217, flying from May 9 to May 11.
The cheapest Frontier flight from Washington, D.C. to Chicago is $111, flying from Apr 16 to Apr 20.
The cheapest Alaska flight from Washington, D.C. to Chicago is $405, flying from May 2 to May 4.

Southwest, American, United and Frontier fly direct from Washington, D.C. to Chicago.

There are 125 United direct flights from Washington, D.C. to Chicago per week. Flights are available every day.
There are 69 Southwest direct flights from Washington, D.C. to Chicago per week. Flights are available every day.
There are 84 American direct flights from Washington, D.C. to Chicago per week. Flights are available every day.
There are 2 Frontier direct flights from Washington, D.C. to Chicago per week. Flights are available on Monday and Friday.

Use the Stops filter while searching for flights, to see only nonstop options in your results.

The cheapest last-minute deal between Washington, D.C. and Chicago at price $254 is offered by Frontier from Sat, Mar 7 to Mon, Mar 9.

Southwest, American, United and Frontier fly direct from Washington, D.C. to Chicago.

There are 125 United direct flights from Washington, D.C. to Chicago per week. Flights are available every day.
There are 69 Southwest direct flights from Washington, D.C. to Chicago per week. Flights are available every day.
There are 84 American direct flights from Washington, D.C. to Chicago per week. Flights are available every day.
There are 2 Frontier direct flights from Washington, D.C. to Chicago per week. Flights are available on Monday and Friday.

Use the Stops filter while searching for flights, to see only nonstop options in your results.

There are direct flights from Washington, D.C. to Chicago on a daily basis.

The cheapest direct (nonstop) round-trip flights between Washington, D.C. and Chicago start at $111 from Thu, Apr 16 to Mon, Apr 20 with Frontier.

It's easy to find nonstop flights with Google Flights! Once you've searched for flights from Washington, D.C. to Chicago, just select the nonstop flights only option in the 'Stops’ filter in the search form and view all available direct flights and their prices.

The cheapest business class round-trip flights between Washington, D.C. and Chicago start at $382 from Sat, Apr 18 to Sun, Apr 19 with Frontier.

The cheapest economy class round-trip flights between Washington, D.C. and Chicago start at $111 from Thu, Apr 16 to Mon, Apr 20.

To book business class trips from Washington, D.C. to Chicago, look for the default Economy selection at the top, and change it to your desired cabin class such as Premium Economy, Business Class, or First Class. You can then select your departure and arrival dates, consider available options, and book your business travel.

You can also adjust the trip type to view one-way fares.

The best last-minute getaway deal for the next weekend between Washington, D.C. and Chicago starts at $254 from Sat, Mar 7 to Mon, Mar 9 with Frontier.

The cheapest last-minute deal between Washington, D.C. and Chicago at price $254 is offered by Frontier from Sat, Mar 7 to Mon, Mar 9.

To find last-minute flight deals from Washington, D.C. to Chicago, start by entering the city names, select the desired departure and return dates, and hit the Search button to view flight options.

You can check for last-minute flights for the same day or adjust the trip type to see one-way fares.