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

Flights overview

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

Cheapest round-trip flights	$78	Frontier Nonstop 2 hr Thu, Feb 5 — Mon, Feb 9	The cheapest round-trip flight from Chicago to Washington, D.C. is currently $78
Cheapest one-way flight	$28	Frontier Nonstop 2 hr Mon, Feb 9	The cheapest one-way flight from Chicago to Washington, D.C. is currently $28
Cheapest nonstop flights	$61	Frontier Nonstop 3 hr Thu, Feb 26 — Sun, Mar 1	The cheapest nonstop round-trip flight from Chicago to Washington, D.C. is currently $61
Last-minute weekend getaway	$176	United 1 stop 17 hr Sat, Jan 24 — Sun, Jan 25	The cheapest last-minute weekend getaway from Chicago to Washington, D.C. is currently $176
Cheapest business class flights	$353	American Nonstop 2 hr Thu, Feb 19 — Mon, Feb 23	The cheapest business class round-trip flight from Chicago to Washington, D.C. is currently $353

Fastest flight	1 hr 44 min	The fastest nonstop flight from Chicago to Washington, D.C. takes 1 hr 44 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 Chicago to Washington, D.C. is typically January. The most expensive month to fly is typically April.

January Cheapest	Typical prices: $60–230
April Most expensive	Typical prices: $135–215

Popular airlines from Chicago to Washington, D.C.

United

Nonstop

from $139

Typical price: $155–320

122 weekly nonstop flights

ORD - BWI, DCA, IAD Every day

1436 weekly connecting flights

ORD - BWI, DCA, IAD Every day
Southwest

Nonstop

from $139

Typical price: $165–330

71 weekly nonstop flights

MDW - BWI, DCA Every day

3221 weekly connecting flights

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

Nonstop

from $139

Typical price: $175–335

70 weekly nonstop flights

ORD - BWI, DCA Every day

1128 weekly connecting flights

ORD - BWI, DCA, IAD Every day
Delta

from $177

Typical price: $195–450

1428 weekly connecting flights

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

Nonstop

from $78

Typical price: $115–260

4 weekly nonstop flights

ORD - BWI Every Mon, Thu, Fri, Sun

76 weekly connecting flights

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

from $405

Typical price: $540–1,350

62 weekly connecting flights

ORD - BWI, DCA, IAD Every day

Popular airports near Chicago

Chicago O'Hare International Airport (ORD)

Chicago United States 27 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 58 min 165 mi

Popular airports near Washington, D.C.

Ronald Reagan Washington National Airport (DCA)

Washington United States 18 min 4 mi
Dulles International Airport (IAD)

Washington United States 52 min 22 mi
Baltimore/Washington International Thurgood Marshall Airport (BWI) (BWI)

Baltimore United States 49 min 27 mi
Philadelphia International Airport (PHL)

Philadelphia United States 2 hr 20 min 116 mi

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

The cheapest flights from Chicago to Washington, D.C. are usually in January. Typical ticket prices in January range from $60 to $230.

The cheapest round-trip flight from Chicago to Washington, D.C. recently found on Google Flights was with Frontier from $78. The cheapest one-way flight was with Frontier from $28.

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

The cheapest United flight from Chicago to Washington, D.C. is $139, flying from Feb 26 to Mar 2.
The cheapest Southwest flight from Chicago to Washington, D.C. is $139, flying from Feb 19 to Feb 23.
The cheapest American flight from Chicago to Washington, D.C. is $139, flying from Feb 19 to Feb 23.
The cheapest Delta flight from Chicago to Washington, D.C. is $177, flying from Feb 26 to Mar 2.
The cheapest Frontier flight from Chicago to Washington, D.C. is $78, flying from Feb 5 to Feb 9.
The cheapest Alaska flight from Chicago to Washington, D.C. is $405, flying from Feb 27 to Mar 2.

The cheapest round-trip flight from Chicago to Washington, D.C. starts at $78 from Thu, Feb 5 to Mon, Feb 9. The cheapest one-way flight starts at $28 and departs on Mon, Feb 9.

1 hr 44 min is the shortest flight time from Chicago to Washington, D.C..

Mid-Mar–Jun is Washington DC's busiest time, with many people timing their visits to coincide with cherry blossom season (late Mar–mid Apr). Washington DC’s conference centers and hotels also bustle while Congress is in session (Sep–Nov and mid-Jan–Jun). Jul–Aug tend to be hot and humid, while snowfall can vary widely in winter. The city’s most popular events are the annual Cherry Blossom Festival in spring, the 4th of July celebration in summer, and the lighting of the National Christmas Tree in winter.

It's easy to use Google Flights to find the cheapest days to fly from Chicago to Washington, D.C..
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 Chicago to Washington, D.C. 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 Chicago to Washington, D.C..

In terms of nonstop flights, United is the most popular. United offers 122 nonstop flights and 1,436 connecting flights per week. United flies from Chicago O'Hare International Airport (ORD) to Baltimore/Washington International Thurgood Marshall Airport (BWI) (BWI) , Ronald Reagan Washington National Airport (DCA) , Dulles International Airport (IAD) .

In terms of flights, Southwest is the most popular. Southwest offers 71 nonstop flights and 3,221 connecting flights per week. Southwest flies from Chicago Midway International Airport (MDW) , Chicago O'Hare International Airport (ORD) to Baltimore/Washington International Thurgood Marshall Airport (BWI) (BWI) , Ronald Reagan Washington National Airport (DCA) , Dulles International Airport (IAD) .

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

American offers 70 nonstop flights and 1,128 connecting flights per week. American flies from Chicago O'Hare International Airport (ORD) to Baltimore/Washington International Thurgood Marshall Airport (BWI) (BWI) , Ronald Reagan Washington National Airport (DCA) , Dulles International Airport (IAD) .
Delta offers 1,428 connecting flights per week. Delta flies from Chicago Midway International Airport (MDW) , Chicago O'Hare International Airport (ORD) to Baltimore/Washington International Thurgood Marshall Airport (BWI) (BWI) , Ronald Reagan Washington National Airport (DCA) , Dulles International Airport (IAD) .
Frontier offers 4 nonstop flights and 76 connecting flights per week. Frontier flies from Chicago Midway International Airport (MDW) , Chicago O'Hare International Airport (ORD) to Baltimore/Washington International Thurgood Marshall Airport (BWI) (BWI) , Ronald Reagan Washington National Airport (DCA) , Dulles International Airport (IAD) .
Alaska offers 62 connecting flights per week. Alaska flies from Chicago O'Hare International Airport (ORD) to Baltimore/Washington International Thurgood Marshall Airport (BWI) (BWI) , Ronald Reagan Washington National Airport (DCA) , Dulles International Airport (IAD) .

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

The cheapest round-trip flight from Chicago to Washington, D.C. recently found on Google Flights was with Frontier from $78. The cheapest one-way flight was with Frontier from $28.

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

The cheapest United flight from Chicago to Washington, D.C. is $139, flying from Feb 26 to Mar 2.
The cheapest Southwest flight from Chicago to Washington, D.C. is $139, flying from Feb 19 to Feb 23.
The cheapest American flight from Chicago to Washington, D.C. is $139, flying from Feb 19 to Feb 23.
The cheapest Delta flight from Chicago to Washington, D.C. is $177, flying from Feb 26 to Mar 2.
The cheapest Frontier flight from Chicago to Washington, D.C. is $78, flying from Feb 5 to Feb 9.
The cheapest Alaska flight from Chicago to Washington, D.C. is $405, flying from Feb 27 to Mar 2.

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

There are 122 United direct flights from Chicago to Washington, D.C. per week. Flights are available every day.
There are 71 Southwest direct flights from Chicago to Washington, D.C. per week. Flights are available every day.
There are 70 American direct flights from Chicago to Washington, D.C. per week. Flights are available every day.
There are 4 Frontier direct flights from Chicago to Washington, D.C. per week. Flights are available on Monday, Thursday, Friday and Sunday.

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

The cheapest last-minute deal between Chicago and Washington, D.C. at price $176 is offered by United from Sat, Jan 24 to Sun, Jan 25.

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

There are 122 United direct flights from Chicago to Washington, D.C. per week. Flights are available every day.
There are 71 Southwest direct flights from Chicago to Washington, D.C. per week. Flights are available every day.
There are 70 American direct flights from Chicago to Washington, D.C. per week. Flights are available every day.
There are 4 Frontier direct flights from Chicago to Washington, D.C. per week. Flights are available on Monday, Thursday, Friday and Sunday.

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

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

The cheapest direct (nonstop) round-trip flights between Chicago and Washington, D.C. start at $61 from Thu, Feb 26 to Sun, Mar 1 with Frontier.

It's easy to find nonstop flights with Google Flights! Once you've searched for flights from Chicago to Washington, D.C., 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 Chicago and Washington, D.C. start at $353 from Thu, Feb 19 to Mon, Feb 23 with American.

The cheapest economy class round-trip flights between Chicago and Washington, D.C. start at $78 from Thu, Feb 5 to Mon, Feb 9.

To book business class trips from Chicago to Washington, D.C., 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 Chicago and Washington, D.C. starts at $176 from Sat, Jan 24 to Sun, Jan 25 with United.

The cheapest last-minute deal between Chicago and Washington, D.C. at price $176 is offered by United from Sat, Jan 24 to Sun, Jan 25.

To find last-minute flight deals from Chicago to Washington, D.C., 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.