Cheap Flights from Chicago to Washington, D.C.

Compare Chicago to Washington, D.C. flight deals

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Flight deals from Chicago to Washington, D.C.

Looking for a cheap last-minute deal or the best round-trip flight from Chicago to Washington, D.C.? If you want to travel next month, round-trip fares start from AED 478. Find the lowest prices on one-way and round-trip tickets right here.

Washington, D.C..AED 221 per passenger.Departing 2026-04-22.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departing from Chicago O'Hare International on 2026-04-22, arriving in Baltimore Washington International.Price includes taxes and charges.From AED 221, select.

Washington, D.C..AED 237 per passenger.Departing 2026-05-11.One-way flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departing from Chicago O'Hare International on 2026-05-11, arriving in Baltimore Washington International.Price includes taxes and charges.From AED 237, select.

Washington, D.C..AED 283 per passenger.Departing 2026-06-24.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departing from Chicago Midway on 2026-06-24, arriving in Baltimore Washington International.Price includes taxes and charges.From AED 283, select.

Washington, D.C..AED 323 per passenger.Departing 2026-07-01.One-way flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departing from Chicago Midway on 2026-07-01, arriving in Washington Ronald Reagan.Price includes taxes and charges.From AED 323, select.

Washington, D.C..AED 323 per passenger.Departing 2026-06-03.One-way flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departing from Chicago Midway on 2026-06-03, arriving in Baltimore Washington International.Price includes taxes and charges.From AED 323, select.

Washington, D.C..AED 325 per passenger.Departing 2026-08-18.One-way flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departing from Chicago Midway on 2026-08-18, arriving in Washington Ronald Reagan.Price includes taxes and charges.From AED 325, select.

Washington, D.C..AED 325 per passenger.Departing 2026-04-29.One-way flight with United.Outbound direct flight with United departing from Chicago O'Hare International on 2026-04-29, arriving in Washington Ronald Reagan.Price includes taxes and charges.From AED 325, select.

Washington, D.C..AED 423 per passenger.Departing 2026-09-06.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departing from Chicago O'Hare International on 2026-09-06, arriving in Baltimore Washington International.Price includes taxes and charges.From AED 423, select.

Washington, D.C..AED 527 per passenger.Departing 2026-10-13.One-way flight with American Airlines.Outbound direct flight with American Airlines departing from Chicago O'Hare International on 2026-10-13, arriving in Baltimore Washington International.Price includes taxes and charges.From AED 527, select.

Washington, D.C..AED 532 per passenger.Departing 2026-09-17.One-way flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departing from Chicago Midway on 2026-09-17, arriving in Baltimore Washington International.Price includes taxes and charges.From AED 532, select.

Washington, D.C..AED 534 per passenger.Departing 2026-11-19.One-way flight with United.Outbound direct flight with United departing from Chicago O'Hare International on 2026-11-19, arriving in Washington Ronald Reagan.Price includes taxes and charges.From AED 534, select.

Washington, D.C..AED 534 per passenger.Departing 2026-12-17.One-way flight with United.Outbound direct flight with United departing from Chicago O'Hare International on 2026-12-17, arriving in Washington Dulles.Price includes taxes and charges.From AED 534, select.

Washington, D.C..AED 568 per passenger.Departing 2027-02-23.One-way flight with Delta.Outbound indirect flight with Delta, departing from Chicago Midway on 2027-02-23, arriving in Baltimore Washington International.Price includes taxes and charges.From AED 568, select.

Washington, D.C..AED 681 per passenger.Departing 2027-02-23.One-way flight with United.Outbound direct flight with United departing from Chicago O'Hare International on 2027-02-23, arriving in Washington Ronald Reagan.Price includes taxes and charges.From AED 681, select.

Find the cheapest month to fly from Chicago to Washington, D.C.

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Chicago to Washington, D.C. flights are currently cheapest in April.

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Direct flights from Chicago to Washington, D.C.

Alternative Chicago to Washington, D.C. routes

Looking for the cheapest, fastest or easiest route from Chicago to Washington, D.C.? You could fly into the following airports instead.

Chicago to Washington, D.C.: Flight information

The things to know before you go.

Cheapest flight found	AED 221
Cheapest month to fly	April
Average flight time	1 hr, 59 mins
Most popular airline	American Airlines
Average flights per week	1,118

Finding cheap flights from Chicago to Washington, D.C.: Frequently asked questions

How many airports are there in Washington, D.C.?

There are 5 airports in Washington, D.C.: Washington Ronald Reagan, Camp Springs Andrews AFB, Washington Dulles, Baltimore Washington International, and Manassas.

How much are round-trip flights from Chicago to Washington, D.C.?

The best price we found for a round-trip flight from Chicago to Washington, D.C. is AED 452. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.

How long does it take to fly from Chicago to Washington, D.C.?

1 hour and 58 minutes is the average flight time from Chicago to Washington, D.C..

Which airlines fly direct from Chicago to Washington, D.C.?

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

How many flights are there a week from Chicago to Washington, D.C.?

There are 1,118 flights per week flying from Chicago to Washington, D.C., as of April 2026.

When is the cheapest time to fly from Chicago to Washington, D.C.?

The cheapest month to fly from Chicago to Washington, D.C. is usually April.

What's the cheapest airport to fly to in Washington, D.C.?

If you're flying from Chicago, the cheapest airport near Washington, D.C. is Washington Dulles – which is 36.5 km away from the center of Washington, D.C.. We've found flights to this airport from AED 452.

Which upcoming date is cheapest to fly from Chicago to Washington, D.C. on?

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Chicago to Washington, D.C. on Tuesday, April 21, 2026.

Can I get a direct flight from Chicago to Washington, D.C.?

Yes – the average flight time is 1 hour and 58 minutes.

How can I get the best flight deal from Chicago to Washington, D.C.?

We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Washington, D.C. but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

When is the best time to book flights to Washington, D.C.?

We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to Washington, D.C. is around 40 days in advance, so don’t leave your flight to the last minute.

What’s the weather like in Washington, D.C.?

In April, the average temperature is usually around 12°C. July is typically the warmest month in Washington, D.C., when it usually averages around 31°C. You can expect the least rain in February. The coldest month is January, with temperatures averaging -4°C. The rainiest month is September.

Which is the cheapest airline to fly with from Chicago to Washington, D.C.?

The cheapest airline that flies to Washington, D.C. is Spirit Airlines, and the cheapest airline that flies to Camp Springs Andrews AFB Airport is Frontier Airlines.

Washington has two airports, Washington Dulles International Airport and Ronald Reagan Washington National Airport. There are five airlines operating flights from Chicago to Washington via Chicago O’Hare International Airport - American Airlines, American Eagle, Frontier Airlines, United Airlines and United Express, the shuttle service to United Airlines. Southwest Airlines operates a flight from Midway International Airport to Washington.

* This information is correct as of June 2017

Airport Information - Arriving

Washington Dulles International Airport is the main airport in Washington set within a single terminal complex, so you don’t have far to go if you need to transfer between flights. At the airport you will find an extensive range of amenities and facilities so you won’t be short on things to do. In addition to its many different shops which offer everything you would need, the airport is home to many places to eat and drink so you won’t go hungry. Once you have landed at Washington Dulles International Airport there are a number of bus services that can take you into the city, or you can find taxis available right outside the terminal building.

Ronald Reagan Washington National Airport is located only 5km from central Washington and is comprised of three passenger terminals. The airport offers everything in terms of amenities and facilities such as shops, restaurants and cafes so there is plenty to do to pass the time before continuing your journey.

Airport Information - Departing

Chicago O’Hare International Airport, often shortened simply to O’Hare Airport, is the primary airport serving Chicago located just over 25km from the city. Getting to the airport is easy if you won’t have a car as it is connected to the city on the CTA Blue Line which allows you to travel to the airport in around 45 minutes. All of the amenities and facilities you would expect of a modern airport can be enjoyed at Chicago O’Hare International Airport whether it’s places to eat and drink or shops to browse through, so you won’t be lacking in things to do while you wait to board your flight.

Chicago Midway Airport is Chicago's single passenger terminal domestic airport. The airport offers a decent range of amenities and services to ensure all of your needs are met whether it’s shops to pick up some last minute essentials or somewhere for a meal or a drink. Getting to the airport is possible on the CTA Orange Line from central Chicago which takes around 25 minutes.

What to Expect in Washington

While the weather in Washington is warm and pleasant over the summer, things can get pretty cold when winter comes and snowfall is not uncommon. You won’t need to get a visa when traveling between Chicago and Washington as it is a domestic route, but don’t forget to bring all your travel documents including your passport along. Check out the top hotels in Washington to make the most out of your stay.