What is the cheapest airline that flies from Chicago to Washington, D.C.?

Frontier, Southwest, and United Airlines are the most popular carriers operating from Chicago to Washington, D.C.

What airlines fly to Washington, D.C.?

United Airlines, American Airlines and Southwest are the top three most popular airlines that fly to Washington, D.C. from Chicago according to our data. United Airlines is the first choice among our users, with 46% of people opting to fly with this airline when traveling to Washington, D.C.. Keep in mind that there are 6 different airlines that fly to Washington, D.C. on a routine basis, so you have a few additional options to choose from.

How many flights depart from Chicago to Washington, D.C. on average per week?

As of September 2025, there are 715 flights per week flying from Chicago to Washington, D.C.. The most common day of the week flights depart is Mon, with 17% of flights taking off on this day.

How many flights depart from Chicago to Washington, D.C. on average per day?

The number of flights available between Chicago and Washington, D.C. is 102 per day as of September 2025. The most frequent departure time is 10:00AM, with 40% of daily flights leaving at noon.

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

Based on just travel duration our users have found a flight from Chicago to Washington, D.C. to be the fastest option to their destination at just 1h 45m. If travel time is less of a concern you may want to look into booking some alternative forms of transportation like a train from Chicago to Washington, D.C. or a bus from Chicago to Washington, D.C..

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

A flight from Chicago to Washington, D.C. is currently going to be the least expensive option currently available. You can also find deals for a train from Chicago to Washington, D.C. starting at $202, or consider a bus from Chicago to Washington, D.C. starting at $145. Both of these alternative options are worth considering when looking to reach your destination.

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

Prices for flights from Chicago to Washington, D.C. were last updated today.

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

As of September 2025, there are 6 operators available to choose from for flights from Chicago to Washington, D.C..

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.

$59 Cheap Flights from Chicago to Washington, D.C. in 2025/26

Q: What is the typical price of a round-trip flight between Chicago and Washington, D.C.?

Prices are currently low for flights on this route. Typical prices usually range from $139 to $299. The lowest price recently found on this route was $88.

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Find the cheapest flights from Chicago to Washington, D.C.

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

12:48 pm - 3:51 pmORD-BWI

2h 03mnonstop

5:04 pm - 6:20 pmBWI-ORD

2h 16mnonstop

$88Frontier

Find Deal

Fri, Oct 17 - Mon, Oct 20

12:48 pm - 3:51 pmORD-BWI

2h 03mnonstop

8:48 pm - 10:17 pmBWI-ORD

2h 29mnonstop

$89Frontier

Find Deal

Fri, Oct 17 - Sun, Oct 19

3:11 pm - 6:05 pmORD-BWI

1h 54mnonstop

5:44 pm - 7:01 pmBWI-ORD

2h 17mnonstop

$99Spirit Airlines

Find Deal

Fri, Nov 14 - Sun, Nov 16

3:11 pm - 6:05 pmORD-BWI

1h 54mnonstop

5:44 pm - 7:01 pmBWI-ORD

2h 17mnonstop

$100Spirit Airlines

Find Deal

Fri, Nov 7 - Sun, Nov 9

10:55 am - 1:50 pmORD-BWI

1h 55mnonstop

1:10 pm - 2:19 pmBWI-ORD

2h 09mnonstop

$139United Airlines

Find Deal

Wed, Dec 10 - Sat, Dec 13

6:00 am - 10:59 amORD-DCA

3h 59m1 stop

12:31 pm - 1:43 pmDCA-ORD

2h 12mnonstop

$202American Airlines

Find Deal

Tue, Oct 7 - Tue, Oct 7

11:40 am - 2:28 pmORD-DCA

1h 48mnonstop

5:54 pm - 9:25 pmDCA-ORD

4h 31m1 stop

$203American Airlines

Find Deal

Fri, Oct 31 - Fri, Oct 31

7:00 am - 4:28 pmORD-IAD

8h 28m1 stop

6:50 pm - 7:58 pmIAD-ORD

2h 08mnonstop

$227United Airlines

Find Deal

Tue, Oct 7 - Tue, Oct 7

12:20 pm - 3:10 pmMDW-DCA

1h 50mnonstop

8:55 pm - 10:00 pmDCA-MDW

2h 05mnonstop

$237Southwest

Find Deal

Wed, Oct 8 - Tue, Oct 14

11:25 am - 4:10 pmMDW-DCA

3h 45m1 stop

9:30 am - 10:35 amDCA-MDW

2h 05mnonstop

$243Southwest

Find Deal

Tue, Nov 4 - Wed, Nov 5

Delta flights from Chicago to Washington, D.C.

Our best Delta deals on Chicago to Washington, D.C. flight tickets

Delta

Feb 18

MDW1:05 pmChicago Midway

4h 37m

1 stop

IAD6:42 pmWashington, D.C. Dulles Intl

Feb 25

IAD6:10 amWashington, D.C. Dulles Intl

3h 40m

1 stop

MDW8:50 amChicago Midway

$257

Find similar

Delta

Oct 31

MDW6:35 pmChicago Midway

3h 26m

1 stop

IAD11:01 pmWashington, D.C. Dulles Intl

Nov 4

IAD6:18 amWashington, D.C. Dulles Intl

7h 50m

1 stop

MDW1:08 pmChicago Midway

$267

Find similar

Delta

Oct 1

MDW10:35 amChicago Midway

7h 04m

1 stop

IAD6:39 pmWashington, D.C. Dulles Intl

Oct 4

IAD9:00 amWashington, D.C. Dulles Intl

7h 26m

1 stop

MDW3:26 pmChicago Midway

$367

Find similar

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

Our best United Airlines deals on Chicago to Washington, D.C. flight tickets

United Airlines

Dec 10

ORD10:55 amChicago O'Hare Intl

1h 55m

BWI1:50 pmBaltimore/Washington

Dec 13

BWI1:10 pmBaltimore/Washington

2h 09m

ORD2:19 pmChicago O'Hare Intl

$139

Find similar

United Airlines

Oct 7

ORD7:00 amChicago O'Hare Intl

8h 28m

1 stop

IAD4:28 pmWashington, D.C. Dulles Intl

Oct 7

IAD6:50 pmWashington, D.C. Dulles Intl

2h 08m

ORD7:58 pmChicago O'Hare Intl

$227

Find similar

United Airlines

Oct 14

ORD7:00 amChicago O'Hare Intl

1h 58m

DCA9:58 amWashington, D.C. Reagan-National

Oct 15

DCA7:00 pmWashington, D.C. Reagan-National

2h 15m

ORD8:15 pmChicago O'Hare Intl

$237

Find similar

momondo Fare Finder

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 10/17

12:48 pm-3:51 pm

Nonstop2h 03m

Baltimore/Washington

Mon 10/20

5:04 pm-6:20 pm

Nonstop2h 16m

$88

ChicagoBaltimore

ORD - BWI

ORDBWI

Chicago O'Hare Intl

Fri 10/17

12:48 pm-3:51 pm

Nonstop2h 03m

Baltimore/Washington

Sun 10/19

8:48 pm-10:17 pm

Nonstop2h 29m

$89

ChicagoBaltimore

ORD - BWI

ORDBWI

Chicago O'Hare Intl

Fri 11/14

3:11 pm-6:05 pm

Nonstop1h 54m

Baltimore/Washington

Sun 11/16

5:44 pm-7:01 pm

Nonstop2h 17m

$99

ChicagoBaltimore

ORD - BWI

ORDBWI

Chicago O'Hare Intl

Fri 11/7

3:11 pm-6:05 pm

Nonstop1h 54m

Baltimore/Washington

Sun 11/9

5:44 pm-7:01 pm

Nonstop2h 17m

$100

ChicagoBaltimore

ORD - BWI

ORDBWI

Chicago O'Hare Intl

Wed 12/10

10:55 am-1:50 pm

Nonstop1h 55m

Baltimore/Washington

Sat 12/13

1:10 pm-2:19 pm

Nonstop2h 09m

$139

ChicagoWashington, D.C.

ORD - DCA

ORDDCA

Chicago O'Hare Intl

Tue 10/7

6:00 am-10:59 am

1 stop3h 59m

Washington, D.C. Reagan-National

Tue 10/7

12:31 pm-1:43 pm

Nonstop2h 12m

$202

ChicagoWashington, D.C.

ORD - DCA

ORDDCA

Chicago O'Hare Intl

Fri 10/31

11:40 am-2:28 pm

Nonstop1h 48m

Washington, D.C. Reagan-National

Fri 10/31

5:54 pm-9:25 pm

1 stop4h 31m

$203

ChicagoWashington, D.C.

ORD - IAD

ORDIAD

Chicago O'Hare Intl

Tue 10/7

7:00 am-4:28 pm

1 stop8h 28m

Washington, D.C. Dulles Intl

Tue 10/7

6:50 pm-7:58 pm

Nonstop2h 08m

$227

ChicagoWashington, D.C.

MDW - DCA

MDWDCA

Chicago Midway

Wed 10/8

12:20 pm-3:10 pm

Nonstop1h 50m

Washington, D.C. Reagan-National

Tue 10/14

8:55 pm-10:00 pm

Nonstop2h 05m

$237

ChicagoWashington, D.C.

MDW - DCA

MDWDCA

Chicago Midway

Tue 11/4

11:25 am-4:10 pm

1 stop3h 45m

Washington, D.C. Reagan-National

Wed 11/5

9:30 am-10:35 am

Nonstop2h 05m

$243

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Other information

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 month of August is, on average, the cheapest month to fly to Washington, D.C. from Chicago, with most prices found around $164. If you’re not able to fly to Washington, D.C. in August, then September is your next best option. Flight prices from Chicago to Washington, D.C. during September average around $212.

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 Friday. momondo users have found tickets for Friday departures for as low as $302. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Chicago to Washington, D.C. for around $469.

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

In the morning is the cheapest time of day to fly from Chicago to Washington, D.C. when you can find flight prices for as low as $308. Flying to Washington, D.C. in the morning is an ideal time because this is during off-peak travel hours. Try not to purchase tickets at noon because they tend to be around $687. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

Fly from Chicago Midway to Baltimore/Washington 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 $307 when searching weeks out. 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 $247 on momondo.

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

There are 4 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 September 2025, prices for Chicago to Washington, D.C. flights are approximately 2% 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 round-trip 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	$89
Fastest flight time	1h 44m
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 $89. The best round-trip flight deal from Chicago to Washington, D.C. found on momondo in the last 72 hours is $111.

The fastest flight from Chicago to Washington, D.C. takes 1h 44m

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.?
Based on just travel duration our users have found a flight from Chicago to Washington, D.C. to be the fastest option to their destination at just 1h 45m. If travel time is less of a concern you may want to look into booking some alternative forms of transportation like a train from Chicago to Washington, D.C. or a bus from Chicago to Washington, D.C..
Is flying the cheapest way to get from Chicago to Washington, D.C.?
A flight from Chicago to Washington, D.C. is currently going to be the least expensive option currently available. You can also find deals for a train from Chicago to Washington, D.C. starting at $202, or consider a bus from Chicago to Washington, D.C. starting at $145. Both of these alternative options are worth considering when looking to reach your destination.
How far is Chicago to Washington, D.C. by plane?
Chicago and Washington, D.C. are 593.1 mi apart from one another. 1h 45m is a normal flight duration for this route.
When did momondo last update prices for flights from Chicago to Washington, D.C.?
Prices for flights from Chicago to Washington, D.C. were last updated today.
How many operators does momondo search for flights from Chicago to Washington, D.C.?
As of September 2025, there are 6 operators available to choose from for flights from Chicago to Washington, D.C..
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.?
Based on momondo bookings for flights between Chicago and Washington, D.C., the leading plane model is Airbus A320-100/200, making up 10.72% of the total bookings. Other popular models include Airbus A319 with 10.06%, Airbus A320neo with 9.55%, and Boeing 737-800 with 9.30%.
What is the most popular airline from Chicago to Washington, D.C.?
Based on momondo bookings for flights between Chicago and Washington, D.C., the leading airline is United Airlines, making up 27% of the total bookings. Other popular airlines include Frontier with 27%, Southwest with 25%, and American Airlines with 20%.

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

Compare and see reviews for airlines that fly from Chicago to Washington, D.C. with momondo

Airline	Rating	Free Cancellation	Price
Spirit Airlines	PriceFrom $45	Free Cancellation	Rating 6.3 8,023 reviews	Search Spirit Airlines flights
Frontier	PriceFrom $75	Free Cancellation	Rating 5.8 3,173 reviews	Search Frontier flights
American Airlines	PriceFrom $124	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
Southwest	PriceFrom $153	Free Cancellation	Rating 8.0 4,242 reviews	Search Southwest flights
United Airlines	PriceFrom $154	Free Cancellation	Rating 7.4 8,926 reviews	Search United Airlines flights
Delta	PriceFrom $166	Free Cancellation	Rating 7.9 7,961 reviews	Search Delta flights

Southwest Flights From Chicago to Washington, D.C.
Southwest is one of the most popular airlines flying from Chicago to Washington, D.C., operating 30 flights/week on average for this route. A good Southwest flight deal for Chicago to Washington, D.C. starts from $153 round-trip, up to an average price of $285. Our users have rated Southwest at 8.0/10.
United Airlines Flights From Chicago to Washington, D.C.
$154 is the best United Airlines flight deal from Chicago to Washington, D.C. found on momondo over the last 72 hours. The average United Airlines ticket price found was closer to $301, however, with flight time and availability significantly affecting the price. United Airlines (7.4/10 from 8,926 user reviews) flies into Washington, D.C. from Chicago 102 times in an average week so prices can vary.

Alexandria

Gettysburg

National Harbor

Arlington

Woodbridge

Waldorf

Tysons

Laurel

Colonial Beach

Silver Spring

Fredericksburg

Towson

Rockville

Manassas

Reston

Fairfax

Glen Burnie

Gaithersburg

Springfield

Linthicum Heights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Chicago to Washington, D.C.. momondo saves you time and could save you money on your trip.

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

momondo does allow users to show only those flights to Washington, D.C. from Chicago which offer a flexible booking policy as well as other useful filters and features.

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?

Price alerts on flights to Washington, D.C. from Chicago 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.

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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.

Washington, D.C. Reagan-National Airport

Washington, D.C. Dulles Intl Airport

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Cheap flights from Chicago to Washington, D.C. from $59

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 10/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

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Find the cheapest flights from Chicago to Washington, D.C.

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

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Delta flights from Chicago to Washington, D.C.

Our best Delta deals on Chicago to Washington, D.C. flight tickets

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

Our best United Airlines deals on Chicago to Washington, D.C. flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Chicago to Washington, D.C. that are best for you.

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.?

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

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

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

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

How far in advance should I book a flight to Washington, D.C.?

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

There are 4 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 September 2025, prices for Chicago to Washington, D.C. flights are approximately 2% cheaper when compared to flights at the same time last year.

What is the cheapest airline that flies from Chicago to Washington, D.C.?

Frontier, Southwest, and United Airlines are the most popular carriers operating from Chicago to Washington, D.C.

What airlines fly to Washington, D.C.?

How many flights depart from Chicago to Washington, D.C. on average per day?

The number of flights available between Chicago and Washington, D.C. is 102 per day as of September 2025. The most frequent departure time is 10:00AM, with 40% of daily flights leaving at noon.

How many flights depart from Chicago to Washington, D.C. on average per week?

As of September 2025, there are 715 flights per week flying from Chicago to Washington, D.C.. The most common day of the week flights depart is Mon, with 17% of flights taking off on this day.

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

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

Fastest flight time

Direct flights

Airports in Washington, D.C.

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

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

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

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

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

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

What documentation or ID do you need to fly to Washington, D.C.?

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

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

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

Compare and see reviews for airlines that fly from Chicago to Washington, D.C. with momondo

Southwest Flights From Chicago to Washington, D.C.

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

Traveling to a place near Washington, D.C.?

Why use momondo?

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

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

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

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

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

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.