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 August 2025, there are 685 flights per week flying from Chicago to Washington, D.C.. The most common day of the week flights depart is Thu, with 17% of flights taking off on this day.

Which layover airport has the shortest travel time from Chicago to Washington, D.C.?

Flights connecting via Detroit (DTW) have the shortest average one-way travel time: 4h 40m.

Which airport is the most popular layover for flights between Chicago and Washington, D.C.?

Atlanta (ATL) was the most common stop: 35% of momondo users choosing 1-stop flights on this route connected there.

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 97 per day as of August 2025. The most frequent departure time is 8:00PM, with 36% of daily flights leaving in the afternoon.

Which layover airport offers the lowest fares from Chicago to Washington, D.C.?

Flights via Tampa (TPA) offer the lowest average round-trip price of $107.

Which layover airport has the shortest connection time from Chicago to Washington, D.C.?

Detroit (DTW) has the shortest average layover time for this route: 1h 20m.

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

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

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 $184, or consider a bus from Chicago to Washington, D.C. starting at $148. 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 August 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.

$64 Cheap Flights from Chicago to Washington, D.C. (CHI-WAS) in 2025

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

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

12:30 pm - 3:27 pmMDW-BWI

1h 57mnonstop

4:12 pm - 5:13 pmBWI-MDW

2h 01mnonstop

$100Frontier

Find Deal

Thu, Oct 23 - Sat, Oct 25

6:10 am - 9:02 amORD-BWI

1h 52mnonstop

4:00 pm - 10:48 pmBWI-ORD

7h 48m1 stop

$100Spirit Airlines

Find Deal

Sun, Sep 14 - Wed, Sep 17

6:10 am - 9:02 amORD-BWI

1h 52mnonstop

9:59 pm - 11:20 pmBWI-ORD

2h 21mnonstop

$124

Find Deal

Thu, Sep 11 - Thu, Sep 11

6:11 pm - 9:14 pmORD-BWI

2h 03mnonstop

9:57 am - 11:10 amBWI-ORD

2h 13mnonstop

$134

Find Deal

Fri, Sep 12 - Sun, Sep 21

7:55 am - 10:45 amMDW-BWI

1h 50mnonstop

1:25 pm - 2:25 pmBWI-MDW

2h 00mnonstop

$139Southwest

Find Deal

Wed, Oct 29 - Wed, Oct 29

1:50 pm - 4:55 pmORD-BWI

2h 05mnonstop

10:35 am - 11:50 amBWI-ORD

2h 15mnonstop

$139Southwest

Find Deal

Wed, Sep 24 - Sat, Sep 27

11:30 am - 2:24 pmORD-DCA

1h 54mnonstop

3:28 pm - 7:05 pmDCA-ORD

4h 37m1 stop

$193American Airlines

Find Deal

Wed, Sep 24 - Wed, Sep 24

10:43 am - 1:49 pmORD-IAD

2h 06mnonstop

3:55 pm - 5:10 pmIAD-ORD

2h 15mnonstop

$197United Airlines

Find Deal

Mon, Sep 15 - Mon, Sep 22

6:10 am - 9:00 amORD-DCA

1h 50mnonstop

3:59 pm - 5:23 pmDCA-ORD

2h 24mnonstop

$197American Airlines

Find Deal

Sat, Sep 13 - Sat, Sep 13

8:00 am - 10:58 amORD-DCA

1h 58mnonstop

11:10 am - 2:55 pmDCA-ORD

4h 45m1 stop

$207United Airlines

Find Deal

Tue, Sep 16 - Tue, Sep 23

Delta flights from Chicago to Washington, D.C.

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

Delta

Sep 16

MDW6:15 pmChicago Midway

3h 51m

1 stop

IAD11:06 pmWashington, D.C. Dulles Intl

Sep 17

IAD1:00 pmWashington, D.C. Dulles Intl

6h 35m

1 stop

MDW6:35 pmChicago Midway

$217

Find similar

Delta

Sep 4

MDW6:00 amChicago Midway

4h 23m

1 stop

IAD11:23 amWashington, D.C. Dulles Intl

Sep 6

IAD6:00 amWashington, D.C. Dulles Intl

3h 35m

1 stop

MDW8:35 amChicago Midway

$257

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

Sep 15

ORD10:43 amChicago O'Hare Intl

2h 06m

IAD1:49 pmWashington, D.C. Dulles Intl

Sep 22

IAD3:55 pmWashington, D.C. Dulles Intl

2h 15m

ORD5:10 pmChicago O'Hare Intl

$197

Find similar

United Airlines

Sep 16

ORD8:00 amChicago O'Hare Intl

1h 58m

DCA10:58 amWashington, D.C. Reagan-National

Sep 23

DCA11:10 amWashington, D.C. Reagan-National

4h 45m

1 stop

ORD2:55 pmChicago O'Hare Intl

$207

Find similar

United Airlines

Aug 30

ORD10:43 amChicago O'Hare Intl

2h 06m

IAD1:49 pmWashington, D.C. Dulles Intl

Sep 3

IAD8:20 amWashington, D.C. Dulles Intl

2h 16m

ORD9:36 amChicago O'Hare Intl

$307

Find similar

Fly from

Fly to

Route

Depart

Return

Price

ChicagoBaltimore

MDW - BWI

MDWBWI

Chicago Midway

Thu 10/23

12:30 pm-3:27 pm

Nonstop1h 57m

Baltimore/Washington

Sat 10/25

4:12 pm-5:13 pm

Nonstop2h 01m

$100

ChicagoBaltimore

ORD - BWI

ORDBWI

Chicago O'Hare Intl

Sun 9/14

6:10 am-9:02 am

Nonstop1h 52m

Baltimore/Washington

Wed 9/17

4:00 pm-10:48 pm

1 stop7h 48m

$100

ChicagoBaltimore

ORD - BWI

ORDBWI

Chicago O'Hare Intl

Thu 9/11

6:10 am-9:02 am

Nonstop1h 52m

Baltimore/Washington

Thu 9/11

9:59 pm-11:20 pm

Nonstop2h 21m

$124

ChicagoBaltimore

ORD - BWI

ORDBWI

Chicago O'Hare Intl

Fri 9/12

6:11 pm-9:14 pm

Nonstop2h 03m

Baltimore/Washington

Sun 9/21

9:57 am-11:10 am

Nonstop2h 13m

$134

ChicagoBaltimore

MDW - BWI

MDWBWI

Chicago Midway

Wed 10/29

7:55 am-10:45 am

Nonstop1h 50m

Baltimore/Washington

Wed 10/29

1:25 pm-2:25 pm

Nonstop2h 00m

$139

ChicagoBaltimore

ORD - BWI

ORDBWI

Chicago O'Hare Intl

Wed 9/24

1:50 pm-4:55 pm

Nonstop2h 05m

Baltimore/Washington

Sat 9/27

10:35 am-11:50 am

Nonstop2h 15m

$139

ChicagoWashington, D.C.

ORD - DCA

ORDDCA

Chicago O'Hare Intl

Wed 9/24

11:30 am-2:24 pm

Nonstop1h 54m

Washington, D.C. Reagan-National

Wed 9/24

3:28 pm-7:05 pm

1 stop4h 37m

$193

ChicagoWashington, D.C.

ORD - IAD

ORDIAD

Chicago O'Hare Intl

Mon 9/15

10:43 am-1:49 pm

Nonstop2h 06m

Washington, D.C. Dulles Intl

Mon 9/22

3:55 pm-5:10 pm

Nonstop2h 15m

$197

ChicagoWashington, D.C.

ORD - DCA

ORDDCA

Chicago O'Hare Intl

Sat 9/13

6:10 am-9:00 am

Nonstop1h 50m

Washington, D.C. Reagan-National

Sat 9/13

3:59 pm-5:23 pm

Nonstop2h 24m

$197

ChicagoWashington, D.C.

ORD - DCA

ORDDCA

Chicago O'Hare Intl

Tue 9/16

8:00 am-10:58 am

Nonstop1h 58m

Washington, D.C. Reagan-National

Tue 9/23

11:10 am-2:55 pm

1 stop4h 45m

$207

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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

Layovers

Other information

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 $169. 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 $210.

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 $300. 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 $458.

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 $301. 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 $657. 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 $236 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 August 2025, prices for Chicago to Washington, D.C. flights are approximately 39% 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	$83
Fastest flight time	1h 45m
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 $83. The best round-trip flight deal from Chicago to Washington, D.C. found on momondo in the last 72 hours is $141.

The fastest flight from Chicago to Washington, D.C. takes 1h 45m

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 $184, or consider a bus from Chicago to Washington, D.C. starting at $148. 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 August 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 11.13% of the total bookings. Other popular models include Airbus A319 with 10.53%, Boeing 737-800 with 9.61%, and Airbus A320neo with 8.84%.
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 28% of the total bookings. Other popular airlines include Frontier with 25%, Southwest with 25%, and American Airlines with 21%.

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 $46	Free Cancellation	Rating 6.3 8,035 reviews	Search Spirit Airlines flights
Frontier	PriceFrom $78	Free Cancellation	Rating 5.8 3,207 reviews	Search Frontier flights
American Airlines	PriceFrom $137	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
Southwest	PriceFrom $139	Free Cancellation	Rating 8.0 4,245 reviews	Search Southwest flights
United Airlines	PriceFrom $158	Free Cancellation	Rating 7.4 8,930 reviews	Search United Airlines flights
Delta	PriceFrom $166	Free Cancellation	Rating 7.9 7,981 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 $139 round-trip, up to an average price of $283. Our users have rated Southwest at 8.0/10.
United Airlines Flights From Chicago to Washington, D.C.
$158 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 $300, however, with flight time and availability significantly affecting the price. United Airlines (7.4/10 from 8,930 user reviews) flies into Washington, D.C. from Chicago 95 times in an average week so prices can vary.

Alexandria

Gettysburg

Arlington

National Harbor

Woodbridge

Waldorf

Tysons

Silver Spring

Laurel

Colonial Beach

Fredericksburg

Manassas

Towson

Rockville

Gaithersburg

Reston

Fairfax

Glen Burnie

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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Cheap flights from Chicago to Washington, D.C. from $64

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 9/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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

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Delta flights from Chicago to Washington, D.C.

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

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

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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 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 August 2025, prices for Chicago to Washington, D.C. flights are approximately 39% 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, Spirit Airlines, and Southwest are the most popular carriers operating from Chicago to Washington, D.C.

What airlines fly to Washington, D.C.?

Which airport is the most popular layover for flights between Chicago and Washington, D.C.?

Atlanta (ATL) was the most common stop: 35% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport offers the lowest fares from Chicago to Washington, D.C.?

Flights via Tampa (TPA) offer the lowest average round-trip price of $107.

Which layover airport has the shortest travel time from Chicago to Washington, D.C.?

Flights connecting via Detroit (DTW) have the shortest average one-way travel time: 4h 40m.

Which layover airport has the shortest connection time from Chicago to Washington, D.C.?

Detroit (DTW) has the shortest average layover time for this route: 1h 20m.

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 97 per day as of August 2025. The most frequent departure time is 8:00PM, with 36% of daily flights leaving in the afternoon.

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

As of August 2025, there are 685 flights per week flying from Chicago to Washington, D.C.. The most common day of the week flights depart is Thu, 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