What day of the week experiences the fewest flight delays on this route?

Tuesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

What airlines fly to Washington, D.C.?

United Airlines, American Airlines and Frontier are the top three most popular airlines that fly to Washington, D.C. from Chicago O'Hare Intl Airport according to our data. United Airlines is the first choice among our users, with 54% of people opting to fly with this airline when traveling to Washington, D.C.. Keep in mind that there are 7 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 O'Hare Intl Airport to Washington, D.C. on average per day?

71 flights are operational daily from Chicago O'Hare Intl Airport to Washington, D.C. as of March 2026. The most popular departure time for this route is 6:00PM, with 36% of flights per day taking off in the evening.

What is the most punctual flight time for Chicago to Washington, D.C. flights?

Generally, flights departing in the morning tend to experience fewer delays. Flights in the evening have, in the past, seen delays more frequently in comparison.

How many flights depart from Chicago O'Hare Intl Airport to Washington, D.C. on average per week?

499 flights are operational weekly from Chicago O'Hare Intl Airport to Washington, D.C. as of March 2026. The most popular departure day for this route is Mon, with 18% of flights per week taking off on this day.

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

United Airlines, Southwest, and Delta are the most popular carriers operating from Chicago O'Hare Intl to Washington, D.C.

Which airline has the best punctuality record on Chicago to Washington, D.C. flights?

According to our data, United Airlines have had the least number of delays on this route over the last 12 months; with about 20% of their flights experiencing any sort of delay.

How often are flights from Chicago to Washington, D.C. delayed?

Historically, on average around 22% of flights between Chicago and Washington, D.C. have experienced a delay on any given week. The average delay length over the past 12 months has been 131 minutes.

How many operators does momondo search for flights from Chicago O'Hare Intl Airport to Washington, D.C.?

As of March 2026, there are 7 operators available to choose from for flights from Chicago O'Hare Intl Airport to Washington, D.C..

How old do you have to be to fly from Chicago O'Hare Intl Airport to Washington, D.C.?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago O'Hare Intl Airport 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.

$86 Cheap Flights from Chicago O'Hare Intl Airport to Washington, D.C. in 2026

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Find the cheapest flights from Chicago O'Hare Intl Airport to Washington, D.C.

Round-trip

One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

12:42 pm - 3:47 pm

ORD

BWI

2h 05mnonstop

4:10 pm - 5:36 pm

BWI

ORD

2h 26mnonstop

$137Frontier

Thu, Apr 16 - Mon, Apr 20

6:55 am - 4:22 pm

ORD

BWI

8h 27m

1 stop

11:32 am - 12:54 pm

BWI

ORD

2h 22mnonstop

$141Frontier

Wed, May 13 - Mon, May 18

8:30 am - 11:37 am

ORD

BWI

2h 07mnonstop

6:02 pm - 9:31 am

BWI

ORD

16h 29m

1 stop

$142Multiple Airlines

Thu, May 7 - Mon, May 11

8:00 am - 11:06 am

ORD

BWI

2h 06mnonstop

6:00 am - 5:00 pm

BWI

ORD

12h 00m

1 stop

$144Frontier

Wed, Apr 8 - Wed, Apr 15

6:08 pm - 11:19 am

ORD

BWI

16h 11m

1 stop

5:49 pm - 10:02 am

BWI

ORD

17h 13m

1 stop

$145Frontier

Tue, Apr 14 - Tue, Apr 21

8:30 am - 11:37 am

ORD

BWI

2h 07mnonstop

6:02 pm - 9:31 am

BWI

ORD

16h 29m

1 stop

$146Multiple Airlines

Thu, May 7 - Mon, May 11

12:42 pm - 3:47 pm

ORD

BWI

2h 05mnonstop

4:10 pm - 5:36 pm

BWI

ORD

2h 26mnonstop

$147Frontier

Thu, Apr 16 - Mon, Apr 20

8:45 am - 11:48 am

ORD

IAD

2h 03mnonstop

10:30 pm - 11:44 pm

IAD

ORD

2h 14mnonstop

$209United Airlines

Tue, May 5 - Tue, May 5

12:42 pm - 3:45 pm

ORD

DCA

2h 03mnonstop

6:58 am - 8:36 am

DCA

ORD

2h 38mnonstop

$209American Airlines

Tue, Apr 7 - Wed, Apr 8

6:00 am - 8:56 am

ORD

DCA

1h 56mnonstop

1:00 pm - 2:19 pm

DCA

ORD

2h 19mnonstop

$224United Airlines

Thu, Apr 23 - Tue, Apr 28

Delta flights from Chicago O'Hare Intl Airport to Washington, D.C.

Our best Delta deals on Chicago O'Hare Intl Airport to Washington, D.C. flight tickets

Delta

Apr 7

ORD5:40 pmChicago O'Hare Intl

4h 11m

1 stop

DCA10:51 pmWashington, D.C. Reagan-National

Apr 21

DCA5:00 pmWashington, D.C. Reagan-National

5h 57m

1 stop

ORD9:57 pmChicago O'Hare Intl

$229

Delta

Apr 7

ORD5:40 pmChicago O'Hare Intl

4h 11m

1 stop

DCA10:51 pmWashington, D.C. Reagan-National

Apr 18

DCA6:00 amWashington, D.C. Reagan-National

7h 31m

1 stop

ORD12:31 pmChicago O'Hare Intl

$247

Delta

Apr 8

ORD9:50 amChicago O'Hare Intl

6h 02m

1 stop

IAD4:52 pmWashington, D.C. Dulles Intl

Apr 22

IAD12:37 pmWashington, D.C. Dulles Intl

5h 05m

1 stop

ORD4:42 pmChicago O'Hare Intl

$249

United Airlines flights from Chicago O'Hare Intl Airport to Washington, D.C.

Our best United Airlines deals on Chicago O'Hare Intl Airport to Washington, D.C. flight tickets

United Airlines

May 5

ORD8:45 amChicago O'Hare Intl

2h 03m

IAD11:48 amWashington, D.C. Dulles Intl

May 5

IAD10:30 pmWashington, D.C. Dulles Intl

2h 14m

ORD11:44 pmChicago O'Hare Intl

$209

United Airlines

Apr 28

ORD11:15 amChicago O'Hare Intl

1h 59m

DCA2:14 pmWashington, D.C. Reagan-National

Apr 30

DCA1:00 pmWashington, D.C. Reagan-National

2h 19m

ORD2:19 pmChicago O'Hare Intl

$227

United Airlines

Apr 8

ORD9:35 pmChicago O'Hare Intl

1h 57m

IAD12:32 amWashington, D.C. Dulles Intl

Apr 11

IAD10:30 pmWashington, D.C. Dulles Intl

2h 13m

ORD11:43 pmChicago O'Hare Intl

$239

momondo Fare Finder

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

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Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoBaltimore

ORD - BWI

ORDBWI

Chicago O'Hare Intl

Thu 4/16

12:42 pm-3:47 pm

Nonstop2h 05m

Baltimore/Washington

Mon 4/20

4:10 pm-5:36 pm

Nonstop2h 26m

$137

ChicagoBaltimore

ORD - BWI

ORDBWI

Chicago O'Hare Intl

Wed 5/13

6:55 am-4:22 pm

1 stop8h 27m

Baltimore/Washington

Mon 5/18

11:32 am-12:54 pm

Nonstop2h 22m

$141

ChicagoBaltimore

ORD - BWI

ORDBWI

Chicago O'Hare Intl

Thu 5/7

8:30 am-11:37 am

Nonstop2h 07m

Baltimore/Washington

Mon 5/11

6:02 pm-9:31 am

1 stop16h 29m

$142

ChicagoBaltimore

ORD - BWI

ORDBWI

Chicago O'Hare Intl

Wed 4/8

8:00 am-11:06 am

Nonstop2h 06m

Baltimore/Washington

Wed 4/15

6:00 am-5:00 pm

1 stop12h 00m

$144

ChicagoBaltimore

ORD - BWI

ORDBWI

Chicago O'Hare Intl

Tue 4/14

6:08 pm-11:19 am

1 stop16h 11m

Baltimore/Washington

Tue 4/21

5:49 pm-10:02 am

1 stop17h 13m

$145

ChicagoBaltimore

ORD - BWI

ORDBWI

Chicago O'Hare Intl

Thu 5/7

8:30 am-11:37 am

Nonstop2h 07m

Baltimore/Washington

Mon 5/11

6:02 pm-9:31 am

1 stop16h 29m

$146

ChicagoBaltimore

ORD - BWI

ORDBWI

Chicago O'Hare Intl

Thu 4/16

12:42 pm-3:47 pm

Nonstop2h 05m

Baltimore/Washington

Mon 4/20

4:10 pm-5:36 pm

Nonstop2h 26m

$147

ChicagoWashington, D.C.

ORD - IAD

ORDIAD

Chicago O'Hare Intl

Tue 5/5

8:45 am-11:48 am

Nonstop2h 03m

Washington, D.C. Dulles Intl

Tue 5/5

10:30 pm-11:44 pm

Nonstop2h 14m

$209

ChicagoWashington, D.C.

ORD - DCA

ORDDCA

Chicago O'Hare Intl

Tue 4/7

12:42 pm-3:45 pm

Nonstop2h 03m

Washington, D.C. Reagan-National

Wed 4/8

6:58 am-8:36 am

Nonstop2h 38m

$209

Quickest round-trip

ChicagoWashington, D.C.

ORD - DCA

ORDDCA

Chicago O'Hare Intl

Thu 4/23

6:00 am-8:56 am

Nonstop1h 56m

Washington, D.C. Reagan-National

Tue 4/28

1:00 pm-2:19 pm

Nonstop2h 19m

$224

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 O'Hare Intl Airport 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

Delays

Other information

What is the cheapest month to fly to Washington, D.C.?

The month of September is, on average, the cheapest month to fly to Washington, D.C. from Chicago O'Hare Intl Airport, with most prices found around $178. If you’re not able to fly to Washington, D.C. in September, then August is your next best option. Flight prices from Chicago O'Hare Intl Airport to Washington, D.C. during August average around $205.

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 O'Hare Intl Airport is on a Friday. momondo users have found tickets for Friday departures for as low as $349. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Chicago O'Hare Intl Airport to Washington, D.C. for around $562.

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 O'Hare Intl Airport to Washington, D.C. when you can find flight prices for as low as $352. 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 $772. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Chicago O'Hare Intl to Washington, D.C. flight route?

Fly from Chicago O'Hare Intl to Baltimore/Washington for the best Chicago O'Hare Intl - 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 O'Hare Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. for around $327 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 O'Hare Intl Airport for as low as $273 on momondo.

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

There are 4 cabin classes available to choose from on Chicago O'Hare Intl 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 O'Hare Intl Airport to Washington, D.C. flights?

No. A direct flight is the cheapest option for a flight between Chicago O'Hare Intl Airport to Washington, D.C..

How have Chicago O'Hare Intl Airport to Washington, D.C. flight prices changed over time?

As of March 2026, prices for Chicago O'Hare Intl Airport to Washington, D.C. flights are approximately 34% more expensive when compared to flights at the same time last year.

When to book flights from Chicago O'Hare Intl Airport to Washington, D.C.

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago O'Hare Intl Airport 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 O'Hare Intl Airport to Washington, D.C. (ORD to WAS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago O'Hare Intl Airport to Washington, D.C.

Best Price Found	$114
Fastest flight time	1h 42m
Direct flights	Every day
Airports in Washington, D.C.	2 airports

The best one-way flight to Washington, D.C. from Chicago O'Hare Intl Airport in the past 72 hours is $114. The best round-trip flight deal from Chicago O'Hare Intl Airport to Washington, D.C. found on momondo in the last 72 hours is $198.

The fastest flight from Chicago O'Hare Intl Airport to Washington, D.C. takes 1h 42m

Direct flights go from Chicago O'Hare Intl Airport to Washington, D.C. every day.

There are 2 airports in Washington, D.C.. From Chicago O'Hare Intl Airport there are direct flights to Washington, D.C. Reagan-National (DCA), Baltimore/Washington (BWI), Washington, D.C. Dulles Intl (IAD).

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How far is Chicago O'Hare Intl to Washington, D.C. by plane?
A flight from Chicago O'Hare Intl to Washington, D.C. will travel around 608.8 mi. Typically, this will take 1h 42m by plane in normal conditions.
When did momondo last update prices for flights from Chicago O'Hare Intl Airport to Washington, D.C.?
Prices for flights from Chicago O'Hare Intl Airport to Washington, D.C. refresh daily.
How many operators does momondo search for flights from Chicago O'Hare Intl Airport to Washington, D.C.?
As of March 2026, there are 7 operators available to choose from for flights from Chicago O'Hare Intl Airport to Washington, D.C..
How old do you have to be to fly from Chicago O'Hare Intl Airport to Washington, D.C.?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago O'Hare Intl Airport 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 O'Hare Intl Airport to Washington, D.C.?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Chicago O'Hare Intl Airport to Washington, D.C. is Airbus A319 (13.96% of total bookings). The next most popular plane models are Boeing 737-800 (12.65%), Boeing 737-900 (8.44%), and Boeing 737 MAX 8 (7.92%).
What is the most popular airline from Chicago O'Hare Intl Airport to Washington, D.C.?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Chicago O'Hare Intl Airport to Washington, D.C. is United Airlines (42% of total bookings). The next most popular airlines are American Airlines (33%), Frontier (19%), and Spirit Airlines (3%).

Best airlines flying from Chicago O'Hare Intl Airport to Washington, D.C.

Compare and see reviews for airlines that fly from Chicago O'Hare Intl Airport to Washington, D.C. with momondo

Airline	Rating	Free Cancellation	Price
Spirit Airlines	PriceFrom $42	Free Cancellation	Rating 6.3 8,520 reviews	Search Spirit Airlines flights
Frontier	PriceFrom $57	Free Cancellation	Rating 5.7 3,027 reviews	Search Frontier flights
United Airlines	PriceFrom $114	Free Cancellation	Rating 7.4 9,431 reviews	Search United Airlines flights
Delta	PriceFrom $124	Free Cancellation	Rating 7.9 8,288 reviews	Search Delta flights
JetBlue	PriceFrom $141	Free Cancellation	Rating 7.2 2,906 reviews	Search JetBlue flights
American Airlines	PriceFrom $152	Free Cancellation	Rating 7.1 11,466 reviews	Search American Airlines flights
Southwest	PriceFrom $157	Free Cancellation	Rating 8.0 4,320 reviews	Search Southwest flights

United Airlines Flights From Chicago O'Hare Intl Airport to Washington, D.C.
United Airlines operates around 82 flights from Chicago O'Hare Intl Airport to Washington, D.C. every week. The average price of these flights found in the last 72 hours has been $323, but momondo users have found United Airlines deals from Chicago O'Hare Intl Airport to Washington, D.C. from as low as $114 round-trip. United Airlines has been scored 7.4/10 in 9,431 reviews.
American Airlines Flights From Chicago O'Hare Intl Airport to Washington, D.C.
Another popular option for Chicago O'Hare Intl Airport to Washington, D.C. flights is American Airlines (7.1/10, 11,466 ratings). American Airlines flies from Chicago O'Hare Intl Airport to Washington, D.C. around 43 times per week, with deals starting from $152 round-trip and rising to an average price of around $284.

Alexandria

National Harbor

Gettysburg

Arlington

Waldorf

Woodbridge

Colonial Beach

Laurel

Towson

Gaithersburg

Silver Spring

Fredericksburg

Rockville

Tysons

Manassas

Springfield

Linthicum Heights

Bethesda

Fairfax

Reston

Why use momondo?

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

It is quick and easy to find Chicago to Washington, D.C. flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Washington, D.C. that suits you.

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 offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight 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?

Of course. momondo tracks the price of Chicago to Washington, D.C. flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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Cheap flights from Chicago O'Hare Intl Airport to Washington, D.C. from $86

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Delta flights from Chicago O'Hare Intl Airport to Washington, D.C.

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Our best United Airlines deals on Chicago O'Hare Intl Airport to Washington, D.C. flight tickets

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Use the filters below to find and compare flights from Chicago O'Hare Intl Airport 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 O'Hare Intl Airport to 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 O'Hare Intl to Washington, D.C. flight route?

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

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

Can stopping save me money on Chicago O'Hare Intl Airport to Washington, D.C. flights?

How have Chicago O'Hare Intl Airport to Washington, D.C. flight prices changed over time?

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

What airlines fly to Washington, D.C.?

How often are flights from Chicago to Washington, D.C. delayed?

What is the most punctual flight time for Chicago to Washington, D.C. flights?

What day of the week experiences the fewest flight delays on this route?

Which airline has the best punctuality record on Chicago to Washington, D.C. flights?

How many flights depart from Chicago O'Hare Intl Airport to Washington, D.C. on average per day?

How many flights depart from Chicago O'Hare Intl Airport to Washington, D.C. on average per week?

When to book flights from Chicago O'Hare Intl Airport to Washington, D.C.

Cheap Chicago O'Hare Intl Airport to Washington, D.C. (ORD to WAS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago O'Hare Intl Airport to Washington, D.C.

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Direct flights

Airports in Washington, D.C.

Best airlines flying from Chicago O'Hare Intl Airport to Washington, D.C.

Compare and see reviews for airlines that fly from Chicago O'Hare Intl Airport to Washington, D.C. with momondo

United Airlines Flights From Chicago O'Hare Intl Airport to Washington, D.C.

American Airlines Flights From Chicago O'Hare Intl Airport to Washington, D.C.

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Airports listed have a maximum distance of 22.4 mi from Washington, D.C.

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Cabin classes currently available on flights to Washington, D.C.

List of cabin classes available on flights landing in Washington, D.C.. Availability may vary depending on flight origin and airline.

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