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Cheap flights from Chicago O'Hare Intl Airport to Washington, D.C. from $41

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 O'Hare Intl Airport to Washington, D.C. departing on 9/7. 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 O'Hare Intl Airport to Washington, D.C.

Cheap round-trip flights

Spirit Airlines Logo
6:10 am - 9:02 amORD-BWI
1h 52mnonstop
Spirit Airlines Logo
9:57 am - 11:10 amBWI-ORD
2h 13mnonstop
$82Spirit Airlines
Find Deal
Thu, Sep 25 - Sun, Sep 28
Frontier Logo
1:15 pm - 4:21 pmORD-BWI
2h 06mnonstop
Frontier Logo
5:06 pm - 6:28 pmBWI-ORD
2h 22mnonstop
$83Frontier
Find Deal
Thu, Aug 28 - Mon, Sep 1
Logo
6:10 am - 9:02 amORD-BWI
1h 52mnonstop
Logo
9:59 pm - 11:20 pmBWI-ORD
2h 21mnonstop
$89
Find Deal
Sun, Sep 21 - Mon, Sep 22
United Airlines Logo
8:00 am - 10:56 amORD-DCA
1h 56mnonstop
United Airlines Logo
5:59 pm - 7:14 pmDCA-ORD
2h 15mnonstop
$93United Airlines
Find Deal
Mon, Aug 18 - Sat, Aug 23
United Airlines Logo
11:40 am - 2:37 pmORD-IAD
1h 57mnonstop
United Airlines Logo
5:10 pm - 6:25 pmIAD-ORD
2h 15mnonstop
$93United Airlines
Find Deal
Wed, Sep 10 - Sat, Sep 13
American Airlines Logo
1:20 pm - 4:16 pmORD-DCA
1h 56mnonstop
American Airlines Logo
3:50 pm - 5:11 pmDCA-ORD
2h 21mnonstop
$94American Airlines
Find Deal
Sat, Aug 9 - Mon, Aug 11
Logo
6:20 am - 9:09 amORD-BWI
1h 49mnonstop
Logo
11:36 am - 12:58 pmBWI-ORD
2h 22mnonstop
$97
Find Deal
Thu, Aug 14 - Mon, Aug 18
Southwest Logo
3:10 pm - 11:00 pmORD-DCA
6h 50m1 stop
Southwest Logo
12:50 pm - 5:55 pmDCA-ORD
6h 05m1 stop
$113Southwest
Find Deal
Tue, Aug 19 - Wed, Aug 27
American Airlines Logo
6:06 am - 9:00 amORD-DCA
1h 54mnonstop
American Airlines Logo
6:00 pm - 7:26 pmDCA-ORD
2h 26mnonstop
$117American Airlines
Find Deal
Sat, Aug 23 - Sat, Aug 30
Southwest Logo
7:30 am - 5:15 pmORD-DCA
8h 45m1 stop
Southwest Logo
2:10 pm - 9:30 pmDCA-ORD
8h 20m1 stop
$126Southwest
Find Deal
Sun, Sep 28 - Tue, Sep 30

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
Sep 10
ORD11:40 amChicago O'Hare Intl
1h 57m
IAD2:37 pmWashington, D.C. Dulles Intl
Sep 13
IAD5:10 pmWashington, D.C. Dulles Intl
2h 15m
ORD6:25 pmChicago O'Hare Intl
$93
Find similar
United Airlines
Aug 15
ORD8:52 amChicago O'Hare Intl
2h 03m
IAD11:55 amWashington, D.C. Dulles Intl
Aug 16
IAD6:35 amWashington, D.C. Dulles Intl
2h 14m
ORD7:49 amChicago O'Hare Intl
$106
Find similar
United Airlines
Aug 5
ORD10:50 amChicago O'Hare Intl
1h 59m
IAD1:49 pmWashington, D.C. Dulles Intl
Aug 12
IAD1:20 pmWashington, D.C. Dulles Intl
2h 13m
ORD2:33 pmChicago O'Hare Intl
$117
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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
Aug 14
ORD7:15 amChicago O'Hare Intl
3h 17m
1 stop
IAD11:32 amWashington, D.C. Dulles Intl
Aug 15
IAD7:30 pmWashington, D.C. Dulles Intl
5h 26m
1 stop
ORD11:56 pmChicago O'Hare Intl
$197
Find similar
Delta
Jul 23
ORD7:05 amChicago O'Hare Intl
8h 06m
1 stop
DCA4:11 pmWashington, D.C. Reagan-National
Jul 30
DCA7:39 pmWashington, D.C. Reagan-National
5h 30m
1 stop
ORD12:09 amChicago O'Hare Intl
$301
Find similar
Delta
Jul 24
ORD7:05 amChicago O'Hare Intl
4h 34m
1 stop
DCA12:39 pmWashington, D.C. Reagan-National
Jul 27
DCA9:39 amWashington, D.C. Reagan-National
4h 11m
1 stop
ORD12:50 pmChicago O'Hare Intl
$389
Find similar

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.

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.?

The month of August is, on average, the cheapest month to fly to Washington, D.C. from Chicago O'Hare Intl Airport, with most prices found around $229. If you’re not able to fly to Washington, D.C. in August, then September is your next best option. Flight prices from Chicago O'Hare Intl Airport to Washington, D.C. during September average around $235.

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 $299. 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 O'Hare Intl Airport to Washington, D.C. for around $448.

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 $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 $640. 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 $310 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 $240 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 July 2025, prices for Chicago O'Hare Intl Airport to Washington, D.C. flights are approximately 37% cheaper 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

$41

Fastest flight time

1h 47m

Direct flights

Every day

Airports in Washington, D.C.

3 airports
The best one-way flight to Washington, D.C. from Chicago O'Hare Intl Airport in the past 72 hours is $41. 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 $82.
The fastest flight from Chicago O'Hare Intl Airport to Washington, D.C. takes 1h 47m
Direct flights go from Chicago O'Hare Intl Airport 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)
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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 47m 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.?

  • 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.?

  • What is the most popular airline from Chicago O'Hare Intl Airport to 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
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $46Free CancellationRating
6.3
8,055 reviews
Search Spirit Airlines flights
FrontierPriceFrom $59Free CancellationRating
5.9
3,271 reviews
Search Frontier flights
SouthwestPriceFrom $139Free CancellationRating
8.0
4,250 reviews
Search Southwest flights
American AirlinesPriceFrom $148Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $150Free CancellationRating
7.4
8,846 reviews
Search United Airlines flights
DeltaPriceFrom $166Free CancellationRating
8.0
7,952 reviews
Search Delta flights

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

    United Airlines operates around 100 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 $298, but momondo users have found United Airlines deals from Chicago O'Hare Intl Airport to Washington, D.C. from as low as $150 round-trip. United Airlines has been scored 7.4/10 in 8,846 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 (7.2/10, 10,000 ratings). American Airlines flies from Chicago O'Hare Intl Airport to Washington, D.C. around 48 times per week, with deals starting from $148 round-trip and rising to an average price of around $271.

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

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
Gettysburg
Arlington
National Harbor
Laurel
Woodbridge
Tysons
Silver Spring
Waldorf
Fredericksburg
Manassas
Gaithersburg
Rockville
Towson
Fairfax
Colonial Beach
Glen Burnie
Linthicum Heights
Reston
Springfield

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.

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

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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.

Airports listed have a maximum distance of 22.4 mi from Washington, D.C.
Washington, D.C. Reagan-National Airport
Washington, D.C. Dulles Intl Airport