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Cheap flights from Chicago O'Hare Intl Airport to Washington, D.C. from $70

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 11/4. 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

Frontier Logo
12:48 pm - 3:51 pmORD-BWI
2h 03mnonstop
Frontier Logo
5:04 pm - 6:20 pmBWI-ORD
2h 16mnonstop
$88Frontier
Find Deal
Fri, Oct 17 - Mon, Oct 20
Frontier Logo
12:48 pm - 3:51 pmORD-BWI
2h 03mnonstop
Frontier Logo
8:48 pm - 10:17 pmBWI-ORD
2h 29mnonstop
$89Frontier
Find Deal
Fri, Oct 17 - Sun, Oct 19
Spirit Airlines Logo
3:11 pm - 6:05 pmORD-BWI
1h 54mnonstop
Spirit Airlines Logo
5:44 pm - 7:01 pmBWI-ORD
2h 17mnonstop
$99Spirit Airlines
Find Deal
Fri, Nov 14 - Sun, Nov 16
Spirit Airlines Logo
3:11 pm - 6:05 pmORD-BWI
1h 54mnonstop
Spirit Airlines Logo
5:44 pm - 7:01 pmBWI-ORD
2h 17mnonstop
$100Spirit Airlines
Find Deal
Fri, Nov 7 - Sun, Nov 9
Multiple Airlines Logo
12:00 pm - 3:03 pmORD-BWI
2h 03mnonstop
Multiple Airlines Logo
5:44 pm - 7:01 pmBWI-ORD
2h 17mnonstop
$105Multiple Airlines
Find Deal
Thu, Nov 6 - Sun, Nov 9
Multiple Airlines Logo
6:10 am - 9:02 amORD-BWI
1h 52mnonstop
Multiple Airlines Logo
9:59 pm - 11:20 pmBWI-ORD
2h 21mnonstop
$111Multiple Airlines
Find Deal
Thu, Oct 2 - Mon, Oct 6
United Airlines Logo
10:55 am - 1:50 pmORD-BWI
1h 55mnonstop
United Airlines Logo
1:10 pm - 2:19 pmBWI-ORD
2h 09mnonstop
$139United Airlines
Find Deal
Wed, Dec 10 - Sat, Dec 13
American Airlines Logo
6:00 am - 10:59 amORD-DCA
3h 59m1 stop
American Airlines Logo
12:31 pm - 1:43 pmDCA-ORD
2h 12mnonstop
$202American Airlines
Find Deal
Tue, Oct 7 - Tue, Oct 7
American Airlines Logo
11:40 am - 2:28 pmORD-DCA
1h 48mnonstop
American Airlines Logo
5:54 pm - 9:25 pmDCA-ORD
4h 31m1 stop
$203American Airlines
Find Deal
Fri, Oct 31 - Fri, Oct 31
United Airlines Logo
7:00 am - 4:28 pmORD-IAD
8h 28m1 stop
United Airlines Logo
6:50 pm - 7:58 pmIAD-ORD
2h 08mnonstop
$227United Airlines
Find Deal
Tue, Oct 7 - Tue, Oct 7

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
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

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

Our best Frontier deals on Chicago O'Hare Intl Airport to Washington, D.C. flight tickets
Frontier
Oct 17
ORD12:48 pmChicago O'Hare Intl
2h 03m
BWI3:51 pmBaltimore/Washington
Oct 20
BWI5:04 pmBaltimore/Washington
2h 16m
ORD6:20 pmChicago O'Hare Intl
$88
Find similar
Frontier
Oct 17
ORD12:48 pmChicago O'Hare Intl
2h 03m
BWI3:51 pmBaltimore/Washington
Oct 19
BWI8:48 pmBaltimore/Washington
2h 29m
ORD10:17 pmChicago O'Hare Intl
$89
Find similar
Frontier
Nov 6
ORD12:00 pmChicago O'Hare Intl
2h 03m
BWI3:03 pmBaltimore/Washington
Nov 9
BWI4:09 pmBaltimore/Washington
2h 16m
ORD5:25 pmChicago O'Hare Intl
$91
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Chicago O'Hare Intl Airport to Washington, D.C. that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated September 17, 2025.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport 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

Thu 11/6

12:00 pm-3:03 pm

Nonstop2h 03m

Baltimore/Washington

Sun 11/9

5:44 pm-7:01 pm

Nonstop2h 17m

$105

ChicagoBaltimore

ORD - BWI

ORDBWI

Chicago O'Hare Intl

Thu 10/2

6:10 am-9:02 am

Nonstop1h 52m

Baltimore/Washington

Mon 10/6

9:59 pm-11:20 pm

Nonstop2h 21m

$111

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

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 $209. 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 $209.

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 $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 O'Hare Intl Airport 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 O'Hare Intl Airport 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 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 $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 O'Hare Intl Airport for as low as $247 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 September 2025, prices for Chicago O'Hare Intl Airport to Washington, D.C. flights are approximately 0% 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

$108

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 O'Hare Intl Airport in the past 72 hours is $108. 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 $127.
The fastest flight from Chicago O'Hare Intl Airport to Washington, D.C. takes 1h 44m
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)
Search flight deals

  • 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 48m 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 $45Free CancellationRating
6.3
8,023 reviews
Search Spirit Airlines flights
FrontierPriceFrom $75Free CancellationRating
5.8
3,173 reviews
Search Frontier flights
American AirlinesPriceFrom $124Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
SouthwestPriceFrom $153Free CancellationRating
8.0
4,242 reviews
Search Southwest flights
United AirlinesPriceFrom $154Free CancellationRating
7.4
8,926 reviews
Search United Airlines flights
DeltaPriceFrom $166Free CancellationRating
7.9
7,961 reviews
Search Delta flights

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

    United Airlines operates around 102 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 $301, but momondo users have found United Airlines deals from Chicago O'Hare Intl Airport to Washington, D.C. from as low as $154 round-trip. United Airlines has been scored 7.4/10 in 8,926 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 53 times per week, with deals starting from $124 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
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.?

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