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Cheap flights from Chicago to Washington, D.C. Dulles Intl Airport from $54

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. Dulles Intl Airport departing on 1/6. 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.

Cheap round-trip flights

These are some of the best round-trip flight deals from Chicago to Washington, D.C. that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Chicago to Washington, D.C..

Cheap last minute flights

Planning a quick getaway from Chicago to Washington, D.C.? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Washington, D.C., so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Chicago to Washington, D.C.

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All round-trip flight deals to Washington, D.C.

The cheapest plane tickets to Washington, D.C. found on KAYAK recently.
8:25 am - 3:52 pmMDW-IAD
6h 27m1 stop
1:17 pm - 5:57 pmIAD-MDW
5h 40m1 stop
$109Frontier
Find Deal
Mon, Jan 6 - Wed, Jan 8
8:25 am - 3:52 pmMDW-IAD
6h 27m1 stop
1:17 pm - 5:57 pmIAD-MDW
5h 40m1 stop
$110Frontier
Find Deal
Mon, Jan 6 - Wed, Jan 8
8:48 am - 11:44 amORD-IAD
1h 56mnonstop
10:09 pm - 11:15 pmIAD-ORD
2h 06mnonstop
$197United Airlines
Find Deal
Wed, Dec 18 - Tue, Jan 7
6:08 pm - 9:01 pmORD-IAD
1h 53mnonstop
10:09 pm - 11:15 pmIAD-ORD
2h 06mnonstop
$207United Airlines
Find Deal
Thu, Jan 9 - Thu, Jan 16
6:00 am - 2:16 pmMDW-IAD
7h 16m1 stop
6:00 am - 8:58 amIAD-MDW
3h 58m1 stop
$216Delta
Find Deal
Wed, Dec 11 - Wed, Dec 18
5:40 am - 11:50 amORD-IAD
5h 10m1 stop
3:05 pm - 9:58 pmIAD-ORD
7h 53m1 stop
$216Delta
Find Deal
Tue, Dec 17 - Tue, Jan 7
1:54 pm - 7:28 pmORD-IAD
4h 34m1 stop
5:00 am - 8:49 amIAD-ORD
4h 49m1 stop
$256American Airlines
Find Deal
Wed, Dec 11 - Wed, Dec 18
10:32 am - 4:58 pmORD-IAD
5h 26m1 stop
8:00 pm - 12:14 amIAD-ORD
5h 14m1 stop
$307American Airlines
Find Deal
Tue, Dec 10 - Fri, Dec 13
6:42 pm - 4:10 pmORD-IAD
20h 28m3 stops
8:25 am - 9:37 amIAD-ORD
26h 12m3 stops
Mon, Dec 9 - Sat, Dec 14
3:22 pm - 4:10 pmORD-IAD
23h 48m3 stops
12:55 pm - 11:02 pmIAD-ORD
35h 07m3 stops
Mon, Jan 13 - Fri, Jan 17
8:25 am - 3:52 pmMDW-IAD
6h 27m1 stop
$54Frontier
Find Deal
Mon, Jan 6
6:10 am - 2:09 pmORD-IAD
6h 59m1 stop
$54Frontier
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Sat, Feb 15
3:51 pm - 6:43 pmORD-IAD
1h 52mnonstop
$99United Airlines
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Wed, Jan 15
9:05 pm - 11:59 pmORD-IAD
1h 54mnonstop
$104United Airlines
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Wed, Jan 1
6:22 pm - 8:57 amMDW-IAD
13h 35m1 stop
$107Allegiant Air
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Sun, Feb 23
4:50 pm - 11:58 pmMDW-IAD
6h 08m1 stop
$108Delta
Find Deal
Tue, Dec 24
6:15 am - 1:46 pmORD-IAD
6h 31m1 stop
$108Delta
Find Deal
Wed, Jan 15
6:22 pm - 8:57 amMDW-IAD
13h 35m1 stop
$114Allegiant Air
Find Deal
Thu, Feb 20
12:25 pm - 7:28 pmORD-IAD
6h 03m1 stop
$128American Airlines
Find Deal
Wed, Dec 11
5:10 am - 1:18 pmORD-IAD
7h 08m1 stop
$143American Airlines
Find Deal
Sun, Feb 16
7:31 pm - 5:40 pmORD-IAD
21h 09m1 stop
1:20 pm - 11:51 pmIAD-ORD
11h 31m1 stop
$308Frontier
Find Deal
Fri, Nov 22 - Thu, Dec 5
7:31 pm - 5:40 pmORD-IAD
21h 09m1 stop
8:48 am - 5:00 pmIAD-ORD
9h 12m1 stop
$398Frontier
Find Deal
Fri, Nov 22 - Sun, Nov 24
3:56 pm - 6:50 pmORD-IAD
1h 54mnonstop
10:14 pm - 6:52 pmIAD-ORD
21h 38m1 stop
$419United Airlines
Find Deal
Sat, Nov 23 - Sat, Nov 23
1:21 pm - 4:15 pmORD-IAD
1h 54mnonstop
10:16 pm - 11:20 pmIAD-ORD
2h 04mnonstop
$453United Airlines
Find Deal
Fri, Nov 22 - Fri, Dec 13
7:10 pm - 11:39 amORD-IAD
15h 29m1 stop
12:47 pm - 8:21 amIAD-ORD
20h 34m1 stop
$458Sun Country Air
Find Deal
Mon, Nov 25 - Wed, Nov 27
8:21 pm - 5:40 pmORD-IAD
20h 19m1 stop
12:40 pm - 7:43 pmIAD-ORD
8h 03m1 stop
Tue, Nov 26 - Fri, Nov 29
7:31 pm - 5:40 pmORD-IAD
21h 09m1 stop
12:33 pm - 5:55 pmIAD-ORD
6h 22m1 stop
Fri, Nov 22 - Tue, Nov 26
7:10 pm - 11:39 amORD-IAD
15h 29m1 stop
12:40 pm - 7:43 pmIAD-ORD
8h 03m1 stop
$492Sun Country Air
Find Deal
Mon, Nov 25 - Fri, Nov 29
3:35 pm - 12:06 amORD-IAD
7h 31m1 stop
5:04 pm - 9:36 pmIAD-ORD
5h 32m1 stop
$512Delta
Find Deal
Fri, Nov 22 - Tue, Dec 3
10:41 am - 4:03 pmMDW-IAD
4h 22m1 stop
1:33 pm - 5:02 pmIAD-MDW
4h 29m1 stop
$558Delta
Find Deal
Thu, Nov 21 - Tue, Dec 3
6:16 pm - 9:16 pmORD-IAD
2h 00mnonstop
8:35 am - 9:55 amIAD-ORD
2h 20mnonstop
$197United Airlines
Find Deal
Wed, Dec 18 - Wed, Dec 25
6:08 pm - 9:01 pmORD-IAD
1h 53mnonstop
10:09 pm - 11:15 pmIAD-ORD
2h 06mnonstop
$207United Airlines
Find Deal
Thu, Jan 9 - Thu, Jan 16
3:56 pm - 6:50 pmORD-IAD
1h 54mnonstop
10:16 pm - 11:20 pmIAD-ORD
2h 04mnonstop
$213United Airlines
Find Deal
Fri, Dec 13 - Sat, Dec 14
3:56 pm - 6:50 pmORD-IAD
1h 54mnonstop
7:00 am - 8:20 amIAD-ORD
2h 20mnonstop
$223United Airlines
Find Deal
Fri, Dec 13 - Thu, Dec 19
8:50 am - 11:48 amORD-IAD
1h 58mnonstop
8:35 am - 9:55 amIAD-ORD
2h 20mnonstop
$229United Airlines
Find Deal
Mon, Dec 23 - Sat, Jan 4
9:05 pm - 11:59 pmORD-IAD
1h 54mnonstop
8:35 am - 9:55 amIAD-ORD
2h 20mnonstop
$238United Airlines
Find Deal
Sat, Dec 21 - Wed, Jan 1
9:05 pm - 11:59 pmORD-IAD
1h 54mnonstop
10:20 pm - 11:25 pmIAD-ORD
2h 05mnonstop
$239United Airlines
Find Deal
Wed, Jan 1 - Sun, Jan 5
8:48 am - 11:44 amORD-IAD
1h 56mnonstop
10:16 pm - 11:20 pmIAD-ORD
2h 04mnonstop
$241United Airlines
Find Deal
Sat, Dec 14 - Sat, Dec 14
9:05 pm - 11:59 pmORD-IAD
1h 54mnonstop
10:20 pm - 11:25 pmIAD-ORD
2h 05mnonstop
$249United Airlines
Find Deal
Thu, Dec 26 - Sat, Dec 28
9:05 pm - 11:59 pmORD-IAD
1h 54mnonstop
10:20 pm - 11:25 pmIAD-ORD
2h 05mnonstop
$250United Airlines
Find Deal
Sat, Dec 21 - Sun, Jan 5

Frontier flights from Chicago to Washington, D.C. Dulles Intl Airport

Our best Frontier deals on Chicago to Washington, D.C. Dulles Intl Airport flight tickets
Frontier
Jan 6
MDW8:25 amChicago Midway
6h 27m
1 stop
IAD3:52 pmWashington, D.C. Dulles Intl
Jan 8
IAD1:17 pmWashington, D.C. Dulles Intl
5h 40m
1 stop
MDW5:57 pmChicago Midway
Frontier
Jan 6
MDW8:25 amChicago Midway
6h 27m
1 stop
IAD3:52 pmWashington, D.C. Dulles Intl
Jan 8
IAD1:17 pmWashington, D.C. Dulles Intl
5h 40m
1 stop
MDW5:57 pmChicago Midway
Frontier
Dec 18
MDW6:50 amChicago Midway
8h 38m
1 stop
IAD4:28 pmWashington, D.C. Dulles Intl
Jan 9
IAD6:57 pmWashington, D.C. Dulles Intl
20h 36m
1 stop
MDW2:33 pmChicago Midway

Porter Airlines flights from Chicago to Washington, D.C. Dulles Intl Airport

Our best Porter Airlines deals on Chicago to Washington, D.C. Dulles Intl Airport flight tickets
Porter Airlines
Dec 12
MDW11:25 amChicago Midway
9h 59m
1 stop
IAD10:24 pmWashington, D.C. Dulles Intl
Dec 15
IAD7:00 amWashington, D.C. Dulles Intl
10h 40m
1 stop
MDW4:40 pmChicago Midway
Porter Airlines
Dec 1
MDW11:15 amChicago Midway
10h 09m
1 stop
IAD10:24 pmWashington, D.C. Dulles Intl
Dec 2
IAD7:00 amWashington, D.C. Dulles Intl
5h 10m
1 stop
MDW11:10 amChicago Midway

See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Chicago to Washington, D.C. Dulles Intl Airport

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 from Chicago to Washington, D.C. Dulles Intl Airport?

August. The cheapest time of year to fly to Washington, D.C. Dulles Intl Airport from Chicago is August. Most expensive is February

What is the cheapest day to depart Chicago for Washington, D.C. Dulles Intl Airport?

Wednesday. The cheapest day of the week is typically Wednesday. The most expensive is typically Monday

When is the cheapest time to fly from Chicago to Washington, D.C. Dulles Intl Airport?

In the evening. Chicago to Washington, D.C. Dulles Intl Airport flights are approximately 10% more expensive in the afternoon than in the evening

How far in advance should you book Chicago to Washington, D.C. Dulles Intl Airport flights?

40 days before. The cheapest time to buy a flight from Chicago to Washington, D.C. Dulles Intl Airport is approximately 40 days to departure

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

There are 2 cabin classes available to choose from on Chicago to Washington, D.C. Dulles Intl Airport 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. Dulles Intl Airport flights?

You could potentially save up to 45% on your flight if you consider stops on a Chicago to Washington, D.C. Dulles Intl Airport flight.

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

As of November 2024, prices for Chicago to Washington, D.C. Dulles Intl Airport flights are approximately 29% more expensive when compared to flights at the same time last year.

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


When to book flights from Chicago to Washington, D.C. Dulles Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago to Washington, D.C. Dulles Intl Airport 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. Dulles Intl Airport (CHI to IAD) flight deals and tips

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

Best Price Found

$54

Fastest flight time

1h 49m

Direct flights

Every day
The best one-way flight to Washington, D.C. Dulles Intl Airport from Chicago in the past 72 hours is $54. The best round-trip flight deal from Chicago to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is $109.
The fastest flight from Chicago to Washington, D.C. Dulles Intl Airport takes 1h 49m
Direct flights go from Chicago to Washington, D.C. Dulles Intl Airport every day.

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

    The straight-line distance from Chicago to Washington, D.C. Dulles Intl is 571.5 mi. Flights usually cover this in 1h 49m, depending on flying conditions and air traffic around both airports.

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

    Prices for flights from Chicago to Washington, D.C. Dulles Intl Airport refresh daily.

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

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

    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. Dulles Intl Airport.

  • What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?

    The travel and health documents you'll need for your trip to Washington, D.C. Dulles Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Washington, D.C. Dulles Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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

  • What is the most popular airline from Chicago to Washington, D.C. Dulles Intl Airport?


Best airlines flying from Chicago to Washington, D.C. Dulles Intl Airport

Compare and see reviews for airlines that fly from Chicago to Washington, D.C. Dulles Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $54Free CancellationRating
6.1
3,539 reviews
Search Frontier flights
American AirlinesPriceFrom $121Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $175Free CancellationRating
8.0
8,759 reviews
Search Delta flights
United AirlinesPriceFrom $179Free CancellationRating
7.4
9,173 reviews
Search United Airlines flights
  • United Airlines Flights From Chicago to Washington, D.C. Dulles Intl Airport

    United Airlines operates around 25 flights from Chicago to Washington, D.C. Dulles Intl Airport every week. The average price of these flights found in the last 72 hours has been $305, but momondo users have found United Airlines deals from Chicago to Washington, D.C. Dulles Intl Airport from as low as $179 round-trip. United Airlines has been scored 7.4/10 in 9,172 reviews.


Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Washington, D.C. from Chicago.

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

Flights from Chicago to Washington, D.C. with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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?

Yes momondo offers price alerts on flights to Washington, D.C. from Chicago. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.


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