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Cheap flights from Chicago to Washington, D.C. Dulles Intl Airport from $49

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 2/12. 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.
8:33 am - 2:39 pmORD-IAD
5h 06m1 stop
8:11 pm - 7:28 amIAD-ORD
12h 17m1 stop
$99Frontier
Find Deal
Wed, Feb 12 - Tue, Feb 25
8:33 am - 2:39 pmORD-IAD
5h 06m1 stop
3:04 pm - 10:25 pmIAD-ORD
8h 21m1 stop
$100Frontier
Find Deal
Wed, Feb 19 - Sat, Feb 22
8:33 am - 2:39 pmORD-IAD
5h 06m1 stop
6:03 pm - 7:09 amIAD-ORD
14h 06m1 stop
$101Frontier
Find Deal
Wed, Feb 12 - Wed, Feb 19
9:05 pm - 11:57 pmORD-IAD
1h 52mnonstop
10:20 pm - 11:29 pmIAD-ORD
2h 09mnonstop
$191United Airlines
Find Deal
Sun, Feb 16 - Fri, Feb 21
8:50 am - 11:48 amORD-IAD
1h 58mnonstop
10:09 pm - 11:15 pmIAD-ORD
2h 06mnonstop
$194United Airlines
Find Deal
Tue, Jan 7 - Mon, Jan 13
6:45 am - 11:51 amORD-IAD
4h 06m1 stop
7:17 am - 1:45 pmIAD-ORD
7h 28m1 stop
$207Delta
Find Deal
Tue, Jan 28 - Wed, Jan 29
6:00 am - 11:57 amMDW-IAD
4h 57m1 stop
7:17 am - 11:59 amIAD-MDW
5h 42m1 stop
$210Delta
Find Deal
Thu, Jan 23 - Sun, Jan 26
4:30 pm - 11:58 pmORD-IAD
6h 28m1 stop
8:05 pm - 12:09 amIAD-ORD
5h 04m1 stop
$286American Airlines
Find Deal
Mon, Jan 13 - Fri, Jan 17
5:35 pm - 8:41 amORD-IAD
14h 06m1 stop
8:05 pm - 12:09 amIAD-ORD
5h 04m1 stop
$306American Airlines
Find Deal
Tue, Jan 7 - Mon, Jan 13
6:47 pm - 11:47 amORD-IAD
16h 00m1 stop
12:45 pm - 7:09 pmIAD-ORD
7h 24m1 stop
$315Sun Country Air
Find Deal
Thu, May 22 - Mon, May 26
8:33 am - 2:39 pmORD-IAD
5h 06m1 stop
$49Frontier
Find Deal
Wed, Feb 12
8:33 am - 2:39 pmORD-IAD
5h 06m1 stop
$50Frontier
Find Deal
Wed, Feb 26
6:22 pm - 8:57 amMDW-IAD
13h 35m1 stop
$93Allegiant Air
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Sun, Feb 23
9:05 pm - 11:57 pmORD-IAD
1h 52mnonstop
$96United Airlines
Find Deal
Sun, Feb 16
6:20 pm - 9:17 amMDW-IAD
13h 57m1 stop
$97Allegiant Air
Find Deal
Thu, Feb 27
1:15 pm - 4:13 pmORD-IAD
1h 58mnonstop
$99United Airlines
Find Deal
Tue, Feb 4
6:00 am - 11:57 amMDW-IAD
4h 57m1 stop
$105Delta
Find Deal
Thu, Jan 23
5:45 am - 11:57 amORD-IAD
5h 12m1 stop
$105Delta
Find Deal
Mon, Feb 3
7:13 pm - 8:56 pmORD-IAD
24h 43m2 stops
Wed, Feb 26
5:35 am - 11:26 amORD-IAD
28h 51m3 stops
Thu, Jan 23
9:05 pm - 11:59 pmORD-IAD
1h 54mnonstop
10:09 pm - 11:15 pmIAD-ORD
2h 06mnonstop
$428United Airlines
Find Deal
Thu, Dec 26 - Wed, Jan 8
5:02 am - 1:23 pmORD-IAD
7h 21m1 stop
6:22 am - 10:38 amIAD-ORD
5h 16m1 stop
$447American Airlines
Find Deal
Thu, Dec 26 - Wed, Jan 8
6:08 pm - 9:00 pmORD-IAD
1h 52mnonstop
10:09 pm - 11:15 pmIAD-ORD
2h 06mnonstop
$450United Airlines
Find Deal
Sun, Dec 22 - Tue, Jan 21
9:05 pm - 11:59 pmORD-IAD
1h 54mnonstop
5:45 pm - 9:43 pmIAD-ORD
4h 58m1 stop
$454United Airlines
Find Deal
Thu, Dec 26 - Wed, Jan 8
5:50 pm - 11:58 pmORD-IAD
5h 08m1 stop
6:00 am - 9:09 amIAD-ORD
4h 09m1 stop
$498Delta
Find Deal
Thu, Dec 26 - Sat, Jan 4
7:29 pm - 7:20 amORD-IAD
10h 51m1 stop
4:42 pm - 10:12 pmIAD-ORD
6h 30m1 stop
$505Frontier
Find Deal
Thu, Dec 26 - Mon, Dec 30
5:52 pm - 2:34 pmMDW-IAD
19h 42m1 stop
4:42 pm - 11:14 pmIAD-MDW
7h 32m1 stop
$508Frontier
Find Deal
Thu, Dec 26 - Mon, Dec 30
7:29 pm - 7:20 amORD-IAD
10h 51m1 stop
4:42 pm - 10:12 pmIAD-ORD
6h 30m1 stop
$513Frontier
Find Deal
Thu, Dec 26 - Mon, Dec 30
5:50 pm - 11:58 pmORD-IAD
5h 08m1 stop
6:00 am - 9:09 amIAD-ORD
4h 09m1 stop
$538Delta
Find Deal
Thu, Dec 26 - Sat, Dec 28
6:00 am - 5:40 amORD-IAD
22h 40m1 stop
7:00 am - 5:30 amIAD-ORD
23h 30m2 stops
$2,291Alaska Airlines
Find Deal
Tue, Dec 24 - Tue, Dec 31
9:05 pm - 11:57 pmORD-IAD
1h 52mnonstop
10:20 pm - 11:29 pmIAD-ORD
2h 09mnonstop
$191United Airlines
Find Deal
Sun, Feb 16 - Fri, Feb 21
6:08 pm - 9:01 pmORD-IAD
1h 53mnonstop
10:30 pm - 11:39 pmIAD-ORD
2h 09mnonstop
$194United Airlines
Find Deal
Wed, Feb 12 - Wed, Feb 19
6:08 pm - 9:01 pmORD-IAD
1h 53mnonstop
10:09 pm - 11:15 pmIAD-ORD
2h 06mnonstop
$210United Airlines
Find Deal
Fri, Jan 24 - Mon, Jan 27
3:51 pm - 6:43 pmORD-IAD
1h 52mnonstop
10:16 pm - 11:22 pmIAD-ORD
2h 06mnonstop
$220United Airlines
Find Deal
Sat, Jan 18 - Sat, Jan 25
6:14 pm - 9:09 pmORD-IAD
1h 55mnonstop
10:20 pm - 11:29 pmIAD-ORD
2h 09mnonstop
$227United Airlines
Find Deal
Fri, Feb 28 - Sun, Mar 2
11:17 am - 2:16 pmORD-IAD
1h 59mnonstop
8:35 am - 9:39 amIAD-ORD
2h 04mnonstop
$229United Airlines
Find Deal
Fri, Jun 6 - Sun, Jun 8
6:04 pm - 9:06 pmORD-IAD
2h 02mnonstop
6:10 am - 7:21 amIAD-ORD
2h 11mnonstop
$252United Airlines
Find Deal
Wed, May 14 - Sun, May 18
1:15 pm - 4:13 pmORD-IAD
1h 58mnonstop
10:20 pm - 11:29 pmIAD-ORD
2h 09mnonstop
$260United Airlines
Find Deal
Wed, Feb 12 - Thu, Feb 13
9:05 pm - 11:57 pmORD-IAD
1h 52mnonstop
10:20 pm - 11:29 pmIAD-ORD
2h 09mnonstop
$261United Airlines
Find Deal
Sun, Feb 23 - Tue, Feb 25
11:15 am - 2:11 pmORD-IAD
1h 56mnonstop
8:35 am - 9:46 amIAD-ORD
2h 11mnonstop
$263United Airlines
Find Deal
Fri, Apr 4 - Sun, Apr 6

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

Our best United Airlines deals on Chicago to Washington, D.C. Dulles Intl Airport flight tickets
United Airlines
Feb 16
ORD9:05 pmChicago O'Hare Intl
1h 52m
IAD11:57 pmWashington, D.C. Dulles Intl
Feb 21
IAD10:20 pmWashington, D.C. Dulles Intl
2h 09m
ORD11:29 pmChicago O'Hare Intl
United Airlines
Jan 7
ORD8:50 amChicago O'Hare Intl
1h 58m
IAD11:48 amWashington, D.C. Dulles Intl
Jan 13
IAD10:09 pmWashington, D.C. Dulles Intl
2h 06m
ORD11:15 pmChicago O'Hare Intl
United Airlines
Jan 18
ORD3:51 pmChicago O'Hare Intl
1h 52m
IAD6:43 pmWashington, D.C. Dulles Intl
Jan 25
IAD10:16 pmWashington, D.C. Dulles Intl
2h 06m
ORD11:22 pmChicago O'Hare Intl

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
Feb 12
ORD8:33 amChicago O'Hare Intl
5h 06m
1 stop
IAD2:39 pmWashington, D.C. Dulles Intl
Feb 25
IAD8:11 pmWashington, D.C. Dulles Intl
12h 17m
1 stop
ORD7:28 amChicago O'Hare Intl
Frontier
Feb 19
ORD8:33 amChicago O'Hare Intl
5h 06m
1 stop
IAD2:39 pmWashington, D.C. Dulles Intl
Feb 22
IAD3:04 pmWashington, D.C. Dulles Intl
8h 21m
1 stop
ORD10:25 pmChicago O'Hare Intl
Frontier
Feb 12
ORD8:33 amChicago O'Hare Intl
5h 06m
1 stop
IAD2:39 pmWashington, D.C. Dulles Intl
Feb 19
IAD6:03 pmWashington, D.C. Dulles Intl
14h 06m
1 stop
ORD7:09 amChicago O'Hare Intl

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 to Washington, D.C. Dulles Intl Airport?

In general, August is the cheapest month to fly from Chicago to Washington, D.C. Dulles Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $266. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of August, then flying in April is also cheap. Prices for this month can be found on momondo for an average of $279.

What is the cheapest day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Our data shows that Wednesday is the least expensive day to fly to Washington, D.C. Dulles Intl Airport. Tickets to fly out on this day can be as low as $284. 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. Dulles Intl Airport for around $378.

What is the cheapest time of day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Flying to Washington, D.C. Dulles Intl Airport from Chicago in the evening is the least expensive time of day to depart. momondo users have found prices as low as $297 when looking at flights departing in the evening. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $330 on average. Flights to Washington, D.C. Dulles Intl Airport from Chicago at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest Chicago to Washington, D.C. Dulles Intl flight route?

Fly from Chicago O'Hare Intl to Washington, D.C. Dulles Intl for the best Chicago - Washington, D.C. Dulles Intl flight prices

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

The ideal time to book your flight to Washington, D.C. Dulles Intl Airport is 60 days in advance when prices tend to average $314. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. Dulles Intl Airport from Chicago for as low as $118 on momondo.

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

There are 4 cabin classes available to choose from on Chicago to Washington, D.C. Dulles Intl 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 48% 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 December 2024, prices for Chicago to Washington, D.C. Dulles Intl Airport flights are approximately 11% cheaper when compared to flights at the same time last year.

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

$49

Fastest flight time

1h 44m

Direct flights

Every day
The best one-way flight to Washington, D.C. Dulles Intl Airport from Chicago in the past 72 hours is $49. The best round-trip flight deal from Chicago to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is $99.
The fastest flight from Chicago to Washington, D.C. Dulles Intl Airport takes 1h 44m
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 44m, 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
3,474 reviews
Search Frontier flights
American AirlinesPriceFrom $121Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $175Free CancellationRating
8.0
8,597 reviews
Search Delta flights
United AirlinesPriceFrom $180Free CancellationRating
7.4
9,039 reviews
Search United Airlines flights
  • United Airlines Flights From Chicago to Washington, D.C. Dulles Intl Airport

    United Airlines operates around 13 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 $306, but momondo users have found United Airlines deals from Chicago to Washington, D.C. Dulles Intl Airport from as low as $180 round-trip. United Airlines has been scored 7.4/10 in 9,039 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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