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Cheap flights from Illinois to Washington, D.C. Dulles Intl Airport from $58

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Washington, D.C. Dulles Intl Airport departing on 12/18. 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 Illinois to Washington, D.C.

Cheap round-trip flights

These are some of the best round-trip flight deals from Illinois 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 Illinois to Washington, D.C..

Cheap last minute flights

Planning a quick getaway from Illinois 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 Illinois to Washington, D.C.

Find recent round-trip train or bus tickets from Illinois to Washington, D.C..

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

The cheapest plane tickets to Washington, D.C. found on KAYAK recently.
8:25 am - 2:25 pmMDW-IAD
5h 00m1 stop
1:17 pm - 5:57 pmIAD-MDW
5h 40m1 stop
$116Frontier
Find Deal
Wed, Dec 18 - Wed, Jan 8
8:25 am - 3:52 pmMDW-IAD
6h 27m1 stop
1:17 pm - 5:57 pmIAD-MDW
5h 40m1 stop
$121Frontier
Find Deal
Mon, Jan 6 - Wed, Jan 8
6:00 am - 2:34 pmMDW-IAD
7h 34m1 stop
1:17 pm - 5:57 pmIAD-MDW
5h 40m1 stop
$122Frontier
Find Deal
Mon, Jan 6 - Wed, Jan 8
5:05 pm - 12:22 amMLI-IAD
6h 17m1 stop
10:03 am - 4:25 pmIAD-MLI
7h 22m1 stop
$208Delta
Find Deal
Wed, Jan 29 - Wed, Feb 5
3:51 pm - 6:43 pmORD-IAD
1h 52mnonstop
10:10 pm - 7:42 amIAD-ORD
10h 32m1 stop
$227United Airlines
Find Deal
Tue, Jan 14 - Tue, Jan 14
3:56 pm - 6:50 pmORD-IAD
1h 54mnonstop
10:09 pm - 11:15 pmIAD-ORD
2h 06mnonstop
$229United Airlines
Find Deal
Wed, Dec 18 - Thu, Jan 9
9:30 am - 3:35 pmMDW-IAD
5h 05m1 stop
6:10 am - 8:42 amIAD-MDW
3h 32m1 stop
$247Delta
Find Deal
Tue, May 6 - Wed, May 7
4:33 pm - 11:58 pmMLI-IAD
6h 25m1 stop
9:15 am - 4:03 pmIAD-MLI
7h 48m1 stop
$248American Airlines
Find Deal
Fri, Jan 31 - Sun, Feb 2
3:24 pm - 10:24 pmMLI-IAD
6h 00m1 stop
5:28 pm - 11:55 pmIAD-MLI
7h 27m1 stop
$258American Airlines
Find Deal
Tue, Dec 10 - Sat, Dec 14
6:47 pm - 11:47 amORD-IAD
16h 00m1 stop
12:45 pm - 7:09 pmIAD-ORD
7h 24m1 stop
$315Sun Country Air
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Thu, May 22 - Mon, May 26
8:25 am - 2:25 pmMDW-IAD
5h 00m1 stop
$58Frontier
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Wed, Dec 18
8:25 am - 3:52 pmMDW-IAD
6h 27m1 stop
$63Frontier
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Mon, Jan 6
6:22 pm - 8:57 amMDW-IAD
13h 35m1 stop
$98Allegiant Air
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Sun, Feb 23
6:22 pm - 8:57 amMDW-IAD
13h 35m1 stop
$114Allegiant Air
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Thu, Feb 20
8:48 am - 11:44 amORD-IAD
1h 56mnonstop
$115United Airlines
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Mon, Dec 16
8:25 am - 11:43 amSTL-IAD
2h 18mnonstop
$115United Airlines
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Thu, Jan 2
6:00 am - 12:46 pmMDW-IAD
5h 46m1 stop
$124Delta
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Wed, Jan 8
6:45 am - 11:51 amORD-IAD
4h 06m1 stop
$124Delta
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Thu, Jan 16
8:14 pm - 8:35 pmORD-IAD
23h 21m2 stops
Wed, Dec 18
8:14 pm - 8:35 pmORD-IAD
23h 21m3 stops
Wed, Dec 18
6:15 am - 5:40 pmORD-IAD
10h 25m1 stop
1:20 pm - 11:51 pmIAD-ORD
11h 31m1 stop
$453Frontier
Find Deal
Thu, Nov 28 - Thu, Dec 5
8:25 am - 11:36 amSTL-IAD
2h 11mnonstop
6:50 pm - 8:23 pmIAD-STL
2h 33mnonstop
$469United Airlines
Find Deal
Tue, Nov 26 - Tue, Dec 31
10:15 am - 4:43 pmORD-IAD
5h 28m1 stop
6:00 am - 9:09 amIAD-ORD
4h 09m1 stop
$488Delta
Find Deal
Tue, Nov 26 - Sat, Jan 4
6:30 am - 11:34 amSTL-IAD
4h 04m1 stop
12:30 pm - 4:59 pmIAD-STL
5h 29m1 stop
$488Delta
Find Deal
Tue, Nov 26 - Tue, Dec 31
9:55 am - 7:15 pmSTL-IAD
8h 20m2 stops
7:25 am - 1:35 pmIAD-STL
7h 10m1 stop
$584Southwest
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Tue, Nov 26 - Tue, Dec 31
9:55 pm - 12:00 pmSTL-IAD
13h 05m2 stops
7:10 am - 5:00 pmIAD-STL
10h 50m1 stop
$603Southwest
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Wed, Nov 27 - Sat, Dec 7
5:00 am - 10:29 amORD-IAD
4h 29m1 stop
8:10 pm - 12:16 amIAD-ORD
5h 06m1 stop
$612American Airlines
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Thu, Nov 28 - Mon, Dec 2
1:54 pm - 7:31 pmORD-IAD
4h 37m1 stop
9:10 am - 2:08 pmIAD-ORD
5h 58m1 stop
$616American Airlines
Find Deal
Tue, Nov 26 - Tue, Dec 3
9:20 am - 11:45 amORD-IAD
25h 25m1 stop
12:54 pm - 7:01 pmIAD-ORD
7h 07m1 stop
$654Sun Country Air
Find Deal
Thu, Nov 28 - Mon, Dec 2
9:20 am - 11:45 amORD-IAD
25h 25m1 stop
12:54 pm - 7:01 pmIAD-ORD
7h 07m1 stop
$667Sun Country Air
Find Deal
Thu, Nov 28 - Mon, Dec 2
9:05 pm - 11:59 pmORD-IAD
1h 54mnonstop
10:20 pm - 11:25 pmIAD-ORD
2h 05mnonstop
$229United Airlines
Find Deal
Mon, Dec 23 - Sun, Dec 29
8:15 am - 11:33 amSTL-IAD
2h 18mnonstop
8:50 am - 10:24 amIAD-STL
2h 34mnonstop
$229United Airlines
Find Deal
Sat, Jan 11 - Tue, Jan 14
12:55 pm - 4:03 pmSTL-IAD
2h 08mnonstop
8:50 am - 10:24 amIAD-STL
2h 34mnonstop
$237United Airlines
Find Deal
Tue, Jan 7 - Fri, Jan 10
8:25 am - 11:43 amSTL-IAD
2h 18mnonstop
6:50 pm - 8:23 pmIAD-STL
2h 33mnonstop
$243United Airlines
Find Deal
Sun, Dec 22 - Thu, Dec 26
6:04 pm - 9:06 pmORD-IAD
2h 02mnonstop
7:00 am - 8:03 amIAD-ORD
2h 03mnonstop
$258United Airlines
Find Deal
Tue, Apr 22 - Fri, Apr 25
8:50 am - 11:48 amORD-IAD
1h 58mnonstop
10:20 pm - 11:25 pmIAD-ORD
2h 05mnonstop
$263United Airlines
Find Deal
Fri, Dec 20 - Sun, Dec 22
9:05 pm - 11:59 pmORD-IAD
1h 54mnonstop
10:09 pm - 11:15 pmIAD-ORD
2h 06mnonstop
$267United Airlines
Find Deal
Thu, Dec 26 - Mon, Jan 20
9:05 pm - 11:59 pmORD-IAD
1h 54mnonstop
8:35 am - 9:55 amIAD-ORD
2h 20mnonstop
$271United Airlines
Find Deal
Wed, Jan 1 - Sat, Jan 4
9:05 pm - 11:59 pmORD-IAD
1h 54mnonstop
10:20 pm - 11:25 pmIAD-ORD
2h 05mnonstop
$272United Airlines
Find Deal
Sat, Dec 21 - Sun, Dec 29
8:25 am - 11:43 amSTL-IAD
2h 18mnonstop
8:30 am - 9:54 amIAD-STL
2h 24mnonstop
$285United Airlines
Find Deal
Tue, Dec 31 - Thu, Jan 2

Delta flights from Illinois to Washington, D.C. Dulles Intl Airport

Our best Delta deals on Illinois to Washington, D.C. Dulles Intl Airport flight tickets
Delta
Jan 29
MLI5:05 pmMoline Quad-City
6h 17m
1 stop
IAD12:22 amWashington, D.C. Dulles Intl
Feb 5
IAD10:03 amWashington, D.C. Dulles Intl
7h 22m
1 stop
MLI4:25 pmMoline Quad-City
Delta
May 6
MDW9:30 amChicago Midway
5h 05m
1 stop
IAD3:35 pmWashington, D.C. Dulles Intl
May 7
IAD6:10 amWashington, D.C. Dulles Intl
3h 32m
1 stop
MDW8:42 amChicago Midway
Delta
Jan 8
ORD7:05 amChicago O'Hare Intl
4h 41m
1 stop
IAD12:46 pmWashington, D.C. Dulles Intl
Jan 11
IAD5:16 pmWashington, D.C. Dulles Intl
4h 59m
1 stop
ORD9:15 pmChicago O'Hare Intl

American Airlines flights from Illinois to Washington, D.C. Dulles Intl Airport

Our best American Airlines deals on Illinois to Washington, D.C. Dulles Intl Airport flight tickets
American Airlines
Jan 31
MLI4:33 pmMoline Quad-City
6h 25m
1 stop
IAD11:58 pmWashington, D.C. Dulles Intl
Feb 2
IAD9:15 amWashington, D.C. Dulles Intl
7h 48m
1 stop
MLI4:03 pmMoline Quad-City
American Airlines
Dec 10
MLI3:24 pmMoline Quad-City
6h 00m
1 stop
IAD10:24 pmWashington, D.C. Dulles Intl
Dec 14
IAD5:28 pmWashington, D.C. Dulles Intl
7h 27m
1 stop
MLI11:55 pmMoline Quad-City
American Airlines
Dec 21
STL5:58 pmLambert-St Louis
5h 04m
1 stop
IAD12:02 amWashington, D.C. Dulles Intl
Dec 28
IAD8:10 pmWashington, D.C. Dulles Intl
4h 51m
1 stop
STL12:01 amLambert-St Louis

See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Illinois 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 Illinois 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 January is also cheap. Prices for this month can be found on momondo for an average of $278.

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 Illinois to Washington, D.C. Dulles Intl Airport for around $380.

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 Illinois in the evening is the least expensive time of day to depart. momondo users have found prices as low as $295 when looking at flights departing in the evening. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $328 on average. Flights to Washington, D.C. Dulles Intl Airport from Illinois in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

Fly from Chicago O'Hare Intl to Washington, D.C. Dulles Intl for the best Illinois - 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 40 days in advance when prices tend to average $317. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. Dulles Intl Airport from Illinois for as low as $170 on momondo.

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

There are 4 cabin classes available to choose from on Illinois 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 Illinois to Washington, D.C. Dulles Intl Airport flights?

You could potentially save up to 49% on your flight if you consider stops on a Illinois to Washington, D.C. Dulles Intl Airport flight.

Cheap Illinois to Washington, D.C. Dulles Intl Airport flight deals and tips

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

Best Price Found

$58

Fastest flight time

1h 49m

Direct flights

Every day
The best one-way flight to Washington, D.C. Dulles Intl Airport from Illinois in the past 72 hours is $58. The best round-trip flight deal from Illinois to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is $116.
The fastest flight from Illinois to Washington, D.C. Dulles Intl Airport takes 1h 49m
Direct flights go from Illinois to Washington, D.C. Dulles Intl Airport every day.

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

    Prices for flights from Illinois to Washington, D.C. Dulles Intl Airport were last updated today.

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Illinois 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 required for your trip to Washington, D.C. Dulles Intl Airport 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. Dulles Intl Airport. 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 Illinois to Washington, D.C. Dulles Intl Airport?


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

Compare and see reviews for airlines that fly from Illinois to Washington, D.C. Dulles Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $54Free CancellationRating
6.1
3,526 reviews
Search Frontier flights
American AirlinesPriceFrom $121Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $175Free CancellationRating
8.0
8,734 reviews
Search Delta flights
United AirlinesPriceFrom $179Free CancellationRating
7.4
9,156 reviews
Search United Airlines flights

Why use momondo?

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

It is quick and easy to find Illinois 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 Illinois to Washington, D.C. with flexible booking policies on momondo?

All flight searches from Illinois to Washington, D.C. on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Illinois to Washington, D.C.?

Once all potential Illinois to Washington, D.C. flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Illinois 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 Illinois. 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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