How long does it take to fly to Washington, D.C. Dulles Intl Airport?

Flight times from Illinois to Washington, D.C. Dulles Intl Airport vary, but if you’re flying out of Chicago and flying into Washington, D.C. Dulles Intl Airport (one of the most popular routes), then the duration is 2h 38m on average. Another popular route from Illinois to Washington, D.C. Dulles Intl Airport is flying from Peoria to Washington, D.C. Dulles Intl Airport, which will take roughly 4h 20m. Keep in mind that layovers or delays could extend your travel time.

What is the cheapest airline that flies from Illinois to Washington, D.C. Dulles Intl?

United Airlines, Delta, and Allegiant Air are the most popular carriers operating from Illinois to Washington, D.C. Dulles Intl

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

As of September 2026, there are 2 operators available to choose from 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.

$100 Cheap Flights from Illinois to Washington, D.C. Dulles Intl Airport in 2026/27

Q: How many flights depart from Illinois to Washington, D.C. Dulles Intl Airport on average per day?

As of September 2026, 27 flights take off from Illinois and land in Washington, D.C. Dulles Intl Airport each day. The most common flight departure time for this route is 10:00AM, with 40% of daily flights taking off in the evening.

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Illinois to Washington, D.C.

Round-trip

One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

6:00 am - 5:13 pmORD Chicago O'Hare Intl-IAD Washington, D.C. Dulles Intl

10h 13m1 stop Atlanta Hartsfield-Jackson

8:05 am - 6:16 pmIAD Washington, D.C. Dulles Intl-ORD Chicago O'Hare Intl

11h 11m1 stop Atlanta Hartsfield-Jackson

$191Frontier

Sat, Oct 24 - Wed, Oct 28

7:15 am - 5:12 pmORD Chicago O'Hare Intl-IAD Washington, D.C. Dulles Intl

8h 57m1 stop Atlanta Hartsfield-Jackson

8:05 am - 12:51 pmIAD Washington, D.C. Dulles Intl-ORD Chicago O'Hare Intl

5h 46m1 stop Atlanta Hartsfield-Jackson

$192Frontier

Sat, Nov 7 - Tue, Nov 10

7:15 am - 5:12 pmORD Chicago O'Hare Intl-IAD Washington, D.C. Dulles Intl

8h 57m1 stop Atlanta Hartsfield-Jackson

8:05 am - 12:51 pmIAD Washington, D.C. Dulles Intl-ORD Chicago O'Hare Intl

5h 46m1 stop Atlanta Hartsfield-Jackson

$193Frontier

Wed, Nov 11 - Wed, Nov 18

6:42 pm - 5:12 pmMDW Chicago Midway-IAD Washington, D.C. Dulles Intl

21h 30m1 stop Atlanta Hartsfield-Jackson

8:05 am - 11:47 pmIAD Washington, D.C. Dulles Intl-MDW Chicago Midway

16h 42m1 stop Atlanta Hartsfield-Jackson

$195Frontier

Wed, Oct 28 - Wed, Nov 4

7:15 am - 5:12 pmORD Chicago O'Hare Intl-IAD Washington, D.C. Dulles Intl

8h 57m1 stop Atlanta Hartsfield-Jackson

3:30 pm - 12:38 pmIAD Washington, D.C. Dulles Intl-ORD Chicago O'Hare Intl

22h 08m2 stops Asheville Regional Fort Lauderdale

$261Multiple Airlines

Tue, Nov 17 - Thu, Nov 19

8:56 pm - 5:10 amMLI Moline Quad-City-IAD Washington, D.C. Dulles Intl

31h 14m1 stop Las Vegas Harry Reid Intl

10:33 pm - 8:21 amIAD Washington, D.C. Dulles Intl-MLI Moline Quad-City

34h 48m2 stops Atlanta Hartsfield-Jackson Orlando

$275Multiple Airlines

Tue, Nov 24 - Tue, Dec 1

8:04 am - 8:11 pmORD Chicago O'Hare Intl-IAD Washington, D.C. Dulles Intl

11h 07m1 stop Fort Lauderdale

6:36 pm - 7:51 amIAD Washington, D.C. Dulles Intl-ORD Chicago O'Hare Intl

14h 15m2 stops Blountville Tri Cities TN/VA Orlando

$287Multiple Airlines

Sat, Oct 17 - Mon, Oct 19

10:40 am - 5:35 pmMLI Moline Quad-City-IAD Washington, D.C. Dulles Intl

5h 55m1 stop Chicago O'Hare Intl

10:15 am - 1:55 pmIAD Washington, D.C. Dulles Intl-MLI Moline Quad-City

4h 40m1 stop Chicago O'Hare Intl

$291United Airlines

Sat, Oct 31 - Tue, Nov 3

6:30 am - 11:52 amMLI Moline Quad-City-IAD Washington, D.C. Dulles Intl

4h 22m1 stop Chicago O'Hare Intl

3:37 pm - 9:03 pmIAD Washington, D.C. Dulles Intl-MLI Moline Quad-City

6h 26m1 stop Chicago O'Hare Intl

$291United Airlines

Tue, Nov 24 - Tue, Dec 1

2:31 pm - 9:08 pmMLI Moline Quad-City-IAD Washington, D.C. Dulles Intl

5h 37m1 stop Chicago O'Hare Intl

6:11 am - 10:05 amIAD Washington, D.C. Dulles Intl-MLI Moline Quad-City

4h 54m1 stop Chicago O'Hare Intl

$291United Airlines

Tue, Nov 10 - Sat, Nov 14

Cheap last minute flights

Enter your travel dates to find the best prices.

10:26 am - 5:18 pmORD Chicago O'Hare Intl-IAD Washington, D.C. Dulles Intl

5h 52m1 stop Atlanta Hartsfield-Jackson

6:08 pm - 3:30 pmIAD Washington, D.C. Dulles Intl-ORD Chicago O'Hare Intl

22h 22m1 stop Fort Lauderdale

$288Frontier

Thu, Oct 1 - Tue, Oct 13

6:00 am - 3:34 pmORD Chicago O'Hare Intl-IAD Washington, D.C. Dulles Intl

8h 34m1 stop Dallas/Fort Worth

6:08 pm - 3:30 pmIAD Washington, D.C. Dulles Intl-ORD Chicago O'Hare Intl

22h 22m1 stop Fort Lauderdale

$303Frontier

Tue, Oct 6 - Tue, Oct 13

6:00 am - 3:34 pmORD Chicago O'Hare Intl-IAD Washington, D.C. Dulles Intl

8h 34m1 stop Dallas/Fort Worth

6:08 pm - 3:30 pmIAD Washington, D.C. Dulles Intl-ORD Chicago O'Hare Intl

22h 22m1 stop Fort Lauderdale

$304Frontier

Tue, Oct 6 - Tue, Oct 13

10:26 am - 5:18 pmORD Chicago O'Hare Intl-IAD Washington, D.C. Dulles Intl

5h 52m1 stop Atlanta Hartsfield-Jackson

6:08 pm - 3:30 pmIAD Washington, D.C. Dulles Intl-ORD Chicago O'Hare Intl

22h 22m1 stop Fort Lauderdale

$319Frontier

Mon, Oct 5 - Tue, Oct 13

8:25 am - 1:59 pmMLI Moline Quad-City-IAD Washington, D.C. Dulles Intl

4h 34m1 stop Chicago O'Hare Intl

6:10 am - 10:12 amIAD Washington, D.C. Dulles Intl-MLI Moline Quad-City

5h 02m1 stop Chicago O'Hare Intl

$377United Airlines

Sat, Oct 3 - Tue, Oct 6

8:25 am - 1:59 pmMLI Moline Quad-City-IAD Washington, D.C. Dulles Intl

4h 34m1 stop Chicago O'Hare Intl

6:10 am - 10:12 amIAD Washington, D.C. Dulles Intl-MLI Moline Quad-City

5h 02m1 stop Chicago O'Hare Intl

$377United Airlines

Sat, Oct 3 - Tue, Oct 6

5:16 pm - 12:41 amMLI Moline Quad-City-IAD Washington, D.C. Dulles Intl

6h 25m1 stop Atlanta Hartsfield-Jackson

6:00 am - 10:18 amIAD Washington, D.C. Dulles Intl-MLI Moline Quad-City

5h 18m1 stop Atlanta Hartsfield-Jackson

$377Delta

Sat, Oct 3 - Tue, Oct 6

5:16 pm - 12:41 amMLI Moline Quad-City-IAD Washington, D.C. Dulles Intl

6h 25m1 stop Atlanta Hartsfield-Jackson

10:14 am - 4:24 pmIAD Washington, D.C. Dulles Intl-MLI Moline Quad-City

7h 10m1 stop Atlanta Hartsfield-Jackson

$377Delta

Sat, Oct 3 - Wed, Oct 7

3:53 pm - 10:51 pmMLI Moline Quad-City-IAD Washington, D.C. Dulles Intl

5h 58m1 stop Charlotte Douglas

10:35 am - 4:33 pmIAD Washington, D.C. Dulles Intl-MLI Moline Quad-City

6h 58m2 stops Charlotte Douglas Chicago O'Hare Intl

$382American Airlines

Sat, Oct 3 - Tue, Oct 6

6:32 am - 1:59 pmMLI Moline Quad-City-IAD Washington, D.C. Dulles Intl

6h 27m1 stop Chicago O'Hare Intl

6:10 am - 10:12 amIAD Washington, D.C. Dulles Intl-MLI Moline Quad-City

5h 02m1 stop Chicago O'Hare Intl

$409United Airlines

Fri, Oct 2 - Tue, Oct 6

Cheap direct flights

Enter your travel dates to find the best prices.

6:04 am - 8:58 amORD Chicago O'Hare Intl-IAD Washington, D.C. Dulles Intl

1h 54mnonstop

6:11 am - 7:30 amIAD Washington, D.C. Dulles Intl-ORD Chicago O'Hare Intl

2h 19mnonstop

$297United Airlines

Wed, Oct 28 - Mon, Nov 2

2:22 pm - 5:22 pmORD Chicago O'Hare Intl-IAD Washington, D.C. Dulles Intl

2h 00mnonstop

10:10 am - 11:37 amIAD Washington, D.C. Dulles Intl-ORD Chicago O'Hare Intl

2h 27mnonstop

$297United Airlines

Thu, Dec 24 - Wed, Dec 30

12:55 pm - 4:01 pmORD Chicago O'Hare Intl-IAD Washington, D.C. Dulles Intl

2h 06mnonstop

5:29 pm - 6:54 pmIAD Washington, D.C. Dulles Intl-ORD Chicago O'Hare Intl

2h 25mnonstop

$297United Airlines

Wed, Oct 21 - Tue, Oct 27

2:30 pm - 5:32 pmORD Chicago O'Hare Intl-IAD Washington, D.C. Dulles Intl

2h 02mnonstop

10:10 am - 11:33 amIAD Washington, D.C. Dulles Intl-ORD Chicago O'Hare Intl

2h 23mnonstop

$297United Airlines

Wed, Dec 2 - Tue, Dec 8

6:12 pm - 9:15 pmORD Chicago O'Hare Intl-IAD Washington, D.C. Dulles Intl

2h 03mnonstop

6:11 am - 7:30 amIAD Washington, D.C. Dulles Intl-ORD Chicago O'Hare Intl

2h 19mnonstop

$297United Airlines

Sat, Oct 31 - Wed, Nov 4

9:52 pm - 12:58 amORD Chicago O'Hare Intl-IAD Washington, D.C. Dulles Intl

2h 06mnonstop

3:37 pm - 5:00 pmIAD Washington, D.C. Dulles Intl-ORD Chicago O'Hare Intl

2h 23mnonstop

$297United Airlines

Wed, Oct 21 - Tue, Oct 27

8:50 am - 11:55 amORD Chicago O'Hare Intl-IAD Washington, D.C. Dulles Intl

2h 05mnonstop

10:18 pm - 11:32 pmIAD Washington, D.C. Dulles Intl-ORD Chicago O'Hare Intl

2h 14mnonstop

$297United Airlines

Mon, Oct 19 - Thu, Oct 22

5:55 am - 8:49 amORD Chicago O'Hare Intl-IAD Washington, D.C. Dulles Intl

1h 54mnonstop

3:37 pm - 5:00 pmIAD Washington, D.C. Dulles Intl-ORD Chicago O'Hare Intl

2h 23mnonstop

$297United Airlines

Tue, Dec 1 - Thu, Dec 3

6:06 pm - 9:11 pmORD Chicago O'Hare Intl-IAD Washington, D.C. Dulles Intl

2h 05mnonstop

8:23 am - 9:45 amIAD Washington, D.C. Dulles Intl-ORD Chicago O'Hare Intl

2h 22mnonstop

$297United Airlines

Sat, Oct 24 - Sat, Oct 31

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

Our best Frontier deals on Illinois to Washington, D.C. Dulles Intl Airport flight tickets

Frontier

Oct 24

ORD6:00 amChicago O'Hare Intl

10h 13m

1 stop

IAD5:13 pmWashington, D.C. Dulles Intl

Oct 28

IAD8:05 amWashington, D.C. Dulles Intl

11h 11m

1 stop

ORD6:16 pmChicago O'Hare Intl

$191

Frontier

Nov 7

ORD7:15 amChicago O'Hare Intl

8h 57m

1 stop

IAD5:12 pmWashington, D.C. Dulles Intl

Nov 10

IAD8:05 amWashington, D.C. Dulles Intl

5h 46m

1 stop

ORD12:51 pmChicago O'Hare Intl

$192

Frontier

Nov 11

ORD7:15 amChicago O'Hare Intl

8h 57m

1 stop

IAD5:12 pmWashington, D.C. Dulles Intl

Nov 18

IAD8:05 amWashington, D.C. Dulles Intl

5h 46m

1 stop

ORD12:51 pmChicago O'Hare Intl

$193

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

Oct 27

MLI11:21 amMoline Quad-City

7h 55m

2 stops

IAD8:16 pmWashington, D.C. Dulles Intl

Nov 4

IAD10:44 amWashington, D.C. Dulles Intl

5h 51m

1 stop

MLI3:35 pmMoline Quad-City

$296

American Airlines

Nov 10

MLI11:20 amMoline Quad-City

6h 27m

2 stops

IAD6:47 pmWashington, D.C. Dulles Intl

Nov 14

IAD7:00 amWashington, D.C. Dulles Intl

10h 23m

2 stops

MLI4:23 pmMoline Quad-City

$301

American Airlines

Nov 4

PIA4:18 pmGreater Peoria

5h 41m

1 stop

IAD10:59 pmWashington, D.C. Dulles Intl

Nov 7

IAD7:00 amWashington, D.C. Dulles Intl

11h 07m

2 stops

PIA5:07 pmGreater Peoria

$318

momondo Fare Finder

Use the filters below to find and compare flights from Illinois to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoWashington, D.C.

ORD Chicago O'Hare Intl - IAD Washington, D.C. Dulles Intl

ORDIAD

Chicago O'Hare Intl

Sat 10/24

6:00 am-5:13 pm

1 stop10h 13m

Washington, D.C. Dulles Intl

Wed 10/28

8:05 am-6:16 pm

1 stop11h 11m

$191

ChicagoWashington, D.C.

ORD Chicago O'Hare Intl - IAD Washington, D.C. Dulles Intl

ORDIAD

Chicago O'Hare Intl

Sat 11/7

7:15 am-5:12 pm

1 stop8h 57m

Washington, D.C. Dulles Intl

Tue 11/10

8:05 am-12:51 pm

1 stop5h 46m

$192

ChicagoWashington, D.C.

ORD Chicago O'Hare Intl - IAD Washington, D.C. Dulles Intl

ORDIAD

Chicago O'Hare Intl

Wed 11/11

7:15 am-5:12 pm

1 stop8h 57m

Washington, D.C. Dulles Intl

Wed 11/18

8:05 am-12:51 pm

1 stop5h 46m

$193

ChicagoWashington, D.C.

MDW Chicago Midway - IAD Washington, D.C. Dulles Intl

MDWIAD

Chicago Midway

Wed 10/28

6:42 pm-5:12 pm

1 stop21h 30m

Washington, D.C. Dulles Intl

Wed 11/4

8:05 am-11:47 pm

1 stop16h 42m

$195

ChicagoWashington, D.C.

ORD Chicago O'Hare Intl - IAD Washington, D.C. Dulles Intl

ORDIAD

Chicago O'Hare Intl

Tue 11/17

7:15 am-5:12 pm

1 stop8h 57m

Washington, D.C. Dulles Intl

Thu 11/19

3:30 pm-12:38 pm

2 stops22h 08m

$261

MolineWashington, D.C.

MLI Moline Quad-City - IAD Washington, D.C. Dulles Intl

MLIIAD

Moline Quad-City

Tue 11/24

8:56 pm-5:10 am

1 stop31h 14m

Washington, D.C. Dulles Intl

Tue 12/1

10:33 pm-8:21 am

2 stops34h 48m

$275

ChicagoWashington, D.C.

ORD Chicago O'Hare Intl - IAD Washington, D.C. Dulles Intl

ORDIAD

Chicago O'Hare Intl

Sat 10/17

8:04 am-8:11 pm

1 stop11h 07m

Washington, D.C. Dulles Intl

Mon 10/19

6:36 pm-7:51 am

2 stops14h 15m

$287

MolineWashington, D.C.

MLI Moline Quad-City - IAD Washington, D.C. Dulles Intl

MLIIAD

Moline Quad-City

Sat 10/31

10:40 am-5:35 pm

1 stop5h 55m

Washington, D.C. Dulles Intl

Tue 11/3

10:15 am-1:55 pm

1 stop4h 40m

$291

MolineWashington, D.C.

MLI Moline Quad-City - IAD Washington, D.C. Dulles Intl

MLIIAD

Moline Quad-City

Tue 11/24

6:30 am-11:52 am

1 stop4h 22m

Washington, D.C. Dulles Intl

Tue 12/1

3:37 pm-9:03 pm

1 stop6h 26m

$291

Quickest round-trip

MolineWashington, D.C.

MLI Moline Quad-City - IAD Washington, D.C. Dulles Intl

MLIIAD

Moline Quad-City

Tue 11/10

2:31 pm-9:08 pm

1 stop5h 37m

Washington, D.C. Dulles Intl

Sat 11/14

6:11 am-10:05 am

1 stop4h 54m

$291

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Other information

What is the cheapest month to fly to Washington, D.C. Dulles Intl Airport?

In general, December 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 $305. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of December, then flying in May is also cheap. Prices for this month can be found on momondo for an average of $336.

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

Our data shows that Friday 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 $570. When flying out on a Tuesday, 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 $878.

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 morning is the least expensive time of day to depart. momondo users have found prices as low as $616 when looking at flights departing in the morning. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $1,009 on average. Flights to Washington, D.C. Dulles Intl Airport from Illinois at noon 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 from Illinois to Washington, D.C. Dulles Intl Airport?

You are more likely to see cheaper flights to Washington, D.C. Dulles Intl Airport from Illinois when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. Dulles Intl Airport for around $372 when searching weeks out. 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 $250 on momondo.

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

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

You could potentially save up to 30% 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	$100
Fastest flight time	1h 44m
Direct flights	Every day

The best one-way flight to Washington, D.C. Dulles Intl Airport from Illinois in the past 72 hours is $100. The best round-trip flight deal from Illinois to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is $191.

The fastest flight from Illinois to Washington, D.C. Dulles Intl Airport takes 1h 44m

Direct flights go from Illinois to Washington, D.C. Dulles Intl Airport every day.

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Frequently asked questions about flying from Illinois to Washington, D.C. Dulles Intl Airport

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?
As of September 2026, there are 2 operators available to choose from 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?
Based on momondo bookings for flights between Illinois and Washington, D.C. Dulles Intl Airport, the leading plane model is Boeing 737-900, making up 15.10% of the total bookings. Other popular models include Airbus A321neo with 14.23%, Boeing 737 MAX 8 with 10.03%, and Boeing 737 MAX 9 with 10.03%.

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
Frontier	PriceFrom $144	Free Cancellation	Rating 5.6 2,565 reviews		Search Frontier flights
United Airlines	PriceFrom $220	Free Cancellation	Rating 7.4 10,270 reviews		Search United Airlines flights

Alexandria

National Harbor

Arlington

Gettysburg

Winchester

Fredericksburg

Waldorf

Laurel

Woodbridge

Gaithersburg

Linthicum Heights

Rockville

Silver Spring

Towson

Sterling

Fairfax

Springfield

Glen Burnie

Edgewood

Martinsburg

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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Cheap flights from Illinois to Washington, D.C. from $100

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. departing on 12/8. 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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Frontier flights from Illinois to Washington, D.C. Dulles Intl Airport

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