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

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

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 26m. Keep in mind that layovers or delays could extend your travel time.

What airlines fly to Washington, D.C. Dulles Intl Airport?

United Airlines, Frontier and Delta are the top three most popular airlines that fly to Washington, D.C. Dulles Intl Airport from Illinois according to our data. United Airlines is the first choice among our users, with 93% of people opting to fly with this airline when traveling to Washington, D.C. Dulles Intl Airport. Keep in mind that there are 3 different airlines that fly to Washington, D.C. Dulles Intl Airport on a routine basis, so you have a few additional options to choose from.

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

As of August 2026, there are 4 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.

$59 Cheap Flights from Illinois to Washington, D.C. Dulles Intl Airport in 2026

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

As of August 2026, 210 flights take off from Illinois and land in Washington, D.C. Dulles Intl Airport each week. The most common flight departure day for this route is Fri, with 20% of weekly flights taking off on this day.

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

As of August 2026, 30 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 11:00AM, with 46% of daily flights taking off at noon.

Discover deals from 900+ travel sites with momondo.

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

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

11:15 am - 10:17 amORD Chicago O'Hare Intl-IAD Washington, D.C. Dulles Intl

22h 02m1 stop Orlando

6:10 am - 7:25 amIAD Washington, D.C. Dulles Intl-ORD Chicago O'Hare Intl

2h 15mnonstop

$180Frontier

Mon, Sep 28 - Mon, Oct 5

6:25 am - 5:18 pmMDW Chicago Midway-IAD Washington, D.C. Dulles Intl

9h 53m1 stop Atlanta Hartsfield-Jackson

7:50 am - 5:46 pmIAD Washington, D.C. Dulles Intl-MDW Chicago Midway

10h 56m1 stop Atlanta Hartsfield-Jackson

$180Frontier

Thu, Sep 24 - Thu, Oct 1

10:50 am - 1:55 pmORD Chicago O'Hare Intl-IAD Washington, D.C. Dulles Intl

2h 05mnonstop

3:15 pm - 4:29 pmIAD Washington, D.C. Dulles Intl-ORD Chicago O'Hare Intl

2h 14mnonstop

$184United Airlines

Sun, Sep 6 - Tue, Sep 8

9:39 pm - 12:44 amORD Chicago O'Hare Intl-IAD Washington, D.C. Dulles Intl

2h 05mnonstop

10:27 pm - 11:40 pmIAD Washington, D.C. Dulles Intl-ORD Chicago O'Hare Intl

2h 13mnonstop

$184United Airlines

Fri, Sep 11 - Mon, Sep 14

7:11 am - 6:33 pmORD Chicago O'Hare Intl-IAD Washington, D.C. Dulles Intl

10h 22m2 stops Fort Lauderdale Tampa

6:13 pm - 2:45 pmIAD Washington, D.C. Dulles Intl-ORD Chicago O'Hare Intl

21h 32m1 stop Fort Lauderdale

$188Multiple Airlines

Sat, Sep 12 - Wed, Sep 16

7:11 am - 6:33 pmORD Chicago O'Hare Intl-IAD Washington, D.C. Dulles Intl

10h 22m2 stops Fort Lauderdale Tampa

6:13 pm - 3:20 pmIAD Washington, D.C. Dulles Intl-ORD Chicago O'Hare Intl

22h 07m1 stop Fort Lauderdale

$189Multiple Airlines

Sat, Sep 12 - Mon, Sep 14

7:00 am - 2:08 pmSTL Lambert-St Louis-IAD Washington, D.C. Dulles Intl

6h 08m1 stop Atlanta Hartsfield-Jackson

7:45 pm - 11:54 pmIAD Washington, D.C. Dulles Intl-STL Lambert-St Louis

5h 09m1 stop Atlanta Hartsfield-Jackson

$251Delta

Sat, Oct 17 - Fri, Oct 23

7:20 pm - 12:42 amSTL Lambert-St Louis-IAD Washington, D.C. Dulles Intl

4h 22m1 stop Atlanta Hartsfield-Jackson

3:03 pm - 9:23 pmIAD Washington, D.C. Dulles Intl-STL Lambert-St Louis

7h 20m1 stop Atlanta Hartsfield-Jackson

$256Delta

Fri, Oct 16 - Tue, Oct 20

1:54 pm - 6:57 pmSTL Lambert-St Louis-IAD Washington, D.C. Dulles Intl

4h 03m1 stop Charlotte Douglas

6:14 am - 9:29 amIAD Washington, D.C. Dulles Intl-STL Lambert-St Louis

4h 15m1 stop Charlotte Douglas

$263American Airlines

Thu, Sep 24 - Mon, Sep 28

1:54 pm - 6:57 pmSTL Lambert-St Louis-IAD Washington, D.C. Dulles Intl

4h 03m1 stop Charlotte Douglas

6:14 am - 9:29 amIAD Washington, D.C. Dulles Intl-STL Lambert-St Louis

4h 15m1 stop Charlotte Douglas

$263American Airlines

Thu, Sep 24 - Sat, Sep 26

Cheap last minute flights

Enter your travel dates to find the best prices.

7:00 am - 6:29 pmORD Chicago O'Hare Intl-IAD Washington, D.C. Dulles Intl

10h 29m1 stop Dallas/Fort Worth

4:52 pm - 11:08 pmIAD Washington, D.C. Dulles Intl-ORD Chicago O'Hare Intl

7h 16m1 stop Orlando

$252Frontier

Tue, Aug 18 - Mon, Aug 31

7:05 am - 5:14 pmORD Chicago O'Hare Intl-IAD Washington, D.C. Dulles Intl

9h 09m1 stop Atlanta Hartsfield-Jackson

10:45 am - 11:08 pmIAD Washington, D.C. Dulles Intl-ORD Chicago O'Hare Intl

13h 23m1 stop Orlando

$252Frontier

Wed, Aug 19 - Mon, Aug 31

12:44 pm - 3:50 pmSTL Lambert-St Louis-IAD Washington, D.C. Dulles Intl

2h 06mnonstop

8:20 am - 11:57 amIAD Washington, D.C. Dulles Intl-STL Lambert-St Louis

4h 37m1 stop Chicago O'Hare Intl

$346United Airlines

Sat, Aug 15 - Thu, Sep 17

5:40 am - 1:55 pmMLI Moline Quad-City-IAD Washington, D.C. Dulles Intl

7h 15m1 stop Chicago O'Hare Intl

6:15 am - 9:54 amIAD Washington, D.C. Dulles Intl-MLI Moline Quad-City

4h 39m1 stop Chicago O'Hare Intl

$357United Airlines

Sat, Aug 15 - Tue, Aug 18

1:50 pm - 10:52 pmORD Chicago O'Hare Intl-IAD Washington, D.C. Dulles Intl

8h 02m1 stop Atlanta Hartsfield-Jackson

9:04 pm - 11:48 amIAD Washington, D.C. Dulles Intl-ORD Chicago O'Hare Intl

15h 44m2 stops Atlanta Hartsfield-Jackson Minneapolis St Paul

$376Multiple Airlines

Sat, Aug 15 - Fri, Sep 18

4:05 pm - 10:55 pmMLI Moline Quad-City-IAD Washington, D.C. Dulles Intl

5h 50m1 stop Charlotte Douglas

5:34 pm - 12:08 amIAD Washington, D.C. Dulles Intl-MLI Moline Quad-City

7h 34m2 stops Charlotte Douglas Chicago O'Hare Intl

$432American Airlines

Sat, Aug 15 - Tue, Aug 18

5:49 pm - 10:55 pmORD Chicago O'Hare Intl-IAD Washington, D.C. Dulles Intl

4h 06m1 stop Charlotte Douglas

10:27 am - 2:22 pmIAD Washington, D.C. Dulles Intl-ORD Chicago O'Hare Intl

4h 55m1 stop Charlotte Douglas

$437American Airlines

Tue, Aug 18 - Wed, Aug 19

6:25 pm - 11:26 pmSTL Lambert-St Louis-IAD Washington, D.C. Dulles Intl

4h 01m1 stop Detroit Metropolitan Wayne County

5:25 pm - 8:42 pmIAD Washington, D.C. Dulles Intl-STL Lambert-St Louis

4h 17m1 stop Detroit Metropolitan Wayne County

$514Delta

Wed, Aug 19 - Fri, Aug 21

6:25 pm - 11:26 pmSTL Lambert-St Louis-IAD Washington, D.C. Dulles Intl

4h 01m1 stop Detroit Metropolitan Wayne County

12:30 pm - 4:17 pmIAD Washington, D.C. Dulles Intl-STL Lambert-St Louis

4h 47m1 stop Atlanta Hartsfield-Jackson

$514Delta

Mon, Aug 17 - Tue, Aug 18

6:02 am - 6:10 pmSTL Lambert-St Louis-IAD Washington, D.C. Dulles Intl

35h 08m2 stops Seattle/Tacoma Intl Calgary

9:03 am - 11:59 pmIAD Washington, D.C. Dulles Intl-STL Lambert-St Louis

15h 56m1 stop Seattle/Tacoma Intl

$3,947Multiple Airlines

Sun, Aug 16 - Fri, Aug 21

Cheap direct flights

Enter your travel dates to find the best prices.

2:30 pm - 5:37 pmORD Chicago O'Hare Intl-IAD Washington, D.C. Dulles Intl

2h 07mnonstop

8:20 am - 9:38 amIAD Washington, D.C. Dulles Intl-ORD Chicago O'Hare Intl

2h 18mnonstop

$184United Airlines

Tue, Sep 1 - Sat, Sep 5

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

2h 06mnonstop

10:27 pm - 11:40 pmIAD Washington, D.C. Dulles Intl-ORD Chicago O'Hare Intl

2h 13mnonstop

$184United Airlines

Wed, Sep 9 - Fri, Sep 11

6:15 pm - 9:20 pmORD Chicago O'Hare Intl-IAD Washington, D.C. Dulles Intl

2h 05mnonstop

3:15 pm - 4:29 pmIAD Washington, D.C. Dulles Intl-ORD Chicago O'Hare Intl

2h 14mnonstop

$184United Airlines

Wed, Sep 9 - Fri, Sep 11

6:30 am - 9:28 amORD Chicago O'Hare Intl-IAD Washington, D.C. Dulles Intl

1h 58mnonstop

1:13 pm - 2:30 pmIAD Washington, D.C. Dulles Intl-ORD Chicago O'Hare Intl

2h 17mnonstop

$184United Airlines

Sat, Sep 5 - Tue, Sep 8

6:15 pm - 9:20 pmORD Chicago O'Hare Intl-IAD Washington, D.C. Dulles Intl

2h 05mnonstop

3:15 pm - 4:29 pmIAD Washington, D.C. Dulles Intl-ORD Chicago O'Hare Intl

2h 14mnonstop

$184United Airlines

Wed, Sep 9 - Fri, Sep 11

2:30 pm - 5:37 pmORD Chicago O'Hare Intl-IAD Washington, D.C. Dulles Intl

2h 07mnonstop

3:40 pm - 4:59 pmIAD Washington, D.C. Dulles Intl-ORD Chicago O'Hare Intl

2h 19mnonstop

$184United Airlines

Wed, Sep 2 - Sat, Sep 5

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

2h 06mnonstop

6:13 am - 7:28 amIAD Washington, D.C. Dulles Intl-ORD Chicago O'Hare Intl

2h 15mnonstop

$184United Airlines

Fri, Sep 11 - Thu, Sep 17

6:30 am - 9:28 amORD Chicago O'Hare Intl-IAD Washington, D.C. Dulles Intl

1h 58mnonstop

5:15 pm - 6:37 pmIAD Washington, D.C. Dulles Intl-ORD Chicago O'Hare Intl

2h 22mnonstop

$184United Airlines

Wed, Sep 2 - Sun, Sep 6

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

2h 06mnonstop

1:13 pm - 2:30 pmIAD Washington, D.C. Dulles Intl-ORD Chicago O'Hare Intl

2h 17mnonstop

$184United Airlines

Fri, Sep 11 - Tue, Sep 15

8:40 am - 11:54 amSTL Lambert-St Louis-IAD Washington, D.C. Dulles Intl

2h 14mnonstop

8:25 am - 9:39 amIAD Washington, D.C. Dulles Intl-STL Lambert-St Louis

2h 14mnonstop

$244United Airlines

Sat, Sep 12 - Sat, Sep 19

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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

Sep 28

ORD11:15 amChicago O'Hare Intl

22h 02m

1 stop

IAD10:17 amWashington, D.C. Dulles Intl

Oct 5

IAD6:10 amWashington, D.C. Dulles Intl

2h 15m

ORD7:25 amChicago O'Hare Intl

$180

Frontier

Sep 18

ORD3:50 pmChicago O'Hare Intl

17h 27m

1 stop

IAD10:17 amWashington, D.C. Dulles Intl

Sep 21

IAD12:30 pmWashington, D.C. Dulles Intl

13h 15m

1 stop

ORD12:45 amChicago O'Hare Intl

$181

Frontier

Aug 31

ORD6:05 amChicago O'Hare Intl

9h 02m

1 stop

IAD4:07 pmWashington, D.C. Dulles Intl

Sep 3

IAD8:59 amWashington, D.C. Dulles Intl

10h 38m

1 stop

ORD6:37 pmChicago O'Hare Intl

$182

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

Sep 5

ORD6:59 amChicago O'Hare Intl

3h 49m

1 stop

IAD11:48 amWashington, D.C. Dulles Intl

Sep 7

IAD6:10 amWashington, D.C. Dulles Intl

5h 32m

1 stop

ORD10:42 amChicago O'Hare Intl

$197

Delta

Sep 11

MDW5:03 pmChicago Midway

5h 11m

1 stop

IAD11:14 pmWashington, D.C. Dulles Intl

Sep 17

IAD6:10 amWashington, D.C. Dulles Intl

3h 57m

1 stop

MDW9:07 amChicago Midway

$204

Delta

Sep 3

MDW10:54 amChicago Midway

4h 48m

1 stop

IAD4:42 pmWashington, D.C. Dulles Intl

Sep 5

IAD6:10 amWashington, D.C. Dulles Intl

4h 07m

1 stop

MDW9:17 amChicago Midway

$206

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

Mon 9/28

11:15 am-10:17 am

1 stop22h 02m

Washington, D.C. Dulles Intl

Mon 10/5

6:10 am-7:25 am

Nonstop2h 15m

$180

ChicagoWashington, D.C.

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

MDWIAD

Chicago Midway

Thu 9/24

6:25 am-5:18 pm

1 stop9h 53m

Washington, D.C. Dulles Intl

Thu 10/1

7:50 am-5:46 pm

1 stop10h 56m

$180

ChicagoWashington, D.C.

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

ORDIAD

Chicago O'Hare Intl

Sun 9/6

10:50 am-1:55 pm

Nonstop2h 05m

Washington, D.C. Dulles Intl

Tue 9/8

3:15 pm-4:29 pm

Nonstop2h 14m

$184

Quickest round-trip

ChicagoWashington, D.C.

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

ORDIAD

Chicago O'Hare Intl

Fri 9/11

9:39 pm-12:44 am

Nonstop2h 05m

Washington, D.C. Dulles Intl

Mon 9/14

10:27 pm-11:40 pm

Nonstop2h 13m

$184

ChicagoWashington, D.C.

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

ORDIAD

Chicago O'Hare Intl

Sat 9/12

7:11 am-6:33 pm

2 stops10h 22m

Washington, D.C. Dulles Intl

Wed 9/16

6:13 pm-2:45 pm

1 stop21h 32m

$188

ChicagoWashington, D.C.

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

ORDIAD

Chicago O'Hare Intl

Sat 9/12

7:11 am-6:33 pm

2 stops10h 22m

Washington, D.C. Dulles Intl

Mon 9/14

6:13 pm-3:20 pm

1 stop22h 07m

$189

St. LouisWashington, D.C.

STL Lambert-St Louis - IAD Washington, D.C. Dulles Intl

STLIAD

Lambert-St Louis

Sat 10/17

7:00 am-2:08 pm

1 stop6h 08m

Washington, D.C. Dulles Intl

Fri 10/23

7:45 pm-11:54 pm

1 stop5h 09m

$251

St. LouisWashington, D.C.

STL Lambert-St Louis - IAD Washington, D.C. Dulles Intl

STLIAD

Lambert-St Louis

Fri 10/16

7:20 pm-12:42 am

1 stop4h 22m

Washington, D.C. Dulles Intl

Tue 10/20

3:03 pm-9:23 pm

1 stop7h 20m

$256

St. LouisWashington, D.C.

STL Lambert-St Louis - IAD Washington, D.C. Dulles Intl

STLIAD

Lambert-St Louis

Thu 9/24

1:54 pm-6:57 pm

1 stop4h 03m

Washington, D.C. Dulles Intl

Mon 9/28

6:14 am-9:29 am

1 stop4h 15m

$263

St. LouisWashington, D.C.

STL Lambert-St Louis - IAD Washington, D.C. Dulles Intl

STLIAD

Lambert-St Louis

Thu 9/24

1:54 pm-6:57 pm

1 stop4h 03m

Washington, D.C. Dulles Intl

Sat 9/26

6:14 am-9:29 am

1 stop4h 15m

$263

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, September 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 $308. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of September, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $328.

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 $580. 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 $877.

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 $602 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 $1,003 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 $360 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 $271 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 1% 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	$254
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 $254. The best round-trip flight deal from Illinois to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is $390.

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 August 2026, there are 4 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 16.03% of the total bookings. Other popular models include Airbus A321neo with 13.22%, Boeing 737 MAX 8 with 12.07%, and Boeing 737-800 with 8.10%.

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 $99	Free Cancellation	Rating 5.6 2,692 reviews	Search Frontier flights
United Airlines	PriceFrom $225	Free Cancellation	Rating 7.4 10,112 reviews	Search United Airlines flights
Delta	PriceFrom $296	Free Cancellation	Rating 7.8 8,508 reviews	Search Delta flights

Alexandria

National Harbor

Arlington

Gettysburg

Winchester

Waldorf

Laurel

Woodbridge

Fredericksburg

Gaithersburg

Linthicum Heights

Rockville

Silver Spring

Towson

Sterling

Colonial Beach

Springfield

Fairfax

Tysons

Edgewood

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 $59

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 9/4. 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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Frontier flights from Illinois to Washington, D.C. Dulles Intl Airport

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