How does KAYAK find such low prices on flights from Washington to Washington, D.C.?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Washington to Washington, D.C..

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington to Washington, D.C.?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Washington, D.C. from Washington is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Washington to Washington, D.C.?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Washington, D.C. with an airline and back to Washington with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington to Washington, D.C.?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Washington, D.C. from Washington up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

$141 CHEAP FLIGHTS from Washington to Washington, D.C. (IAD)

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Flight Deals

Cheap Flights from Washington to Dulles Intl

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Direct

Recent round-trip flight deals from Washington to Dulles Intl

Wed, Dec 2 - Tue, Dec 8

8:09 am - 4:08 pmSEA Seattle/Tacoma Intl-IAD Washington, D.C. Dulles Intl

4h 59mnonstop

3:14 pm - 9:58 pmIAD Washington, D.C. Dulles Intl-SEA Seattle/Tacoma Intl

9h 44m1 stop Los Angeles

$303United Airlines

Fri, Dec 4 - Tue, Dec 8

8:09 am - 4:08 pmSEA Seattle/Tacoma Intl-IAD Washington, D.C. Dulles Intl

4h 59mnonstop

3:14 pm - 9:58 pmIAD Washington, D.C. Dulles Intl-SEA Seattle/Tacoma Intl

9h 44m1 stop Los Angeles

$303United Airlines

Thu, Nov 19 - Thu, Nov 26

2:07 pm - 11:21 pmGEG Spokane-IAD Washington, D.C. Dulles Intl

6h 14m1 stop Minneapolis St Paul

7:00 am - 12:06 pmIAD Washington, D.C. Dulles Intl-GEG Spokane

8h 06m1 stop Seattle/Tacoma Intl

$303Delta

Thu, Nov 19 - Mon, Nov 23

2:07 pm - 11:21 pmGEG Spokane-IAD Washington, D.C. Dulles Intl

6h 14m1 stop Minneapolis St Paul

7:00 am - 12:15 pmIAD Washington, D.C. Dulles Intl-GEG Spokane

8h 15m1 stop Seattle/Tacoma Intl

$303Delta

Mon, Dec 7 - Wed, Dec 9

8:56 pm - 8:10 pmSEA Seattle/Tacoma Intl-IAD Washington, D.C. Dulles Intl

20h 14m2 stops Las Vegas Harry Reid Intl Dallas/Fort Worth

8:55 pm - 8:04 pmIAD Washington, D.C. Dulles Intl-SEA Seattle/Tacoma Intl

26h 09m2 stops Dallas/Fort Worth Los Angeles

$312Frontier

Fri, Dec 11 - Tue, Dec 15

5:10 am - 6:14 pmSEA Seattle/Tacoma Intl-IAD Washington, D.C. Dulles Intl

10h 04m1 stop Dallas/Fort Worth

6:00 am - 3:40 pmIAD Washington, D.C. Dulles Intl-SEA Seattle/Tacoma Intl

12h 40m1 stop Los Angeles

$317American Airlines

Thu, Dec 3 - Mon, Dec 7

4:42 pm - 5:34 amSEA Seattle/Tacoma Intl-IAD Washington, D.C. Dulles Intl

9h 52m1 stop Los Angeles

10:46 am - 6:22 pmIAD Washington, D.C. Dulles Intl-SEA Seattle/Tacoma Intl

10h 36m1 stop Charlotte Douglas

$317American Airlines

Thu, Dec 10 - Tue, Dec 15

1:36 pm - 5:38 pmSEA Seattle/Tacoma Intl-IAD Washington, D.C. Dulles Intl

25h 02m2 stops Los Angeles Atlanta Hartsfield-Jackson

10:35 pm - 3:43 pmIAD Washington, D.C. Dulles Intl-SEA Seattle/Tacoma Intl

20h 08m2 stops Atlanta Hartsfield-Jackson Denver Intl

$323Frontier

Sun, Dec 13 - Sun, Dec 20

8:15 am - 4:15 pmSEA Seattle/Tacoma Intl-IAD Washington, D.C. Dulles Intl

5h 00mnonstop

7:05 am - 10:00 amIAD Washington, D.C. Dulles Intl-SEA Seattle/Tacoma Intl

5h 55mnonstop

$333Alaska Airlines

Sun, Dec 6 - Tue, Jan 12

9:40 pm - 5:35 amSEA Seattle/Tacoma Intl-IAD Washington, D.C. Dulles Intl

4h 55mnonstop

5:30 pm - 8:33 pmIAD Washington, D.C. Dulles Intl-SEA Seattle/Tacoma Intl

6h 03mnonstop

$337Alaska Airlines

Recent last minute flight deals from Washington to Dulles Intl

Sun, Nov 1 - Wed, Dec 2

11:22 am - 9:10 pmGEG Spokane-IAD Washington, D.C. Dulles Intl

6h 48m1 stop Chicago O'Hare Intl

3:37 pm - 10:15 pmIAD Washington, D.C. Dulles Intl-GEG Spokane

9h 38m1 stop Chicago O'Hare Intl

$533United Airlines

Tue, Nov 3 - Mon, Nov 23

7:48 pm - 5:12 pmSEA Seattle/Tacoma Intl-IAD Washington, D.C. Dulles Intl

18h 24m2 stops Los Angeles Atlanta Hartsfield-Jackson

1:09 pm - 9:03 amIAD Washington, D.C. Dulles Intl-SEA Seattle/Tacoma Intl

22h 54m2 stops Las Vegas Harry Reid Intl Ontario

$586Frontier

Thu, Nov 5 - Wed, Nov 18

9:13 pm - 5:12 pmSEA Seattle/Tacoma Intl-IAD Washington, D.C. Dulles Intl

16h 59m2 stops Las Vegas Harry Reid Intl Atlanta Hartsfield-Jackson

7:48 am - 9:45 amIAD Washington, D.C. Dulles Intl-SEA Seattle/Tacoma Intl

28h 57m2 stops Atlanta Hartsfield-Jackson Las Vegas Harry Reid Intl

$589Frontier

Thu, Nov 5 - Wed, Nov 11

1:49 pm - 5:44 amPSC Pasco Tri Cities-IAD Washington, D.C. Dulles Intl

12h 55m1 stop Seattle/Tacoma Intl

5:17 pm - 11:48 pmIAD Washington, D.C. Dulles Intl-PSC Pasco Tri Cities

9h 31m1 stop Seattle/Tacoma Intl

$590Alaska Airlines

Sun, Nov 1 - Thu, Dec 17

5:54 pm - 5:44 amGEG Spokane-IAD Washington, D.C. Dulles Intl

8h 50m1 stop Seattle/Tacoma Intl

7:05 am - 12:33 pmIAD Washington, D.C. Dulles Intl-GEG Spokane

8h 28m1 stop Seattle/Tacoma Intl

$594Alaska Airlines

Wed, Nov 4 - Fri, Nov 6

12:21 pm - 11:35 pmPSC Pasco Tri Cities-IAD Washington, D.C. Dulles Intl

8h 14m1 stop Salt Lake City

5:13 pm - 11:59 pmIAD Washington, D.C. Dulles Intl-PSC Pasco Tri Cities

9h 46m2 stops Detroit Metropolitan Wayne County Seattle/Tacoma Intl

$595Delta

Thu, Nov 5 - Wed, Nov 11

12:21 pm - 11:35 pmPSC Pasco Tri Cities-IAD Washington, D.C. Dulles Intl

8h 14m1 stop Salt Lake City

5:16 pm - 11:59 pmIAD Washington, D.C. Dulles Intl-PSC Pasco Tri Cities

9h 43m2 stops Detroit Metropolitan Wayne County Seattle/Tacoma Intl

$595Delta

Wed, Nov 4 - Fri, Nov 6

5:10 am - 3:44 pmPSC Pasco Tri Cities-IAD Washington, D.C. Dulles Intl

7h 34m1 stop Denver Intl

6:10 am - 1:06 pmIAD Washington, D.C. Dulles Intl-PSC Pasco Tri Cities

9h 56m1 stop Denver Intl

$698United Airlines

Tue, Nov 3 - Wed, Dec 2

9:49 pm - 5:44 amSEA Seattle/Tacoma Intl-IAD Washington, D.C. Dulles Intl

4h 55mnonstop

6:00 am - 3:50 pmIAD Washington, D.C. Dulles Intl-SEA Seattle/Tacoma Intl

12h 50m1 stop Los Angeles

$717American Airlines

Mon, Nov 2 - Wed, Dec 2

8:07 am - 4:14 pmSEA Seattle/Tacoma Intl-IAD Washington, D.C. Dulles Intl

5h 07mnonstop

6:00 am - 3:50 pmIAD Washington, D.C. Dulles Intl-SEA Seattle/Tacoma Intl

12h 50m1 stop Los Angeles

$717American Airlines

Recent direct flight deals from Washington to Dulles Intl

Sun, Dec 13 - Sun, Dec 20

8:15 am - 4:15 pmSEA Seattle/Tacoma Intl-IAD Washington, D.C. Dulles Intl

5h 00mnonstop

7:05 am - 10:00 amIAD Washington, D.C. Dulles Intl-SEA Seattle/Tacoma Intl

5h 55mnonstop

$333Alaska Airlines

Sun, Dec 6 - Tue, Jan 12

9:40 pm - 5:35 amSEA Seattle/Tacoma Intl-IAD Washington, D.C. Dulles Intl

4h 55mnonstop

5:30 pm - 8:33 pmIAD Washington, D.C. Dulles Intl-SEA Seattle/Tacoma Intl

6h 03mnonstop

$337Alaska Airlines

Sat, Dec 12 - Wed, Jan 6

11:55 am - 7:59 pmSEA Seattle/Tacoma Intl-IAD Washington, D.C. Dulles Intl

5h 04mnonstop

7:00 am - 10:01 amIAD Washington, D.C. Dulles Intl-SEA Seattle/Tacoma Intl

6h 01mnonstop

$337Delta

Wed, Dec 16 - Wed, Jan 6

4:30 pm - 12:31 amSEA Seattle/Tacoma Intl-IAD Washington, D.C. Dulles Intl

5h 01mnonstop

7:00 am - 10:01 amIAD Washington, D.C. Dulles Intl-SEA Seattle/Tacoma Intl

6h 01mnonstop

$337Delta

Tue, Dec 15 - Tue, Jan 5

8:09 am - 4:08 pmSEA Seattle/Tacoma Intl-IAD Washington, D.C. Dulles Intl

4h 59mnonstop

5:55 pm - 9:02 pmIAD Washington, D.C. Dulles Intl-SEA Seattle/Tacoma Intl

6h 07mnonstop

$337United Airlines

Sun, Dec 6 - Wed, Jan 6

9:40 pm - 5:35 amSEA Seattle/Tacoma Intl-IAD Washington, D.C. Dulles Intl

4h 55mnonstop

5:30 pm - 8:33 pmIAD Washington, D.C. Dulles Intl-SEA Seattle/Tacoma Intl

6h 03mnonstop

$337Alaska Airlines

Mon, Dec 7 - Wed, Jan 6

4:30 pm - 12:31 amSEA Seattle/Tacoma Intl-IAD Washington, D.C. Dulles Intl

5h 01mnonstop

7:00 am - 10:01 amIAD Washington, D.C. Dulles Intl-SEA Seattle/Tacoma Intl

6h 01mnonstop

$337Delta

Tue, Dec 1 - Thu, Dec 10

8:09 am - 4:08 pmSEA Seattle/Tacoma Intl-IAD Washington, D.C. Dulles Intl

4h 59mnonstop

5:55 pm - 9:01 pmIAD Washington, D.C. Dulles Intl-SEA Seattle/Tacoma Intl

6h 06mnonstop

$364United Airlines

Tue, Dec 15 - Tue, Jan 5

8:15 am - 4:15 pmSEA Seattle/Tacoma Intl-IAD Washington, D.C. Dulles Intl

5h 00mnonstop

5:30 pm - 8:33 pmIAD Washington, D.C. Dulles Intl-SEA Seattle/Tacoma Intl

6h 03mnonstop

$467American Airlines

Sat, Dec 12 - Wed, Jan 6

8:15 am - 4:15 pmSEA Seattle/Tacoma Intl-IAD Washington, D.C. Dulles Intl

5h 00mnonstop

5:30 pm - 8:33 pmIAD Washington, D.C. Dulles Intl-SEA Seattle/Tacoma Intl

6h 03mnonstop

$467American Airlines

Useful Info

Low season	January
High season	December
Cheapest flight	$141

Best time to beat the crowds with an average 8% drop in price.

Most popular time to fly and prices are also 6% lower on average.

Flight from Spokane to Washington Dulles Airport

SuzetteFlew with Alaska Airlines-May 2025

Take a shower before arriving at airport and don't wear perfume at all! Pack bags tight, so boarding is smooth and quick.

DanielFlew with Alaska Airlines-May 2025

Seatac has gnarly traffic right now, took 35min to get from highway exit to the terminal

How does KAYAK find such low prices on flights from Washington to Washington, D.C.?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Washington to Washington, D.C..
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington to Washington, D.C.?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Washington, D.C. from Washington is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Washington to Washington, D.C.?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Washington, D.C. with an airline and back to Washington with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington to Washington, D.C.?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Washington, D.C. from Washington up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

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Owings Mills

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Charles Town

Greenbelt

Glen Burnie

Edgewood

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$141 Find Cheap Flights from Washington to Washington, D.C. - Compare and Save

Cheap Flights from Washington to Dulles Intl

Recent round-trip flight deals from Washington to Dulles Intl

Recent one-way flight deals from Washington to Dulles Intl

Recent last minute flight deals from Washington to Dulles Intl

Recent direct flight deals from Washington to Dulles Intl

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Flights from Washington to Dulles Intl: the best tips from KAYAK users

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