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.

$163 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

Sat, Sep 26 - Wed, Sep 30

9:45 pm - 6:20 amSEA Seattle/Tacoma Intl-IAD Washington, D.C. Dulles Intl

29h 35m1 stop Las Vegas Harry Reid Intl

6:00 am - 9:42 amIAD Washington, D.C. Dulles Intl-SEA Seattle/Tacoma Intl

30h 42m1 stop Las Vegas Harry Reid Intl

$298Frontier

Wed, Sep 30 - Mon, Oct 5

9:45 pm - 6:20 amSEA Seattle/Tacoma Intl-IAD Washington, D.C. Dulles Intl

29h 35m1 stop Las Vegas Harry Reid Intl

6:00 am - 9:42 amIAD Washington, D.C. Dulles Intl-SEA Seattle/Tacoma Intl

30h 42m1 stop Las Vegas Harry Reid Intl

$298Frontier

Sat, Sep 26 - Sat, Oct 3

6:32 pm - 5:40 amGEG Spokane-IAD Washington, D.C. Dulles Intl

8h 08m1 stop Seattle/Tacoma Intl

7:02 am - 12:54 pmIAD Washington, D.C. Dulles Intl-GEG Spokane

8h 52m1 stop Seattle/Tacoma Intl

$337Alaska Airlines

Sat, Sep 26 - Sat, Oct 3

9:23 am - 8:01 pmGEG Spokane-IAD Washington, D.C. Dulles Intl

7h 38m1 stop Seattle/Tacoma Intl

7:25 am - 3:14 pmIAD Washington, D.C. Dulles Intl-GEG Spokane

10h 49m1 stop Seattle/Tacoma Intl

$337Delta

Wed, Nov 25 - Wed, Dec 2

1:08 pm - 12:41 amGEG Spokane-IAD Washington, D.C. Dulles Intl

8h 33m1 stop Atlanta Hartsfield-Jackson

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

8h 15m1 stop Seattle/Tacoma Intl

$337Delta

Thu, Oct 1 - Wed, Oct 7

3:56 pm - 11:59 pmSEA Seattle/Tacoma Intl-IAD Washington, D.C. Dulles Intl

5h 03mnonstop

7:02 am - 9:44 amIAD Washington, D.C. Dulles Intl-SEA Seattle/Tacoma Intl

5h 42mnonstop

$345Alaska Airlines

Thu, Oct 29 - Sun, Nov 1

6:00 am - 6:23 pmGEG Spokane-IAD Washington, D.C. Dulles Intl

9h 23m1 stop Dallas/Fort Worth

2:42 pm - 8:40 pmIAD Washington, D.C. Dulles Intl-GEG Spokane

8h 58m1 stop Dallas/Fort Worth

$347American Airlines

Thu, Oct 1 - Tue, Oct 6

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

5h 05mnonstop

6:00 am - 9:42 amIAD Washington, D.C. Dulles Intl-SEA Seattle/Tacoma Intl

30h 42m1 stop Las Vegas Harry Reid Intl

$353Multiple Airlines

Sat, Sep 26 - Fri, Oct 2

9:45 pm - 6:20 amSEA Seattle/Tacoma Intl-IAD Washington, D.C. Dulles Intl

29h 35m1 stop Las Vegas Harry Reid Intl

7:47 pm - 9:28 amIAD Washington, D.C. Dulles Intl-SEA Seattle/Tacoma Intl

16h 41m1 stop San Diego

$354Multiple Airlines

Tue, Oct 13 - Wed, Oct 28

12:49 pm - 11:23 pmGEG Spokane-IAD Washington, D.C. Dulles Intl

7h 34m1 stop Dallas/Fort Worth

6:42 am - 11:59 amIAD Washington, D.C. Dulles Intl-GEG Spokane

8h 17m1 stop Dallas/Fort Worth

$375American Airlines

Recent last minute flight deals from Washington to Dulles Intl

Sat, Sep 5 - Fri, Sep 11

5:40 am - 6:27 pmGEG Spokane-IAD Washington, D.C. Dulles Intl

9h 47m1 stop Dallas/Fort Worth

6:52 am - 11:54 amIAD Washington, D.C. Dulles Intl-GEG Spokane

8h 02m1 stop Dallas/Fort Worth

$385American Airlines

Sat, Sep 5 - Fri, Sep 11

11:09 am - 11:59 pmGEG Spokane-IAD Washington, D.C. Dulles Intl

9h 50m1 stop Seattle/Tacoma Intl

6:00 am - 10:46 amIAD Washington, D.C. Dulles Intl-GEG Spokane

7h 46m1 stop Atlanta Hartsfield-Jackson

$385Delta

Fri, Sep 4 - Sun, Sep 6

12:36 pm - 12:34 amGEG Spokane-IAD Washington, D.C. Dulles Intl

8h 58m1 stop Atlanta Hartsfield-Jackson

7:00 am - 12:14 pmIAD Washington, D.C. Dulles Intl-GEG Spokane

8h 14m1 stop Salt Lake City

$385Delta

Fri, Sep 4 - Thu, Sep 10

11:40 am - 8:04 amPDX Portland-IAD Washington, D.C. Dulles Intl

17h 24m1 stop Las Vegas Harry Reid Intl

6:00 am - 11:36 amIAD Washington, D.C. Dulles Intl-PDX Portland

8h 36m1 stop Las Vegas Harry Reid Intl

$430Frontier

Thu, Sep 3 - Sun, Sep 13

4:33 pm - 8:04 amSEA Seattle/Tacoma Intl-IAD Washington, D.C. Dulles Intl

12h 31m1 stop Las Vegas Harry Reid Intl

6:00 am - 9:42 amIAD Washington, D.C. Dulles Intl-SEA Seattle/Tacoma Intl

30h 42m1 stop Las Vegas Harry Reid Intl

$435Frontier

Fri, Sep 4 - Mon, Oct 5

6:17 pm - 8:04 amPDX Portland-IAD Washington, D.C. Dulles Intl

10h 47m1 stop Las Vegas Harry Reid Intl

7:24 pm - 9:31 amIAD Washington, D.C. Dulles Intl-PDX Portland

17h 07m1 stop San Diego

$449Multiple Airlines

Thu, Sep 3 - Mon, Oct 5

4:33 pm - 8:04 amSEA Seattle/Tacoma Intl-IAD Washington, D.C. Dulles Intl

12h 31m1 stop Las Vegas Harry Reid Intl

5:33 pm - 8:24 pmIAD Washington, D.C. Dulles Intl-SEA Seattle/Tacoma Intl

5h 51mnonstop

$459Multiple Airlines

Sat, Sep 5 - Sun, Sep 13

6:00 am - 7:05 pmGEG Spokane-IAD Washington, D.C. Dulles Intl

10h 05m1 stop San Francisco

6:30 am - 12:35 pmIAD Washington, D.C. Dulles Intl-GEG Spokane

9h 05m1 stop Denver Intl

$476United Airlines

Sat, Sep 5 - Fri, Sep 11

5:40 am - 5:43 pmGEG Spokane-IAD Washington, D.C. Dulles Intl

9h 03m2 stops Dallas/Fort Worth Charlotte Douglas

6:52 am - 11:54 amIAD Washington, D.C. Dulles Intl-GEG Spokane

8h 02m1 stop Dallas/Fort Worth

$481American Airlines

Fri, Sep 4 - Sat, Sep 5

11:02 pm - 1:55 pmPDX Portland-IAD Washington, D.C. Dulles Intl

11h 53m1 stop Chicago O'Hare Intl

5:33 pm - 8:10 pmIAD Washington, D.C. Dulles Intl-PDX Portland

5h 37mnonstop

$576United Airlines

Recent direct flight deals from Washington to Dulles Intl

Thu, Oct 1 - Wed, Oct 7

3:56 pm - 11:59 pmSEA Seattle/Tacoma Intl-IAD Washington, D.C. Dulles Intl

5h 03mnonstop

7:02 am - 9:44 amIAD Washington, D.C. Dulles Intl-SEA Seattle/Tacoma Intl

5h 42mnonstop

$345Alaska Airlines

Tue, Oct 20 - Mon, Oct 26

3:56 pm - 11:59 pmSEA Seattle/Tacoma Intl-IAD Washington, D.C. Dulles Intl

5h 03mnonstop

7:02 am - 9:44 amIAD Washington, D.C. Dulles Intl-SEA Seattle/Tacoma Intl

5h 42mnonstop

$354Alaska Airlines

Tue, Oct 13 - Tue, Oct 20

3:56 pm - 11:59 pmSEA Seattle/Tacoma Intl-IAD Washington, D.C. Dulles Intl

5h 03mnonstop

7:02 am - 9:44 amIAD Washington, D.C. Dulles Intl-SEA Seattle/Tacoma Intl

5h 42mnonstop

$367Alaska Airlines

Thu, Oct 1 - Wed, Oct 7

2:52 pm - 10:56 pmSEA Seattle/Tacoma Intl-IAD Washington, D.C. Dulles Intl

5h 04mnonstop

7:05 am - 9:56 amIAD Washington, D.C. Dulles Intl-SEA Seattle/Tacoma Intl

5h 51mnonstop

$376Delta

Fri, Oct 23 - Mon, Oct 26

2:50 pm - 10:49 pmSEA Seattle/Tacoma Intl-IAD Washington, D.C. Dulles Intl

4h 59mnonstop

7:05 am - 9:56 amIAD Washington, D.C. Dulles Intl-SEA Seattle/Tacoma Intl

5h 51mnonstop

$377Delta

Sat, Sep 26 - Wed, Sep 30

8:25 am - 4:31 pmSEA Seattle/Tacoma Intl-IAD Washington, D.C. Dulles Intl

5h 06mnonstop

1:05 pm - 3:51 pmIAD Washington, D.C. Dulles Intl-SEA Seattle/Tacoma Intl

5h 46mnonstop

$377United Airlines

Fri, Nov 6 - Sun, Nov 8

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

4h 59mnonstop

5:50 pm - 8:56 pmIAD Washington, D.C. Dulles Intl-SEA Seattle/Tacoma Intl

6h 06mnonstop

$377United Airlines

Thu, Oct 1 - Wed, Oct 7

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

5h 05mnonstop

7:02 am - 9:44 amIAD Washington, D.C. Dulles Intl-SEA Seattle/Tacoma Intl

5h 42mnonstop

$484American Airlines

Thu, Oct 22 - Sun, Oct 25

3:56 pm - 11:59 pmSEA Seattle/Tacoma Intl-IAD Washington, D.C. Dulles Intl

5h 03mnonstop

7:02 am - 9:44 amIAD Washington, D.C. Dulles Intl-SEA Seattle/Tacoma Intl

5h 42mnonstop

$487American Airlines

Thu, Oct 22 - Wed, Oct 28

9:36 pm - 5:40 amSEA Seattle/Tacoma Intl-IAD Washington, D.C. Dulles Intl

5h 04mnonstop

9:38 am - 12:20 pmIAD Washington, D.C. Dulles Intl-SEA Seattle/Tacoma Intl

5h 42mnonstop

$524Multiple Airlines

Useful Info

Low season	January
High season	October
Cheapest flight	$163

Best time to beat the crowds with an average 5% drop in price.

Most popular time to fly and prices are also 16% lower on average.

Flight from Portland 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.

Winchester

Linthicum Heights

Hanover

Springfield

Gaithersburg

Towson

Martinsburg

Oxon Hill

Owings Mills

Charles Town

Greenbelt

Glen Burnie

Chesapeake Beach

Edgewood

Camp Springs

Ellicott City

Pikesville

Hunt Valley

Colonial Beach

Lutherville Timonium

Everything you need to know for your flight to Dulles Intl

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Washington, D.C. (IAD)

IAD

$163 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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