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.

$155 CHEAP FLIGHTS from Washington to Washington, D.C. (IAD)

Save 21% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

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

Mon, Oct 12 - Mon, Oct 19

9:16 pm - 5:13 pmSEA Seattle/Tacoma Intl-IAD Washington, D.C. Dulles Intl

16h 57m2 stops Las Vegas Harry Reid Intl Atlanta Hartsfield-Jackson

9:06 pm - 3:12 pmIAD Washington, D.C. Dulles Intl-SEA Seattle/Tacoma Intl

21h 06m2 stops Atlanta Hartsfield-Jackson Denver Intl

$297Frontier

Wed, Sep 30 - Tue, Oct 6

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

Mon, Oct 19 - Fri, Oct 23

9:16 pm - 6:20 amSEA Seattle/Tacoma Intl-IAD Washington, D.C. Dulles Intl

30h 04m1 stop Las Vegas Harry Reid Intl

7:24 pm - 9:28 amIAD Washington, D.C. Dulles Intl-SEA Seattle/Tacoma Intl

17h 04m1 stop San Diego

$317Multiple Airlines

Mon, Oct 19 - Tue, Oct 27

9:16 pm - 6:20 amSEA Seattle/Tacoma Intl-IAD Washington, D.C. Dulles Intl

30h 04m1 stop Las Vegas Harry Reid Intl

7:24 pm - 9:28 amIAD Washington, D.C. Dulles Intl-SEA Seattle/Tacoma Intl

17h 04m1 stop San Diego

$317Multiple Airlines

Sat, Oct 10 - Sat, Oct 17

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

$337American Airlines

Tue, Mar 9 - Tue, Mar 16

1:45 pm - 11:13 pmGEG Spokane-IAD Washington, D.C. Dulles Intl

6h 28m1 stop Denver Intl

2:36 pm - 11:38 pmIAD Washington, D.C. Dulles Intl-GEG Spokane

12h 02m1 stop San Francisco

$337United Airlines

Mon, Oct 19 - Sat, Oct 24

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

$338American Airlines

Tue, Nov 3 - Thu, Nov 5

1:49 pm - 11:15 pmGEG Spokane-IAD Washington, D.C. Dulles Intl

6h 26m1 stop Denver Intl

2:38 pm - 8:57 pmIAD Washington, D.C. Dulles Intl-GEG Spokane

9h 19m1 stop San Francisco

$338United Airlines

Wed, Nov 25 - Wed, Dec 2

1:00 pm - 12:20 amGEG Spokane-IAD Washington, D.C. Dulles Intl

8h 20m1 stop Seattle/Tacoma Intl

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

8h 15m1 stop Seattle/Tacoma Intl

$351Delta

Sat, Nov 21 - Wed, Dec 2

1:03 pm - 11:21 pmGEG Spokane-IAD Washington, D.C. Dulles Intl

7h 18m1 stop Minneapolis St Paul

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

8h 15m1 stop Seattle/Tacoma Intl

$351Delta

Recent last minute flight deals from Washington to Dulles Intl

Wed, Sep 16 - 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

$380Frontier

Sat, Sep 19 - 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

$380Frontier

Fri, Sep 18 - Sun, Sep 20

2:33 pm - 5:40 amGEG Spokane-IAD Washington, D.C. Dulles Intl

12h 07m1 stop Seattle/Tacoma Intl

7:00 am - 12:39 pmIAD Washington, D.C. Dulles Intl-GEG Spokane

8h 39m1 stop Seattle/Tacoma Intl

$401Alaska Airlines

Tue, Sep 15 - Sun, Sep 20

5:52 am - 4:54 pmGEG Spokane-IAD Washington, D.C. Dulles Intl

8h 02m1 stop Seattle/Tacoma Intl

7:00 am - 12:39 pmIAD Washington, D.C. Dulles Intl-GEG Spokane

8h 39m1 stop Seattle/Tacoma Intl

$484Alaska Airlines

Wed, Sep 16 - 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

7:00 am - 9:37 amIAD Washington, D.C. Dulles Intl-SEA Seattle/Tacoma Intl

5h 37mnonstop

$496Multiple Airlines

Thu, Sep 17 - Sat, Oct 3

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

29h 35m1 stop Las Vegas Harry Reid Intl

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

5h 42mnonstop

$496Multiple Airlines

Wed, Sep 16 - Wed, Sep 30

12:36 pm - 10:56 pmPSC Pasco Tri Cities-IAD Washington, D.C. Dulles Intl

7h 20m1 stop Seattle/Tacoma Intl

7:25 am - 2:45 pmIAD Washington, D.C. Dulles Intl-PSC Pasco Tri Cities

10h 20m1 stop Seattle/Tacoma Intl

$531Delta

Tue, Sep 15 - Sat, Sep 26

12:36 pm - 10:56 pmPSC Pasco Tri Cities-IAD Washington, D.C. Dulles Intl

7h 20m1 stop Seattle/Tacoma Intl

7:25 am - 2:47 pmIAD Washington, D.C. Dulles Intl-PSC Pasco Tri Cities

10h 22m1 stop Seattle/Tacoma Intl

$531Delta

Wed, Sep 16 - Thu, Sep 17

11:04 pm - 7:09 amSEA Seattle/Tacoma Intl-IAD Washington, D.C. Dulles Intl

5h 05mnonstop

10:41 am - 7:14 pmIAD Washington, D.C. Dulles Intl-SEA Seattle/Tacoma Intl

11h 33m1 stop Chicago O'Hare Intl

$597United Airlines

Thu, Sep 17 - Fri, Sep 18

11:04 pm - 7:07 amSEA Seattle/Tacoma Intl-IAD Washington, D.C. Dulles Intl

5h 03mnonstop

10:41 am - 7:14 pmIAD Washington, D.C. Dulles Intl-SEA Seattle/Tacoma Intl

11h 33m1 stop Chicago O'Hare Intl

$597United Airlines

Recent direct flight deals from Washington to Dulles Intl

Mon, Oct 26 - Mon, Nov 2

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

5h 03mnonstop

5:17 pm - 8:13 pmIAD Washington, D.C. Dulles Intl-SEA Seattle/Tacoma Intl

5h 56mnonstop

$367Alaska Airlines

Tue, Oct 27 - Tue, Nov 3

8:15 am - 4:30 pmSEA Seattle/Tacoma Intl-IAD Washington, D.C. Dulles Intl

5h 15mnonstop

7:46 am - 10:36 amIAD Washington, D.C. Dulles Intl-SEA Seattle/Tacoma Intl

5h 50mnonstop

$374Alaska Airlines

Tue, Oct 13 - Tue, Oct 20

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, Oct 24 - Wed, Nov 4

11:58 am - 8:06 pmSEA Seattle/Tacoma Intl-IAD Washington, D.C. Dulles Intl

5h 08mnonstop

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

5h 51mnonstop

$377Delta

Wed, Dec 9 - Mon, Dec 14

8:09 am - 4:02 pmSEA Seattle/Tacoma Intl-IAD Washington, D.C. Dulles Intl

4h 53mnonstop

5:45 pm - 8:20 pmIAD Washington, D.C. Dulles Intl-SEA Seattle/Tacoma Intl

5h 35mnonstop

$377United Airlines

Thu, Oct 29 - Sat, Oct 31

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

Sat, Oct 10 - Wed, Oct 21

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

5h 03mnonstop

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

5h 42mnonstop

$377Alaska Airlines

Wed, Nov 4 - Tue, Nov 10

11:58 am - 8:06 pmSEA Seattle/Tacoma Intl-IAD Washington, D.C. Dulles Intl

5h 08mnonstop

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

6h 05mnonstop

$377Delta

Mon, Nov 23 - Wed, Dec 2

8:15 am - 4:13 pmSEA Seattle/Tacoma Intl-IAD Washington, D.C. Dulles Intl

4h 58mnonstop

7:00 am - 9:49 amIAD Washington, D.C. Dulles Intl-SEA Seattle/Tacoma Intl

5h 49mnonstop

$487American Airlines

Sun, Oct 11 - Sat, Oct 17

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

5h 04mnonstop

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

5h 42mnonstop

$487American Airlines

Useful Info

Low season	January
High season	October
Cheapest flight	$155

Best time to beat the crowds with an average 4% drop in price.

Most popular time to fly and prices are also 12% 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.

Winchester

Linthicum Heights

Hanover

Springfield

Gaithersburg

Towson

Martinsburg

Oxon Hill

Owings Mills

Charles Town

Greenbelt

Glen Burnie

Edgewood

Chesapeake Beach

Camp Springs

Ellicott City

Pikesville

Hunt Valley

Colonial Beach

Capitol Heights

More options for your flight to Dulles Intl

Add a hotel or car rental

Airports

Cabin class

Direct Flights

Origins

Other destinations

Return flight

Complete your trip to Dulles Intl with a hotel stay or car rental

Car rentals in Washington, D.C.

Hotels in Washington, D.C.

Vacations in Washington, D.C.

IAD

$155 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

Good to know

Low season

High season

Cheapest flight

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

FAQs for booking Washington to Washington, D.C. flights

Traveling to a place near Dulles Intl?

More options for your flight to Dulles Intl

Complete your trip to Dulles Intl with a hotel stay or car rental

Information on your arrival and departure airports

Cabin class types available on flights to Dulles Intl

Find direct flights for Dulles Intl

Flights from domestic origins to Washington

Flights to other popular destinations

Find deals for your return flight