IAD

$89 Find Cheap Flights from Washington to Washington Dulles Airport

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Dulles Intl departing on 8/19. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy

KAYAK searches hundreds of travel sites at once for deals on flights to Washington, D.C. Dulles Intl Airport

Travelers love KAYAK
41,299,237 searches in the past 7 days on KAYAK

Save 20% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Bundle and saveSave money when you bundle your flight + hotel.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Flights Deals
Useful Info
Flights Deals

Cheap Flights from Washington to Dulles Intl

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Washington to Dulles Intl that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Washington to Dulles Intl

Tue, Oct 7 - Wed, Oct 8
American Airlines Logo
5:46 am - 4:07 pmSEA-IAD
7h 21m1 stop
American Airlines Logo
6:45 am - 2:40 pmIAD-SEA
10h 55m1 stop
$177American Airlines
Find Deal
Sat, Sep 13 - Tue, Sep 16
American Airlines Logo
5:26 am - 4:50 pmSEA-IAD
8h 24m1 stop
American Airlines Logo
11:18 am - 6:13 pmIAD-SEA
9h 55m1 stop
$188American Airlines
Find Deal
Wed, Jul 9 - Tue, Jul 15
Delta Logo
7:26 pm - 5:57 amGEG-IAD
7h 31m1 stop
Delta Logo
7:30 am - 12:33 pmIAD-GEG
8h 03m1 stop
$199Delta
Find Deal
Tue, Aug 12 - Mon, Aug 18
Hawaiian Airlines Logo
7:00 am - 6:59 pmGEG-IAD
8h 59m1 stop
Hawaiian Airlines Logo
6:13 pm - 10:56 pmIAD-GEG
7h 43m1 stop
$253Hawaiian Airlines
Find Deal
Wed, Jul 23 - Wed, Jul 30
Alaska Airlines Logo
6:07 pm - 7:27 amGEG-IAD
10h 20m1 stop
Alaska Airlines Logo
5:25 pm - 11:44 pmIAD-GEG
9h 19m1 stop
$254Alaska Airlines
Find Deal
Fri, Aug 29 - Mon, Sep 1
United Airlines Logo
1:38 pm - 11:17 pmGEG-IAD
6h 39m1 stop
United Airlines Logo
6:35 am - 11:27 amIAD-GEG
7h 52m1 stop
$258United Airlines
Find Deal
Wed, Jul 23 - Wed, Jul 30
Delta Logo
7:26 pm - 5:57 amGEG-IAD
7h 31m1 stop
Delta Logo
6:39 pm - 11:12 pmIAD-GEG
7h 33m1 stop
$259Delta
Find Deal
Sat, Nov 8 - Sat, Nov 8
Hawaiian Airlines Logo
8:55 am - 4:46 pmSEA-IAD
4h 51mnonstop
Hawaiian Airlines Logo
6:11 pm - 9:04 pmIAD-SEA
5h 53mnonstop
$271Hawaiian Airlines
Find Deal
Wed, Nov 12 - Sat, Nov 15
United Airlines Logo
9:25 am - 9:06 pmSEA-IAD
8h 41m1 stop
United Airlines Logo
5:55 pm - 8:54 pmIAD-SEA
5h 59mnonstop
$283United Airlines
Find Deal
Wed, Oct 22 - Sat, Oct 25
Alaska Airlines Logo
8:10 pm - 4:42 pmSEA-IAD
17h 32m1 stop
Alaska Airlines Logo
6:25 am - 9:08 amIAD-SEA
5h 43mnonstop
$287Alaska Airlines
Find Deal
Useful Info

Good to know

Low seasonFebruary
High seasonDecember
Cheapest flight$89
Best time to beat the crowds with an average 3% drop in price.
Most popular time to fly with an average 9% increase in price.
Flight from Seattle to Washington Dulles Airport

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

Insights shared by verified travelers who flew the route from Washington to Dulles Intl 
Learn how KAYAK collects reviews and tips from users.
SuzetteFlew with Alaska AirlinesSEA-IADMay 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 AirlinesSEA-IADMay 2025
Seatac has gnarly traffic right now, took 35min to get from highway exit to the terminal

FAQs for booking Washington to Washington Dulles Airport flights

  • How does KAYAK find such low prices on flights from Washington to Washington Dulles Airport?

    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 Dulles Airport.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington to Washington Dulles Airport?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Washington Dulles Airport 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 Dulles Airport?

    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 Dulles Airport 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 Dulles Airport?

    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 Dulles Airport from Washington up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Traveling to a place near Dulles Intl?

Book flights to Dulles Intl if you plan to visit one of these locations
Clinton

Everything you need to know for your flight to Dulles Intl

Information on your arrival and departure airports

Washington Dulles Airport (IAD)

Not what you’re looking for? Find thousands of other hotels, flights, car rentals and package deals with KAYAK.