IAD

$136 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 5/27. 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, 0 bags

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Useful Info
Flight 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

Thu, Jun 4 - Wed, Jun 10
Delta Logo
4:05 pm - 12:13 am
SEA
-
IAD
5h 08mnonstop
Delta Logo
7:00 am - 9:45 am
IAD
-
SEA
5h 45mnonstop
$245Delta
Thu, Jun 4 - Wed, Jun 10
Delta Logo
4:05 pm - 12:13 am
SEA
-
IAD
5h 08mnonstop
Delta Logo
7:00 am - 9:45 am
IAD
-
SEA
5h 45mnonstop
$246Delta
Thu, Jun 4 - Tue, Jun 9
Frontier Logo
8:20 pm - 8:12 am
SEA
-
IAD
8h 52m
1 stop
Frontier Logo
9:55 am - 10:35 am
IAD
-
SEA
27h 40m
1 stop
$247Frontier
Sat, May 23 - Sun, May 31
Frontier Logo
8:20 pm - 8:12 am
SEA
-
IAD
8h 52m
1 stop
Frontier Logo
9:12 am - 10:36 am
IAD
-
SEA
28h 24m
1 stop
$250Frontier
Thu, Jul 9 - Mon, Jul 13
United Airlines Logo
11:20 pm - 7:22 am
SEA
-
IAD
5h 02mnonstop
United Airlines Logo
5:38 pm - 12:14 am
IAD
-
SEA
9h 36m
1 stop
$255United Airlines
Fri, Jun 5 - Sun, Jun 7
Multiple Airlines Logo
8:22 am - 4:35 pm
SEA
-
IAD
5h 13mnonstop
Multiple Airlines Logo
9:12 am - 10:36 am
IAD
-
SEA
28h 24m
1 stop
$258Multiple Airlines
Wed, May 27 - Sat, May 30
Alaska Airlines Logo
8:38 pm - 7:34 am
GEG
-
IAD
7h 56m
1 stop
Alaska Airlines Logo
6:00 am - 11:42 am
IAD
-
GEG
8h 42m
1 stop
$275Alaska Airlines
Wed, May 27 - Sun, May 31
Alaska Airlines Logo
8:38 pm - 7:34 am
GEG
-
IAD
7h 56m
1 stop
Alaska Airlines Logo
6:00 am - 11:42 am
IAD
-
GEG
8h 42m
1 stop
$305Alaska Airlines
Tue, May 26 - Fri, May 29
Multiple Airlines Logo
5:00 am - 4:35 pm
PDX
-
IAD
8h 35m
1 stop
Multiple Airlines Logo
9:12 am - 10:34 am
IAD
-
PDX
28h 22m
1 stop
$370Multiple Airlines
Wed, Aug 19 - Wed, Sep 9
United Airlines Logo
2:00 pm - 1:17 am
PSC
-
IAD
8h 17m
1 stop
United Airlines Logo
6:30 am - 12:15 pm
IAD
-
PSC
8h 45m
1 stop
$425United Airlines
Useful Info

Good to know

Low seasonJanuary
Cheapest flight$136
Best time to beat the crowds but there is an average 6% increase in price.
Most popular time to fly and prices are also 4% lower on average.
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 Airlines
SEA
-
IAD
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
SEA
-
IAD
May 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
Winchester
Linthicum Heights
Hanover
Springfield
Gaithersburg
Towson
Oxon Hill
Martinsburg
Owings Mills
Charles Town
Greenbelt
Glen Burnie
Edgewood
Ellicott City
Colonial Beach
Pikesville
Camp Springs
Hunt Valley
Lutherville Timonium
Westminster

Everything you need to know for your flight to Dulles Intl

Information on your arrival and departure airports

Washington Dulles Airport (IAD)