IAD

$138 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 5/2. 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

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Cheap Flight Deals 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.

Recent round-trip flight deals from Washington to Dulles Intl

KAYAK's recommended round-trip deals from the most popular airlines that fly from Washington to Dulles Intl.
Discover the best prices for you by selecting your travel dates on KAYAK.
Choose your dates
5:22 am - 4:23 pmSEA-IAD
8h 01m1 stop
2:12 pm - 7:25 pmIAD-SEA
8h 13m1 stop
$276American Airlines
Find Deal
Sat, Apr 26 - Sat, May 3
5:22 am - 4:23 pmSEA-IAD
8h 01m1 stop
2:12 pm - 9:04 pmIAD-SEA
9h 52m1 stop
$277American Airlines
Find Deal
Sat, Apr 26 - Sat, May 3
1:15 pm - 6:31 amPDX-IAD
14h 16m1 stop
8:01 am - 3:42 pmIAD-PDX
10h 41m1 stop
$278Frontier
Find Deal
Fri, May 2 - Thu, May 8
8:22 pm - 6:31 amSEA-IAD
31h 09m1 stop
7:45 am - 6:00 pmIAD-SEA
13h 15m1 stop
$280Frontier
Find Deal
Thu, May 1 - Thu, May 8
4:00 pm - 11:58 pmSEA-IAD
4h 58mnonstop
6:30 am - 9:13 amIAD-SEA
5h 43mnonstop
$287Hawaiian Airlines
Find Deal
Wed, Apr 23 - Sat, Apr 26
4:24 pm - 12:23 amSEA-IAD
4h 59mnonstop
8:01 am - 6:02 pmIAD-SEA
13h 01m1 stop
Thu, Apr 24 - Fri, May 2
11:50 pm - 11:23 amSEA-IAD
8h 33m1 stop
12:37 pm - 10:32 amIAD-SEA
24h 55m1 stop
$295Sun Country Air
Find Deal
Thu, Apr 17 - Thu, Apr 24
12:36 pm - 8:43 pmSEA-IAD
5h 07mnonstop
6:30 am - 9:13 amIAD-SEA
5h 43mnonstop
$299Hawaiian Airlines
Find Deal
Sat, Apr 26 - Sat, May 3
6:50 pm - 6:31 amSEA-IAD
8h 41m1 stop
6:15 pm - 9:00 pmIAD-SEA
5h 45mnonstop
Fri, May 16 - Tue, Jun 3
6:20 pm - 12:23 pmPDX-IAD
15h 03m1 stop
12:45 pm - 11:19 amIAD-PDX
25h 34m1 stop
$315Sun Country Air
Find Deal
Thu, Apr 24 - Thu, May 1

Good to know

Low season

February

High season

May

Cheapest flight

$138
Best time to beat the crowds with an average 6% drop in price.
Most popular time to fly and prices are also 0% 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 
StacieFlew with Alaska AirlinesSEA-IADJun 2024
Watch your dates that you book. Don’t forget about the Alaska cruises. Sunday everyone flying home after cruise. Flights booked!
Verified travelerFlew with Alaska AirlinesSEA-IADMay 2024
Fly a larger carrier with the usual amenities: Delta, United, American.

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.

See more FAQs

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