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. Visit our flight page for the latest deals!>/a>

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. Visit our flight page for the latest deals!>/a>

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. Visit our flight page for the latest deals!>/a>

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. Visit our flight page for the latest deals!>/a>

$138 Book CHEAP FLIGHTS from Washington to Washington Dulles (IAD)

IAD

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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.

Round-trip

One-way

Last minute

Direct

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

$293

Find Deal

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

$303

Find Deal

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

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

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.

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

Clinton

Everything you need to know for your flight to Dulles Intl

Information on your arrival and departure airports

Washington Dulles Airport (IAD)

Cabin class types available on flights to Dulles Intl

First Class flights to Dulles Intl, Washington, D.C.from $863

Business Class flights to Dulles Intl, Washington, D.C.from $653

Prem Econ Class flights to Dulles Intl, Washington, D.C.from $580

Economy Class flights to Dulles Intl, Washington, D.C.from $212

Flights to other popular destinations

Flights from domestic origins to Washington

Flights from Bellingham to Washington, D.C. Dulles Intl Airportfrom $430

Flights from Pasco to Washington, D.C. Dulles Intl Airportfrom $316

Flights from Portland to Washington, D.C. Dulles Intl Airportfrom $313

Flights from Pullman to Washington, D.C. Dulles Intl Airportfrom $386

Flights from Seattle to Washington, D.C. Dulles Intl Airportfrom $277

Flights from Spokane to Washington, D.C. Dulles Intl Airportfrom $293

Flights from Walla Walla to Washington, D.C. Dulles Intl Airportfrom $465

Flights from Wenatchee to Washington, D.C. Dulles Intl Airportfrom $445

United States

Washington

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.

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

Cheap Flight Deals 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 Dulles Airport flights

How does KAYAK find such low prices 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?

What is the Hacker Fare option on flights from Washington to Washington Dulles Airport?

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington to Washington Dulles Airport?

Traveling to a place near Dulles Intl?

Everything you need to know for your flight to Dulles Intl

Information on your arrival and departure airports

Cabin class types available on flights to Dulles Intl

Cabin classes available on flights to Washington. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.

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

Find direct flights for Dulles Intl

Flights to other popular destinations

The most popular flights on KAYAK according to clicks in the last 2 weeks. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.

Flights from domestic origins to Washington

Flights from all regions of Washington to Dulles Intl. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.

Choose which airport to fly into in Washington, D.C.

Find deals for your return flight