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>

$144 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

Recommended round-trip deals departing in the coming months from the most popular airlines that fly from Washington to Dulles Intl.

Discover the best prices and deals for you by selecting your travel dates.

Choose your dates

9:50 am - 5:48 pmSEA-IAD

4h 58mnonstop

6:48 pm - 9:55 pmIAD-SEA

6h 07mnonstop

$286Alaska Airlines

Find Deal

Wed, Mar 5 - Mon, Mar 10

9:40 pm - 5:32 amSEA-IAD

4h 52mnonstop

7:00 am - 9:56 amIAD-SEA

5h 56mnonstop

$287Alaska Airlines

Find Deal

Fri, Feb 21 - Tue, Feb 25

8:10 am - 4:09 pmSEA-IAD

4h 59mnonstop

6:17 pm - 12:55 amIAD-SEA

9h 38m1 stop

$297United Airlines

Find Deal

Wed, Feb 19 - Mon, Feb 24

5:41 pm - 4:54 pmSEA-IAD

20h 13m2 stops

7:00 am - 9:56 amIAD-SEA

5h 56mnonstop

$299

Find Deal

Wed, Mar 5 - Mon, Mar 10

11:54 am - 10:33 pmSEA-IAD

7h 39m1 stop

5:20 pm - 11:09 pmIAD-SEA

8h 49m1 stop

$300American Airlines

Find Deal

Wed, Mar 5 - Mon, Mar 10

11:54 am - 10:33 pmSEA-IAD

7h 39m1 stop

5:20 pm - 11:09 pmIAD-SEA

8h 49m1 stop

$301American Airlines

Find Deal

Wed, Mar 5 - Mon, Mar 10

11:59 pm - 11:41 amSEA-IAD

8h 42m1 stop

3:57 pm - 9:05 pmIAD-SEA

8h 08m1 stop

$307United Airlines

Find Deal

Mon, Feb 24 - Sat, Mar 1

5:00 am - 3:28 pmGEG-IAD

7h 28m1 stop

6:05 am - 1:15 pmIAD-GEG

10h 10m1 stop

$307Delta

Find Deal

Sun, Feb 16 - Thu, Mar 6

2:02 pm - 3:54 pmSEA-IAD

22h 52m2 stops

7:00 am - 9:56 amIAD-SEA

5h 56mnonstop

$311

Find Deal

Thu, Mar 6 - Mon, Mar 10

1:10 pm - 12:20 amGEG-IAD

8h 10m1 stop

5:16 pm - 12:03 amIAD-GEG

9h 47m2 stops

$312Delta

Find Deal

Sat, Feb 15 - Tue, Feb 18

Low season	February
High season	May
Cheapest flight	$144

Best time to beat the crowds with an average 8% 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 $1,137

Business Class flights to Dulles Intl, Washington, D.C.from $528

Prem Econ Class flights to Dulles Intl, Washington, D.C.from $749

Economy Class flights to Dulles Intl, Washington, D.C.from $282

Flights to other popular destinations

Flights from domestic origins to Washington

Flights from Bellingham to Washington, D.C. Dulles Intl Airportfrom $478

Flights from Pasco to Washington, D.C. Dulles Intl Airportfrom $387

Flights from Portland to Washington, D.C. Dulles Intl Airportfrom $324

Flights from Pullman to Washington, D.C. Dulles Intl Airportfrom $421

Flights from Seattle to Washington, D.C. Dulles Intl Airportfrom $287

Flights from Spokane to Washington, D.C. Dulles Intl Airportfrom $307

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

Flights from Wenatchee to Washington, D.C. Dulles Intl Airportfrom $411

United States

Washington

IAD

$144 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 3/5. 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.

Search hundreds of travel sites at once for deals on flights to Washington Dulles 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