
Popular airlines from Washington Dulles Intl. Airport (IAD) to Seattle
- Alaska Airlines
Alaska Airlines
- United
United
- Delta
Delta
- American Airlines
American Airlines
- Southwest Airlines
Southwest Airlines
- Sun Country Airlines
Sun Country Airlines
- Hawaiian Airlines
Hawaiian Airlines
- Be in the knowGet alerts if flight prices drop or rise*
- Book smarterSave up to 15% on select hotels after you book a flight*
Cheap flights from Washington to Seattle (IAD-SEA)
Prices were available within the past 7 days and start at €86 for one-way flights and €136 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, 17 Jan - Sat, 24 Jan
IAD
Washington
SEA
Seattle
€136 Return, found 6 days ago
€136
Return
found 6 days ago

Sat, 17 Jan - Sat, 24 Jan
IAD
Washington
SEA
Seattle
€145 Return, found 6 days ago
€145
Return
found 6 days ago

Sat, 17 Jan - Sat, 24 Jan
IAD
Washington
SEA
Seattle
€153 Return, found 6 days ago
€153
Return
found 6 days ago

Sat, 17 Jan - Sat, 24 Jan
IAD
Washington
SEA
Seattle
€208 Return, found 6 days ago
€208
Return
found 6 days ago

Sat, 17 Jan - Sat, 24 Jan
IAD
Washington
SEA
Seattle
€218 Return, found 6 days ago
€218
Return
found 6 days ago

Sat, 17 Jan - Sat, 24 Jan
IAD
Washington
SEA
Seattle
€221 Return, found 6 days ago
€221
Return
found 6 days ago

Sat, 17 Jan - Sat, 24 Jan
IAD
Washington
SEA
Seattle
€226 Return, found 6 days ago
€226
Return
found 6 days ago

Sat, 17 Jan - Sat, 24 Jan
IAD
Washington
SEA
Seattle
€236 Return, found 6 days ago
€236
Return
found 6 days ago

Sat, 17 Jan - Sat, 24 Jan
IAD
Washington
SEA
Seattle
€239 Return, found 6 days ago
€239
Return
found 6 days ago

Sat, 17 Jan - Sat, 24 Jan
IAD
Washington
SEA
Seattle
€247 Return, found 6 days ago
€247
Return
found 6 days ago
Find the cheapest month to fly from Washington (IAD) to Seattle (SEA)
February is typically the cheapest month to fly
From €137 - €251 per traveller.
Frequently asked questions
Travel information
Origin airport | Washington Dulles Intl. |
|---|---|
Destination airport | Seattle - Tacoma Intl. |
Airlines serving | American Airlines, Delta, United |
Return price | €136 |
Distance | 3679 km |
Average flight time | 2 hours 55 mins |
Book with confidence
Perfect flights from Washington to Seattle
Embark on an unforgettable journey without breaking the bank with Expedia's incredible deals on cheap flights from Washington to Seattle. Whether you're aching for a romantic escape with your partner, craving an adventurous solo expedition, or yearning to immerse yourself in the local history and culture, we've got you covered.
Picture yourself strolling through the streets of , surrounded by breathtaking architecture and absorbing the vibrant atmosphere of this captivating city. Indulge in the mouth-watering local specialties, from tantalizing street food to exquisite fine dining. With Expedia, you can experience all of this and more, without sacrificing your budget.
Our flexible Washington Dulles Intl. to Seattle - Tacoma Intl. ticket options cater to your travel preferences, with incredible one-way fares from €86 and roundtrip prices from €136. Whether you're planning a short city break or a longer adventure, our dynamic pricing ensures that you find the best deals for your journey.
But the magic doesn't stop there. Expedia offers a range of partner services to enhance your trip. Rent a car at Seattle - Tacoma Intl. and explore and its surrounding areas at your own pace. Discover hidden gems off the beaten path, and create unforgettable memories. We also provide a handpicked selection of accommodations, from charming bed and breakfasts to luxury hotels, ensuring that you have a comfortable and memorable stay.
Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support are designed to make your travel experience seamless and stress-free. So, why wait? Book your to travel arrangements today and embark on the journey of a lifetime in Seattle.
Explore a world of travel with Expedia
- 4 Star Hotels in Southwest Seattle
- 5 Star Hotels in SeaTac
- 5 Star Hotels in White Center
- Bryn Mawr-Skyway Hotels
- Burien Hotels
- Fairwood Hotels
- Georgetown Hotels
- Hostels in Kent
- Best Western Hotels in Kent
- Cheap Hotels in Kent
- Marriott Hotels & Resorts in Kent
- Kent Hotels
- Cheap Hotels in Renton
- Renton Hotels
- Casino Hotels in SeaTac
- Cheap Hotels in SeaTac
- Seatac Hotels
- Hotels near Seattle - Tacoma Intl.
- B&B in Southwest Seattle
- Hotels near St. Bernadette Church
- Tukwila Hotels
- Vashon Island Hotels
- Flights to SeaTac
- Flights to Seattle - Tacoma Intl.
- Flights to Vashon Island
- Flights from Boeing Field
- Flights from Seattle - Tacoma Intl.
- Flights from Barcelona (BCN) to Seattle (SEA)
- Flights from Butte (BTM) to Seattle (SEA)
- Flights from Dublin (DUB) to Seattle (SEA)
- Flights from Edinburgh (EDI) to Seattle (SEA)
- Flights from Fargo (FAR) to Seattle (SEA)
- Flights from Glasgow (GLA) to Seattle (SEA)
- Flights from Green Bay (GRB) to Seattle (SEA)
- Flights from Houston (HOU) to Seattle (SEA)
- Flights from Idaho Falls (IDA) to Seattle (SEA)
- Flights from Indianapolis (IND) to Seattle (SEA)
- Flights from Juneau (JNU) to Seattle (SEA)
- Flights from Los Angeles (LAX) to Seattle (SEA)
- Flights from Orlando (MCO) to Seattle (SEA)
- Flights from Miami (MIA) to Seattle (SEA)
- Flights from Milan (MIL) to Seattle (SEA)
- Flights from Minneapolis (MSP) to Seattle (SEA)
- Flights from Milan (MXP) to Seattle (SEA)
- Flights from Olympia (OLM) to Seattle (SEA)
- Flights from Pittsburgh (PIT) to Seattle (SEA)
- Flights from Providence (PVD) to Seattle (SEA)
- Flights from Ho Chi Minh City (SGN) to Seattle (SEA)
- Flights from Singapore (SIN) to Seattle (SEA)
- Flights from San Jose (SJC) to Seattle (SEA)
- Flights from Shannon (SNN) to Seattle (SEA)
- Flights from Southampton (SOU) to Seattle (SEA)
- Flights from Sequim (SQV) to Seattle (SEA)
- Flights from Sydney (SYD) to Seattle (SEA)
- Flights from Vancouver (YVR) to Seattle (SEA)
- Flights from Saskatoon (YXE) to Seattle (SEA)
- Flights from Toronto (YYZ) to Seattle (SEA)
- Hogan Park
- Jimi Hendrix Memorial Grave
- Kent Holidays
- Lake Fenwick Park
- Museum of Flight
- Renton Shopping Center
- Visit Renton
- Seatac Holidays
- Visit SeaTac
- Visit Bryn Mawr-Skyway
- Visit Columbia City
- Visit Delridge
- Visit Highline
- Visit Three Tree Point
- Visit White Center
- Tukwila Pond
- Visit Vashon Island
- Alamo Rent A Car Rental Cars in Seattle - Tacoma Intl.
- Avis Rental Cars in SeaTac
- Avis Rental Cars in Seattle - Tacoma Intl.
- Budget Rental Cars in SeaTac
- Budget Rental Cars in Seattle - Tacoma Intl.
- Car hire SeaTac
- Rental cars Seattle - Tacoma Intl. airport
- Convertible Car Hire near Seattle - Tacoma Intl.
- Dollar Rental Cars in Seattle - Tacoma Intl.
- Dollar Rent A Car Rental Cars in Seattle - Tacoma Intl.
- Economy Car Hire near Seattle - Tacoma Intl.
- Enterprise Rental Cars in Seattle - Tacoma Intl.
- Europcar Rental Cars in Seattle - Tacoma Intl.
- Firefly Rental Cars in Seattle - Tacoma Intl.
- Fox Rental Cars Rental Cars in Seattle - Tacoma Intl.
- Hertz Rental Cars in Seattle - Tacoma Intl.
- Hertz Rental Cars in Southwest Seattle
- Luxury Car Hire near Seattle - Tacoma Intl.
- National Car Rental Rental Cars in Seattle - Tacoma Intl.
- Nü Car Rentals Rental Cars in Seattle - Tacoma Intl.
- Sixt Rental Cars in Seattle - Tacoma Intl.
- Sixt Rental Cars in Southwest Seattle
- Thrifty Car Rental Rental Cars in Boeing Field
- Thrifty Car Rental Rental Cars in Seattle - Tacoma Intl.
- Thrifty Car Rental Rental Cars in Southwest Seattle
- People Carrier Car Hire near Seattle - Tacoma Intl.
*Available to Expedia members.