Cheap flights from Washington, D.C. to Seattle from $90
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. to Seattle departing on 6/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Deals available from 900+ travel sites.
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? Create a price alert to track prices.Easily compare round-trip flights from Washington, D.C. to Seattle
Below you can see the best fares for your round-trip flight route over the next six months. All fares were found on momondo this week. Browse the quickest and cheapest flights from Washington, D.C. to Seattle by changing tabs
Find the cheapest one-way flights from Washington, D.C. to Seattle
If you're looking for one-way flights from Washington, D.C. to Seattle, view some of our deals below provided by Alaska Airlines, Frontier and Sun Country Air
Search last-minute flights to Seattle from Washington, D.C.
Find and compare round-trip flight prices for your last-minute flight from Washington, D.C. to Seattle
Frontier flights from Washington, D.C. to Seattle
Our best Frontier deals on Washington, D.C. to Seattle flight tickets
Spirit Airlines flights from Washington, D.C. to Seattle
Our best Spirit Airlines deals on Washington, D.C. to Seattle flight tickets
Cheap Washington, D.C. to Seattle (WAS to SEA) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. to Seattle
Best Price Found | $90 |
|---|---|
Fastest flight time | 5h 30m |
Direct flights | Every day |
Airports in Seattle | 1 airport |
How far is Washington, D.C. to Seattle/Tacoma Intl by plane?
The straight-line distance from Washington, D.C. to Seattle/Tacoma Intl is 2320.5 mi. 5h 30m is a normal flight duration for this route.
When did momondo last update prices for flights from Washington, D.C. to Seattle/Tacoma Intl Airport?
Prices for flights from Washington, D.C. to Seattle/Tacoma Intl Airport were last updated today.
How many operators does momondo search for flights from Washington, D.C. to Seattle/Tacoma Intl Airport?
The number of operators available for flights from Washington, D.C. to Seattle/Tacoma Intl Airport is 9 as of May 2024.
How old do you have to be to fly from Washington, D.C. to Seattle/Tacoma Intl Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. to Seattle/Tacoma Intl Airport.
What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?
The necessary travel and health documents for your Seattle/Tacoma Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
Best airlines flying from Washington, D.C. to Seattle
Compare and see reviews for airlines that fly from Washington, D.C. to Seattle with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $110 | Free Cancellation | Rating 6.2 4,060 reviews | |||
| PriceFrom $119 | Free Cancellation | Rating 7.6 4,472 reviews | |||
| PriceFrom $139 | Free Cancellation | Rating 8.0 10,673 reviews | |||
| PriceFrom $151 | Free Cancellation | Rating 8.0 9,157 reviews | |||
| PriceFrom $169 | Free Cancellation | Rating 7.1 630 reviews | |||
| PriceFrom $169 | Free Cancellation | Rating 7.4 10,924 reviews | |||
| PriceFrom $174 | Free Cancellation | Rating 6.4 8,672 reviews | |||
| PriceFrom $225 | Free Cancellation | Rating 7.3 14,514 reviews |
Delta Flights From Washington, D.C. to Seattle
Delta flies from Washington, D.C. to Seattle around 5 times per week, with 10,673 momondo users rating the airline 8.0/10. The cheapest Delta deal from Washington, D.C. to Seattle in the last 72 hours was $139 (round-trip), much lower than the average airfare cost of $430 for Delta flights on this route.
Alaska Airlines Flights From Washington, D.C. to Seattle
Across 9,157 Alaska Airlines reviews on momondo, the average score is 8.0/10. Alaska Airlines flies from Washington, D.C. to Seattle about 19 times each week, with ticket deals ranging from $151 to $475. Price data is based on momondo searches in the last 72 hours.
How do I get Price Alerts for flights from Washington, D.C. to Seattle?
Search flight deals from Washington, D.C. to Seattle. While viewing offers you’ll have the option to create a Price Alert.
How can I save money on flights from Washington, D.C. to Seattle with momondo?
Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.
How does momondo find its flight prices?
We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.
Why use momondo?
Why should I use momondo to find a flight deal from Washington, D.C. to Seattle?
We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Washington, D.C. to Seattle for you.
Can I find flights from Washington, D.C. to Seattle with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for Washington, D.C. to Seattle flights to just show those with flexible booking policies.
How can momondo help me find flights from Washington, D.C. to Seattle?
momondo provides multiple filters to help you find the best flight to Seattle from Washington, D.C.. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.
I’m not ready to book a flight from Washington, D.C. to Seattle right now. Can momondo alert me if prices change?
If you are simply researching potential flights to Seattle, momondo offers a useful price alert feature which will track prices for flights to Seattle from Washington, D.C. and alert you when they change.