CA $122 Cheap Flights from Washington (WAS) to Seattle (SEA)

Popular airlines from Washington to Seattle, WA (SEA-Seattle - Tacoma Intl.)

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Cheap flights from Washington (WAS) to Seattle (SEA)

Prices were available within the past 7 days and start at CA $122 for one-way flights and CA $271 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Alaska Airlines
American Airlines
American Airlines
Delta
Alaska Airlines
American Airlines
American Airlines
United
Sun Country Airlines

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Alternative airports near Seattle

Prices were available within the past 7 days. Prices and availability are subject to change.

Find the cheapest month to fly from Washington (WAS) to Seattle (SEA)

April is typically the cheapest month to fly

From CA $217 - CA $504 per traveller.
Flight from Baltimore to Seattle (BWI - SEA) route information
Origin airport
Baltimore Washington Intl. Thurgood Marshall
Destination airport
Seattle - Tacoma Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Sun Country Airlines, United
Roundtrip price
CA $270
Distance
3725 km

Maryland to Seattle Flights

The easy way to book your flights from Washington to Seattle 

With Expedia, it’s simple to find and book flights to Seattle from Washington whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are nonstop flights to Seattle - Tacoma Intl., too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Washington to Seattle today, tomorrow, or this week.  

 

Save dollars with cheap flights from WAS-All Airports, WAS to Seattle - Tacoma Intl., SEA 

Sort your search results by price to find great deals on your flight from Washington to Seattle—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Seattle from Washington currently is just CA $271 rising to CA $579.  

Here are more money-saving tips: 

  • Fly in February when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Seattle  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to Seattle from Washington 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Seattle with Expedia today.

Frequently asked questions

How much is a flight from Washington, DC (WAS-All Airports) to Seattle - Tacoma Intl. Airport (SEA)?
Start packing your bags, because round-trip journeys from Washington, DC (WAS-All Airports) to SEA start from CA $271. That's based on airfares available within the last 7 days on Expedia for flights departing within the next year. Prices can move quickly, so book now to lock in the best deal. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Washington, DC (WAS-All Airports) to SEA?
When it comes to cancellation fees, each airline has different terms and conditions. If you decide to cancel your getaway, visit our Customer Service Portal.
How do I find cheap flights from Washington, DC (WAS-All Airports) to SEA that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Washington, DC (WAS-All Airports) to SEA flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Washington, DC (WAS-All Airports) to SEA?
The flying distance between Washington, DC (WAS-All Airports) (WAS) and Sea-Tac Airport (SEA) is 3,700 kilometers. Listen to your favorite tunes or read a good book and the journey will fly by.
Which airlines fly direct from Washington, DC (WAS-All Airports) to Sea-Tac Airport?
Alaska Airlines (AS) is the number one choice for many travelers. It offers 117 flights between Washington, DC (WAS-All Airports) and Sea-Tac Airport each month. You could also check out the fares available with United Airlines (UA). It operates 60 flights every month between Maryland and SeaTac.
Are Washington, DC (WAS-All Airports) to Seattle - Tacoma Intl. Airport (SEA) flight tickets cheaper when they're purchased at the last minute?
Booking your trip from Washington, DC (WAS-All Airports) to Sea-Tac Airport at the last minute could be your ticket to a cheap deal. However, you might miss out on a flight altogether! If you'd rather play it safe, book well ahead of your departure date. In fact, Expedia has some of the biggest bargains up to 12 months in advance. If your preferred air carrier hasn't released tickets yet, check back frequently as deals are updated all the time on Expedia.
*Available to Expedia members.