€94 Cheap Flights Seattle to Washington (SEA-WAS)

View €94 flight on Sat, 25 Apr 2026Opens in a new window

Popular airlines from Seattle-Tacoma International Airport (SEA) to Washington

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Cheap flights from Seattle to Washington (SEA-WAS)

Prices were available within the past 7 days and start at €94 for one-way flights and €188 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sat, 25 Apr - Sat, 2 May
SEA
Seattle
BWI
Baltimore
€188 Return, found 6 days ago
€188
Return
found 6 days ago
Select American Airlines flight, departing Sat, 25 Apr from Seattle to Baltimore, returning Sat, 2 May, priced at €188 found 6 days ago
Delta
Sat, 25 Apr - Sat, 2 May
SEA
Seattle
BWI
Baltimore
€215 Return, found 6 days ago
€215
Return
found 6 days ago
Select Delta flight, departing Sat, 25 Apr from Seattle to Baltimore, returning Sat, 2 May, priced at €215 found 6 days ago
American Airlines
Sat, 25 Apr - Sat, 2 May
SEA
Seattle
DCA
Washington
€229 Return, found 6 days ago
€229
Return
found 6 days ago
Select American Airlines flight, departing Sat, 25 Apr from Seattle to Washington, returning Sat, 2 May, priced at €229 found 6 days ago
Delta
Sat, 25 Apr - Sat, 2 May
SEA
Seattle
BWI
Baltimore
€257 Return, found 6 days ago
€257
Return
found 6 days ago
Select Delta flight, departing Sat, 25 Apr from Seattle to Baltimore, returning Sat, 2 May, priced at €257 found 6 days ago
American Airlines
Sat, 25 Apr - Sat, 2 May
SEA
Seattle
DCA
Washington
€258 Return, found 6 days ago
€258
Return
found 6 days ago
Select American Airlines flight, departing Sat, 25 Apr from Seattle to Washington, returning Sat, 2 May, priced at €258 found 6 days ago
Delta
Fri, 29 May - Sun, 7 Jun
SEA
Seattle
IAD
Washington
€262 Return, found 1 day ago
€262
Return
found 1 day ago
Select Delta flight, departing Fri, 29 May from Seattle to Washington, returning Sun, 7 Jun, priced at €262 found 1 day ago
American Airlines
Sat, 25 Apr - Sat, 2 May
SEA
Seattle
IAD
Washington
€269 Return, found 6 days ago
€269
Return
found 6 days ago
Select American Airlines flight, departing Sat, 25 Apr from Seattle to Washington, returning Sat, 2 May, priced at €269 found 6 days ago
American Airlines
Sat, 25 Apr - Sat, 2 May
SEA
Seattle
BWI
Baltimore
€271 Return, found 6 days ago
€271
Return
found 6 days ago
Select American Airlines flight, departing Sat, 25 Apr from Seattle to Baltimore, returning Sat, 2 May, priced at €271 found 6 days ago
American Airlines
Sat, 25 Apr - Sat, 2 May
SEA
Seattle
BWI
Baltimore
€274 Return, found 6 days ago
€274
Return
found 6 days ago
Select American Airlines flight, departing Sat, 25 Apr from Seattle to Baltimore, returning Sat, 2 May, priced at €274 found 6 days ago
United
Sat, 25 Apr - Sat, 2 May
SEA
Seattle
BWI
Baltimore
€296 Return, found 6 days ago
€296
Return
found 6 days ago
Select United flight, departing Sat, 25 Apr from Seattle to Baltimore, returning Sat, 2 May, priced at €296 found 6 days ago

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

April is typically the cheapest month to fly

From €139 - €495 per traveller.

Frequently asked questions

How much is a flight from Sea-Tac Airport to Washington, DC (WAS-All Airports)?
Based on fares quoted within the last 7 days on Expedia for flights departing within the next year, round-trip flights between SEA and Washington, DC (WAS-All Airports) start from €188. Make your booking today to secure the best price for your exciting adventure. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from SEA to Washington, DC (WAS-All Airports)?
Every airline has its own set of terms and conditions. If you decide to cancel your holiday, head to our Customer Service Portal.
How do I find cheap flights from SEA to Washington, DC (WAS-All Airports) 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 Sea-Tac Airport to Washington, DC (WAS-All Airports) flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Seattle - Tacoma Intl. Airport (SEA) to Washington, DC (WAS-All Airports)?
The flying distance between Sea-Tac Airport and Washington, DC (WAS-All Airports) is 3,700 kilometres. Close your eyes or make a start on the latest bestseller and the journey will whiz by.
Which airlines fly direct from SEA to Washington, DC (WAS-All Airports)?
Many adventurers choose to fly with Alaska Airlines (AS) from Sea-Tac Airport to Washington, DC (WAS-All Airports). This top airline offers 117 flights monthly, so you can pick a flight time that's perfect for you. Another carrier operating on this route is United Airlines (UA). You'll have 60 flights each month to choose from.
Are Seattle - Tacoma Intl. Airport (SEA) to Washington, DC (WAS-All Airports) flight tickets cheaper when they're purchased at the last minute?
Booking last minute from Sea-Tac Airport to Washington, DC (WAS-All Airports) can be hit-or-miss. You may be able to score a great bargain, but you could also completely miss out! If you'd rather start planning early on, Expedia compares flight deals up to 12 months in advance. Just keep in mind that not all airlines release their prices so far in advance. Our top tip? Check back often as updates are made frequently.

Travel information

Origin airport
Seattle - Tacoma Intl.
Destination airport
Baltimore Washington Intl. Thurgood Marshall
Return price
€188
Distance
3725 km

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