₹14,503 Cheap Flights from Washington (DCA) to Seattle (SEA)

View ₹14,503 flight on Fri, 14 Nov 2025Opens in a new window

Popular airlines from Ronald Reagan National Airport (DCA) to Seattle-Tacoma International Airport (SEA)

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Cheap Flights from Washington (DCA) to Seattle (SEA)

Prices were available within the past 7 days and start at ₹14,503 for one-way flights and ₹79,001 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Mon, 20 Oct - Tue, 21 Oct
DCA
Washington
SEA
Seattle
₹79,001 Return, found 6 days ago
₹79,001
Return
found 6 days ago
Select United flight, departing Mon, 20 Oct from Washington to Seattle, returning Tue, 21 Oct, priced at ₹79,001 found 6 days ago
United
Mon, 20 Oct - Tue, 21 Oct
DCA
Washington
SEA
Seattle
₹79,219 Return, found 6 days ago
₹79,219
Return
found 6 days ago
Select United flight, departing Mon, 20 Oct from Washington to Seattle, returning Tue, 21 Oct, priced at ₹79,219 found 6 days ago
American Airlines
Mon, 20 Oct - Tue, 21 Oct
DCA
Washington
SEA
Seattle
₹79,619 Return, found 6 days ago
₹79,619
Return
found 6 days ago
Select American Airlines flight, departing Mon, 20 Oct from Washington to Seattle, returning Tue, 21 Oct, priced at ₹79,619 found 6 days ago
Delta
Mon, 20 Oct - Tue, 21 Oct
DCA
Washington
SEA
Seattle
₹82,335 Return, found 6 days ago
₹82,335
Return
found 6 days ago
Select Delta flight, departing Mon, 20 Oct from Washington to Seattle, returning Tue, 21 Oct, priced at ₹82,335 found 6 days ago
Delta
Mon, 20 Oct - Tue, 21 Oct
DCA
Washington
SEA
Seattle
₹83,197 Return, found 6 days ago
₹83,197
Return
found 6 days ago
Select Delta flight, departing Mon, 20 Oct from Washington to Seattle, returning Tue, 21 Oct, priced at ₹83,197 found 6 days ago
United
Mon, 20 Oct - Tue, 21 Oct
DCA
Washington
SEA
Seattle
₹83,441 Return, found 6 days ago
₹83,441
Return
found 6 days ago
Select United flight, departing Mon, 20 Oct from Washington to Seattle, returning Tue, 21 Oct, priced at ₹83,441 found 6 days ago
United
Mon, 20 Oct - Tue, 21 Oct
DCA
Washington
SEA
Seattle
₹83,664 Return, found 6 days ago
₹83,664
Return
found 6 days ago
Select United flight, departing Mon, 20 Oct from Washington to Seattle, returning Tue, 21 Oct, priced at ₹83,664 found 6 days ago
Delta
Mon, 20 Oct - Tue, 21 Oct
DCA
Washington
SEA
Seattle
₹84,059 Return, found 6 days ago
₹84,059
Return
found 6 days ago
Select Delta flight, departing Mon, 20 Oct from Washington to Seattle, returning Tue, 21 Oct, priced at ₹84,059 found 6 days ago
United
Mon, 20 Oct - Tue, 21 Oct
DCA
Washington
SEA
Seattle
₹84,064 Return, found 6 days ago
₹84,064
Return
found 6 days ago
Select United flight, departing Mon, 20 Oct from Washington to Seattle, returning Tue, 21 Oct, priced at ₹84,064 found 6 days ago
Delta
Mon, 20 Oct - Tue, 21 Oct
DCA
Washington
SEA
Seattle
₹85,022 Return, found 6 days ago
₹85,022
Return
found 6 days ago
Select Delta flight, departing Mon, 20 Oct from Washington to Seattle, returning Tue, 21 Oct, priced at ₹85,022 found 6 days ago

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

November is typically the cheapest month to fly

From ₹12,249 - ₹49,421 per traveller.
Flight from Washington to Seattle route information
Origin airport
Ronald Reagan Washington National
Destination airport
Seattle - Tacoma Intl.
Return price
₹79,001
Distance
3715 km
Average flight time
2 hours 54 mins

Washington to Seattle Flights

Sometimes you just need to get out of town or maybe you’re looking for a change of scenery. Regardless of the reason, a flight from Washington to Seattle will do just the trick! Go on, plan to see all the famous landmarks and eat your weight in the local cuisine. Your trip is beckoning, so answer the call by packing your suitcase and filling your travel itinerary with exploring Seattle.

Whether you’re flying for business or jet-setting on your personal time, you’ve come to the right place. Here at Expedia.com, we’ll pair you up with DCA to SEA flights that won’t make your bank account wince. Ready to temporarily leave behind Washington for new horizons? Browse through our cheap airfare, and filter by flight times and dates until you find just what you had in mind. From flights without layovers to ones that arrive early in the morning, you’ll come across plane tickets that suit your travel preferences. You can even bundle your flight to SEA with hotels and car rentals to score even bigger savings.

All set to hit the clouds? Book your travel arrangements with us today and have left-over money to put toward your travel outings and adventures.

Frequently asked questions

How much is a flight from Ronald Reagan Washington National Airport (DCA) to Seattle - Tacoma Intl. Airport (SEA)?
Round-trip flights from National Airport to Sea-Tac Airport start from ₹79,001. This price is based on fares advertised within the last 7 days on Expedia for flights departing within the next year — book today to avoid missing out. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from National Airport to Sea-Tac Airport?
The majority of flights can be conveniently cancelled online, but whether or not you incur a fee varies between airlines. If you do have to cancel your getaway, follow the easy instructions in the Customer Service Portal.
How do I find cheap flights from Ronald Reagan Washington National Airport (DCA) to Sea-Tac Airport 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 Ronald Reagan Washington National Airport (DCA) to Sea-Tac Airport flights, you'll see a "no change fees" filter for you to select.
How far is the flight from DCA to Sea-Tac Airport?
It's around 3,700 kilometres from Ronald Reagan Washington National Airport (DCA) to Seattle - Tacoma Intl. Airport (SEA), so you'll be strapped into your seat for a while. Keep yourself entertained with things like your e-reader or the latest bestseller.
Which airlines fly direct from National Airport to Seattle - Tacoma Intl. Airport (SEA)?
Check out the fares with Alaska Airlines (AS) if you want to fly straight from Ronald Reagan Washington National Airport (DCA) to Sea-Tac Airport. This popular carrier operates 60 flights monthly, so you're sure to find one that suits your schedule.
Are Ronald Reagan Washington National Airport (DCA) to Seattle - Tacoma Intl. Airport (SEA) flight tickets cheaper when they're purchased at the last minute?
Late planners can sometimes score a bargain, with some of the cheapest airfares from Ronald Reagan Washington National Airport (DCA) to Seattle - Tacoma Intl. Airport (SEA) showing up a few weeks before the date of departure. If you'd rather book ahead, Expedia compares and updates the best flight deals continually — as early as a year in advance in some cases. It depends on the carrier though, as not all airlines advertise prices that far in advance.

Explore a world of travel with Expedia

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₹69,016.00
*Available to Expedia members.