Cheap Alaska Airlines flights Washington (DCA) to Seattle (SEA)

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Flights from Washington (DCA) to Seattle (SEA)
Origin airport
Ronald Reagan Washington National
Destination airport
Seattle - Tacoma Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, JetBlue Airways, Southwest Airlines, United
Popular airline
Alaska Airlines
Distance
2322 mi
Average flight time
2 hours 57 mins

Frequently asked questions

How much is an Alaska Airlines flight from Ronald Reagan Washington National Airport (DCA) to Seattle - Tacoma Intl. Airport (SEA)?
Landing cheap one-way Alaska Airlines flights from DCA to SEA on Expedia is a cinch --- just filter by "Price (lowest to highest)." Alternatively, check out our affordable round-trip fares for your next getaway.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from DCA to SEA with Alaska Airlines?
Alaska Airlines flights to Seattle are often cheaper in the quieter months of January and February. Whether you're in search of a one-way or round-trip ticket, you could land a better deal then.
What is the cheapest time to book flights from Ronald Reagan Washington National Airport (DCA) to Seattle - Tacoma Intl. Airport (SEA) with Alaska Airlines?
Look for cheap Alaska Airlines flights from Ronald Reagan Washington National Airport (DCA) to Seattle - Tacoma Intl. Airport (SEA) one to three months before your departure day. Travelers who book domestic flights 34 to 86 days in advance can save 25% compared to those who book just 6 to 12 days ahead. Regardless of fare type and itinerary, the best day of the week to book a domestic flight is generally Sunday and the most expensive day is typically Monday. Passengers who book on a Sunday can save 6% on average compared to those who book on a Monday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does Alaska Airlines fly nonstop from Ronald Reagan Washington National Airport (DCA) to Seattle - Tacoma Intl. Airport (SEA)?
Yes, you can fly from Ronald Reagan Washington National Airport (DCA) to Seattle - Tacoma Intl. Airport (SEA) on any of Alaska Airlines's 14 direct weekly flights. Apply Expedia's "Nonstop" and "Airline" filters to find the Alaska Airlines flight that'll arrive at SEA at your preferred time.
How long does it take to fly from DCA to SEA with Alaska Airlines?
From takeoff till landing, a nonstop Alaska Airlines flight from Ronald Reagan Washington National Airport (DCA) to Seattle - Tacoma Intl. Airport (SEA) typically takes 6h 4m.
Which day of the week has the most Alaska Airlines flights from Ronald Reagan Washington National Airport (DCA) to Seattle - Tacoma Intl. Airport (SEA)?
If flexibility is what you're after, Monday offers the most choice for Alaska Airlines flights from Ronald Reagan Washington National Airport (DCA) to Seattle - Tacoma Intl. Airport (SEA). You can pick from 2 different departures.
What is the earliest Alaska Airlines flight from DCA to SEA?
The earliest Alaska Airlines flight from DCA to SEA takes off at 8:00AM UTC-5, arriving at 11:04AM UTC-8. If you want to set off later, the last Alaska Airlines flight leaves DCA at 5:29PM UTC-5 and lands at SEA at 8:35PM UTC-8. Flying before midday is often a good idea as morning and mid-morning flights are less likely to experience cancellations.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does Alaska Airlines fly into in Seattle?
Alaska Airlines flights from Ronald Reagan Washington National Airport (DCA) to Seattle land at Seattle - Tacoma Intl. Airport (SEA). This is the main gateway here.
Why fly with Alaska Airlines from DCA to SEA?
Alaska Airlines makes flying from DCA to SEA enjoyable with top-tier customer service and a rewarding loyalty program. You could even start collecting points with Mileage Plan. Don't forget to join our free One Key™ rewards program to earn OneKeyCash™*, which can be redeemed on future bookings.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
What type of plane does Alaska Airlines fly from Ronald Reagan Washington National Airport (DCA) to Seattle - Tacoma Intl. Airport (SEA)?
Most likely, you'll board a Boeing 737-800 for your Alaska Airlines flight from Ronald Reagan Washington National Airport (DCA) to Seattle - Tacoma Intl. Airport (SEA). However, you may be switched to another aircraft for operational reasons.
Can I change or cancel my Alaska Airlines flight from Ronald Reagan Washington National Airport (DCA) to Seattle - Tacoma Intl. Airport (SEA)?
Depending on the type of ticket you purchased, a fee may apply if you modify or cancel your booking more than 24 hours after it's been confirmed. To secure tickets with more flexibility, select our "Changes included" and "No cancel fee" boxes while looking for flights. For more details on modifying or canceling your reservation, go to "Trips," select your flight and click on "Manage Booking."

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