£136 Cheap Alaska Airlines flights from Raleigh to Seattle (RDU→SEA)

View £136 flight on Wed, 18 Nov 2026Opens in a new window

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Alaska Airlines flights from Raleigh to Seattle (RDU→SEA)

Prices were available within the past 7 days and start at £136 for one-way flights and £250 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Wed, 18 Nov - Wed, 25 Nov
RDU
Raleigh
SEA
Seattle
£250 Return, found 5 days ago
£250
Return
found 5 days ago
Select Alaska Airlines flight, departing Wed, 18 Nov from Raleigh to Seattle, returning Wed, 25 Nov, priced at £250 found 5 days ago
Alaska Airlines
Wed, 18 Nov - Wed, 25 Nov
RDU
Raleigh
SEA
Seattle
£286 Return, found 5 days ago
£286
Return
found 5 days ago
Select Alaska Airlines flight, departing Wed, 18 Nov from Raleigh to Seattle, returning Wed, 25 Nov, priced at £286 found 5 days ago
Alaska Airlines
Mon, 16 Nov - Mon, 23 Nov
RDU
Raleigh
SEA
Seattle
£301 Return, found 5 days ago
£301
Return
found 5 days ago
Select Alaska Airlines flight, departing Mon, 16 Nov from Raleigh to Seattle, returning Mon, 23 Nov, priced at £301 found 5 days ago
Alaska Airlines
Fri, 14 Aug - Sun, 16 Aug
RDU
Raleigh
SEA
Seattle
£312 Return, found 14 hours ago
£312
Return
found 14 hours ago
Select Alaska Airlines flight, departing Fri, 14 Aug from Raleigh to Seattle, returning Sun, 16 Aug, priced at £312 found 14 hours ago
Alaska Airlines
Mon, 6 Jul - Sat, 11 Jul
RDU
Raleigh
SEA
Seattle
£319 Return, found 5 days ago
£319
Return
found 5 days ago
Select Alaska Airlines flight, departing Mon, 6 Jul from Raleigh to Seattle, returning Sat, 11 Jul, priced at £319 found 5 days ago
Alaska Airlines
Tue, 9 Jun - Wed, 24 Jun
RDU
Raleigh
SEA
Seattle
£329 Return, found 3 days ago
£329
Return
found 3 days ago
Select Alaska Airlines flight, departing Tue, 9 Jun from Raleigh to Seattle, returning Wed, 24 Jun, priced at £329 found 3 days ago

Find the cheapest month to fly from Raleigh (RDU) to Seattle (SEA)

May is typically the cheapest month to fly

From £167 - £315 per traveller.

Frequently asked questions

How much is an Alaska Airlines flight from Raleigh - Durham Intl. Airport (RDU) to Seattle - Tacoma Intl. Airport (SEA)?
Scoring cheap one-way Alaska Airlines flights from RDU to SEA from £136 on Expedia is simple — just filter by "Price (lowest to highest)." Alternatively, check out our budget-friendly return fares from £250 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 RDU to SEA with Alaska Airlines?
Alaska Airlines flights to Seattle are usually more affordable in the low-season months of January and February. Whether you need a round-trip or one-way ticket, you could land a better deal then.
Does Alaska Airlines fly nonstop from Raleigh - Durham Intl. Airport (RDU) to Seattle - Tacoma Intl. Airport (SEA)?
Take off on one of Alaska Airlines's 5 direct weekly flights from Raleigh - Durham Intl. Airport (RDU) to Seattle - Tacoma Intl. Airport (SEA). To view available options, enter your origin, destination and dates and hit search. Then use the "Nonstop" and "Airline" filters.
How long does it take to fly from RDU to SEA with Alaska Airlines?
Leave Raleigh - Durham Intl. Airport (RDU) for Seattle - Tacoma Intl. Airport (SEA) on a nonstop Alaska Airlines flight, and you'll be in the air for around 6h 10m.
What airports does Alaska Airlines fly into in Seattle?
Alaska Airlines flights from Raleigh - Durham Intl. Airport (RDU) to Seattle come in to Seattle - Tacoma Intl. Airport (SEA). This is the main entry point to this city.
What type of plane does Alaska Airlines fly from Raleigh - Durham Intl. Airport (RDU) to Seattle - Tacoma Intl. Airport (SEA)?
For the Raleigh - Durham Intl. Airport (RDU) to Seattle - Tacoma Intl. Airport (SEA) route, Alaska Airlines typically operates Boeing 737 MAX 9 and Boeing 737-900 planes. Remember that last-minute changes can occur for operational purposes, so your flight could be on another aircraft.
Can I change or cancel my Alaska Airlines flight from Raleigh - Durham Intl. Airport (RDU) to Seattle - Tacoma Intl. Airport (SEA)?
Depending on the ticket type you purchased, a fee typically applies if you cancel or change your booking more than 24 hours after it has been confirmed. To find flexible fares, select our "Changes included" or "No cancel fee" filter when you look for flights. To learn more about cancelling or changing your reservation, head to "Trips," select your flight and click on "Manage Booking."

Travel information

Origin airport
Raleigh - Durham Intl.
Destination airport
Seattle - Tacoma Intl.
Airlines serving
Alaska Airlines, JetBlue Airways
Popular airline
Alaska Airlines
Distance
3757 km
Average flight time
2 hours 51 mins

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