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S$249 Cheap Flights from Raleigh to Seattle

View S$249 flight on Tue, 25 Aug, 2026Opens in a new window

Popular airlines from Raleigh-Durham International Airport (RDU) to Seattle-Tacoma International Airport (SEA)

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Cheap Flights from Raleigh to Seattle (RDU-SEA)

Prices were available within the past 7 days and start at S$249 for one-way flights and S$527 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Fri, 21 Aug - Fri, 28 Aug
RDU
Raleigh
SEA
Seattle
S$527 Return, found 1 day ago
S$527
Return
found 1 day ago
Select Delta flight, departing Fri, 21 Aug from Raleigh to Seattle, returning Fri, 28 Aug, priced at S$527 found 1 day ago
United
Tue, 25 Aug - Sat, 29 Aug
RDU
Raleigh
SEA
Seattle
S$531 Return, found 17 hours ago
S$531
Return
found 17 hours ago
Select United flight, departing Tue, 25 Aug from Raleigh to Seattle, returning Sat, 29 Aug, priced at S$531 found 17 hours ago
United
Tue, 25 Aug - Sat, 29 Aug
RDU
Raleigh
SEA
Seattle
S$532 Return, found 17 hours ago
S$532
Return
found 17 hours ago
Select United flight, departing Tue, 25 Aug from Raleigh to Seattle, returning Sat, 29 Aug, priced at S$532 found 17 hours ago
United
Tue, 25 Aug - Sat, 29 Aug
RDU
Raleigh
SEA
Seattle
S$538 Return, found 17 hours ago
S$538
Return
found 17 hours ago
Select United flight, departing Tue, 25 Aug from Raleigh to Seattle, returning Sat, 29 Aug, priced at S$538 found 17 hours ago
Delta
Tue, 25 Aug - Sat, 29 Aug
RDU
Raleigh
SEA
Seattle
S$563 Return, found 17 hours ago
S$563
Return
found 17 hours ago
Select Delta flight, departing Tue, 25 Aug from Raleigh to Seattle, returning Sat, 29 Aug, priced at S$563 found 17 hours ago
American Airlines
Tue, 18 Aug - Tue, 25 Aug
RDU
Raleigh
SEA
Seattle
S$566 Return, found 4 days ago
S$566
Return
found 4 days ago
Select American Airlines flight, departing Tue, 18 Aug from Raleigh to Seattle, returning Tue, 25 Aug, priced at S$566 found 4 days ago
United
Tue, 18 Aug - Tue, 25 Aug
RDU
Raleigh
SEA
Seattle
S$566 Return, found 4 days ago
S$566
Return
found 4 days ago
Select United flight, departing Tue, 18 Aug from Raleigh to Seattle, returning Tue, 25 Aug, priced at S$566 found 4 days ago
United
Tue, 18 Aug - Tue, 25 Aug
RDU
Raleigh
SEA
Seattle
S$567 Return, found 4 days ago
S$567
Return
found 4 days ago
Select United flight, departing Tue, 18 Aug from Raleigh to Seattle, returning Tue, 25 Aug, priced at S$567 found 4 days ago
United
Tue, 18 Aug - Tue, 25 Aug
RDU
Raleigh
SEA
Seattle
S$568 Return, found 4 days ago
S$568
Return
found 4 days ago
Select United flight, departing Tue, 18 Aug from Raleigh to Seattle, returning Tue, 25 Aug, priced at S$568 found 4 days ago
United
Tue, 18 Aug - Tue, 25 Aug
RDU
Raleigh
SEA
Seattle
S$574 Return, found 4 days ago
S$574
Return
found 4 days ago
Select United flight, departing Tue, 18 Aug from Raleigh to Seattle, returning Tue, 25 Aug, priced at S$574 found 4 days ago

Frequently asked questions

How much is a flight from Raleigh–Durham Airport to SEA?
The lowest price advertised for a round-trip journey between Raleigh–Durham Airport and SEA is S$527. But you better act soon. This price is taken from fares listed within the last 7 days on Expedia for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Raleigh–Durham Airport to Sea-Tac Airport?
Every air carrier has its own terms and conditions. If you do decide to cancel, follow the instructions on our Customer Service Portal.
How do I find cheap flights from Raleigh - Durham Intl. Airport (RDU) 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 Raleigh–Durham Airport to Seattle - Tacoma Intl. Airport (SEA) flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Raleigh - Durham Intl. Airport (RDU) to Sea-Tac Airport?
The flight distance from Morrisville to SeaTac is 3,800 kilometres. Pack yourself a drink, a few snacks and a few good podcasts. Keep yourself entertained and the hours will zip by.
Which airlines fly direct from Raleigh - Durham Intl. Airport (RDU) to SEA?
Alaska Airlines (AS) is a popular option. It offers 30 flights between RDU and Sea-Tac Airport each month. Delta Air Lines (DL) is also worth a look. It operates 30 flights each month. Between these two airlines, you'll be able to find a good deal from Morrisville to SeaTac.
Are RDU to SEA flight tickets cheaper when they're purchased at the last minute?
Booking your trip from Raleigh–Durham Airport to Seattle - Tacoma Intl. Airport (SEA) at the last minute could be your ticket to a fantastic deal. However, it could end up costing a good deal more! If you'd prefer not to take any chances, book well ahead of your departure date. In fact, Expedia has some of the biggest bargains as far ahead as 12 months in advance. If your preferred carrier hasn't released tickets yet, check back often as deals are updated all the time on Expedia.

Travel information

Origin airport
Raleigh - Durham Intl.
Destination airport
Seattle - Tacoma Intl.
Airlines serving
American Airlines, Delta, United
Return price
S$526
Distance
3757 km
Average flight time
2 hours 53 mins

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Perfect flights from Raleigh to Seattle

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*Note: Prices may vary based on availability and are subject to change.
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