S$268 Cheap Flights from Raleigh to Seattle

View S$268 flight on Sat, 22 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$268 for one-way flights and S$485 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sat, 22 Aug - Tue, 25 Aug
RDU
Raleigh
SEA
Seattle
S$485 Return, found 6 hours ago
S$485
Return
found 6 hours ago
Select American Airlines flight, departing Sat, 22 Aug from Raleigh to Seattle, returning Tue, 25 Aug, priced at S$485 found 6 hours ago
United
Sat, 22 Aug - Tue, 25 Aug
RDU
Raleigh
SEA
Seattle
S$491 Return, found 6 hours ago
S$491
Return
found 6 hours ago
Select United flight, departing Sat, 22 Aug from Raleigh to Seattle, returning Tue, 25 Aug, priced at S$491 found 6 hours ago
American Airlines
Sat, 22 Aug - Tue, 25 Aug
RDU
Raleigh
SEA
Seattle
S$511 Return, found 6 hours ago
S$511
Return
found 6 hours ago
Select American Airlines flight, departing Sat, 22 Aug from Raleigh to Seattle, returning Tue, 25 Aug, priced at S$511 found 6 hours ago
Delta
Sat, 22 Aug - Tue, 25 Aug
RDU
Raleigh
SEA
Seattle
S$530 Return, found 6 hours ago
S$530
Return
found 6 hours ago
Select Delta flight, departing Sat, 22 Aug from Raleigh to Seattle, returning Tue, 25 Aug, priced at S$530 found 6 hours ago
American Airlines
Sat, 22 Aug - Tue, 25 Aug
RDU
Raleigh
SEA
Seattle
S$536 Return, found 6 hours ago
S$536
Return
found 6 hours ago
Select American Airlines flight, departing Sat, 22 Aug from Raleigh to Seattle, returning Tue, 25 Aug, priced at S$536 found 6 hours ago
United
Sat, 22 Aug - Tue, 25 Aug
RDU
Raleigh
SEA
Seattle
S$543 Return, found 6 hours ago
S$543
Return
found 6 hours ago
Select United flight, departing Sat, 22 Aug from Raleigh to Seattle, returning Tue, 25 Aug, priced at S$543 found 6 hours ago
United
Sat, 22 Aug - Tue, 25 Aug
RDU
Raleigh
SEA
Seattle
S$544 Return, found 6 hours ago
S$544
Return
found 6 hours ago
Select United flight, departing Sat, 22 Aug from Raleigh to Seattle, returning Tue, 25 Aug, priced at S$544 found 6 hours ago
United
Sat, 22 Aug - Tue, 25 Aug
RDU
Raleigh
SEA
Seattle
S$549 Return, found 6 hours ago
S$549
Return
found 6 hours ago
Select United flight, departing Sat, 22 Aug from Raleigh to Seattle, returning Tue, 25 Aug, priced at S$549 found 6 hours ago
United
Fri, 21 Aug - Tue, 25 Aug
RDU
Raleigh
SEA
Seattle
S$556 Return, found 6 hours ago
S$556
Return
found 6 hours ago
Select United flight, departing Fri, 21 Aug from Raleigh to Seattle, returning Tue, 25 Aug, priced at S$556 found 6 hours ago
American Airlines
Sat, 22 Aug - Tue, 25 Aug
RDU
Raleigh
SEA
Seattle
S$561 Return, found 6 hours ago
S$561
Return
found 6 hours ago
Select American Airlines flight, departing Sat, 22 Aug from Raleigh to Seattle, returning Tue, 25 Aug, priced at S$561 found 6 hours ago

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

April is typically the cheapest month to fly

From S$205 - S$400 per traveller.

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$485. 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.
Return price
S$484
Distance
3757 km
Average flight time
3 hours 3 mins

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