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Cheap flights from Raleigh Durham (RDU) to Seattle (BFI)

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How to find the cheapest flight from Raleigh Durham (RDU) to Seattle (BFI)

How to find the cheapest flight from Raleigh Durham (RDU) to Seattle (BFI)
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How to find the cheapest flight from Raleigh Durham (RDU) to Seattle (BFI)
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How to find the cheapest flight from Raleigh Durham (RDU) to Seattle (BFI)
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Cheap flights from Raleigh Durham to Seattle in December 2025 , January 2026

23 Dec - 16 Jan $ 1,143.00
RDU
Raleigh Durham
Frontier Airlines
3 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
2 STOPS
RDU
Raleigh Durham
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26 Dec - 12 Jan $ 1,164.00
RDU
Raleigh Durham
Frontier Airlines
3 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
3 STOPS
RDU
Raleigh Durham
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23 Dec - 12 Jan $ 1,197.00
RDU
Raleigh Durham
Frontier Airlines
3 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
3 STOPS
RDU
Raleigh Durham
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Last minute flights from Raleigh Durham to Seattle

26 Dec - 01 Jan $ 1,355.00
RDU
Raleigh Durham
Frontier Airlines
3 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
3 STOPS
RDU
Raleigh Durham
Pick dates
23 Dec - 01 Jan $ 1,391.00
RDU
Raleigh Durham
Frontier Airlines
3 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
3 STOPS
RDU
Raleigh Durham
Pick dates
29 Dec - 01 Jan $ 1,417.00
RDU
Raleigh Durham
Frontier Airlines
3 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
3 STOPS
RDU
Raleigh Durham
Pick dates

One-way flights to Seattle from Raleigh Durham

6:00 AM - 7:35 AM
Air Excursions
3 Stops
29h 25m
RDU - BFI
$ 709
Kiwi
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7:36 PM - 5:25 PM
Air Excursions
3 Stops
25h 39m
RDU - BFI
$ 734
Kiwi
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7:57 PM - 4:05 PM
Air Excursions
3 Stops
23h 58m
RDU - BFI
$ 771
Kiwi
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How to find the cheapest flight from Raleigh Durham (RDU) to Seattle (BFI)

Related info for your journey
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How to find the cheapest flight from Raleigh Durham (RDU) to Seattle (BFI)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Raleigh Durham (RDU) to Seattle (BFI)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.