Earn point on your loyalty program!arrow arc left

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

Know your dates, get live prices in seconds
airplane logo

pin logo

calendar
Departure
calendar backward
Return
airplane logo
1 Adults (11+)
0 Children (2~11)
0 Infants (0~2)
Save up to 31%
Book Flight + Hotel at the same time

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)
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.
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.

Cheap flights from Raleigh Durham to Seattle in April , May 2026

22 Apr - 12 May $ 894.00
RDU
Raleigh Durham
Frontier Airlines
2 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
3 STOPS
RDU
Raleigh Durham
Pick dates
23 Apr - 12 May $ 900.00
RDU
Raleigh Durham
Frontier Airlines
2 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
3 STOPS
RDU
Raleigh Durham
Pick dates
23 Apr - 16 May $ 922.00
RDU
Raleigh Durham
Frontier Airlines
2 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
3 STOPS
RDU
Raleigh Durham
Pick dates

Last minute flights from Raleigh Durham to Seattle

22 Apr - 01 May $ 927.00
RDU
Raleigh Durham
Frontier Airlines
2 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
3 STOPS
RDU
Raleigh Durham
Pick dates
23 Apr - 01 May $ 933.00
RDU
Raleigh Durham
Frontier Airlines
2 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
3 STOPS
RDU
Raleigh Durham
Pick dates
25 Apr - 01 May $ 966.00
RDU
Raleigh Durham
Frontier Airlines
2 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
3 STOPS
RDU
Raleigh Durham
Pick dates

One-way flights to Seattle from Raleigh Durham

6:55 PM - 4:05 PM
Air Excursions
2 Stops
25h
RDU - BFI
$ 436
Kiwi
Pick dates
9:49 PM - 4:05 PM
Air Excursions
2 Stops
22h 6m
RDU - BFI
$ 441
Kiwi
Pick dates
10:31 AM - 6:45 PM
Air Excursions
2 Stops
12h 4m
RDU - BFI
$ 2,051
Kiwi
Pick dates

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

Related info for your journey
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.
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.