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 August , September 2026

30 Aug - 25 Sep $ 618.00
RDU
Raleigh Durham
Frontier Airlines
3 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
3 STOPS
RDU
Raleigh Durham
Pick dates
30 Aug - 18 Sep $ 618.00
RDU
Raleigh Durham
Frontier Airlines
3 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
3 STOPS
RDU
Raleigh Durham
Pick dates
30 Aug - 25 Sep $ 621.00
RDU
Raleigh Durham
BREEZE
3 STOPS
BFI
Seattle
BFI
Seattle
BREEZE
3 STOPS
RDU
Raleigh Durham
Pick dates

Last minute flights from Raleigh Durham to Seattle

26 Aug - 01 Sep $ 888.00
RDU
Raleigh Durham
Frontier Airlines
3 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
3 STOPS
RDU
Raleigh Durham
Pick dates
29 Aug - 01 Sep $ 912.00
RDU
Raleigh Durham
Frontier Airlines
3 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
3 STOPS
RDU
Raleigh Durham
Pick dates
29 Aug - 01 Sep $ 936.00
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

9:59 PM - 9:25 PM
Air Excursions
3 Stops
27h 16m
RDU - BFI
$ 348
Kiwi
Pick dates
9:59 PM - 9:25 PM
Air Excursions
3 Stops
27h 16m
RDU - BFI
$ 354
Kiwi
Pick dates
6:05 AM - 9:25 PM
Air Excursions
3 Stops
19h 10m
RDU - BFI
$ 463
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.