Earn point on your loyalty program!arrow arc left

Cheap flights from Atlanta (ATL) 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 Atlanta (ATL) to Seattle (BFI)

How to find the cheapest flight from Atlanta (ATL) 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 Atlanta (ATL) 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 Atlanta (ATL) 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 Atlanta to Seattle in May , June 2026

28 May - 12 Jun $ 830.00
ATL
Atlanta
Frontier Airlines
2 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
2 STOPS
ATL
Atlanta
Pick dates
29 May - 12 Jun $ 830.00
ATL
Atlanta
Frontier Airlines
2 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
2 STOPS
ATL
Atlanta
Pick dates
28 May - 12 Jun $ 874.00
ATL
Atlanta
Frontier Airlines
2 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
2 STOPS
ATL
Atlanta
Pick dates

Last minute flights from Atlanta to Seattle

29 May - 01 Jun $ 1,107.00
ATL
Atlanta
Frontier Airlines
2 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
2 STOPS
ATL
Atlanta
Pick dates
28 May - 01 Jun $ 1,107.00
ATL
Atlanta
Frontier Airlines
2 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
2 STOPS
ATL
Atlanta
Pick dates
28 May - 01 Jun $ 1,151.00
ATL
Atlanta
Frontier Airlines
2 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
2 STOPS
ATL
Atlanta
Pick dates

One-way flights to Seattle from Atlanta

7:35 AM - 9:25 PM
Air Excursions
2 Stops
17h 40m
ATL - BFI
$ 522
Kiwi
Pick dates
7:35 AM - 9:25 PM
Air Excursions
2 Stops
17h 40m
ATL - BFI
$ 522
Kiwi
Pick dates
12:33 PM - 9:25 PM
Air Excursions
2 Stops
12h 42m
ATL - BFI
$ 565
Kiwi
Pick dates

How to find the cheapest flight from Atlanta (ATL) 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 Atlanta (ATL) 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 Atlanta (ATL) to Seattle (BFI)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.