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Cheap flights from Seattle (BFI) to Denver (DEN)

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How to find the cheapest flight from Seattle (BFI) to Denver (DEN)

How to find the cheapest flight from Seattle (BFI) to Denver (DEN)
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How to find the cheapest flight from Seattle (BFI) to Denver (DEN)
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How to find the cheapest flight from Seattle (BFI) to Denver (DEN)
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Cheap flights from Seattle to Denver in December 2025 , January 2026

23 Dec - 08 Jan $ 846.00
BFI
Seattle
Air Excursions
1 STOPS
DEN
Denver
DEN
Denver
Air Excursions
1 STOPS
BFI
Seattle
Pick dates
30 Dec - 08 Jan $ 846.00
BFI
Seattle
Air Excursions
1 STOPS
DEN
Denver
DEN
Denver
Air Excursions
1 STOPS
BFI
Seattle
Pick dates
30 Dec - 15 Jan $ 846.00
BFI
Seattle
Air Excursions
1 STOPS
DEN
Denver
DEN
Denver
Air Excursions
1 STOPS
BFI
Seattle
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Last minute flights from Seattle to Denver

30 Dec - 02 Jan $ 1,095.00
BFI
Seattle
Air Excursions
1 STOPS
DEN
Denver
DEN
Denver
Air Excursions
2 STOPS
BFI
Seattle
Pick dates
23 Dec - 02 Jan $ 1,095.00
BFI
Seattle
Air Excursions
1 STOPS
DEN
Denver
DEN
Denver
Air Excursions
2 STOPS
BFI
Seattle
Pick dates
27 Dec - 02 Jan $ 1,122.00
BFI
Seattle
Air Excursions
1 STOPS
DEN
Denver
DEN
Denver
Air Excursions
2 STOPS
BFI
Seattle
Pick dates

One-way flights to Denver from Seattle

9:35 AM - 12:47 PM
Frontier Airlines
1 Stops
5h 40m
BFI - DEN
$ 504
Kiwi
Pick dates
9:35 AM - 12:47 PM
Frontier Airlines
1 Stops
5h 40m
BFI - DEN
$ 504
Kiwi
Pick dates
8:55 AM - 12:37 PM
Frontier Airlines
1 Stops
6h 10m
BFI - DEN
$ 531
Kiwi
Pick dates

How to find the cheapest flight from Seattle (BFI) to Denver (DEN)

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