Cheapest one-way flights from Denver to Seattle in January from 23€

Best time to book flights for Denver (DEN) to Seattle (SEA) flights at AirHint

AirHint found the following cheapest one-way flights from Denver (DEN) to Seattle (SEA) in January 2025 (see full year).

One-Way flights

30 Jan Frontier Airlines direct
19 Jan Frontier Airlines direct
09 Jan Frontier Airlines direct
13 Jan Frontier Airlines direct
29 Jan Frontier Airlines
12 Jan Frontier Airlines direct
07 Jan Delta direct
18 Jan Delta direct
21 Jan Delta direct
08 Jan Delta direct

Also check the deals for return flights from Denver to Seattle in January.

Skyscanner

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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