Cheapest return flights from Denver to Seattle in January from 51€

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

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

Return flights

19 Jan - 24 Jan Frontier Airlines direct
23 Jan - 26 Jan Frontier Airlines direct
10 Jan - 13 Jan Frontier Airlines direct
10 Jan - 12 Jan Frontier Airlines direct
23 Jan - 27 Jan Frontier Airlines direct
09 Jan - 12 Jan Frontier Airlines direct
09 Jan - 13 Jan Frontier Airlines direct
24 Jan - 26 Jan Frontier Airlines direct
31 Jan - 02 Feb Frontier Airlines direct
15 Jan - 02 Feb Frontier Airlines
22 Jan - 26 Jan Frontier Airlines
17 Jan - 24 Jan Frontier Airlines direct
15 Jan - 02 Feb Delta direct

Also check the deals for one-way 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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