AirHint found the following cheapest return flights from Medford (MFR) to Seattle (SEA) in January 2026 (see full year).

Return flights

08 Jan - 15 Jan	Alaska Airlines	direct
09 Jan - 16 Jan	Alaska Airlines	direct
11 Jan - 18 Jan	Hawaiian Airlines	direct
14 Jan - 21 Jan	Alaska Airlines	direct
09 Jan - 12 Jan	Delta	direct
09 Jan - 11 Jan	Delta	direct
13 Jan - 20 Jan	Delta	direct
24 Jan - 25 Jan	Delta	direct
10 Jan - 11 Jan	Delta	direct
15 Jan - 19 Jan	Delta	direct

Also check the deals for one-way flights from Medford to Seattle in January.

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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Cheapest return flights from Medford to Seattle in January from 77€

Return flights