AirHint found the following cheapest return flights from Eugene (EUG) to Seattle (SEA) in November 2025 (see full year).
Return flights
| 15 Nov - 16 Nov | Hawaiian Airlines | direct | |
| 21 Nov - 23 Nov | Delta | direct | |
| 06 Nov - 10 Nov | Delta | direct | |
| 07 Nov - 08 Nov | Delta | direct |
Also check the deals for one-way flights from Eugene to Seattle in November.
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