Cheapest one-way flights from Pasco to Seattle in December from $62

AirHint found the following cheapest one-way flights from Pasco (PSC) to Seattle (SEA) in December 2025 (see full year).

One-Way flights

25 Dec Hawaiian Airlines direct
30 Dec Hawaiian Airlines direct
24 Dec Hawaiian Airlines direct
08 Dec Delta direct
09 Dec Delta direct
15 Dec Delta direct
29 Dec Hawaiian Airlines direct
14 Dec Alaska Airlines direct
19 Dec Alaska Airlines direct

Also check the deals for return flights from Pasco to Seattle in December.

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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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