Cheapest return flights from Oakland to Bellingham in December from $120

AirHint found the following cheapest return flights from Oakland (OAK) to Bellingham (BLI) in December 2025 (see full year).

Return flights

05 Dec - 19 Dec Allegiant Air direct
05 Dec - 20 Dec Allegiant Air direct
05 Dec - 12 Dec Allegiant Air direct
31 Dec - 19 Jan Allegiant Air direct
31 Dec - 16 Jan Allegiant Air direct
15 Dec - 19 Dec Allegiant Air direct
15 Dec - 20 Dec Allegiant Air direct
31 Dec - 05 Jan Allegiant Air direct
15 Dec - 05 Jan Allegiant Air direct
05 Dec - 26 Dec Allegiant Air direct
22 Dec - 05 Jan Allegiant Air direct
15 Dec - 26 Dec Allegiant Air direct
20 Dec - 05 Jan Allegiant Air direct
22 Dec - 26 Dec Allegiant Air direct
15 Dec - 28 Dec Allegiant Air direct
20 Dec - 26 Dec Allegiant Air direct

Also check the deals for one-way flights from Oakland to Bellingham in December.

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