Cheapest return flights from Bellingham to Oakland in September from $82

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

Return flights

24 Sep - 13 Oct Allegiant Air direct
24 Sep - 29 Sep Allegiant Air direct
24 Sep - 01 Oct Allegiant Air direct
24 Sep - 03 Oct Allegiant Air direct
10 Sep - 29 Sep Allegiant Air direct
17 Sep - 29 Sep Allegiant Air direct
22 Sep - 29 Sep Allegiant Air direct
26 Sep - 15 Oct Allegiant Air direct
08 Sep - 10 Sep Allegiant Air direct
08 Sep - 15 Sep Allegiant Air direct
08 Sep - 17 Sep Allegiant Air direct
08 Sep - 24 Sep Allegiant Air direct
10 Sep - 15 Sep Allegiant Air direct
10 Sep - 17 Sep Allegiant Air direct
17 Sep - 01 Oct Allegiant Air direct
17 Sep - 03 Oct Allegiant Air direct
22 Sep - 01 Oct Allegiant Air direct
22 Sep - 03 Oct Allegiant Air direct
26 Sep - 13 Oct Allegiant Air direct
15 Sep - 01 Oct Allegiant Air direct

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

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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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