Cheap flights from Portland to Oakland from $137 PDX → OAK

Found recently, and the cheapest we hold

What have prices looked like?

Over 27 days, 24 Sept to 11 Nov, the cheapest return we saw each day was $106 to $378.

27 days is a short history, so treat this range as an early guide.

Those were the prices on those days, not today's.

Could nearby dates be cheaper?

We hold no other 3-night return fares leaving within 3 days of 12 Dec to compare.

Every date we hold

8 fares on 4 departure dates

Which month looks cheapest?

December 2026 is the cheapest month — from $106.

Found recently, and the cheapest we hold

What have prices looked like?

Over 40 days, 24 Sept to 11 Nov, the cheapest one-way we saw each day was $57 to $208.

Those were the prices on those days, not today's.

Could nearby dates be cheaper?

Yes. Among one-way fares leaving within 3 days of 20 Nov, 22 Nov costs $167: $9 less than the cheapest found recently.

Frontier Airlines · Portland International Airport (PDX) → Metropolitan Oakland International Airport (OAK) · 1 stop · found 7 days ago

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Every date we hold

3 fares on 3 departure dates

Which month looks cheapest?

December 2026 is the cheapest month — from $86.

Return

Fares 30 to 59 days before departure were typically 69% lower than 7 to 13 days before departure.

From the cheapest return each day between 24 Sept and 11 Nov (27 days), grouped by how many days ahead the flight left; one adult in economy.

Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.

Prices reflect recent searches — current fares may differ.

One-way

Fares 60 to 89 days before departure were typically 39% lower than 0 to 6 days before departure.

From the cheapest one-way each day between 24 Sept and 11 Nov (40 days), grouped by how many days ahead the flight left; one adult in economy.

Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.

Prices reflect recent searches — current fares may differ.

How much is a return flight from Portland to Oakland?

The cheapest return found recently is $137 with Alaska Airlines, 12 Dec to 15 Dec, found 5 days ago. The cheapest return we hold, of any age, is $106 with Southwest Airlines, 10 Dec to 16 Dec, found 7 days ago. The cheapest return fare on each of 4 departure dates is usually $129 to $146.

How much is a one-way flight from Portland to Oakland?

The cheapest one-way found recently is $176 with Frontier Airlines, 20 Nov, found 3 days ago. The cheapest one-way we hold, of any age, is $86 with Southwest Airlines, 31 Dec, found 7 days ago. The cheapest one-way fare on each of 3 departure dates is usually $127 to $172.

What is the cheapest month to fly from Portland to Oakland?

December 2026 is the cheapest month for a return, from $106, 10 Dec to 16 Dec, found 7 days ago. It is the cheapest month for a one-way too, from $86, 31 Dec, found 7 days ago.

How far ahead should I book a flight from Portland to Oakland?

In 27 days of prices between 24 Sept and 11 Nov, return fares 30 to 59 days before departure were typically 69% lower than 7 to 13 days before departure. In 40 days of prices between 24 Sept and 11 Nov, one-way fares 60 to 89 days before departure were typically 39% lower than 0 to 6 days before departure.

Is there a direct flight from Portland to Oakland?

Yes, the cheapest nonstop return found recently is $137 with Alaska Airlines, 12 Dec to 15 Dec, found 5 days ago. The cheapest nonstop one-way found recently is $86 with Southwest Airlines, 31 Dec, found 7 days ago.

How long is the flight from Portland to Oakland?

The cheapest nonstop one-way found recently, with Southwest Airlines on 31 Dec, takes 1 h 45 min from Portland International Airport (PDX) to Metropolitan Oakland International Airport (OAK). The cheapest one-way found recently, with Frontier Airlines on 20 Nov, takes 20 h 31 min with 1 stop.

Which airlines have the cheapest flights from Portland to Oakland?

Between 7 Dec and 2 Feb 2027, Alaska Airlines has the cheapest return on 3 of the 4 departure dates we hold, and Southwest Airlines on 1. Between 20 Nov and 31 Dec, Frontier Airlines has the cheapest one-way on 2 of the 3 departure dates we hold, and Southwest Airlines on 1.