Cheap flights from Oakland to Seattle from $98 OAK → SEA

Found recently, and the cheapest we hold

It is also the cheapest return we hold, of any age.

What have prices looked like?

Over 49 days, 24 Sept to 11 Nov, the cheapest return we saw each day was $117 to $218.

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

Could nearby dates be cheaper?

We hold no other 9-night return fares leaving within 3 days of 15 Dec to compare.

Every date we hold

13 fares on 9 departure dates

Which month looks cheapest?

December 2026 is the cheapest month — from $129.

Found recently, and the cheapest we hold

What have prices looked like?

Over 48 days, 24 Sept to 11 Nov, the cheapest one-way we saw each day was $57 to $116.

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

Could nearby dates be cheaper?

We hold no other one-way fares leaving within 3 days of 14 Jan 2027 to compare.

Every date we hold

5 fares on 5 departure dates

Which month looks cheapest?

December 2026 is the cheapest month — from $78.

Return

Fares 30 to 59 days before departure were typically 79% lower than 0 to 6 days before departure.

From the cheapest return each day between 24 Sept and 11 Nov (49 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 30 to 59 days before departure were typically 43% lower than 0 to 6 days before departure.

From the cheapest one-way each day between 24 Sept and 11 Nov (48 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 Oakland to Seattle?

The cheapest return found recently is $129 with Alaska Airlines, 15 Dec to 24 Dec, found 2 days ago. The cheapest return fare on each of 9 departure dates is usually $158 to $462.

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

The cheapest one-way found recently is $98 with Southwest Airlines, 14 Jan 2027, found 2 days ago. The cheapest one-way we hold, of any age, is $78 with Alaska Airlines, 9 Dec, found 7 days ago. The cheapest one-way fare on each of 5 departure dates is usually $97 to $182.

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

December 2026 is the cheapest month for a return, from $129, 5 Dec to 25 Dec, found 7 days ago. It is the cheapest month for a one-way too, from $78, 9 Dec, found 7 days ago.

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

In 49 days of prices between 24 Sept and 11 Nov, return fares 30 to 59 days before departure were typically 79% lower than 0 to 6 days before departure. In 48 days of prices between 24 Sept and 11 Nov, one-way fares 30 to 59 days before departure were typically 43% lower than 0 to 6 days before departure.

Is there a direct flight from Oakland to Seattle?

Yes, the cheapest nonstop return found recently is $129 with Alaska Airlines, 15 Dec to 24 Dec, found 2 days ago. The cheapest nonstop one-way found recently is $98 with Southwest Airlines, 14 Jan 2027, found 2 days ago.

How long is the flight from Oakland to Seattle?

The cheapest nonstop one-way found recently, with Southwest Airlines on 14 Jan 2027, takes 2 h 5 min from Metropolitan Oakland International Airport (OAK) to Seattle-Tacoma International Airport (SEA).

Which airlines have the cheapest flights from Oakland to Seattle?

Between 15 Nov and 13 Feb 2027, Alaska Airlines has the cheapest return on 6 of the 9 departure dates we hold, and Southwest Airlines on 3. Between 21 Nov and 14 Jan 2027, Southwest Airlines has the cheapest one-way on 2 of the 5 departure dates we hold, Alaska Airlines on 2 and Frontier Airlines on 1.