Cheap flights from Seattle to Los Angeles from $74 BFI, SEA → BUR, LAX, SNA

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 $84 to $193.

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

Could nearby dates be cheaper?

No. We hold 4-night return fares on 1 other departure date within 3 days of 10 Dec, and it is not cheaper.

Every date we hold

161 fares on 8 departure dates

Which month looks cheapest?

December 2026 is the cheapest month — from $131.

Found recently, and the cheapest we hold

It is also the cheapest one-way we hold, of any age.

What have prices looked like?

Over 49 days, 24 Sept to 11 Nov, the cheapest one-way we saw each day was $18 to $108.

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

Could nearby dates be cheaper?

No. We hold one-way fares on 2 other departure dates within 3 days of 15 Dec, and none is cheaper.

Every date we hold

35 fares on 23 departure dates

Which month looks cheapest?

December 2026 is the cheapest month — from $74.

Return

Fares 90 to 179 days before departure were typically 55% 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 14 to 29 days before departure were typically 68% lower than 0 to 6 days before departure.

From the cheapest one-way 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.

How much is a return flight from Seattle to Los Angeles?

The cheapest return found recently is $131 with Southwest Airlines, 10 Dec to 14 Dec, found yesterday. The cheapest return fare on each of 8 departure dates is usually $148 to $295.

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

The cheapest one-way found recently is $74 with Alaska Airlines, 15 Dec, found 2 days ago. The cheapest one-way fare on each of 23 departure dates is usually $109 to $212.

What is the cheapest month to fly from Seattle to Los Angeles?

December 2026 is the cheapest month for a return, from $131, 10 Dec to 14 Dec, found yesterday. It is the cheapest month for a one-way too, from $74, 15 Dec, found 2 days ago.

Every date in December 2026

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

In 49 days of prices between 24 Sept and 11 Nov, return fares 90 to 179 days before departure were typically 55% lower than 0 to 6 days before departure. One-way fares 14 to 29 days before departure were typically 68% lower than 0 to 6 days before departure.

Is there a direct flight from Seattle to Los Angeles?

Yes, the cheapest nonstop return found recently is $132 with Alaska Airlines, 11 Dec to 13 Dec, found 2 days ago. The cheapest nonstop one-way found recently is $109 with Southwest Airlines, 11 Dec, found yesterday.

Every nonstop date from Seattle to Los Angeles

How long is the flight from Seattle to Los Angeles?

The cheapest nonstop one-way found recently, with Southwest Airlines on 11 Dec, takes 4 h 20 min from Seattle-Tacoma International Airport (SEA) to John Wayne Airport - Santa Ana (SNA). The cheapest one-way found recently, with Alaska Airlines on 15 Dec, takes 7 h 11 min with 1 stop.

Which airlines have the cheapest flights from Seattle to Los Angeles?

Between 17 Nov and 13 Dec, Frontier Airlines has the cheapest return on 3 of the 8 departure dates we hold, Alaska Airlines on 3 and American Airlines on 1. Between 16 Nov and 8 Jan 2027, Alaska Airlines has the cheapest one-way on 8 of the 23 departure dates we hold, SeaPort Airlines on 6 and Frontier Airlines on 6.