Cheap flights from Las Vegas to San Francisco from $25 LAS → SFO

Found recently, and the cheapest we hold

What have prices looked like?

Over 49 days, 24 Sept to 11 Nov, the cheapest return we saw each day was $53 to $105.

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 24 Dec to compare.

Every date we hold

76 fares on 7 departure dates

Which month looks cheapest?

January 2027 is the cheapest month — from $64.

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 $20 to $36.

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 20 Jan 2027 to compare.

Every date we hold

8 fares on 8 departure dates

Which month looks cheapest?

January 2027 is the cheapest month — from $25.

Return

Fares 30 to 59 days before departure were typically 71% 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 70% 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 Las Vegas to San Francisco?

The cheapest return found recently is $99 with Frontier Airlines, 24 Dec to 27 Dec, found 6 days ago. The cheapest return we hold, of any age, is $64 with Frontier Airlines, 6 Jan 2027 to 8 Jan 2027, found 7 days ago. The cheapest return fare on each of 7 departure dates is usually $99 to $180.

How much is a one-way flight from Las Vegas to San Francisco?

The cheapest one-way found recently is $25 with Frontier Airlines, 20 Jan 2027, found yesterday. The cheapest one-way fare on each of 8 departure dates is usually $36 to $125.

What is the cheapest month to fly from Las Vegas to San Francisco?

January 2027 is the cheapest month for a return, from $64, 6 Jan 2027 to 8 Jan 2027, found 7 days ago. It is the cheapest month for a one-way too, from $25, 20 Jan 2027, found yesterday.

How far ahead should I book a flight from Las Vegas to San Francisco?

In 49 days of prices between 24 Sept and 11 Nov, return fares 30 to 59 days before departure were typically 71% lower than 0 to 6 days before departure. One-way fares 30 to 59 days before departure were typically 70% lower than 0 to 6 days before departure.

Is there a direct flight from Las Vegas to San Francisco?

Yes, the cheapest nonstop return found recently is $99 with Frontier Airlines, 24 Dec to 27 Dec, found 6 days ago. The cheapest nonstop one-way found recently is $25 with Frontier Airlines, 20 Jan 2027, found yesterday.

How long is the flight from Las Vegas to San Francisco?

The cheapest nonstop one-way found recently, with Frontier Airlines on 20 Jan 2027, takes 1 h 48 min from McCarran International Airport (LAS) to San Francisco International Airport (SFO).

Which airlines have the cheapest flights from Las Vegas to San Francisco?

Between 19 Nov and 21 Feb 2027, Frontier Airlines has the cheapest return on all 7 departure dates we hold. Between 17 Dec and 28 Jul 2027, Frontier Airlines has the cheapest one-way on 6 of the 8 departure dates we hold, and Alaska Airlines on 2.