Cheap flights from Las Vegas to San Diego from $56 LAS → SAN

Found recently, and the cheapest we hold

What have prices looked like?

Over 47 days, 24 Sept to 11 Nov, the cheapest return we saw each day was $54 to $252.

At $298, the cheapest return found recently is above that range.

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

Could nearby dates be cheaper?

No. We hold 2-night return fares on 1 other departure date within 3 days of 19 Nov, and it is not cheaper.

Every date we hold

4 fares on 4 departure dates

Found recently, and the cheapest we hold

What have prices looked like?

Over 47 days, 24 Sept to 11 Nov, the cheapest one-way we saw each day was $23 to $130.

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 27 Dec to compare.

Every date we hold

3 fares on 3 departure dates

Which month looks cheapest?

December 2026 is the cheapest month — from $24.

Return

Fares 14 to 29 days before departure were typically 36% lower than 0 to 6 days before departure.

From the cheapest return each day between 24 Sept and 11 Nov (47 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 63% lower than 7 to 13 days before departure.

From the cheapest one-way each day between 24 Sept and 11 Nov (47 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 Diego?

The cheapest return found recently is $298 with Frontier Airlines, 19 Nov to 21 Nov, found 2 days ago. The cheapest return we hold, of any age, is $144 with Frontier Airlines, 26 Nov to 29 Nov, found 7 days ago. The cheapest return fare on each of 4 departure dates is usually $221 to $299.

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

The cheapest one-way found recently is $56 with Frontier Airlines, 27 Dec, found 3 days ago. The cheapest one-way we hold, of any age, is $24 with Frontier Airlines, 5 Dec, found 6 days ago. The cheapest one-way fare on each of 3 departure dates is usually $40 to $97.

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

December 2026 is the cheapest month for a one-way, from $24, 5 Dec, found 6 days ago.

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

In 47 days of prices between 24 Sept and 11 Nov, return fares 14 to 29 days before departure were typically 36% lower than 0 to 6 days before departure. One-way fares 14 to 29 days before departure were typically 63% lower than 7 to 13 days before departure.

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

Yes, the cheapest nonstop return found recently is $144 with Frontier Airlines, 26 Nov to 29 Nov, found 7 days ago. The cheapest nonstop one-way found recently is $56 with Frontier Airlines, 27 Dec, found 3 days ago.

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

The cheapest nonstop one-way found recently, with Frontier Airlines on 27 Dec, takes 1 h 17 min from McCarran International Airport (LAS) to San Diego International Airport (SAN).

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

Between 18 Nov and 26 Nov, Frontier Airlines has the cheapest return on all 4 departure dates we hold. Between 29 Nov and 27 Dec, Frontier Airlines has the cheapest one-way on all 3 departure dates we hold.