$34 Cheap Flights from Las Vegas (LAS) to San Diego (SAN)

You can find cheap one-way flights from $34 and cheap return flights from $56 Las Vegas, NV (LAS-Harry Reid Intl.) to San Diego, CA (SAN-San Diego Intl.) with Expedia. One-way flights typically cost between $51 and $1030, and return flights often range between $115 and $1540. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Las Vegas, NV (LAS-Harry Reid Intl.) to San Diego, CA (SAN-San Diego Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.

May is typically the cheapest month to fly from Las Vegas (LAS) to San Diego (SAN), with average return fares around $137. This price is about 15% lower than the average throughout the year, as May is a shoulder season with less travel demand. Other affordable months to consider are April and August.*Averages based on flights available on Expedia in the last year.

There are 4 airlines offering direct flights from LAS to SAN:

• Delta operates around 9 direct flights from LAS to SAN every week
• Hawaiian Airlines operates around 29 direct flights from LAS to SAN every week
• Frontier Airlines operates around 7 direct flights from LAS to SAN every week
• Spirit Airlines operates around 7 direct flights from LAS to SAN every week

Spirit Airlines is one of the cheapest airlines offering nonstop flights from Las Vegas (LAS) to San Diego (SAN), with round-trip tickets starting from around $138. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.

When flying from Las Vegas, NV (LAS) to San Diego, CA (SAN), the best times to travel are in May and August. These months offer return flights at an average price of about $137, making them the cheapest options. This timing is perfect for enjoying the beautiful Southern California weather and vibrant summer activities.*Prices based on flights available on Expedia in the last year.

Business class seats are offered on the LAS to SAN route with JetBlue Airways.First class cabins are available on:

• United Airlines
• Delta Air Lines
• American Airlines
• Hawaiian Airlines
• Spirit Airlines

A direct, return business class ticket from Las Vegas (LAS) to San Diego (SAN) typically costs between $596 - $842. A non-stop, one-way business class flight is usually around $194 - $381. Prices often fluctuate based on seasonality and how early you book. You may also be able to find a cheaper business class journey between Las Vegas, NV (LAS-Harry Reid Intl.) to San Diego, CA (SAN-San Diego Intl.) if you opt for a connecting flight.*Prices based on flights available on Expedia in the last year.

It's easy to earn miles on a Las Vegas, NV (LAS-Harry Reid Intl.) to San Diego, CA (SAN-San Diego Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.