Cheap flights from Las Vegas to San Diego from $23
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Las Vegas to San Diego departing on 6/30. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Spirit Airlines flights from Las Vegas to San Diego
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Frontier flights from Las Vegas to San Diego
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How to get the cheapest flight ticket from Las Vegas to San Diego
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the typical price of a round-trip flight between Las Vegas and San Diego?
What is the cheapest month to fly to San Diego?
If you are unable to visit San Diego during the month of August, then departing from Las Vegas during the month July is also very affordable. Most momondo users find prices during this month for around $69.
What is the cheapest day to depart on your flight to San Diego?
The cheapest day to depart from Las Vegas to San Diego is on a Tuesday. Travelers who choose to depart for San Diego on a Tuesday will often find tickets for as low as $83. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $127. These prices are subject to change though, so be sure to set up a Price Alert for flights to San Diego.
What is the cheapest time of day to depart on your flight to San Diego?
The cheapest time of day to fly to San Diego is in the afternoon when flights can be purchased for as low as $75. Flights at noon are often more expensive with an average ticket price of $96.
What is the cheapest Las Vegas Harry Reid Intl to San Diego flight route?
Fly from Las Vegas Harry Reid Intl to San Diego for the best Las Vegas Harry Reid Intl - San Diego flight prices
How far in advance should I book a flight to San Diego?
You are more likely to see cheaper flights to San Diego from Las Vegas when booking 4 weeks ahead of your departure date. In general, you can expect to find flights to San Diego for around $78 when searching 4 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Diego from Las Vegas for as low as $54 on momondo.
What cabin class options are available on Las Vegas Harry Reid Intl to San Diego flights?
There are 4 cabin classes available to choose from on Las Vegas Harry Reid Intl to San Diego flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from Las Vegas Harry Reid Intl to San Diego?
Spirit Airlines, Frontier, and Alaska Airlines are the most popular carriers operating from Las Vegas Harry Reid Intl to San Diego
What airlines fly to San Diego?
Frontier, Spirit Airlines and Southwest are the top three most popular airlines that fly to San Diego from Las Vegas according to our data. Frontier is the first choice among our users, with 43% of people opting to fly with this airline when traveling to San Diego. Keep in mind that there are 7 different airlines that fly to San Diego on a routine basis, so you have a few additional options to choose from.
How many flights depart from Las Vegas to San Diego on average per day?
As of June 2025, there are 16 flights per day flying from Las Vegas to San Diego. The most common time of day flights depart is 7:00AM, with 51% of flights taking off at noon.
How many flights depart from Las Vegas to San Diego on average per week?
As of June 2025, there are 115 flights per week flying from Las Vegas to San Diego. The most common day of the week flights depart is Tue, with 20% of flights taking off on this day.
When to book flights from Las Vegas to San Diego
Cheap Las Vegas to San Diego (LAS to SAN) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Las Vegas to San Diego
How far is Las Vegas Harry Reid Intl to San Diego by plane?
The straight-line distance from Las Vegas Harry Reid Intl to San Diego is 265.1 mi. 1h 08m is a normal flight duration for this route.
When did momondo last update prices for flights from Las Vegas Harry Reid Intl Airport to San Diego Airport?
Prices for flights from Las Vegas Harry Reid Intl Airport to San Diego Airport were last updated today.
How many operators does momondo search for flights from Las Vegas Harry Reid Intl Airport to San Diego Airport?
As of June 2025, there are 6 operators available to choose from for flights from Las Vegas Harry Reid Intl Airport to San Diego Airport.
How old do you have to be to fly from Las Vegas Harry Reid Intl Airport to San Diego Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Las Vegas Harry Reid Intl Airport to San Diego Airport.
What documentation or ID do you need to fly to San Diego Airport?
The necessary travel and health documents for your San Diego Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Las Vegas to San Diego?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Las Vegas to San Diego is Airbus A320neo (25.68% of total bookings). The next most popular plane models are Boeing 737-700 Passenger/BBJ1 (winglets) (13.71%), Boeing 737 MAX 8 (13.32%), and Embraer 175 (11.28%).
What is the most popular airline from Las Vegas to San Diego?
Based on momondo bookings for flights between Las Vegas and San Diego, the leading airline is Spirit Airlines, making up 48% of the total bookings. Other popular airlines include Frontier with 33%, Southwest with 9%, and Delta with 6%.
Best airlines flying from Las Vegas to San Diego
Compare and see reviews for airlines that fly from Las Vegas to San Diego with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $37 | Free Cancellation | Rating 5.9 3,295 reviews | |||
| PriceFrom $39 | Free Cancellation | Rating 6.3 8,052 reviews | |||
| PriceFrom $48 | Free Cancellation | Rating 7.8 2,494 reviews | |||
| PriceFrom $68 | Free Cancellation | Rating 8.0 7,950 reviews | |||
| PriceFrom $85 | Free Cancellation | Rating 8.0 4,287 reviews | |||
| PriceFrom $87 | Free Cancellation | Rating 8.0 10,000 reviews |
Delta Flights From Las Vegas to San Diego
The lowest priced Delta flight from Las Vegas to San Diego from the last 72 hours was $68. Generally, Delta has 21 flights on this route every week with an average price of $138. Delta is rated 8.0/10 by our users.
Southwest Flights From Las Vegas to San Diego
$85 is the best Southwest flight deal from Las Vegas to San Diego found on momondo over the last 72 hours. The average Southwest ticket price found was closer to $128, however, with flight time and availability significantly affecting the price. Southwest (8.0/10 from 4,287 user reviews) flies into San Diego from Las Vegas 57 times in an average week so prices can vary.
Traveling to a place near San Diego?
Book flights to San Diego if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Las Vegas to San Diego?
It is quick and easy to find Las Vegas to San Diego flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to San Diego that suits you.
Can I find flights from Las Vegas to San Diego with flexible booking policies on momondo?
Yes. All flights to San Diego from Las Vegas on momondo can be compared and filtered by various policies on offer, including flexible booking.
How can momondo help me find flights from Las Vegas to San Diego?
momondo helps you find the best flight between Las Vegas and San Diego by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.
I’m not ready to book a flight from Las Vegas to San Diego right now. Can momondo alert me if prices change?
If you are not ready to book a flight from Las Vegas to San Diego now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to San Diego and let you know when they change.