Cheap flights from Austin to San Diego from $40
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Austin to San Diego departing on 5/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from Austin to San Diego
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
Cheap direct flights
Spirit Airlines flights from Austin to San Diego
Our best Spirit Airlines deals on Austin to San Diego flight tickets
Frontier flights from Austin to San Diego
Our best Frontier deals on Austin to San Diego flight tickets
See travel insights to San Diego from
How to get the cheapest flight ticket from Austin 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 cheapest month to fly to San Diego?
If you are unable to visit San Diego during the month of September, then departing from Austin during the month August is also very affordable. Most momondo users find prices during this month for around $238.
What is the cheapest day to depart on your flight to San Diego?
The cheapest day to depart from Austin to San Diego is on a Wednesday. Travelers who choose to depart for San Diego on a Wednesday will often find tickets for as low as $291. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $418. 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 evening when flights can be purchased for as low as $306. Flights at noon are often more expensive with an average ticket price of $391.
What is the cheapest Austin Bergstrom to San Diego flight route?
Fly from Austin Bergstrom to San Diego for the best Austin Bergstrom - 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 Austin when booking 5 weeks ahead of your departure date. In general, you can expect to find flights to San Diego for around $287 when searching 5 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Diego from Austin for as low as $235 on momondo.
What cabin class options are available on Austin Bergstrom to San Diego flights?
There are 4 cabin classes available to choose from on Austin Bergstrom 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 Austin Bergstrom to San Diego?
Spirit Airlines, Frontier, and Alaska Airlines are the most popular carriers operating from Austin Bergstrom to San Diego
What airlines fly to San Diego?
American Airlines, Southwest and Alaska Airlines are the top three most popular airlines that fly to San Diego from Austin according to our data. American Airlines is the first choice among our users, with 38% of people opting to fly with this airline when traveling to San Diego. Keep in mind that there are 9 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 Austin to San Diego on average per day?
As of April 2025, there are 9 flights per day flying from Austin to San Diego. The most common time of day flights depart is 6:00AM, with 48% of flights taking off at noon.
How many flights depart from Austin to San Diego on average per week?
As of April 2025, 67 flights take off from Austin and land in San Diego each week. The most common flight departure day for this route is Mon, with 18% of weekly flights taking off on this day.
When to book flights from Austin to San Diego
Cheap Austin to San Diego (AUS to SAN) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Austin to San Diego
How far is Austin Bergstrom to San Diego by plane?
There are 1153.4 mi between Austin Bergstrom and San Diego. 2h 52m is a normal flight duration for this route.
When did momondo last update prices for flights from Austin Bergstrom Airport to San Diego Airport?
Prices for flights from Austin Bergstrom Airport to San Diego Airport are updated daily.
How many operators does momondo search for flights from Austin Bergstrom Airport to San Diego Airport?
The number of operators available for flights from Austin Bergstrom Airport to San Diego Airport is 8 as of April 2025.
How old do you have to be to fly from Austin Bergstrom Airport to San Diego Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Austin Bergstrom Airport to San Diego Airport.
What documentation or ID do you need to fly to San Diego Airport?
The required travel and health documents for your San Diego Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at San Diego Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Austin to San Diego?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Austin to San Diego is Boeing 737-700 Passenger/BBJ1 (winglets) (22.86% of total bookings). The next most popular plane models are Embraer 175 (21.53%), Boeing 737-800 Passenger/BBJ2 (winglets) (18.77%), and Embraer 170 (17.00%).
What is the most popular airline from Austin to San Diego?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Austin to San Diego is Alaska Airlines (51% of total bookings). The next most popular airlines are Southwest (28%), American Airlines (11%), and Frontier (6%).
Best airlines flying from Austin to San Diego
Compare and see reviews for airlines that fly from Austin to San Diego with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $63 | Free Cancellation | Rating 6.3 7,888 reviews | |||
| PriceFrom $106 | Free Cancellation | Rating 5.9 3,276 reviews | |||
| PriceFrom $160 | Free Cancellation | Rating 8.0 9,825 reviews | |||
| PriceFrom $173 | Free Cancellation | Rating 8.0 4,272 reviews | |||
| PriceFrom $195 | Free Cancellation | Rating 8.0 7,897 reviews | |||
| PriceFrom $196 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $216 | Free Cancellation | Rating 7.4 8,616 reviews | |||
| PriceFrom $231 | Free Cancellation | Rating 7.9 2,344 reviews |
Alaska Airlines Flights From Austin to San Diego
Across 14 Alaska Airlines flights from Austin to San Diego this week, the average price was $282, with the best Alaska Airlines deals starting from $160 round-trip. 9,827 users have rated Alaska Airlines on momondo, with an average score of 8.0/10.
Southwest Flights From Austin to San Diego
Southwest (8.0/10 from 4,274 reviews) operates around 25 flights from Austin to San Diego in any given week. The average Southwest airfare for this route is around $307, with deals from around $173 rare but found on momondo. Referenced prices are for round-trip Austin to San Diego flight searches in the last 72 hours.
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 Austin to San Diego?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Austin to San Diego. momondo saves you time and could save you money on your trip.
Can I find flights from Austin to San Diego with flexible booking policies on momondo?
Yes. All flights to San Diego from Austin on momondo can be compared and filtered by various policies on offer, including flexible booking.
How can momondo help me find flights from Austin to San Diego?
Once you have performed a search for Austin to San Diego flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.
I’m not ready to book a flight from Austin to San Diego right now. Can momondo alert me if prices change?
Price alerts on flights to San Diego from Austin are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.