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Cheap flights from San Antonio to San Diego from $70

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Antonio to San Diego departing on 1/26. 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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Find the cheapest flights from San Antonio to San Diego

Cheap round-trip flights

These are some of the best round-trip flight deals from San Antonio to San Diego that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from San Antonio to San Diego.

Cheap last minute flights

Planning a quick getaway from San Antonio to San Diego? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to San Diego, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from San Antonio to San Diego

Find recent round-trip train or bus tickets from San Antonio to San Diego.

All round-trip flight deals to San Diego

The cheapest plane tickets to San Diego found on KAYAK recently.
2:07 pm - 5:11 pmSAT-SAN
5h 04m1 stop
10:35 am - 7:29 pmSAN-SAT
6h 54m1 stop
Mon, Jan 6 - Thu, Jan 9
1:02 pm - 11:52 pmSAT-SAN
12h 50m1 stop
2:48 pm - 4:58 pmSAN-SAT
24h 10m1 stop
$126Frontier
Find Deal
Sun, Feb 9 - Thu, Feb 13
5:45 am - 12:55 pmSAT-SAN
9h 10m1 stop
4:21 pm - 3:12 pmSAN-SAT
20h 51m1 stop
$151Spirit Airlines
Find Deal
Tue, Jan 14 - Tue, Jan 21
5:45 am - 12:55 pmSAT-SAN
9h 10m1 stop
6:15 am - 3:12 pmSAN-SAT
6h 57m1 stop
$165Spirit Airlines
Find Deal
Tue, Jan 21 - Tue, Feb 4
7:21 am - 11:07 amSAT-SAN
5h 46m1 stop
3:37 pm - 11:14 pmSAN-SAT
5h 37m1 stop
$258United Airlines
Find Deal
Thu, Jan 23 - Thu, Jan 23
7:21 am - 11:07 amSAT-SAN
5h 46m1 stop
7:43 pm - 8:47 amSAN-SAT
11h 04m2 stops
$263United Airlines
Find Deal
Thu, Jan 23 - Thu, Jan 23
1:10 pm - 5:35 pmSAT-SAN
6h 25m1 stop
7:05 pm - 11:40 pmSAN-SAT
2h 35mnonstop
$357Southwest
Find Deal
Fri, Jan 17 - Mon, Jan 20
12:25 pm - 1:35 pmSAT-SAN
3h 10mnonstop
8:15 am - 3:45 pmSAN-SAT
5h 30m1 stop
$397Southwest
Find Deal
Tue, Feb 25 - Fri, Feb 28
4:30 pm - 10:51 pmSAT-SAN
8h 21m1 stop
5:15 pm - 12:28 amSAN-SAT
5h 13m1 stop
$446Delta
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Fri, Mar 7 - Mon, Mar 10
6:10 pm - 11:43 pmSAT-SAN
7h 33m1 stop
5:10 pm - 12:44 amSAN-SAT
5h 34m1 stop
$626Delta
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Fri, May 2 - Mon, May 5
1:02 pm - 11:52 pmSAT-SAN
12h 50m1 stop
$70Frontier
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Sun, Jan 26
8:45 pm - 7:06 pmSAT-SAN
24h 21m1 stop
$75Frontier
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Fri, Jan 10
2:07 pm - 10:12 pmSAT-SAN
10h 05m1 stop
$79Spirit Airlines
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Sun, Jan 5
5:45 am - 2:01 pmSAT-SAN
10h 16m1 stop
$80Spirit Airlines
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Sat, Feb 22
4:07 pm - 10:18 pmSAT-SAN
8h 11m1 stop
$81Spirit Airlines
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Wed, Feb 5
2:27 pm - 11:58 pmSAT-SAN
11h 31m2 stops
$164United Airlines
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Wed, Jan 22
7:21 am - 6:34 pmSAT-SAN
13h 13m2 stops
$174United Airlines
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Thu, Jan 23
1:10 pm - 2:20 pmSAT-SAN
3h 10mnonstop
$199Southwest
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Sat, Feb 22
12:00 pm - 7:35 pmSAT-SAN
9h 35m2 stops
$213Southwest
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Sat, Feb 22
5:00 am - 8:38 amSAT-SAN
5h 38m1 stop
$374American Airlines
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Sun, Dec 29
10:27 pm - 11:54 pmSAT-SAN
27h 27m1 stop
6:06 pm - 1:12 pmSAN-SAT
17h 06m1 stop
Tue, Dec 24 - Sat, Jan 4
10:27 pm - 11:54 pmSAT-SAN
27h 27m1 stop
6:25 am - 9:27 pmSAN-SAT
13h 02m1 stop
$474Frontier
Find Deal
Tue, Dec 24 - Tue, Dec 31
10:27 pm - 11:54 pmSAT-SAN
27h 27m1 stop
6:15 am - 1:12 pmSAN-SAT
4h 57m1 stop
Tue, Dec 24 - Thu, Jan 2
2:07 pm - 10:12 pmSAT-SAN
10h 05m1 stop
6:06 pm - 11:26 pmSAN-SAT
27h 20m3 stops
$795Spirit Airlines
Find Deal
Fri, Dec 27 - Mon, Dec 30
2:07 pm - 10:12 pmSAT-SAN
10h 05m1 stop
7:16 pm - 11:26 pmSAN-SAT
26h 10m2 stops
$810Spirit Airlines
Find Deal
Fri, Dec 27 - Mon, Dec 30
12:25 pm - 4:05 pmSAT-SAN
5h 40m1 stop
8:51 pm - 12:55 pmSAN-SAT
14h 04m2 stops
$866United Airlines
Find Deal
Tue, Dec 24 - Tue, Dec 31
9:44 am - 5:37 pmSAT-SAN
9h 53m2 stops
10:06 am - 11:00 pmSAN-SAT
10h 54m2 stops
$871United Airlines
Find Deal
Tue, Dec 24 - Tue, Dec 31
5:45 pm - 6:50 pmSAT-SAN
3h 05mnonstop
7:00 am - 1:45 pmSAN-SAT
4h 45m1 stop
$894Southwest
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Tue, Dec 24 - Tue, Dec 31
3:05 pm - 5:55 pmSAT-SAN
4h 50m1 stop
7:05 am - 11:45 amSAN-SAT
2h 40mnonstop
$898Southwest
Find Deal
Tue, Dec 24 - Sat, Jan 4
2:30 pm - 11:32 pmSAT-SAN
11h 02m2 stops
6:15 am - 6:11 pmSAN-SAT
9h 56m2 stops
$1,989Delta
Find Deal
Fri, Dec 27 - Mon, Dec 30
12:25 pm - 1:35 pmSAT-SAN
3h 10mnonstop
4:05 pm - 8:40 pmSAN-SAT
2h 35mnonstop
$348Southwest
Find Deal
Tue, Jan 21 - Tue, Jan 28
7:10 am - 8:20 amSAT-SAN
3h 10mnonstop
7:55 pm - 12:30 amSAN-SAT
2h 35mnonstop
$398Southwest
Find Deal
Mon, Feb 24 - Thu, Feb 27
12:25 pm - 1:35 pmSAT-SAN
3h 10mnonstop
7:05 pm - 11:40 pmSAN-SAT
2h 35mnonstop
$430Southwest
Find Deal
Fri, Jan 10 - Sun, Jan 12
7:10 am - 8:20 amSAT-SAN
3h 10mnonstop
6:05 pm - 10:45 pmSAN-SAT
2h 40mnonstop
$443Southwest
Find Deal
Mon, Mar 3 - Fri, Mar 7
6:40 pm - 7:50 pmSAT-SAN
3h 10mnonstop
10:45 am - 3:20 pmSAN-SAT
2h 35mnonstop
$448Southwest
Find Deal
Fri, Feb 14 - Mon, Feb 17
8:20 pm - 9:10 pmSAT-SAN
2h 50mnonstop
6:45 pm - 11:30 pmSAN-SAT
2h 45mnonstop
$488Southwest
Find Deal
Fri, Jun 20 - Mon, Jun 23
5:35 pm - 6:35 pmSAT-SAN
3h 00mnonstop
6:55 pm - 11:35 pmSAN-SAT
2h 40mnonstop
$801Southwest
Find Deal
Fri, Jan 3 - Sun, Jan 5

United Airlines flights from San Antonio to San Diego

Our best United Airlines deals on San Antonio to San Diego flight tickets
United Airlines
Jan 23
SAT7:21 amSan Antonio
5h 46m
1 stop
SAN11:07 amSan Diego
Jan 23
SAN3:37 pmSan Diego
5h 37m
1 stop
SAT11:14 pmSan Antonio
United Airlines
Jan 23
SAT7:21 amSan Antonio
5h 46m
1 stop
SAN11:07 amSan Diego
Jan 23
SAN7:43 pmSan Diego
11h 04m
2 stops
SAT8:47 amSan Antonio
United Airlines
Jan 21
SAT7:48 pmSan Antonio
6h 26m
1 stop
SAN12:14 amSan Diego
Feb 4
SAN6:15 amSan Diego
12h 48m
2 stops
SAT9:03 pmSan Antonio

Frontier flights from San Antonio to San Diego

Our best Frontier deals on San Antonio to San Diego flight tickets
Frontier
Feb 9
SAT1:02 pmSan Antonio
12h 50m
1 stop
SAN11:52 pmSan Diego
Feb 13
SAN2:48 pmSan Diego
24h 10m
1 stop
SAT4:58 pmSan Antonio
Frontier
Feb 9
SAT8:20 pmSan Antonio
24h 38m
1 stop
SAN6:58 pmSan Diego
Feb 13
SAN9:56 pmSan Diego
17h 02m
1 stop
SAT4:58 pmSan Antonio
Frontier
Jan 23
SAT1:02 pmSan Antonio
12h 50m
1 stop
SAN11:52 pmSan Diego
Jan 29
SAN2:32 pmSan Diego
19h 30m
1 stop
SAT12:02 pmSan Antonio

See travel insights to San Diego from

How to get the cheapest flight ticket from San Antonio 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 August, then departing from San Antonio during the month February is also very affordable. Most momondo users find prices during this month for around $264.

What is the cheapest day to depart on your flight to San Diego?

The cheapest day to depart from San Antonio 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 $311. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $437. 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 $283. Flights in the morning are often more expensive with an average ticket price of $392.

What is the cheapest San Antonio to San Diego flight route?

Fly from San Antonio to San Diego for the best San Antonio - San Diego flight prices

How far in advance should I book a flight to San Diego?

Most flyers found that booking tickets 56 days in advance of their planned departure date is the best time to get cheap flights to San Diego. During this timeframe, flight prices are around $354. However, in the past 72 hours, people saw flights from San Antonio for as low as $168.

What cabin class options are available on San Antonio to San Diego flights?

There are 1 cabin classes available to choose from on San Antonio to San Diego flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on San Antonio to San Diego flights?

You could potentially save up to 59% on your flight if you consider stops on a San Antonio to San Diego flight.

How have San Antonio to San Diego flight prices changed over time?

As of December 2024, prices for San Antonio to San Diego flights are approximately 16% more expensive when compared to flights at the same time last year.

When to book flights from San Antonio to San Diego

Are you open to changing your travel dates? Check out the ideal times to fly from San Antonio to San Diego according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap San Antonio to San Diego (SAT to SAN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Antonio to San Diego

Best Price Found

$70

Fastest flight time

2h 50m

Direct flights

Mon, Tue, Wed, Thu, Sat and Sun

Airports in San Diego

1 airport
The best one-way flight to San Diego from San Antonio in the past 72 hours is $70. The best round-trip flight deal from San Antonio to San Diego found on momondo in the last 72 hours is $115.
The fastest flight from San Antonio to San Diego takes 2h 50m
Direct flights go from San Antonio to San Diego on Monday, Tuesday, Wednesday, Thursday, Saturday and Sunday. The only airline offering direct flights is Southwest.
There is 1 airport near San Diego: San Diego (SAN)

  • How far is San Antonio to San Diego by plane?

    The straight-line distance from San Antonio to San Diego is 1125.3 mi. By plane, this route typically takes 2h 50m.

  • When did momondo last update prices for flights from San Antonio Airport to San Diego Airport?

    Prices for flights from San Antonio Airport to San Diego Airport were last updated today.

  • How many operators does momondo search for flights from San Antonio Airport to San Diego Airport?

  • How old do you have to be to fly from San Antonio Airport to San Diego Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Antonio 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 San Antonio to San Diego?

  • What is the most popular airline from San Antonio to San Diego?


Best airlines flying from San Antonio to San Diego

Compare and see reviews for airlines that fly from San Antonio to San Diego with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $98Free CancellationRating
6.1
3,469 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $128Free CancellationRating
6.3
8,113 reviews
Search Spirit Airlines flights
Alaska AirlinesPriceFrom $138Free CancellationRating
8.0
9,549 reviews
Search Alaska Airlines flights
American AirlinesPriceFrom $248Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $295Free CancellationRating
8.0
8,588 reviews
Search Delta flights
SouthwestPriceFrom $323Free CancellationRating
8.1
4,780 reviews
Search Southwest flights
United AirlinesPriceFrom $372Free CancellationRating
7.4
9,022 reviews
Search United Airlines flights
  • Southwest Flights From San Antonio to San Diego

    Southwest flies from San Antonio to San Diego around 14 times per week, with 4,780 momondo users rating the airline 8.1/10. The cheapest Southwest deal from San Antonio to San Diego in the last 72 hours was $323 (round-trip), much lower than the average airfare cost of $449 for Southwest flights on this route.


Why use momondo?

Why should I use momondo to find a flight deal from San Antonio to San Diego?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to San Diego from San Antonio.

Can I find flights from San Antonio to San Diego with flexible booking policies on momondo?

All flight searches from San Antonio to San Diego on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from San Antonio to San Diego?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from San Antonio to San Diego.

I’m not ready to book a flight from San Antonio to San Diego right now. Can momondo alert me if prices change?

Price alerts on flights to San Diego from San Antonio 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.


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