Cheap Flights from San Antonio to San Diego
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Deals from
San Antonio
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Prices updated 24 days ago
486,190 searches this week
171 airlines compared
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Fares are subject to change and may not be available for all dates. (Data last updated May 29, 2026.)
Today’s best flight deals from San Antonio to San Diego
Explore current cheapest deals departing from San Antonio to San Diego
Round trip
Sort by: Cheapest
September 1 - September 8
SAT - San Diego
$291
$211
Round trip
September 2 - September 8
SAT - San Diego
$290
$211
Round trip
September 2 - September 9
SAT - San Diego
$291
$211
Round trip
August 12 - August 15
SAT - San Diego
$303
$228
Round trip
August 4 - August 8
SAT - San Diego
$306
$229
Round trip
July 22 - July 28
SAT - San Diego
$503
$230
Round trip
July 14 - July 22
SAT - San Diego
$508
$231
Round trip
July 14 - July 15
SAT - San Diego
$535
$231
Round trip
July 21 - July 29
SAT - San Diego
$494
$231
Round trip
August 5 - August 8
SAT - San Diego
$306
$234
Round trip
Unlock all 500+ flight deals to San Diego and get alerts when great deals appear
Route Intelligence — 486,190 Searches this Week
Insights for flights from San Antonio to San Diego
How much is a round trip from San Antonio to San Diego
Regular price: $235 - $338
Prices for flights from San Antonio to San Diego are currently below the regular range.
The regular price range for this route is between $235 and $338. The current lowest deal is $211 with Frontier Airlines, valid for travel from Sep 1-Sep 8.
now $211
Low $235
High $338
The cheapest time to fly from San Antonio to San Diego
The cheapest month to fly from San Antonio to San Diego is December, with a median price of $255. The most expensive month is July, with a median price of $663. Prices are generally lower from January to December.
December
Flights from $255
July
Flights from $663
Direct flights from San Antonio to San Diego
Southwest Airlines
Last-minute flights going from San Antonio to San Diego
Wed, Jul 1
SAT - San Diego
San Antonio (SAT) - San Diego (SAN)
Frontier Airlines
$543
$250
One-way
Wed, Jul 1
SAT - San Diego
San Antonio (SAT) - San Diego (SAN)
Frontier Airlines
$543
$250
One-way
Wed, Jul 1
SAT - San Diego
San Antonio (SAT) - San Diego (SAN)
Frontier Airlines
$490
$270
One-way
Wed, Jul 1
SAT - San Diego
San Antonio (SAT) - San Diego (SAN)
Frontier Airlines
$553
$307
One-way
Fri, Jul 3
SAT - San Diego
San Antonio (SAT) - San Diego (SAN)
Frontier Airlines
$537
$291
One-way
Fri, Jul 3
SAT - San Diego
San Antonio (SAT) - San Diego (SAN)
Frontier Airlines
$568
$295
One-way
Biggest price drops on these dates for flights from San Antonio to San Diego
Jul 4 - Jul 8
$563 → $245
56%
Jul 14 - Jul 15
$535 → $231
57%
Jul 8 - Jul 10
$551 → $250
55%
Jul 8 - Jul 12
$552 → $251
55%
Popular Airports to fly from San Antonio to San Diego
San Antonio - San Diego route insights
💸 Price insights
Recent fares near the typical level
Recent fares are near the typical level, with 6% of deals considered good prices.
📅 Best time to fly
December is historically cheapest at $255
Historically, December is the cheapest month to fly, with a median price of $255.
⏱️ Flight duration
Connecting flights average 12h 1m
Flights from San Antonio to San Diego typically involve connections, averaging 12h 1m.
✈️ Airlines & availability
Connecting flights are dominant on this route
No direct flights are available; all routes include at least one stopover.
🏆 Airline highlight
Frontier Airlines offers a recent deal at $211
A recent deal from Frontier Airlines was found for $211, departing September 1.
🎯 Booking tip
Deals are frequent for this route
Deals for this route are frequent, with over 1 deal per day historically.
San Antonio main airports to depart from
San Antonio International (SAT)
San Antonio International Airport is a great option for flights from San Antonio to San Diego.
📍 ~15 km from San Antonio city center (reachable by car)
💸 Flights from ~$212
San Diego main airports to arrive at
San Diego International (SAN)
San Diego International Airport is a convenient arrival option for flights from San Antonio to San Diego.
📍 ~5 km from city center (reachable by car)
💸 Flights from ~$211
McClellan–Palomar (CLD)
McClellan–Palomar Airport is an alternative arrival option for flights from San Antonio to San Diego.
📍 ~50 km from city center (reachable by car)
💸 Flights from ~$311
Airports nearby San Diego used as alternative
Tijuana International (TIJ)
Tijuana International (TIJ) is an excellent alternative for Mexico flights, with direct access via the Cross Border Xpress.
📍 ~25 km from San Diego (reachable by car)
💸 Flights from ~$264
John Wayne (SNA)
John Wayne (SNA) is a good alternative for domestic US travel, offering a balance of proximity and service.
📍 ~120 km from San Diego (reachable by car)
💸 Flights from ~$239
Los Angeles International (LAX)
Los Angeles International (LAX) is a primary global hub with extensive international and domestic route options.
📍 ~190 km from San Diego (reachable by car)
💸 Flights from ~$228
Ontario International (ONT)
Ontario International (ONT) is a reliable domestic alternative with growing service, often less congested than LAX or SNA.
📍 ~175 km from San Diego (reachable by car)
💸 Flights from ~$206
Long Beach (LGB)
Long Beach (LGB) is easy to navigate with fast security, a good alternative for specific West Coast routes.
📍 ~160 km from San Diego (reachable by car)
💸 Flights from ~$292
Business & First Class Flight Deals to San Diego
Discover luxury on the budget with premium cabin class on flights from San Antonio to San Diego.
Elite
Best Elite deals to San Diego
Exclusive daily First Class, Business Class, and Premium Economy flight deals, refreshed every 24 hours.
From SAT
Elite
Aug 04
San Diego, United States
82% AI deal score
$1,449
$801
Save $648
From SAT
Elite
Jul 29
San Diego, United States
82% AI deal score
$1,395
$801
Save $594
From SAT
Elite
Jul 30
San Diego, United States
82% AI deal score
$1,467
$869
Save $598
From SAT
Elite
Oct 02
San Diego, United States
81% AI deal score
$1,516
$840
Save $676
From SAT
Elite
Jul 16
San Diego, United States
81% AI deal score
$1,425
$869
Save $556
From SAT
Elite
Jul 29
San Diego, United States
81% AI deal score
$1,427
$869
Save $558
From SAT
Elite
Oct 01
San Diego, United States
81% AI deal score
$1,570
$869
Save $701
From SAT
Elite
Aug 15
San Diego, United States
80% AI deal score
$1,369
$815
Save $554
From SAT
Elite
Jun 30
San Diego, United States
80% AI deal score
$1,249
$840
Save $409
From SAT
Elite
Jul 31
San Diego, United States
80% AI deal score
$1,361
$840
Save $521
From SAT
Elite
Jul 07
San Diego, United States
80% AI deal score
$1,359
$854
Save $505
From SAT
Elite
Oct 02
San Diego, United States
80% AI deal score
$1,522
$879
Save $643
From SAT
Elite
Oct 01
San Diego, United States
80% AI deal score
$1,511
$885
Save $626
From SAT
Elite
Jul 07
San Diego, United States
80% AI deal score
$1,390
$903
Save $487
From SAT
Elite
Aug 07
San Diego, United States
79% AI deal score
$1,371
$854
Save $517
From SAT
Elite
Jul 01
San Diego, United States
79% AI deal score
$1,436
$955
Save $481
From SAT
Elite
Nov 01
San Diego, United States
78% AI deal score
$1,390
$899
Save $491
From SAT
Elite
Jul 31
San Diego, United States
78% AI deal score
$1,392
$956
Save $436
From SAT
Elite
Jul 20
San Diego, United States
72% AI deal score
$2,644
$1,801
Save $843
From SAT
Elite
Jul 09
San Diego, United States
72% AI deal score
$1,423
$1,063
Save $360
From SAT
Elite
Jun 30
San Diego, United States
72% AI deal score
$1,385
$1,064
Save $321
From SAT
Elite
Aug 04
San Diego, United States
71% AI deal score
$1,239
$1,009
Save $230
From SAT
Elite
Jul 14
San Diego, United States
70% AI deal score
$2,415
$1,847
Save $568
From SAT
Elite
Jul 21
San Diego, United States
70% AI deal score
$2,451
$1,896
Save $555
From SAT
Elite
Jul 22
San Diego, United States
70% AI deal score
$2,507
$1,906
Save $601
From SAT
Elite
Jul 12
San Diego, United States
70% AI deal score
$2,412
$1,919
Save $493
From SAT
Elite
Jul 20
San Diego, United States
70% AI deal score
$2,429
$1,934
Save $495
From SAT
Elite
Jul 16
San Diego, United States
70% AI deal score
$2,451
$1,943
Save $508
From SAT
Elite
Jul 24
San Diego, United States
70% AI deal score
$2,596
$1,996
Save $600
From SAT
Elite
Aug 08
San Diego, United States
70% AI deal score
$1,199
$1,009
Save $190
From SAT
Elite
Jul 13
San Diego, United States
69% AI deal score
$2,407
$1,972
Save $435
From SAT
Elite
Jul 07
San Diego, United States
69% AI deal score
$2,337
$1,975
Save $362
From SAT
Elite
Jul 14
San Diego, United States
69% AI deal score
$2,395
$1,980
Save $415
From SAT
Elite
Jul 16
San Diego, United States
69% AI deal score
$2,399
$2,076
Save $323
From SAT
Elite
Aug 25
San Diego, United States
69% AI deal score
$1,141
$1,003
Save $138
From SAT
Elite
Aug 29
San Diego, United States
69% AI deal score
$1,127
$1,009
Save $118
From SAT
Elite
Aug 18
San Diego, United States
69% AI deal score
$1,149
$1,033
Save $116
From SAT
Elite
Aug 13
San Diego, United States
69% AI deal score
$1,178
$1,047
Save $131
From SAT
Elite
Nov 21
San Diego, United States
69% AI deal score
$1,438
$1,227
Save $211
From SAT
Elite
Jul 12
San Diego, United States
68% AI deal score
$2,332
$2,052
Save $280
From SAT
Elite
Jul 13
San Diego, United States
68% AI deal score
$2,390
$2,105
Save $285
From SAT
Elite
Jul 07
San Diego, United States
68% AI deal score
$2,315
$2,108
Save $207
From SAT
Elite
Jun 24
San Diego, United States
68% AI deal score
$2,331
$2,145
Save $186
From SAT
Elite
Jul 29
San Diego, United States
68% AI deal score
$2,382
$2,156
Save $226
From SAT
Elite
Jul 08
San Diego, United States
68% AI deal score
$1,096
$1,009
Save $87
From SAT
Elite
Jul 21
San Diego, United States
67% AI deal score
$2,322
$2,156
Save $166
From SAT
Elite
Jul 28
San Diego, United States
67% AI deal score
$2,327
$2,158
Save $169
From SAT
Elite
Jul 29
San Diego, United States
67% AI deal score
$2,325
$2,162
Save $163
From SAT
Elite
Jul 21
San Diego, United States
67% AI deal score
$2,322
$2,162
Save $160
From SAT
Elite
Jul 28
San Diego, United States
67% AI deal score
$2,324
$2,164
Save $160
From SAT
Elite
Jul 22
San Diego, United States
67% AI deal score
$2,322
$2,167
Save $155
From SAT
Elite
Jul 22
San Diego, United States
67% AI deal score
$2,322
$2,173
Save $149
From SAT
Elite
Jul 29
San Diego, United States
67% AI deal score
$2,318
$2,177
Save $141
From SAT
Elite
Jul 21
San Diego, United States
67% AI deal score
$2,322
$2,177
Save $145
From SAT
Elite
Jul 28
San Diego, United States
67% AI deal score
$2,320
$2,179
Save $141
From SAT
Elite
Jul 22
San Diego, United States
67% AI deal score
$2,322
$2,188
Save $134
From SAT
Elite
Jul 22
San Diego, United States
67% AI deal score
$1,064
$1,033
Save $31
From SAT
Elite
Sep 30
San Diego, United States
67% AI deal score
$1,065
$1,033
Save $32
From SAT
Elite
Oct 03
San Diego, United States
67% AI deal score
$1,099
$1,047
Save $52
From SAT
Elite
Aug 11
San Diego, United States
66% AI deal score
$2,182
$2,128
Save $54
From SAT
Elite
Aug 13
San Diego, United States
66% AI deal score
$2,182
$2,170
Save $12
From SAT
Elite
Jul 14
San Diego, United States
66% AI deal score
$1,058
$1,033
Save $25
From SAT
Elite
Sep 05
San Diego, United States
66% AI deal score
$1,053
$1,047
Save $6
From SAT
Elite
Sep 26
San Diego, United States
66% AI deal score
$1,063
$1,047
Save $16
From SAT
Elite
Sep 16
San Diego, United States
65% AI deal score
$1,046
From SAT
Elite
Aug 04
San Diego, United States
50% AI deal score
$2,172
From SAT
Elite
Aug 11
San Diego, United States
50% AI deal score
$2,172
From SAT
Elite
Aug 26
San Diego, United States
49% AI deal score
$2,358
From SAT
Elite
Aug 11
San Diego, United States
48% AI deal score
$2,143
From SAT
Elite
Aug 04
San Diego, United States
45% AI deal score
$2,122
From SAT
Elite
Aug 04
San Diego, United States
44% AI deal score
$2,128
From SAT
Elite
Aug 04
San Diego, United States
44% AI deal score
$2,143
From SAT
Elite
Aug 13
San Diego, United States
44% AI deal score
$2,164
From SAT
Elite
Aug 05
San Diego, United States
44% AI deal score
$2,167
From SAT
Elite
Aug 04
San Diego, United States
44% AI deal score
$2,172
From SAT
Elite
Aug 11
San Diego, United States
44% AI deal score
$2,173
From SAT
Elite
Aug 05
San Diego, United States
44% AI deal score
$2,173
From SAT
Elite
Aug 04
San Diego, United States
44% AI deal score
$2,181
From SAT
Elite
Aug 11
San Diego, United States
44% AI deal score
$2,181
From SAT
Elite
Aug 05
San Diego, United States
44% AI deal score
$2,188
From SAT
Elite
Jun 30
San Diego, United States
44% AI deal score
$1,196
From SAT
Elite
Jun 30
San Diego, United States
42% AI deal score
$1,638
From SAT
Elite
Jul 01
San Diego, United States
41% AI deal score
$1,598
From SAT
Elite
Jul 23
San Diego, United States
41% AI deal score
$1,784
From SAT
Elite
Aug 15
San Diego, United States
40% AI deal score
$14,507
From SAT
Elite
Sep 24
San Diego, United States
39% AI deal score
$2,690
From SAT
Elite
Jul 24
San Diego, United States
39% AI deal score
$2,719
From SAT
Elite
Jul 30
San Diego, United States
39% AI deal score
$2,855
From SAT
Elite
Jul 02
San Diego, United States
39% AI deal score
$3,048