Cheap Flights from Detroit to 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 Detroit to San Antonio
Explore current cheapest deals departing from Detroit to San Antonio
Round trip
Sort by: Cheapest
August 25 - August 31
DTW - San Antonio
$286
$252
Round trip
August 8 - August 11
DTW - San Antonio
$301
$255
Round trip
August 25 - August 28
DTW - San Antonio
$297
$255
Round trip
September 16 - September 19
DTW - San Antonio
$355
$255
Round trip
September 5 - September 8
DTW - San Antonio
$351
$257
Round trip
July 24 - July 29
DTW - San Antonio
$317
$260
Round trip
August 14 - August 17
DTW - San Antonio
$296
$260
Round trip
August 20 - August 23
DTW - San Antonio
$297
$260
Round trip
August 2 - August 9
DTW - San Antonio
$280
$260
Round trip
August 21 - August 23
DTW - San Antonio
$299
$260
Round trip
Unlock all 500+ flight deals to San Antonio and get alerts when great deals appear
Route Intelligence — 486,190 Searches this Week
Insights for flights from Detroit to San Antonio
How much is a round trip from Detroit to San Antonio
Regular price: $234 - $420
Prices are currently within the regular range for flights from Detroit to San Antonio.
The regular price range for flights from Detroit to San Antonio is typically between $234 and $420. The current lowest deal is $252 with Frontier Airlines, for travel from Aug 25-Aug 31.
now $252
Low $234
High $420
The cheapest time to fly from Detroit to San Antonio
The cheapest month to fly from Detroit to San Antonio is March, with a median price of $240. The most expensive month is June, with a median price of $856. Prices are generally lower from January to November.
March
Flights from $240
June
Flights from $856
Direct flights from Detroit to San Antonio
Deutsche Luft Hansa
Last-minute flights going from Detroit to San Antonio
Sat, Jun 20
DTW - San Antonio
Detroit (DTW) - San Antonio (SAT)
Frontier Airlines
$471
$411
One-way
Sun, Jun 21
DTW - San Antonio
Detroit (DTW) - San Antonio (SAT)
Frontier Airlines
$466
$434
One-way
Tue, Jun 23
DTW - San Antonio
Detroit (DTW) - San Antonio (SAT)
Frontier Airlines
$427
$409
One-way
Wed, Jul 1
DTW - San Antonio
Detroit (DTW) - San Antonio (SAT)
Frontier Airlines
$334
$311
One-way
Wed, Jul 1
DTW - San Antonio
Detroit (DTW) - San Antonio (SAT)
Frontier Airlines
$361
$326
One-way
Wed, Jul 1
DTW - San Antonio
Detroit (DTW) - San Antonio (SAT)
Frontier Airlines
$327
$331
One-way
Biggest price drops on these dates for flights from Detroit to San Antonio
Oct 16 - Oct 19
$384 → $272
29%
Sep 16 - Sep 19
$355 → $255
28%
Sep 5 - Sep 8
$351 → $257
27%
Sep 4 - Sep 7
$350 → $260
26%
Popular Airports to fly from Detroit to San Antonio
Detroit - San Antonio route insights
💸 Price insights
Recent fares are above the typical level
Recent fares from Detroit to San Antonio are above the typical level for the route.
📅 Best time to fly
March is historically the cheapest month
Historically, March is the cheapest month to fly from Detroit to San Antonio, with a median price of $240.
⏱️ Flight duration
Flights take 11h 38m on average
The typical flight duration from Detroit to San Antonio is 11 hours and 38 minutes.
✈️ Airlines & availability
Connecting flights are dominant
Connecting flights are dominant on this route, with a median of 2 stopovers when connecting.
🏆 Airline highlight
Deutsche Luft Hansa offers direct flights
Deutsche Luft Hansa is one airline that offers direct flights from Detroit to San Antonio.
🎯 Booking tip
Deals are frequent on this route
Deals for flights from Detroit to San Antonio are frequent, with over 1 deal per day.
Detroit main airports to depart from
Detroit Metropolitan (DTW)
Detroit Metropolitan Airport is a convenient departure point for flights from Detroit to San Antonio.
📍 ~30 km from city center (reachable by car)
💸 Flights from ~$252
San Antonio main airports to arrive at
San Antonio International (SAT)
San Antonio International Airport is a great choice for flights from Detroit to San Antonio.
📍 ~15 km from city center (reachable by car)
💸 Flights from ~$252
Airports nearby San Antonio used as alternative
Austin–Bergstrom International (AUS)
Austin–Bergstrom International offers significantly more direct flight options and competitive pricing for travelers to San Antonio.
📍 ~120 km from San Antonio (reachable by car)
💸 Flights from ~$197
Corpus Christi International (CRP)
Corpus Christi International provides additional options for travelers heading toward the Gulf Coast from San Antonio.
📍 ~200 km from San Antonio (reachable by car)
💸 Flights from ~$357
Laredo International (LRD)
Laredo International offers reliable domestic service within the US, a straightforward drive south via I-35.
📍 ~240 km from San Antonio (reachable by car)
💸 Flights from ~$325
Killeen–Fort Hood Regional (GRK)
Killeen–Fort Hood Regional is an alternative for travelers on the north side of San Antonio with a less congested terminal.
📍 ~160 km from San Antonio (reachable by car)
💸 Flights from ~$323
Victoria Regional (VCT)
Victoria Regional is geographically closer than some other regional options, offering limited commercial service.
📍 ~170 km from San Antonio (reachable by car)
💸 Flights from ~$397
Business & First Class Flight Deals to San Antonio
Discover luxury on the budget with premium cabin class on flights from Detroit to San Antonio.
Elite
Best Elite deals to San Antonio
Exclusive daily First Class, Business Class, and Premium Economy flight deals, refreshed every 24 hours.
From DTW
Elite
Aug 29
San Antonio, United States
85% AI deal score
$1,891
$945
Save $946
From DTW
Elite
Oct 31
San Antonio, United States
84% AI deal score
$1,757
$949
Save $808
From DTW
Elite
Nov 11
San Antonio, United States
81% AI deal score
$1,435
$949
Save $486
From DTW
Elite
Oct 27
San Antonio, United States
81% AI deal score
$1,404
$949
Save $455
From DTW
Elite
Oct 31
San Antonio, United States
81% AI deal score
$1,398
$949
Save $449
From DTW
Elite
Nov 19
San Antonio, United States
81% AI deal score
$1,435
$949
Save $486
From DTW
Elite
Oct 20
San Antonio, United States
81% AI deal score
$1,402
$949
Save $453
From DTW
Elite
Oct 24
San Antonio, United States
81% AI deal score
$1,404
$949
Save $455
From DTW
Elite
Nov 10
San Antonio, United States
81% AI deal score
$1,436
$949
Save $487
From DTW
Elite
Aug 13
San Antonio, United States
81% AI deal score
$1,397
$949
Save $448
From DTW
Elite
Nov 18
San Antonio, United States
81% AI deal score
$1,435
$949
Save $486
From DTW
Elite
Nov 01
San Antonio, United States
81% AI deal score
$1,436
$949
Save $487
From DTW
Elite
Oct 28
San Antonio, United States
81% AI deal score
$1,405
$949
Save $456
From DTW
Elite
Aug 17
San Antonio, United States
81% AI deal score
$1,385
$949
Save $436
From DTW
Elite
Aug 14
San Antonio, United States
81% AI deal score
$1,397
$949
Save $448
From DTW
Elite
Nov 25
San Antonio, United States
81% AI deal score
$1,428
$949
Save $479
From DTW
Elite
Aug 07
San Antonio, United States
81% AI deal score
$1,429
$949
Save $480
From DTW
Elite
Aug 06
San Antonio, United States
81% AI deal score
$1,429
$949
Save $480
From DTW
Elite
Dec 09
San Antonio, United States
81% AI deal score
$1,441
$949
Save $492
From DTW
Elite
Oct 06
San Antonio, United States
80% AI deal score
$1,392
$949
Save $443
From DTW
Elite
Aug 31
San Antonio, United States
80% AI deal score
$1,339
$949
Save $390
From DTW
Elite
Oct 02
San Antonio, United States
80% AI deal score
$1,391
$949
Save $442
From DTW
Elite
Aug 29
San Antonio, United States
80% AI deal score
$1,364
$949
Save $415
From DTW
Elite
Sep 23
San Antonio, United States
80% AI deal score
$1,320
$949
Save $371
From DTW
Elite
Aug 18
San Antonio, United States
80% AI deal score
$1,347
$949
Save $398
From DTW
Elite
Oct 07
San Antonio, United States
80% AI deal score
$1,392
$949
Save $443
From DTW
Elite
Sep 22
San Antonio, United States
80% AI deal score
$1,313
$949
Save $364
From DTW
Elite
Aug 23
San Antonio, United States
80% AI deal score
$1,352
$949
Save $403
From DTW
Elite
Oct 10
San Antonio, United States
80% AI deal score
$1,388
$949
Save $439
From DTW
Elite
Sep 24
San Antonio, United States
80% AI deal score
$1,320
$949
Save $371
From DTW
Elite
Sep 29
San Antonio, United States
80% AI deal score
$1,320
$949
Save $371
From DTW
Elite
Jul 22
San Antonio, United States
80% AI deal score
$1,289
$949
Save $340
From DTW
Elite
Aug 21
San Antonio, United States
80% AI deal score
$1,359
$949
Save $410
From DTW
Elite
Aug 22
San Antonio, United States
80% AI deal score
$1,352
$949
Save $403
From DTW
Elite
Jul 16
San Antonio, United States
80% AI deal score
$1,276
$949
Save $327
From DTW
Elite
Sep 17
San Antonio, United States
80% AI deal score
$1,507
$909
Save $598
From DTW
Elite
Sep 21
San Antonio, United States
79% AI deal score
$1,312
$949
Save $363
From DTW
Elite
Sep 08
San Antonio, United States
79% AI deal score
$1,312
$949
Save $363
From DTW
Elite
Sep 01
San Antonio, United States
79% AI deal score
$1,317
$949
Save $368
From DTW
Elite
Sep 16
San Antonio, United States
79% AI deal score
$1,316
$949
Save $367
From DTW
Elite
Jul 31
San Antonio, United States
79% AI deal score
$1,229
$949
Save $280
From DTW
Elite
Jul 24
San Antonio, United States
79% AI deal score
$1,335
$909
Save $426
From DTW
Elite
Jul 17
San Antonio, United States
79% AI deal score
$1,335
$909
Save $426
From DTW
Elite
Jul 13
San Antonio, United States
78% AI deal score
$1,364
$959
Save $405
From DTW
Elite
Oct 06
San Antonio, United States
78% AI deal score
$1,556
$1,009
Save $547
From DTW
Elite
Jul 01
San Antonio, United States
78% AI deal score
$1,408
$1,039
Save $369
From DTW
Elite
Jun 30
San Antonio, United States
78% AI deal score
$1,480
$1,073
Save $407
From DTW
Elite
Jul 03
San Antonio, United States
73% AI deal score
$1,343
$1,079
Save $264
From DTW
Elite
Jul 21
San Antonio, United States
73% AI deal score
$1,335
$1,009
Save $326
From DTW
Elite
Aug 25
San Antonio, United States
73% AI deal score
$1,431
$1,009
Save $422
From DTW
Elite
Jul 03
San Antonio, United States
73% AI deal score
$1,366
$1,039
Save $327
From DTW
Elite
Nov 17
San Antonio, United States
72% AI deal score
$1,435
$1,139
Save $296
From DTW
Elite
Jul 02
San Antonio, United States
72% AI deal score
$1,730
$1,339
Save $391
From DTW
Elite
Aug 16
San Antonio, United States
72% AI deal score
$1,398
$1,009
Save $389
From DTW
Elite
Jul 09
San Antonio, United States
72% AI deal score
$1,302
$1,009
Save $293
From DTW
Elite
Aug 29
San Antonio, United States
67% AI deal score
$2,013
From DTW
Elite
Aug 31
San Antonio, United States
67% AI deal score
$2,025
$2,013
Save $12
From DTW
Elite
Oct 31
San Antonio, United States
67% AI deal score
$2,065
$2,013
Save $52
From DTW
Elite
Sep 29
San Antonio, United States
67% AI deal score
$2,048
From DTW
Elite
Oct 09
San Antonio, United States
67% AI deal score
$2,098
From DTW
Elite
Aug 30
San Antonio, United States
67% AI deal score
$2,174
$2,158
Save $16
From DTW
Elite
Aug 30
San Antonio, United States
67% AI deal score
$2,198
$2,158
Save $40
From DTW
Elite
Sep 10
San Antonio, United States
67% AI deal score
$2,200
$2,188
Save $12
From DTW
Elite
Sep 16
San Antonio, United States
66% AI deal score
$2,013
From DTW
Elite
Dec 02
San Antonio, United States
66% AI deal score
$2,013
From DTW
Elite
Dec 06
San Antonio, United States
66% AI deal score
$2,013
From DTW
Elite
Jul 27
San Antonio, United States
66% AI deal score
$2,048
From DTW
Elite
Jul 22
San Antonio, United States
66% AI deal score
$2,048
From DTW
Elite
Jun 26
San Antonio, United States
66% AI deal score
$1,498
From DTW
Elite
Dec 04
San Antonio, United States
65% AI deal score
$2,013
From DTW
Elite
Aug 17
San Antonio, United States
65% AI deal score
$2,048
From DTW
Elite
Aug 14
San Antonio, United States
65% AI deal score
$2,048
From DTW
Elite
Aug 21
San Antonio, United States
65% AI deal score
$2,048
From DTW
Elite
Sep 22
San Antonio, United States
48% AI deal score
$2,048
From DTW
Elite
Aug 20
San Antonio, United States
48% AI deal score
$2,083
From DTW
Elite
Aug 22
San Antonio, United States
48% AI deal score
$2,083
From DTW
Elite
Aug 23
San Antonio, United States
47% AI deal score
$2,083
From DTW
Elite
Nov 14
San Antonio, United States
46% AI deal score
$2,003
From DTW
Elite
Nov 16
San Antonio, United States
46% AI deal score
$2,013
From DTW
Elite
Sep 16
San Antonio, United States
46% AI deal score
$2,123
From DTW
Elite
Aug 25
San Antonio, United States
46% AI deal score
$2,123
From DTW
Elite
Aug 25
San Antonio, United States
46% AI deal score
$2,123
From DTW
Elite
Sep 10
San Antonio, United States
46% AI deal score
$2,133
From DTW
Elite
Jul 20
San Antonio, United States
46% AI deal score
$2,133
From DTW
Elite
Sep 24
San Antonio, United States
46% AI deal score
$2,183
From DTW
Elite
Aug 25
San Antonio, United States
45% AI deal score
$2,123
From DTW
Elite
Aug 25
San Antonio, United States
45% AI deal score
$2,123
From DTW
Elite
Sep 16
San Antonio, United States
45% AI deal score
$2,123
From DTW
Elite
Aug 12
San Antonio, United States
45% AI deal score
$2,123
From DTW
Elite
Aug 14
San Antonio, United States
45% AI deal score
$2,123
From DTW
Elite
Aug 12
San Antonio, United States
45% AI deal score
$2,123
From DTW
Elite
Aug 12
San Antonio, United States
45% AI deal score
$2,123
From DTW
Elite
Aug 14
San Antonio, United States
45% AI deal score
$2,123
From DTW
Elite
Aug 14
San Antonio, United States
45% AI deal score
$2,123
From DTW
Elite
Aug 30
San Antonio, United States
45% AI deal score
$2,158
From DTW
Elite
Aug 30
San Antonio, United States
45% AI deal score
$2,158
From DTW
Elite
Sep 16
San Antonio, United States
45% AI deal score
$2,158
From DTW
Elite
Aug 15
San Antonio, United States
45% AI deal score
$2,163
From DTW
Elite
Aug 15
San Antonio, United States
45% AI deal score
$2,163
From DTW
Elite
Aug 15
San Antonio, United States
45% AI deal score
$2,163