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Cheap Flights from Detroit to San Antonio

Popular airlines from Detroit to San Antonio

You can choose from 1 airlines that fly from Detroit to San Antonio, including Delta Air Lines, Delta Air Lines offers the lowest prices on this route.
Delta Air Lines logo Delta Air Lines
Airlines are determined based on actual purchased flight tickets from Detroit to San Antonio according to previous 12 months data from Trip.com.

Explore the cheapest flights from Detroit to San Antonio in the next three months. Based on Trip.com's data from the latest 7 days, one-way direct flights start at S$ 346, and round-trip direct tickets start at S$ 485.

      • Cheapest nonstop
        DTW 20:12
        3h 15m
        Direct
        SAT 22:27
        Detroit - San Antonio | Wed, Jun 17 | Delta Air Lines
        SAT 11:30
        3h 11m
        Direct
        DTW 15:41
        San Antonio - Detroit | Sun, Jun 21 | Delta Air Lines
        S$ 485 S$ 729
        33% off
        33% off
        S$ 729 S$ 485
      • DTW 20:10
        3h 11m
        Direct
        SAT 22:21
        Detroit - San Antonio | Sun, Jul 5 | Delta Air Lines
        SAT 05:15
        3h 7m
        Direct
        DTW 09:22
        San Antonio - Detroit | Sat, Jul 11 | Delta Air Lines
        S$ 496 S$ 729
        32% off
        32% off
        S$ 729 S$ 496
      • DTW 08:25
        3h 10m
        Direct
        SAT 10:35
        Detroit - San Antonio | Mon, Jul 6 | Delta Air Lines
        SAT 05:15
        3h 7m
        Direct
        DTW 09:22
        San Antonio - Detroit | Fri, Jul 10 | Delta Air Lines
        S$ 498 S$ 729
        32% off
        32% off
        S$ 729 S$ 498
      • DTW 12:30
        28h 7m
        1 stop
        SAT 15:37
        Detroit - San Antonio | Tue, Jun 23 | Frontier Airlines
        SAT 19:51
        15h 55m
        1 stop
        DTW 12:46
        San Antonio - Detroit | Sat, Jun 27 | Frontier Airlines
        S$ 443
        39% off
        S$ 729 S$ 443
      • DTW 13:31
        6h 25m
        1 stop
        SAT 18:56
        Detroit - San Antonio | Sun, Jun 28 | Frontier Airlines
        SAT 16:22
        16h 52m
        1 stop
        DTW 10:14
        San Antonio - Detroit | Wed, Jul 1 | Frontier Airlines
        S$ 452
        38% off
        S$ 729 S$ 452
      • DTW 13:20
        6h 39m
        1 stop
        SAT 18:59
        Detroit - San Antonio | Wed, Jun 17 | Frontier Airlines
        SAT 07:02
        10h 56m
        1 stop
        DTW 18:58
        San Antonio - Detroit | Sun, Jun 21 | American Airlines
        S$ 459
        37% off
        S$ 729 S$ 459
      • DTW 13:31
        6h 25m
        1 stop
        SAT 18:56
        Detroit - San Antonio | Sun, Jul 5 | Frontier Airlines
        SAT 19:51
        27h 8m
        1 stop
        DTW 23:59
        San Antonio - Detroit | Sat, Jul 11 | Frontier Airlines
        S$ 512
        30% off
        S$ 729 S$ 512
      • DTW 06:00
        7h 12m
        1 stop
        SAT 12:12
        Detroit - San Antonio | Sun, Jul 5 | United Airlines
        SAT 06:40
        5h 47m
        1 stop
        DTW 13:27
        San Antonio - Detroit | Sat, Jul 11 | United Airlines
        S$ 515
        28% off
        S$ 729 S$ 515
      • DTW 18:40
        5h 2m
        1 stop
        SAT 22:42
        Detroit - San Antonio | Mon, Jul 6 | United Airlines
        SAT 16:01
        5h 23m
        1 stop
        DTW 22:24
        San Antonio - Detroit | Fri, Jul 10 | United Airlines
        S$ 517
        28% off
        S$ 729 S$ 517
      • DTT 13:00
        17h 25m
        1 stop
        SAT 14:00
        Detroit - San Antonio | Mon, Jun 15 | Normal Airline
        SAT 15:00
        6h
        Direct
        DTT 16:00
        San Antonio - Detroit | Wed, Jun 17 | Normal Airline
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      • Cheapest nonstop
        DTW 20:10
        3h 11m
        Direct
        SAT 22:21
        Detroit - San Antonio | Mon, Jul 6 | Delta Air Lines
        S$ 346 S$ 493
        30% off
        30% off
        S$ 493 S$ 346
      • DTW 20:10
        3h 11m
        Direct
        SAT 22:21
        Detroit - San Antonio | Sat, Jul 4 | Delta Air Lines
        S$ 350 S$ 493
        28% off
        28% off
        S$ 493 S$ 350
      • DTW 13:19
        6h 25m
        1 stop
        SAT 18:44
        Detroit - San Antonio | Sun, Jul 12 | Frontier Airlines
        S$ 168 S$ 493
        66% off
        66% off
        S$ 493 S$ 168
      • DTW 13:31
        6h 25m
        1 stop
        SAT 18:56
        Detroit - San Antonio | Sun, Jul 5 | Frontier Airlines
        S$ 171
        65% off
        S$ 493 S$ 171
      • DTW 13:31
        6h 25m
        1 stop
        SAT 18:56
        Detroit - San Antonio | Sat, Jul 4 | Frontier Airlines
        S$ 171
        65% off
        S$ 493 S$ 171
      • DTW 19:51
        14h 5m
        1 stop
        SAT 08:56
        Detroit - San Antonio | Mon, Jul 6 | Frontier Airlines
        S$ 182
        63% off
        S$ 493 S$ 182
      • DTW 07:40
        12h 4m
        1 stop
        SAT 18:44
        Detroit - San Antonio | Sat, Jul 11 | Frontier Airlines
        S$ 207
        57% off
        S$ 493 S$ 207
      • DTW 08:30
        13h 7m
        1 stop
        SAT 20:37
        Detroit - San Antonio | Sun, Jul 26 | Frontier Airlines
        S$ 220
        55% off
        S$ 493 S$ 220
      • DTW 08:00
        11h 56m
        1 stop
        SAT 18:56
        Detroit - San Antonio | Wed, Jun 24 | Frontier Airlines
        S$ 239
        52% off
        S$ 493 S$ 239
      • DTW 13:31
        6h 25m
        1 stop
        SAT 18:56
        Detroit - San Antonio | Wed, Jun 17 | Frontier Airlines
        S$ 246
        50% off
        S$ 493 S$ 246
      • DTW 13:31
        6h 25m
        1 stop
        SAT 18:56
        Detroit - San Antonio | Sun, Jun 14 | Frontier Airlines
        S$ 258
        48% off
        S$ 493 S$ 258
      • DTT 13:00
        17h 25m
        1 stop
        SAT 14:00
        Detroit - San Antonio | Mon, Jun 15 | Normal Airline
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Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Flying from Detroit to San Antonio

The distance between Detroit and San Antonio is approximately 1,981.84km. It takes around 3 hours 18 minutes on average to fly from Detroit to San Antonio. Based on Trip.com's data, travel demand peaks in January. The off-season for travel is September.

Cheapest one-way flight priceS$ 168
Cheapest return ticket priceS$ 443
Off-season for travelSeptember
Peak season for travelJanuary
Flight distance1,981.84km
Average flight time3 hours 18 minutes
Popular airlineDelta Air Lines
Flight statistics for the Detroit–San Antonio route are based on aggregated booking data from Trip.com over the past 12 months.

Frequently Asked Questions

  • Which airlines offer the cheapest flights from Detroit (DTT) to San Antonio (SAT)?

    Based on Trip.com data, Frontier Airlines offers one-way fares as low as S$ 168 on Cheapest nonstop routes (e.g. DTW to SAT on Sun, Jul 12), while Frontier Airlines offers Cheapest nonstop round-trips from S$ 443 departing on Tue, Jun 23 and returning on Sat, Jun 27.
  • It takes about 3 hours 18 minutes to fly from Detroit (DTT) to San Antonio (SAT).
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Detroit to San Antonio is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • To find best deals on flights from Detroit to San Antonio, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Sun, Jul 12, with one-way flights priced at just S$ 168.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Delta Air Lines.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for San Antonio travel is around January.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Detroit to San Antonio is September, when demand for travel is lower.
  • After crunching the numbers on our June flight calendar, it's currently cheapest to fly from Detroit to San Antonio on June 13, 2026 with Frontier Airlines, with prices starting at S$ 326.
  • The time difference between San Antonio and Detroit is 1h.
  • Tickets can only be changed or cancelled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.

Find Cheap Flights & Deals on Trip.com

Note: Prices shown on this page are the lowest estimated prices found in the last 24 hours and include all taxes and fees.

Book with no extra fees

Prices displayed on this page are all-inclusive (incl. taxes, fuel surcharges, Civil Aviation Development Fund, etc.), and all fees are shown before payment. Charges for checked baggage, meals, Wi-Fi, and other optional services may also appear in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page have been updated within the last 24 hours, and with many routes refreshed in real time. The more popular the route, the more accurate the data.

Change & Cancellation Policy

Trip.com shows the change and cancellation rules for each ticket during the booking process, including all related fees and conditions. Please refer to the following scenarios:
Voluntary cancellation/change:
To request a change or cancellation, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and flight segment, and submit your request. Please note that additional charges may apply based on the airline’s fare rules.
Cancellation/change due to a flight schedule change:
If your flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For full details of change and cancellation policies, please refer to the customer support pages.