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Cheap flights from Detroit to San Antonio

Detroit
DTT
San Antonio
SAT

Flight deals from Detroit to San Antonio

Below you can see the best deals on flights Detroit — San Antonio for upcoming dates. Direct and connecting flights from various airlines — compare prices and choose the right ticket.

The lowest price for the next 2 months is on 19 August, from $148.

Top 10 cheap flights from Detroit to San Antonio

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F9
$ 148

Detroit — Denver

12:20—13:36
19 Aug 2026
3 h 16 m
Direct flight
F9
$ 154

Detroit — Denver

07:55—09:09
19 Aug 2026
3 h 14 m
Direct flight
F9
$ 162

Detroit — Las Vegas

08:30—09:57
19 Aug 2026
4 h 27 m
Direct flight
F9
$ 185

Detroit — Atlanta

18:40—20:57
19 Aug 2026
2 h 17 m
Direct flight
F9
$ 185

Detroit — Atlanta

20:46—23:01
23 Aug 2026
2 h 15 m
Direct flight
F9
$ 185

Detroit — Atlanta

06:00—08:20
24 Aug 2026
2 h 20 m
Direct flight
F9
$ 185

Detroit — Atlanta

06:00—08:20
20 Aug 2026
2 h 20 m
Direct flight
F9
$ 186

Detroit — Denver

12:20—13:36
20 Aug 2026
3 h 16 m
Direct flight
F9
$ 191

Detroit — Atlanta

06:00—08:20
19 Aug 2026
2 h 20 m
Direct flight
F9
$ 191

Detroit — Atlanta

20:46—23:01
23 Aug 2026
2 h 15 m
Direct flight
View all

Prices were found in the last 72 hours and may change — check the exact price when you continue.

About the Detroit — San Antonio flight

On this page, you can find and buy flight tickets for the route from Detroit to San Antonio. The distance between the cities is 1,993 km, and there are approximately 13 flights weekly, allowing you to choose a convenient departure time.

The main carriers on this route are Delta Air Lines and Spirit Airlines. Since ticket prices are dynamic, we recommend using the low-price calendar and researching in advance how to get to the airport of departure and transportation options upon arrival in San Antonio.

Flight ticket prices by day: Detroit — San Antonio

Below is a calendar of the lowest flight ticket prices for Detroit — San Antonio by day. Pick a convenient date and instantly see the fare. The cheapest flights on this route start from $148 in ,, and the most expensive are around $261 in F. If your travel dates are flexible, the calendar will help you find the best price for your preferred period. To view round-trip fares, switch to the "Round trip" tab above the calendar, select your departure date — and the right-hand calendar will highlight the lowest prices for return flights on each day.

 
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Prices by month

Detroit → San Antonio, average one-way price

MonthAverage priceLevelMonthAverage priceLevelMonthAverage priceLevel
Jan$171lowMay$176mediumSep$166low
Feb$202highJun$186mediumOct$181medium
Mar$212highJul$191highNov$186medium
Apr$161lowAug$156lowDec$207high

Some values are estimated based on seasonality.

When to fly

The climate in San Antonio is characterized by hot summers: August is the warmest month, with an average high of 36.2°C. The most comfortable and dry conditions are seen in January and February, when air temperatures range between 17.8–19.4°C.

For a budget-friendly trip, July is the best time to visit, with the minimum flight cost starting $143. Prices peak in September, when fares start $261.

July is the optimal choice in terms of price and weather: it is the cheapest month to fly, despite the summer heat. It is recommended to avoid booking for September due to a significant increase in ticket costs.

Temperature · San Antonio

Dry and wet days · San Antonio

Wind speed and direction · San Antonio

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How to get the best deal on a Detroit — San Antonio ticket

  • Try to book Spirit Airlines tickets at least 3–4 weeks in advance to take advantage of the lowest fares, starting $143.
  • Use the low-price calendar on this page: departures on Tuesdays and Wednesdays are usually cheaper than weekend flights.
  • When choosing Delta Air Lines, keep in mind that basic fares often include enhanced service, while low-cost carriers require separate payments for baggage and seat selection.
  • Monitor the price dynamic chart: flight costs in September can be nearly double those in July, so flexibility with your dates will help you save.

Airlines

Two airlines provide flights on the route from Detroit to San Antonio, with Delta Air Lines and Spirit Airlines being the key carriers. On average, there are about 13 flights per week, including direct services and options with convenient connections. To view the detailed flight schedule and baggage regulations, please select a specific card from the list below.

  • DeltaDL
    11x/week
    WebsiteFleet: 986190M pax/year
    • Direct flight DTW → SAT11x/week
      Duration
      3h 10m
      Days
      MTWTFSS
    85.0%Open →
  • Spirit AirlinesNK
    2x/week
    WebsiteFleet: 20544.1M pax/year
    • Direct flight DTW → SAT2x/week
    15.0%Open →

Cities and airports on the Detroit — San Antonio route

Flights Detroit — San Antonio depart from Detroit Metropolitan Wayne County Airport and arrive at San Antonio International Airport. Below are pages for the cities, countries, and airports on the route: airlines, schedules, and travel guides.

Departure

Detroit

DTT
United States
About the cityHow to get thereWeatherAll about the country United States
Arrival

San Antonio

SAT
United States
About the cityHow to get thereWeatherAll about the country United States
Departure airports
Arrival airports

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Frequently asked questions about the Detroit — San Antonio flight

How long is the flight from Detroit to San Antonio?

The distance between the cities is approximately 1,993 km. A direct flight takes about 2 hours 30 minutes, while travel time with connections depends on the chosen route.

Which airlines fly on this route?

Regular flight services are provided by Delta Air Lines and the low-cost carrier Spirit Airlines.

Are there direct flights on this route?

Yes, direct flights are operated on this route, with a frequency of about 13 departures per week.

How much is the cheapest ticket?

Flight prices change constantly depending on demand. The current minimum for the coming months starts from 11,184 ₽.

When is the best time to buy a ticket?

It is recommended to purchase in advance, ideally 1–2 months before departure, using the price dynamic chart to find the most profitable day.

Which airport does the flight arrive at?

All flights from Detroit arrive at San Antonio International Airport (SAT).

Where else you can fly from Detroit

See all
New York CityChicagoTorontoAtlantaWashington, D.C.LansingDallasLos AngelesMinneapolisOrlandoHoustonSeattleBostonCharlotteLas VegasDenverPhoenixMontrealFort LauderdalePhiladelphiaClevelandNashvilleIndianapolisPittsburghSalt Lake CityBuffaloCincinnatiFort MyersColumbusSan FranciscoMemphisRaleighTampaGrand RapidsAlbanyProvidenceLouisvilleKnoxvilleMilwaukeeTraverse City

Where else you can fly from San Antonio

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DallasLos AngelesHoustonChicagoAtlantaLas VegasDenverPhoenixMinneapolisMexico CitySalt Lake CityCharlotteSeattleMonterreyNew York CityOrlandoGuadalajaraPhiladelphiaMiamiWashington, D.C.Fort LauderdaleCancunSan JuanBostonTorontoQuerétaroSan FranciscoLeonTampaSan Luis Potosí

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