Frontier AirlinesDepart22:29
Wed, Nov 18SAT → DTW
6h 52m · 1 stop
$147one way, per person
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- Cheapest fare
- $147
- Cheapest month
- November
- Direct flights
- Not recently
- Quickest trip
- 6h 52m
Frontier Airlines · Wed, Nov 18
from $147
Usually 1+ stop
1,990 km
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Cheapest month to fly from San Antonio to Detroit
Lowest one-way fare per person in each month. Choose a month to see every date.
Cheapest dates in November 2026
The lowest fares we've seen for each day, cheapest first.
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About flights from San Antonio to Detroit
San Antonio (SAT) and Detroit (DTT) are about 1,990 km apart. We haven't seen direct fares on this route recently, so expect at least one stop; the quickest journey we've seen takes about 6h 52m. Over the next few months, one-way fares start from $147, and November 2026 is currently the cheapest month to fly.
These prices come from searches travellers made in the last 48 hours, so they move quickly. If you see a good fare, it's worth booking soon. FlightsExp is free to use: you book directly with our travel partner.
Frequently asked questions
How much is a flight from San Antonio to Detroit?
The cheapest one-way fare we've seen recently is $147 with Frontier Airlines, departing Wednesday, November 18, 2026.
What is the cheapest month to fly from San Antonio to Detroit?
November 2026 currently has the lowest fares, from $147 one way.
Are there direct flights from San Antonio to Detroit?
We haven't seen direct fares recently, so most journeys include at least one stop.
How long is the flight from San Antonio to Detroit?
The quickest journey we've seen takes about 6h 52m. San Antonio and Detroit are around 1,990 km apart.
Which airlines fly from San Antonio to Detroit?
Recent fares on this route were with Frontier Airlines.
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