Cheap flights from San Antonio to Houston

One-way fares from $200 · SAT → HOU · prices found by travellers in the last 48 hours

Cheapest fare
$200

Frontier Airlines · Tue, Nov 17

Cheapest month
November

from $200

Direct flights
Yes

United Airlines

Flight time
1h 01m

300 km

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Cheapest month to fly from San Antonio to Houston

Lowest one-way fare per person in each month. Choose a month to see every date.

  1. November 2026 Cheapest $200

Cheapest dates in November 2026

The lowest fares we've seen for each day, cheapest first.

Frontier Airlines
Depart22:29 Tue, Nov 17SAT → IAH 9h 18m · 2 stops
$200one way, per person
View deal
United Airlines
Depart19:15 Sun, Nov 8SAT → IAH 1h 10m · Direct
$215one way, per person
View deal
United Airlines
Depart05:30 Mon, Nov 9SAT → IAH 1h 01m · Direct
$231one way, per person
View deal
United Airlines
Depart19:15 Thu, Nov 5SAT → IAH 1h 10m · Direct
$232one way, per person
View deal
United Airlines
Depart11:45 Sat, Nov 14SAT → IAH 1h 07m · Direct
$235one way, per person
View deal
Frontier Airlines
Depart20:20 Mon, Nov 16SAT → IAH 8h 00m · 2 stops
$244one way, per person
View deal
United Airlines
Depart19:15 Sun, Nov 15SAT → IAH 1h 10m · Direct
$245one way, per person
View deal
See every date in November 2026 →

Plan the rest of your trip to Houston

Where to stay, what to do and getting around, from our travel partners.

About flights from San Antonio to Houston

San Antonio (SAT) and Houston (HOU) are about 300 km apart. Direct flights take around 1h 01m, and recent direct fares were with United Airlines. Over the next few months, one-way fares start from $200, 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 Houston?

The cheapest one-way fare we've seen recently is $200 with Frontier Airlines, departing Tuesday, November 17, 2026.

What is the cheapest month to fly from San Antonio to Houston?

November 2026 currently has the lowest fares, from $200 one way.

Are there direct flights from San Antonio to Houston?

Yes. Recent direct fares were with United Airlines.

How long is the flight from San Antonio to Houston?

A direct flight takes about 1h 01m. San Antonio and Houston are around 300 km apart.

Which airlines fly from San Antonio to Houston?

Recent fares on this route were with Frontier Airlines and United Airlines.

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