Cheap flights from San Antonio to Carlsbad

One-way fares from $439 · SAT → CNM · prices found by travellers in the last 48 hours

Cheapest fare
$439

American Airlines · Fri, Nov 13

Cheapest month
November

from $439

Direct flights
Not recently

Usually 1+ stop

Quickest trip
4h 55m

640 km

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Cheapest month to fly from San Antonio to Carlsbad

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

  1. November 2026 Cheapest $439

Cheapest dates in November 2026

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

American Airlines
Depart06:00 Fri, Nov 13SAT → CNM 4h 55m · 2 stops
$439one way, per person
View deal
See every date in November 2026 →

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About flights from San Antonio to Carlsbad

San Antonio (SAT) and Carlsbad (CNM) are about 640 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 4h 55m. Over the next few months, one-way fares start from $439, 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 Carlsbad?

The cheapest one-way fare we've seen recently is $439 with American Airlines, departing Friday, November 13, 2026.

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

November 2026 currently has the lowest fares, from $439 one way.

Are there direct flights from San Antonio to Carlsbad?

We haven't seen direct fares recently, so most journeys include at least one stop.

How long is the flight from San Antonio to Carlsbad?

The quickest journey we've seen takes about 4h 55m. San Antonio and Carlsbad are around 640 km apart.

Which airlines fly from San Antonio to Carlsbad?

Recent fares on this route were with American Airlines.

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