Cheap flights from Duluth to San Antonio

One-way fares from $489 · DLH → SAT · prices found by travellers in the last 48 hours

Cheapest fare
$489

United Airlines · Thu, Nov 12

Cheapest month
November

from $489

Direct flights
Not recently

Usually 1+ stop

Quickest trip
5h 06m

2,010 km

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Cheapest month to fly from Duluth to San Antonio

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

  1. November 2026 Cheapest $489

Cheapest dates in November 2026

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

United Airlines
Depart15:06 Thu, Nov 12DLH → SAT 5h 06m · 1 stop
$489one way, per person
View deal
See every date in November 2026 →

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About flights from Duluth to San Antonio

Duluth (DLH) and San Antonio (SAT) are about 2,010 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 5h 06m. Over the next few months, one-way fares start from $489, 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 Duluth to San Antonio?

The cheapest one-way fare we've seen recently is $489 with United Airlines, departing Thursday, November 12, 2026.

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

November 2026 currently has the lowest fares, from $489 one way.

Are there direct flights from Duluth to San Antonio?

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

How long is the flight from Duluth to San Antonio?

The quickest journey we've seen takes about 5h 06m. Duluth and San Antonio are around 2,010 km apart.

Which airlines fly from Duluth to San Antonio?

Recent fares on this route were with United Airlines.

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