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Cheap flights from Duluth to San Antonio (DLH - SAT)

DLH — SAT
Jul 6 — Jul 131
Sun 7/6
Sun 7/13
1 adult, Economy
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Cheap flight deals from Duluth to San Antonio

Discover tips and strategies to find the most affordable flight options for your journey from Duluth (DLH) to San Antonio (SAT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 1, 2025.

Popular in

June

Cheapest in

April

Average price

$264
Highest demand for flights based on searches. 15% potential increase in price ($71 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($19 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Best time to book a flight from Duluth to San Antonio

Have a flexible travel schedule? Discover the best time to fly to San Antonio from Duluth with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Duluth to San Antonio

What is the cheapest month to book a flight from Duluth to San Antonio?

Currently, August is the cheapest month in which you can book a flight from Duluth to San Antonio (average of $295). Flying from Duluth to San Antonio in March is currently the most expensive (average of $376). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Duluth to San Antonio. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • Can I find deals for flights from Duluth to San Antonio that include hotel bookings?

    Yes. In addition to deals on Duluth to San Antonio flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Duluth to San Antonio?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Duluth to San Antonio.

  • Can I find deals for business class flights from Duluth to San Antonio?

    Yes. Cheapflights offers flight deals from Duluth to San Antonio by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Duluth to San Antonio?

    Currently, August is the cheapest month in which you can book a flight from Duluth to San Antonio (average of $295). Flying from Duluth to San Antonio in March is currently the most expensive (average of $376). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Duluth?

Book flights to Duluth if you plan to visit one of these locations
New Braunfels

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Top 2 airlines flying from Duluth to San Antonio

Discover the top 2 airlines that operate flights from Duluth to San Antonio. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$258Average$388FlexibilityNo cancel feeOn-time69%
DeltaCheapest$258Average$343FlexibilityNo cancel feeOn-timeN/A

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