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$289+ Cheap flights from San Antonio to Duluth (SAT - DLH)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/26. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — DLH
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Cheap flight deals from San Antonio to Duluth

Discover tips and strategies to find the most affordable flight options for your journey from San Antonio (SAT) to Duluth (DLH). 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 October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$258
(Delta)
Provider with most accurate pricing for San Antonio-Duluth Intl flight deals.
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Provider most trusted by Cheapflights users for San Antonio-Duluth Intl flights.
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From San Antonio to Duluth Intl
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Find flight deals from San Antonio to Duluth

Cheapest flights from San Antonio to Duluth
Explore the most affordable flight options available from San Antonio to Duluth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2025.

This Delta deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/126:32 amSAT - DLH
1 stop4h 49mDelta
Sun 11/164:18 pmDLH - SAT
1 stop5h 01mDelta
Deal found 10/27$308
This Delta deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/136:13 pmSAT - DLH
1 stop5h 37mDelta
Mon 11/174:18 pmDLH - SAT
1 stop5h 01mDelta
Deal found 10/29$358
This United Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/137:05 amSAT - DLH
1 stop7h 26mUnited Airlines
Mon 11/173:06 pmDLH - SAT
1 stop8h 10mUnited Airlines
Deal found 10/29$469
This Delta deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/216:00 amSAT - DLH
1 stop5h 15mDelta
Sun 12/284:10 pmDLH - SAT
1 stop5h 43mDelta
Deal found 10/28$807
This Delta deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2311:16 amSAT - DLH
2 stops11h 36mDelta
Mon 12/294:10 pmDLH - SAT
1 stop5h 43mDelta
Deal found 10/28$812
This United Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/215:15 amSAT - DLH
2 stops9h 13mUnited Airlines
Sun 12/283:03 pmDLH - SAT
1 stop21h 11mUnited Airlines
Deal found 10/28$830

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Antonio to Duluth that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 30, 2025.
Use the filters below to find and compare flights from San Antonio to Duluth that are best for you.

Fly from

San Antonio

Fly to

Duluth

Route

Depart

Return

Price

San AntonioDuluth

SAT - DLH

SATDLH

San Antonio

Wed 11/12

6:32 am-11:21 am

1 stop4h 49m

Duluth Intl

Sun 11/16

4:18 pm-9:19 pm

1 stop5h 01m

$308

San AntonioDuluth

SAT - DLH

SATDLH

San Antonio

Thu 11/13

6:13 pm-11:50 pm

1 stop5h 37m

Duluth Intl

Mon 11/17

5:10 am-4:11 pm

2 stops11h 01m

$364

San AntonioDuluth

SAT - DLH

SATDLH

San Antonio

Thu 11/13

7:05 am-2:31 pm

1 stop7h 26m

Duluth Intl

Mon 11/17

3:06 pm-11:16 pm

1 stop8h 10m

$469

San AntonioDuluth

SAT - DLH

SATDLH

San Antonio

Sun 12/21

6:00 am-11:15 am

1 stop5h 15m

Duluth Intl

Sun 12/28

4:10 pm-9:53 pm

1 stop5h 43m

$807

San AntonioDuluth

SAT - DLH

SATDLH

San Antonio

Tue 12/23

11:16 am-10:52 pm

2 stops11h 36m

Duluth Intl

Mon 12/29

4:10 pm-9:53 pm

1 stop5h 43m

$812

San AntonioDuluth

SAT - DLH

SATDLH

San Antonio

Sun 12/21

5:15 am-2:28 pm

2 stops9h 13m

Duluth Intl

Sun 12/28

3:03 pm-12:14 pm

1 stop21h 11m

$830

San AntonioDuluth

SAT - DLH

SATDLH

San Antonio

Tue 12/23

11:16 am-10:52 pm

2 stops11h 36m

Duluth Intl

Tue 12/30

4:10 pm-9:53 pm

1 stop5h 43m

$853

San AntonioDuluth

SAT - DLH

SATDLH

San Antonio

Tue 12/23

7:30 pm-10:55 pm

2 stops27h 25m

Duluth Intl

Tue 12/30

3:03 pm-3:53 pm

2 stops24h 50m

$896

San AntonioDuluth

SAT - DLH

SATDLH

San Antonio

Wed 11/26

2:39 pm-7:30 pm

1 stop4h 51m

$289

San AntonioDuluth

SAT - DLH

SATDLH

San Antonio

Wed 11/26

9:45 am-10:38 am

3 stops48h 53m

$478

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

Compare providers for flights from San Antonio to Duluth

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Antonio to Duluth in October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on San Antonio-Duluth flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on San Antonio-Duluth flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from San Antonio-Duluth flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Antonio-Duluth flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Antonio-Duluth flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from San Antonio to Duluth

Have a flexible travel schedule? Discover the best time to fly to Duluth from San Antonio 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 San Antonio to Duluth

What is the cheapest time of day to fly from SAT to DLH?

Find hourly flight availability from San Antonio to Duluth. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 30, 2025.

It’s typically best to fly out from San Antonio to Duluth in the afternoon. Doing so could potentially save you 45% on the flight price compared to flying in the evening, which is usually more expensive.

Reviews of airlines servicing Duluth

Get insights into the airlines that provide service to Duluth. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Duluth. Reviews last updated October 30, 2025.
Read through reviews of airlines operating flights from San Antonio to Duluth, such as Delta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
7,998 reviews

Food

7.3

Crew

8.5

Comfort

7.9

Overall

7.9

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
4.0
Okay

Anonymous,Aug 2023

BDL - MSP

The seats were wayyyy too small! If you are a larger person buying 2 seats would not work as arm rests do not go up
Delta
7.9
Good
7,998 reviews
Delta
7.9
Good
7,998 reviews

Food

7.3

Crew

8.5

Comfort

7.9

Overall

7.9

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
4.0
Okay

Anonymous,Aug 2023

BDL - MSP

The seats were wayyyy too small! If you are a larger person buying 2 seats would not work as arm rests do not go up

Related info for your journey

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

  • How long is the flight from San Antonio to Duluth?

    Delta and United Airlines can get you from San Antonio to Duluth in just under 4h 49m. Your travel time can differ by up to 2h 37m. San Antonio and Duluth are separated by a distance of 1242 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What is the cheapest airline to fly from San Antonio to Duluth round-trip?

    Delta, at $258, was found to be the cheapest airline from San Antonio to Duluth..

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

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

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

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

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

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

See more FAQs

Traveling to a place near Duluth?

Book flights to Duluth if you plan to visit one of these locations
Two Harbors
Superior

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Top airline flying from San Antonio to Duluth

Discover the top airline that operate flights from San Antonio to Duluth. 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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$258Average$438FlexibilityNo cancel feeOn-timeN/A

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