$313+ 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 7/18. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — DLH
May 17 — May 241
Round-trip
1 adult, Economy
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1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from San Antonio to Duluth
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Best
Last-minute
One-way
Cheapest flights from San Antonio to DuluthExplore 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 April 17, 2026.
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 April 17, 2026.
This Delta deal was found by Cheapflights users on 4/14. 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.
Mon 7/276:05 pm
SAT
- DLH
1 stop4h 45m
Delta
Sat 8/15:05 am
DLH
- SAT
1 stop6h 41m
Delta
Deal found 4/14![Delta logo]()
$338
This Delta deal was found by Cheapflights users on 4/14. 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.
Mon 6/292:30 pm
SAT
- DLH
1 stop4h 54m
Delta
Fri 7/35:05 am
DLH
- SAT
2 stops8h 16m
Delta
Deal found 4/14![Delta logo]()
$344
This Delta deal was found by Cheapflights users on 4/14. 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 6/306:05 am
SAT
- DLH
1 stop5h 03m
Delta
Sat 7/45:05 am
DLH
- SAT
1 stop6h 41m
Delta
Deal found 4/14![Delta logo]()
$363
This Delta deal was found by Cheapflights users on 4/14. 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 4/296:39 am
SAT
- DLH
1 stop5h 28m
Delta
Sun 5/34:29 pm
DLH
- SAT
1 stop5h 01m
Delta
Deal found 4/14![Delta logo]()
$388
This United Airlines deal was found by Cheapflights users on 4/15. 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.
Wed 10/286:40 am
SAT
- DLH
1 stop7h 53m
United Airlines
Sat 10/313:14 pm
DLH
- SAT
1 stop7h 54m
United Airlines
Deal found 4/15![United Airlines logo]()
$428
This Delta deal was found by Cheapflights users on 4/13. 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 6/166:03 pm
SAT
- DLH
1 stop4h 47m
Delta
Sun 6/216:41 pm
DLH
- SAT
1 stop22h 32m
Delta
Deal found 4/13![Delta logo]()
$477
This Delta deal was found by Cheapflights users on 4/13. 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.
Mon 6/156:05 am
SAT
- DLH
1 stop5h 02m
Delta
Sun 6/216:41 pm
DLH
- SAT
1 stop22h 32m
Delta
Deal found 4/13![Delta logo]()
$502
Best flights from San Antonio to DuluthDiscover carefully curated flight deals from San Antonio to Duluth that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 17, 2026.
Discover carefully curated flight deals from San Antonio to Duluth that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 17, 2026.
This Delta deal was found by Cheapflights users on 4/11. 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.
Mon 7/272:26 pm
SAT
- DLH
1 stop5h 00m
Delta
Sat 8/15:05 am
DLH
- SAT
1 stop6h 41m
Delta
Deal found 4/11![Delta logo]()
$338
This United Airlines deal was found by Cheapflights users on 4/14. 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.
Mon 6/294:18 pm
SAT
- DLH
3 stops25h 16m
United Airlines
Fri 7/33:03 pm
DLH
- SAT
1 stop7h 48m
United Airlines
Deal found 4/14![United Airlines logo]()
$681
This Delta deal was found by Cheapflights users on 4/14. 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 4/296:39 am
SAT
- DLH
1 stop5h 28m
Delta
Sun 5/34:29 pm
DLH
- SAT
1 stop5h 01m
Delta
Deal found 4/14![Delta logo]()
$388
This Delta deal was found by Cheapflights users on 4/13. 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 6/166:03 pm
SAT
- DLH
1 stop4h 47m
Delta
Sun 6/216:41 pm
DLH
- SAT
1 stop22h 32m
Delta
Deal found 4/13![Delta logo]()
$477
This United Airlines deal was found by Cheapflights users on 4/14. 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.
Wed 4/295:30 am
SAT
- DLH
2 stops8h 57m
United Airlines
Sun 5/311:14 am
DLH
- SAT
2 stops8h 26m
United Airlines
Deal found 4/14![United Airlines logo]()
$702
This Delta deal was found by Cheapflights users on 4/13. 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.
Mon 6/156:19 pm
SAT
- DLH
2 stops16h 48m
Delta
Sun 6/216:41 pm
DLH
- SAT
1 stop22h 32m
Delta
Deal found 4/13![Delta logo]()
$672
Last-minute flights from San Antonio to DuluthDiscover last-minute flight deals from San Antonio to Duluth. Data last updated April 17, 2026 and is based on user searches.
Discover last-minute flight deals from San Antonio to Duluth. Data last updated April 17, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 4/14. 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.
Sat 4/182:02 pm
SAT
- DLH
1 stop8h 04m
United Airlines
Sun 4/197:25 am
DLH
- SAT
2 stops10h 18m
United Airlines
Deal found 4/14![United Airlines logo]()
$830
This Delta deal was found by Cheapflights users on 4/14. 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 4/296:39 am
SAT
- DLH
1 stop5h 28m
Delta
Sun 5/34:29 pm
DLH
- SAT
1 stop5h 01m
Delta
Deal found 4/14![Delta logo]()
$388
This United Airlines deal was found by Cheapflights users on 4/14. 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.
Wed 4/295:30 am
SAT
- DLH
2 stops8h 57m
United Airlines
Sun 5/311:14 am
DLH
- SAT
2 stops8h 26m
United Airlines
Deal found 4/14![United Airlines logo]()
$702
This Delta deal was found by Cheapflights users on 4/14. 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 5/206:08 am
SAT
- DLH
1 stop5h 56m
Delta
Thu 5/2112:46 pm
DLH
- SAT
1 stop4h 34m
Delta
Deal found 4/14![Delta logo]()
$716
This United Airlines deal was found by Cheapflights users on 4/14. 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.
Wed 5/202:25 pm
SAT
- DLH
2 stops10h 17m
United Airlines
Thu 5/213:03 pm
DLH
- SAT
2 stops7h 39m
United Airlines
Deal found 4/14![United Airlines logo]()
$815
One-way flights from San Antonio to DuluthSearch for one-way flight options from San Antonio to Duluth. Find affordable one-way fares based on user searches. Data last updated April 17, 2026.
Search for one-way flight options from San Antonio to Duluth. Find affordable one-way fares based on user searches. Data last updated April 17, 2026.
This Delta deal was found by Cheapflights users on 4/14. 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.
Sat 7/186:05 am
SAT
- DLH
1 stop5h 00m
Delta
Deal found 4/14![Delta logo]()
$313
This Delta deal was found by Cheapflights users on 4/14. 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.
Fri 7/176:05 pm
SAT
- DLH
1 stop4h 45m
Delta
Deal found 4/14![Delta logo]()
$323
This United Airlines deal was found by Cheapflights users on 4/14. 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.
Sat 7/185:57 pm
SAT
- DLH
3 stops23h 37m
United Airlines
Deal found 4/14![United Airlines logo]()
$549
Find 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 April 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $338 (Delta) |
One-way from | $313 (Delta) |
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 April 17, 2026.
Use the filters below to find and compare flights from San Antonio to Duluth that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
San AntonioDuluth
SAT - DLH
SATDLH
San Antonio
Mon 7/27
2:26 pm-7:26 pm
1 stop5h 00m
Duluth Intl
Sat 8/1
5:05 am-11:46 am
1 stop6h 41m
$338
Quickest round-trip
San AntonioDuluth
SAT - DLH
SATDLH
San Antonio
Wed 4/29
6:39 am-12:07 pm
1 stop5h 28m
Duluth Intl
Sun 5/3
4:29 pm-9:30 pm
1 stop5h 01m
$388
San AntonioDuluth
SAT - DLH
SATDLH
San Antonio
Tue 6/16
6:03 pm-10:50 pm
1 stop4h 47m
Duluth Intl
Sun 6/21
6:41 pm-5:13 pm
1 stop22h 32m
$477
San AntonioDuluth
SAT - DLH
SATDLH
San Antonio
Mon 6/15
6:19 pm-11:07 am
2 stops16h 48m
Duluth Intl
Sun 6/21
6:41 pm-5:13 pm
1 stop22h 32m
$672
San AntonioDuluth
SAT - DLH
SATDLH
San Antonio
Mon 6/29
4:18 pm-5:34 pm
3 stops25h 16m
Duluth Intl
Fri 7/3
3:03 pm-10:51 pm
1 stop7h 48m
$681
San AntonioDuluth
SAT - DLH
SATDLH
San Antonio
Wed 4/29
5:30 am-2:27 pm
2 stops8h 57m
Duluth Intl
Sun 5/3
11:14 am-7:40 pm
2 stops8h 26m
$702
Cheapest one-way
San AntonioDuluth
SAT - DLH
SATDLH
San Antonio
Sat 7/18
6:05 am-11:05 am
1 stop5h 00m
$313
Quickest one-way
San AntonioDuluth
SAT - DLH
SATDLH
San Antonio
Fri 7/17
6:05 pm-10:50 pm
1 stop4h 45m
$323
San AntonioDuluth
SAT - DLH
SATDLH
San Antonio
Sat 7/18
5:57 pm-5:34 pm
3 stops23h 37m
$549
Sorted by cheapest first
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 April.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on San Antonio-Duluth flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Antonio-Duluth flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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.
SAT-DLH
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.
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 April 17, 2026.
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.
Overall
7.9
Boarding
8.1
Food
7.2
Comfort
7.9
Crew
8.5
Entertainment
7.8
Reviews
1 / 20
4.0
OkayAnonymous,Aug 2023
BDL - MSP
Overall
7.9
Boarding
8.1
Food
7.2
Comfort
7.9
Crew
8.5
Entertainment
7.8
Reviews
1 / 20
4.0
OkayAnonymous,Aug 2023
BDL - MSP
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.
Traveling to a place near Duluth?
Book flights to Duluth if you plan to visit one of these locationsTwo Harbors
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Other flights to Duluth
Explore flights to Duluth departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on April 17, 2026.
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San Antonio and Duluth flights
Browse other San Antonio and Duluth flight options. Last updated on April 17, 2026.
Other flights from San Antonio
Browse through other flights departing from San Antonio. Flights are based on user searches made on Cheapflights and were last updated on April 17, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 April 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$258 | Average$438 | FlexibilityNo cancel fee | On-timeN/A |