$348+ Cheap flights from San Francisco to Duluth (SFO - DLH)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/3. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — DLH
Sep 26 — Oct 31
Round-trip
1 adult, Economy
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Find cheap flights from San Francisco to Duluth with Cheapflights
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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
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 Francisco to Duluth
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Best
Last-minute
One-way
Cheapest flights from San Francisco to DuluthExplore the most affordable flight options available from San Francisco to Duluth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 27, 2026.
Explore the most affordable flight options available from San Francisco to Duluth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 27, 2026.
This Delta deal was found by Cheapflights users on 8/26. 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 10/312:02 pm -
1 stop8h 33m
Tue 10/65:14 am -
1 stop9h 06m
Deal found 8/26![Delta logo]()
$348
This United Airlines deal was found by Cheapflights users on 8/23. 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.
Tue 9/810:35 pm -
1 stop10h 05m
Sat 9/126:32 pm -
1 stop7h 58m
Deal found 8/23![United Airlines logo]()
$418
This United Airlines deal was found by Cheapflights users on 8/24. 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 10/2511:30 pm -
1 stop9h 11m
Sat 10/316:17 pm -
1 stop8h 36m
Deal found 8/24![United Airlines logo]()
$428
This United Airlines deal was found by Cheapflights users on 8/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1811:30 pm -
1 stop9h 12m
Sat 9/263:10 pm -
1 stop8h 05m
Deal found 8/27![United Airlines logo]()
$449
This Delta deal was found by Cheapflights users on 8/24. 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 10/176:05 am -
1 stop7h 36m
Wed 10/214:21 pm -
2 stops9h 35m
Deal found 8/24![Delta logo]()
$467
This Delta deal was found by Cheapflights users on 8/27. 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 9/306:35 am -
1 stop6h 54m
Sun 10/45:15 am -
1 stop7h 37m
Deal found 8/27![Delta logo]()
$488
This United Airlines deal was found by Cheapflights users on 8/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/111:54 pm -
1 stop7h 26m
Tue 9/156:24 pm -
1 stop8h 06m
Deal found 8/27![United Airlines logo]()
$518
This United Airlines deal was found by Cheapflights users on 8/26. 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 10/31:50 pm -
1 stop7h 32m
Tue 10/63:10 pm -
2 stops20h 20m
Deal found 8/26![United Airlines logo]()
$522
This United Airlines deal was found by Cheapflights users on 8/25. 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 8/271:54 pm -
1 stop7h 28m
Tue 9/16:23 pm -
1 stop8h 07m
Deal found 8/25![United Airlines logo]()
$543
This United Airlines deal was found by Cheapflights users on 8/24. 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 9/3011:30 pm -
1 stop9h 12m
Sun 10/47:45 am -
1 stop27h 00m
Deal found 8/24![United Airlines logo]()
$546
Best flights from San Francisco to DuluthDiscover carefully curated flight deals from San Francisco to Duluth that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 27, 2026.
Discover carefully curated flight deals from San Francisco to Duluth that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 27, 2026.
This Delta deal was found by Cheapflights users on 8/26. 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 10/312:02 pm -
1 stop8h 33m
Tue 10/65:14 am -
1 stop9h 06m
Deal found 8/26![Delta logo]()
$348
This United Airlines deal was found by Cheapflights users on 8/23. 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.
Tue 9/810:35 pm -
1 stop10h 05m
Sat 9/126:32 pm -
1 stop7h 58m
Deal found 8/23![United Airlines logo]()
$418
This United Airlines deal was found by Cheapflights users on 8/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1811:30 pm -
1 stop9h 12m
Sat 9/263:10 pm -
1 stop8h 05m
Deal found 8/27![United Airlines logo]()
$449
This Delta deal was found by Cheapflights users on 8/27. 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 9/306:35 am -
1 stop6h 54m
Sun 10/45:15 am -
1 stop7h 37m
Deal found 8/27![Delta logo]()
$488
This United Airlines deal was found by Cheapflights users on 8/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/111:54 pm -
1 stop7h 26m
Tue 9/156:24 pm -
1 stop8h 06m
Deal found 8/27![United Airlines logo]()
$518
This United Airlines deal was found by Cheapflights users on 8/22. 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.
Fri 1/2912:55 am -
1 stop7h 47m
Wed 2/33:14 pm -
2 stops20h 05m
Deal found 8/22![United Airlines logo]()
$522
This United Airlines deal was found by Cheapflights users on 8/26. 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 10/31:50 pm -
1 stop7h 32m
Tue 10/63:10 pm -
2 stops20h 20m
Deal found 8/26![United Airlines logo]()
$522
This United Airlines deal was found by Cheapflights users on 8/24. 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 9/3011:30 pm -
1 stop9h 12m
Sun 10/47:45 am -
1 stop27h 00m
Deal found 8/24![United Airlines logo]()
$546
Last-minute flights from San Francisco to DuluthDiscover last-minute flight deals from San Francisco to Duluth. Data last updated August 27, 2026 and is based on user searches.
Discover last-minute flight deals from San Francisco to Duluth. Data last updated August 27, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 8/25. 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 8/271:54 pm -
1 stop7h 28m
Tue 9/16:23 pm -
1 stop8h 07m
Deal found 8/25![United Airlines logo]()
$543
This Delta deal was found by Cheapflights users on 8/22. 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 9/612:25 pm -
1 stop8h 16m
Thu 9/105:15 am -
1 stop7h 37m
Deal found 8/22![Delta logo]()
$643
This United Airlines deal was found by Cheapflights users on 8/23. 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.
Tue 9/810:35 pm -
1 stop10h 05m
Sat 9/126:32 pm -
1 stop7h 58m
Deal found 8/23![United Airlines logo]()
$418
This United Airlines deal was found by Cheapflights users on 8/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/111:54 pm -
1 stop7h 26m
Tue 9/156:24 pm -
1 stop8h 06m
Deal found 8/27![United Airlines logo]()
$518
This United Airlines deal was found by Cheapflights users on 8/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1811:30 pm -
1 stop9h 12m
Sat 9/263:10 pm -
1 stop8h 05m
Deal found 8/27![United Airlines logo]()
$449
This Delta deal was found by Cheapflights users on 8/27. 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 9/306:35 am -
1 stop6h 54m
Sun 10/45:15 am -
1 stop7h 37m
Deal found 8/27![Delta logo]()
$488
This United Airlines deal was found by Cheapflights users on 8/24. 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 9/3011:30 pm -
1 stop9h 12m
Sun 10/47:45 am -
1 stop27h 00m
Deal found 8/24![United Airlines logo]()
$546
One-way flights from San Francisco to DuluthSearch for one-way flight options from San Francisco to Duluth. Find affordable one-way fares based on user searches. Data last updated August 27, 2026.
Search for one-way flight options from San Francisco to Duluth. Find affordable one-way fares based on user searches. Data last updated August 27, 2026.
This United Airlines deal was found by Cheapflights users on 8/24. 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 9/126:00 am -
1 stop9h 51m
Deal found 8/24![United Airlines logo]()
$453
This United Airlines deal was found by Cheapflights users on 8/26. 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 9/177:00 am -
2 stops14h 20m
Deal found 8/26![United Airlines logo]()
$516
Find flight deals from San Francisco to Duluth
Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) 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 August 27, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $348 (Delta) |
Popular in | September |
Cheapest in | October |
Average price | $525 |
Cheapflights Fare Finder
Customize your flight search to find flights from San Francisco 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 7,457,451 searches. Data last updated August 27, 2026.
Use the filters below to find and compare flights from San Francisco to Duluth that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
San FranciscoDuluth
SFO San Francisco - DLH Duluth Intl
SFODLH
San Francisco
Sat 10/3
12:02 pm-10:35 pm
1 stop8h 33m
Duluth Intl
Tue 10/6
5:14 am-12:20 pm
1 stop9h 06m
$348
San FranciscoDuluth
SFO San Francisco - DLH Duluth Intl
SFODLH
San Francisco
Tue 9/8
10:35 pm-10:40 am
1 stop10h 05m
Duluth Intl
Sat 9/12
6:32 pm-12:30 am
1 stop7h 58m
$418
San FranciscoDuluth
SFO San Francisco - DLH Duluth Intl
SFODLH
San Francisco
Fri 9/18
11:30 pm-10:42 am
1 stop9h 12m
Duluth Intl
Sat 9/26
3:10 pm-9:15 pm
1 stop8h 05m
$449
Quickest round-trip
San FranciscoDuluth
SFO San Francisco - DLH Duluth Intl
SFODLH
San Francisco
Wed 9/30
6:35 am-3:29 pm
1 stop6h 54m
Duluth Intl
Sun 10/4
5:15 am-10:52 am
1 stop7h 37m
$488
San FranciscoDuluth
SFO San Francisco - DLH Duluth Intl
SFODLH
San Francisco
Fri 9/11
1:54 pm-11:20 pm
1 stop7h 26m
Duluth Intl
Tue 9/15
6:24 pm-12:30 am
1 stop8h 06m
$518
San FranciscoDuluth
SFO San Francisco - DLH Duluth Intl
SFODLH
San Francisco
Fri 1/29
12:55 am-10:42 am
1 stop7h 47m
Duluth Intl
Wed 2/3
3:14 pm-9:19 am
2 stops20h 05m
$522
San FranciscoDuluth
SFO San Francisco - DLH Duluth Intl
SFODLH
San Francisco
Sat 10/3
1:50 pm-11:22 pm
1 stop7h 32m
Duluth Intl
Tue 10/6
3:10 pm-9:30 am
2 stops20h 20m
$522
San FranciscoDuluth
SFO San Francisco - DLH Duluth Intl
SFODLH
San Francisco
Wed 9/30
11:30 pm-10:42 am
1 stop9h 12m
Duluth Intl
Sun 10/4
7:45 am-8:45 am
1 stop27h 00m
$546
Cheapest one-way
Quickest one-way
San FranciscoDuluth
SFO San Francisco - DLH Duluth Intl
SFODLH
San Francisco
Sat 9/12
6:00 am-5:51 pm
1 stop9h 51m
$453
San FranciscoDuluth
SFO San Francisco - DLH Duluth Intl
SFODLH
San Francisco
Thu 9/17
7:00 am-11:20 pm
2 stops14h 20m
$516
Sorted by cheapest first
Compare providers for flights from San Francisco 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 Francisco to Duluth in August.
| 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 Francisco-Duluth flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Francisco-Duluth flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Francisco-Duluth flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on San Francisco-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 Francisco-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 Francisco to Duluth
Have a flexible travel schedule? Discover the best time to fly to Duluth from San Francisco with our price prediction graph.
SFO-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 August 27, 2026.
Peruse reviews from past customers who have flown with Delta and United Airlines from San Francisco to Duluth to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
7.2
Overall
7.8
Comfort
7.8
Boarding
8.1
Crew
8.5
Entertainment
7.8
Reviews
1 / 20
4.0
OkayAnonymous,Aug 2023
BDL - MSP
Food
7.2
Overall
7.8
Comfort
7.8
Boarding
8.1
Crew
8.5
Entertainment
7.8
Reviews
1 / 20
4.0
OkayAnonymous,Aug 2023
BDL - MSP
Food
7.2
Overall
7.8
Comfort
7.8
Boarding
8.1
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 Francisco 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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Complete your trip
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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 August 27, 2026.
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San Francisco and Duluth flights
Browse other San Francisco and Duluth flight options. Last updated on August 27, 2026.
Other flights from San Francisco
Browse through other flights departing from San Francisco. Flights are based on user searches made on Cheapflights and were last updated on August 27, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 2 airlines flying from San Francisco to Duluth
Discover the top 2 airlines that operate flights from San Francisco 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 7,457,451 searches. Data last updated August 27, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$278 | Average$498 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$356 | Average$463 | FlexibilityNo cancel fee | On-time69% |