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$348+ Cheap flights from Duluth to San Francisco (DLH - SFO)

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 8/21. Fares are subject to change and may not be available on all flights or dates of travel.
DLH — SFO
Aug 26 — Sep 21
Wed 8/26
Wed 9/2
1 adult, Economy
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Cheap flight deals from Duluth to San Francisco

Cheapest flights from Duluth to San Francisco
Explore the most affordable flight options available from Duluth to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 27, 2026.

This Delta deal was found by Cheapflights users on 7/23. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/2312:30 pm
DLH
-
SFO
1 stop6h 43m
Delta
Fri 10/303:25 pm
SFO
-
DLH
1 stop5h 22m
Delta
Deal found 7/23$348
This Delta deal was found by Cheapflights users on 7/23. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/164:11 pm
DLH
-
SFO
1 stop6h 21m
Delta
Sun 9/206:35 am
SFO
-
DLH
1 stop6h 54m
Delta
Deal found 7/23$428
This United Airlines deal was found by Cheapflights users on 7/23. 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.
Thu 9/176:24 pm
DLH
-
SFO
1 stop8h 26m
United Airlines
Sat 9/1912:35 am
SFO
-
DLH
1 stop8h 07m
United Airlines
Deal found 7/23$448
This United Airlines deal was found by Cheapflights users on 7/24. 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 9/166:24 pm
DLH
-
SFO
1 stop8h 06m
United Airlines
Sun 9/205:00 am
SFO
-
DLH
1 stop7h 29m
United Airlines
Deal found 7/24$514
This Delta deal was found by Cheapflights users on 7/22. 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.
Thu 8/1311:41 am
DLH
-
SFO
1 stop7h 37m
Delta
Mon 8/173:37 pm
SFO
-
DLH
1 stop5h 04m
Delta
Deal found 7/22$523
This United Airlines deal was found by Cheapflights users on 7/27. 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 9/186:24 pm
DLH
-
SFO
2 stops15h 16m
United Airlines
Sat 9/1912:35 am
SFO
-
DLH
1 stop8h 05m
United Airlines
Deal found 7/27$541
This United Airlines deal was found by Cheapflights users on 7/26. 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.
Fri 10/233:10 pm
DLH
-
SFO
1 stop9h 49m
United Airlines
Fri 10/3010:50 pm
SFO
-
DLH
2 stops16h 48m
United Airlines
Deal found 7/26$542

Find flight deals from Duluth to San Francisco

Discover tips and strategies to find the most affordable flight options for your journey from Duluth (DLH) to San Francisco (SFO). 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 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$348
(Delta)

Popular in

March

Cheapest in

January

Average price

$796
Provider with most accurate pricing for Duluth Intl-San Francisco flight deals.
Search Deals
Provider most trusted by Cheapflights users for Duluth Intl-San Francisco flights.
Search Deals
From Duluth Intl to San Francisco
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($80 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($30 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Duluth to San Francisco 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 July 27, 2026.
Use the filters below to find and compare flights from Duluth to San Francisco that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DuluthSan Francisco

DLH - SFO

DLHSFO

Duluth Intl

Fri 9/18

6:24 pm-12:30 am

1 stop8h 06m

San Francisco

Sat 9/19

12:35 am-10:40 am

1 stop8h 05m

$348

DuluthSan Francisco

DLH - SFO

DLHSFO

Duluth Intl

Fri 8/21

6:23 pm-12:16 am

1 stop7h 53m

San Francisco

Fri 8/28

1:54 pm-11:22 pm

1 stop7h 28m

$348

DuluthSan Francisco

DLH - SFO

DLHSFO

Duluth Intl

Fri 10/23

4:21 pm-11:56 pm

2 stops9h 35m

San Francisco

Fri 10/30

3:25 pm-10:47 pm

1 stop5h 22m

$422
Quickest round-trip

DuluthSan Francisco

DLH - SFO

DLHSFO

Duluth Intl

Thu 9/17

4:11 pm-8:32 pm

1 stop6h 21m

San Francisco

Sun 9/20

6:35 am-3:29 pm

1 stop6h 54m

$428

DuluthSan Francisco

DLH - SFO

DLHSFO

Duluth Intl

Wed 9/16

6:24 pm-12:30 am

1 stop8h 06m

San Francisco

Sat 9/19

12:35 am-10:40 am

1 stop8h 05m

$448

DuluthSan Francisco

DLH - SFO

DLHSFO

Duluth Intl

Thu 9/17

6:24 pm-12:50 am

1 stop8h 26m

San Francisco

Sat 9/19

12:35 am-10:42 am

1 stop8h 07m

$448

DuluthSan Francisco

DLH - SFO

DLHSFO

Duluth Intl

Wed 9/16

4:11 pm-8:32 pm

1 stop6h 21m

San Francisco

Sun 9/20

6:35 am-3:29 pm

1 stop6h 54m

$458

DuluthSan Francisco

DLH - SFO

DLHSFO

Duluth Intl

Fri 10/23

3:10 pm-10:59 pm

1 stop9h 49m

San Francisco

Fri 10/30

10:50 pm-5:38 pm

2 stops16h 48m

$542
Cheapest one-way

DuluthSan Francisco

DLH - SFO

DLHSFO

Duluth Intl

Sun 9/13

5:15 am-10:52 am

1 stop7h 37m

$353
Quickest one-way

DuluthSan Francisco

DLH - SFO

DLHSFO

Duluth Intl

Mon 9/28

11:43 am-5:19 pm

1 stop7h 36m

$353

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/26

Showing 1-10 of 16 resultsSorted by cheapest first
1
2

Compare providers for flights from Duluth to San Francisco

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 Duluth to San Francisco in July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice 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 Duluth-San Francisco flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Duluth-San Francisco flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Duluth-San Francisco flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Duluth-San Francisco 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 Duluth-San Francisco 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 Duluth to San Francisco

Have a flexible travel schedule? Discover the best time to fly to San Francisco 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.

Reviews of airlines servicing San Francisco

Get insights into the airlines that provide service to San Francisco. 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 San Francisco. Reviews last updated July 27, 2026.
Read reviews from past customers who have flown Delta from Duluth to San Francisco. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.8
Good
8,482 reviews

Overall

7.8

Food

7.2

Entertainment

7.8

Crew

8.5

Boarding

8.1

Comfort

7.8

Reviews

1 / 20
6.0
Good

James,Aug 2023

SEA - SFO

Crew was nice and courteous. Boarding went smoothly. But we experienced a few minutes of extreme turbulence.
Delta
7.8
Good
8,482 reviews
Delta
7.8
Good
8,482 reviews

Overall

7.8

Food

7.2

Entertainment

7.8

Crew

8.5

Boarding

8.1

Comfort

7.8

Reviews

1 / 20
6.0
Good

James,Aug 2023

SEA - SFO

Crew was nice and courteous. Boarding went smoothly. But we experienced a few minutes of extreme turbulence.

Related info for your journey

Find useful and relevant information for your journey from Duluth to San Francisco. 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 Duluth to San Francisco?

    There are many flights that can get you from Duluth to San Francisco in 8h 06m. Fly via United Airlines or Delta to get the fastest option. The distance between Duluth and San Francisco is about 1656 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    Flying on Delta is currently your cheapest option to San Francisco, with prices starting at $278. Delta is 57% cheaper than the average price of flights available within the next 90 days to this destination.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Duluth to San Francisco 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 San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
South San Francisco
Santa Clara
Santa Cruz
Fairfield
Roseville
Burlingame
Rancho Cordova
San Bruno
Cupertino
Emeryville
Newark
Watsonville
Hayward
Redwood City
San Carlos
San Ramon
Turlock
Vallejo
San Lorenzo
Davis

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Top airline flying from Duluth to San Francisco

Discover the top airline that operate flights from Duluth to San Francisco. 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 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$278Average$568FlexibilityNo cancel feeOn-timeN/A

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