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$253+ Cheap flights from Duluth to San Francisco (DLH - SFO)

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 10/18. Fares are subject to change and may not be available on all flights or dates of travel.
DLH — SFO
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap 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 September 11, 2025.

Round-trip from

$303
(Delta)

One-way from

$253
(Delta)

Popular in

August

Cheapest in

January

Average price

$363
From Duluth Intl to San Francisco
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One-way flight from Duluth Intl to San Francisco
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Highest demand for flights based on searches. 4% potential increase in price ($17 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find 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 September 11, 2025.

This Delta deal was found by Cheapflights users on 9/10. 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 10/15:10 amDLH - SFO
1 stop7h 52mDelta
Tue 10/75:45 amSFO - DLH
1 stop7h 45mDelta
Deal found 9/10$303
This Delta deal was found by Cheapflights users on 9/11. 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.
Fri 11/74:10 pmDLH - SFO
1 stop6h 30mDelta
Tue 11/113:26 pmSFO - DLH
1 stop6h 24mDelta
Deal found 9/11$323
This United Airlines deal was found by Cheapflights users on 9/9. 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 9/248:00 amDLH - SFO
1 stop7h 38mUnited Airlines
Sun 9/2811:33 pmSFO - DLH
1 stop9h 12mUnited Airlines
Deal found 9/9$328
This United Airlines deal was found by Cheapflights users on 9/9. 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 9/3011:20 amDLH - SFO
1 stop9h 43mUnited Airlines
Tue 10/711:00 pmSFO - DLH
1 stop9h 45mUnited Airlines
Deal found 9/9$368
This Delta deal was found by Cheapflights users on 9/11. 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.
Thu 9/254:20 pmDLH - SFO
1 stop7h 07mDelta
Mon 9/2912:45 amSFO - DLH
1 stop7h 22mDelta
Deal found 9/11$388
This United Airlines deal was found by Cheapflights users on 9/10. 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 10/19:45 amDLH - SFO
1 stop9h 35mUnited Airlines
Tue 10/710:40 pmSFO - DLH
2 stops21h 28mUnited Airlines
Deal found 9/10$422
This Delta deal was found by Cheapflights users on 9/10. 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 9/257:50 amDLH - SFO
1 stop7h 55mDelta
Sun 9/2812:45 amSFO - DLH
1 stop7h 22mDelta
Deal found 9/10$423

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 September 11, 2025.
Use the filters below to find and compare flights from Duluth to San Francisco that are best for you.

Fly from

Duluth

Fly to

San Francisco

Route

Depart

Return

Price

DuluthSan Francisco

DLH - SFO

DLHSFO

Duluth Intl

Wed 10/1

5:10 am-11:02 am

1 stop7h 52m

San Francisco

Tue 10/7

5:45 am-3:30 pm

1 stop7h 45m

$303

DuluthSan Francisco

DLH - SFO

DLHSFO

Duluth Intl

Fri 11/7

4:10 pm-8:40 pm

1 stop6h 30m

San Francisco

Tue 11/11

3:26 pm-11:50 pm

1 stop6h 24m

$323

DuluthSan Francisco

DLH - SFO

DLHSFO

Duluth Intl

Wed 9/24

8:00 am-1:38 pm

1 stop7h 38m

San Francisco

Sun 9/28

11:33 pm-10:45 am

1 stop9h 12m

$328

DuluthSan Francisco

DLH - SFO

DLHSFO

Duluth Intl

Wed 9/24

7:50 am-1:45 pm

1 stop7h 55m

San Francisco

Sat 9/27

12:45 am-10:07 am

1 stop7h 22m

$328

DuluthSan Francisco

DLH - SFO

DLHSFO

Duluth Intl

Tue 2/17

12:00 pm-6:15 pm

1 stop8h 15m

San Francisco

Fri 3/6

12:40 am-11:07 am

1 stop8h 27m

$348

DuluthSan Francisco

DLH - SFO

DLHSFO

Duluth Intl

Tue 9/30

11:20 am-7:03 pm

1 stop9h 43m

San Francisco

Tue 10/7

11:00 pm-10:45 am

1 stop9h 45m

$368

DuluthSan Francisco

DLH - SFO

DLHSFO

Duluth Intl

Sat 10/18

12:02 pm-5:24 pm

1 stop7h 22m

$253

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

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.

Cheapflights Insights

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

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

Currently, January is the cheapest month in which you can book a flight from Duluth to San Francisco (average of $276). Flying from Duluth to San Francisco in June is currently the most expensive (average of $357). 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.

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 September 11, 2025.
Read reviews from past customers who have flown Delta and United Airlines 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
8.0
Very good
7,960 reviews

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,960 reviews
Delta
8.0
Very good
7,960 reviews

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,937 reviews
Delta
8.0
Very good
7,960 reviews

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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 7h 52m. Fly via Delta to get the fastest option. The distance between Duluth and San Francisco is about 1656 mi.

  • What are the cheapest airlines flying from Duluth to San Francisco round-trip?

    Flying on Delta is currently your cheapest option to San Francisco, with prices starting at $278. Another option worth looking into is United Airlines, starting at $278 round trip. Delta is 20% 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.

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

    Currently, January is the cheapest month in which you can book a flight from Duluth to San Francisco (average of $276). Flying from Duluth to San Francisco in June is currently the most expensive (average of $357). 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 San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Roseville
Santa Cruz
Livermore
South San Francisco
Turlock
Antioch
Watsonville
Manteca
Santa Clara
Sunnyvale
Hollister
Vacaville
Foster City
Vallejo
Burlingame
Redwood City
Union City
San Leandro
San Mateo
Lathrop

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Top 2 airlines flying from Duluth to San Francisco

Discover the top 2 airlines 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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$278Average$378FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$278Average$399FlexibilityNo cancel feeOn-time69%

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