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Duluth

$223+ Cheap flights from San Francisco Bay Area to Duluth (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 1/15. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — DLH
Dec 19 — Dec 261
Fri 12/19
Fri 12/26
1 adult, Economy
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Cheap flight deals from San Francisco Bay Area to Duluth

Keep the following information in mind while searching for San Francisco Bay Area to Duluth flight deals. Data was last updated November 19, 2025.

Most accurate provider

Expedia
2 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$278
(Delta)

One-way from

$223
(Delta)

Popular in

February

Cheapest in

April

Average price

$426
Provider with most accurate pricing for San Francisco-Duluth Intl flight deals.
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Provider most trusted by Cheapflights users for San Francisco-Duluth Intl flights.
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From San Francisco Bay Area to Duluth Intl
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One-way flight from San Francisco Bay Area to Duluth Intl
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Highest demand for flights based on searches. 12% potential increase in price ($65 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($13 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Find flight deals from San Francisco Bay Area to Duluth

Cheapest flights from San Francisco Bay Area to Duluth
Explore the most affordable flight options available from San Francisco Bay Area to Duluth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 19, 2025.

This Delta deal was found by Cheapflights users on 11/19. 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 12/411:56 amSFO - DLH
1 stop5h 39mDelta
Mon 12/85:00 amDLH - SFO
1 stop8h 27mDelta
Deal found 11/19$378
This Delta deal was found by Cheapflights users on 11/18. 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 12/66:20 amSJC - DLH
1 stop7h 24mDelta
Tue 12/94:24 pmDLH - SJC
2 stops20h 32mDelta
Deal found 11/18$447
This Delta deal was found by Cheapflights users on 11/17. 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 12/65:55 amOAK - DLH
2 stops11h 40mDelta
Tue 12/97:45 amDLH - OAK
2 stops30h 05mDelta
Deal found 11/17$478
This United Airlines deal was found by Cheapflights users on 11/19. 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 12/410:59 pmSFO - DLH
2 stops21h 00mUnited Airlines
Mon 12/82:57 pmDLH - SFO
2 stops18h 31mUnited Airlines
Deal found 11/19$566
This United Airlines deal was found by Cheapflights users on 11/19. 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 12/296:50 pmSFO - DLH
1 stop26h 05mUnited Airlines
Wed 1/73:05 pmDLH - SFO
2 stops19h 48mUnited Airlines
Deal found 11/19$644
This Delta deal was found by Cheapflights users on 11/19. 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 12/173:33 pmSFO - DLH
1 stop6h 26mDelta
Wed 12/244:10 pmDLH - SFO
1 stop7h 10mDelta
Deal found 11/19$693
This Delta deal was found by Cheapflights users on 11/19. 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 12/175:45 amSJC - DLH
2 stops11h 50mDelta
Wed 12/244:10 pmDLH - SJC
2 stops8h 32mDelta
Deal found 11/19$707
This Delta deal was found by Cheapflights users on 11/18. 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 12/36:20 amSJC - DLH
1 stop7h 24mDelta
Fri 12/54:24 pmDLH - SJC
1 stop6h 12mDelta
Deal found 11/18$866
This Delta deal was found by Cheapflights users on 11/17. 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 12/16:15 amSJC - DLH
1 stop7h 23mDelta
Thu 12/412:01 pmDLH - SJC
2 stops12h 12mDelta
Deal found 11/17$872
This United Airlines deal was found by Cheapflights users on 11/18. 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 12/312:40 pmSJC - DLH
3 stops23h 42mUnited Airlines
Fri 12/52:57 pmDLH - SJC
2 stops28h 55mUnited Airlines
Deal found 11/18$912
This United Airlines deal was found by Cheapflights users on 11/19. 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 12/1712:40 pmSJC - DLH
3 stops23h 48mUnited Airlines
Wed 12/243:03 pmDLH - SJC
2 stops32h 13mUnited Airlines
Deal found 11/19$926
This United Airlines deal was found by Cheapflights users on 11/19. 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 12/242:29 pmSJC - DLH
2 stops30h 26mUnited Airlines
Sun 12/287:50 amDLH - SJC
1 stop16h 44mUnited Airlines
Deal found 11/19$1,060

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Francisco Bay Area 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 November 19, 2025.
Use the filters below to find and compare flights from San Francisco Bay Area to Duluth that are best for you.

Fly from

San Francisco Bay Area

Fly to

Duluth

Route

Depart

Return

Price

San FranciscoDuluth

SFO - DLH

SFODLH

San Francisco

Mon 1/5

12:40 am-11:16 am

1 stop8h 36m

Duluth Intl

Tue 1/13

5:00 am-11:36 am

1 stop8h 36m

$278

San FranciscoDuluth

SFO - DLH

SFODLH

San Francisco

Wed 1/7

3:00 pm-11:52 pm

1 stop6h 52m

Duluth Intl

Wed 1/14

4:24 pm-8:59 pm

1 stop6h 35m

$278

San FranciscoDuluth

SFO - DLH

SFODLH

San Francisco

Sat 1/10

3:00 pm-11:52 pm

1 stop6h 52m

Duluth Intl

Wed 1/14

4:24 pm-11:47 pm

1 stop9h 23m

$278

San JoseDuluth

SJC - DLH

SJCDLH

San Jose

Sat 12/6

6:20 am-3:44 pm

1 stop7h 24m

Duluth Intl

Tue 12/9

4:24 pm-10:56 am

2 stops20h 32m

$447

San JoseDuluth

SJC - DLH

SJCDLH

San Jose

Sat 3/7

7:15 am-7:34 pm

2 stops10h 19m

Duluth Intl

Wed 3/11

4:20 pm-9:06 pm

1 stop6h 46m

$451

OaklandDuluth

OAK - DLH

OAKDLH

Oakland

Sat 12/6

5:55 am-7:35 pm

2 stops11h 40m

Duluth Intl

Tue 12/9

7:45 am-11:50 am

2 stops30h 05m

$478

San JoseDuluth

SJC - DLH

SJCDLH

San Jose

Thu 1/22

7:45 am-7:35 pm

2 stops9h 50m

Duluth Intl

Sat 2/21

8:04 am-8:05 pm

2 stops14h 01m

$486

San JoseDuluth

SJC - DLH

SJCDLH

San Jose

Fri 1/23

11:40 am-11:52 pm

2 stops10h 12m

Duluth Intl

Sun 2/22

8:04 am-4:54 pm

2 stops10h 50m

$487

San JoseDuluth

SJC - DLH

SJCDLH

San Jose

Thu 1/22

11:40 am-11:52 pm

2 stops10h 12m

Duluth Intl

Sun 2/22

8:04 am-4:54 pm

2 stops10h 50m

$487

San JoseDuluth

SJC - DLH

SJCDLH

San Jose

Thu 1/22

7:45 am-7:35 pm

2 stops9h 50m

Duluth Intl

Mon 2/23

4:18 pm-8:53 pm

1 stop6h 35m

$646

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/18

Showing 1-10 of 21 results
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Best time to book a flight from San Francisco Bay Area to Duluth

Have a flexible travel schedule? Discover the best time to fly to Duluth from San Francisco Bay Area 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 Francisco Bay Area to Duluth

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

Currently, July is the cheapest month in which you can book a flight from San Francisco Bay Area to Duluth (average of $188). Flying from San Francisco Bay Area to Duluth in January is currently the most expensive (average of $504). 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.

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

Find hourly flight availability from San Francisco Bay Area 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 November 19, 2025.

One of the essential ways to save on airfare from San Francisco Bay Area to Duluth is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the evening could potentially save you up to 26% on airfare.

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 November 19, 2025.
Read reviews from past customers who have flown Delta, United Airlines, and Sun Country Air from San Francisco Bay Area to Duluth. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,002 reviews

Boarding

8.1

Entertainment

7.9

Overall

7.9

Food

7.3

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Michael,Sep 2023

SMF - ATL

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin
Delta
7.9
Good
8,002 reviews
Delta
7.9
Good
8,002 reviews

Boarding

8.1

Entertainment

7.9

Overall

7.9

Food

7.3

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Michael,Sep 2023

SMF - ATL

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin
United Airlines
7.4
Good
9,019 reviews
Delta
7.9
Good
8,002 reviews

Boarding

8.1

Entertainment

7.9

Overall

7.9

Food

7.3

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Michael,Sep 2023

SMF - ATL

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin
Sun Country Air
6.9
Okay
334 reviews
Delta
7.9
Good
8,002 reviews

Boarding

8.1

Entertainment

7.9

Overall

7.9

Food

7.3

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Michael,Sep 2023

SMF - ATL

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

Related info for your journey

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

  • What airport do you fly into for flights to Duluth from San Francisco Bay Area?

    Duluth Intl (DLH) is the airport you will fly into if you book a flight from San Francisco Bay Area to Duluth. It is only a 5.8 mi journey from Duluth Intl (DLH) to Duluth’s city center.

  • How long is the flight from San Francisco Bay Area to Duluth?

    There are many flights that can get you from San Francisco Bay Area to Duluth in 8h 36m. Fly via Delta to get the fastest option. San Francisco Bay Area and Duluth are separated by a distance of 1656 mi.

  • What are the most popular routes from San Francisco Bay Area to Duluth?

    When deciding which route to take from San Francisco Bay Area to Duluth consider San Francisco - Duluth Intl, San Jose - Duluth Intl or Oakland - Duluth Intl as they are the most popular.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from San Francisco Bay Area 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.

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

    Currently, July is the cheapest month in which you can book a flight from San Francisco Bay Area to Duluth (average of $188). Flying from San Francisco Bay Area to Duluth in January is currently the most expensive (average of $504). 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 Duluth?

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

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Alternative routes for San Francisco Bay Area to Duluth

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Top 3 airlines flying from San Francisco Bay Area to Duluth

Discover the top 3 airlines that operate flights from San Francisco Bay Area 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 November 19, 2025.
AirlineCheapestAverageFlexibilityOn-time
Sun Country AirCheapest$188Average$368FlexibilityNo cancel feeOn-time83%
United AirlinesCheapest$278Average$561FlexibilityNo cancel feeOn-time69%
DeltaCheapest$278Average$563FlexibilityNo cancel feeOn-timeN/A

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