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Cheap flights from San Francisco to Duluth from $348

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from San Francisco to Duluth departing on 8/16. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from San Francisco to Duluth

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
6:13 am - 3:31 pm
SFO
-
DLH
7h 18m
1 stop
Delta Logo
8:18 am - 1:09 pm
DLH
-
SFO
6h 51m
1 stop
$348Delta
Sun, Aug 16 - Sun, Aug 23
Delta Logo
12:25 pm - 7:44 pm
SFO
-
DLH
5h 19m
1 stop
Delta Logo
5:15 am - 11:02 am
DLH
-
SFO
7h 47m
1 stop
$373Delta
Sat, Aug 15 - Tue, Aug 25
Delta Logo
12:25 pm - 7:44 pm
SFO
-
DLH
5h 19m
1 stop
Delta Logo
11:41 am - 6:08 pm
DLH
-
SFO
8h 27m
1 stop
$398Delta
Sat, Aug 15 - Wed, Aug 19
Delta Logo
6:13 am - 3:29 pm
SFO
-
DLH
7h 16m
1 stop
Delta Logo
11:43 am - 8:18 pm
DLH
-
SFO
10h 35m
2 stops
$402Delta
Tue, Sep 8 - Tue, Sep 22
Delta Logo
3:16 pm - 10:35 pm
SFO
-
DLH
5h 19m
1 stop
Delta Logo
4:11 pm - 11:51 pm
DLH
-
SFO
9h 40m
2 stops
$417Delta
Tue, Sep 22 - Mon, Sep 28
United Airlines Logo
2:05 pm - 11:22 pm
SFO
-
DLH
7h 17m
1 stop
United Airlines Logo
6:23 pm - 12:30 am
DLH
-
SFO
8h 07m
1 stop
$426United Airlines
Fri, Aug 21 - Wed, Aug 26
United Airlines Logo
12:55 am - 10:44 am
SFO
-
DLH
7h 49m
1 stop
United Airlines Logo
7:35 am - 2:41 pm
DLH
-
SFO
9h 06m
1 stop
$438United Airlines
Tue, Oct 27 - Sat, Oct 31
Delta Logo
3:37 pm - 10:41 pm
SFO
-
DLH
5h 04m
1 stop
Delta Logo
8:18 am - 4:56 pm
DLH
-
SFO
10h 38m
2 stops
$447Delta
Thu, Aug 13 - Wed, Aug 19
United Airlines Logo
10:35 pm - 10:42 am
SFO
-
DLH
10h 07m
1 stop
United Airlines Logo
6:32 pm - 12:30 am
DLH
-
SFO
7h 58m
1 stop
$448United Airlines
Sat, Sep 5 - Sat, Sep 12
Delta Logo
3:37 pm - 10:41 pm
SFO
-
DLH
5h 04m
1 stop
Delta Logo
5:15 am - 11:02 am
DLH
-
SFO
7h 47m
1 stop
$468Delta
Fri, Aug 14 - Sun, Aug 16

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United Airlines flights from San Francisco to Duluth

Our best United Airlines deals on San Francisco to Duluth flight tickets
United Airlines
Aug 21
SFO2:05 pmSan Francisco
7h 17m
1 stop
DLH11:22 pmDuluth Intl
Aug 26
DLH6:23 pmDuluth Intl
8h 07m
1 stop
SFO12:30 amSan Francisco
$426
United Airlines
Sep 5
SFO10:35 pmSan Francisco
10h 07m
1 stop
DLH10:42 amDuluth Intl
Sep 12
DLH6:32 pmDuluth Intl
7h 58m
1 stop
SFO12:30 amSan Francisco
$448
United Airlines
Aug 22
SFO1:54 pmSan Francisco
7h 28m
1 stop
DLH11:22 pmDuluth Intl
Aug 29
DLH6:23 pmDuluth Intl
7h 53m
1 stop
SFO12:16 amSan Francisco
$504

Delta flights from San Francisco to Duluth

Our best Delta deals on San Francisco to Duluth flight tickets
Delta
Aug 16
SFO6:13 amSan Francisco
7h 18m
1 stop
DLH3:31 pmDuluth Intl
Aug 25
DLH8:18 amDuluth Intl
6h 51m
1 stop
SFO1:09 pmSan Francisco
$348
Delta
Aug 15
SFO12:25 pmSan Francisco
5h 19m
1 stop
DLH7:44 pmDuluth Intl
Aug 25
DLH5:15 amDuluth Intl
7h 47m
1 stop
SFO11:02 amSan Francisco
$373
Delta
Aug 15
SFO12:25 pmSan Francisco
5h 19m
1 stop
DLH7:44 pmDuluth Intl
Aug 19
DLH11:41 amDuluth Intl
8h 27m
1 stop
SFO6:08 pmSan Francisco
$398

momondo 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, momondo users made 832,500 searches. Data last updated July 23, 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

Price

Cheapest round-trip

San FranciscoDuluth

SFO - DLH

SFODLH

San Francisco

Sun 8/16

6:13 am-3:31 pm

1 stop7h 18m

Duluth Intl

Sun 8/23

8:18 am-1:09 pm

1 stop6h 51m

$348

San FranciscoDuluth

SFO - DLH

SFODLH

San Francisco

Sat 8/15

12:25 pm-7:44 pm

1 stop5h 19m

Duluth Intl

Tue 8/25

5:15 am-11:02 am

1 stop7h 47m

$373

San FranciscoDuluth

SFO - DLH

SFODLH

San Francisco

Sat 8/15

12:25 pm-7:44 pm

1 stop5h 19m

Duluth Intl

Wed 8/19

11:41 am-6:08 pm

1 stop8h 27m

$398

San FranciscoDuluth

SFO - DLH

SFODLH

San Francisco

Tue 9/8

6:13 am-3:29 pm

1 stop7h 16m

Duluth Intl

Tue 9/22

11:43 am-8:18 pm

2 stops10h 35m

$402

San FranciscoDuluth

SFO - DLH

SFODLH

San Francisco

Tue 9/22

3:16 pm-10:35 pm

1 stop5h 19m

Duluth Intl

Mon 9/28

4:11 pm-11:51 pm

2 stops9h 40m

$417

San FranciscoDuluth

SFO - DLH

SFODLH

San Francisco

Fri 8/21

2:05 pm-11:22 pm

1 stop7h 17m

Duluth Intl

Wed 8/26

6:23 pm-12:30 am

1 stop8h 07m

$426

San FranciscoDuluth

SFO - DLH

SFODLH

San Francisco

Tue 10/27

12:55 am-10:44 am

1 stop7h 49m

Duluth Intl

Sat 10/31

7:35 am-2:41 pm

1 stop9h 06m

$438

San FranciscoDuluth

SFO - DLH

SFODLH

San Francisco

Thu 8/13

3:37 pm-10:41 pm

1 stop5h 04m

Duluth Intl

Wed 8/19

8:18 am-4:56 pm

2 stops10h 38m

$447

San FranciscoDuluth

SFO - DLH

SFODLH

San Francisco

Sat 9/5

10:35 pm-10:42 am

1 stop10h 07m

Duluth Intl

Sat 9/12

6:32 pm-12:30 am

1 stop7h 58m

$448
Quickest round-trip

San FranciscoDuluth

SFO - DLH

SFODLH

San Francisco

Fri 8/14

3:37 pm-10:41 pm

1 stop5h 04m

Duluth Intl

Sun 8/16

5:15 am-11:02 am

1 stop7h 47m

$468

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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See travel insights to Duluth from

How to get the cheapest flight ticket from San Francisco to Duluth

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Duluth?

The cheapest month to fly to Duluth from San Francisco is in June. Flight prices, which tend to average around $0, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of June, then book flights to Duluth from San Francisco during October instead. Flights to Duluth in October, while not as cheap as those in June, still average around $278.

When to book flights from San Francisco to Duluth

Are you open to changing your travel dates? Check out the ideal times to fly from San Francisco to Duluth according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap San Francisco to Duluth (SFO to DLH) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Francisco to Duluth

Fastest flight time

5h 19m

Direct flights

None
The fastest flight from San Francisco to Duluth takes 5h 19m
There are no direct flights from San Francisco to Duluth. There are no popular flight routes from San Francisco to Duluth.
Search flight deals

Frequently asked questions about flying from San Francisco to Duluth

  • How far is San Francisco to Duluth Intl by plane?

    The distance between San Francisco and Duluth Intl is about 1654.9 mi. A reasonable flight in good conditions will take 5h 19m.

  • When did momondo last update prices for flights from San Francisco Airport to Duluth Intl Airport?

    Prices for flights from San Francisco Airport to Duluth Intl Airport are updated daily.

  • How many operators does momondo search for flights from San Francisco Airport to Duluth Intl Airport?

  • How old do you have to be to fly from San Francisco Airport to Duluth Intl Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Francisco Airport to Duluth Intl Airport.

  • What documentation or ID do you need to fly to Duluth Intl Airport?

    The required travel and health documents for your Duluth Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Duluth Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from San Francisco to Duluth?

Best airlines flying from San Francisco to Duluth

Compare and see reviews for airlines that fly from San Francisco to Duluth with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $278Free CancellationRating
7.8
8,479 reviews
Search Delta flights
United AirlinesPriceFrom $356Free CancellationRating
7.4
10,024 reviews
Search United Airlines flights

Traveling to a place near Duluth?

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

Why use momondo?

Why should I use momondo to find a flight deal from San Francisco to Duluth?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Duluth from San Francisco.

Can I find flights from San Francisco to Duluth with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for San Francisco to Duluth flights to just show those with flexible booking policies.

How can momondo help me find flights from San Francisco to Duluth?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from San Francisco to Duluth.

I’m not ready to book a flight from San Francisco to Duluth right now. Can momondo alert me if prices change?

If you are not ready to book a flight from San Francisco to Duluth now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Duluth and let you know when they change.

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