What is the cheapest airline that flies from San Francisco to Duluth Intl?

Delta and United Airlines are the most popular carriers operating from San Francisco to Duluth Intl

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?

As of December 2025, there are 2 operators available to choose from 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.

$147 Cheap Flights from San Francisco to Duluth in 2025/26

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Find the cheapest flights from San Francisco to Duluth

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

12:25 pm - 9:59 pm

SFO

DLH

7h 34m1 stop

3:05 pm - 11:00 pm

DLH

SFO

9h 55m1 stop

$304United Airlines

Wed, Jan 21 - Wed, Jan 28

12:25 pm - 9:59 pm

SFO

DLH

7h 34m1 stop

3:05 pm - 9:30 pm

DLH

SFO

8h 25m1 stop

$323United Airlines

Fri, Jan 9 - Wed, Jan 14

10:30 am - 11:52 pm

SFO

DLH

11h 22m2 stops

5:00 am - 11:36 am

DLH

SFO

8h 36m1 stop

$343Delta

Wed, Jan 21 - Wed, Jan 28

6:05 am - 3:31 pm

SFO

DLH

7h 26m1 stop

4:15 pm - 8:57 pm

DLH

SFO

6h 42m1 stop

$344Delta

Thu, Feb 12 - Sun, Feb 15

6:05 am - 3:31 pm

SFO

DLH

7h 26m1 stop

4:15 pm - 8:57 pm

DLH

SFO

6h 42m1 stop

$355Delta

Thu, Feb 12 - Sun, Feb 15

6:05 am - 3:31 pm

SFO

DLH

7h 26m1 stop

4:15 pm - 8:57 pm

DLH

SFO

6h 42m1 stop

$356Delta

Thu, Feb 12 - Sun, Feb 15

3:00 pm - 11:52 pm

SFO

DLH

6h 52m1 stop

4:24 pm - 8:59 pm

DLH

SFO

6h 35m1 stop

$373Delta

Sat, Jan 10 - Wed, Jan 14

3:00 pm - 11:52 pm

SFO

DLH

6h 52m1 stop

5:00 am - 11:36 am

DLH

SFO

8h 36m1 stop

$402Delta

Wed, Jan 7 - Sat, Jan 10

12:40 am - 11:16 am

SFO

DLH

8h 36m1 stop

4:24 pm - 12:49 pm

DLH

SFO

22h 25m2 stops

$435Delta

Thu, Jan 8 - Wed, Jan 14

12:25 pm - 9:59 pm

SFO

DLH

7h 34m1 stop

3:05 pm - 9:30 pm

DLH

SFO

8h 25m1 stop

$438United Airlines

Thu, Jan 8 - Mon, Jan 12

United Airlines flights from San Francisco to Duluth

Our best United Airlines deals on San Francisco to Duluth flight tickets

United Airlines

Jan 21

SFO12:25 pmSan Francisco

7h 34m

1 stop

DLH9:59 pmDuluth Intl

Jan 28

DLH3:05 pmDuluth Intl

9h 55m

1 stop

SFO11:00 pmSan Francisco

$304

Find similar

United Airlines

Jan 9

SFO12:25 pmSan Francisco

7h 34m

1 stop

DLH9:59 pmDuluth Intl

Jan 14

DLH3:05 pmDuluth Intl

8h 25m

1 stop

SFO9:30 pmSan Francisco

$323

Find similar

United Airlines

Jan 8

SFO12:25 pmSan Francisco

7h 34m

1 stop

DLH9:59 pmDuluth Intl

Jan 12

DLH3:05 pmDuluth Intl

8h 25m

1 stop

SFO9:30 pmSan Francisco

$438

Find similar

Delta flights from San Francisco to Duluth

Our best Delta deals on San Francisco to Duluth flight tickets

Delta

Jan 21

SFO10:30 amSan Francisco

11h 22m

2 stops

DLH11:52 pmDuluth Intl

Jan 28

DLH4:24 pmDuluth Intl

9h 06m

2 stops

SFO11:30 pmSan Francisco

$343

Find similar

Delta

Feb 12

SFO6:05 amSan Francisco

7h 26m

1 stop

DLH3:31 pmDuluth Intl

Feb 15

DLH4:15 pmDuluth Intl

6h 42m

1 stop

SFO8:57 pmSan Francisco

$344

Find similar

Delta

Feb 12

SFO6:05 amSan Francisco

7h 26m

1 stop

DLH3:31 pmDuluth Intl

Feb 15

DLH4:15 pmDuluth Intl

6h 42m

1 stop

SFO8:57 pmSan Francisco

$355

Find similar

Fly from

Fly to

Route

Depart

Return

Price

San FranciscoDuluth

SFO - DLH

SFODLH

San Francisco

Wed 1/21

12:25 pm-9:59 pm

1 stop7h 34m

Duluth Intl

Wed 1/28

3:05 pm-11:00 pm

1 stop9h 55m

$304

San FranciscoDuluth

SFO - DLH

SFODLH

San Francisco

Fri 1/9

12:25 pm-9:59 pm

1 stop7h 34m

Duluth Intl

Wed 1/14

3:05 pm-9:30 pm

1 stop8h 25m

$323

San FranciscoDuluth

SFO - DLH

SFODLH

San Francisco

Wed 1/21

10:30 am-11:52 pm

2 stops11h 22m

Duluth Intl

Wed 1/28

5:00 am-11:36 am

1 stop8h 36m

$343

San FranciscoDuluth

SFO - DLH

SFODLH

San Francisco

Thu 2/12

6:05 am-3:31 pm

1 stop7h 26m

Duluth Intl

Sun 2/15

4:15 pm-8:57 pm

1 stop6h 42m

$344

San FranciscoDuluth

SFO - DLH

SFODLH

San Francisco

Thu 2/12

6:05 am-3:31 pm

1 stop7h 26m

Duluth Intl

Sun 2/15

4:15 pm-8:57 pm

1 stop6h 42m

$355

San FranciscoDuluth

SFO - DLH

SFODLH

San Francisco

Thu 2/12

6:05 am-3:31 pm

1 stop7h 26m

Duluth Intl

Sun 2/15

4:15 pm-8:57 pm

1 stop6h 42m

$356

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-8:59 pm

1 stop6h 35m

$373

San FranciscoDuluth

SFO - DLH

SFODLH

San Francisco

Wed 1/7

3:00 pm-11:52 pm

1 stop6h 52m

Duluth Intl

Sat 1/10

5:00 am-11:36 am

1 stop8h 36m

$402

San FranciscoDuluth

SFO - DLH

SFODLH

San Francisco

Thu 1/8

12:40 am-11:16 am

1 stop8h 36m

Duluth Intl

Wed 1/14

4:24 pm-12:49 pm

2 stops22h 25m

$435

San FranciscoDuluth

SFO - DLH

SFODLH

San Francisco

Thu 1/8

12:25 pm-9:59 pm

1 stop7h 34m

Duluth Intl

Mon 1/12

3:05 pm-9:30 pm

1 stop8h 25m

$438

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first

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

Prices

Airlines

What is the cheapest month to fly to Duluth?

The cheapest month to fly to Duluth from San Francisco is in April. Flight prices, which tend to average around $278, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of April, then book flights to Duluth from San Francisco during October instead. Flights to Duluth in October, while not as cheap as those in April, still average around $285.

What is the cheapest day to depart on your flight to Duluth?

The cheapest day to depart from San Francisco to Duluth is on a Tuesday when prices can be found for as low as $288. On the other hand, Sunday is the most expensive day to depart from San Francisco because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $658.

What is the cheapest time of day to depart on your flight to Duluth?

Flying to Duluth from San Francisco in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $388 when looking at flights departing in the afternoon. In contrast, the most expensive time of day to depart to Duluth is in the evening when prices are around $443.

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	6h 52m
Direct flights	None

The fastest flight from San Francisco to Duluth takes 6h 52m

There are no direct flights from San Francisco to Duluth. There are no popular flight routes from San Francisco to Duluth.

Search flight deals

How far is San Francisco to Duluth Intl by plane?
The distance between San Francisco and Duluth Intl is about 1655.0 mi. A reasonable flight in good conditions will take 6h 52m.
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?
As of December 2025, there are 2 operators available to choose from 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?
Based on momondo bookings for flights between San Francisco and Duluth, the leading airline is Delta, making up 76% of the total bookings. Other popular airlines include United Airlines with 24%.

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
United Airlines	PriceFrom $278	Free Cancellation	Rating 7.4 9,115 reviews		Search United Airlines flights
Delta	PriceFrom $278	Free Cancellation	Rating 7.9 8,013 reviews		Search Delta flights

Two Harbors

Hayward

Superior

Cloquet

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.