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

What airlines fly to Duluth?

Delta, United Airlines and Sun Country Air are the top three most popular airlines that fly to Duluth from San Francisco according to our data. Delta is the first choice among our users, with 74% of people opting to fly with this airline when traveling to Duluth. Keep in mind that there are 3 different airlines that fly to Duluth on a routine basis, so you have a few additional options to choose from.

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 July 2025, there are 3 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

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Find the cheapest flights from San Francisco to Duluth

Round-trip

One-way

Last minute

Cheap round-trip flights

12:45 am - 10:07 amSFO-DLH

7h 22m1 stop

4:20 pm - 9:27 pmDLH-SFO

7h 07m1 stop

$278Delta

Find Deal

Tue, Sep 16 - Mon, Sep 22

12:45 am - 10:07 amSFO-DLH

7h 22m1 stop

4:20 pm - 11:29 pmDLH-SFO

9h 09m2 stops

$337Delta

Find Deal

Tue, Sep 16 - Mon, Sep 22

11:10 pm - 10:45 amSFO-DLH

9h 35m1 stop

8:00 am - 3:30 pmDLH-SFO

9h 30m1 stop

$389United Airlines

Find Deal

Thu, Sep 11 - Sat, Sep 13

6:00 am - 3:40 pmSFO-DLH

7h 40m1 stop

4:20 pm - 9:27 pmDLH-SFO

7h 07m1 stop

$393Delta

Find Deal

Wed, Sep 17 - Mon, Sep 22

12:45 am - 10:07 amSFO-DLH

7h 22m1 stop

7:50 am - 1:45 pmDLH-SFO

7h 55m1 stop

$428Delta

Find Deal

Wed, Sep 10 - Sat, Sep 13

6:00 am - 3:40 pmSFO-DLH

7h 40m1 stop

4:20 pm - 11:29 pmDLH-SFO

9h 09m2 stops

$452Delta

Find Deal

Wed, Sep 17 - Mon, Sep 22

11:10 pm - 10:45 amSFO-DLH

9h 35m1 stop

8:00 am - 9:25 pmDLH-SFO

15h 25m2 stops

$492United Airlines

Find Deal

Thu, Sep 11 - Sat, Sep 13

8:50 pm - 10:05 pmSFO-DLH

23h 15m2 stops

8:00 am - 9:25 pmDLH-SFO

15h 25m2 stops

$520United Airlines

Find Deal

Thu, Sep 11 - Sat, Sep 13

12:45 am - 10:07 amSFO-DLH

7h 22m1 stop

5:10 am - 11:02 amDLH-SFO

7h 52m1 stop

$553Delta

Find Deal

Wed, Oct 1 - Sun, Oct 5

11:10 pm - 10:45 amSFO-DLH

9h 35m1 stop

9:45 am - 9:37 pmDLH-SFO

13h 52m2 stops

$562United Airlines

Find Deal

Wed, Sep 10 - Wed, Sep 24

United Airlines flights from San Francisco to Duluth

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

United Airlines

Sep 11

SFO11:10 pmSan Francisco

9h 35m

1 stop

DLH10:45 amDuluth Intl

Sep 13

DLH8:00 amDuluth Intl

9h 30m

1 stop

SFO3:30 pmSan Francisco

$389

Find similar

United Airlines

Sep 11

SFO11:10 pmSan Francisco

9h 35m

1 stop

DLH10:45 amDuluth Intl

Sep 13

DLH8:00 amDuluth Intl

15h 25m

2 stops

SFO9:25 pmSan Francisco

$492

Find similar

United Airlines

Sep 11

SFO8:50 pmSan Francisco

23h 15m

2 stops

DLH10:05 pmDuluth Intl

Sep 13

DLH8:00 amDuluth Intl

15h 25m

2 stops

SFO9:25 pmSan Francisco

$520

Find similar

Delta flights from San Francisco to Duluth

Our best Delta deals on San Francisco to Duluth flight tickets

Delta

Sep 16

SFO12:45 amSan Francisco

7h 22m

1 stop

DLH10:07 amDuluth Intl

Sep 22

DLH4:20 pmDuluth Intl

7h 07m

1 stop

SFO9:27 pmSan Francisco

$278

Find similar

Delta

Sep 16

SFO12:45 amSan Francisco

7h 22m

1 stop

DLH10:07 amDuluth Intl

Sep 22

DLH4:20 pmDuluth Intl

9h 09m

2 stops

SFO11:29 pmSan Francisco

$337

Find similar

Delta

Sep 17

SFO6:00 amSan Francisco

7h 40m

1 stop

DLH3:40 pmDuluth Intl

Sep 22

DLH4:20 pmDuluth Intl

7h 07m

1 stop

SFO9:27 pmSan Francisco

$393

Find similar

Fly from

Fly to

Route

Depart

Return

Price

San FranciscoDuluth

SFO - DLH

SFODLH

San Francisco

Tue 9/16

12:45 am-10:07 am

1 stop7h 22m

Duluth Intl

Mon 9/22

4:20 pm-9:27 pm

1 stop7h 07m

$278

San FranciscoDuluth

SFO - DLH

SFODLH

San Francisco

Tue 9/16

12:45 am-10:07 am

1 stop7h 22m

Duluth Intl

Mon 9/22

4:20 pm-11:29 pm

2 stops9h 09m

$337

San FranciscoDuluth

SFO - DLH

SFODLH

San Francisco

Thu 9/11

11:10 pm-10:45 am

1 stop9h 35m

Duluth Intl

Sat 9/13

8:00 am-3:30 pm

1 stop9h 30m

$389

San FranciscoDuluth

SFO - DLH

SFODLH

San Francisco

Wed 9/17

6:00 am-3:40 pm

1 stop7h 40m

Duluth Intl

Mon 9/22

4:20 pm-9:27 pm

1 stop7h 07m

$393

San FranciscoDuluth

SFO - DLH

SFODLH

San Francisco

Wed 9/10

12:45 am-10:07 am

1 stop7h 22m

Duluth Intl

Sat 9/13

7:50 am-1:45 pm

1 stop7h 55m

$428

San FranciscoDuluth

SFO - DLH

SFODLH

San Francisco

Wed 9/17

6:00 am-3:40 pm

1 stop7h 40m

Duluth Intl

Mon 9/22

4:20 pm-11:29 pm

2 stops9h 09m

$452

San FranciscoDuluth

SFO - DLH

SFODLH

San Francisco

Thu 9/11

11:10 pm-10:45 am

1 stop9h 35m

Duluth Intl

Sat 9/13

8:00 am-9:25 pm

2 stops15h 25m

$492

San FranciscoDuluth

SFO - DLH

SFODLH

San Francisco

Thu 9/11

8:50 pm-10:05 pm

2 stops23h 15m

Duluth Intl

Sat 9/13

8:00 am-9:25 pm

2 stops15h 25m

$520

San FranciscoDuluth

SFO - DLH

SFODLH

San Francisco

Wed 10/1

12:45 am-10:07 am

1 stop7h 22m

Duluth Intl

Sun 10/5

5:10 am-11:02 am

1 stop7h 52m

$553

San FranciscoDuluth

SFO - DLH

SFODLH

San Francisco

Wed 9/10

11:10 pm-10:45 am

1 stop9h 35m

Duluth Intl

Wed 9/24

9:45 am-9:37 pm

2 stops13h 52m

$562

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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 November instead. Flights to Duluth in November, while not as cheap as those in April, still average around $288.

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

Best Price Found	$274
Fastest flight time	5h 04m
Direct flights	None
Airports in Duluth	1 airport

The best one-way flight to Duluth from San Francisco in the past 72 hours is $274. The best round-trip flight deal from San Francisco to Duluth found on momondo in the last 72 hours is $278.

The fastest flight from San Francisco to Duluth takes 5h 04m

There are no direct flights from San Francisco to Duluth. Popular non-direct route for this connection is San Francisco Airport - Duluth Intl Airport.

There is 1 airport near Duluth: Duluth Intl (DLH)

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 5h 04m.
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 July 2025, there are 3 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 68% of the total bookings. Other popular airlines include United Airlines with 19% and Sun Country Air with 13%.

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
Sun Country Air	PriceFrom $188	Free Cancellation	Rating 6.9 334 reviews	Search Sun Country Air flights
Delta	PriceFrom $278	Free Cancellation	Rating 8.0 7,980 reviews	Search Delta flights
United Airlines	PriceFrom $278	Free Cancellation	Rating 7.4 8,896 reviews	Search United Airlines 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.