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

Prices for flights from San Diego Airport to Duluth Intl Airport refresh daily.

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

The number of operators available for flights from San Diego Airport to Duluth Intl Airport is 1 as of September 2025.

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

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Diego Airport to Duluth Intl Airport.

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

The necessary travel and health documents for your Duluth Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$202 Cheap Flights from San Diego to Duluth in 2025/26

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Find the cheapest flights from San Diego to Duluth

Round-trip

One-way

Last minute

Cheap round-trip flights

4:36 pm - 11:50 pmSAN-DLH

5h 14m1 stop

8:05 am - 1:08 pmDLH-SAN

7h 03m1 stop

$383Delta

Find Deal

Wed, Nov 26 - Tue, Dec 2

10:00 pm - 11:21 amSAN-DLH

11h 21m2 stops

8:05 am - 1:08 pmDLH-SAN

7h 03m1 stop

$389Delta

Find Deal

Wed, Nov 26 - Tue, Dec 2

11:50 am - 10:52 pmSAN-DLH

9h 02m1 stop

11:55 am - 1:04 pmDLH-SAN

27h 09m1 stop

$438Delta

Find Deal

Wed, Dec 24 - Tue, Dec 30

6:15 am - 3:30 pmSAN-DLH

7h 15m1 stop

11:55 am - 1:04 pmDLH-SAN

27h 09m1 stop

$463Delta

Find Deal

Thu, Dec 25 - Tue, Dec 30

10:46 am - 10:08 pmSAN-DLH

9h 22m1 stop

9:45 am - 8:02 pmDLH-SAN

12h 17m2 stops

$464United Airlines

Find Deal

Thu, Sep 25 - Mon, Sep 29

8:00 am - 10:08 pmSAN-DLH

12h 08m2 stops

9:45 am - 8:02 pmDLH-SAN

12h 17m2 stops

$469United Airlines

Find Deal

Thu, Sep 25 - Mon, Sep 29

11:50 am - 10:52 pmSAN-DLH

9h 02m1 stop

5:00 am - 10:42 pmDLH-SAN

19h 42m2 stops

$483Delta

Find Deal

Wed, Dec 24 - Mon, Dec 29

11:50 am - 10:52 pmSAN-DLH

9h 02m1 stop

11:55 am - 8:57 pmDLH-SAN

11h 02m1 stop

$488Delta

Find Deal

Wed, Dec 24 - Fri, Jan 2

11:50 am - 10:52 pmSAN-DLH

9h 02m1 stop

4:10 pm - 8:57 pmDLH-SAN

6h 47m1 stop

$493Delta

Find Deal

Wed, Dec 24 - Thu, Jan 1

11:50 am - 10:52 pmSAN-DLH

9h 02m1 stop

5:00 am - 2:31 pmDLH-SAN

11h 31m2 stops

$499Delta

Find Deal

Wed, Dec 24 - Thu, Jan 1

Delta flights from San Diego to Duluth

Our best Delta deals on San Diego to Duluth flight tickets

Delta

Nov 26

SAN4:36 pmSan Diego

5h 14m

1 stop

DLH11:50 pmDuluth Intl

Dec 2

DLH8:05 amDuluth Intl

7h 03m

1 stop

SAN1:08 pmSan Diego

$383

Find similar

Delta

Nov 26

SAN10:00 pmSan Diego

11h 21m

2 stops

DLH11:21 amDuluth Intl

Dec 2

DLH8:05 amDuluth Intl

7h 03m

1 stop

SAN1:08 pmSan Diego

$389

Find similar

Delta

Dec 24

SAN11:50 amSan Diego

9h 02m

1 stop

DLH10:52 pmDuluth Intl

Dec 30

DLH11:55 amDuluth Intl

27h 09m

1 stop

SAN1:04 pmSan Diego

$438

Find similar

United Airlines flights from San Diego to Duluth

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

United Airlines

Sep 25

SAN10:46 amSan Diego

9h 22m

1 stop

DLH10:08 pmDuluth Intl

Sep 29

DLH9:45 amDuluth Intl

12h 17m

2 stops

SAN8:02 pmSan Diego

$464

Find similar

United Airlines

Sep 25

SAN8:00 amSan Diego

12h 08m

2 stops

DLH10:08 pmDuluth Intl

Sep 29

DLH9:45 amDuluth Intl

12h 17m

2 stops

SAN8:02 pmSan Diego

$469

Find similar

United Airlines

Sep 25

SAN10:46 amSan Diego

9h 22m

1 stop

DLH10:08 pmDuluth Intl

Sep 29

DLH3:07 pmDuluth Intl

9h 07m

1 stop

SAN10:14 pmSan Diego

$563

Find similar

Fly from

Fly to

Route

Depart

Return

Price

San DiegoDuluth

SAN - DLH

SANDLH

San Diego

Wed 11/26

4:36 pm-11:50 pm

1 stop5h 14m

Duluth Intl

Tue 12/2

8:05 am-1:08 pm

1 stop7h 03m

$383

San DiegoDuluth

SAN - DLH

SANDLH

San Diego

Wed 11/26

10:00 pm-11:21 am

2 stops11h 21m

Duluth Intl

Tue 12/2

8:05 am-1:08 pm

1 stop7h 03m

$389

San DiegoDuluth

SAN - DLH

SANDLH

San Diego

Wed 12/24

11:50 am-10:52 pm

1 stop9h 02m

Duluth Intl

Tue 12/30

11:55 am-1:04 pm

1 stop27h 09m

$438

San DiegoDuluth

SAN - DLH

SANDLH

San Diego

Thu 12/25

6:15 am-3:30 pm

1 stop7h 15m

Duluth Intl

Tue 12/30

11:55 am-1:04 pm

1 stop27h 09m

$463

San DiegoDuluth

SAN - DLH

SANDLH

San Diego

Thu 9/25

10:46 am-10:08 pm

1 stop9h 22m

Duluth Intl

Mon 9/29

9:45 am-8:02 pm

2 stops12h 17m

$464

San DiegoDuluth

SAN - DLH

SANDLH

San Diego

Thu 9/25

8:00 am-10:08 pm

2 stops12h 08m

Duluth Intl

Mon 9/29

9:45 am-8:02 pm

2 stops12h 17m

$469

San DiegoDuluth

SAN - DLH

SANDLH

San Diego

Wed 12/24

11:50 am-10:52 pm

1 stop9h 02m

Duluth Intl

Mon 12/29

5:00 am-10:42 pm

2 stops19h 42m

$483

San DiegoDuluth

SAN - DLH

SANDLH

San Diego

Wed 12/24

11:50 am-10:52 pm

1 stop9h 02m

Duluth Intl

Fri 1/2

11:55 am-8:57 pm

1 stop11h 02m

$488

San DiegoDuluth

SAN - DLH

SANDLH

San Diego

Wed 12/24

11:50 am-10:52 pm

1 stop9h 02m

Duluth Intl

Thu 1/1

4:10 pm-8:57 pm

1 stop6h 47m

$493

San DiegoDuluth

SAN - DLH

SANDLH

San Diego

Wed 12/24

11:50 am-10:52 pm

1 stop9h 02m

Duluth Intl

Thu 1/1

5:00 am-2:31 pm

2 stops11h 31m

$499

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

How to get the cheapest flight ticket from San Diego 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 Diego is in March. 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 March, then book flights to Duluth from San Diego during September instead. Flights to Duluth in September, while not as cheap as those in March, still average around $388.

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

The cheapest day to depart from San Diego to Duluth is on a Tuesday when prices can be found for as low as $368. On the other hand, Sunday is the most expensive day to depart from San Diego because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $616.

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

Flying to Duluth from San Diego in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $368 when looking at flights departing in the afternoon. In contrast, the most expensive time of day to depart to Duluth is in the morning when prices are around $498.

When to book flights from San Diego to Duluth

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

Estimated round-trip price

Cheap San Diego to Duluth (SAN to DLH) flight deals and tips

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

Direct flights	None

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

Search flight deals

How far is San Diego to Duluth Intl by plane?
The distance between San Diego and Duluth Intl is about 1634.9 mi. Typically, this will take 5h 14m by plane in normal conditions.
When did momondo last update prices for flights from San Diego Airport to Duluth Intl Airport?
Prices for flights from San Diego Airport to Duluth Intl Airport refresh daily.
How many operators does momondo search for flights from San Diego Airport to Duluth Intl Airport?
The number of operators available for flights from San Diego Airport to Duluth Intl Airport is 1 as of September 2025.
How old do you have to be to fly from San Diego Airport to Duluth Intl Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Diego Airport to Duluth Intl Airport.
What documentation or ID do you need to fly to Duluth Intl Airport?
The necessary travel and health documents for your Duluth Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from San Diego to Duluth?
momondo data reveals that the most frequently booked airline on the route from San Diego to Duluth is Delta, representing 100% of all bookings.

Best airlines flying from San Diego to Duluth

Compare and see reviews for airlines that fly from San Diego to Duluth with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $288	Free Cancellation	Rating 7.9 7,954 reviews		Search Delta flights

Two Harbors

Hayward

Superior

Cloquet

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from San Diego to Duluth. Millions of users trust and use momondo every year so you are in good hands.

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

Yes. momondo enables you to select and highlight flights to Duluth from San Diego with this policy.

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

Once all potential San Diego to Duluth flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

If you are not ready to book a flight from San Diego 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.