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Cheap flights from San Diego to Duluth from $413

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Diego to Duluth departing on 2/18. 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
0 bags

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Find the cheapest flights from San Diego to Duluth

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
6:15 am - 3:31 pm
SAN
-
DLH
7h 16m
1 stop
Delta Logo
4:18 pm - 8:53 pm
DLH
-
SAN
6h 35m
1 stop
$418Delta
Wed, Feb 18 - Sat, Feb 21
Delta Logo
10:20 pm - 11:30 am
SAN
-
DLH
11h 10m
2 stops
Delta Logo
4:18 pm - 8:53 pm
DLH
-
SAN
6h 35m
1 stop
$424Delta
Wed, Feb 18 - Sat, Feb 21
United Airlines Logo
7:50 pm - 10:43 am
SAN
-
DLH
12h 53m
2 stops
United Airlines Logo
3:19 pm - 11:40 pm
DLH
-
SAN
10h 21m
2 stops
$447United Airlines
Wed, Feb 18 - Sat, Feb 21
Delta Logo
12:00 pm - 7:32 pm
SAN
-
DLH
5h 32m
1 stop
Delta Logo
4:15 pm - 8:53 pm
DLH
-
SAN
6h 38m
1 stop
$453Delta
Thu, Feb 19 - Mon, Feb 23
Delta Logo
12:00 pm - 7:32 pm
SAN
-
DLH
5h 32m
1 stop
Delta Logo
12:15 pm - 6:45 pm
DLH
-
SAN
8h 30m
2 stops
$459Delta
Thu, Feb 19 - Mon, Feb 23
Delta Logo
10:10 pm - 11:30 am
SAN
-
DLH
11h 20m
2 stops
Delta Logo
12:15 pm - 6:45 pm
DLH
-
SAN
8h 30m
2 stops
$464Delta
Thu, Feb 19 - Mon, Feb 23
Delta Logo
3:05 pm - 11:38 pm
SAN
-
DLH
6h 33m
1 stop
Delta Logo
4:20 pm - 8:21 pm
DLH
-
SAN
6h 01m
1 stop
$537Delta
Fri, Jul 24 - Sat, Aug 1
United Airlines Logo
6:10 pm - 10:43 am
SAN
-
DLH
14h 33m
2 stops
United Airlines Logo
3:19 pm - 3:41 pm
DLH
-
SAN
26h 22m
3 stops
$713United Airlines
Thu, Feb 19 - Mon, Feb 23

Delta flights from San Diego to Duluth

Our best Delta deals on San Diego to Duluth flight tickets
Delta
Feb 18
SAN6:15 amSan Diego
7h 16m
1 stop
DLH3:31 pmDuluth Intl
Feb 21
DLH4:18 pmDuluth Intl
6h 35m
1 stop
SAN8:53 pmSan Diego
$418
Delta
Feb 18
SAN10:20 pmSan Diego
11h 10m
2 stops
DLH11:30 amDuluth Intl
Feb 21
DLH4:18 pmDuluth Intl
6h 35m
1 stop
SAN8:53 pmSan Diego
$424
Delta
Feb 19
SAN12:00 pmSan Diego
5h 32m
1 stop
DLH7:32 pmDuluth Intl
Feb 23
DLH4:15 pmDuluth Intl
6h 38m
1 stop
SAN8:53 pmSan Diego
$453

United Airlines flights from San Diego to Duluth

Our best United Airlines deals on San Diego to Duluth flight tickets
United Airlines
Feb 18
SAN7:50 pmSan Diego
12h 53m
2 stops
DLH10:43 amDuluth Intl
Feb 21
DLH3:19 pmDuluth Intl
10h 21m
2 stops
SAN11:40 pmSan Diego
$447
United Airlines
Feb 19
SAN6:10 pmSan Diego
14h 33m
2 stops
DLH10:43 amDuluth Intl
Feb 23
DLH3:19 pmDuluth Intl
26h 22m
3 stops
SAN3:41 pmSan Diego
$713
United Airlines
Feb 12
SAN3:40 pmSan Diego
17h 03m
2 stops
DLH10:43 amDuluth Intl
Feb 15
DLH3:19 pmDuluth Intl
9h 25m
1 stop
SAN10:44 pmSan Diego
$717

momondo Fare Finder

 
Customize your flight search to find flights from San Diego 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 February 5, 2026.
Use the filters below to find and compare flights from San Diego to Duluth that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San DiegoDuluth

SAN - DLH

SANDLH

San Diego

Wed 2/18

6:15 am-3:31 pm

1 stop7h 16m

Duluth Intl

Sat 2/21

4:18 pm-8:53 pm

1 stop6h 35m

$418

San DiegoDuluth

SAN - DLH

SANDLH

San Diego

Wed 2/18

10:20 pm-11:30 am

2 stops11h 10m

Duluth Intl

Sat 2/21

4:18 pm-8:53 pm

1 stop6h 35m

$424

San DiegoDuluth

SAN - DLH

SANDLH

San Diego

Wed 2/18

7:50 pm-10:43 am

2 stops12h 53m

Duluth Intl

Sat 2/21

3:19 pm-11:40 pm

2 stops10h 21m

$447

San DiegoDuluth

SAN - DLH

SANDLH

San Diego

Thu 2/19

12:00 pm-7:32 pm

1 stop5h 32m

Duluth Intl

Mon 2/23

4:15 pm-8:53 pm

1 stop6h 38m

$453

San DiegoDuluth

SAN - DLH

SANDLH

San Diego

Thu 2/19

12:00 pm-7:32 pm

1 stop5h 32m

Duluth Intl

Mon 2/23

12:15 pm-6:45 pm

2 stops8h 30m

$459

San DiegoDuluth

SAN - DLH

SANDLH

San Diego

Thu 2/19

10:10 pm-11:30 am

2 stops11h 20m

Duluth Intl

Mon 2/23

12:15 pm-6:45 pm

2 stops8h 30m

$464

San DiegoDuluth

SAN - DLH

SANDLH

San Diego

Fri 7/24

3:05 pm-11:38 pm

1 stop6h 33m

Duluth Intl

Sat 8/1

4:20 pm-8:21 pm

1 stop6h 01m

$537

San DiegoDuluth

SAN - DLH

SANDLH

San Diego

Thu 2/19

6:10 pm-10:43 am

2 stops14h 33m

Duluth Intl

Mon 2/23

3:19 pm-3:41 pm

3 stops26h 22m

$713

San DiegoDuluth

SAN - DLH

SANDLH

San Diego

Wed 2/18

4:10 pm-2:37 pm

2 stops20h 27m

$413

San DiegoDuluth

SAN - DLH

SANDLH

San Diego

Wed 2/18

6:15 am-3:31 pm

1 stop7h 16m

$432

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Duluth from

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 November instead. Flights to Duluth in November, while not as cheap as those in March, still average around $278.

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

Fastest flight time

6h 33m

Direct flights

None
The fastest flight from San Diego to Duluth takes 6h 33m
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 6h 33m 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?

  • 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?

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
DeltaPriceFrom $278Free CancellationRating
7.9
8,151 reviews
Search Delta flights

Traveling to a place near Duluth?

Book flights to Duluth if you plan to visit one of these locations
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.

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