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Cheap flights from San Diego to Duluth from $358

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 Diego to Duluth departing on 4/21. 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.
United Airlines Logo
6:20 am - 6:07 pm
SAN
-
DLH
9h 47m
1 stop
United Airlines Logo
5:00 am - 11:25 am
DLH
-
SAN
8h 25m
1 stop
$358United Airlines
Tue, Apr 21 - Tue, Apr 28
United Airlines Logo
6:20 am - 6:07 pm
SAN
-
DLH
9h 47m
1 stop
United Airlines Logo
5:00 am - 2:57 pm
DLH
-
SAN
11h 57m
2 stops
$364United Airlines
Tue, Apr 21 - Tue, Apr 28
Delta Logo
6:30 am - 3:48 pm
SAN
-
DLH
7h 18m
1 stop
Delta Logo
7:58 am - 1:17 pm
DLH
-
SAN
7h 19m
1 stop
$413Delta
Mon, Jun 1 - Sat, Jun 6
Delta Logo
6:25 am - 3:48 pm
SAN
-
DLH
7h 23m
1 stop
Delta Logo
4:29 pm - 8:42 pm
DLH
-
SAN
6h 13m
1 stop
$433Delta
Tue, Apr 28 - Mon, May 4
United Airlines Logo
6:20 am - 6:07 pm
SAN
-
DLH
9h 47m
2 stops
United Airlines Logo
11:19 am - 8:12 pm
DLH
-
SAN
10h 53m
2 stops
$448United Airlines
Tue, Apr 21 - Tue, Apr 28
United Airlines Logo
6:22 pm - 10:39 am
SAN
-
DLH
14h 17m
2 stops
United Airlines Logo
7:25 am - 3:33 pm
DLH
-
SAN
10h 08m
1 stop
$464United Airlines
Tue, Apr 14 - Sat, Apr 18
United Airlines Logo
7:40 pm - 10:39 am
SAN
-
DLH
12h 59m
2 stops
United Airlines Logo
11:19 am - 10:38 pm
DLH
-
SAN
13h 19m
2 stops
$469United Airlines
Tue, Apr 14 - Sat, Apr 18
United Airlines Logo
4:21 pm - 2:27 pm
SAN
-
DLH
20h 06m
3 stops
United Airlines Logo
7:25 am - 9:01 pm
DLH
-
SAN
15h 36m
2 stops
$474United Airlines
Tue, Apr 21 - Tue, Apr 28
United Airlines Logo
6:20 pm - 10:39 am
SAN
-
DLH
14h 19m
2 stops
United Airlines Logo
2:57 pm - 11:59 pm
DLH
-
SAN
11h 02m
2 stops
$494United Airlines
Tue, Apr 28 - Mon, May 4
United Airlines Logo
4:21 pm - 2:27 pm
SAN
-
DLH
20h 06m
3 stops
United Airlines Logo
11:19 am - 8:39 pm
DLH
-
SAN
11h 20m
2 stops
$499United Airlines
Tue, Apr 14 - Sat, Apr 18

United Airlines flights from San Diego to Duluth

Our best United Airlines deals on San Diego to Duluth flight tickets
United Airlines
Apr 21
SAN6:20 amSan Diego
9h 47m
1 stop
DLH6:07 pmDuluth Intl
Apr 28
DLH5:00 amDuluth Intl
8h 25m
1 stop
SAN11:25 amSan Diego
$358
United Airlines
Apr 21
SAN6:20 amSan Diego
9h 47m
1 stop
DLH6:07 pmDuluth Intl
Apr 28
DLH5:00 amDuluth Intl
11h 57m
2 stops
SAN2:57 pmSan Diego
$364
United Airlines
Apr 21
SAN6:20 amSan Diego
9h 47m
2 stops
DLH6:07 pmDuluth Intl
Apr 28
DLH11:19 amDuluth Intl
10h 53m
2 stops
SAN8:12 pmSan Diego
$448

Delta flights from San Diego to Duluth

Our best Delta deals on San Diego to Duluth flight tickets
Delta
Jun 1
SAN6:30 amSan Diego
7h 18m
1 stop
DLH3:48 pmDuluth Intl
Jun 6
DLH7:58 amDuluth Intl
7h 19m
1 stop
SAN1:17 pmSan Diego
$413
Delta
Apr 28
SAN6:25 amSan Diego
7h 23m
1 stop
DLH3:48 pmDuluth Intl
May 4
DLH4:29 pmDuluth Intl
6h 13m
1 stop
SAN8:42 pmSan Diego
$433
Delta
Mar 27
SAN2:47 pmSan Diego
6h 00m
1 stop
DLH10:47 pmDuluth Intl
Mar 31
DLH4:32 pmDuluth Intl
9h 08m
1 stop
SAN11:40 pmSan Diego
$533

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 March 24, 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

Cheapest round-trip

San DiegoDuluth

SAN - DLH

SANDLH

San Diego

Tue 4/21

6:20 am-6:07 pm

1 stop9h 47m

Duluth Intl

Tue 4/28

5:00 am-11:25 am

1 stop8h 25m

$358

San DiegoDuluth

SAN - DLH

SANDLH

San Diego

Tue 4/21

6:20 am-6:07 pm

1 stop9h 47m

Duluth Intl

Tue 4/28

5:00 am-2:57 pm

2 stops11h 57m

$364

San DiegoDuluth

SAN - DLH

SANDLH

San Diego

Mon 6/1

6:30 am-3:48 pm

1 stop7h 18m

Duluth Intl

Sat 6/6

7:58 am-1:17 pm

1 stop7h 19m

$413
Quickest round-trip

San DiegoDuluth

SAN - DLH

SANDLH

San Diego

Tue 4/28

6:25 am-3:48 pm

1 stop7h 23m

Duluth Intl

Mon 5/4

4:29 pm-8:42 pm

1 stop6h 13m

$433

San DiegoDuluth

SAN - DLH

SANDLH

San Diego

Tue 4/21

6:20 am-6:07 pm

2 stops9h 47m

Duluth Intl

Tue 4/28

11:19 am-8:12 pm

2 stops10h 53m

$448

San DiegoDuluth

SAN - DLH

SANDLH

San Diego

Tue 4/14

6:22 pm-10:39 am

2 stops14h 17m

Duluth Intl

Sat 4/18

7:25 am-3:33 pm

1 stop10h 08m

$464

San DiegoDuluth

SAN - DLH

SANDLH

San Diego

Tue 4/14

7:40 pm-10:39 am

2 stops12h 59m

Duluth Intl

Sat 4/18

11:19 am-10:38 pm

2 stops13h 19m

$469

San DiegoDuluth

SAN - DLH

SANDLH

San Diego

Tue 4/21

4:21 pm-2:27 pm

3 stops20h 06m

Duluth Intl

Tue 4/28

7:25 am-9:01 pm

2 stops15h 36m

$474

San DiegoDuluth

SAN - DLH

SANDLH

San Diego

Tue 4/28

6:20 pm-10:39 am

2 stops14h 19m

Duluth Intl

Mon 5/4

2:57 pm-11:59 pm

2 stops11h 02m

$494

San DiegoDuluth

SAN - DLH

SANDLH

San Diego

Tue 4/14

4:21 pm-2:27 pm

3 stops20h 06m

Duluth Intl

Sat 4/18

11:19 am-8:39 pm

2 stops11h 20m

$499

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 resultsSorted by cheapest first
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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 airline that flies from San Diego to Duluth Intl?

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

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

5h 31m

Direct flights

None
The fastest flight from San Diego to Duluth takes 5h 31m
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 31m 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 $288Free CancellationRating
7.9
8,320 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
Superior
Hayward
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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