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Cheap flights from Duluth to San Diego from $348

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Duluth to San Diego departing on 1/9. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Duluth to San Diego

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
3:14 pm - 9:57 pm
DLH
-
SAN
8h 43m
1 stop
United Airlines Logo
2:09 pm - 11:04 pm
SAN
-
DLH
6h 55m
1 stop
$348United Airlines
Sat, Jan 9 - Sat, Jan 16
United Airlines Logo
7:45 am - 5:26 pm
DLH
-
SAN
11h 41m
2 stops
United Airlines Logo
6:40 am - 5:34 pm
SAN
-
DLH
8h 54m
1 stop
$354United Airlines
Fri, Aug 28 - Tue, Sep 1
United Airlines Logo
7:45 am - 5:26 pm
DLH
-
SAN
11h 41m
2 stops
United Airlines Logo
2:15 pm - 11:22 pm
SAN
-
DLH
7h 07m
1 stop
$354United Airlines
Thu, Aug 27 - Tue, Sep 1
United Airlines Logo
3:14 pm - 10:28 pm
DLH
-
SAN
9h 14m
2 stops
United Airlines Logo
2:09 pm - 11:04 pm
SAN
-
DLH
6h 55m
1 stop
$354United Airlines
Sat, Jan 9 - Sat, Jan 16
United Airlines Logo
7:45 am - 3:49 pm
DLH
-
SAN
10h 04m
1 stop
United Airlines Logo
6:18 am - 5:51 pm
SAN
-
DLH
9h 33m
1 stop
$373United Airlines
Sat, Sep 12 - Sat, Sep 19
United Airlines Logo
7:45 am - 3:49 pm
DLH
-
SAN
10h 04m
1 stop
United Airlines Logo
2:15 pm - 11:10 pm
SAN
-
DLH
6h 55m
1 stop
$373United Airlines
Sat, Sep 12 - Sat, Sep 19
United Airlines Logo
3:14 pm - 10:28 pm
DLH
-
SAN
9h 14m
2 stops
United Airlines Logo
11:20 am - 11:04 pm
SAN
-
DLH
9h 44m
2 stops
$377United Airlines
Sat, Jan 9 - Sat, Jan 16
United Airlines Logo
7:45 am - 5:26 pm
DLH
-
SAN
11h 41m
2 stops
United Airlines Logo
2:15 pm - 11:22 pm
SAN
-
DLH
7h 07m
1 stop
$378United Airlines
Thu, Aug 27 - Tue, Sep 1
Delta Logo
8:18 am - 1:16 pm
DLH
-
SAN
6h 58m
1 stop
Delta Logo
3:30 pm - 10:41 pm
SAN
-
DLH
5h 11m
1 stop
$384Delta
Tue, Sep 1 - Sat, Sep 5
Delta Logo
5:15 am - 10:38 am
DLH
-
SAN
7h 23m
1 stop
Delta Logo
3:30 pm - 10:41 pm
SAN
-
DLH
5h 11m
1 stop
$388Delta
Thu, Aug 27 - Tue, Sep 1

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United Airlines flights from Duluth to San Diego

Our best United Airlines deals on Duluth to San Diego flight tickets
United Airlines
Jan 9
DLH3:14 pmDuluth Intl
8h 43m
1 stop
SAN9:57 pmSan Diego
Jan 16
SAN2:09 pmSan Diego
6h 55m
1 stop
DLH11:04 pmDuluth Intl
$348
United Airlines
Aug 27
DLH7:45 amDuluth Intl
11h 41m
2 stops
SAN5:26 pmSan Diego
Sep 1
SAN2:15 pmSan Diego
7h 07m
1 stop
DLH11:22 pmDuluth Intl
$354
United Airlines
Sep 12
DLH7:45 amDuluth Intl
10h 04m
1 stop
SAN3:49 pmSan Diego
Sep 19
SAN6:18 amSan Diego
9h 33m
1 stop
DLH5:51 pmDuluth Intl
$373

Delta flights from Duluth to San Diego

Our best Delta deals on Duluth to San Diego flight tickets
Delta
Sep 1
DLH8:18 amDuluth Intl
6h 58m
1 stop
SAN1:16 pmSan Diego
Sep 5
SAN3:30 pmSan Diego
5h 11m
1 stop
DLH10:41 pmDuluth Intl
$388
Delta
Sep 1
DLH8:18 amDuluth Intl
6h 58m
1 stop
SAN1:16 pmSan Diego
Sep 5
SAN3:30 pmSan Diego
5h 11m
1 stop
DLH10:41 pmDuluth Intl
$390
Delta
Sep 1
DLH5:15 amDuluth Intl
8h 57m
2 stops
SAN12:12 pmSan Diego
Sep 5
SAN3:30 pmSan Diego
5h 11m
1 stop
DLH10:41 pmDuluth Intl
$394

momondo Fare Finder

 
Customize your flight search to find flights from Duluth to San Diego 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 July 28, 2026.
Use the filters below to find and compare flights from Duluth to San Diego that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DuluthSan Diego

DLH - SAN

DLHSAN

Duluth Intl

Sat 1/9

3:14 pm-9:57 pm

1 stop8h 43m

San Diego

Sat 1/16

2:09 pm-11:04 pm

1 stop6h 55m

$348

DuluthSan Diego

DLH - SAN

DLHSAN

Duluth Intl

Fri 8/28

7:45 am-5:26 pm

2 stops11h 41m

San Diego

Tue 9/1

6:40 am-5:34 pm

1 stop8h 54m

$354

DuluthSan Diego

DLH - SAN

DLHSAN

Duluth Intl

Thu 8/27

7:45 am-5:26 pm

2 stops11h 41m

San Diego

Tue 9/1

2:15 pm-11:22 pm

1 stop7h 07m

$354

DuluthSan Diego

DLH - SAN

DLHSAN

Duluth Intl

Sat 1/9

3:14 pm-10:28 pm

2 stops9h 14m

San Diego

Sat 1/16

2:09 pm-11:04 pm

1 stop6h 55m

$354

DuluthSan Diego

DLH - SAN

DLHSAN

Duluth Intl

Sat 9/12

7:45 am-3:49 pm

1 stop10h 04m

San Diego

Sat 9/19

6:18 am-5:51 pm

1 stop9h 33m

$373

DuluthSan Diego

DLH - SAN

DLHSAN

Duluth Intl

Sat 9/12

7:45 am-3:49 pm

1 stop10h 04m

San Diego

Sat 9/19

2:15 pm-11:10 pm

1 stop6h 55m

$373

DuluthSan Diego

DLH - SAN

DLHSAN

Duluth Intl

Sat 1/9

3:14 pm-10:28 pm

2 stops9h 14m

San Diego

Sat 1/16

11:20 am-11:04 pm

2 stops9h 44m

$377

DuluthSan Diego

DLH - SAN

DLHSAN

Duluth Intl

Thu 8/27

7:45 am-5:26 pm

2 stops11h 41m

San Diego

Tue 9/1

2:15 pm-11:22 pm

1 stop7h 07m

$378
Quickest round-trip

DuluthSan Diego

DLH - SAN

DLHSAN

Duluth Intl

Tue 9/1

8:18 am-1:16 pm

1 stop6h 58m

San Diego

Sat 9/5

3:30 pm-10:41 pm

1 stop5h 11m

$384

DuluthSan Diego

DLH - SAN

DLHSAN

Duluth Intl

Thu 8/27

5:15 am-10:38 am

1 stop7h 23m

San Diego

Tue 9/1

3:30 pm-10:41 pm

1 stop5h 11m

$388

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Duluth to San Diego

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 San Diego?

If you are unable to visit San Diego during the month of June, then departing from Duluth during the month November is also very affordable. Most momondo users find prices during this month for around $338.

When to book flights from Duluth to San Diego

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

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

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

Fastest flight time

7h 23m

Direct flights

None
The fastest flight from Duluth to San Diego takes 7h 23m
There are no direct flights from Duluth to San Diego. There are no popular flight routes from Duluth to San Diego.
Search flight deals

Frequently asked questions about flying from Duluth to San Diego

  • How far is Duluth Intl to San Diego by plane?

    A flight from Duluth Intl to San Diego will travel around 1634.9 mi. Typically, this will take 7h 23m by plane in normal conditions.

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

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

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

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

  • What documentation or ID do you need to fly to San Diego Airport?

    The travel and health documents you'll need for your trip to San Diego Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at San Diego Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Duluth to San Diego?

Best airlines flying from Duluth to San Diego

Compare and see reviews for airlines that fly from Duluth to San Diego with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $338Free CancellationRating
7.8
8,490 reviews
Search Delta flights

Traveling to a place near San Diego?

Book flights to San Diego if you plan to visit one of these locations
Chula Vista
Coronado
El Cajon
Julian
National City
La Mesa
Poway
San Ysidro
Imperial Beach
Santee
Borrego Springs
Lemon Grove
Alpine

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Duluth to San Diego. momondo saves you time and could save you money on your trip.

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

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

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to San Diego from Duluth.

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

If you are not ready to book a flight from Duluth to San Diego now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to San Diego and let you know when they change.

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