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Cheap flights from Duluth to San Diego from $318

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 4/29. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Duluth to San Diego

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
5:00 am - 10:43 am
DLH
-
SAN
7h 43m
1 stop
Delta Logo
6:25 am - 3:48 pm
SAN
-
DLH
7h 23m
1 stop
$318Delta
Wed, Apr 29 - Mon, May 4
United Airlines Logo
3:08 pm - 10:59 pm
DLH
-
SAN
9h 51m
1 stop
United Airlines Logo
2:10 pm - 12:29 am
SAN
-
DLH
8h 19m
1 stop
$338United Airlines
Fri, Apr 24 - Mon, Apr 27
Delta Logo
8:07 am - 1:35 pm
DLH
-
SAN
7h 28m
1 stop
Delta Logo
2:45 pm - 10:46 pm
SAN
-
DLH
6h 01m
1 stop
$343Delta
Wed, Apr 29 - Wed, May 6
United Airlines Logo
3:08 pm - 11:59 pm
DLH
-
SAN
10h 51m
2 stops
United Airlines Logo
2:10 pm - 12:29 am
SAN
-
DLH
8h 19m
1 stop
$344United Airlines
Fri, Apr 24 - Mon, Apr 27
Delta Logo
5:00 am - 10:29 pm
DLH
-
SAN
19h 29m
2 stops
Delta Logo
6:25 am - 3:48 pm
SAN
-
DLH
7h 23m
1 stop
$348Delta
Wed, Apr 29 - Mon, May 4
United Airlines Logo
2:57 pm - 11:59 pm
DLH
-
SAN
11h 02m
2 stops
United Airlines Logo
9:45 pm - 10:34 am
SAN
-
DLH
10h 49m
2 stops
$349United Airlines
Fri, May 1 - Wed, May 6
Delta Logo
5:00 am - 9:41 pm
DLH
-
SAN
18h 41m
2 stops
Delta Logo
6:25 am - 3:48 pm
SAN
-
DLH
7h 23m
1 stop
$372Delta
Sat, May 2 - Mon, May 4
Delta Logo
5:00 am - 10:29 pm
DLH
-
SAN
19h 29m
2 stops
Delta Logo
2:45 pm - 10:46 pm
SAN
-
DLH
6h 01m
1 stop
$373Delta
Wed, Apr 29 - Wed, May 6
United Airlines Logo
3:03 pm - 10:34 pm
DLH
-
SAN
9h 31m
1 stop
United Airlines Logo
10:40 pm - 10:43 am
SAN
-
DLH
10h 03m
1 stop
$375United Airlines
Wed, Jul 8 - Mon, Jul 20
United Airlines Logo
3:03 pm - 10:34 pm
DLH
-
SAN
9h 31m
1 stop
United Airlines Logo
8:32 pm - 10:43 am
SAN
-
DLH
12h 11m
2 stops
$383United Airlines
Wed, Jul 8 - Mon, Jul 20

United Airlines flights from Duluth to San Diego

Our best United Airlines deals on Duluth to San Diego flight tickets
United Airlines
Apr 24
DLH3:08 pmDuluth Intl
9h 51m
1 stop
SAN10:59 pmSan Diego
Apr 27
SAN2:10 pmSan Diego
8h 19m
1 stop
DLH12:29 amDuluth Intl
$338
United Airlines
Apr 24
DLH3:08 pmDuluth Intl
10h 51m
2 stops
SAN11:59 pmSan Diego
Apr 27
SAN2:10 pmSan Diego
8h 19m
1 stop
DLH12:29 amDuluth Intl
$344
United Airlines
May 1
DLH2:57 pmDuluth Intl
11h 02m
2 stops
SAN11:59 pmSan Diego
May 6
SAN9:45 pmSan Diego
10h 49m
2 stops
DLH10:34 amDuluth Intl
$349

Delta flights from Duluth to San Diego

Our best Delta deals on Duluth to San Diego flight tickets
Delta
Apr 29
DLH5:00 amDuluth Intl
7h 43m
1 stop
SAN10:43 amSan Diego
May 4
SAN6:25 amSan Diego
7h 23m
1 stop
DLH3:48 pmDuluth Intl
$318
Delta
Apr 29
DLH8:07 amDuluth Intl
7h 28m
1 stop
SAN1:35 pmSan Diego
May 6
SAN2:45 pmSan Diego
6h 01m
1 stop
DLH10:46 pmDuluth Intl
$343
Delta
Apr 29
DLH5:00 amDuluth Intl
19h 29m
2 stops
SAN10:29 pmSan Diego
May 4
SAN6:25 amSan Diego
7h 23m
1 stop
DLH3:48 pmDuluth Intl
$348

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 March 12, 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

Wed 4/29

5:00 am-10:43 am

1 stop7h 43m

San Diego

Mon 5/4

6:25 am-3:48 pm

1 stop7h 23m

$318

DuluthSan Diego

DLH - SAN

DLHSAN

Duluth Intl

Fri 4/24

3:08 pm-10:59 pm

1 stop9h 51m

San Diego

Mon 4/27

2:10 pm-12:29 am

1 stop8h 19m

$338
Quickest round-trip

DuluthSan Diego

DLH - SAN

DLHSAN

Duluth Intl

Wed 4/29

8:07 am-1:35 pm

1 stop7h 28m

San Diego

Wed 5/6

2:45 pm-10:46 pm

1 stop6h 01m

$343

DuluthSan Diego

DLH - SAN

DLHSAN

Duluth Intl

Fri 4/24

3:08 pm-11:59 pm

2 stops10h 51m

San Diego

Mon 4/27

2:10 pm-12:29 am

1 stop8h 19m

$344

DuluthSan Diego

DLH - SAN

DLHSAN

Duluth Intl

Wed 4/29

5:00 am-10:29 pm

2 stops19h 29m

San Diego

Mon 5/4

6:25 am-3:48 pm

1 stop7h 23m

$348

DuluthSan Diego

DLH - SAN

DLHSAN

Duluth Intl

Fri 5/1

2:57 pm-11:59 pm

2 stops11h 02m

San Diego

Wed 5/6

9:45 pm-10:34 am

2 stops10h 49m

$349

DuluthSan Diego

DLH - SAN

DLHSAN

Duluth Intl

Sat 5/2

5:00 am-9:41 pm

2 stops18h 41m

San Diego

Mon 5/4

6:25 am-3:48 pm

1 stop7h 23m

$372

DuluthSan Diego

DLH - SAN

DLHSAN

Duluth Intl

Wed 4/29

5:00 am-10:29 pm

2 stops19h 29m

San Diego

Wed 5/6

2:45 pm-10:46 pm

1 stop6h 01m

$373

DuluthSan Diego

DLH - SAN

DLHSAN

Duluth Intl

Wed 7/8

3:03 pm-10:34 pm

1 stop9h 31m

San Diego

Mon 7/20

10:40 pm-10:43 am

1 stop10h 03m

$375

DuluthSan Diego

DLH - SAN

DLHSAN

Duluth Intl

Wed 7/8

3:03 pm-10:34 pm

1 stop9h 31m

San Diego

Mon 7/20

8:32 pm-10:43 am

2 stops12h 11m

$383

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 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 typical price of a round-trip flight between Duluth and San Diego?

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

6h 01m

Direct flights

None
The fastest flight from Duluth to San Diego takes 6h 01m
There are no direct flights from Duluth to San Diego. There are no popular flight routes from Duluth to San Diego.
Search flight deals

  • 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 6h 01m 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 $283Free CancellationRating
7.9
8,286 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
Coronado
Chula Vista
El Cajon
Julian
National City
Poway
Imperial Beach
La Mesa
San Ysidro
Borrego Springs
Alpine
Lemon Grove
Santee

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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