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Cheap flights from Duluth to San Diego from $338

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 9/1. 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.
Delta Logo
4:11 pm - 8:16 pm
DLH
-
SAN
6h 05m
1 stop
Delta Logo
11:48 am - 7:44 pm
SAN
-
DLH
5h 56m
1 stop
$338Delta
Tue, Sep 1 - Sat, Sep 5
Delta Logo
4:11 pm - 8:16 pm
DLH
-
SAN
6h 05m
1 stop
Delta Logo
10:25 pm - 11:01 am
SAN
-
DLH
10h 36m
2 stops
$344Delta
Tue, Sep 1 - Sat, Sep 5
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
$348Delta
Tue, Sep 1 - Sat, Sep 5
Delta Logo
11:41 am - 11:00 pm
DLH
-
SAN
13h 19m
2 stops
Delta Logo
11:30 am - 10:41 pm
SAN
-
DLH
9h 11m
2 stops
$349Delta
Tue, Sep 1 - Sat, Sep 5
Delta Logo
11:41 am - 11:00 pm
DLH
-
SAN
13h 19m
2 stops
Delta Logo
3:30 pm - 10:41 pm
SAN
-
DLH
5h 11m
1 stop
$354Delta
Tue, Sep 1 - Sat, Sep 5
Delta Logo
11:41 am - 11:00 pm
DLH
-
SAN
13h 19m
2 stops
Delta Logo
11:30 am - 10:41 pm
SAN
-
DLH
9h 11m
2 stops
$359Delta
Tue, Sep 1 - Sat, Sep 5
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
$373Delta
Tue, Sep 1 - Sat, Sep 5
Delta Logo
8:18 am - 1:16 pm
DLH
-
SAN
6h 58m
1 stop
Delta Logo
10:25 pm - 11:01 am
SAN
-
DLH
10h 36m
2 stops
$379Delta
Tue, Sep 1 - Sat, Sep 5
Delta Logo
8:18 am - 3:56 pm
DLH
-
SAN
9h 38m
2 stops
Delta Logo
9:46 am - 7:44 pm
SAN
-
DLH
7h 58m
2 stops
$384Delta
Tue, Sep 1 - Sat, Sep 5
Delta Logo
8:05 am - 1:00 pm
DLH
-
SAN
6h 55m
1 stop
Delta Logo
6:20 am - 3:44 pm
SAN
-
DLH
7h 24m
1 stop
$403Delta
Sun, Oct 25 - Mon, Nov 2

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Delta flights from Duluth to San Diego

Our best Delta deals on Duluth to San Diego flight tickets
Delta
Sep 1
DLH4:11 pmDuluth Intl
6h 05m
1 stop
SAN8:16 pmSan Diego
Sep 5
SAN11:48 amSan Diego
5h 56m
1 stop
DLH7:44 pmDuluth Intl
$338
Delta
Sep 1
DLH4:11 pmDuluth Intl
6h 05m
1 stop
SAN8:16 pmSan Diego
Sep 5
SAN10:25 pmSan Diego
10h 36m
2 stops
DLH11:01 amDuluth Intl
$344
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
$348

United Airlines flights from Duluth to San Diego

Our best United Airlines deals on Duluth to San Diego flight tickets
United Airlines
Nov 14
DLH5:00 amDuluth Intl
8h 22m
1 stop
SAN11:22 amSan Diego
Nov 17
SAN2:09 pmSan Diego
8h 44m
1 stop
DLH12:53 amDuluth Intl
$438
United Airlines
Nov 14
DLH7:35 amDuluth Intl
14h 58m
2 stops
SAN8:33 pmSan Diego
Nov 17
SAN2:09 pmSan Diego
8h 44m
1 stop
DLH12:53 amDuluth Intl
$444
United Airlines
Nov 14
DLH7:35 amDuluth Intl
11h 35m
2 stops
SAN5:10 pmSan Diego
Nov 17
SAN9:55 pmSan Diego
10h 49m
2 stops
DLH10:44 amDuluth Intl
$449

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 June 15, 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
Quickest round-trip

DuluthSan Diego

DLH - SAN

DLHSAN

Duluth Intl

Tue 9/1

4:11 pm-8:16 pm

1 stop6h 05m

San Diego

Sat 9/5

11:48 am-7:44 pm

1 stop5h 56m

$338

DuluthSan Diego

DLH - SAN

DLHSAN

Duluth Intl

Tue 9/1

4:11 pm-8:16 pm

1 stop6h 05m

San Diego

Sat 9/5

10:25 pm-11:01 am

2 stops10h 36m

$344

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

$348

DuluthSan Diego

DLH - SAN

DLHSAN

Duluth Intl

Tue 9/1

11:41 am-11:00 pm

2 stops13h 19m

San Diego

Sat 9/5

11:30 am-10:41 pm

2 stops9h 11m

$349

DuluthSan Diego

DLH - SAN

DLHSAN

Duluth Intl

Tue 9/1

11:41 am-11:00 pm

2 stops13h 19m

San Diego

Sat 9/5

3:30 pm-10:41 pm

1 stop5h 11m

$354

DuluthSan Diego

DLH - SAN

DLHSAN

Duluth Intl

Tue 9/1

11:41 am-11:00 pm

2 stops13h 19m

San Diego

Sat 9/5

11:30 am-10:41 pm

2 stops9h 11m

$359

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

$373

DuluthSan Diego

DLH - SAN

DLHSAN

Duluth Intl

Tue 9/1

8:18 am-1:16 pm

1 stop6h 58m

San Diego

Sat 9/5

10:25 pm-11:01 am

2 stops10h 36m

$379

DuluthSan Diego

DLH - SAN

DLHSAN

Duluth Intl

Tue 9/1

8:18 am-3:56 pm

2 stops9h 38m

San Diego

Sat 9/5

9:46 am-7:44 pm

2 stops7h 58m

$384

DuluthSan Diego

DLH - SAN

DLHSAN

Duluth Intl

Sun 10/25

8:05 am-1:00 pm

1 stop6h 55m

San Diego

Mon 11/2

6:20 am-3:44 pm

1 stop7h 24m

$403

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 resultsSorted by cheapest first
1
2

See travel insights to San Diego from

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 July, then departing from Duluth during the month June is also very affordable. Most momondo users find prices during this month for around $0.

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

8h 22m

Direct flights

None
The fastest flight from Duluth to San Diego takes 8h 22m
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 8h 22m 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
7.9
8,395 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
Poway
La Mesa
San Ysidro
Borrego Springs
Imperial Beach
Lemon Grove
Santee
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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