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Cheap flights from Duluth to San Diego from $278

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 10/25. 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 (DLH-SAN)

Cheap round-trip flights

Delta Logo
7:50 am - 12:55 pmDLH-SAN
7h 05m1 stop
Delta Logo
1:45 pm - 10:43 pmSAN-DLH
6h 58m1 stop
$278Delta
Find Deal
Sat, Oct 25 - Sat, Nov 1
Delta Logo
12:02 pm - 10:31 pmDLH-SAN
12h 29m2 stops
Delta Logo
1:45 pm - 10:43 pmSAN-DLH
6h 58m1 stop
$284Delta
Find Deal
Sat, Oct 25 - Sat, Nov 1
Delta Logo
12:02 pm - 10:31 pmDLH-SAN
12h 29m2 stops
Delta Logo
11:44 am - 10:43 pmSAN-DLH
8h 59m2 stops
$314Delta
Find Deal
Sat, Oct 25 - Sat, Nov 1
Delta Logo
7:50 am - 12:55 pmDLH-SAN
7h 05m1 stop
Delta Logo
4:30 pm - 11:44 pmSAN-DLH
5h 14m1 stop
$393Delta
Find Deal
Thu, Nov 6 - Thu, Nov 13
Delta Logo
5:18 am - 12:10 pmDLH-SAN
8h 52m2 stops
Delta Logo
4:30 pm - 11:44 pmSAN-DLH
5h 14m1 stop
$399Delta
Find Deal
Thu, Nov 6 - Thu, Nov 13
Delta Logo
5:18 am - 12:10 pmDLH-SAN
8h 52m2 stops
Delta Logo
10:30 pm - 11:03 amSAN-DLH
10h 33m2 stops
$519Delta
Find Deal
Thu, Nov 6 - Thu, Nov 13
United Airlines Logo
9:45 am - 9:40 amDLH-SAN
25h 55m1 stop
United Airlines Logo
8:39 pm - 10:08 pmSAN-DLH
23h 29m2 stops
$630United Airlines
Find Deal
Thu, Oct 16 - Sun, Oct 19
United Airlines Logo
9:45 am - 9:40 amDLH-SAN
25h 55m1 stop
United Airlines Logo
10:30 pm - 10:08 pmSAN-DLH
21h 38m1 stop
$680United Airlines
Find Deal
Thu, Oct 16 - Sun, Oct 19
United Airlines Logo
9:45 am - 11:41 pmDLH-SAN
15h 56m2 stops
United Airlines Logo
8:39 pm - 10:08 pmSAN-DLH
23h 29m2 stops
$695United Airlines
Find Deal
Thu, Oct 16 - Sun, Oct 19
United Airlines Logo
8:00 am - 12:15 amDLH-SAN
18h 15m3 stops
United Airlines Logo
8:39 pm - 10:08 pmSAN-DLH
23h 29m2 stops
$769United Airlines
Find Deal
Thu, Oct 16 - Sun, Oct 19

Delta flights from Duluth to San Diego

Our best Delta deals on Duluth to San Diego flight tickets
Delta
Oct 25
DLH7:50 amDuluth Intl
7h 05m
1 stop
SAN12:55 pmSan Diego
Nov 1
SAN1:45 pmSan Diego
6h 58m
1 stop
DLH10:43 pmDuluth Intl
$278
Find similar
Delta
Oct 25
DLH12:02 pmDuluth Intl
12h 29m
2 stops
SAN10:31 pmSan Diego
Nov 1
SAN1:45 pmSan Diego
6h 58m
1 stop
DLH10:43 pmDuluth Intl
$284
Find similar
Delta
Oct 25
DLH12:02 pmDuluth Intl
12h 29m
2 stops
SAN10:31 pmSan Diego
Nov 1
SAN11:44 amSan Diego
8h 59m
2 stops
DLH10:43 pmDuluth Intl
$314
Find similar

United Airlines flights from Duluth to San Diego

Our best United Airlines deals on Duluth to San Diego flight tickets
United Airlines
Oct 16
DLH9:45 amDuluth Intl
25h 55m
1 stop
SAN9:40 amSan Diego
Oct 19
SAN8:39 pmSan Diego
23h 29m
2 stops
DLH10:08 pmDuluth Intl
$630
Find similar
United Airlines
Oct 16
DLH9:45 amDuluth Intl
25h 55m
1 stop
SAN9:40 amSan Diego
Oct 19
SAN10:30 pmSan Diego
21h 38m
1 stop
DLH10:08 pmDuluth Intl
$680
Find similar
United Airlines
Oct 16
DLH9:45 amDuluth Intl
15h 56m
2 stops
SAN11:41 pmSan Diego
Oct 19
SAN8:39 pmSan Diego
23h 29m
2 stops
DLH10:08 pmDuluth Intl
$695
Find similar

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 August 14, 2025.
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

DuluthSan Diego

DLH - SAN

DLHSAN

Duluth Intl

Sat 10/25

7:50 am-12:55 pm

1 stop7h 05m

San Diego

Sat 11/1

1:45 pm-10:43 pm

1 stop6h 58m

$278

DuluthSan Diego

DLH - SAN

DLHSAN

Duluth Intl

Sat 10/25

12:02 pm-10:31 pm

2 stops12h 29m

San Diego

Sat 11/1

1:45 pm-10:43 pm

1 stop6h 58m

$284

DuluthSan Diego

DLH - SAN

DLHSAN

Duluth Intl

Sat 10/25

12:02 pm-10:31 pm

2 stops12h 29m

San Diego

Sat 11/1

11:44 am-10:43 pm

2 stops8h 59m

$314

DuluthSan Diego

DLH - SAN

DLHSAN

Duluth Intl

Thu 11/6

7:50 am-12:55 pm

1 stop7h 05m

San Diego

Thu 11/13

4:30 pm-11:44 pm

1 stop5h 14m

$393

DuluthSan Diego

DLH - SAN

DLHSAN

Duluth Intl

Thu 11/6

5:18 am-12:10 pm

2 stops8h 52m

San Diego

Thu 11/13

4:30 pm-11:44 pm

1 stop5h 14m

$399

DuluthSan Diego

DLH - SAN

DLHSAN

Duluth Intl

Thu 11/6

5:18 am-12:10 pm

2 stops8h 52m

San Diego

Thu 11/13

10:30 pm-11:03 am

2 stops10h 33m

$519

DuluthSan Diego

DLH - SAN

DLHSAN

Duluth Intl

Thu 10/16

9:45 am-9:40 am

1 stop25h 55m

San Diego

Sun 10/19

8:39 pm-10:08 pm

2 stops23h 29m

$630

DuluthSan Diego

DLH - SAN

DLHSAN

Duluth Intl

Thu 10/16

9:45 am-9:40 am

1 stop25h 55m

San Diego

Sun 10/19

10:30 pm-10:08 pm

1 stop21h 38m

$680

DuluthSan Diego

DLH - SAN

DLHSAN

Duluth Intl

Thu 10/16

9:45 am-11:41 pm

2 stops15h 56m

San Diego

Sun 10/19

8:39 pm-10:08 pm

2 stops23h 29m

$695

DuluthSan Diego

DLH - SAN

DLHSAN

Duluth Intl

Thu 10/16

8:00 am-12:15 am

3 stops18h 15m

San Diego

Sun 10/19

8:39 pm-10:08 pm

2 stops23h 29m

$769

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest first
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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 January, then departing from Duluth during the month February is also very affordable. Most momondo users find prices during this month for around $278.

What is the cheapest day to depart on your flight to San Diego?

The cheapest day to depart from Duluth to San Diego is on a Friday. Travelers who choose to depart for San Diego on a Friday will often find tickets for as low as $362. If your travel schedule is flexible, try to avoid departing on a Thursday because tickets tend to average around $498. These prices are subject to change though, so be sure to set up a Price Alert for flights to San Diego.

What is the cheapest time of day to depart on your flight to San Diego?

The cheapest time of day to fly to San Diego is in the morning when flights can be purchased for as low as $409. Flights at noon are often more expensive with an average ticket price of $427.

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

Best Price Found

$409

Fastest flight time

6h 25m

Direct flights

None

Airports in San Diego

1 airport
The best one-way flight to San Diego from Duluth in the past 72 hours is $409. The best round-trip flight deal from Duluth to San Diego found on momondo in the last 72 hours is $278.
The fastest flight from Duluth to San Diego takes 6h 25m
There are no direct flights from Duluth to San Diego. Popular non-direct route for this connection is Duluth Intl Airport - San Diego Airport.
There is 1 airport near San Diego: San Diego (SAN)
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 7h 05m 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 $278Free CancellationRating
8.0
7,982 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
La Mesa
Imperial Beach
Poway
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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