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?

The number of operators available for flights from Duluth Intl Airport to San Diego Airport is 1 as of December 2025.

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.

$125 Cheap Flights from Duluth to San Diego in 2025/26

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Find the cheapest flights from Duluth to San Diego

Round-trip

One-way

Cheap round-trip flights

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8:00 am - 1:48 pm

DLH

SAN

7h 48m1 stop

3:00 pm - 11:52 pm

SAN

DLH

6h 52m1 stop

$278Delta

Tue, Jan 27 - Tue, Feb 3

8:00 am - 1:48 pm

DLH

SAN

7h 48m1 stop

1:29 pm - 11:52 pm

SAN

DLH

8h 23m2 stops

$284Delta

Tue, Jan 27 - Tue, Feb 3

11:56 am - 10:31 pm

DLH

SAN

12h 35m2 stops

11:00 am - 11:52 pm

SAN

DLH

10h 52m2 stops

$289Delta

Tue, Jan 27 - Tue, Feb 3

4:14 pm - 8:53 pm

DLH

SAN

6h 39m1 stop

6:15 am - 3:32 pm

SAN

DLH

7h 17m1 stop

$303Delta

Wed, Feb 25 - Sun, Mar 1

4:14 pm - 11:04 pm

DLH

SAN

8h 50m2 stops

6:15 am - 3:32 pm

SAN

DLH

7h 17m1 stop

$309Delta

Wed, Feb 25 - Sun, Mar 1

4:14 pm - 8:53 pm

DLH

SAN

6h 39m1 stop

6:15 am - 3:32 pm

SAN

DLH

7h 17m1 stop

$343Delta

Wed, Feb 18 - Wed, Feb 25

11:20 am - 3:41 pm

DLH

SAN

30h 21m3 stops

6:10 pm - 10:43 am

SAN

DLH

14h 33m2 stops

$477United Airlines

Wed, Feb 25 - Sun, Mar 1

7:40 am - 3:36 pm

DLH

SAN

9h 56m1 stop

9:00 am - 9:59 pm

SAN

DLH

10h 59m2 stops

$489United Airlines

Tue, Jan 27 - Sat, Jan 31

7:40 am - 9:28 pm

DLH

SAN

15h 48m2 stops

8:10 am - 9:59 pm

SAN

DLH

11h 49m2 stops

$494United Airlines

Tue, Jan 27 - Sat, Jan 31

3:05 pm - 11:42 pm

DLH

SAN

10h 37m2 stops

10:26 am - 2:30 pm

SAN

DLH

26h 04m3 stops

$500United Airlines

Tue, Jan 27 - Tue, Feb 3

Delta flights from Duluth to San Diego

Our best Delta deals on Duluth to San Diego flight tickets

Delta

Jan 27

DLH8:00 amDuluth Intl

7h 48m

1 stop

SAN1:48 pmSan Diego

Jan 31

SAN3:00 pmSan Diego

6h 52m

1 stop

DLH11:52 pmDuluth Intl

$278

Find similar

Delta

Jan 27

DLH8:00 amDuluth Intl

10h 36m

2 stops

SAN4:36 pmSan Diego

Jan 31

SAN3:00 pmSan Diego

6h 52m

1 stop

DLH11:52 pmDuluth Intl

$284

Find similar

Delta

Jan 27

DLH8:00 amDuluth Intl

10h 36m

2 stops

SAN4:36 pmSan Diego

Jan 31

SAN10:00 pmSan Diego

11h 11m

2 stops

DLH11:11 amDuluth Intl

$289

Find similar

United Airlines flights from Duluth to San Diego

Our best United Airlines deals on Duluth to San Diego flight tickets

United Airlines

Feb 25

DLH11:20 amDuluth Intl

30h 21m

3 stops

SAN3:41 pmSan Diego

Mar 1

SAN6:10 pmSan Diego

14h 33m

2 stops

DLH10:43 amDuluth Intl

$477

Find similar

United Airlines

Jan 27

DLH7:40 amDuluth Intl

9h 56m

1 stop

SAN3:36 pmSan Diego

Jan 31

SAN9:00 amSan Diego

10h 59m

2 stops

DLH9:59 pmDuluth Intl

$489

Find similar

United Airlines

Jan 27

DLH7:40 amDuluth Intl

15h 48m

2 stops

SAN9:28 pmSan Diego

Jan 31

SAN8:10 amSan Diego

11h 49m

2 stops

DLH9:59 pmDuluth Intl

$494

Find similar

Fly from

Fly to

Route

Depart

Return

Price

DuluthSan Diego

DLH - SAN

DLHSAN

Duluth Intl

Tue 1/27

8:00 am-1:48 pm

1 stop7h 48m

San Diego

Tue 2/3

3:00 pm-11:52 pm

1 stop6h 52m

$278

DuluthSan Diego

DLH - SAN

DLHSAN

Duluth Intl

Tue 1/27

8:00 am-1:48 pm

1 stop7h 48m

San Diego

Tue 2/3

1:29 pm-11:52 pm

2 stops8h 23m

$284

DuluthSan Diego

DLH - SAN

DLHSAN

Duluth Intl

Tue 1/27

11:56 am-10:31 pm

2 stops12h 35m

San Diego

Tue 2/3

11:00 am-11:52 pm

2 stops10h 52m

$289

DuluthSan Diego

DLH - SAN

DLHSAN

Duluth Intl

Wed 2/25

4:14 pm-8:53 pm

1 stop6h 39m

San Diego

Sun 3/1

6:15 am-3:32 pm

1 stop7h 17m

$303

DuluthSan Diego

DLH - SAN

DLHSAN

Duluth Intl

Wed 2/25

4:14 pm-11:04 pm

2 stops8h 50m

San Diego

Sun 3/1

6:15 am-3:32 pm

1 stop7h 17m

$309

DuluthSan Diego

DLH - SAN

DLHSAN

Duluth Intl

Wed 2/18

4:14 pm-8:53 pm

1 stop6h 39m

San Diego

Wed 2/25

6:15 am-3:32 pm

1 stop7h 17m

$343

DuluthSan Diego

DLH - SAN

DLHSAN

Duluth Intl

Wed 2/25

11:20 am-3:41 pm

3 stops30h 21m

San Diego

Sun 3/1

6:10 pm-10:43 am

2 stops14h 33m

$477

DuluthSan Diego

DLH - SAN

DLHSAN

Duluth Intl

Tue 1/27

7:40 am-3:36 pm

1 stop9h 56m

San Diego

Sat 1/31

9:00 am-9:59 pm

2 stops10h 59m

$489

DuluthSan Diego

DLH - SAN

DLHSAN

Duluth Intl

Tue 1/27

7:40 am-9:28 pm

2 stops15h 48m

San Diego

Sat 1/31

8:10 am-9:59 pm

2 stops11h 49m

$494

DuluthSan Diego

DLH - SAN

DLHSAN

Duluth Intl

Tue 1/27

3:05 pm-11:42 pm

2 stops10h 37m

San Diego

Tue 2/3

10:26 am-2:30 pm

3 stops26h 04m

$500

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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 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

Fastest flight time	7h 48m
Direct flights	None

The fastest flight from Duluth to San Diego takes 7h 48m

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 39m 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?
The number of operators available for flights from Duluth Intl Airport to San Diego Airport is 1 as of December 2025.
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?
Based on momondo bookings for flights between Duluth and San Diego, the leading airline is Delta, making up 100% of the total bookings.

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
Delta	PriceFrom $278	Free Cancellation	Rating 7.9 8,011 reviews		Search Delta flights

Coronado

Chula Vista

El Cajon

Julian

National City

Imperial Beach

Poway

La Mesa

Borrego Springs

San Ysidro

Lemon Grove

Alpine

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.