Flight deals from Duluth to San Diego

We've found these cheap flights for you. You can book one-way or return flight tickets.

Round-trip
One way

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Flight Information from Duluth to San Diego

Off-season travel month	May
Peak season for travel	March
Flight distance	2,630.47km
Popular airline	Delta Air Lines

Find the best time to fly from Duluth to San Diego

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Cheapest flights

From price

4 11
11 18
18 25
Jun

25 1
1 8
8 15
15 22
22 29
Jul

29 6
6 13
13 20
20 27

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

FAQ

When are flight tickets from Duluth (DLH) to San Diego (SAN) the cheapest?

Airlines adjust prices for flights from Duluth to San Diego based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the cheapest flight prices on Tuesdays, Wednesdays, and Saturdays.
How much are flights from Duluth (DLH) to San Diego (SAN) cost?

According to Trip.com's data, the lowest price is around £454.
How many airports in San Diego (SAN)?

There are 3 airport(s) in San Diego (SAN): McClellan-Palomar Airport, Miramar Naval Air Station and San Diego International Airport.

How to find a cheap flight from Duluth to San Diego

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Duluth to San Diego. Book your flights at the right time and save more.

Be flexible with your travel dates to get the cheapest flight from Duluth to San Diego.

Tap "Date" on the flight search bar to browse the calendar for Duluth to San Diego airfare over the next 6 months in 2025.

Compare cheap flight deals from Duluth to San Diego across hundreds of airlines.

Use our comprehensive search to compare fares from over 500 airlines and find the most affordable flight tickets from Duluth to San Diego.

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Book early or wait until the last minute.

It's usually best to book early. Flight tickets are often cheapest when they're first released, typically about a year before the departure date. So, have a look online as soon as the flights you're interested in become available. If you miss the cheapest time, you might still find some good deals as the departure date gets closer.

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For the best travel flight booking experience, download the Trip.com app. You can search for cheap flights from Duluth to San Diego and snag some exclusive deals just for you.