DLH - SAN

$304 Find Cheap Flights from Duluth to San Diego

This is the cheapest round-trip flight price found by a KAYAK user in the last 72 hours by searching for a flight from Duluth to San Diego departing on 4/18. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to San Diego

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Duluth to San Diego, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Duluth to San Diego, as well as popular online travel agencies
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Everything you should know

Cheapest round-trip
$304
Typical prices: $278-$364
United Airlines
Sat 4/18Thu 4/23
DLH - SAN • 1 stop
Cheapest one-way
Multiple Airlines
Fri 1/30
DLH - SAN • multi-stop
Top airlines
United Airlines
Cheapest • from $304 (round-trip)
Delta
Best reviews • 7.9 score
Airline reviews
Airline reviews
+1
+1
Airline reviews
Airline reviews
+1
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KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to San Diego!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Duluth to San Diego (DLH-SAN)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Duluth to San Diego that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Duluth to San Diego

Sat, Apr 18 - Thu, Apr 23
United Airlines Logo
7:45 am - 3:33 pm
DLH
-
SAN
9h 48m
1 stop
United Airlines Logo
8:39 pm - 10:29 am
SAN
-
DLH
11h 50m
2 stops
$304United Airlines
Sat, Apr 18 - Thu, Apr 23
United Airlines Logo
7:45 am - 5:16 pm
DLH
-
SAN
11h 31m
2 stops
United Airlines Logo
9:45 pm - 10:29 am
SAN
-
DLH
10h 44m
2 stops
$309United Airlines
Thu, Apr 2 - Mon, Apr 6
United Airlines Logo
3:08 pm - 10:59 pm
DLH
-
SAN
9h 51m
1 stop
United Airlines Logo
8:39 pm - 10:29 am
SAN
-
DLH
11h 50m
2 stops
$329United Airlines
Thu, Apr 2 - Mon, Apr 6
United Airlines Logo
11:19 am - 8:12 pm
DLH
-
SAN
10h 53m
2 stops
United Airlines Logo
8:39 pm - 10:29 am
SAN
-
DLH
11h 50m
2 stops
$334United Airlines
Sat, Apr 11 - Wed, Apr 15
United Airlines Logo
3:08 pm - 11:59 pm
DLH
-
SAN
10h 51m
2 stops
United Airlines Logo
9:45 pm - 10:29 am
SAN
-
DLH
10h 44m
2 stops
$355United Airlines
Sat, Apr 11 - Wed, Apr 15
Delta Logo
4:32 pm - 8:45 pm
DLH
-
SAN
6h 13m
1 stop
Delta Logo
11:58 am - 7:57 pm
SAN
-
DLH
5h 59m
1 stop
$358Delta
Thu, Apr 2 - Mon, Apr 6
Delta Logo
4:32 pm - 11:40 pm
DLH
-
SAN
9h 08m
1 stop
Delta Logo
10:10 pm - 11:56 am
SAN
-
DLH
11h 46m
2 stops
$364Delta
Thu, Mar 19 - Tue, Mar 24
Delta Logo
12:37 pm - 6:50 pm
DLH
-
SAN
8h 13m
2 stops
Delta Logo
10:30 pm - 11:56 am
SAN
-
DLH
11h 26m
2 stops
$369Delta
Sat, Feb 14 - Tue, Feb 17
United Airlines Logo
3:19 pm - 11:40 pm
DLH
-
SAN
10h 21m
2 stops
United Airlines Logo
7:50 pm - 10:43 am
SAN
-
DLH
12h 53m
2 stops
$376United Airlines
Wed, Mar 4 - Sun, Mar 8
United Airlines Logo
7:50 am - 5:29 pm
DLH
-
SAN
11h 39m
2 stops
United Airlines Logo
8:50 pm - 10:43 am
SAN
-
DLH
11h 53m
2 stops
$380United Airlines
Booking Insights

KAYAK's insights & trends for Duluth to San Diego flights

Get data-powered insights and trends into flights from Duluth to San Diego to help you find the cheapest flights, the best time to fly and much more.

How much is a round-trip flight from Duluth to San Diego?

This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Duluth to San Diego departing in April.
Find deals

Good to know

Low seasonDecember
Cheapest flight$304
Best time to beat the crowds with an average 47% drop in price.
Most popular time to fly and prices are also 27% lower on average.
Flight from Duluth to San Diego

When to book flights from Duluth to San Diego

Are your dates flexible? Find out the best times to travel from Duluth to San Diego based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Duluth to San Diego

  • What is the cheapest flight from Duluth to San Diego?

    In the last 3 days, the lowest price for a flight from Duluth to San Diego was $304 for a round-trip ticket.

  • Do I need a passport to fly between Duluth and San Diego?

    No, a passport isn't needed to fly from Duluth to San Diego. However, local authorities might ask for an official ID.

  • Which aircraft models fly most regularly from Duluth to San Diego?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Duluth to San Diego?

    SkyTeam is the only airline alliance operating flights between Duluth and San Diego.

  • How does KAYAK find such low prices on flights from Duluth to San Diego?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Duluth to San Diego.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Duluth to San Diego?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to San Diego from Duluth is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Duluth to San Diego?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to San Diego with an airline and back to Duluth with another airline. Booking your flights between Duluth and SAN can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Duluth to San Diego?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to San Diego from Duluth up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Reviews of the top airline flying from Duluth to San Diego

 
See real verified KAYAK customer reviews for airlines flying from Duluth to San Diego. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Duluth to San Diego? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.9
DeltaOverall score based on 8125 reviews
7.8Entertainment
7.2Food
8.1Boarding
7.9Comfort
8.5Crew
Airline reviews

delta last minute gave me a boarding pass for a different flight with no confirmation that they were changing it

2.0 MediocreJulia, Jan 2026
MSP - BOS
Read more Delta reviews

delta last minute gave me a boarding pass for a different flight with no confirmation that they were changing it

I usually get upgraded so my experience is usually amazing. I did not get upgraded this time - which was fine - but the wifi had issues, the monitors were going in & out, & (though not Delta's fault) one of the gentlemen next to me desperately needed a shower.

I really liked the legroom. I am 6’4”.a at For some reason our seats were not together and using the app to fix it didn’t work. Passengers were nice enough to move for us but you should absolutely ensure a parent sits with their child.

Staff were friendly and happy. Delta could make sure passengers that don't have the app know of changes. Without Kayak I would not have known about the change of gate or the delay. Kayak was faster to notify me.

They changed planes and the new plane couldn’t carry enough fuel to fly across the country so we had to stop in Kansas City to refuel. Flight was delayed .

Flight was too crowded and seats are too small, especially since passengrs are getting larger. Having a middle seat is ALWAYS tough! Woman on my left was large & kept creeping in to my space. Flight personnel were great! Have more savory rather than sweet snacks please.

The crew took good care of us. The flight from ATL to SFO is a longer one, and there were multiple beverage offerings. I like the 757's that Delta uses. Good airplane that is comfortable. I do wish Delta would separate Priority boarding from the better seats. I would gladly take a smaller seat in an open row than be jammed into Comfort just to get priority boarding, just to make sure I don't have to check a bag.

Gate agent rushed to fill hot jetway with crowd so it took over 12 minutes to go from gate to plane. Just like a discount airline Pooly prepared cabin and third time that claim of rough air prevented any cabin service. Friends on a Southwest flight at similar time had service.

I was uncomfortably cold on the plane. Other than that it was uneventful and therefore as enjoyable as a plane ride can be.

Food was surprisingly good but the WiFi was not great

Everything you need to know for your flight from Duluth to San Diego

Information on your arrival and departure airports

Duluth (DLH)
San Diego (SAN)