SAN - DLH

$333 Find Cheap Flights from San Diego to Duluth

This is the cheapest round-trip flight price found by a KAYAK user in the last 72 hours by searching for a flight from San Diego to Duluth departing on 10/16. 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

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

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

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

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from San Diego to Duluth 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 San Diego to Duluth

Thu, Oct 16 - Sun, Oct 19
Delta Logo
4:35 pm - 11:42 pmSAN-DLH
5h 07m1 stop
Delta Logo
5:18 am - 10:47 amDLH-SAN
7h 29m1 stop
$333Delta
Find Deal
Fri, Oct 17 - Sun, Oct 19
Delta Logo
9:48 pm - 11:22 amSAN-DLH
11h 34m2 stops
Delta Logo
5:18 am - 10:47 amDLH-SAN
7h 29m1 stop
$339Delta
Find Deal
Fri, Oct 17 - Sun, Oct 19
Delta Logo
6:25 am - 3:30 pmSAN-DLH
7h 05m1 stop
Delta Logo
5:18 am - 10:47 amDLH-SAN
7h 29m1 stop
$358Delta
Find Deal
Tue, Sep 30 - Sat, Oct 4
United Airlines Logo
10:46 am - 10:08 pmSAN-DLH
9h 22m1 stop
United Airlines Logo
8:00 am - 3:50 pmDLH-SAN
9h 50m1 stop
$418United Airlines
Find Deal
Tue, Sep 30 - Sat, Oct 4
United Airlines Logo
10:15 am - 10:08 pmSAN-DLH
9h 53m2 stops
United Airlines Logo
8:00 am - 3:50 pmDLH-SAN
9h 50m1 stop
$424United Airlines
Find Deal
Tue, Sep 30 - Sat, Oct 4
United Airlines Logo
7:20 pm - 10:45 amSAN-DLH
13h 25m2 stops
United Airlines Logo
9:45 am - 6:29 pmDLH-SAN
10h 44m2 stops
$429United Airlines
Find Deal
Wed, Dec 24 - Mon, Dec 29
Delta Logo
11:50 am - 10:52 pmSAN-DLH
9h 02m1 stop
Delta Logo
11:55 am - 11:40 pmDLH-SAN
13h 45m1 stop
$463Delta
Find Deal
Thu, Oct 16 - Mon, Oct 20
Delta Logo
4:35 pm - 11:42 pmSAN-DLH
5h 07m1 stop
Delta Logo
4:10 pm - 8:34 pmDLH-SAN
6h 24m1 stop
$493Delta
Find Deal
Thu, Oct 16 - Sun, Oct 19
Delta Logo
4:35 pm - 11:42 pmSAN-DLH
5h 07m1 stop
Delta Logo
5:18 am - 2:11 pmDLH-SAN
10h 53m2 stops
$499Delta
Find Deal
Fri, Oct 17 - Sun, Oct 19
Delta Logo
9:48 pm - 11:22 amSAN-DLH
11h 34m2 stops
Delta Logo
5:18 am - 2:11 pmDLH-SAN
10h 53m2 stops
$504Delta
Find Deal

Everything you should know

Top airlines
Delta
Cheapest • from $333 (round-trip)
Delta
Best reviews • 7.9 score
Airline reviews
Airline reviews
+1
+1
Airline reviews
Airline reviews
+1
When to travel
March
Cheapest • 43% price drop
June
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
Cheapest round-trip
$333
Overall average: $506
Delta
Thu 10/16Sun 10/19
SAN - DLH • 1 stop
Cheapest one-way
$337
United Airlines
Thu 10/16
SAN - DLH • 1 stop
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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 Duluth!
Booking Insights

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

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

What’s the cheapest day of the week to fly from San Diego to Duluth?

The average price of all round-trip flights from San Diego to Duluth clicked on KAYAK for each day over the last 12 months.

When flying from San Diego to Duluth, you should consider leaving on a Tuesday and avoid Sundays if you are looking for the best rates. For your return to San Diego, you’ll find the best rates on Fridays and the most expensive ones on Thursdays.

What is the cheapest month to fly from San Diego to Duluth?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from San Diego to Duluth, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from San Diego to Duluth is March, where tickets cost $278 (return) on average. On the other hand, the most expensive months are August and December, where the average cost of round-trip tickets is $692 and $658 respectively.

Good to know

Low seasonJanuary
Cheapest flight$333
Best time to beat the crowds but there is an average 8% increase in price.
Most popular time to fly and prices are also 17% lower on average.
Flight from San Diego to Duluth

When to book flights from San Diego to Duluth

Are your dates flexible? Find out the best times to travel from San Diego to Duluth 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 San Diego to Duluth

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

    In the last 3 days, the lowest price for a flight from San Diego to Duluth was $337 for a one-way ticket and $333 for a round-trip.

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

    A passport is not required to fly from San Diego to Duluth.

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

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

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

    Star Alliance, and SkyTeam are the airline alliances operating flights between San Diego and Duluth, with SkyTeam being the most commonly used for this route.

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

    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 San Diego to Duluth.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Duluth from San Diego 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 San Diego to Duluth?

    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 Duluth with an airline and back to San Diego with another airline. Booking your flights between San Diego and DLH 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 San Diego to Duluth?

    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 Duluth from San Diego 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 San Diego to Duluth

 
See real verified KAYAK customer reviews for airlines flying from San Diego to Duluth. 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 San Diego to Duluth? 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 7957 reviews
7.9Comfort
7.3Food
7.9Entertainment
8.5Crew
8.2Boarding
Airline reviews

The staff and the boarding procedure were all amazing . The one flight was not equipped with WIFI which now adays seems odd. All in all the experience was good

8.0 ExcellentAnonymous, Sep 2025GFK - MSP
Read more Delta reviews

The staff and the boarding procedure were all amazing . The one flight was not equipped with WIFI which now adays seems odd. All in all the experience was good

Flight delayed for two and half hours and then canceled altogether due to mechanical issues. No mechanic onsite to fix so had to send one from LAX.

Mechanic delay in addition to a 2 hour change in takeoff time was frustrating.

No one fussed at me about my pap machine as a 3rd pice on the plane. Boarding was pleasant and smooth. The boarding agent in Anchorage was a fun character- he could be in a movie. :~) The on-board crew were downright pleasant. No militant attitudes on Delta. Like all planes these days the seats are too narrow for standard Americans and at 5’2” there is barely enough leg room. I don’t know how tall people fold themselves into the seats. But that’s nothing specific to Delta

My husband upgraded our seats and I don't know if it was due to the type of planet was or if they didn't upgrade our seats. We were supposed to be in I believe comfort seats and they were just as tight as any other seat- no leg room and we are very tall people but at least it wasn't extremely cold. My husband did put in a complaint about our seating because he paid extra and if we would have known that the space and the tightness would have been the same, we just would have gotten the emergency row emergency row seats that we normally get. We love Delta but both our flights coming home we're not good. Oh I forgot to mention that on our flight to Hawaii our luggage wheels got broke and we had to purse new luggage on vacation then we never had this problem so we didn't know protocol and reported it after we got home only for them to tell is we only had 24hrs to report the damage. Not sure what was going on with Delta this vacation trip.

Crew was excellent. Comfort seats not as nice as other kinds of planes.

Most aspects were good however if they assign boarding zones they ought to enforce them or why bother? My luggage from SAN-JFK-MAD was lost in NY so I without my main bag for two days upon arrival in Spain. They were helpful in tracking it and eventually delivered it to my hotel. The flub was because of a delay upon arrival in NYC. I had booked 2 1/2 hours between flights but we had to hold on the taxiway for an hour after landing while waiting for a clear gate which likely caused the baggage error.

Excellent flight, the planes were newer, they did a nice job with boarding, great service overall.

Delta is a premier airline so my expectations are most always met.

Everything was good except when we're on a 6 hour flight at dinner time and all they offer as part of the fare are little bags of junk food, it's disappointing. Bring back food service without an added price.

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

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