$506 Find Cheap Flights from Duluth to Puerto Rico

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 Puerto Rico departing on 4/7. 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

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Flight Deals

Book Cheap Duluth to Puerto Rico Plane Tickets

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

Tue, Apr 7 - Mon, Apr 20
United Airlines Logo
7:45 am - 8:38 pm
DLH
-
SJU
11h 53m
2 stops
United Airlines Logo
1:00 am - 10:29 am
SJU
-
DLH
10h 29m
2 stops
$506United Airlines
Tue, Apr 7 - Mon, Apr 20
United Airlines Logo
11:19 am - 8:34 pm
DLH
-
SJU
8h 15m
1 stop
United Airlines Logo
1:00 am - 10:29 am
SJU
-
DLH
10h 29m
2 stops
$566United Airlines
Tue, May 5 - Thu, May 7
United Airlines Logo
11:14 am - 8:34 pm
DLH
-
SJU
8h 20m
1 stop
United Airlines Logo
7:40 am - 5:35 pm
SJU
-
DLH
10h 55m
1 stop
$626United Airlines
Tue, Apr 7 - Tue, Apr 21
United Airlines Logo
11:19 am - 8:34 pm
DLH
-
SJU
8h 15m
1 stop
United Airlines Logo
7:40 am - 2:27 pm
SJU
-
DLH
7h 47m
1 stop
$671United Airlines
Mon, Mar 23 - Fri, Mar 27
United Airlines Logo
11:20 am - 8:00 pm
DLH
-
SJU
7h 40m
1 stop
United Airlines Logo
7:30 am - 2:32 pm
SJU
-
DLH
8h 02m
1 stop
$846United Airlines
Wed, Mar 25 - Thu, Apr 2
United Airlines Logo
7:53 am - 8:26 pm
DLH
-
SJU
11h 33m
2 stops
United Airlines Logo
2:55 pm - 10:29 am
SJU
-
DLH
20h 34m
2 stops
$889United Airlines
Mon, Mar 23 - Fri, Mar 27
United Airlines Logo
6:43 pm - 9:22 pm
DLH
-
SJU
25h 39m
2 stops
United Airlines Logo
4:50 pm - 10:43 am
SJU
-
DLH
18h 53m
2 stops
$924United Airlines
Wed, Mar 25 - Thu, Apr 2
United Airlines Logo
11:20 am - 8:00 pm
DLH
-
SJU
7h 40m
1 stop
United Airlines Logo
7:40 am - 2:27 pm
SJU
-
DLH
7h 47m
1 stop
$937United Airlines
Booking Insights

KAYAK's insights & trends for Duluth to Puerto Rico flights

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

How long does a flight from Duluth to Puerto Rico take?

The duration of a flight to Puerto Rico depends on your arrival airport. The shortest routes to Puerto Rico from Duluth are to San Juan, which takes 8h 15m, and San Juan Luis Munoz Marin Intl Airport, which takes 30h 55m.

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Good to know

Cheapest flight$506
Flight from Duluth to San Juan

FAQs - booking Puerto Rico flights

  • How does KAYAK find such low prices on flights from Duluth to Puerto Rico?

    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 Puerto Rico.

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

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

    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 from Duluth to Puerto Rico with an airline and back with another airline.

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

    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 from Duluth to Puerto Rico 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 Puerto Rico

 
Need help choosing which airline to fly with from Duluth to Puerto Rico? 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
7.2Food
7.9Comfort
8.5Crew
8.1Boarding
7.8Entertainment
Airline reviews

Delta One is extraordinary. I fly business when somebody hires me. I just wonder why there is such a chasm between business class and the insanely inhumane and nonsensical coach. The seats are not large enough to fit even my tiny wife. We fly 10% of what we did because we don’t want to pay 5-10 k but for $400 it’s unbearable. It seems like the accountants took over and made stupid decisions. Screw in 20 extra seats and make it so unbearable that people fly 90% less. Just put the damn price up and put some proper chairs in. But business, yay.

10.0 ExcellentDr. Simon, Jan 2026
LAX - JFK
Read more Delta reviews

Delta One is extraordinary. I fly business when somebody hires me. I just wonder why there is such a chasm between business class and the insanely inhumane and nonsensical coach. The seats are not large enough to fit even my tiny wife. We fly 10% of what we did because we don’t want to pay 5-10 k but for $400 it’s unbearable. It seems like the accountants took over and made stupid decisions. Screw in 20 extra seats and make it so unbearable that people fly 90% less. Just put the damn price up and put some proper chairs in. But business, yay.

Timing, quality of service, promptness and courtesy of the staff

It was last minute due to weather - considering - it was amazing! Good smiles, friendly staff and they were making sure we knew what was going on when and where.

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

The flight was comfortable and uneventful, which is what I desire

The service from the flight attendants were of supreme quality. They greeted and treated everyone with a wide smile. This is totally absent nowadays. Kudos to them!!!!

Excellent flight and got us around tough weather. Only issue was seat TV did not work and crew tried to reboot.

Very large passenger too space from my own seat. Arm board couldn’t be lowered because of his size. It wads very uncomfortable trip, as the flight was full couldn’t move anywhere having back pain because of the position in which I was the entire flight.

was sitting in the jet bridge for 10 minutes in -20 degree weather waiting for my bag

Outdated equipment in disrepair, wifi inoperable. Broken seats, taped air vents, generally poor condition, the 717 showed its age and lack of upkeep.

Everything you need to know for your flight from Duluth to Puerto Rico

Information on your arrival and departure airports

Duluth (DLH)