$483 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 3/18. 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

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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

Wed, Mar 18 - Tue, Apr 21
United Airlines Logo
11:20 am - 8:00 pm
DLH
-
SJU
7h 40m1 stop
United Airlines Logo
1:00 am - 10:44 am
SJU
-
DLH
10h 44m2 stops
$483United Airlines
Sun, Feb 1 - Wed, Feb 25
Delta Logo
5:00 am - 3:18 pm
DLH
-
SJU
8h 18m1 stop
Delta Logo
6:15 am - 3:32 pm
SJU
-
DLH
11h 17m2 stops
$570Delta
Sun, Feb 1 - Tue, Feb 24
United Airlines Logo
3:05 pm - 6:11 am
DLH
-
SJU
13h 06m2 stops
United Airlines Logo
2:05 am - 2:37 pm
SJU
-
DLH
14h 32m2 stops
$590United Airlines
Wed, Mar 18 - Tue, Apr 21
United Airlines Logo
11:20 am - 8:00 pm
DLH
-
SJU
7h 40m1 stop
United Airlines Logo
1:00 am - 10:44 am
SJU
-
DLH
10h 44m2 stops
$598United Airlines
Sun, Feb 1 - Fri, Feb 27
United Airlines Logo
3:05 pm - 6:11 am
DLH
-
SJU
13h 06m2 stops
United Airlines Logo
2:05 am - 9:59 pm
SJU
-
DLH
21h 54m2 stops
$688United Airlines
Sun, Feb 1 - Fri, Feb 27
United Airlines Logo
3:05 pm - 6:11 am
DLH
-
SJU
13h 06m2 stops
United Airlines Logo
2:05 am - 9:59 pm
SJU
-
DLH
21h 54m2 stops
$715United Airlines
Sun, Feb 1 - Sat, Feb 28
United Airlines Logo
7:40 am - 10:22 pm
DLH
-
SJU
12h 42m2 stops
United Airlines Logo
8:35 am - 9:59 pm
SJU
-
DLH
15h 24m1 stop
$718United Airlines
Sun, Feb 1 - Tue, Feb 24
United Airlines Logo
3:05 pm - 6:25 pm
DLH
-
SJU
25h 20m3 stops
United Airlines Logo
2:05 am - 2:37 pm
SJU
-
DLH
14h 32m2 stops
$730United Airlines
Sun, Feb 1 - Wed, Feb 25
United Airlines Logo
3:05 pm - 3:40 pm
DLH
-
SJU
22h 35m1 stop
United Airlines Logo
8:35 am - 2:37 pm
SJU
-
DLH
8h 02m1 stop
$759United Airlines
Sun, Feb 1 - Sat, Feb 28
United Airlines Logo
7:40 am - 10:22 pm
DLH
-
SJU
12h 42m2 stops
United Airlines Logo
8:35 am - 9:59 pm
SJU
-
DLH
15h 24m1 stop
$760United 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.

Which airlines fly non-stop between Duluth and Puerto Rico?

Airline and price data is aggregated from results in KAYAK’s search results from the last 2 weeks for round-trip flights from Duluth to Puerto Rico.

There is just one airline that flies from Duluth to Puerto Rico direct and that is Delta. The best round-trip deal found from Delta for the route is to San Juan Luis Munoz Marin Intl Airport (SJU) and costs $435.

Which airlines provide the cheapest flights from Duluth to Puerto Rico?

The cheapest round-trip price for the route for each airline clicked by KAYAK users in the last 72 hours.

In the past 3 days, the cheapest round-trip tickets from Duluth to Puerto Rico were found on United Airlines ($483) and Delta ($570).

Good to know

Cheapest flight$483
Flight from Duluth to San Juan Airport

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.

  • What is the cheapest time of day to fly to Puerto Rico?

    The cheapest time of day to fly to Puerto Rico is generally in the morning, when round-trip flights cost $830 on average. The most expensive time of day to fly to Puerto Rico is generally in the morning, which is peak travel time and where the average cost of a ticket is $830.

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 8011 reviews
8.1Boarding
7.9Comfort
7.3Food
8.5Crew
7.9Entertainment
Airline reviews

Left on time, a bit delayed due to headwinds most of the trip.

10.0 ExcellentCharles, Dec 2025
DTW - PHX
Read more Delta reviews

Left on time, a bit delayed due to headwinds most of the trip.

I fly Delta all the time, have Platinum Medallion status. But this route seems to have major problems with delays and seems to never leave on time! Have only taken it twice in the last two weeks, and each time it had delays of more than 1 hour... very disappointed!!!!

Getting to the flight was arduous and lengthy. The flight itself was good but the food option wasn’t a good selection. I need to do a Kosher option on my return. Flight crew were nice

Good seats in Main cabin, excellent service and excellent landing

My flight was cancelled with no explanation after I had already cleared security. I was given 4 options to rebook, only one being non-stop like I had paid for. I grabbed it. It was 4 plus hours later and then took off even later. Biggest complaint is that I booked early and had an aisle seat. They gave me a "window" seat in front of the exit row, so the seat did not decline. I weigh all of 103 #s and it was tight for me! For what I paid, I feel I was kind of ripped off. I think they should have given me the empty comfort seat for the inconvenience. There was no apology nor any explanation as to why the flight was cancelled. My guess is it benefitted Delta in some way.

Very smooth, on-time, and pleasantly uneventful flight. The team at the gate and on board were professional and genuinely courteous. The pilot kept us well updated throughout, and both takeoff and landing were steady and enjoyable without any drama. Just a good, solid flight. Thank you! 💗

Staff was exceptional! Everyone was kind, professional and friendly making the trip very pleasant. Thank you!

No lunch on a x-country flight scheduled for 10:50 am departure, arrived 5+ hrs later. That requires a black box label before you pay for the tickets. Worst, when I checked in online, it's specifically said that lunch was served on his flight for economy Plus passengers.

We had a lot of really rough weather but that was not Delta's fault. Pilot was amazing.

First, Delta needs more flights to/from Miami. Second, a 1000pm leaving at 1230pm is unacceptable from their biggest airport world hub. Another aircraft could have been used such as the aircraft scheduled to be used in the morning for that exact same route. Yes, I did get me there but the lack of sleep the next day didn't help me enjoy my entire trip since I was busy with activities during the weekend. This can be and is expected from Spirit (going bankrupt) and Frontier (despite they're nickel and dimers). But from Delta's World Hub? That's totally unacceptable!

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

Information on your arrival and departure airports