$298 Find Cheap Flights from Duluth to Puerto Rico

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Duluth to Puerto Rico departing on 10/28. 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 Puerto Rico

Travelers love KAYAK
41,299,237 searches in the past 7 days on KAYAK

Save 21% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Bundle and saveSave money when you bundle your flight + hotel.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Flight Deals
Booking Insights
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, Aug 11 - Wed, Aug 19
United Airlines Logo
6:23 pm - 3:42 pm
DLH
-
SJU
20h 19m
2 stops
United Airlines Logo
3:56 pm - 11:20 pm
SJU
-
DLH
8h 24m
1 stop
$795United Airlines
Sat, Aug 15 - Wed, Aug 19
United Airlines Logo
6:23 pm - 3:42 pm
DLH
-
SJU
20h 19m
2 stops
United Airlines Logo
3:56 pm - 11:20 pm
SJU
-
DLH
8h 24m
1 stop
$846United Airlines
Sat, Aug 15 - Wed, Aug 19
United Airlines Logo
6:23 pm - 2:44 pm
DLH
-
SJU
19h 21m
1 stop
United Airlines Logo
3:56 pm - 11:20 pm
SJU
-
DLH
8h 24m
1 stop
$864United Airlines
Mon, Aug 17 - Wed, Aug 19
United Airlines Logo
6:23 pm - 3:42 pm
DLH
-
SJU
20h 19m
2 stops
United Airlines Logo
3:56 pm - 11:20 pm
SJU
-
DLH
8h 24m
1 stop
$877United Airlines
Mon, Aug 17 - Wed, Aug 19
United Airlines Logo
6:23 pm - 2:44 pm
DLH
-
SJU
19h 21m
1 stop
United Airlines Logo
3:56 pm - 11:20 pm
SJU
-
DLH
8h 24m
1 stop
$895United Airlines
Tue, Aug 11 - Wed, Aug 19
United Airlines Logo
6:23 pm - 1:45 pm
DLH
-
SJU
18h 22m
2 stops
United Airlines Logo
7:00 am - 11:20 pm
SJU
-
DLH
17h 20m
2 stops
$905United Airlines
Tue, Aug 11 - Wed, Aug 19
United Airlines Logo
7:45 am - 2:44 pm
DLH
-
SJU
29h 59m
1 stop
United Airlines Logo
3:56 pm - 11:20 pm
SJU
-
DLH
8h 24m
1 stop
$919United Airlines
Sun, Aug 16 - Wed, Aug 19
United Airlines Logo
6:23 pm - 2:44 pm
DLH
-
SJU
19h 21m
1 stop
United Airlines Logo
3:56 pm - 11:20 pm
SJU
-
DLH
8h 24m
1 stop
$935United Airlines
Sat, Aug 15 - Wed, Aug 19
United Airlines Logo
7:45 am - 11:50 pm
DLH
-
SJU
15h 05m
2 stops
United Airlines Logo
7:00 am - 11:20 pm
SJU
-
DLH
17h 20m
2 stops
$942United Airlines
Tue, Jun 23 - Sat, Jun 27
United Airlines Logo
11:18 am - 11:50 pm
DLH
-
SJU
11h 32m
2 stops
United Airlines Logo
3:56 pm - 11:23 pm
SJU
-
DLH
8h 27m
1 stop
$957United 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 Luis Munoz Marin Intl Airport, which takes 11h 30m, and San Juan, which takes 11h 32m.

Good to know

Cheapest flight$298
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.
7.4
United AirlinesOverall score based on 9807 reviews
7.7Boarding
8.1Crew
7.3Comfort
7.1Entertainment
6.6Food
Airline reviews

I paid for a confirmed upgraded aisle seat and was moved to a center seat in the back of the plane at the last minute.

2.0 MediocreAnonymous, Jun 2026
SFO - HND
Read more United Airlines reviews

I paid for a confirmed upgraded aisle seat and was moved to a center seat in the back of the plane at the last minute.

Smooth travel. Immediate update prior flight delay so I can arrange myself properly without too rush.

Everything was the best it could be. Crew found me with pre- ordered food. Excellent experience!

Improve the food offerings and cabin seating. My wife would prefer to fly another airline, even with a connection for a more comfortable trip. A 737-8 should not be scheduled for a 6 hour segment, which turned into 7.5 hours due to the origin ground delay.

Packed flight, which makes it tough on crew and boarding staff (and the customers of course). But this was great boarding, clear instructions, etc. Traveling on the weekends are always fraught with danger as you have families and less frequent flyers thus more confusion. But this flight went as planned.

Destroyed my suitcase. Tired of talking about it. Cancelling my unite mileage plus account.

Read the fine print. This was my flight home. I booked my flight for the quickest way home. Had a carry-on and a personal item. Same as my outbound flight. Apparently I needed to pre-pay extra for my carry-on. When I checked in, I was told that I had to check it. I said I’ll pay for it, and was told that this wasn’t an option anymore. They said I still had to pay $50 to check my carry-on. I told them I’ll pay whatever to just carry it in as intended. I was not allowed, so eventually I paid $50 to check my carry-on under a plane that was half full, with overhead compartments that were even less full. My white carry-on suitcase was practically destroyed getting from Idaho falls to Denver to Orange County. The low price air fair was a bait and switch. Got me to the gate, made me pay extra, then didn’t even allow me to pay for a carry on. Not to mention that I paid the $8 for WiFi that didn’t work. All to get my suitcase destroyed. I don’t think I’m going to even keep my Untied mileage plus membership and card. Apparently, membership does not have its privileges for this one.

The flight was delayed, they didn’t even have water for the toilets or for drinks

Even through the flight was delayed due to storms near IAH The flight was great! The crew was so hospitable and professional

I flew from Santa Fe to Denver to catch a flight to London and the transfer of my luggage on arrival at Denver to the London flight worked perfectly. The crew on the ground and on board for the London flight were so friendly and efficient.

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

Information on your arrival and departure airports