$495 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 2/1. 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

Sun, Feb 1 - Wed, Feb 25
United Airlines Logo
3:05 pm - 6:11 amDLH-SJU
13h 06m2 stops
United Airlines Logo
8:35 am - 2:37 pmSJU-DLH
8h 02m1 stop
$495United Airlines
Find Deal
Sun, Feb 1 - Tue, Feb 24
United Airlines Logo
3:05 pm - 6:11 amDLH-SJU
13h 06m2 stops
United Airlines Logo
2:05 am - 2:37 pmSJU-DLH
14h 32m2 stops
$549United Airlines
Find Deal
Sun, Feb 1 - Tue, Feb 24
United Airlines Logo
7:40 am - 10:22 pmDLH-SJU
12h 42m2 stops
United Airlines Logo
2:05 am - 2:37 pmSJU-DLH
14h 32m2 stops
$590United Airlines
Find Deal
Sun, Feb 1 - Wed, Feb 25
United Airlines Logo
7:40 am - 10:22 pmDLH-SJU
12h 42m3 stops
United Airlines Logo
8:35 am - 2:37 pmSJU-DLH
8h 02m1 stop
$612United Airlines
Find Deal
Fri, Feb 6 - Tue, Feb 24
United Airlines Logo
7:40 am - 9:00 pmDLH-SJU
11h 20m1 stop
United Airlines Logo
3:46 pm - 10:43 amSJU-DLH
20h 57m2 stops
$651United Airlines
Find Deal
Fri, Feb 6 - Tue, Feb 24
United Airlines Logo
3:05 pm - 6:11 amDLH-SJU
13h 06m2 stops
United Airlines Logo
8:35 am - 2:37 pmSJU-DLH
8h 02m1 stop
$654United Airlines
Find Deal
Fri, Feb 6 - Tue, Feb 24
United Airlines Logo
7:40 am - 9:00 pmDLH-SJU
11h 20m1 stop
United Airlines Logo
4:52 pm - 10:43 amSJU-DLH
19h 51m1 stop
$658United Airlines
Find Deal
Sun, Feb 1 - Fri, Feb 27
United Airlines Logo
3:05 pm - 6:11 amDLH-SJU
13h 06m2 stops
United Airlines Logo
2:05 am - 9:59 pmSJU-DLH
21h 54m2 stops
$660United Airlines
Find Deal
Sun, Dec 7 - Wed, Dec 10
Delta Logo
5:00 am - 5:20 pmDLH-SJU
10h 20m2 stops
Delta Logo
7:00 am - 7:35 pmSJU-DLH
14h 35m2 stops
$729Delta
Find Deal
Wed, Dec 10 - Sat, Dec 13
Delta Logo
5:00 am - 5:20 pmDLH-SJU
10h 20m2 stops
Delta Logo
4:55 pm - 11:59 pmSJU-DLH
9h 04m1 stop
$795Delta
Find Deal
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 $394.

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 ($495) and Delta ($729).

Good to know

Cheapest flight$495
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.

  • 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 7994 reviews
8.5Crew
7.9Comfort
8.2Boarding
7.3Food
7.9Entertainment
Airline reviews

The customer service before board was very rude and when I expressed my concerns about making the connecting flight she laughed and told me I bought the wrong ticket. I explained once it showed the flight was delayed it no longer let me change seats or anything. I was trying to upgrade to make sure I would get to the next gate on time.

4.0 OkayHeather, Oct 2025ANC - SEA
Read more Delta reviews

The customer service before board was very rude and when I expressed my concerns about making the connecting flight she laughed and told me I bought the wrong ticket. I explained once it showed the flight was delayed it no longer let me change seats or anything. I was trying to upgrade to make sure I would get to the next gate on time.

Non stop on long haul is the way to go. Great experience

The aircraft interior is old and tired on this aircraft. The entertainment system never worked despite the crews attempt to reset the system.

The flight used a B767 with a very old interior from before 2014. The entertainment system did not work at all during the flight despite attempts to reset the system. It was like they flew this route just to be competitive.

Old plane and old configuration/seats but still comfortable for a morning flight

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.

Flight was crowded and the woman sitting on my left was large & kept crouching in to my space. You need bigger seats or smaller passengers to fit into the seats you DO have! Snack were OK. Would appreciate if airlines had more savory rather than sweet snacks, thank you!

Delayed flight (1hour) plus a long layover after an overnight flight with no backup plane available.

We were delayed, which I think had to do with air traffic control. Otherwise, everything was great.

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

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