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$605+ Cheap flights from Duluth (DLH) to Puerto Rico

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/8. Fares are subject to change and may not be available on all flights or dates of travel.
DLH — SJU
Jul 21 — Jul 281
Mon 7/21
Mon 7/28
1 adult, Economy
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Cheap flight deals from Duluth to Puerto Rico

Keep the following information in mind while searching for Duluth to Puerto Rico flight deals. Data was last updated July 16, 2025.

Round-trip from

$605
(United Airlines)
From Duluth Intl to Puerto Rico
Search Deals

Find flight deals from Duluth to Puerto Rico

Cheapest flights from Duluth to Puerto Rico
Explore the most affordable flight options available from Duluth to Puerto Rico. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 16, 2025.

This United Airlines deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/87:55 amDLH - SJU
2 stops14h 41mUnited Airlines
Tue 12/92:05 amSJU - DLH
2 stops14h 17mUnited Airlines
Deal found 7/14$605
This Delta deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/85:10 amDLH - SJU
2 stops10h 00mDelta
Wed 12/107:00 amSJU - DLH
2 stops10h 21mDelta
Deal found 7/14$694
This United Airlines deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/62:57 pmDLH - VQS
2 stops49h 03mUnited Airlines
Wed 12/108:45 amVQS - DLH
2 stops39h 14mUnited Airlines
Deal found 7/14$1,281

Cheapflights Fare Finder

Customize your flight search to find flights from Duluth to Puerto Rico that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 16, 2025.
Use the filters below to find and compare flights from Duluth to Puerto Rico that are best for you.

Fly from

Duluth

Fly to

Puerto Rico

Route

Depart

Return

Price

DuluthSan Juan

DLH - SJU

DLHSJU

Duluth Intl

Mon 12/8

7:55 am-12:36 am

2 stops14h 41m

San Juan Luis Munoz Marin Intl

Tue 12/9

2:05 am-2:22 pm

2 stops14h 17m

$605

DuluthSan Juan

DLH - SJU

DLHSJU

Duluth Intl

Mon 12/8

5:10 am-5:10 pm

2 stops10h 00m

San Juan Luis Munoz Marin Intl

Wed 12/10

7:00 am-3:21 pm

2 stops10h 21m

$694

DuluthVieques

DLH - VQS

DLHVQS

Duluth Intl

Sat 12/6

2:57 pm-6:00 pm

2 stops49h 03m

Vieques

Wed 12/10

8:45 am-9:59 pm

2 stops39h 14m

$1,281

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/14

Best time to book a flight from Duluth to Puerto Rico

Have a flexible travel schedule? Discover the best time to fly to Puerto Rico from Duluth with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Duluth to Puerto Rico
No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Puerto Rico

Get insights into the airlines that provide service to Puerto Rico. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Puerto Rico. Reviews last updated July 16, 2025.
Read through reviews of airlines operating flights from Duluth to Puerto Rico, such as Delta and United Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,957 reviews

Food

7.3

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,957 reviews
Delta
8.0
Very good
7,957 reviews

Food

7.3

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,863 reviews
Delta
8.0
Very good
7,957 reviews

Food

7.3

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Duluth to Puerto Rico. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Duluth to Puerto Rico?

    Duluth Intl (DLH) is the airport you will fly out of if you book a flight from Duluth to Puerto Rico. It is only a 5.8 mi journey to Duluth Intl (DLH) from Duluth’s city center.

  • Can I find deals for flights from Duluth to Puerto Rico that include hotel bookings?

    Yes. In addition to deals on Duluth to Puerto Rico flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Duluth to Puerto Rico?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Duluth to Puerto Rico.

  • Can I find deals for business class flights from Duluth to Puerto Rico?

    Yes. Cheapflights offers flight deals from Duluth to Puerto Rico by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Duluth to Puerto Rico?

    Currently, September is the cheapest month in which you can book a flight from Duluth to Puerto Rico (average of $254). Flying from Duluth to Puerto Rico in June is currently the most expensive (average of $339). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Duluth to Puerto Rico

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Duluth to Puerto Rico

Discover the top 2 airlines that operate flights from Duluth to Puerto Rico. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$394Average$809FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$544Average$949FlexibilityNo cancel feeOn-time69%

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