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San Juan

$510+ Cheap flights from Duluth (DLH) to San Juan

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 2/3. Fares are subject to change and may not be available on all flights or dates of travel.
DLH — SJU
Jan 14 — Jan 211
Wed 1/14
Wed 1/21
1 adult, Economy
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Cheap flight deals from Duluth to San Juan

Best flights from Duluth to San Juan
Discover carefully curated flight deals from Duluth to San Juan that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 15, 2025.

This Delta deal was found by Cheapflights users on 12/12. 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.
Tue 2/35:00 amDLH - SJU
2 stops9h 50mDelta
Wed 2/114:30 pmSJU - DLH
1 stop9h 22mDelta
Deal found 12/12$510
This United Airlines deal was found by Cheapflights users on 12/13. 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.
Sun 2/13:05 pmDLH - SJU
2 stops13h 06mUnited Airlines
Tue 2/242:05 amSJU - DLH
2 stops14h 32mUnited Airlines
Deal found 12/13$530
This United Airlines deal was found by Cheapflights users on 12/12. 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.
Wed 2/47:50 amDLH - SJU
2 stops11h 36mUnited Airlines
Wed 2/112:05 amSJU - DLH
2 stops14h 32mUnited Airlines
Deal found 12/12$530
This United Airlines deal was found by Cheapflights users on 12/12. 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.
Sun 2/13:05 pmDLH - SJU
2 stops13h 06mUnited Airlines
Wed 2/112:05 amSJU - DLH
2 stops14h 32mUnited Airlines
Deal found 12/12$530
This Delta deal was found by Cheapflights users on 12/12. 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.
Sun 2/15:00 amDLH - SJU
1 stop8h 18mDelta
Wed 2/114:30 pmSJU - DLH
1 stop9h 22mDelta
Deal found 12/12$660
This United Airlines deal was found by Cheapflights users on 12/15. 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.
Wed 3/1811:20 amDLH - SJU
1 stop7h 40mUnited Airlines
Tue 4/211:00 amSJU - DLH
2 stops10h 44mUnited Airlines
Deal found 12/15$598

Find flight deals from Duluth to San Juan

Discover tips and strategies to find the most affordable flight options for your journey from Duluth (DLH) to San Juan (PR1). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 15, 2025.

Round-trip from

$419
(United Airlines)
From Duluth Intl to San Juan
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Duluth to San Juan 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 December 15, 2025.
Use the filters below to find and compare flights from Duluth to San Juan that are best for you.

Fly from

Duluth

Fly to

San Juan

Route

Depart

Return

Price

DuluthSan Juan

DLH - SJU

DLHSJU

Duluth Intl

Tue 2/3

5:00 am-4:50 pm

2 stops9h 50m

San Juan Luis Munoz Marin Intl

Wed 2/11

4:30 pm-11:52 pm

1 stop9h 22m

$510

DuluthSan Juan

DLH - SJU

DLHSJU

Duluth Intl

Sun 2/1

3:05 pm-6:11 am

2 stops13h 06m

San Juan Luis Munoz Marin Intl

Tue 2/24

2:05 am-2:37 pm

2 stops14h 32m

$530

DuluthSan Juan

DLH - SJU

DLHSJU

Duluth Intl

Wed 2/4

7:50 am-9:26 pm

2 stops11h 36m

San Juan Luis Munoz Marin Intl

Wed 2/11

2:05 am-2:37 pm

2 stops14h 32m

$530

DuluthSan Juan

DLH - SJU

DLHSJU

Duluth Intl

Sun 2/1

3:05 pm-6:11 am

2 stops13h 06m

San Juan Luis Munoz Marin Intl

Wed 2/11

2:05 am-2:37 pm

2 stops14h 32m

$530

DuluthSan Juan

DLH - SJU

DLHSJU

Duluth Intl

Wed 3/18

11:20 am-8:00 pm

1 stop7h 40m

San Juan Luis Munoz Marin Intl

Tue 4/21

1:00 am-10:44 am

2 stops10h 44m

$598

DuluthSan Juan

DLH - SJU

DLHSJU

Duluth Intl

Sun 2/1

5:00 am-3:18 pm

1 stop8h 18m

San Juan Luis Munoz Marin Intl

Wed 2/11

4:30 pm-11:52 pm

1 stop9h 22m

$660

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/12

Best time to book a flight from Duluth to San Juan

Have a flexible travel schedule? Discover the best time to fly to San Juan 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 San Juan
No data available for this route at this time. Please check back soon.

Reviews of airlines servicing San Juan

Get insights into the airlines that provide service to San Juan. 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 San Juan. Reviews last updated December 15, 2025.
Read reviews from past customers who have flown Delta from Duluth to San Juan. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,010 reviews

Food

7.3

Comfort

7.9

Boarding

8.1

Overall

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,010 reviews
Delta
7.9
Good
8,010 reviews

Food

7.3

Comfort

7.9

Boarding

8.1

Overall

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Duluth to San Juan. 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 San Juan?

    Located just 5.8 mi from the city center, Duluth Intl is the airport most travelers will use when flying to San Juan from Duluth. Booking flights from Duluth Intl (DLH) to San Juan should be relatively easy as there are 0 daily outbound flights to San Juan from 1 airline.

  • How long is the flight from Duluth to San Juan?

    A quick flight from Duluth to San Juan can take about 9h 50m. Delta provides one of the quickest options available for as low as $510. Airlines will cover a distance of 2459 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What is the cheapest airline to fly from Duluth to San Juan round-trip?

    Flying on Delta is currently your cheapest option to San Juan, with prices starting at $435.

  • Can I find deals for flights from Duluth to San Juan that include hotel bookings?

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

  • How can I find direct flights from Duluth to San Juan?

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

  • Can I find deals for business class flights from Duluth to San Juan?

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

See more FAQs

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Top airline flying from Duluth to San Juan

Discover the top airline that operate flights from Duluth to San Juan. 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 December 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$435Average$625FlexibilityNo cancel feeOn-timeN/A

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