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$1,229+ Cheap flights from Grand Forks (GFK) 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 3/28. Fares are subject to change and may not be available on all flights or dates of travel.
GFK — SJU
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap flight deals from Grand Forks to Puerto Rico

Best flights from Grand Forks to Puerto Rico
Discover carefully curated flight deals from Grand Forks to Puerto Rico that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 18, 2025.

This Delta deal was found by Cheapflights users on 12/16. 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.
Sat 3/285:00 amGFK - SJU
1 stop8h 20mDelta
Sat 4/43:25 pmSJU - GFK
1 stop8h 45mDelta
Deal found 12/16$1,229

Find flight deals from Grand Forks to Puerto Rico

Keep the following information in mind while searching for Grand Forks to Puerto Rico flight deals. Data was last updated December 18, 2025.

Round-trip from

$1,121
(Delta)
From Grand Forks to Puerto Rico
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Grand Forks 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 December 18, 2025.
Use the filters below to find and compare flights from Grand Forks to Puerto Rico that are best for you.

Fly from

Grand Forks

Fly to

Puerto Rico

Route

Depart

Return

Price

Grand ForksSan Juan

GFK - SJU

GFKSJU

Grand Forks

Sat 3/28

5:00 am-2:20 pm

1 stop8h 20m

San Juan Luis Munoz Marin Intl

Sat 4/4

3:25 pm-11:10 pm

1 stop8h 45m

$1,229

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Best time to book a flight from Grand Forks to Puerto Rico

Have a flexible travel schedule? Discover the best time to fly to Puerto Rico from Grand Forks 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 Grand Forks to Puerto Rico

What is the cheapest month to book a flight from Grand Forks to Puerto Rico?

Currently, March is the cheapest month in which you can book a flight from Grand Forks to Puerto Rico (average of $103). Flying from Grand Forks to Puerto Rico in June is currently the most expensive (average of $569). 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.

Related info for your journey

Find useful and relevant information for your journey from Grand Forks 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 Grand Forks to Puerto Rico?

    Located just 6.8 mi from the city center, Grand Forks (GFK) is the airport most travelers will use when flying to Puerto Rico from Grand Forks.

  • How long is the flight from Grand Forks to Puerto Rico?

    Delta can get you from Grand Forks to Puerto Rico in just under 8h 20m. Your travel time can differ by up to . The distance from Grand Forks to Puerto Rico is about 2684 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Grand Forks 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 Grand Forks to Puerto Rico?

    Currently, March is the cheapest month in which you can book a flight from Grand Forks to Puerto Rico (average of $103). Flying from Grand Forks to Puerto Rico in June is currently the most expensive (average of $569). 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.

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