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San Juan

$137+ Cheap flights from Grand Rapids (GRR) to San Juan

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/6. Fares are subject to change and may not be available on all flights or dates of travel.
GRR — SJU
Dec 21 — Dec 281
Sun 12/21
Sun 12/28
1 adult, Economy
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Cheapflights Tip: The best prices from Grand Rapids Gerald R. Ford Intl to San Juan are usually found in October or May, booked 18 days in advance, depart on a Monday or Tuesday and return on a Friday

Find flight deals from Grand Rapids to San Juan

Cheapest flights from Grand Rapids to San Juan
Explore the most affordable flight options available from Grand Rapids to San Juan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 21, 2025.

This Mytrip deal was found by Cheapflights users on 11/21. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/511:44 amGRR - SJU
2 stops12h 01mMultiple Airlines
Thu 12/114:10 amSJU - GRR
1 stop14h 54mMultiple Airlines
Deal found 11/21$247
This Frontier deal was found by Cheapflights users on 11/21. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/65:26 pmGRR - SJU
1 stop8h 24mFrontier
Wed 12/103:55 amSJU - GRR
1 stop12h 07mFrontier
Deal found 11/21$248
This Frontier deal was found by Cheapflights users on 11/20. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/2912:14 pmGRR - SJU
1 stop11h 52mFrontier
Fri 12/123:55 amSJU - GRR
1 stop13h 36mFrontier
Deal found 11/20$268
This American Airlines deal was found by Cheapflights users on 11/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/33:18 pmGRR - SJU
1 stop7h 34mAmerican Airlines
Thu 12/112:36 pmSJU - GRR
2 stops10h 23mAmerican Airlines
Deal found 11/20$274
This Frontier deal was found by Cheapflights users on 11/21. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/135:26 pmGRR - SJU
1 stop8h 24mFrontier
Sun 12/217:10 amSJU - GRR
1 stop12h 11mFrontier
Deal found 11/21$284
This American Airlines deal was found by Cheapflights users on 11/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/292:59 pmGRR - SJU
1 stop12h 49mAmerican Airlines
Sat 12/136:54 amSJU - GRR
1 stop15h 58mAmerican Airlines
Deal found 11/20$314
This United Airlines deal was found by Cheapflights users on 11/21. 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.
Fri 12/59:30 amGRR - SJU
2 stops10h 56mUnited Airlines
Fri 12/122:10 pmSJU - GRR
2 stops10h 19mUnited Airlines
Deal found 11/21$344

Cheap flight deals from Grand Rapids to San Juan

Discover tips and strategies to find the most affordable flight options for your journey from Grand Rapids (GRR) 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 November 21, 2025.

Round-trip from

$138
(Priceline)

One-way from

$137
(Frontier)

Popular in

December

Cheapest in

October

Average price

$443
From Grand Rapids Gerald R. Ford Intl to San Juan
Search Deals
One-way flight from Grand Rapids Gerald R. Ford Intl to San Juan
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($24 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($14 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Grand Rapids 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 November 21, 2025.
Use the filters below to find and compare flights from Grand Rapids to San Juan that are best for you.

Fly from

Grand Rapids

Fly to

San Juan

Route

Depart

Return

Price

Grand RapidsSan Juan

GRR - SJU

GRRSJU

Grand Rapids Gerald R. Ford Intl

Sun 1/25

9:00 am-12:36 am

2 stops14h 36m

San Juan Luis Munoz Marin Intl

Wed 1/28

2:05 am-12:52 pm

2 stops11h 47m

$315

Grand RapidsSan Juan

GRR - SJU

GRRSJU

Grand Rapids Gerald R. Ford Intl

Sat 12/6

11:47 am-10:22 pm

2 stops9h 35m

San Juan Luis Munoz Marin Intl

Mon 12/8

2:10 pm-11:29 pm

2 stops10h 19m

$323

Grand RapidsSan Juan

GRR - SJU

GRRSJU

Grand Rapids Gerald R. Ford Intl

Thu 1/29

3:15 pm-11:10 pm

1 stop6h 55m

San Juan Luis Munoz Marin Intl

Mon 2/9

8:00 am-3:25 pm

1 stop8h 25m

$354

Grand RapidsSan Juan

GRR - SJU

GRRSJU

Grand Rapids Gerald R. Ford Intl

Tue 1/13

9:00 am-10:22 pm

2 stops12h 22m

San Juan Luis Munoz Marin Intl

Thu 1/22

2:05 am-12:52 pm

2 stops11h 47m

$364

Grand RapidsSan Juan

GRR - SJU

GRRSJU

Grand Rapids Gerald R. Ford Intl

Wed 1/21

6:15 am-2:40 pm

1 stop7h 25m

San Juan Luis Munoz Marin Intl

Fri 1/30

2:05 am-12:52 pm

2 stops11h 47m

$366

Grand RapidsSan Juan

GRR - SJU

GRRSJU

Grand Rapids Gerald R. Ford Intl

Tue 2/17

6:50 am-10:25 pm

2 stops14h 35m

San Juan Luis Munoz Marin Intl

Wed 2/25

6:10 am-3:45 pm

2 stops10h 35m

$400

Grand RapidsSan Juan

GRR - SJU

GRRSJU

Grand Rapids Gerald R. Ford Intl

Fri 1/16

4:05 pm-12:05 am

1 stop7h 00m

San Juan Luis Munoz Marin Intl

Wed 1/21

6:10 am-2:20 pm

1 stop9h 10m

$403

Grand RapidsSan Juan

GRR - SJU

GRRSJU

Grand Rapids Gerald R. Ford Intl

Sat 1/31

2:55 pm-11:00 pm

1 stop7h 05m

San Juan Luis Munoz Marin Intl

Sun 2/8

5:40 am-2:20 pm

2 stops9h 40m

$403

Grand RapidsSan Juan

GRR - SJU

GRRSJU

Grand Rapids Gerald R. Ford Intl

Sat 2/7

4:51 pm-6:11 am

2 stops12h 20m

San Juan Luis Munoz Marin Intl

Mon 2/9

2:05 am-2:45 pm

2 stops13h 40m

$404

Grand RapidsSan Juan

GRR - SJU

GRRSJU

Grand Rapids Gerald R. Ford Intl

Sat 1/31

12:50 pm-12:36 am

2 stops10h 46m

San Juan Luis Munoz Marin Intl

Sun 2/8

2:05 am-12:52 pm

2 stops11h 47m

$432

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/21

Showing 1-10 of 19 results
1
2

Best time to book a flight from Grand Rapids to San Juan

Have a flexible travel schedule? Discover the best time to fly to San Juan from Grand Rapids 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 Rapids to San Juan

How far ahead should I book a flight from Grand Rapids to San Juan?

Use this chart to determine the optimal time to book a round-trip flight from Grand Rapids to San Juan. Price data was last updated on November 14, 2025.

To ensure you get the cheapest price possible for a flight from Grand Rapids to San Juan, you should look to book at least 17 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Grand Rapids to San Juan?

Currently, January is the cheapest month in which you can book a flight from Grand Rapids to San Juan (average of $148). Flying from Grand Rapids to San Juan in June is currently the most expensive (average of $376). 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.

What is the cheapest time of day to fly from GRR to SJU?

Find hourly flight availability from Grand Rapids to San Juan. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 21, 2025.

One of the essential ways to save on airfare from Grand Rapids to San Juan is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the evening could potentially save you up to 45% on airfare.

What is the cheapest day to fly from Grand Rapids to San Juan?

Use this chart to determine the cheapest time to fly round-trip from Grand Rapids to San Juan. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Grand Rapids to San Juan flight should consider departing on Saturday evenings when fares are most often at their lowest. Friday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

How much does it cost to fly round-trip from Grand Rapids to San Juan?

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 November 21, 2025.
Read reviews from past customers who have flown Southwest, Delta, and United Airlines from Grand Rapids to San Juan. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,252 reviews

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Overall

8.0

Crew

8.6

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,252 reviews
Southwest
8.0
Very good
4,252 reviews

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Overall

8.0

Crew

8.6

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Delta
7.9
Good
8,002 reviews
Southwest
8.0
Very good
4,252 reviews

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Overall

8.0

Crew

8.6

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
United Airlines
7.4
Good
9,035 reviews
Southwest
8.0
Very good
4,252 reviews

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Overall

8.0

Crew

8.6

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
11,048 reviews
Southwest
8.0
Very good
4,252 reviews

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Overall

8.0

Crew

8.6

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Frontier
5.8
Fair
3,103 reviews
Southwest
8.0
Very good
4,252 reviews

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Overall

8.0

Crew

8.6

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Related info for your journey

Find useful and relevant information for your journey from Grand Rapids 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 Grand Rapids to San Juan?

    Grand Rapids Gerald R. Ford Intl (GRR) is the airport you will fly out of if you book a flight from Grand Rapids to San Juan. You should not have trouble finding flights to San Juan from Gerald R. Ford Intl; the airport handles an average of 0 outbound flights to San Juan per day. You should also have plenty of airline options to choose from since 5 airlines have flights from the Grand Rapids airport to San Juan. It is only a 9.2 mi journey to Gerald R. Ford Intl (GRR) from Grand Rapids’s city center.

  • How long is the flight from Grand Rapids to San Juan?

    There are many flights that can get you from Grand Rapids to San Juan in 6h 55m. Fly via United Airlines or Southwest to get the fastest option. Grand Rapids and San Juan are separated by a distance of 2037 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from Grand Rapids to San Juan round-trip?

    Cheapflights users have booked flights from Grand Rapids to San Juan round-trip from $140. Other airlines that can offer you cheap pricing are United Airlines, from $256, and Delta, from $257. Users have found that Frontier is 70% cheaper than the other options available to this destination.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Grand Rapids 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.

  • What is the cheapest month to book a flight from Grand Rapids to San Juan?

    Currently, January is the cheapest month in which you can book a flight from Grand Rapids to San Juan (average of $148). Flying from Grand Rapids to San Juan in June is currently the most expensive (average of $376). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 5 airlines flying from Grand Rapids to San Juan

Discover the top 5 airlines that operate flights from Grand Rapids 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 November 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$140Average$282FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$256Average$512FlexibilityNo cancel feeOn-time69%
DeltaCheapest$257Average$464FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$293Average$483FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$384Average$603FlexibilityNo cancel feeOn-time63%

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