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$113+ 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 2/7. Fares are subject to change and may not be available on all flights or dates of travel.
GRR — SJU
nov. 1 — nov. 81
sáb. 11/1
sáb. 11/8
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 May or September, booked 31 days in advance, depart on a Monday or Tuesday and return on a Friday

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 octubre 2, 2025.

Round-trip from

$225
(United Airlines)

One-way from

$113
(American Airlines)

Popular in

December

Cheapest in

May

Average price

$422
From Grand Rapids Gerald R. Ford Intl to San Juan
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One-way flight from Grand Rapids Gerald R. Ford Intl to San Juan
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Highest demand for flights based on searches. 3% potential increase in price ($19 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($14 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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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 octubre 2, 2025.

This United Airlines deal was found by Cheapflights users on 9/29. 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.
mié. 10/296:30 amGRR - SJU
1 stop9h 06mUnited Airlines
mié. 11/54:52 pmSJU - GRR
1 stop7h 42mUnited Airlines
Deal found 9/29$225
This Frontier deal was found by Cheapflights users on 10/2. 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.
sáb. 10/187:58 pmGRR - SJU
1 stop6h 32mFrontier
sáb. 10/257:58 pmSJU - GRR
2 stops15h 22mFrontier
Deal found 10/2$244
This United Airlines deal was found by Cheapflights users on 9/29. 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.
mar. 12/912:56 pmGRR - SJU
2 stops10h 40mUnited Airlines
lun. 12/152:05 amSJU - GRR
2 stops11h 39mUnited Airlines
Deal found 9/29$249
This American Airlines deal was found by Cheapflights users on 9/29. 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.
lun. 10/276:48 amGRR - SJU
1 stop17h 11mAmerican Airlines
lun. 11/32:47 pmSJU - GRR
2 stops9h 57mAmerican Airlines
Deal found 9/29$265
This American Airlines deal was found by Cheapflights users on 9/30. 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.
mié. 10/156:48 amGRR - SJU
1 stop17h 11mAmerican Airlines
jue. 10/233:00 pmSJU - GRR
1 stop17h 59mAmerican Airlines
Deal found 9/30$274
This Priceline deal was found by Cheapflights users on 9/30. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/1610:39 amGRR - SJU
1 stop26h 23mFrontier
mié. 10/223:40 amSJU - GRR
1 stop14h 52mFrontier
Deal found 9/30$276
This Priceline deal was found by Cheapflights users on 10/1. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 12/67:52 pmGRR - SJU
1 stop23h 35mFrontier
dom. 12/149:32 pmSJU - GRR
1 stop22h 25mFrontier
Deal found 10/1$281
This United Airlines deal was found by Cheapflights users on 9/29. 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.
sáb. 10/186:45 amGRR - SJU
1 stop7h 00mUnited Airlines
mar. 10/211:05 amSJU - GRR
2 stops11h 42mUnited Airlines
Deal found 9/29$294
This Priceline deal was found by Cheapflights users on 10/2. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 10/117:58 pmGRR - SJU
1 stop13h 44mFrontier
sáb. 10/182:17 pmSJU - GRR
1 stop19h 45mFrontier
Deal found 10/2$295
This Frontier deal was found by Cheapflights users on 10/1. 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.
jue. 11/206:47 pmGRR - SJU
1 stop7h 07mFrontier
dom. 11/2311:05 amSJU - GRR
1 stop7h 57mFrontier
Deal found 10/1$296
This United Airlines deal was found by Cheapflights users on 10/2. 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.
sáb. 10/186:45 amGRR - SJU
1 stop7h 00mUnited Airlines
vie. 10/241:05 amSJU - GRR
2 stops11h 42mUnited Airlines
Deal found 10/2$303

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 octubre 2, 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

lun. 10/27

12:56 pm-8:00 pm

1 stop7h 04m

San Juan Luis Munoz Marin Intl

lun. 11/3

4:52 pm-11:34 pm

1 stop7h 42m

$225

Grand RapidsSan Juan

GRR - SJU

GRRSJU

Grand Rapids Gerald R. Ford Intl

mar. 3/3

1:00 pm-11:49 pm

1 stop9h 49m

San Juan Luis Munoz Marin Intl

jue. 3/5

6:15 am-12:01 pm

1 stop6h 46m

$225

Grand RapidsSan Juan

GRR - SJU

GRRSJU

Grand Rapids Gerald R. Ford Intl

mar. 12/9

12:56 pm-12:36 am

2 stops10h 40m

San Juan Luis Munoz Marin Intl

lun. 12/15

2:05 am-12:44 pm

2 stops11h 39m

$249

Grand RapidsSan Juan

GRR - SJU

GRRSJU

Grand Rapids Gerald R. Ford Intl

mar. 3/3

6:00 am-2:40 pm

1 stop7h 40m

San Juan Luis Munoz Marin Intl

mar. 3/10

7:10 am-5:41 pm

2 stops10h 31m

$252

Grand RapidsSan Juan

GRR - SJU

GRRSJU

Grand Rapids Gerald R. Ford Intl

sáb. 10/18

7:30 am-8:38 pm

2 stops13h 08m

San Juan Luis Munoz Marin Intl

vie. 10/24

1:05 am-12:47 pm

2 stops11h 42m

$274

Grand RapidsSan Juan

GRR - SJU

GRRSJU

Grand Rapids Gerald R. Ford Intl

sáb. 10/18

6:45 am-1:45 pm

1 stop7h 00m

San Juan Luis Munoz Marin Intl

mar. 10/21

1:05 am-12:47 pm

2 stops11h 42m

$294

Grand RapidsSan Juan

GRR - SJU

GRRSJU

Grand Rapids Gerald R. Ford Intl

dom. 2/1

11:41 am-10:22 pm

2 stops9h 41m

San Juan Luis Munoz Marin Intl

vie. 2/6

2:05 am-12:52 pm

2 stops11h 47m

$296

Grand RapidsSan Juan

GRR - SJU

GRRSJU

Grand Rapids Gerald R. Ford Intl

sáb. 1/31

12:50 pm-6:11 am

2 stops16h 21m

San Juan Luis Munoz Marin Intl

vie. 2/6

2:05 am-12:52 pm

2 stops11h 47m

$315

Grand RapidsSan Juan

GRR - SJU

GRRSJU

Grand Rapids Gerald R. Ford Intl

sáb. 2/7

3:52 pm-11:56 pm

1 stop7h 04m

$113

Grand RapidsSan Juan

GRR - SJU

GRRSJU

Grand Rapids Gerald R. Ford Intl

sáb. 11/1

6:48 am-11:05 pm

1 stop16h 17m

$153

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/30

Showing 1-10 of 17 results
1
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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 September 26, 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 31 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, September is the cheapest month in which you can book a flight from Grand Rapids to San Juan (average of $254). Flying from Grand Rapids to San Juan 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.

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 octubre 2, 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 at noon could potentially save you up to 23% 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 octubre 2, 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
4,248 reviews

Food

7.0

Overall

8.0

Crew

8.6

Boarding

8.1

Entertainment

7.5

Comfort

8.0

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
4,248 reviews
Southwest
8.0
Very good
4,248 reviews

Food

7.0

Overall

8.0

Crew

8.6

Boarding

8.1

Entertainment

7.5

Comfort

8.0

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
8.0
Very good
7,962 reviews
Southwest
8.0
Very good
4,248 reviews

Food

7.0

Overall

8.0

Crew

8.6

Boarding

8.1

Entertainment

7.5

Comfort

8.0

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
8,933 reviews
Southwest
8.0
Very good
4,248 reviews

Food

7.0

Overall

8.0

Crew

8.6

Boarding

8.1

Entertainment

7.5

Comfort

8.0

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
11,033 reviews
Southwest
8.0
Very good
4,248 reviews

Food

7.0

Overall

8.0

Crew

8.6

Boarding

8.1

Entertainment

7.5

Comfort

8.0

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
3,155 reviews
Southwest
8.0
Very good
4,248 reviews

Food

7.0

Overall

8.0

Crew

8.6

Boarding

8.1

Entertainment

7.5

Comfort

8.0

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 7h 04m. Fly via United Airlines or Delta 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 $131. Other airlines that can offer you cheap pricing are Delta, from $265, and United Airlines, from $285. Users have found that Frontier is 72% 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, September is the cheapest month in which you can book a flight from Grand Rapids to San Juan (average of $254). Flying from Grand Rapids to San Juan 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

Browse thousands of different options on Cheapflights for your next trip

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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 octubre 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$131Average$280FlexibilityNo cancel feeOn-time62%
DeltaCheapest$265Average$524FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$285Average$519FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$298Average$483FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$400Average$615FlexibilityNo cancel feeOn-time63%

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