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Luis Munoz Marin Intl

$113+ Cheap flights from Grand Rapids (GRR) to Luis Munoz Marin Intl (SJU)

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
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheapflights Tip: The best prices from Grand Rapids Gerald R. Ford Intl to San Juan Luis Munoz Marin Intl are usually found in January or May, booked 31 days in advance, depart on a Monday or Tuesday and return on a Friday

Cheap flight deals from Grand Rapids to Luis Munoz Marin Intl

Discover tips and strategies to find the most affordable flight options for your journey from Grand Rapids (GRR) to Luis Munoz Marin Intl (SJU). 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 September 11, 2025.

Round-trip from

$225
(United Airlines)

One-way from

$113
(American Airlines)

Popular in

December

Cheapest in

January

Average price

$374
From Grand Rapids Gerald R. Ford Intl to San Juan Luis Munoz Marin Intl
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One-way flight from Grand Rapids Gerald R. Ford Intl to San Juan Luis Munoz Marin Intl
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Highest demand for flights based on searches. 0% potential increase in price ($2 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($15 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Grand Rapids to Luis Munoz Marin Intl

Cheapest flights from Grand Rapids to Luis Munoz Marin Intl
Explore the most affordable flight options available from Grand Rapids to Luis Munoz Marin Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This United Airlines deal was found by Cheapflights users on 9/11. 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 10/156:30 amGRR - SJU
1 stop9h 12mUnited Airlines
Wed 10/223:56 pmSJU - GRR
1 stop7h 48mUnited Airlines
Deal found 9/11$225
This American Airlines deal was found by Cheapflights users on 9/10. 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 10/186:48 amGRR - SJU
1 stop16h 17mAmerican Airlines
Sat 10/257:10 amSJU - GRR
2 stops13h 13mAmerican Airlines
Deal found 9/10$265
This American Airlines deal was found by Cheapflights users on 9/11. 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.
Mon 9/296:00 amGRR - SJU
2 stops17h 37mAmerican Airlines
Wed 10/85:30 amSJU - GRR
1 stop17h 54mAmerican Airlines
Deal found 9/11$274
This American Airlines deal was found by Cheapflights users on 9/11. 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.
Sun 10/125:45 amGRR - SJU
2 stops12h 25mAmerican Airlines
Thu 10/233:00 pmSJU - GRR
1 stop8h 45mAmerican Airlines
Deal found 9/11$285
This Frontier deal was found by Cheapflights users on 9/11. 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.
Fri 12/57:52 pmGRR - SJU
1 stop13h 03mFrontier
Mon 12/1511:05 amSJU - GRR
1 stop8h 52mFrontier
Deal found 9/11$296
This United Airlines deal was found by Cheapflights users on 9/10. 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 10/1111:46 amGRR - SJU
2 stops12h 11mUnited Airlines
Fri 10/171:05 amSJU - GRR
2 stops11h 42mUnited Airlines
Deal found 9/10$297
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/117:58 pmGRR - SJU
2 stops29h 01mMultiple Airlines
Sat 10/183:19 pmSJU - GRR
1 stop18h 43mMultiple Airlines
Deal found 9/10$313
This United Airlines deal was found by Cheapflights users on 9/11. 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 10/156:30 amGRR - SJU
1 stop9h 12mUnited Airlines
Sat 10/251:30 pmSJU - GRR
2 stops10h 14mUnited Airlines
Deal found 9/11$315
This United Airlines deal was found by Cheapflights users on 9/11. 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 9/276:00 amGRR - SJU
2 stops14h 38mUnited Airlines
Wed 10/11:30 pmSJU - GRR
1 stop8h 18mUnited Airlines
Deal found 9/11$323

Cheapflights Fare Finder

 
Customize your flight search to find flights from Grand Rapids to Luis Munoz Marin Intl 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 September 11, 2025.
Use the filters below to find and compare flights from Grand Rapids to San Juan Luis Munoz Marin Intl Airport that are best for you.

Fly from

Grand Rapids

Fly to

Luis Munoz Marin Intl

Route

Depart

Return

Price

Grand RapidsSan Juan

GRR - SJU

GRRSJU

Grand Rapids Gerald R. Ford Intl

Sat 11/1

1:20 pm-11:45 pm

1 stop10h 25m

San Juan Luis Munoz Marin Intl

Sat 11/8

8:10 am-8:30 pm

1 stop13h 20m

$225

Grand RapidsSan Juan

GRR - SJU

GRRSJU

Grand Rapids Gerald R. Ford Intl

Mon 9/29

6:00 am-11:37 pm

2 stops17h 37m

San Juan Luis Munoz Marin Intl

Wed 10/8

5:30 am-11:24 pm

1 stop17h 54m

$274

Grand RapidsSan Juan

GRR - SJU

GRRSJU

Grand Rapids Gerald R. Ford Intl

Fri 1/30

4:51 pm-6:11 am

2 stops12h 20m

San Juan Luis Munoz Marin Intl

Wed 2/11

8:35 am-3:55 pm

1 stop8h 20m

$297

Grand RapidsSan Juan

GRR - SJU

GRRSJU

Grand Rapids Gerald R. Ford Intl

Tue 12/2

2:05 pm-5:30 am

1 stop14h 25m

San Juan Luis Munoz Marin Intl

Tue 12/9

3:10 pm-11:32 pm

1 stop9h 22m

$314

Grand RapidsSan Juan

GRR - SJU

GRRSJU

Grand Rapids Gerald R. Ford Intl

Wed 10/15

6:30 am-3:42 pm

1 stop9h 12m

San Juan Luis Munoz Marin Intl

Fri 10/24

1:05 am-12:47 pm

2 stops11h 42m

$315

Grand RapidsSan Juan

GRR - SJU

GRRSJU

Grand Rapids Gerald R. Ford Intl

Thu 2/5

3:59 pm-11:40 pm

1 stop6h 41m

San Juan Luis Munoz Marin Intl

Tue 2/10

6:30 am-12:45 pm

1 stop7h 15m

$354

Grand RapidsSan Juan

GRR - SJU

GRRSJU

Grand Rapids Gerald R. Ford Intl

Thu 1/22

2:12 pm-12:05 am

2 stops8h 53m

San Juan Luis Munoz Marin Intl

Wed 1/28

6:30 am-12:45 pm

1 stop7h 15m

$354

Grand RapidsSan Juan

GRR - SJU

GRRSJU

Grand Rapids Gerald R. Ford Intl

Wed 11/5

7:00 am-5:05 pm

2 stops9h 05m

San Juan Luis Munoz Marin Intl

Wed 11/12

6:00 am-4:15 pm

2 stops11h 15m

$354

Grand RapidsSan Juan

GRR - SJU

GRRSJU

Grand Rapids Gerald R. Ford Intl

Tue 1/13

11:41 am-9:00 pm

1 stop8h 19m

San Juan Luis Munoz Marin Intl

Tue 1/27

2:05 am-3:55 pm

2 stops14h 50m

$364

Grand RapidsSan Juan

GRR - SJU

GRRSJU

Grand Rapids Gerald R. Ford Intl

Tue 1/13

11:41 am-9:00 pm

1 stop8h 19m

San Juan Luis Munoz Marin Intl

Thu 1/22

2:05 am-3:55 pm

2 stops14h 50m

$364

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

Showing 1-10 of 24 results
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Best time to book a flight from Grand Rapids to Luis Munoz Marin Intl

Have a flexible travel schedule? Discover the best time to fly to Luis Munoz Marin Intl 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 Luis Munoz Marin Intl Airport

How far ahead should I book a flight from Grand Rapids to San Juan Luis Munoz Marin Intl Airport?

Use this chart to determine the optimal time to book a round-trip flight from Grand Rapids to Luis Munoz Marin Intl. Price data was last updated on August 29, 2025.

The best time to book flights from Grand Rapids to San Juan Luis Munoz Marin Intl Airport is 31 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Grand Rapids to San Juan Luis Munoz Marin Intl Airport?

Currently, September is the cheapest month in which you can book a flight from Grand Rapids to San Juan Luis Munoz Marin Intl Airport (average of $254). Flying from Grand Rapids to San Juan Luis Munoz Marin Intl Airport 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 Luis Munoz Marin Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 11, 2025.

One of the essential ways to save on airfare from Grand Rapids to San Juan Luis Munoz Marin Intl Airport 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 Luis Munoz Marin Intl Airport?

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

Travelers seeking maximum savings on their Grand Rapids to San Juan Luis Munoz Marin Intl Airport 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.

Reviews of airlines servicing Luis Munoz Marin Intl

Get insights into the airlines that provide service to Luis Munoz Marin Intl. 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 Luis Munoz Marin Intl. Reviews last updated September 11, 2025.
See what other customers who have flown with Southwest, Delta, and United Airlines from Grand Rapids to San Juan Luis Munoz Marin Intl Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,248 reviews

Crew

8.6

Food

7.0

Overall

8.0

Boarding

8.1

Comfort

8.0

Entertainment

7.5

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

Crew

8.6

Food

7.0

Overall

8.0

Boarding

8.1

Comfort

8.0

Entertainment

7.5

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
7,960 reviews
Southwest
8.0
Very good
4,248 reviews

Crew

8.6

Food

7.0

Overall

8.0

Boarding

8.1

Comfort

8.0

Entertainment

7.5

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
8,937 reviews
Southwest
8.0
Very good
4,248 reviews

Crew

8.6

Food

7.0

Overall

8.0

Boarding

8.1

Comfort

8.0

Entertainment

7.5

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
10,000 reviews
Southwest
8.0
Very good
4,248 reviews

Crew

8.6

Food

7.0

Overall

8.0

Boarding

8.1

Comfort

8.0

Entertainment

7.5

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
3,177 reviews
Southwest
8.0
Very good
4,248 reviews

Crew

8.6

Food

7.0

Overall

8.0

Boarding

8.1

Comfort

8.0

Entertainment

7.5

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 Luis Munoz Marin Intl. 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 Luis Munoz Marin Intl?

    Most people fly from Grand Rapids Gerald R. Ford Intl (GRR) if they book a flight from Grand Rapids to San Juan Luis Munoz Marin Intl. On average, Gerald R. Ford Intl has 0 outbound flights to San Juan Luis Munoz Marin Intl per day from 5 airlines. Grand Rapids Gerald R. Ford Intl is conveniently located just 9.2 mi from Grand Rapids’s city center.

  • How long is the flight from Grand Rapids to San Juan Luis Munoz Marin Intl Airport?

    Departing from Grand Rapids to San Juan Luis Munoz Marin Intl Airport will take you 10h 25m. The distance between Grand Rapids and San Juan Luis Munoz Marin Intl Airport is about 2037 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Grand Rapids to San Juan Luis Munoz Marin Intl Airport round-trip?

    Cheapflights users have booked flights from Grand Rapids to San Juan Luis Munoz Marin Intl Airport round-trip from $131. Other airlines that can offer you cheap pricing are Delta, from $265, and United Airlines, from $285. Frontier is priced at 72% lower than the current average price of a flight leaving 3 months from now.

  • Can I find deals for flights from Grand Rapids to Luis Munoz Marin Intl that include hotel bookings?

    Yes. In addition to deals on Grand Rapids to Luis Munoz Marin Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Grand Rapids to Luis Munoz Marin Intl?

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

  • Can I find deals for business class flights from Grand Rapids to Luis Munoz Marin Intl?

    Yes. Cheapflights offers flight deals from Grand Rapids to Luis Munoz Marin Intl 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 Luis Munoz Marin Intl Airport?

    Currently, September is the cheapest month in which you can book a flight from Grand Rapids to San Juan Luis Munoz Marin Intl Airport (average of $254). Flying from Grand Rapids to San Juan Luis Munoz Marin Intl Airport 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

Traveling to a place near San Juan Luis Munoz Marin Intl Airport?

Book flights to San Juan Luis Munoz Marin Intl Airport if you plan to visit one of these locations
Dorado
Fajardo
Rio Grande
Luquillo
Humacao

Browse thousands of different options on Cheapflights for your next trip

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Top 5 airlines flying from Grand Rapids to Luis Munoz Marin Intl

Discover the top 5 airlines that operate flights from Grand Rapids to Luis Munoz Marin Intl. 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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$131Average$280FlexibilityNo cancel feeOn-time62%
DeltaCheapest$265Average$527FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$285Average$521FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$300Average$490FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$410Average$620FlexibilityNo cancel feeOn-time63%

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