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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
Nov 27 — Dec 41
Thu 11/27
Thu 12/4
1 adult, Economy
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Find cheap flights from Grand Rapids to Luis Munoz Marin Intl with Cheapflights

1. Tell us where you want to go

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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 October or May, booked 17 days in advance, depart on a Monday or Tuesday and return on a Friday

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 October 28, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/28. 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.
Mon 11/178:02 pmGRR - SJU
2 stops20h 52mMultiple Airlines
Tue 11/255:19 pmSJU - GRR
1 stop18h 51mMultiple Airlines
Deal found 10/28$292
This Kiwi.com deal was found by Cheapflights users on 10/28. 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.
Mon 11/178:02 pmGRR - SJU
2 stops20h 52mFrontier
Mon 11/243:59 amSJU - GRR
1 stop15h 16mFrontier
Deal found 10/28$301
This American Airlines deal was found by Cheapflights users on 10/26. 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.
Fri 12/51:11 pmGRR - SJU
1 stop7h 58mAmerican Airlines
Sat 12/68:18 amSJU - GRR
1 stop9h 21mAmerican Airlines
Deal found 10/26$309
This Priceline deal was found by Cheapflights users on 10/26. 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.
Sat 12/65:26 pmGRR - SJU
1 stop8h 24mFrontier
Sat 12/133:55 amSJU - GRR
1 stop12h 07mFrontier
Deal found 10/26$311
This American Airlines deal was found by Cheapflights users on 10/26. 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 11/176:00 amGRR - SJU
2 stops13h 48mAmerican Airlines
Tue 11/253:53 pmSJU - GRR
1 stop18h 05mAmerican Airlines
Deal found 10/26$314
This Frontier deal was found by Cheapflights users on 10/27. 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 10/27$352
This Southwest deal was found by Cheapflights users on 10/26. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/103:00 pmGRR - SJU
1 stop7h 20mSouthwest
Sun 12/145:40 amSJU - GRR
1 stop11h 10mSouthwest
Deal found 10/26$354
This Frontier deal was found by Cheapflights users on 10/28. 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 10/28$359
This Southwest deal was found by Cheapflights users on 10/26. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/47:10 amGRR - SJU
2 stops13h 20mSouthwest
Tue 12/95:45 amSJU - GRR
1 stop8h 00mSouthwest
Deal found 10/26$363

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 October 28, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$225
(United Airlines)

One-way from

$152
(United Airlines)

Popular in

December

Cheapest in

October

Average price

$357
Provider with most accurate pricing for Grand Rapids Gerald R. Ford Intl-San Juan Luis Munoz Marin Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Grand Rapids Gerald R. Ford Intl-San Juan Luis Munoz Marin Intl flights.
Search Deals
From Grand Rapids Gerald R. Ford Intl to San Juan Luis Munoz Marin Intl
Search Deals
One-way flight from Grand Rapids Gerald R. Ford Intl to San Juan Luis Munoz Marin Intl
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($15 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

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 October 28, 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

Tue 3/3

9:00 am-9:26 pm

2 stops11h 26m

San Juan Luis Munoz Marin Intl

Wed 3/4

2:05 am-12:45 pm

2 stops11h 40m

$225

Grand RapidsSan Juan

GRR - SJU

GRRSJU

Grand Rapids Gerald R. Ford Intl

Tue 2/3

12:50 pm-9:00 pm

1 stop7h 10m

San Juan Luis Munoz Marin Intl

Mon 2/9

2:05 am-12:52 pm

2 stops11h 47m

$225

Grand RapidsSan Juan

GRR - SJU

GRRSJU

Grand Rapids Gerald R. Ford Intl

Sat 4/11

2:00 pm-9:58 pm

1 stop7h 58m

San Juan Luis Munoz Marin Intl

Wed 4/22

6:15 am-5:07 pm

1 stop10h 52m

$274

Grand RapidsSan Juan

GRR - SJU

GRRSJU

Grand Rapids Gerald R. Ford Intl

Sun 1/11

12:45 pm-9:00 pm

1 stop7h 15m

San Juan Luis Munoz Marin Intl

Sat 1/17

8:10 am-8:18 pm

2 stops13h 08m

$314

Grand RapidsSan Juan

GRR - SJU

GRRSJU

Grand Rapids Gerald R. Ford Intl

Tue 1/13

6:15 am-4:36 pm

1 stop9h 21m

San Juan Luis Munoz Marin Intl

Tue 1/27

2:05 am-12:52 pm

2 stops11h 47m

$315

Grand RapidsSan Juan

GRR - SJU

GRRSJU

Grand Rapids Gerald R. Ford Intl

Sat 1/31

1:33 pm-12:36 am

1 stop10h 03m

San Juan Luis Munoz Marin Intl

Fri 2/6

2:05 am-12:52 pm

2 stops11h 47m

$315

Grand RapidsSan Juan

GRR - SJU

GRRSJU

Grand Rapids Gerald R. Ford Intl

Tue 3/3

8:10 am-5:12 pm

1 stop8h 02m

San Juan Luis Munoz Marin Intl

Thu 3/5

6:15 am-12:01 pm

1 stop6h 46m

$323

Grand RapidsSan Juan

GRR - SJU

GRRSJU

Grand Rapids Gerald R. Ford Intl

Thu 12/4

7:10 am-9:30 pm

2 stops13h 20m

San Juan Luis Munoz Marin Intl

Tue 12/9

5:45 am-12:45 pm

1 stop8h 00m

$363

Grand RapidsSan Juan

GRR - SJU

GRRSJU

Grand Rapids Gerald R. Ford Intl

Sat 2/7

3:52 pm-11:56 pm

1 stop7h 04m

$113

Grand RapidsSan Juan

GRR - SJU

GRRSJU

Grand Rapids Gerald R. Ford Intl

Fri 1/23

12:50 pm-12:36 am

2 stops10h 46m

$152

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/26

Showing 1-10 of 17 results
1
2

Compare providers for flights from Grand Rapids to Luis Munoz Marin Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Grand Rapids to Luis Munoz Marin Intl in October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars
CheapTicketsDealPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Grand Rapids-San Juan Luis Munoz Marin Intl Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Grand Rapids-San Juan Luis Munoz Marin Intl Airport flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Grand Rapids-San Juan Luis Munoz Marin Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Grand Rapids-San Juan Luis Munoz Marin Intl Airport flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Grand Rapids-San Juan Luis Munoz Marin Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 October 24, 2025.

The best time to book flights from Grand Rapids to San Juan Luis Munoz Marin Intl Airport is 17 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, January is the cheapest month in which you can book a flight from Grand Rapids to San Juan Luis Munoz Marin Intl Airport (average of $148). Flying from Grand Rapids to San Juan Luis Munoz Marin Intl Airport 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 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 October 28, 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 in the afternoon could potentially save you up to 22% 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 October 28, 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
4,240 reviews

Entertainment

7.5

Boarding

8.1

Crew

8.6

Food

7.0

Comfort

8.0

Overall

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
4,240 reviews
Southwest
8.0
Very good
4,240 reviews

Entertainment

7.5

Boarding

8.1

Crew

8.6

Food

7.0

Comfort

8.0

Overall

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
7.9
Good
7,994 reviews
Southwest
8.0
Very good
4,240 reviews

Entertainment

7.5

Boarding

8.1

Crew

8.6

Food

7.0

Comfort

8.0

Overall

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
9,001 reviews
Southwest
8.0
Very good
4,240 reviews

Entertainment

7.5

Boarding

8.1

Crew

8.6

Food

7.0

Comfort

8.0

Overall

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
11,032 reviews
Southwest
8.0
Very good
4,240 reviews

Entertainment

7.5

Boarding

8.1

Crew

8.6

Food

7.0

Comfort

8.0

Overall

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
3,124 reviews
Southwest
8.0
Very good
4,240 reviews

Entertainment

7.5

Boarding

8.1

Crew

8.6

Food

7.0

Comfort

8.0

Overall

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 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 7h 58m. 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 $140. Other airlines that can offer you cheap pricing are United Airlines, from $256, and Delta, from $265. Frontier is priced at 70% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Grand Rapids to San Juan Luis Munoz Marin Intl Airport one-way?

    The cheapest airlines for a one-way flight from Grand Rapids to San Juan Luis Munoz Marin Intl Airport are American Airlines ($113), United Airlines ($152), and Frontier ($173).

  • 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, January is the cheapest month in which you can book a flight from Grand Rapids to San Juan Luis Munoz Marin Intl Airport (average of $148). Flying from Grand Rapids to San Juan Luis Munoz Marin Intl Airport 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

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 October 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$140Average$282FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$256Average$514FlexibilityNo cancel feeOn-time69%
DeltaCheapest$265Average$478FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$293Average$481FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$385Average$605FlexibilityNo cancel feeOn-time63%

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