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Luis Munoz Marin Intl

$123+ 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 2/16. Fares are subject to change and may not be available on all flights or dates of travel.
GRR — SJU
Feb 25 — Mar 41
Wed 2/25
Wed 3/4
1 adult, Economy
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Cheap 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 January 26, 2026.

This Priceline deal was found by Cheapflights users on 1/26. 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.
Mon 1/268:46 pm
GRR
-
SJU
1 stop26h 13m
Frontier
Tue 2/105:25 pm
SJU
-
GRR
1 stop20h 42m
Frontier
Deal found 1/26$263
This United Airlines deal was found by Cheapflights users on 1/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/47:24 am
GRR
-
SJU
1 stop7h 20m
United Airlines
Fri 5/81:00 am
SJU
-
GRR
2 stops11h 40m
United Airlines
Deal found 1/26$264
This United Airlines deal was found by Cheapflights users on 1/25. 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.
Sun 3/16:29 pm
GRR
-
SJU
2 stops10h 42m
United Airlines
Wed 3/42:05 am
SJU
-
GRR
2 stops11h 50m
United Airlines
Deal found 1/25$266
This CheapOair deal was found by Cheapflights users on 1/26. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/812:13 pm
GRR
-
SJU
1 stop11h 55m
Frontier
Wed 2/113:53 am
SJU
-
GRR
1 stop16h 54m
Frontier
Deal found 1/26$269
This Frontier deal was found by Cheapflights users on 1/25. 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.
Tue 2/177:47 pm
GRR
-
SJU
1 stop13h 07m
Frontier
Thu 2/263:53 am
SJU
-
GRR
1 stop10h 14m
Frontier
Deal found 1/25$277
This CheapOair deal was found by Cheapflights users on 1/26. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/78:05 pm
GRR
-
SJU
1 stop16h 17m
Frontier
Tue 2/105:25 pm
SJU
-
GRR
1 stop20h 42m
Frontier
Deal found 1/26$282
This CheapOair deal was found by Cheapflights users on 1/26. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/318:05 pm
GRR
-
SJU
1 stop12h 49m
Frontier
Sat 2/74:36 pm
SJU
-
GRR
1 stop19h 42m
Frontier
Deal found 1/26$283
This American Airlines deal was found by Cheapflights users on 1/26. 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 5/47:15 pm
GRR
-
SJU
1 stop9h 17m
American Airlines
Sat 5/96:00 am
SJU
-
GRR
1 stop7h 17m
American Airlines
Deal found 1/26$286
This United Airlines deal was found by Cheapflights users on 1/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/2312:50 pm
GRR
-
SJU
2 stops10h 46m
United Airlines
Wed 2/252:05 am
SJU
-
GRR
2 stops11h 36m
United Airlines
Deal found 1/26$292
This Frontier deal was found by Cheapflights users on 1/23. 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.
Sun 4/52:32 pm
GRR
-
SJU
1 stop10h 20m
Frontier
Thu 4/96:00 am
SJU
-
GRR
1 stop7h 47m
Frontier
Deal found 1/23$295
This Frontier deal was found by Cheapflights users on 1/26. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/318:05 pm
GRR
-
SJU
1 stop12h 49m
Frontier
Fri 2/68:00 am
SJU
-
GRR
1 stop12h 38m
Frontier
Deal found 1/26$298
This Frontier deal was found by Cheapflights users on 1/26. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/252:02 pm
GRR
-
SJU
1 stop9h 41m
Frontier
Thu 2/2610:57 am
SJU
-
GRR
1 stop9h 50m
Frontier
Deal found 1/26$299

Find 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 January 26, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$264
(United Airlines)

One-way from

$123
(United Airlines)

Popular in

December

Cheapest in

October

Average price

$454
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. 12% potential increase in price ($67 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($21 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
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 January 26, 2026.
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

Mon 2/23

9:15 am-10:22 pm

2 stops12h 07m

San Juan Luis Munoz Marin Intl

Thu 2/26

4:52 pm-11:53 pm

1 stop8h 01m

$336

Grand RapidsSan Juan

GRR - SJU

GRRSJU

Grand Rapids Gerald R. Ford Intl

Sun 2/8

6:00 am-6:22 pm

2 stops11h 22m

San Juan Luis Munoz Marin Intl

Thu 2/12

5:18 pm-12:41 am

1 stop8h 23m

$344

Grand RapidsSan Juan

GRR - SJU

GRRSJU

Grand Rapids Gerald R. Ford Intl

Tue 2/3

6:15 am-2:40 pm

1 stop7h 25m

San Juan Luis Munoz Marin Intl

Tue 2/10

8:35 am-3:55 pm

1 stop8h 20m

$344

Grand RapidsSan Juan

GRR - SJU

GRRSJU

Grand Rapids Gerald R. Ford Intl

Sat 1/31

8:05 pm-9:54 am

1 stop12h 49m

San Juan Luis Munoz Marin Intl

Mon 2/9

4:36 pm-6:52 pm

1 stop27h 16m

$367

Grand RapidsSan Juan

GRR - SJU

GRRSJU

Grand Rapids Gerald R. Ford Intl

Mon 2/23

6:28 pm-2:53 am

1 stop7h 25m

San Juan Luis Munoz Marin Intl

Mon 3/2

5:25 pm-6:52 pm

1 stop26h 27m

$372

Grand RapidsSan Juan

GRR - SJU

GRRSJU

Grand Rapids Gerald R. Ford Intl

Sat 1/31

6:59 pm-1:08 pm

1 stop17h 09m

San Juan Luis Munoz Marin Intl

Sat 2/7

8:20 am-6:02 pm

2 stops10h 42m

$384

Grand RapidsSan Juan

GRR - SJU

GRRSJU

Grand Rapids Gerald R. Ford Intl

Fri 2/27

6:20 pm-10:00 am

2 stops14h 40m

San Juan Luis Munoz Marin Intl

Thu 3/5

6:00 am-2:40 pm

1 stop9h 40m

$394

Grand RapidsSan Juan

GRR - SJU

GRRSJU

Grand Rapids Gerald R. Ford Intl

Tue 3/24

3:10 pm-12:15 am

2 stops9h 05m

San Juan Luis Munoz Marin Intl

Sat 3/28

5:00 am-3:55 pm

1 stop10h 55m

$415

Grand RapidsSan Juan

GRR - SJU

GRRSJU

Grand Rapids Gerald R. Ford Intl

Fri 1/30

11:41 am-9:00 pm

1 stop8h 19m

San Juan Luis Munoz Marin Intl

Sat 1/31

2:05 am-12:52 pm

2 stops11h 47m

$415

Grand RapidsSan Juan

GRR - SJU

GRRSJU

Grand Rapids Gerald R. Ford Intl

Mon 2/16

9:15 am-10:22 pm

2 stops12h 07m

San Juan Luis Munoz Marin Intl

Fri 2/27

8:05 am-5:50 pm

2 stops10h 45m

$416

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/24

Showing 1-10 of 20 results
1
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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 January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars
CheapTicketsDealPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star

*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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Grand Rapids-San Juan Luis Munoz Marin Intl Airport flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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 January 23, 2026.

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, March is the cheapest month in which you can book a flight from Grand Rapids to San Juan Luis Munoz Marin Intl Airport (average of $158). 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.

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 January 26, 2026.
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
4,268 reviews

Crew

8.6

Comfort

8.0

Food

7.0

Boarding

8.1

Entertainment

7.5

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Southwest
8.0
Very good
4,268 reviews
Southwest
8.0
Very good
4,268 reviews

Crew

8.6

Comfort

8.0

Food

7.0

Boarding

8.1

Entertainment

7.5

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Delta
7.9
Good
8,111 reviews
Southwest
8.0
Very good
4,268 reviews

Crew

8.6

Comfort

8.0

Food

7.0

Boarding

8.1

Entertainment

7.5

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
United Airlines
7.4
Good
9,199 reviews
Southwest
8.0
Very good
4,268 reviews

Crew

8.6

Comfort

8.0

Food

7.0

Boarding

8.1

Entertainment

7.5

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
American Airlines
7.2
Good
11,189 reviews
Southwest
8.0
Very good
4,268 reviews

Crew

8.6

Comfort

8.0

Food

7.0

Boarding

8.1

Entertainment

7.5

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Frontier
5.7
Fair
3,058 reviews
Southwest
8.0
Very good
4,268 reviews

Crew

8.6

Comfort

8.0

Food

7.0

Boarding

8.1

Entertainment

7.5

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

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 11h 22m. 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 $133. Other airlines that can offer you cheap pricing are Delta, from $178, and United Airlines, from $226. Frontier is priced at 71% 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 United Airlines ($112), American Airlines ($128), and Delta ($128).

  • 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, March is the cheapest month in which you can book a flight from Grand Rapids to San Juan Luis Munoz Marin Intl Airport (average of $158). 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
Fajardo
Dorado
Luquillo
Rio Grande
Humacao
Bayamón

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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 January 26, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$133Average$304FlexibilityNo cancel feeOn-time62%
DeltaCheapest$178Average$387FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$226Average$468FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$265Average$453FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$353Average$562FlexibilityNo cancel feeOn-time63%

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