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Luis Munoz Marin Intl

$173+ Cheap flights from Grand Junction (GJT) 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 9/15. Fares are subject to change and may not be available on all flights or dates of travel.
GJT — SJU
Aug 23 — Aug 301
Sat 8/23
Sat 8/30
1 adult, Economy
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Cheap flight deals from Grand Junction to Luis Munoz Marin Intl

Discover tips and strategies to find the most affordable flight options for your journey from Grand Junction (GJT) 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 August 18, 2025.

Round-trip from

$345
(American Airlines)

One-way from

$173
(American Airlines)

Popular in

December

Cheapest in

May
From Grand Junction Regnl to San Juan Luis Munoz Marin Intl
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One-way flight from Grand Junction Regnl to San Juan Luis Munoz Marin Intl
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Highest demand for flights based on searches. 14% potential increase in price ($115 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($34 potential savings vs. average RT price).
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Find flight deals from Grand Junction to Luis Munoz Marin Intl

Cheapest flights from Grand Junction to Luis Munoz Marin Intl
Explore the most affordable flight options available from Grand Junction to Luis Munoz Marin Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 18, 2025.

This American Airlines deal was found by Cheapflights users on 8/17. 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 11/82:09 pmGJT - SJU
2 stops19h 55mAmerican Airlines
Tue 11/116:42 pmSJU - GJT
2 stops18h 24mAmerican Airlines
Deal found 8/17$345
This United Airlines deal was found by Cheapflights users on 8/17. 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 12/85:30 amGJT - SJU
1 stop9h 55mUnited Airlines
Wed 12/107:45 amSJU - GJT
2 stops15h 40mUnited Airlines
Deal found 8/17$435
This American Airlines deal was found by Cheapflights users on 8/15. 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 12/87:06 pmGJT - SJU
2 stops22h 39mAmerican Airlines
Wed 12/106:40 amSJU - GJT
2 stops14h 07mAmerican Airlines
Deal found 8/15$442
This American Airlines deal was found by Cheapflights users on 8/16. 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 11/2412:10 pmGJT - SJU
2 stops22h 31mAmerican Airlines
Thu 11/276:30 amSJU - GJT
2 stops14h 20mAmerican Airlines
Deal found 8/16$512
This American Airlines deal was found by Cheapflights users on 8/16. 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 11/237:30 amGJT - SJU
2 stops13h 17mAmerican Airlines
Thu 11/276:30 amSJU - GJT
2 stops14h 20mAmerican Airlines
Deal found 8/16$627
This United Airlines deal was found by Cheapflights users on 8/17. 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 9/145:30 amGJT - SJU
2 stops13h 08mUnited Airlines
Sat 9/201:05 amSJU - GJT
2 stops13h 31mUnited Airlines
Deal found 8/17$664
This American Airlines deal was found by Cheapflights users on 8/16. 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 11/2412:10 pmGJT - SJU
2 stops22h 31mAmerican Airlines
Fri 11/284:55 pmSJU - GJT
2 stops20h 11mAmerican Airlines
Deal found 8/16$670
This American Airlines deal was found by Cheapflights users on 8/16. 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 11/2212:10 pmGJT - SJU
2 stops24h 24mAmerican Airlines
Thu 11/276:30 amSJU - GJT
2 stops14h 20mAmerican Airlines
Deal found 8/16$734

Cheapflights Fare Finder

 
Customize your flight search to find flights from Grand Junction 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 August 18, 2025.
Use the filters below to find and compare flights from Grand Junction to San Juan Luis Munoz Marin Intl Airport that are best for you.

Fly from

Grand Junction

Fly to

Luis Munoz Marin Intl

Route

Depart

Return

Price

Grand JunctionSan Juan

GJT - SJU

GJTSJU

Grand Junction Regnl

Sat 11/8

2:09 pm-1:04 pm

2 stops19h 55m

San Juan Luis Munoz Marin Intl

Tue 11/11

6:42 pm-10:06 am

2 stops18h 24m

$345

Grand JunctionSan Juan

GJT - SJU

GJTSJU

Grand Junction Regnl

Mon 1/26

4:35 pm-1:35 pm

2 stops18h 00m

San Juan Luis Munoz Marin Intl

Fri 1/30

9:25 am-9:24 pm

2 stops14h 59m

$345

Grand JunctionSan Juan

GJT - SJU

GJTSJU

Grand Junction Regnl

Wed 1/14

5:38 am-10:14 pm

2 stops13h 36m

San Juan Luis Munoz Marin Intl

Wed 1/21

6:45 am-9:24 pm

2 stops17h 39m

$345

Grand JunctionSan Juan

GJT - SJU

GJTSJU

Grand Junction Regnl

Mon 12/8

5:30 am-6:25 pm

1 stop9h 55m

San Juan Luis Munoz Marin Intl

Wed 12/10

8:10 am-8:25 pm

2 stops15h 15m

$435

Grand JunctionSan Juan

GJT - SJU

GJTSJU

Grand Junction Regnl

Mon 1/26

7:43 am-6:25 pm

1 stop7h 42m

San Juan Luis Munoz Marin Intl

Fri 1/30

8:35 am-10:15 pm

2 stops16h 40m

$435

Grand JunctionSan Juan

GJT - SJU

GJTSJU

Grand Junction Regnl

Mon 9/15

6:38 pm-3:52 pm

2 stops19h 14m

$173

Grand JunctionSan Juan

GJT - SJU

GJTSJU

Grand Junction Regnl

Sat 11/15

2:09 pm-12:05 pm

2 stops18h 56m

$179

Grand JunctionSan Juan

GJT - SJU

GJTSJU

Grand Junction Regnl

Mon 11/17

7:00 am-6:25 pm

1 stop8h 25m

$218

Grand JunctionSan Juan

GJT - SJU

GJTSJU

Grand Junction Regnl

Fri 11/14

10:36 am-9:35 pm

1 stop7h 59m

$224

Grand JunctionSan Juan

GJT - SJU

GJTSJU

Grand Junction Regnl

Mon 11/17

4:55 pm-1:41 pm

2 stops17h 46m

$224

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/16

Showing 1-10 of 14 results
1
2

Best time to book a flight from Grand Junction to Luis Munoz Marin Intl

Have a flexible travel schedule? Discover the best time to fly to Luis Munoz Marin Intl from Grand Junction 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 Junction to San Juan Luis Munoz Marin Intl Airport

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

Find hourly flight availability from Grand Junction 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 August 18, 2025.

It’s optimal to fly from Grand Junction to San Juan Luis Munoz Marin Intl Airport at noon. By choosing this option you can save up to 16% on the cost of your flight, compared to a flight in the morning.

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 August 18, 2025.
See what other customers who have flown with United Airlines and American Airlines from Grand Junction 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.
United Airlines
7.4
Good
8,925 reviews

Comfort

7.3

Food

6.6

Boarding

7.7

Crew

8.1

Entertainment

7.1

Overall

7.4

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,925 reviews
United Airlines
7.4
Good
8,925 reviews

Comfort

7.3

Food

6.6

Boarding

7.7

Crew

8.1

Entertainment

7.1

Overall

7.4

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,925 reviews

Comfort

7.3

Food

6.6

Boarding

7.7

Crew

8.1

Entertainment

7.1

Overall

7.4

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Related info for your journey

Find useful and relevant information for your journey from Grand Junction 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 Junction to San Juan Luis Munoz Marin Intl?

    For a flight from Grand Junction to San Juan Luis Munoz Marin Intl, you will be flying from Grand Junction Regnl. Grand Junction Regnl (GJT) is just 4.3 mi from the center of the city. Grand Junction Regnl is the only Grand Junction airport and it handles 0 outbound flights to San Juan Luis Munoz Marin Intl per day. 2 airlines have flights to San Juan Luis Munoz Marin Intl from Grand Junction Regnl on a regular basis.

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

    A quick flight from Grand Junction to San Juan Luis Munoz Marin Intl Airport can take about 19h 55m. American Airlines provides one of the quickest options available for as low as $345. The distance from Grand Junction to San Juan Luis Munoz Marin Intl Airport is about 2907 mi.

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

    According to our current data, American Airlines ($345), and United Airlines ($501) offers the cheapest pricing from Grand Junction to San Juan Luis Munoz Marin Intl Airport. American Airlines is 48% cheaper than the average price of flights available within the next 90 days to this destination.

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

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

  • How can I find direct flights from Grand Junction 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 Junction to Luis Munoz Marin Intl.

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

    Yes. Cheapflights offers flight deals from Grand Junction 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 Junction to San Juan Luis Munoz Marin Intl Airport?

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

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Alternative routes for Grand Junction to Luis Munoz Marin Intl

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Grand Junction to Luis Munoz Marin Intl

Discover the top 2 airlines that operate flights from Grand Junction 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 August 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$345Average$630FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$501Average$689FlexibilityNo cancel feeOn-time69%

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