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San Juan

$238+ Cheap flights from Grand Junction (GJT) 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 2/11. Fares are subject to change and may not be available on all flights or dates of travel.
GJT — SJU
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap flight deals from Grand Junction to San Juan

Best flights from Grand Junction to San Juan
Discover carefully curated flight deals from Grand Junction to San Juan that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 18, 2025.

This American Airlines deal was found by Cheapflights users on 12/16. 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.
Thu 2/264:43 pmGJT - SJU
2 stops14h 24mAmerican Airlines
Tue 3/37:30 amSJU - GJT
1 stop16h 19mAmerican Airlines
Deal found 12/16$365
This American Airlines deal was found by Cheapflights users on 12/15. 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.
Tue 2/246:00 amGJT - SJU
1 stop14h 32mAmerican Airlines
Sat 3/77:00 amSJU - GJT
2 stops17h 58mAmerican Airlines
Deal found 12/15$365
This American Airlines deal was found by Cheapflights users on 12/15. 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.
Fri 2/276:43 pmGJT - SJU
2 stops13h 58mAmerican Airlines
Wed 3/47:30 amSJU - GJT
1 stop17h 28mAmerican Airlines
Deal found 12/15$420

Find flight deals from Grand Junction to San Juan

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

Round-trip from

$365
(American Airlines)

One-way from

$238
(American Airlines)
From Grand Junction Regnl to San Juan
Search Deals
One-way flight from Grand Junction Regnl to San Juan
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Grand Junction 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 December 18, 2025.
Use the filters below to find and compare flights from Grand Junction to San Juan that are best for you.

Fly from

Grand Junction

Fly to

San Juan

Route

Depart

Return

Price

Grand JunctionSan Juan

GJT - SJU

GJTSJU

Grand Junction Regnl

Thu 2/26

4:43 pm-10:07 am

2 stops14h 24m

San Juan Luis Munoz Marin Intl

Tue 3/3

7:30 am-8:49 pm

1 stop16h 19m

$365

Grand JunctionSan Juan

GJT - SJU

GJTSJU

Grand Junction Regnl

Tue 2/24

6:00 am-11:32 pm

1 stop14h 32m

San Juan Luis Munoz Marin Intl

Sat 3/7

7:00 am-9:58 pm

2 stops17h 58m

$365

Grand JunctionSan Juan

GJT - SJU

GJTSJU

Grand Junction Regnl

Fri 2/27

6:43 pm-11:41 am

2 stops13h 58m

San Juan Luis Munoz Marin Intl

Wed 3/4

7:30 am-9:58 pm

1 stop17h 28m

$420

Grand JunctionSan Juan

GJT - SJU

GJTSJU

Grand Junction Regnl

Wed 2/11

12:46 pm-10:07 am

2 stops18h 21m

$238

Grand JunctionSan Juan

GJT - SJU

GJTSJU

Grand Junction Regnl

Thu 2/12

7:45 pm-1:57 am

3 stops51h 12m

$255

Grand JunctionSan Juan

GJT - SJU

GJTSJU

Grand Junction Regnl

Thu 2/12

10:30 am-11:32 pm

1 stop10h 02m

$393

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/15

Best time to book a flight from Grand Junction to San Juan

Have a flexible travel schedule? Discover the best time to fly to San Juan 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

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

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

It’s optimal to fly from Grand Junction to San Juan in the evening. By choosing this option you can save up to 54% on the cost of your flight, compared to a flight in the morning.

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 December 18, 2025.
Read reviews from past customers who have flown United Airlines and American Airlines from Grand Junction 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.
United Airlines
7.4
Good
9,091 reviews

Overall

7.4

Crew

8.1

Comfort

7.3

Entertainment

7.1

Food

6.6

Boarding

7.7

Reviews

1 / 20
4.0
Okay

Kevin,Dec 2025

BOS - EWR

Seems like every United flight has a delay and it’s always someone else’s fault. Step up and take some accountability
United Airlines
7.4
Good
9,091 reviews
United Airlines
7.4
Good
9,091 reviews

Overall

7.4

Crew

8.1

Comfort

7.3

Entertainment

7.1

Food

6.6

Boarding

7.7

Reviews

1 / 20
4.0
Okay

Kevin,Dec 2025

BOS - EWR

Seems like every United flight has a delay and it’s always someone else’s fault. Step up and take some accountability
American Airlines
7.2
Good
11,054 reviews
United Airlines
7.4
Good
9,091 reviews

Overall

7.4

Crew

8.1

Comfort

7.3

Entertainment

7.1

Food

6.6

Boarding

7.7

Reviews

1 / 20
4.0
Okay

Kevin,Dec 2025

BOS - EWR

Seems like every United flight has a delay and it’s always someone else’s fault. Step up and take some accountability

Related info for your journey

Find useful and relevant information for your journey from Grand Junction 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 Junction to San Juan?

    If you book a flight to San Juan from Grand Junction, you will be flying from Grand Junction Regnl, which is the city’s only airport. Grand Junction Regnl (GJT) is located 4.3 mi from the center of Grand Junction. There are 0 flights from Grand Junction Regnl to San Juan per day from 2 different airlines.

  • How long is the flight from Grand Junction to San Juan?

    There are many flights that can get you from Grand Junction to San Juan in 14h 24m. Fly via American Airlines to get the fastest option. Airlines will cover a distance of 2907 mi.

  • What are the cheapest airlines flying from Grand Junction to San Juan round-trip?

    Cheapflights users have booked flights from Grand Junction to San Juan round-trip from $345. Another airline that can offer you cheap pricing is United Airlines.

  • Can I find deals for flights from Grand Junction to San Juan that include hotel bookings?

    Yes. In addition to deals on Grand Junction to San Juan flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Grand Junction 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 Junction to San Juan.

  • Can I find deals for business class flights from Grand Junction to San Juan?

    Yes. Cheapflights offers flight deals from Grand Junction 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.

See more FAQs

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Top 2 airlines flying from Grand Junction to San Juan

Discover the top 2 airlines that operate flights from Grand Junction 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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$345Average$481FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$451Average$701FlexibilityNo cancel feeOn-time69%

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