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$483+ Cheap flights from Grand Junction (GJT) to San Juan

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/14. Fares are subject to change and may not be available on all flights or dates of travel.
GJT — SJU
May 12 — May 191
Mon 5/12
Mon 5/19
1 adult, Economy
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Cheap 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 May 7, 2025.

Round-trip from

$483
(American Airlines)

Popular in

December

Cheapest in

August

Average price

$546
From Grand Junction Regnl to San Juan
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Highest demand for flights based on searches. 10% potential increase in price ($69 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($31 potential savings vs. average RT price).
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Average for round-trip flights in May 2025
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Find flight deals from Grand Junction to San Juan

Cheapest flights from Grand Junction to San Juan
Explore the most affordable flight options available from Grand Junction to San Juan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 7, 2025.

This American Airlines deal was found by Cheapflights users on 5/6. 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 6/146:11 amGJT - SJU
2 stops20h 55mAmerican Airlines
Fri 6/2012:59 amSJU - GJT
2 stops19h 30mAmerican Airlines
Deal found 5/6$483
This United Airlines deal was found by Cheapflights users on 5/6. 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.
Tue 6/1711:29 amGJT - SJU
2 stops16h 01mUnited Airlines
Wed 6/251:40 pmSJU - GJT
1 stop8h 45mUnited Airlines
Deal found 5/6$491
This Delta deal was found by Cheapflights users on 5/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/156:52 pmGJT - SJU
2 stops16h 38mDelta
Sun 6/226:15 amSJU - GJT
2 stops18h 16mDelta
Deal found 5/6$1,699

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 May 7, 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

Sat 6/14

6:11 am-5:06 am

2 stops20h 55m

San Juan Luis Munoz Marin Intl

Wed 6/25

8:00 am-12:15 am

2 stops18h 15m

$483

Grand JunctionSan Juan

GJT - SJU

GJTSJU

Grand Junction Regnl

Tue 6/17

11:29 am-5:30 am

2 stops16h 01m

San Juan Luis Munoz Marin Intl

Wed 6/25

1:40 pm-8:25 pm

1 stop8h 45m

$491

Grand JunctionSan Juan

GJT - SJU

GJTSJU

Grand Junction Regnl

Sun 6/15

6:52 pm-1:30 pm

2 stops16h 38m

San Juan Luis Munoz Marin Intl

Sun 6/22

6:15 am-10:31 pm

2 stops18h 16m

$1,699

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/6

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 month to book a flight from Grand Junction to San Juan?

Currently, September is the cheapest month in which you can book a flight from Grand Junction to San Juan (average of $254). Flying from Grand Junction to San Juan in December is currently the most expensive (average of $336). 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 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 May 7, 2025.

It’s optimal to fly from Grand Junction to San Juan 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.

Rainfall in San Juan by month

Plan your trip to San Juan by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Juan ranges from 2.2 - 6.1 inches per month. November is typically the wettest month, when rainfall can reach 6.1 in. February is typically the driest time to visit San Juan when rainfall is around 2.2 in.

Temperature in San Juan by month

Plan your trip to San Juan by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Juan, use this chart to help with planning. For those seeking warmer temperatures, June is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 77.0 F).

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 May 7, 2025.
Delta
8.0
Very good
7,944 reviews

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,944 reviews
Delta
8.0
Very good
7,944 reviews

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,710 reviews
Delta
8.0
Very good
7,944 reviews

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,944 reviews

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

  • 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 $483. Other airlines that can offer you cheap pricing are United Airlines, from $491, and Delta, from $1,699. American Airlines is currently priced 21% below the average price you’ll pay for this route.

  • 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.

  • What is the cheapest month to book a flight from Grand Junction to San Juan?

    Currently, September is the cheapest month in which you can book a flight from Grand Junction to San Juan (average of $254). Flying from Grand Junction to San Juan in December is currently the most expensive (average of $336). 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

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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 May 7, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$300Average$608FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$447Average$689FlexibilityNo cancel feeOn-time69%

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