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San Juan

$442+ 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 5/7. Fares are subject to change and may not be available on all flights or dates of travel.
GJT — SJU
May 9 — May 161
Sat 5/9
Sat 5/16
1 adult, Economy
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Cheap 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 April 9, 2026.

This American Airlines deal was found by Cheapflights users on 4/6. 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.
Thu 5/74:58 pm
GJT
-
SJU
1 stop9h 34m
American Airlines
Mon 5/1111:59 pm
SJU
-
GJT
2 stops13h 17m
American Airlines
Deal found 4/6$442
This United Airlines deal was found by Cheapflights users on 4/5. 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 4/207:01 am
GJT
-
SJU
1 stop8h 37m
United Airlines
Thu 4/231:00 am
SJU
-
GJT
2 stops11h 49m
United Airlines
Deal found 4/5$554
This United Airlines deal was found by Cheapflights users on 4/5. 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.
Thu 4/167:01 am
GJT
-
SJU
2 stops14h 49m
United Airlines
Sat 4/181:00 am
SJU
-
GJT
2 stops11h 49m
United Airlines
Deal found 4/5$606
This United Airlines deal was found by Cheapflights users on 4/5. 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 4/265:30 am
GJT
-
SJU
1 stop10h 08m
United Airlines
Sat 5/21:00 am
SJU
-
GJT
2 stops11h 43m
United Airlines
Deal found 4/5$608
This American Airlines deal was found by Cheapflights users on 4/4. 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 4/266:00 am
GJT
-
SJU
1 stop15h 02m
American Airlines
Sun 5/311:59 pm
SJU
-
GJT
1 stop18h 28m
American Airlines
Deal found 4/4$609
This United Airlines deal was found by Cheapflights users on 4/4. 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.
Wed 5/135:30 am
GJT
-
SJU
2 stops13h 04m
United Airlines
Wed 5/201:40 pm
SJU
-
GJT
1 stop10h 38m
United Airlines
Deal found 4/4$634
This American Airlines deal was found by Cheapflights users on 4/5. 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 4/166:55 pm
GJT
-
SJU
2 stops13h 53m
American Airlines
Sun 4/196:45 am
SJU
-
GJT
1 stop17h 08m
American Airlines
Deal found 4/5$642

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 April 9, 2026.

Round-trip from

$442
(American Airlines)
From Grand Junction Regnl to San Juan
Search Deals

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 April 9, 2026.
Use the filters below to find and compare flights from Grand Junction to San Juan that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Grand JunctionSan Juan

GJT - SJU

GJTSJU

Grand Junction Regnl

Sun 4/26

5:30 am-8:38 pm

2 stops13h 08m

San Juan Luis Munoz Marin Intl

Sat 5/2

1:00 am-10:43 am

2 stops11h 43m

$608

Grand JunctionSan Juan

GJT - SJU

GJTSJU

Grand Junction Regnl

Sun 4/26

6:00 am-11:02 pm

1 stop15h 02m

San Juan Luis Munoz Marin Intl

Sun 5/3

11:59 pm-4:27 pm

1 stop18h 28m

$609
Quickest round-trip

Grand JunctionSan Juan

GJT - SJU

GJTSJU

Grand Junction Regnl

Wed 5/13

5:30 am-8:34 pm

2 stops13h 04m

San Juan Luis Munoz Marin Intl

Wed 5/20

1:40 pm-10:18 pm

1 stop10h 38m

$634

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/4

Sorted by cheapest first

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
No data available for this route at this time. Please check back soon.

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 April 9, 2026.
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
9,554 reviews

Comfort

7.3

Food

6.6

Boarding

7.7

Entertainment

7.1

Crew

8.1

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,554 reviews
United Airlines
7.4
Good
9,554 reviews

Comfort

7.3

Food

6.6

Boarding

7.7

Entertainment

7.1

Crew

8.1

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
American Airlines
7.1
Good
11,559 reviews
United Airlines
7.4
Good
9,554 reviews

Comfort

7.3

Food

6.6

Boarding

7.7

Entertainment

7.1

Crew

8.1

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

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 13h 08m. Fly via United Airlines or American Airlines to get the fastest option. Airlines will cover a distance of 2907 mi. This flight may include one or multiple stops.

  • 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 April 9, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$345Average$487FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$435Average$690FlexibilityNo cancel feeOn-time69%

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