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San Juan

$190+ Cheap flights from Green Bay (GRB) 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 9/6. Fares are subject to change and may not be available on all flights or dates of travel.
GRB — SJU
Aug 25 — Sep 11
Mon 8/25
Mon 9/1
1 adult, Economy
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Cheapflights Tip: The best prices from Green Bay Austin-Straubel to San Juan are usually found in September or July, booked 23 days in advance, depart on a Monday or Tuesday and return on a Monday

Cheap flight deals from Green Bay to San Juan

Discover tips and strategies to find the most affordable flight options for your journey from Green Bay (GRB) 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 August 20, 2025.

Round-trip from

$215
(American Airlines)

One-way from

$190
(Delta)

Popular in

December

Cheapest in

September

Average price

$770
From Green Bay Austin-Straubel to San Juan
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One-way flight from Green Bay Austin-Straubel to San Juan
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Highest demand for flights based on searches. 13% potential increase in price ($90 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($25 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from Green Bay to San Juan

Cheapest flights from Green Bay to San Juan
Explore the most affordable flight options available from Green Bay to San Juan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 20, 2025.

This American Airlines deal was found by Cheapflights users on 8/18. 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 10/218:08 pmGRB - SJU
2 stops18h 46mAmerican Airlines
Tue 10/284:45 pmSJU - GRB
2 stops17h 29mAmerican Airlines
Deal found 8/18$215
This United Airlines deal was found by Cheapflights users on 8/19. 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.
Sat 9/66:15 amGRB - SJU
2 stops13h 23mUnited Airlines
Sat 9/131:05 amSJU - GRB
2 stops12h 39mUnited Airlines
Deal found 8/19$387
This American Airlines deal was found by Cheapflights users on 8/20. 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 8/286:26 pmGRB - SJU
2 stops20h 39mAmerican Airlines
Thu 10/21:37 pmSJU - GRB
2 stops20h 41mAmerican Airlines
Deal found 8/20$411
This American Airlines deal was found by Cheapflights users on 8/20. 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 9/186:26 pmGRB - SJU
2 stops20h 26mAmerican Airlines
Sun 9/213:05 pmSJU - GRB
2 stops19h 13mAmerican Airlines
Deal found 8/20$459
This United Airlines deal was found by Cheapflights users on 8/18. 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 10/216:15 amGRB - SJU
1 stop7h 29mUnited Airlines
Mon 10/271:05 amSJU - GRB
2 stops12h 28mUnited Airlines
Deal found 8/18$504
This American Airlines deal was found by Cheapflights users on 8/18. 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.
Wed 12/3111:18 amGRB - SJU
2 stops11h 07mAmerican Airlines
Sat 1/106:30 amSJU - GRB
2 stops11h 20mAmerican Airlines
Deal found 8/18$532
This United Airlines deal was found by Cheapflights users on 8/19. 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 11/208:00 amGRB - SJU
2 stops12h 22mUnited Airlines
Fri 11/288:10 amSJU - GRB
1 stop9h 00mUnited Airlines
Deal found 8/19$577

Cheapflights Fare Finder

 
Customize your flight search to find flights from Green Bay 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 August 20, 2025.
Use the filters below to find and compare flights from Green Bay to San Juan that are best for you.

Fly from

Green Bay

Fly to

San Juan

Route

Depart

Return

Price

Green BaySan Juan

GRB - SJU

GRBSJU

Green Bay Austin-Straubel

Tue 1/6

6:23 pm-3:45 pm

2 stops19h 22m

San Juan Luis Munoz Marin Intl

Fri 1/23

6:50 pm-10:50 am

2 stops18h 00m

$215

Green BaySan Juan

GRB - SJU

GRBSJU

Green Bay Austin-Straubel

Tue 2/10

6:23 pm-3:45 pm

2 stops19h 22m

San Juan Luis Munoz Marin Intl

Wed 2/18

6:50 pm-10:44 am

2 stops17h 54m

$215

Green BaySan Juan

GRB - SJU

GRBSJU

Green Bay Austin-Straubel

Tue 10/21

8:08 pm-3:54 pm

2 stops18h 46m

San Juan Luis Munoz Marin Intl

Tue 10/28

4:45 pm-9:14 am

2 stops17h 29m

$215

Green BaySan Juan

GRB - SJU

GRBSJU

Green Bay Austin-Straubel

Mon 1/12

6:23 pm-1:35 pm

2 stops17h 12m

San Juan Luis Munoz Marin Intl

Fri 1/23

6:50 pm-10:50 am

2 stops18h 00m

$215

Green BaySan Juan

GRB - SJU

GRBSJU

Green Bay Austin-Straubel

Sat 9/6

11:07 am-11:51 pm

2 stops11h 44m

$190

Green BaySan Juan

GRB - SJU

GRBSJU

Green Bay Austin-Straubel

Tue 8/26

9:42 am-9:30 pm

2 stops10h 48m

$190

Green BaySan Juan

GRB - SJU

GRBSJU

Green Bay Austin-Straubel

Sun 9/7

6:26 pm-6:15 pm

2 stops22h 49m

$196

Green BaySan Juan

GRB - SJU

GRBSJU

Green Bay Austin-Straubel

Thu 11/20

8:00 am-10:22 pm

2 stops12h 22m

$203

Green BaySan Juan

GRB - SJU

GRBSJU

Green Bay Austin-Straubel

Sun 9/7

6:15 am-2:44 pm

1 stop7h 29m

$235

Green BaySan Juan

GRB - SJU

GRBSJU

Green Bay Austin-Straubel

Thu 9/18

6:26 pm-3:52 pm

2 stops20h 26m

$241

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/18

Best time to book a flight from Green Bay to San Juan

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

How far ahead should I book a flight from Green Bay to San Juan?

Use this chart to determine the optimal time to book a round-trip flight from Green Bay to San Juan. Price data was last updated on August 8, 2025.

To ensure you get the cheapest price possible for a flight from Green Bay to San Juan, you should look to book at least 22 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Green Bay to San Juan?

Currently, September is the cheapest month in which you can book a flight from Green Bay to San Juan (average of $254). Flying from Green Bay to San Juan 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.

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 August 20, 2025.
Get a feel of what it's like to fly with Delta, United Airlines, and American Airlines from Green Bay to San Juan by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,982 reviews

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

7.9

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
7,982 reviews
Delta
8.0
Very good
7,982 reviews

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

7.9

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
8,928 reviews
Delta
8.0
Very good
7,982 reviews

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

7.9

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
7,982 reviews

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

7.9

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 Green Bay 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 Green Bay to San Juan?

    Located just 5.9 mi from the city center, Green Bay Austin-Straubel is the airport most travelers will use when flying to San Juan from Green Bay. Booking flights from Austin-Straubel (GRB) to San Juan should be relatively easy as there are 0 daily outbound flights to San Juan from 3 different airlines.

  • How long is the flight from Green Bay to San Juan?

    For as low as $215, American Airlines can have you in San Juan from Green Bay in 19h 22m. Airlines will cover a distance of 2205 mi.

  • What are the cheapest airlines flying from Green Bay to San Juan round-trip?

    According to our current data, American Airlines ($274), United Airlines ($275), and Delta ($284) offers the cheapest pricing from Green Bay to San Juan. American Airlines is currently priced 53% below the average price you’ll pay for this route.

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

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

  • How can I find direct flights from Green Bay to San Juan?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Green Bay to San Juan.

  • Can I find deals for business class flights from Green Bay to San Juan?

    Yes. Cheapflights offers flight deals from Green Bay 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 Green Bay to San Juan?

    Currently, September is the cheapest month in which you can book a flight from Green Bay to San Juan (average of $254). Flying from Green Bay to San Juan 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

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Top 3 airlines flying from Green Bay to San Juan

Discover the top 3 airlines that operate flights from Green Bay 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 August 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$274Average$517FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$275Average$704FlexibilityNo cancel feeOn-time69%
DeltaCheapest$284Average$559FlexibilityNo cancel feeOn-timeN/A

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