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San Juan

$163+ 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 5/5. Fares are subject to change and may not be available on all flights or dates of travel.
GRB — SJU
Apr 23 — Apr 301
Thu 4/23
Thu 4/30
1 adult, Economy
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Cheap 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 March 24, 2026.

This American Airlines deal was found by Cheapflights users on 3/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/125:24 pm
GRB
-
SJU
2 stops16h 24m
American Airlines
Fri 4/177:25 am
SJU
-
GRB
2 stops17h 06m
American Airlines
Deal found 3/19$288
This United Airlines deal was found by Cheapflights users on 3/22. 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 4/1210:40 am
GRB
-
SJU
1 stop8h 54m
United Airlines
Thu 4/161:00 am
SJU
-
GRB
2 stops10h 00m
United Airlines
Deal found 3/22$326
This Delta deal was found by Cheapflights users on 3/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/35:15 am
GRB
-
SJU
1 stop10h 08m
Delta
Sat 5/92:35 pm
SJU
-
GRB
1 stop6h 59m
Delta
Deal found 3/19$338
This American Airlines deal was found by Cheapflights users on 3/23. 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 9/16:37 pm
GRB
-
SJU
2 stops19h 18m
American Airlines
Tue 9/88:00 am
SJU
-
GRB
2 stops16h 28m
American Airlines
Deal found 3/23$351
This United Airlines deal was found by Cheapflights users on 3/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/2510:40 am
GRB
-
SJU
1 stop8h 54m
United Airlines
Tue 4/287:20 am
SJU
-
GRB
2 stops12h 53m
United Airlines
Deal found 3/20$368
This Delta deal was found by Cheapflights users on 3/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/135:30 am
GRB
-
SJU
1 stop6h 46m
Delta
Sat 9/267:00 am
SJU
-
GRB
2 stops10h 33m
Delta
Deal found 3/20$376
This American Airlines deal was found by Cheapflights users on 3/21. 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 4/85:40 am
GRB
-
SJU
2 stops14h 11m
American Airlines
Wed 4/157:25 am
SJU
-
GRB
2 stops17h 06m
American Airlines
Deal found 3/21$413
This United Airlines deal was found by Cheapflights users on 3/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2810:40 am
GRB
-
SJU
2 stops12h 10m
United Airlines
Wed 4/291:00 am
SJU
-
GRB
2 stops12h 34m
United Airlines
Deal found 3/20$416

Find 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 March 24, 2026.

Round-trip from

$288
(American Airlines)

One-way from

$163
(Delta)

Popular in

December

Cheapest in

September

Average price

$635
From Green Bay Austin-Straubel to San Juan
Search Deals
One-way flight from Green Bay Austin-Straubel to San Juan
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Highest demand for flights based on searches. 19% potential increase in price ($141 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($29 potential savings vs. average RT price).
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Average for round-trip flights in March 2026
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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 March 24, 2026.
Use the filters below to find and compare flights from Green Bay to San Juan that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Green BaySan Juan

GRB - SJU

GRBSJU

Green Bay Austin-Straubel

Sun 4/12

10:40 am-8:34 pm

1 stop8h 54m

San Juan Luis Munoz Marin Intl

Thu 4/16

1:00 am-11:59 am

2 stops11h 59m

$326
Quickest round-trip

Green BaySan Juan

GRB - SJU

GRBSJU

Green Bay Austin-Straubel

Sun 5/3

5:15 am-4:23 pm

1 stop10h 08m

San Juan Luis Munoz Marin Intl

Sat 5/9

2:35 pm-8:34 pm

1 stop6h 59m

$326

Green BaySan Juan

GRB - SJU

GRBSJU

Green Bay Austin-Straubel

Sat 4/25

10:40 am-9:24 pm

2 stops9h 44m

San Juan Luis Munoz Marin Intl

Tue 4/28

7:20 am-7:13 pm

2 stops12h 53m

$368

Green BaySan Juan

GRB - SJU

GRBSJU

Green Bay Austin-Straubel

Tue 4/28

10:40 am-11:50 pm

2 stops12h 10m

San Juan Luis Munoz Marin Intl

Wed 4/29

1:00 am-12:34 pm

2 stops12h 34m

$416
Cheapest one-way

Green BaySan Juan

GRB - SJU

GRBSJU

Green Bay Austin-Straubel

Tue 5/5

7:00 am-8:24 pm

2 stops12h 24m

$163

Green BaySan Juan

GRB - SJU

GRBSJU

Green Bay Austin-Straubel

Thu 7/30

6:55 pm-1:33 pm

2 stops17h 38m

$169

Green BaySan Juan

GRB - SJU

GRBSJU

Green Bay Austin-Straubel

Mon 5/18

5:24 pm-12:03 pm

2 stops17h 39m

$236

Green BaySan Juan

GRB - SJU

GRBSJU

Green Bay Austin-Straubel

Fri 5/1

8:15 pm-2:44 pm

1 stop17h 29m

$358
Quickest one-way

Green BaySan Juan

GRB - SJU

GRBSJU

Green Bay Austin-Straubel

Sat 3/28

9:53 am-10:58 pm

2 stops12h 05m

$516

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/22

Sorted by cheapest first

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 March 13, 2026.

To ensure you get the cheapest price possible for a flight from Green Bay to San Juan, you should look to book at least 52 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, May is the cheapest month in which you can book a flight from Green Bay to San Juan (average of $271). Flying from Green Bay to San Juan in August is currently the most expensive (average of $596). 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 March 24, 2026.
Get a feel of what it's like to fly with Delta,United Airlines, andAmerican 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
7.9
Good
8,320 reviews

Comfort

7.9

Crew

8.5

Boarding

8.1

Food

7.2

Overall

7.9

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,320 reviews
Delta
7.9
Good
8,320 reviews

Comfort

7.9

Crew

8.5

Boarding

8.1

Food

7.2

Overall

7.9

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,469 reviews
Delta
7.9
Good
8,320 reviews

Comfort

7.9

Crew

8.5

Boarding

8.1

Food

7.2

Overall

7.9

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.1
Good
11,492 reviews
Delta
7.9
Good
8,320 reviews

Comfort

7.9

Crew

8.5

Boarding

8.1

Food

7.2

Overall

7.9

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

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 $326, United Airlines can have you in San Juan from Green Bay in 8h 54m. Airlines will cover a distance of 2205 mi. This flight may include one or multiple stops.

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

    According to our current data, American Airlines ($285), United Airlines ($311), and Delta ($317) offers the cheapest pricing from Green Bay to San Juan. American Airlines is currently priced 51% 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, May is the cheapest month in which you can book a flight from Green Bay to San Juan (average of $271). Flying from Green Bay to San Juan in August is currently the most expensive (average of $596). 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 March 24, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$285Average$471FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$311Average$567FlexibilityNo cancel feeOn-time69%
DeltaCheapest$317Average$659FlexibilityNo cancel feeOn-timeN/A

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