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San Juan

$148+ 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 5/31. Fares are subject to change and may not be available on all flights or dates of travel.
GRB — SJU
Apr 22 — Apr 291
Tue 4/22
Tue 4/29
1 adult, Economy
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Cheapflights Tip: The best prices from Green Bay Austin-Straubel to San Juan are usually found in May or April, 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 April 17, 2025.

Round-trip from

$215
(American Airlines)

One-way from

$148
(American Airlines)

Popular in

March

Cheapest in

May

Average price

$471
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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High demand for flights, 1% potential price rise
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Cheapest flight prices on average. 4% potential price decrease ($27 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 17, 2025.

This American Airlines deal was found by Cheapflights users on 4/17. 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 10/186:36 pmGRB - SJU
2 stops18h 44mAmerican Airlines
Sat 11/13:50 pmSJU - GRB
2 stops20h 57mAmerican Airlines
Deal found 4/17$215
This Delta deal was found by Cheapflights users on 4/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/45:30 amGRB - SJU
1 stop9h 38mDelta
Fri 10/172:28 pmSJU - GRB
1 stop8h 30mDelta
Deal found 4/15$430
This United Airlines deal was found by Cheapflights users on 4/17. 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 5/243:45 pmGRB - SJU
1 stop7h 09mUnited Airlines
Fri 5/301:05 amSJU - GRB
2 stops12h 17mUnited Airlines
Deal found 4/17$495

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 April 17, 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

Sat 9/13

6:10 pm-2:19 pm

2 stops19h 09m

San Juan Luis Munoz Marin Intl

Sat 9/27

1:55 pm-9:21 am

2 stops20h 26m

$215

Green BaySan Juan

GRB - SJU

GRBSJU

Green Bay Austin-Straubel

Sat 10/4

5:30 am-4:08 pm

1 stop9h 38m

San Juan Luis Munoz Marin Intl

Fri 10/17

2:28 pm-9:58 pm

1 stop8h 30m

$430

Green BaySan Juan

GRB - SJU

GRBSJU

Green Bay Austin-Straubel

Sat 5/24

3:45 pm-11:54 pm

1 stop7h 09m

San Juan Luis Munoz Marin Intl

Fri 5/30

1:05 am-12:22 pm

2 stops12h 17m

$495

Green BaySan Juan

GRB - SJU

GRBSJU

Green Bay Austin-Straubel

Sat 5/31

6:22 pm-12:45 pm

2 stops17h 23m

$148

Green BaySan Juan

GRB - SJU

GRBSJU

Green Bay Austin-Straubel

Tue 4/29

6:45 am-2:44 pm

1 stop6h 59m

$230

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/17

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 April 11, 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 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 GRB to SJU?

Find hourly flight availability from Green Bay 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 April 17, 2025.

It’s typically best to fly out from Green Bay to San Juan at noon. Doing so could potentially save you 24% on the flight price compared to flying in the morning, which is usually more expensive.

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 April 17, 2025.
Delta
8.0
Very good
7,917 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,917 reviews
Delta
8.0
Very good
7,917 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,667 reviews
Delta
8.0
Very good
7,917 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,917 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.

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

    According to our current data, American Airlines ($215), Delta ($430), and United Airlines ($495) offers the cheapest pricing from Green Bay to San Juan. American Airlines is currently priced 68% 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 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 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 April 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$275Average$704FlexibilityNo cancel feeOn-time69%
DeltaCheapest$284Average$616FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$285Average$528FlexibilityNo cancel feeOn-time71%

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