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

For as low as $235, American Airlines can have you in San Juan from Green Bay in 18h 44m. 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, United Airlines ($275), American Airlines ($285), and Delta ($305) offers the cheapest pricing from Green Bay to San Juan. United Airlines is currently priced 52% below the average price you’ll pay for this route.

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.

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).

What are the most popular airlines that fly from Green Bay to San Juan?

The most popular airlines flying from Green Bay to San Juan are American Airlines, United Airlines and Delta. Something to consider prior to booking your flight.

What is the cheapest time of day to fly from GRB to SJU?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Green Bay to San Juan as you normally would.

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.

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.

$118+ Flights from Green Bay to San Juan

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from Green Bay to San Juan with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Green Bay Austin-Straubel to San Juan are usually found in September or July, booked 54 days in advance, depart on a Monday or Tuesday and return on a Monday

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 December 15, 2025.

Wed 12/174:32 pmGRB - SJU

2 stops17h 07mAmerican Airlines

Sun 1/117:12 pmSJU - GRB

2 stops17h 38mAmerican Airlines

Deal found 12/13

$511

Wed 12/174:32 pmGRB - SJU

2 stops19h 14mAmerican Airlines

Tue 1/65:51 pmSJU - GRB

2 stops18h 59mAmerican Airlines

Deal found 12/15

$542

Mon 12/157:17 amGRB - SJU

2 stops14h 35mAmerican Airlines

Tue 1/65:51 pmSJU - GRB

2 stops18h 59mAmerican Airlines

Deal found 12/13

$587

Sun 12/215:18 pmGRB - SJU

2 stops18h 36mAmerican Airlines

Fri 1/96:30 amSJU - GRB

2 stops17h 42mAmerican Airlines

Deal found 12/13

$649

Tue 12/235:25 amGRB - SJU

2 stops14h 40mAmerican Airlines

Sun 12/283:58 pmSJU - GRB

1 stop9h 38mAmerican Airlines

Deal found 12/14

$709

Best flights from Green Bay to San Juan
Discover carefully curated flight deals from Green Bay to San Juan that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 15, 2025.

Mon 2/24:53 pmGRB - SJU

2 stops18h 44mAmerican Airlines

Tue 2/105:51 pmSJU - GRB

2 stops18h 59mAmerican Airlines

Deal found 12/13

$235

Mon 1/265:00 amGRB - SJU

1 stop7h 31mDelta

Fri 1/303:55 pmSJU - GRB

1 stop8h 35mDelta

Deal found 12/15

$235

Tue 3/36:33 pmGRB - SJU

2 stops19h 13mAmerican Airlines

Tue 3/104:47 pmSJU - GRB

2 stops17h 43mAmerican Airlines

Deal found 12/14

$235

Tue 2/1011:20 amGRB - SJU

2 stops21h 28mAmerican Airlines

Tue 2/248:15 amSJU - GRB

2 stops14h 12mAmerican Airlines

Deal found 12/13

$268

Tue 2/104:53 pmGRB - SJU

2 stops17h 34mAmerican Airlines

Sat 2/147:00 pmSJU - GRB

2 stops17h 50mAmerican Airlines

Deal found 12/13

$268

Last-minute flights from Green Bay to San Juan
Discover last-minute flight deals from Green Bay to San Juan. Data last updated December 15, 2025 and is based on user searches.

Sat 1/104:53 pmGRB - SJU

2 stops18h 15mAmerican Airlines

Sat 1/316:00 amSJU - GRB

1 stop12h 23mAmerican Airlines

Deal found 12/14

$362

Sat 1/173:42 pmGRB - SJU

2 stops12h 29mUnited Airlines

Wed 1/288:35 amSJU - GRB

1 stop8h 32mUnited Airlines

Deal found 12/15

$402

Sun 1/184:53 pmGRB - SJU

2 stops18h 15mAmerican Airlines

Mon 1/265:55 pmSJU - GRB

2 stops18h 55mAmerican Airlines

Deal found 12/15

$293

Sun 1/184:53 pmGRB - SJU

2 stops18h 15mAmerican Airlines

Wed 1/288:20 amSJU - GRB

2 stops10h 03mAmerican Airlines

Deal found 12/15

$320

Sun 1/183:42 pmGRB - SJU

2 stops12h 29mUnited Airlines

Sat 1/247:45 amSJU - GRB

2 stops11h 02mUnited Airlines

Deal found 12/15

$325

Sun 1/184:53 pmGRB - SJU

2 stops18h 15mAmerican Airlines

Sat 1/243:54 pmSJU - GRB

2 stops20h 56mAmerican Airlines

Deal found 12/15

$365

Mon 1/1911:20 amGRB - SJU

2 stops23h 48mAmerican Airlines

Tue 1/276:00 amSJU - GRB

2 stops12h 23mAmerican Airlines

Deal found 12/15

$340

Mon 1/194:53 pmGRB - SJU

2 stops22h 08mAmerican Airlines

Sat 1/243:54 pmSJU - GRB

2 stops20h 56mAmerican Airlines

Deal found 12/15

$385

Tue 1/207:00 amGRB - SJU

2 stops14h 45mDelta

Wed 1/287:00 amSJU - GRB

2 stops11h 39mDelta

Deal found 12/15

$315

Sun 1/2511:20 amGRB - SJU

1 stop8h 19mAmerican Airlines

Tue 2/34:49 pmSJU - GRB

2 stops20h 01mAmerican Airlines

Deal found 12/15

$295

Mon 1/265:00 amGRB - SJU

1 stop7h 31mDelta

Fri 1/303:55 pmSJU - GRB

1 stop8h 35mDelta

Deal found 12/15

$235

One-way flights from Green Bay to San Juan
Search for one-way flight options from Green Bay to San Juan. Find affordable one-way fares based on user searches. Data last updated December 15, 2025.

Sun 1/112:39 pmGRB - SJU

2 stops13h 32mUnited Airlines

Deal found 12/14

$118

Sun 1/116:00 amGRB - SJU

1 stop7h 18mAmerican Airlines

Deal found 12/14

$245

Mon 1/1211:20 amGRB - SJU

1 stop8h 19mAmerican Airlines

Deal found 12/14

$300

Sat 4/46:00 amGRB - SJU

2 stops16h 52mAmerican Airlines

Deal found 12/13

$303

Tue 12/235:25 amGRB - SJU

2 stops14h 40mAmerican Airlines

Deal found 12/14

$305

Tue 12/237:00 amGRB - SJU

1 stop6h 47mDelta

Deal found 12/15

$333

Sat 3/285:28 pmGRB - SJU

2 stops26h 10mUnited Airlines

Deal found 12/13

$455

Find flight deals from Green Bay to San Juan

Round-trip from	$235 (American Airlines)
One-way from	$118 (United Airlines)
Popular in	December
Cheapest in	September
Average price	$933

From Green Bay Austin-Straubel to San Juan

Search Deals

One-way flight from Green Bay Austin-Straubel to San Juan

Search Deals

Highest demand for flights based on searches. 16% potential increase in price ($114 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 5% potential price decrease ($33 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Cheapflights Fare Finder

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

Green BaySan Juan

GRB - SJU

GRBSJU

Green Bay Austin-Straubel

Mon 2/2

4:53 pm-1:37 pm

2 stops18h 44m

San Juan Luis Munoz Marin Intl

Tue 2/10

5:51 pm-10:50 am

2 stops18h 59m

$235

Green BaySan Juan

GRB - SJU

GRBSJU

Green Bay Austin-Straubel

Mon 1/26

5:00 am-2:31 pm

1 stop7h 31m

San Juan Luis Munoz Marin Intl

Fri 1/30

3:55 pm-10:30 pm

1 stop8h 35m

$235

Green BaySan Juan

GRB - SJU

GRBSJU

Green Bay Austin-Straubel

Tue 3/3

6:33 pm-3:46 pm

2 stops19h 13m

San Juan Luis Munoz Marin Intl

Tue 3/10

4:47 pm-9:30 am

2 stops17h 43m

$235

Green BaySan Juan

GRB - SJU

GRBSJU

Green Bay Austin-Straubel

Tue 2/10

11:20 am-10:48 am

2 stops21h 28m

San Juan Luis Munoz Marin Intl

Tue 2/24

8:15 am-8:27 pm

2 stops14h 12m

$268

Green BaySan Juan

GRB - SJU

GRBSJU

Green Bay Austin-Straubel

Tue 2/10

4:53 pm-12:27 pm

2 stops17h 34m

San Juan Luis Munoz Marin Intl

Sat 2/14

7:00 pm-10:50 am

2 stops17h 50m

$268

Green BaySan Juan

GRB - SJU

GRBSJU

Green Bay Austin-Straubel

Sun 1/11

2:39 pm-6:11 am

2 stops13h 32m

$118

Green BaySan Juan

GRB - SJU

GRBSJU

Green Bay Austin-Straubel

Sat 4/4

6:38 pm-4:21 am

1 stop8h 43m

$245

Green BaySan Juan

GRB - SJU

GRBSJU

Green Bay Austin-Straubel

Sun 1/11

6:00 am-3:18 pm

1 stop7h 18m

$245

Green BaySan Juan

GRB - SJU

GRBSJU

Green Bay Austin-Straubel

Mon 1/12

11:20 am-9:39 pm

1 stop8h 19m

$300

Green BaySan Juan

GRB - SJU

GRBSJU

Green Bay Austin-Straubel

Tue 12/23

5:25 am-10:05 pm

2 stops14h 40m

$305

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/14

Showing 1-10 of 12 results

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?

To ensure you get the cheapest price possible for a flight from Green Bay to San Juan, you should look to book at least 54 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 $268). Flying from Green Bay to San Juan in August is currently the most expensive (average of $595). 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 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

7.9

Good

8,008 reviews

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

8,008 reviews

Delta

7.9

Good

8,008 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

United Airlines

7.4

Good

9,092 reviews

Delta

7.9

Good

8,008 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

American Airlines

7.2

Good

11,051 reviews

Delta

7.9

Good

8,008 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

Related info for your journey

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 $235, American Airlines can have you in San Juan from Green Bay in 18h 44m. 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, United Airlines ($275), American Airlines ($285), and Delta ($305) offers the cheapest pricing from Green Bay to San Juan. United Airlines is currently priced 52% 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 $268). Flying from Green Bay to San Juan in August is currently the most expensive (average of $595). 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

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Green Bay to San Juan

Complete your trip

San Juan car rentals

San Juan Luis Munoz Marin Intl Airport car rentals

Ponce Mercedita Airport car rentals

San Juan Isla Grande Airport car rentals

Vieques Airport car rentals

Aguadilla car rentals

Ponce car rentals

Condado car rentals

Santurce car rentals

San Juan Antiguo car rentals

Hato Rey Sur car rentals

Hato Rey Central car rentals

Top 3 airlines flying from Green Bay to San Juan

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$275	Average$543	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$285	Average$495	FlexibilityNo cancel fee	On-time71%
Delta	Cheapest$358	Average$676	FlexibilityNo cancel fee	On-timeN/A

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

$118+ 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 1/11. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Green Bay to San Juan with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Green Bay Austin-Straubel to San Juan are usually found in September or July, booked 54 days in advance, depart on a Monday or Tuesday and return on a Monday

Cheap flight deals from Green Bay to San Juan

Cheapest flights from Green Bay to San JuanExplore 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 December 15, 2025.

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 December 15, 2025.

Find flight deals from Green Bay to San Juan

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Green Bay to San Juan that are best for you.

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.

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 December 12, 2025.

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

Reviews of airlines servicing San Juan

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.

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?

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

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

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

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

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

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Green Bay to San Juan

See prices for flight routes from nearby airports that may be better suited for you.

Top 3 airlines flying from Green Bay to San Juan

100% Free

Book with Flexibility

Travel Smart

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 December 15, 2025.