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

According to our current data, American Airlines ($292), United Airlines ($471), and Delta ($715) offers the cheapest pricing from Green Bay to San Juan. American Airlines is currently priced 56% below the average price you’ll pay for this route.

What are the cheapest airlines to fly from Green Bay to San Juan one-way?

The cheapest airlines for a one-way flight from Green Bay to San Juan are American Airlines ($116), Delta ($185), and United Airlines ($256).

What is the cheapest day to fly from Green Bay to San Juan?

Travelers seeking maximum savings on their Green Bay to San Juan flight should consider departing on Monday afternoons when fares are most often at their lowest. Friday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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, Delta and United Airlines. Something to consider prior to booking your flight.

What is the cheapest day to fly round-trip from Green Bay to San Juan?

Users have found that flying from Green Bay to San Juan on a Thursday typically leans towards higher prices. However, this doesn’t mean you still can’t find a deal. Flexibility with other aspects of your flight can still land a great price for your trip.

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

Travelers have found it’s best to book a flight 23 days in advance to save up to 89% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 23 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Green Bay to San Juan 1-2 weeks in advance for as low as $338, or $538 for flights within the next 24 hours.

What is the cheapest month to fly from Green Bay to San Juan?

Due to multiple factors, expect to potentially pay more when booking in December. For low rates, May can be a great choice for travel to San Juan. Flights to San Juan from Green Bay in May are about $679 on average during May, but can be found for as low as $267.

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.

$116+ Flights from Green Bay to San Juan

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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”

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Cheapflights Tip: The best prices from Green Bay Austin-Straubel to San Juan are usually found in May or January, 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

Round-trip from	$292 (American Airlines)
One-way from	$116 (American Airlines)
Popular in	December
Cheapest in	May
Average price	$659

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. 3% potential increase in price ($24 potential increase over avg. RT price).

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Cheapest flight prices on average. 3% potential price decrease ($23 potential savings vs. average RT price).

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Average for round-trip flights in March 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 March 28, 2025.

Sat 10/186:36 pmGRB - SJU

2 stops18h 44mAmerican Airlines

Sat 11/13:50 pmSJU - GRB

2 stops20h 57mAmerican Airlines

Deal found 3/27

$215

Wed 4/233:45 pmGRB - SJU

1 stop7h 09mUnited Airlines

Tue 4/297:25 amSJU - GRB

2 stops12h 34mUnited Airlines

Deal found 3/27

$471

Sat 10/185:30 amGRB - SJU

1 stop6h 53mDelta

Sat 11/12:28 pmSJU - GRB

1 stop8h 32mDelta

Deal found 3/27

$575

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 March 28, 2025.

Thu 8/216:27 pmGRB - SJU

2 stops19h 18mAmerican Airlines

Wed 8/273:50 pmSJU - GRB

2 stops19h 58mAmerican Airlines

Deal found 3/26

$292

Wed 4/233:45 pmGRB - SJU

1 stop7h 09mUnited Airlines

Tue 4/297:25 amSJU - GRB

2 stops12h 34mUnited Airlines

Deal found 3/27

$471

Sat 9/65:30 amGRB - SJU

1 stop10h 20mDelta

Sun 9/1412:55 pmSJU - GRB

1 stop10h 05mDelta

Deal found 3/27

$715

Last-minute flights from Green Bay to San Juan
Discover last-minute flight deals from Green Bay to San Juan. Data last updated March 28, 2025 and is based on user searches.

Sun 3/307:00 amGRB - SJU

2 stops15h 07mDelta

Tue 4/112:54 pmSJU - GRB

1 stop10h 32mDelta

Deal found 3/26

$747

Tue 4/111:30 amGRB - SJU

2 stops10h 20mAmerican Airlines

Tue 4/85:30 amSJU - GRB

2 stops17h 24mAmerican Airlines

Deal found 3/27

$369

Tue 4/13:45 pmGRB - SJU

1 stop7h 09mUnited Airlines

Tue 4/87:45 amSJU - GRB

1 stop27h 30mUnited Airlines

Deal found 3/27

$617

Wed 4/233:45 pmGRB - SJU

1 stop7h 09mUnited Airlines

Tue 4/297:25 amSJU - GRB

2 stops12h 34mUnited Airlines

Deal found 3/27

$471

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 March 28, 2025.

Sat 5/315:00 amGRB - SJU

2 stops17h 59mAmerican Airlines

Deal found 3/26

$116

Tue 4/15:40 amGRB - SJU

1 stop7h 32mDelta

Deal found 3/26

$185

Sun 6/11:10 pmGRB - SJU

1 stop9h 44mUnited Airlines

Deal found 3/27

$256

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

Thu 8/21

6:27 pm-2:45 pm

2 stops19h 18m

San Juan Luis Munoz Marin Intl

Wed 8/27

3:50 pm-10:48 am

2 stops19h 58m

$292

Green BaySan Juan

GRB - SJU

GRBSJU

Green Bay Austin-Straubel

Wed 4/23

3:45 pm-11:54 pm

1 stop7h 09m

San Juan Luis Munoz Marin Intl

Tue 4/29

7:25 am-6:59 pm

2 stops12h 34m

$471

Green BaySan Juan

GRB - SJU

GRBSJU

Green Bay Austin-Straubel

Sat 9/6

5:30 am-4:50 pm

1 stop10h 20m

San Juan Luis Munoz Marin Intl

Sun 9/14

12:55 pm-10:00 pm

1 stop10h 05m

$715

Green BaySan Juan

GRB - SJU

GRBSJU

Green Bay Austin-Straubel

Sat 5/31

5:00 am-11:59 pm

2 stops17h 59m

$116

Green BaySan Juan

GRB - SJU

GRBSJU

Green Bay Austin-Straubel

Tue 4/1

5:40 am-2:12 pm

1 stop7h 32m

$185

Green BaySan Juan

GRB - SJU

GRBSJU

Green Bay Austin-Straubel

Sun 6/1

1:10 pm-11:54 pm

1 stop9h 44m

$256

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/26

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 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?

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

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

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

See what other customers who have flown with Delta, United Airlines and American Airlines from Green Bay to San Juan have to say. 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.

Delta

8.0

Very good

7,896 reviews

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

7,896 reviews

Delta

8.0

Very good

7,896 reviews

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

8,603 reviews

Delta

8.0

Very good

7,896 reviews

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

7,896 reviews

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

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 ($292), United Airlines ($471), and Delta ($715) offers the cheapest pricing from Green Bay to San Juan. American Airlines is currently priced 56% below the average price you’ll pay for this route.
What are the cheapest airlines to fly from Green Bay to San Juan one-way?
The cheapest airlines for a one-way flight from Green Bay to San Juan are American Airlines ($116), Delta ($185), and United Airlines ($256).
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

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

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San Juan Isla Grande Airport car rentals

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Ponce car rentals

Condado car rentals

Santurce car rentals

Hato Rey Sur car rentals

San Juan Antiguo car rentals

Hato Rey Norte car rentals

Top 3 airlines flying from Green Bay to San Juan

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$275	Average$725	FlexibilityNo cancel fee	On-time69%
Delta	Cheapest$284	Average$616	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$312	Average$544	FlexibilityNo cancel fee	On-time71%

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$116+ 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.

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 May or January, 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

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find 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 March 28, 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 March 28, 2025.

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 March 21, 2025.

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

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 March 28, 2025.

Rainfall in San Juan by month

Plan your trip to San Juan by taking into account the average rainfall totals by month.

Temperature in San Juan by month

Plan your trip to San Juan by taking into account the average temperature totals by month.

Reviews of airlines servicing San Juan

See what other customers who have flown with Delta, United Airlines and American Airlines from Green Bay to San Juan have to say. 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.

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?

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

What are the cheapest airlines to fly from Green Bay to San Juan one-way?

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

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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 March 28, 2025.