Cheap Flights from Green Bay to San Juan Luis Munoz Marin

Compare Green Bay to San Juan Luis Munoz Marin flight deals

Find the cheapest month or even day of the year to fly to San Juan Luis Munoz Marin

Book the best San Juan Luis Munoz Marin fare with no extra fees

Flight deals from Green Bay to San Juan Luis Munoz Marin

Looking for a cheap last-minute deal or the best return flight from Green Bay to San Juan Luis Munoz Marin? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Green Bay to San Juan Luis Munoz Marin

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Green Bay to San Juan Luis Munoz Marin flights are currently cheapest in March.

Green Bay to San Juan: Flight information

The things to know before you go.
Cheapest flight foundRs53,256
Cheapest month to flyMarch

Finding cheap flights from Green Bay to San Juan Luis Munoz Marin: Frequently asked questions

The best price we found for a return flight from Green Bay to San Juan Luis Munoz Marin is Rs80,168. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Green Bay to San Juan Luis Munoz Marin. But we found flights with one or more stops from Rs80,168.
As of February 2026, there are no flights flying from Green Bay to San Juan Luis Munoz Marin.
The cheapest month to fly from Green Bay to San Juan Luis Munoz Marin is usually April.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Green Bay Airport to San Juan Luis Munoz Marin Airport on Sunday, 12 April 2026.
No airlines currently offer direct flights between Green Bay Airport and San Juan Luis Munoz Marin Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to San Juan Luis Munoz Marin but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to San Juan is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, United offers the cheapest flight tickets to San Juan Luis Munoz Marin.

Flying from Austin Straubel International Airport (GRB) to Luis Munoz Marin International Airport (SJU): what you need to know

  • The timezone in San Juan is UTC-4, which is one hour ahead of Green Bay.

  • Arriving two hours before an international flight and one hour ahead of a domestic departure are tried-and-true travel tips. Show up at the airport on time to board your GRB to SJU flight.

  • Flying during a peak month such as September? School holidays and other high seasons can lead to longer lines and delays at check-in and security. Be extra cautious and arrive up to four hours ahead of an international flight and two hours before a domestic departure.

  • If you want to include a stop along the way, simply deselect 'Direct flights only' when searching for your ticket from Austin Straubel International Airport to Luis Munoz Marin International Airport. Here are the most popular stopovers between GRB and SJU:

    • Hartsfield-Jackson Atlanta International Airport

    • O'Hare International Airport

    • Minneapolis-St. Paul International Airport

How to find the cheapest flights from Austin Straubel International Airport (GRB) to Luis Munoz Marin International Airport (SJU)

  • Rs53,256 is the best price for a one-way Austin Straubel International Airport to Luis Munoz Marin International Airport flight. Return flights start at Rs80,168. These prices may change based on demand.

  • To find cheap tickets from GRB to SJU, book as early as you can. Airlines generally offer their best fares when flights are first made available.

  • The 'Whole month' tool shows you the cheapest flights from Austin Straubel International Airport to Luis Munoz Marin International Airport across the entire month. It's an easy way to find a bargain if your trip dates aren't set in stone.

  • Cut down on the time spent looking for cheap flights from GRB to SJU by creating a Price Alert. You'll receive an email or notification through the app when a new low fare is offered.

  • Tailor your trip using filters. Select your ideal arrival and departure times, airlines and total journey duration. You can also sort your results by 'Cheapest,' 'Best' or 'Fastest' flights from Austin Straubel International Airport to Luis Munoz Marin International Airport.

Handy information about Austin Straubel International Airport (GRB)

  • GRB is located at 2077 Airport Drive.

  • When it comes to Austin Straubel International Airport's on-time performance, data shows 74.0% of flights arrive within the scheduled timeframe.

  • Central Green Bay to Austin Straubel International Airport is approximately 14 kilometres. Depending on traffic, it'll take you about 15 minutes to get there if you're driving, ride-sharing or catching a cab.

  • Get your trip off to a stress-free start by staying near GRB. Whether you're taking an early flight from Austin Straubel International Airport to Luis Munoz Marin International Airport or just don't want to be rushed, these stays are ideal:

Arriving at Luis Munoz Marin International Airport (SJU)

Getting from Luis Munoz Marin International Airport (SJU) to central San Juan

  • Luis Munoz Marin International Airport is approximately 8 kilometres from central San Juan. Driving there takes about 10 minutes.

  • If you're using public transport, expect a journey of roughly 55 minutes.

When to fly to Luis Munoz Marin International Airport (SJU)

  • July is the most popular month for flights from Austin Straubel International Airport to Luis Munoz Marin International Airport. To steer clear of the crowds, head to San Juan in May.

  • When reserving your flight from Austin Straubel International Airport to Luis Munoz Marin International Airport, consider the kind of weather you like. September is the warmest month in San Juan, with the temperature ranging from 23ºC to 33ºC.

  • If you want cooler conditions, search for a cheap ticket from GRB to SJU in February. Average temperatures are between 20ºC and 28ºC then.

Explore more of Puerto Rico

  • San Juan has plenty to offer, but there are so many other corners of Puerto Rico waiting to be explored. Around 10 kilometres west of San Juan, a trip to Bayamon will keep your itinerary packed. Start with leading attractions like Plazoleta Ignacio Zorrilla, La Plaza de la Bomba Puertorriqueña, Monumento a los Trovadores and Parque Palm Court.

  • If you're interested in discovering another well-known destination in Puerto Rico, head for Carolina, about 11 kilometres east of San Juan. Isla Verde Beach, Parque de Doble A Roberto Clemente Walker and Drone Zone Track are the start of reasons to visit.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.