$123+ 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 10/20. Fares are subject to change and may not be available on all flights or dates of travel.
GRB — SJU
Jun 13 — Jun 201
Round-trip
1 adult, Economy
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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 May 14, 2026.
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 May 14, 2026.
This Delta deal was found by Cheapflights users on 5/11. 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 10/1010:50 am
GRB
- SJU
2 stops10h 09m
Delta
Thu 10/1512:46 pm
SJU
- GRB
1 stop10h 11m
Delta
Deal found 5/11![Delta logo]()
$378
This American Airlines deal was found by Cheapflights users on 5/11. 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 10/108:10 pm
GRB
- SJU
2 stops16h 25m
American Airlines
Thu 10/153:50 pm
SJU
- GRB
2 stops18h 14m
American Airlines
Deal found 5/11![American Airlines logo]()
$409
This Delta deal was found by Cheapflights users on 5/13. 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.
Wed 9/305:30 am
GRB
- SJU
1 stop10h 01m
Delta
Sun 10/42:26 pm
SJU
- GRB
1 stop8h 32m
Delta
Deal found 5/13![Delta logo]()
$413
This American Airlines deal was found by Cheapflights users on 5/13. 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.
Thu 8/65:43 am
GRB
- SJU
1 stop16h 24m
American Airlines
Tue 8/116:00 am
SJU
- GRB
2 stops19h 16m
American Airlines
Deal found 5/13![American Airlines logo]()
$419
This American Airlines deal was found by Cheapflights users on 5/13. 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 8/296:54 pm
GRB
- SJU
2 stops19h 00m
American Airlines
Sun 9/612:59 am
SJU
- GRB
1 stop14h 41m
American Airlines
Deal found 5/13![American Airlines logo]()
$444
This American Airlines deal was found by Cheapflights users on 5/11. 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 8/126:54 pm
GRB
- SJU
2 stops17h 49m
American Airlines
Sat 8/1512:59 am
SJU
- GRB
1 stop11h 58m
American Airlines
Deal found 5/11![American Airlines logo]()
$476
This American Airlines deal was found by Cheapflights users on 5/11. 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.
Thu 5/145:24 pm
GRB
- SJU
2 stops19h 25m
American Airlines
Thu 5/217:00 am
SJU
- GRB
2 stops12h 19m
American Airlines
Deal found 5/11![American Airlines logo]()
$524
Best flights from Green Bay to San JuanDiscover 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 May 14, 2026.
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 May 14, 2026.
This Delta deal was found by Cheapflights users on 5/11. 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 10/1010:50 am
GRB
- SJU
2 stops10h 09m
Delta
Thu 10/1512:46 pm
SJU
- GRB
1 stop10h 11m
Delta
Deal found 5/11![Delta logo]()
$378
This American Airlines deal was found by Cheapflights users on 5/11. 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 10/108:10 pm
GRB
- SJU
2 stops16h 25m
American Airlines
Thu 10/153:50 pm
SJU
- GRB
2 stops18h 14m
American Airlines
Deal found 5/11![American Airlines logo]()
$409
This United Airlines deal was found by Cheapflights users on 5/13. 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.
Wed 6/36:30 am
GRB
- SJU
2 stops16h 20m
United Airlines
Sat 6/137:20 am
SJU
- GRB
2 stops12h 51m
United Airlines
Deal found 5/13![United Airlines logo]()
$716
This American Airlines deal was found by Cheapflights users on 5/11. 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 8/126:54 pm
GRB
- SJU
2 stops17h 49m
American Airlines
Sun 8/167:20 am
SJU
- GRB
2 stops17h 56m
American Airlines
Deal found 5/11![American Airlines logo]()
$516
This Delta deal was found by Cheapflights users on 5/13. 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 8/295:24 am
GRB
- SJU
1 stop7h 18m
Delta
Mon 9/72:40 pm
SJU
- GRB
1 stop8h 18m
Delta
Deal found 5/13![Delta logo]()
$527
This Delta deal was found by Cheapflights users on 5/13. 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.
Thu 10/87:00 am
GRB
- SJU
2 stops13h 59m
Delta
Sun 10/1112:46 pm
SJU
- GRB
1 stop10h 11m
Delta
Deal found 5/13![Delta logo]()
$619
This Delta deal was found by Cheapflights users on 5/13. 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.
Wed 8/125:24 am
GRB
- SJU
1 stop10h 13m
Delta
Sun 8/1612:56 pm
SJU
- GRB
1 stop10h 10m
Delta
Deal found 5/13![Delta logo]()
$637
Last-minute flights from Green Bay to San JuanDiscover last-minute flight deals from Green Bay to San Juan. Data last updated May 14, 2026 and is based on user searches.
Discover last-minute flight deals from Green Bay to San Juan. Data last updated May 14, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 5/13. 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 5/135:24 pm
GRB
- SJU
2 stops16h 24m
American Airlines
Wed 5/206:00 am
SJU
- GRB
2 stops11h 54m
American Airlines
Deal found 5/13![American Airlines logo]()
$535
This American Airlines deal was found by Cheapflights users on 5/11. 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.
Thu 5/145:24 pm
GRB
- SJU
2 stops19h 25m
American Airlines
Thu 5/217:00 am
SJU
- GRB
2 stops12h 19m
American Airlines
Deal found 5/11![American Airlines logo]()
$524
This American Airlines deal was found by Cheapflights users on 5/10. 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.
Mon 6/12:55 pm
GRB
- SJU
2 stops17h 44m
American Airlines
Tue 6/27:15 pm
SJU
- GRB
2 stops17h 30m
American Airlines
Deal found 5/10![American Airlines logo]()
$589
This American Airlines deal was found by Cheapflights users on 5/10. 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 6/106:54 pm
GRB
- SJU
2 stops17h 03m
American Airlines
Thu 9/243:55 pm
SJU
- GRB
2 stops18h 09m
American Airlines
Deal found 5/10![American Airlines logo]()
$586
This United Airlines deal was found by Cheapflights users on 5/10. 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.
Wed 6/1010:37 am
GRB
- SJU
1 stop8h 57m
United Airlines
Thu 9/243:56 pm
SJU
- GRB
1 stop9h 23m
United Airlines
Deal found 5/10![United Airlines logo]()
$617
One-way flights from Green Bay to San JuanSearch for one-way flight options from Green Bay to San Juan. Find affordable one-way fares based on user searches. Data last updated May 14, 2026.
Search for one-way flight options from Green Bay to San Juan. Find affordable one-way fares based on user searches. Data last updated May 14, 2026.
This Delta deal was found by Cheapflights users on 5/10. 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.
Tue 10/2010:50 am
GRB
- SJU
2 stops12h 06m
Delta
Deal found 5/10![Delta logo]()
$123
This Delta deal was found by Cheapflights users on 5/10. 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 10/185:30 am
GRB
- SJU
1 stop6h 51m
Delta
Deal found 5/10![Delta logo]()
$163
This American Airlines deal was found by Cheapflights users on 5/10. 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 10/188:10 pm
GRB
- SJU
2 stops17h 30m
American Airlines
Deal found 5/10![American Airlines logo]()
$216
This American Airlines deal was found by Cheapflights users on 5/10. 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.
Thu 7/309:51 am
GRB
- SJU
1 stop13h 07m
American Airlines
Deal found 5/10![American Airlines logo]()
$246
This Delta deal was found by Cheapflights users on 5/11. 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.
Tue 5/195:20 am
GRB
- SJU
1 stop10h 13m
Delta
Deal found 5/11![Delta logo]()
$255
This American Airlines deal was found by Cheapflights users on 5/11. 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 5/195:40 am
GRB
- SJU
2 stops14h 11m
American Airlines
Deal found 5/11![American Airlines logo]()
$262
This American Airlines deal was found by Cheapflights users on 5/10. 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 6/276:04 am
GRB
- SJU
2 stops15h 56m
American Airlines
Deal found 5/10![American Airlines logo]()
$279
This American Airlines deal was found by Cheapflights users on 5/10. 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.
Mon 6/296:51 pm
GRB
- SJU
2 stops18h 15m
American Airlines
Deal found 5/10![American Airlines logo]()
$285
This American Airlines deal was found by Cheapflights users on 5/10. 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 10/216:11 am
GRB
- SJU
1 stop6h 34m
American Airlines
Deal found 5/10![American Airlines logo]()
$313
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 May 14, 2026.
Round-trip from | $326 (American Airlines) |
|---|---|
One-way from | $123 (Delta) |
Popular in | December |
Cheapest in | September |
Average price | $476 |
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 May 14, 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
Cheapest round-trip
Green BaySan Juan
GRB - SJU
GRBSJU
Green Bay Austin-Straubel
Sat 10/10
10:50 am-9:59 pm
2 stops10h 09m
San Juan Luis Munoz Marin Intl
Thu 10/15
12:46 pm-9:57 pm
1 stop10h 11m
$378
Green BaySan Juan
GRB - SJU
GRBSJU
Green Bay Austin-Straubel
Sat 10/10
8:10 pm-1:35 pm
2 stops16h 25m
San Juan Luis Munoz Marin Intl
Thu 10/15
3:50 pm-9:04 am
2 stops18h 14m
$409
Green BaySan Juan
GRB - SJU
GRBSJU
Green Bay Austin-Straubel
Wed 8/12
6:54 pm-1:43 pm
2 stops17h 49m
San Juan Luis Munoz Marin Intl
Sun 8/16
7:20 am-12:16 am
2 stops17h 56m
$516
Quickest round-trip
Green BaySan Juan
GRB - SJU
GRBSJU
Green Bay Austin-Straubel
Sat 8/29
5:24 am-1:42 pm
1 stop7h 18m
San Juan Luis Munoz Marin Intl
Mon 9/7
2:40 pm-9:58 pm
1 stop8h 18m
$527
Green BaySan Juan
GRB - SJU
GRBSJU
Green Bay Austin-Straubel
Thu 10/8
7:00 am-9:59 pm
2 stops13h 59m
San Juan Luis Munoz Marin Intl
Sun 10/11
12:46 pm-9:57 pm
1 stop10h 11m
$619
Green BaySan Juan
GRB - SJU
GRBSJU
Green Bay Austin-Straubel
Wed 8/12
5:24 am-4:37 pm
1 stop10h 13m
San Juan Luis Munoz Marin Intl
Sun 8/16
12:56 pm-10:06 pm
1 stop10h 10m
$637
Green BaySan Juan
GRB - SJU
GRBSJU
Green Bay Austin-Straubel
Wed 6/3
6:30 am-11:50 pm
2 stops16h 20m
San Juan Luis Munoz Marin Intl
Sat 6/13
7:20 am-7:11 pm
2 stops12h 51m
$716
Cheapest one-way
Green BaySan Juan
GRB - SJU
GRBSJU
Green Bay Austin-Straubel
Tue 10/20
5:30 am-4:33 pm
1 stop10h 03m
$163
Green BaySan Juan
GRB - SJU
GRBSJU
Green Bay Austin-Straubel
Sun 10/18
5:30 am-1:21 pm
1 stop6h 51m
$163
Green BaySan Juan
GRB - SJU
GRBSJU
Green Bay Austin-Straubel
Thu 7/30
9:51 am-11:58 pm
1 stop13h 07m
$246
Showing 1-10 of 15 resultsSorted 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.
GRB-PR1
GRB-SJU
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
GRB-PR1
GRB-SJU
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 36 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 $226). Flying from Green Bay to San Juan in December is currently the most expensive (average of $605). 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.
How much does it cost to fly round-trip from Green Bay to San Juan?
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 May 14, 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.
Overall
7.9
Food
7.2
Entertainment
7.8
Comfort
7.8
Crew
8.5
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Overall
7.9
Food
7.2
Entertainment
7.8
Comfort
7.8
Crew
8.5
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Overall
7.9
Food
7.2
Entertainment
7.8
Comfort
7.8
Crew
8.5
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Overall
7.9
Food
7.2
Entertainment
7.8
Comfort
7.8
Crew
8.5
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
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.
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Complete your trip
Complete your trip to San Juan by adding a car rental and/or hotel reservation to your travel itinerary.
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Find flights from Green Bay to San Juan, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Green Bay and San Juan flights
Browse other Green Bay and San Juan flight options. Last updated on May 14, 2026.
Other flights from Green Bay
Browse through other flights departing from Green Bay. Flights are based on user searches made on Cheapflights and were last updated on May 14, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 May 14, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$230 | Average$551 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$289 | Average$493 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$317 | Average$659 | FlexibilityNo cancel fee | On-timeN/A |