San Juan

$87+ Cheap flights from Wisconsin 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 3/3. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — SJU
Mar 4 — Mar 111
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Cheap flight deals from Wisconsin to San Juan

Cheapest flights from Wisconsin to San Juan
Explore the most affordable flight options available from Wisconsin to San Juan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 2, 2026.

This CheapOair deal was found by Cheapflights users on 1/31. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/258:30 am
ORD
-
SJU
1 stop14h 13m
Multiple Airlines
Tue 3/103:36 pm
SJU
-
ORD
1 stop9h 11m
Multiple Airlines
Deal found 1/31$187
This Frontier deal was found by Cheapflights users on 2/1. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/218:15 am
ORD
-
SJU
1 stop8h 44m
Frontier
Tue 2/243:53 am
SJU
-
ORD
1 stop13h 59m
Frontier
Deal found 2/1$188
This Kiwi.com deal was found by Cheapflights users on 1/31. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/2412:17 pm
ORD
-
SJU
Nonstop4h 32m
Spirit Airlines
Thu 3/512:32 pm
SJU
-
ORD
Nonstop5h 16m
Spirit Airlines
Deal found 1/31$189
This Kiwi.com deal was found by Cheapflights users on 2/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/38:16 pm
ORD
-
SJU
1 stop17h 15m
Multiple Airlines
Tue 3/108:11 pm
SJU
-
ORD
2 stops22h 46m
Multiple Airlines
Deal found 2/1$190
This Kiwi.com deal was found by Cheapflights users on 1/31. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/36:02 pm
ORD
-
SJU
2 stops19h 29m
Multiple Airlines
Wed 3/1110:52 am
SJU
-
ORD
1 stop22h 33m
Multiple Airlines
Deal found 1/31$191
This Kiwi.com deal was found by Cheapflights users on 2/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/2512:17 pm
ORD
-
SJU
Nonstop4h 32m
Spirit Airlines
Fri 3/611:52 am
SJU
-
ORD
1 stop8h 26m
Spirit Airlines
Deal found 2/1$192
This Kiwi.com deal was found by Cheapflights users on 1/31. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/227:23 pm
ORD
-
SJU
1 stop21h 35m
Multiple Airlines
Sat 3/74:41 pm
SJU
-
ORD
1 stop9h 06m
Multiple Airlines
Deal found 1/31$193
This Orbitz deal was found by Cheapflights users on 1/30. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/1010:48 am
ORD
-
SJU
1 stop10h 45m
Spirit Airlines
Thu 2/1212:32 pm
SJU
-
ORD
Nonstop5h 16m
Spirit Airlines
Deal found 1/30$194
This Cheapflightsfares deal was found by Cheapflights users on 1/31. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/910:48 am
ORD
-
SJU
1 stop10h 45m
Spirit Airlines
Thu 2/1212:32 pm
SJU
-
ORD
Nonstop5h 16m
Spirit Airlines
Deal found 1/31$195
This Kiwi.com deal was found by Cheapflights users on 2/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/45:15 am
ORD
-
SJU
1 stop8h 16m
Spirit Airlines
Thu 3/121:29 am
SJU
-
ORD
Nonstop5h 16m
Spirit Airlines
Deal found 2/1$196
This Cheapflightsfares deal was found by Cheapflights users on 2/1. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/2410:55 am
ORD
-
SJU
1 stop12h 03m
Spirit Airlines
Tue 3/311:29 am
SJU
-
ORD
Nonstop5h 16m
Spirit Airlines
Deal found 2/1$197
This Kiwi.com deal was found by Cheapflights users on 1/31. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/227:23 pm
ORD
-
SJU
1 stop21h 35m
Spirit Airlines
Wed 2/2511:52 am
SJU
-
ORD
1 stop23h 47m
Spirit Airlines
Deal found 1/31$198

Find flight deals from Wisconsin to San Juan

Keep the following information in mind while searching for Wisconsin to San Juan flight deals. Data was last updated February 2, 2026.

Round-trip from

$187
(CheapOair)

One-way from

$87
(Frontier)

Popular in

December

Cheapest in

September

Average price

$420
From Wisconsin to San Juan
One-way flight from Wisconsin to San Juan
Highest demand for flights based on searches. 16% potential increase in price ($86 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($20 potential savings vs. average RT price).
Average for round-trip flights in February 2026

Cheapflights Fare Finder

 
Customize your flight search to find flights from Wisconsin 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 February 2, 2026.
Use the filters below to find and compare flights from Wisconsin to San Juan that are best for you.

Fly from

Wisconsin

Fly to

San Juan

Route

Depart

Return

Price

ChicagoSan Juan

ORD - SJU

ORDSJU

Chicago O'Hare Intl

Sun 4/26

2:38 pm-8:34 pm

Nonstop4h 56m

San Juan Luis Munoz Marin Intl

Thu 4/30

3:56 pm-8:15 pm

Nonstop5h 19m

$237

ChicagoSan Juan

ORD - SJU

ORDSJU

Chicago O'Hare Intl

Mon 5/18

2:38 pm-8:34 pm

Nonstop4h 56m

San Juan Luis Munoz Marin Intl

Sat 5/23

7:40 am-11:53 am

Nonstop5h 13m

$237

MadisonSan Juan

MSN - SJU

MSNSJU

Madison Truax Field

Wed 2/25

11:20 am-11:58 pm

1 stop10h 38m

San Juan Luis Munoz Marin Intl

Wed 3/4

4:30 pm-10:48 pm

1 stop8h 18m

$256

MadisonSan Juan

MSN - SJU

MSNSJU

Madison Truax Field

Tue 2/24

5:00 am-4:52 pm

2 stops9h 52m

San Juan Luis Munoz Marin Intl

Wed 3/4

5:42 pm-10:08 am

1 stop18h 26m

$256

Green BaySan Juan

GRB - SJU

GRBSJU

Green Bay Austin-Straubel

Sat 5/9

11:06 am-10:54 pm

2 stops10h 48m

San Juan Luis Munoz Marin Intl

Sat 5/23

7:00 am-8:34 pm

2 stops14h 34m

$256

Green BaySan Juan

GRB - SJU

GRBSJU

Green Bay Austin-Straubel

Tue 3/3

11:13 am-9:12 pm

2 stops7h 59m

San Juan Luis Munoz Marin Intl

Tue 3/10

6:15 am-4:31 pm

2 stops11h 16m

$256

MilwaukeeSan Juan

MKE - SJU

MKESJU

Milwaukee-Mitchell

Sat 4/25

9:43 am-8:34 pm

1 stop9h 51m

San Juan Luis Munoz Marin Intl

Fri 5/1

1:00 am-10:04 am

1 stop10h 04m

$256

MilwaukeeSan Juan

MKE - SJU

MKESJU

Milwaukee-Mitchell

Sat 4/18

2:50 pm-11:12 pm

1 stop7h 22m

San Juan Luis Munoz Marin Intl

Wed 4/22

1:25 pm-8:25 pm

1 stop8h 00m

$256

MilwaukeeSan Juan

MKE - SJU

MKESJU

Milwaukee-Mitchell

Wed 2/25

1:35 pm-11:58 pm

1 stop8h 23m

San Juan Luis Munoz Marin Intl

Wed 3/11

1:17 pm-8:06 pm

1 stop7h 49m

$256

MilwaukeeSan Juan

MKE - SJU

MKESJU

Milwaukee-Mitchell

Mon 4/13

2:50 pm-11:12 pm

1 stop7h 22m

San Juan Luis Munoz Marin Intl

Wed 4/29

1:00 pm-11:57 pm

1 stop11h 57m

$256

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/1

Showing 1-10 of 60 results
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Best time to book a flight from Wisconsin to San Juan

Have a flexible travel schedule? Discover the best time to fly to San Juan from Wisconsin 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 Wisconsin to San Juan

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

Currently, November is the cheapest month in which you can book a flight from Wisconsin to San Juan (average of $113). Flying from Wisconsin to San Juan in June is currently the most expensive (average of $378). 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.

Related info for your journey

Find useful and relevant information for your journey from Wisconsin to San Juan. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • How long is the flight from Wisconsin to San Juan?

    A quick flight from Wisconsin to San Juan can take about 4h 56m. United Airlines provides one of the quickest options available for as low as $237. The distance between Wisconsin and San Juan is about 2073 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Wisconsin to San Juan one-way?

    The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $85. However, be on the lookout for offers from Southwest and United Airlines, as they are both options that can get you from Wisconsin to San Juan for a low price.

  • What are the most popular routes from Wisconsin to San Juan?

  • Can I find deals for flights from Wisconsin to San Juan that include hotel bookings?

    Yes. In addition to deals on Wisconsin to San Juan flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Wisconsin to San Juan?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Wisconsin to San Juan.

  • Can I find deals for business class flights from Wisconsin to San Juan?

    Yes. Cheapflights offers flight deals from Wisconsin 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 Wisconsin to San Juan?

    Currently, November is the cheapest month in which you can book a flight from Wisconsin to San Juan (average of $113). Flying from Wisconsin to San Juan in June is currently the most expensive (average of $378). 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

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Alternative routes for Wisconsin to San Juan

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

Top 6 airlines flying from Wisconsin to San Juan

Discover the top 6 airlines that operate flights from Wisconsin 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 February 2, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$85Average$297FlexibilityNo cancel feeOn-time62%
DeltaCheapest$118Average$568FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$182Average$540FlexibilityNo cancel feeOn-time69%
Spirit AirlinesCheapest$208Average$402FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$215Average$558FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$315Average$515FlexibilityNo cancel feeOn-time63%

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