HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Luis Munoz Marin Intl

$235+ Cheap flights from Oshkosh, WI to Luis Munoz Marin Intl (SJU)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/3. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — SJU
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Oshkosh to Luis Munoz Marin Intl 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 Oshkosh to San Juan Luis Munoz Marin Intl are usually found in November or April, booked 31 days in advance, depart on a Sunday or Tuesday and return on a Monday

Cheap flight deals from Oshkosh to Luis Munoz Marin Intl

Cheapest flights from Oshkosh to Luis Munoz Marin Intl
Explore the most affordable flight options available from Oshkosh to Luis Munoz Marin Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

This Delta deal was found by Cheapflights users on 12/16. 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 12/207:00 amATW - SJU
1 stop6h 47mDelta
Sat 12/274:45 pmSJU - ATW
1 stop8h 24mDelta
Deal found 12/16$577
This American Airlines deal was found by Cheapflights users on 12/17. 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 12/319:51 amATW - SJU
1 stop17h 09mAmerican Airlines
Tue 1/68:20 amSJU - ATW
1 stop17h 01mAmerican Airlines
Deal found 12/17$622
This United Airlines deal was found by Cheapflights users on 12/17. 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 12/318:10 amATW - SJU
2 stops14h 26mUnited Airlines
Tue 1/67:00 amSJU - ATW
2 stops10h 04mUnited Airlines
Deal found 12/17$679
This American Airlines deal was found by Cheapflights users on 12/16. 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 12/205:00 amATW - SJU
1 stop15h 05mAmerican Airlines
Sat 12/277:00 amSJU - ATW
2 stops13h 56mAmerican Airlines
Deal found 12/16$680
This United Airlines deal was found by Cheapflights users on 12/16. 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.
Tue 12/165:20 pmATW - SJU
2 stops26h 06mUnited Airlines
Wed 1/72:05 amSJU - ATW
2 stops14h 04mUnited Airlines
Deal found 12/16$845
This American Airlines deal was found by Cheapflights users on 12/16. 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.
Fri 12/265:00 amATW - SJU
1 stop9h 17mAmerican Airlines
Fri 12/268:35 pmSJU - ATW
2 stops14h 46mAmerican Airlines
Deal found 12/16$1,379

Find flight deals from Oshkosh to Luis Munoz Marin Intl

Keep the following information in mind while searching for Oshkosh to Luis Munoz Marin Intl flight deals. Data was last updated December 18, 2025.

Round-trip from

$235
(American Airlines)

Popular in

March

Cheapest in

November

Average price

$695
From Oshkosh to San Juan Luis Munoz Marin Intl
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($52 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($31 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Oshkosh to Luis Munoz Marin Intl 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 December 18, 2025.
Use the filters below to find and compare flights from Oshkosh to San Juan Luis Munoz Marin Intl Airport that are best for you.

Fly from

Oshkosh

Fly to

Luis Munoz Marin Intl

Route

Depart

Return

Price

AppletonSan Juan

ATW - SJU

ATWSJU

Appleton Intl

Tue 2/3

7:15 am-9:39 pm

1 stop12h 24m

San Juan Luis Munoz Marin Intl

Fri 2/13

6:00 am-7:42 pm

1 stop15h 42m

$235

AppletonSan Juan

ATW - SJU

ATWSJU

Appleton Intl

Thu 5/28

2:43 pm-5:30 am

2 stops13h 47m

San Juan Luis Munoz Marin Intl

Tue 6/2

2:05 am-2:07 pm

2 stops13h 02m

$325

AppletonSan Juan

ATW - SJU

ATWSJU

Appleton Intl

Wed 4/15

6:35 am-8:38 pm

2 stops13h 03m

San Juan Luis Munoz Marin Intl

Mon 4/20

7:40 am-4:50 pm

1 stop10h 10m

$325

AppletonSan Juan

ATW - SJU

ATWSJU

Appleton Intl

Sun 4/26

6:17 am-12:10 am

2 stops16h 53m

San Juan Luis Munoz Marin Intl

Wed 4/29

5:40 am-9:34 pm

2 stops16h 54m

$350

AppletonSan Juan

ATW - SJU

ATWSJU

Appleton Intl

Tue 2/3

6:30 am-10:26 pm

1 stop13h 56m

San Juan Luis Munoz Marin Intl

Tue 2/10

6:00 am-6:01 pm

1 stop14h 01m

$361

AppletonSan Juan

ATW - SJU

ATWSJU

Appleton Intl

Mon 2/2

12:35 pm-12:36 am

2 stops10h 01m

San Juan Luis Munoz Marin Intl

Thu 2/5

8:35 am-4:48 pm

1 stop10h 13m

$370

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/18

Best time to book a flight from Oshkosh to Luis Munoz Marin Intl

Have a flexible travel schedule? Discover the best time to fly to Luis Munoz Marin Intl from Oshkosh 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 Oshkosh to San Juan Luis Munoz Marin Intl Airport

How far ahead should I book a flight from Oshkosh to San Juan Luis Munoz Marin Intl Airport?

Use this chart to determine the optimal time to book a round-trip flight from Oshkosh to Luis Munoz Marin Intl. Price data was last updated on December 12, 2025.

Booking 31 days in advance of your planned departure date is, on average, the best time to get cheap flights from Oshkosh to San Juan Luis Munoz Marin Intl Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Oshkosh to San Juan Luis Munoz Marin Intl Airport?

Currently, November is the cheapest month in which you can book a flight from Oshkosh to San Juan Luis Munoz Marin Intl Airport (average of $113). Flying from Oshkosh to San Juan Luis Munoz Marin Intl Airport in June is currently the most expensive (average of $379). 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 OS9 to SJU?

Find hourly flight availability from Oshkosh to Luis Munoz Marin Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 18, 2025.

One of the essential ways to save on airfare from Oshkosh to San Juan Luis Munoz Marin Intl Airport is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the evening could potentially save you up to 31% on airfare.

What is the cheapest day to fly from Oshkosh to San Juan Luis Munoz Marin Intl Airport?

Use this chart to determine the cheapest time to fly round-trip from Oshkosh to Luis Munoz Marin Intl. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Oshkosh to San Juan Luis Munoz Marin Intl Airport flight should consider departing on Sunday afternoons when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Luis Munoz Marin Intl

Get insights into the airlines that provide service to Luis Munoz Marin Intl. 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 Luis Munoz Marin Intl. Reviews last updated December 18, 2025.
Read through reviews of airlines operating flights from Oshkosh to San Juan Luis Munoz Marin Intl Airport, such as Delta, United Airlines, and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,004 reviews

Comfort

7.9

Food

7.3

Overall

7.9

Entertainment

7.9

Boarding

8.1

Crew

8.5

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
8,004 reviews
Delta
7.9
Good
8,004 reviews

Comfort

7.9

Food

7.3

Overall

7.9

Entertainment

7.9

Boarding

8.1

Crew

8.5

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.
United Airlines
7.4
Good
9,092 reviews
Delta
7.9
Good
8,004 reviews

Comfort

7.9

Food

7.3

Overall

7.9

Entertainment

7.9

Boarding

8.1

Crew

8.5

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.
American Airlines
7.2
Good
11,055 reviews
Delta
7.9
Good
8,004 reviews

Comfort

7.9

Food

7.3

Overall

7.9

Entertainment

7.9

Boarding

8.1

Crew

8.5

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.

Related info for your journey

Find useful and relevant information for your journey from Oshkosh to Luis Munoz Marin Intl. 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 Oshkosh to San Juan Luis Munoz Marin Intl Airport?

    Departing from Oshkosh to San Juan Luis Munoz Marin Intl Airport will take you 12h 24m. Airlines will cover a distance of 2207 mi. This flight may include one or multiple stops.

  • Can I find deals for flights from Oshkosh to Luis Munoz Marin Intl that include hotel bookings?

    Yes. In addition to deals on Oshkosh to Luis Munoz Marin Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Oshkosh to Luis Munoz Marin Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Oshkosh to Luis Munoz Marin Intl.

  • Can I find deals for business class flights from Oshkosh to Luis Munoz Marin Intl?

    Yes. Cheapflights offers flight deals from Oshkosh to Luis Munoz Marin Intl 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 Oshkosh to San Juan Luis Munoz Marin Intl Airport?

    Currently, November is the cheapest month in which you can book a flight from Oshkosh to San Juan Luis Munoz Marin Intl Airport (average of $113). Flying from Oshkosh to San Juan Luis Munoz Marin Intl Airport in June is currently the most expensive (average of $379). 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

Traveling to a place near San Juan Luis Munoz Marin Intl Airport?

Book flights to San Juan Luis Munoz Marin Intl Airport if you plan to visit one of these locations
Dorado
Fajardo
Rio Grande
Humacao
Luquillo
Bayamón

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.

Top 6 airlines flying from Oshkosh to Luis Munoz Marin Intl

Discover the top 6 airlines that operate flights from Oshkosh to Luis Munoz Marin Intl. 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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$129Average$256FlexibilityNo cancel feeOn-time62%
DeltaCheapest$191Average$550FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$215Average$529FlexibilityNo cancel feeOn-time69%
Spirit AirlinesCheapest$226Average$406FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$268Average$557FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$315Average$543FlexibilityNo cancel feeOn-time63%

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.
Site
Cookie settings©2025 Cheapflights