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Luis Munoz Marin Intl

$128+ Cheap flights from Oshkosh, WI to Luis Munoz Marin Intl (SJU)

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 3/17. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — SJU
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
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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 January 29, 2026.

This United Airlines deal was found by Cheapflights users on 1/28. 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.
Sat 2/215:23 pm
ATW
-
SJU
2 stops10h 48m
United Airlines
Thu 2/262:05 am
SJU
-
ATW
2 stops13h 53m
United Airlines
Deal found 1/28$256
This United Airlines deal was found by Cheapflights users on 1/27. 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.
Sun 5/3112:26 pm
ATW
-
SJU
1 stop7h 08m
United Airlines
Fri 6/51:00 am
SJU
-
ATW
2 stops14h 00m
United Airlines
Deal found 1/27$317
This American Airlines deal was found by Cheapflights users on 1/26. 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 10/196:25 pm
ATW
-
SJU
2 stops17h 15m
American Airlines
Mon 10/263:50 pm
SJU
-
ATW
2 stops18h 13m
American Airlines
Deal found 1/26$319
This American Airlines deal was found by Cheapflights users on 1/27. 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 4/101:42 pm
ATW
-
SJU
2 stops20h 11m
American Airlines
Mon 4/205:45 am
SJU
-
ATW
2 stops17h 58m
American Airlines
Deal found 1/27$324
This Delta deal was found by Cheapflights users on 1/27. 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 9/125:29 am
ATW
-
SJU
1 stop10h 02m
Delta
Sat 9/197:00 am
SJU
-
ATW
2 stops14h 40m
Delta
Deal found 1/27$326
This American Airlines deal was found by Cheapflights users on 1/27. 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 3/178:00 am
ATW
-
SJU
2 stops11h 50m
American Airlines
Tue 3/245:28 am
SJU
-
ATW
1 stop8h 29m
American Airlines
Deal found 1/27$359
This United Airlines deal was found by Cheapflights users on 1/27. 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.
Sat 5/3012:26 pm
ATW
-
SJU
1 stop7h 08m
United Airlines
Fri 6/51:00 am
SJU
-
ATW
2 stops14h 00m
United Airlines
Deal found 1/27$367
This American Airlines deal was found by Cheapflights users on 1/27. 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 5/264:55 pm
ATW
-
SJU
2 stops17h 00m
American Airlines
Fri 5/2912:59 am
SJU
-
ATW
1 stop10h 25m
American Airlines
Deal found 1/27$368
This American Airlines deal was found by Cheapflights users on 1/28. 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 2/216:35 pm
ATW
-
SJU
1 stop8h 49m
American Airlines
Fri 2/276:33 am
SJU
-
ATW
1 stop13h 19m
American Airlines
Deal found 1/28$382
This United Airlines deal was found by Cheapflights users on 1/28. 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.
Sun 5/245:30 pm
ATW
-
SJU
2 stops10h 59m
United Airlines
Sat 6/132:05 am
SJU
-
ATW
2 stops12h 55m
United Airlines
Deal found 1/28$385
This American Airlines deal was found by Cheapflights users on 1/27. 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 4/166:10 am
ATW
-
SJU
2 stops34h 56m
American Airlines
Sat 4/185:45 am
SJU
-
ATW
2 stops18h 56m
American Airlines
Deal found 1/27$394

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 January 29, 2026.

Round-trip from

$256
(United Airlines)

One-way from

$128
(American Airlines)

Popular in

March

Cheapest in

November

Average price

$613
From Oshkosh to San Juan Luis Munoz Marin Intl
Search Deals
One-way flight from Oshkosh to San Juan Luis Munoz Marin Intl
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($54 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 January 2026
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 January 29, 2026.
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

Sun 5/31

12:26 pm-8:34 pm

1 stop7h 08m

San Juan Luis Munoz Marin Intl

Fri 6/5

1:00 am-2:00 pm

2 stops14h 00m

$317

AppletonSan Juan

ATW - SJU

ATWSJU

Appleton Intl

Sat 4/11

6:20 pm-1:49 pm

2 stops18h 29m

San Juan Luis Munoz Marin Intl

Fri 4/17

2:42 pm-10:14 am

2 stops20h 32m

$324

AppletonSan Juan

ATW - SJU

ATWSJU

Appleton Intl

Sat 5/30

12:26 pm-8:34 pm

1 stop7h 08m

San Juan Luis Munoz Marin Intl

Fri 6/5

1:00 am-2:00 pm

2 stops14h 00m

$367

AppletonSan Juan

ATW - SJU

ATWSJU

Appleton Intl

Thu 4/16

6:10 am-6:06 pm

2 stops34h 56m

San Juan Luis Munoz Marin Intl

Mon 4/20

5:45 am-10:43 pm

2 stops17h 58m

$394

AppletonSan Juan

ATW - SJU

ATWSJU

Appleton Intl

Fri 4/10

1:42 pm-10:53 am

2 stops20h 11m

San Juan Luis Munoz Marin Intl

Wed 4/15

7:25 am-9:54 pm

1 stop15h 29m

$408

AppletonSan Juan

ATW - SJU

ATWSJU

Appleton Intl

Tue 4/14

5:30 am-1:14 pm

1 stop6h 44m

San Juan Luis Munoz Marin Intl

Thu 4/16

2:34 pm-9:35 pm

1 stop8h 01m

$420

AppletonSan Juan

ATW - SJU

ATWSJU

Appleton Intl

Sun 5/24

12:26 pm-8:34 pm

1 stop7h 08m

San Juan Luis Munoz Marin Intl

Sat 6/13

2:05 am-2:00 pm

2 stops12h 55m

$425

AppletonSan Juan

ATW - SJU

ATWSJU

Appleton Intl

Wed 3/11

10:20 am-9:22 pm

2 stops10h 02m

San Juan Luis Munoz Marin Intl

Tue 3/17

1:05 am-2:03 pm

2 stops13h 58m

$426

AppletonSan Juan

ATW - SJU

ATWSJU

Appleton Intl

Sat 5/23

5:30 pm-5:29 am

2 stops10h 59m

San Juan Luis Munoz Marin Intl

Sat 6/13

2:05 am-2:00 pm

2 stops12h 55m

$429

AppletonSan Juan

ATW - SJU

ATWSJU

Appleton Intl

Wed 5/13

10:15 am-8:34 pm

1 stop9h 19m

San Juan Luis Munoz Marin Intl

Sun 5/17

7:40 am-4:50 pm

1 stop10h 10m

$430

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

Showing 1-10 of 16 results
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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 January 23, 2026.

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 $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.

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 January 29, 2026.
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
8,128 reviews

Comfort

7.9

Crew

8.5

Food

7.2

Overall

7.9

Boarding

8.1

Entertainment

7.8

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
8,128 reviews
Delta
7.9
Good
8,128 reviews

Comfort

7.9

Crew

8.5

Food

7.2

Overall

7.9

Boarding

8.1

Entertainment

7.8

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
9,215 reviews
Delta
7.9
Good
8,128 reviews

Comfort

7.9

Crew

8.5

Food

7.2

Overall

7.9

Boarding

8.1

Entertainment

7.8

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
11,205 reviews
Delta
7.9
Good
8,128 reviews

Comfort

7.9

Crew

8.5

Food

7.2

Overall

7.9

Boarding

8.1

Entertainment

7.8

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 7h 08m. 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 $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

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
Fajardo
Dorado
Luquillo
Rio Grande
Humacao
Bayamón

Browse thousands of different options on Cheapflights for your next trip

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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 January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$85Average$291FlexibilityNo cancel feeOn-time62%
DeltaCheapest$118Average$563FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$158Average$506FlexibilityNo cancel feeOn-time69%
Spirit AirlinesCheapest$208Average$402FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$266Average$553FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$315Average$525FlexibilityNo cancel feeOn-time63%

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