What are the cheapest airlines to fly from Oshkosh to San Juan Luis Munoz Marin Intl Airport one-way?

$119 is the cheapest one-way deal found within the past few days, from American Airlines. You may also be able to find cheap deals on Delta and United Airlines, with prices starting from $251 and $253, respectively.

What are the most popular airlines that fly from Oshkosh to San Juan Luis Munoz Marin Intl Airport?

Consider American Airlines, JetBlue or Delta when booking your flight. These represent the most popular airlines when flying from Oshkosh to San Juan Luis Munoz Marin Intl Airport.

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

September is one of the best times of the year to fly to San Juan Luis Munoz Marin Intl Airport from Oshkosh. Prices for September average $652 per person but you can even find prices for as low as $344. The most expensive prices can be found in the month of December. Opting for a September flight can save you 24% on your journey compared to booking in December

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.

$119+ Flights from Oshkosh to San Juan Luis Munoz Marin Intl Airport

Q: How far in advance should I book a flight from Oshkosh to San Juan Luis Munoz Marin Intl Airport?

Travelers have found it’s best to book a flight 36 days in advance to save up to 6% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 36 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Oshkosh to San Juan Luis Munoz Marin Intl Airport 1-2 weeks in advance for as low as $387, or $406 for flights within the next 24 hours.

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

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 September or November, booked 89 days in advance, depart on a Sunday or Tuesday and return on a Monday

Cheap flight deals from Oshkosh to Luis Munoz Marin Intl

Round-trip from	$230 (American Airlines)
One-way from	$119 (American Airlines)
Popular in	December
Cheapest in	September
Average price	$690

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. 2% potential increase in price ($16 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($14 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in June 2025

Search Deals

Find 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 junio 12, 2025.

vie. 10/33:45 pmATW - SJU

2 stops20h 01mAmerican Airlines

mar. 10/73:37 pmSJU - ATW

2 stops18h 38mAmerican Airlines

Deal found 6/12

$230

sáb. 11/86:30 amATW - SJU

2 stops13h 52mUnited Airlines

sáb. 11/158:10 amSJU - ATW

1 stop7h 58mUnited Airlines

Deal found 6/12

$250

jue. 10/27:00 amATW - SJU

2 stops14h 08mDelta

lun. 10/62:15 pmSJU - ATW

1 stop7h 27mDelta

Deal found 6/10

$352

vie. 6/209:05 amATW - SJU

2 stops37h 54mMultiple Airlines

mié. 7/301:37 amSJU - ATW

2 stops31h 35mMultiple Airlines

Deal found 6/12

$520

Best flights from Oshkosh to Luis Munoz Marin Intl
Discover carefully curated flight deals from Oshkosh to Luis Munoz Marin Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated junio 12, 2025.

vie. 10/33:45 pmATW - SJU

2 stops20h 01mAmerican Airlines

mar. 10/73:37 pmSJU - ATW

2 stops18h 38mAmerican Airlines

Deal found 6/12

$230

sáb. 11/86:30 amATW - SJU

2 stops13h 52mUnited Airlines

sáb. 11/158:10 amSJU - ATW

1 stop7h 58mUnited Airlines

Deal found 6/12

$250

jue. 10/27:00 amATW - SJU

2 stops14h 08mDelta

lun. 10/62:15 pmSJU - ATW

1 stop7h 27mDelta

Deal found 6/10

$352

vie. 6/274:09 pmATW - SJU

3 stops32h 22mMultiple Airlines

lun. 6/302:36 amSJU - ATW

2 stops31h 06mMultiple Airlines

Deal found 6/12

$532

Last-minute flights from Oshkosh to Luis Munoz Marin Intl
Discover last-minute flight deals from Oshkosh to Luis Munoz Marin Intl. Data last updated junio 12, 2025 and is based on user searches.

lun. 6/162:43 pmATW - SJU

1 stop8h 11mUnited Airlines

mié. 6/187:45 amSJU - ATW

1 stop7h 23mUnited Airlines

Deal found 6/12

$469

vie. 6/203:40 pmATW - SJU

1 stop7h 28mAmerican Airlines

jue. 7/315:20 pmSJU - ATW

2 stops16h 54mAmerican Airlines

Deal found 6/12

$496

vie. 6/209:05 amATW - SJU

2 stops37h 54mMultiple Airlines

mié. 7/301:37 amSJU - ATW

2 stops31h 35mMultiple Airlines

Deal found 6/12

$520

vie. 6/202:43 pmATW - SJU

1 stop8h 11mUnited Airlines

mié. 7/301:10 amSJU - ATW

2 stops13h 58mUnited Airlines

Deal found 6/12

$769

One-way flights from Oshkosh to Luis Munoz Marin Intl
Search for one-way flight options from Oshkosh to Luis Munoz Marin Intl. Find affordable one-way fares based on user searches. Data last updated junio 12, 2025.

vie. 10/33:45 pmATW - SJU

2 stops18h 26mAmerican Airlines

Deal found 6/10

$119

dom. 7/137:00 amATW - SJU

1 stop15h 00mMultiple Airlines

Deal found 6/11

$171

sáb. 10/45:29 amATW - SJU

1 stop9h 39mDelta

Deal found 6/10

$251

vie. 10/36:30 amATW - SJU

1 stop7h 14mUnited Airlines

Deal found 6/10

$253

Cheapflights Fare Finder

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

Fly to

Route

Depart

Return

Price

AppletonSan Juan

ATW - SJU

ATWSJU

Appleton Intl

vie. 10/3

3:45 pm-12:46 pm

2 stops20h 01m

San Juan Luis Munoz Marin Intl

mar. 10/7

3:37 pm-9:15 am

2 stops18h 38m

$230

AppletonSan Juan

ATW - SJU

ATWSJU

Appleton Intl

sáb. 11/8

6:30 am-10:22 pm

2 stops13h 52m

San Juan Luis Munoz Marin Intl

sáb. 11/15

8:10 am-2:08 pm

1 stop7h 58m

$250

AppletonSan Juan

ATW - SJU

ATWSJU

Appleton Intl

jue. 10/2

7:00 am-10:08 pm

2 stops14h 08m

San Juan Luis Munoz Marin Intl

lun. 10/6

2:15 pm-8:42 pm

1 stop7h 27m

$352

AppletonSan Juan

ATW - SJU

ATWSJU

Appleton Intl

vie. 6/27

4:09 pm-1:31 am

3 stops32h 22m

San Juan Luis Munoz Marin Intl

lun. 6/30

2:36 am-8:42 am

2 stops31h 06m

$532

AppletonSan Juan

ATW - SJU

ATWSJU

Appleton Intl

vie. 10/3

3:45 pm-11:11 am

2 stops18h 26m

$119

AppletonSan Juan

ATW - SJU

ATWSJU

Appleton Intl

dom. 7/13

7:00 am-11:00 pm

1 stop15h 00m

$171

AppletonSan Juan

ATW - SJU

ATWSJU

Appleton Intl

sáb. 10/4

5:29 am-4:08 pm

1 stop9h 39m

$251

AppletonSan Juan

ATW - SJU

ATWSJU

Appleton Intl

vie. 10/3

6:30 am-2:44 pm

1 stop7h 14m

$253

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

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?

Booking 89 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, September is the cheapest month in which you can book a flight from Oshkosh to San Juan Luis Munoz Marin Intl Airport (average of $254). Flying from Oshkosh to San Juan Luis Munoz Marin Intl Airport in June is currently the most expensive (average of $339). 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?

When flying from Oshkosh to San Juan Luis Munoz Marin Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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

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

Rainfall in Luis Munoz Marin Intl by month

In terms of precipitation, rainfall in San Juan Luis Munoz Marin Intl Airport ranges from 2.2 - 6.1 inches per month. November is typically the wettest month, when rainfall can reach 6.1 in. February is typically the driest time to visit San Juan Luis Munoz Marin Intl Airport when rainfall is around 2.2 in.

Temperature in Luis Munoz Marin Intl by month

If weather is an important factor for your trip to San Juan Luis Munoz Marin Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, June is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 77.0 F).

Reviews of airlines servicing Luis Munoz Marin Intl

Get a feel of what it's like to fly with Delta, United Airlines and American Airlines from Oshkosh 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.

Delta

8.0

Very good

7,946 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Delta

8.0

Very good

7,946 reviews

Delta

8.0

Very good

7,946 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

United Airlines

7.4

Good

8,790 reviews

Delta

8.0

Very good

7,946 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very good

7,946 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

What are the cheapest airlines to fly from Oshkosh to San Juan Luis Munoz Marin Intl Airport one-way?
$119 is the cheapest one-way deal found within the past few days, from American Airlines. You may also be able to find cheap deals on Delta and United Airlines, with prices starting from $251 and $253, respectively.
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, September is the cheapest month in which you can book a flight from Oshkosh to San Juan Luis Munoz Marin Intl Airport (average of $254). Flying from Oshkosh to San Juan Luis Munoz Marin Intl Airport in June is currently the most expensive (average of $339). 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

Dorado

Fajardo

Luquillo

Rio Grande

Humacao

Bayamón

Browse thousands of different options on Cheapflights for your next trip

Top 7 airlines flying from Oshkosh to Luis Munoz Marin Intl

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$129	Average$239	FlexibilityNo cancel fee	On-time62%
Spirit Airlines	Cheapest$195	Average$399	FlexibilityNo cancel fee	On-time65%
United Airlines	Cheapest$225	Average$612	FlexibilityNo cancel fee	On-time69%
JetBlue	Cheapest$248	Average$445	FlexibilityNo cancel fee	On-time62%
Delta	Cheapest$264	Average$513	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$269	Average$553	FlexibilityNo cancel fee	On-time71%
Southwest	Cheapest$332	Average$608	FlexibilityNo cancel fee	On-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.

$119+ 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 10/3. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Oshkosh to Luis Munoz Marin Intl with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Oshkosh to San Juan Luis Munoz Marin Intl are usually found in September or November, booked 89 days in advance, depart on a Sunday or Tuesday and return on a Monday

Cheap 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 junio 12, 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Oshkosh to Luis Munoz Marin Intl

Cheapest flights from Oshkosh to Luis Munoz Marin IntlExplore 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 junio 12, 2025.

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 junio 12, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Oshkosh to San Juan Luis Munoz Marin Intl Airport that are best for you.

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.

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 June 9, 2025.

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

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 junio 12, 2025.

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.

Rainfall in Luis Munoz Marin Intl by month

Plan your trip to Luis Munoz Marin Intl by taking into account the average rainfall totals by month.

Temperature in Luis Munoz Marin Intl by month

Plan your trip to Luis Munoz Marin Intl by taking into account the average temperature totals by month.

Reviews of airlines servicing Luis Munoz Marin Intl

Get a feel of what it's like to fly with Delta, United Airlines and American Airlines from Oshkosh 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.

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.

What are the cheapest airlines to fly from Oshkosh to San Juan Luis Munoz Marin Intl Airport one-way?

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

How can I 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?

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

Traveling to a place near Oshkosh?

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.

Alternative routes for Oshkosh to Luis Munoz Marin Intl

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

Top 7 airlines flying from Oshkosh to Luis Munoz Marin Intl

100% Free

Book with Flexibility

Travel Smart

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 junio 12, 2025.