$170+ Cheap flights from Oshkosh, WI 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 7/12. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from Oshkosh to San Juan 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 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 San Juan
Keep the following information in mind while searching for Oshkosh to San Juan flight deals. Data was last updated June 12, 2025.
Round-trip from | $330 (American Airlines) |
|---|---|
One-way from | $170 (American Airlines) |
Popular in | December |
Cheapest in | September |
Average price | $690 |
Find flight deals from Oshkosh to San Juan
Cheapest flights from Oshkosh to San JuanExplore the most affordable flight options available from Oshkosh to San Juan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.
Explore the most affordable flight options available from Oshkosh to San Juan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.
This American Airlines deal was found by Cheapflights users on 6/10. 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.
This United Airlines deal was found by Cheapflights users on 6/10. 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.
This Delta deal was found by Cheapflights users on 6/10. 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.
This Mytrip deal was found by Cheapflights users on 6/12. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Cheapflights Fare Finder
Customize your flight search to find flights from Oshkosh 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 June 12, 2025.
Use the filters below to find and compare flights from Oshkosh to San Juan that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
AppletonSan Juan
ATW - SJU
ATWSJU
Appleton Intl
Fri 9/5
3:45 pm-2:53 pm
2 stops22h 08m
San Juan Luis Munoz Marin Intl
Tue 9/9
4:42 pm-9:07 am
2 stops17h 25m
AppletonSan Juan
ATW - SJU
ATWSJU
Appleton Intl
Tue 6/24
2:43 pm-11:54 pm
1 stop8h 11m
San Juan Luis Munoz Marin Intl
Mon 7/7
1:10 am-12:18 pm
2 stops12h 08m
AppletonSan Juan
ATW - SJU
ATWSJU
Appleton Intl
Fri 6/27
4:09 pm-1:31 am
3 stops32h 22m
San Juan Luis Munoz Marin Intl
Mon 6/30
2:36 am-8:42 am
2 stops31h 06m
AppletonSan Juan
ATW - SJU
ATWSJU
Appleton Intl
Fri 9/5
5:34 am-1:30 pm
1 stop6h 56m
San Juan Luis Munoz Marin Intl
Tue 9/9
2:40 pm-10:53 pm
1 stop9h 13m
AppletonSan Juan
ATW - SJU
ATWSJU
Appleton Intl
Sat 7/12
3:49 pm-11:04 am
2 stops18h 15m
AppletonSan Juan
ATW - SJU
ATWSJU
Appleton Intl
Sun 7/13
7:00 am-11:00 pm
1 stop15h 00m
AppletonSan Juan
ATW - SJU
ATWSJU
Appleton Intl
Thu 7/3
5:29 pm-12:02 am
2 stops29h 33m
Best time to book a flight from Oshkosh to San Juan
Have a flexible travel schedule? Discover the best time to fly to San Juan from Oshkosh with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from Oshkosh to San Juan
How far ahead should I book a flight from Oshkosh to San Juan?
Use this chart to determine the optimal time to book a round-trip flight from Oshkosh to San Juan. Price data was last updated on June 9, 2025.
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. 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?
Currently, September is the cheapest month in which you can book a flight from Oshkosh to San Juan (average of $254). Flying from Oshkosh to San Juan 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?
Find hourly flight availability from Oshkosh to San Juan. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.
When flying from Oshkosh to San Juan, 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?
Use this chart to determine the cheapest time to fly round-trip from Oshkosh to San Juan. Price data was last updated on December 16, 2024.
Travelers seeking maximum savings on their Oshkosh to San Juan 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 San Juan by month
Plan your trip to San Juan by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in San Juan 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 when rainfall is around 2.2 in.
Temperature in San Juan by month
Plan your trip to San Juan by taking into account the average temperature totals by month.
If weather is an important factor for your trip to San Juan, 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 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 June 12, 2025.
Food
Boarding
Entertainment
Overall
Comfort
Crew
Reviews
Kim,May 2025
PIH - SLC
Food
Boarding
Entertainment
Overall
Comfort
Crew
Reviews
Kim,May 2025
PIH - SLC
Food
Boarding
Entertainment
Overall
Comfort
Crew
Reviews
Kim,May 2025
PIH - SLC
Food
Boarding
Entertainment
Overall
Comfort
Crew
Reviews
Kim,May 2025
PIH - SLC
Related info for your journey
Find useful and relevant information for your journey from Oshkosh 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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Alternative routes for Oshkosh to San Juan
See prices for flight routes from nearby airports that may be better suited for you.
Top 7 airlines flying from Oshkosh to San Juan
Discover the top 7 airlines that operate flights from Oshkosh 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 June 12, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$129 | Average$239 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$195 | Average$399 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$225 | Average$612 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$248 | Average$445 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$264 | Average$513 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$269 | Average$553 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$332 | Average$608 | FlexibilityNo cancel fee | On-time63% |