HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
San José

$550+ Cheap flights from Oshkosh, WI to San José (SJO)

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 11/15. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — SJO
Apr 30 — May 71
Wed 4/30
Wed 5/7
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Oshkosh to San José 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.

Cheap flight deals from Oshkosh to San José

Keep the following information in mind while searching for Oshkosh to San José flight deals. Data was last updated April 25, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$580
(American Airlines)

Popular in

December

Cheapest in

August

Average price

$980
Provider with most accurate pricing for Appleton Intl-San José Juan Santamaria Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Appleton Intl-San José Juan Santamaria Intl flights.
Search Deals
From Oshkosh to San José Juan Santamaria Intl
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($73 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($26 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
Search Deals

Find flight deals from Oshkosh to San José

Cheapest flights from Oshkosh to San José
Explore the most affordable flight options available from Oshkosh to San José. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 25, 2025.

This American Airlines deal was found by Cheapflights users on 4/25. 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 11/154:50 pmATW - SJO
2 stops19h 15mAmerican Airlines
Sat 11/223:50 pmSJO - ATW
2 stops18h 57mAmerican Airlines
Deal found 4/25$550
This Delta deal was found by Cheapflights users on 4/24. 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 4/265:20 amATW - SJO
1 stop9h 08mDelta
Sun 5/41:20 pmSJO - ATW
1 stop8h 09mDelta
Deal found 4/24$591
This Avianca deal was found by Cheapflights users on 4/25. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/206:30 amATW - SJO
2 stops18h 00mAvianca
Sun 5/251:40 amSJO - ATW
2 stops14h 08mAvianca
Deal found 4/25$1,858

Cheapflights Fare Finder

Customize your flight search to find flights from Oshkosh to San José 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 April 25, 2025.
Use the filters below to find and compare flights from Oshkosh to San José that are best for you.

Fly from

Oshkosh

Fly to

San José

Route

Depart

Return

Price

AppletonSan José

ATW - SJO

ATWSJO

Appleton Intl

Tue 5/20

4:37 pm-12:50 pm

2 stops21h 13m

San José Juan Santamaria Intl

Mon 5/26

6:03 am-11:34 pm

2 stops16h 31m

$580

AppletonSan José

ATW - SJO

ATWSJO

Appleton Intl

Tue 5/20

5:35 am-11:59 am

1 stop7h 24m

San José Juan Santamaria Intl

Mon 5/26

1:24 pm-10:26 pm

1 stop8h 02m

$592

AppletonSan José

ATW - SJO

ATWSJO

Appleton Intl

Tue 5/20

6:30 am-11:30 pm

2 stops18h 00m

San José Juan Santamaria Intl

Sun 5/25

1:40 am-4:48 pm

2 stops14h 08m

$1,858

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/25

Best time to book a flight from Oshkosh to San José

Have a flexible travel schedule? Discover the best time to fly to San José 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 José

What is the cheapest month to book a flight from Oshkosh to San José, San José Province?

Currently, September is the cheapest month in which you can book a flight from Oshkosh to San José, San José Province (average of $398). Flying from Oshkosh to San José, San José Province in March is currently the most expensive (average of $555). 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 SJO?

Find hourly flight availability from Oshkosh to San José. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 25, 2025.

When flying from Oshkosh to San José, San José Province, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in San José by month

Plan your trip to San José by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San José, San José Province ranges from 0.0 - 11.8 inches per month. September is typically the wettest month, when rainfall can reach 11.8 in. February is typically the driest time to visit San José, San José Province when rainfall is around 0.0 in.

Temperature in San José by month

Plan your trip to San José by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San José, San José Province, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 64.4 F).

Reviews of airlines servicing San José

Get insights into the airlines that provide service to San José. 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 José. Reviews last updated April 25, 2025.
Delta
8.0
Very good
7,920 reviews

Boarding

8.2

Entertainment

7.9

Food

7.3

Comfort

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,920 reviews
Delta
8.0
Very good
7,920 reviews

Boarding

8.2

Entertainment

7.9

Food

7.3

Comfort

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,920 reviews

Boarding

8.2

Entertainment

7.9

Food

7.3

Comfort

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Avianca
6.7
Okay
2,317 reviews
Delta
8.0
Very good
7,920 reviews

Boarding

8.2

Entertainment

7.9

Food

7.3

Comfort

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from Oshkosh to San José. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to San José from Oshkosh?

    San José Juan Santamaria Intl (SJO) is the airport you will fly into if you book a flight from Oshkosh to San José. You should not have trouble finding flights to Juan Santamaria Intl from Oshkosh; the airport handles an average of 0 inbound flights from Oshkosh per day. You should also have plenty of airline options to choose from since 5 airlines have flights to the San José airport from Oshkosh. It is only a 8.8 mi journey from Juan Santamaria Intl (SJO) to San José’s city center.

  • Can I find deals for flights from Oshkosh to San José that include hotel bookings?

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

  • How can I find direct flights from Oshkosh to San José?

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

  • Can I find deals for business class flights from Oshkosh to San José?

    Yes. Cheapflights offers flight deals from Oshkosh to San José 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 José, San José Province?

    Currently, September is the cheapest month in which you can book a flight from Oshkosh to San José, San José Province (average of $398). Flying from Oshkosh to San José, San José Province in March is currently the most expensive (average of $555). 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 Oshkosh?

Book flights to Oshkosh if you plan to visit one of these locations
Heredia
Manuel Antonio
Alajuela
Monteverde
Jacó

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 5 airlines flying from Oshkosh to San José

Discover the top 5 airlines that operate flights from Oshkosh to San José. 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 April 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$292Average$397FlexibilityNo cancel feeOn-time65%
DeltaCheapest$366Average$784FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$388Average$717FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$432Average$626FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$463Average$681FlexibilityNo 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.