HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Costa Rica

$303+ Cheap flights from Oshkosh, WI to Costa Rica

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 2/11. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — SJO
Dec 27 — Jan 31
Fri 12/27
Fri 1/3
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Oshkosh to Costa Rica 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 Costa Rica

Discover tips and strategies to find the most affordable flight options for your journey from Oshkosh (OS9) to Costa Rica (CR0). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 22, 2024.

Round-trip from

$513
(American Airlines)

One-way from

$303
(United)
From Oshkosh to Costa Rica
Search Deals
One-way flight from Oshkosh to Costa Rica
Search Deals

Find flight deals from Oshkosh to Costa Rica

Cheapest flights from Oshkosh to Costa Rica
Explore the most affordable flight options available from Oshkosh to Costa Rica. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 22, 2024.

This United Airlines deal was found by Cheapflights users on 12/21. 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.
Fri 12/273:45 pmATW - SJO
2 stops32h 13mUnited Airlines
Wed 1/16:30 amSJO - ATW
2 stops34h 25mUnited Airlines
Deal found 12/21$921
This Delta deal was found by Cheapflights users on 12/21. 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.
Tue 12/245:30 amATW - LIR
1 stop9h 02mDelta
Mon 1/62:21 pmLIR - ATW
1 stop25h 19mDelta
Deal found 12/21$1,070
This American Airlines deal was found by Cheapflights users on 12/21. 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 12/275:40 amATW - SJO
1 stop8h 40mAmerican Airlines
Wed 1/16:29 amSJO - ATW
1 stop16h 08mAmerican Airlines
Deal found 12/21$1,096
This United Airlines deal was found by Cheapflights users on 12/21. 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 12/2412:25 pmATW - LIR
2 stops22h 59mUnited Airlines
Mon 1/64:00 pmLIR - ATW
2 stops23h 10mUnited Airlines
Deal found 12/21$1,118
This Mytrip deal was found by Cheapflights users on 12/21. 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.
Fri 12/279:18 amATW - SJO
2 stops26h 23mMultiple Airlines
Wed 1/110:15 amSJO - ATW
3 stops37h 23mMultiple Airlines
Deal found 12/21$1,542
This American Airlines deal was found by Cheapflights users on 12/21. 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 12/2611:20 amATW - LIR
2 stops23h 21mAmerican Airlines
Sun 1/52:59 pmLIR - ATW
2 stops19h 54mAmerican Airlines
Deal found 12/21$1,793
This Avianca deal was found by Cheapflights users on 12/21. 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.
Fri 12/278:20 amATW - SJO
2 stops14h 35mAvianca
Tue 12/312:15 amSJO - ATW
2 stops16h 50mAvianca
Deal found 12/21$1,797

Find flights from Oshkosh to Costa Rica within your budget

Customize your flight search to find flights from Oshkosh to Costa Rica 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 22, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

AppletonSan José

ATW - SJO

ATWSJO

Appleton Intl

Sat 3/1

3:41 pm-12:13 pm

2 stops20h 32m

San José Juan Santamaria Intl

Thu 3/6

3:15 pm-10:58 am

2 stops19h 43m

$513

AppletonLiberia

ATW - LIR

ATWLIR

Appleton Intl

Sun 4/27

4:36 pm-11:34 am

2 stops19h 58m

Liberia

Sat 5/3

12:45 pm-10:55 am

2 stops21h 10m

$591

AppletonSan José

ATW - SJO

ATWSJO

Appleton Intl

Sun 4/6

5:29 pm-12:26 pm

2 stops19h 57m

San José Juan Santamaria Intl

Tue 4/22

1:30 pm-12:03 pm

2 stops21h 33m

$603

AppletonSan José

ATW - SJO

ATWSJO

Appleton Intl

Sun 4/6

6:30 am-11:59 pm

1 stop18h 29m

San José Juan Santamaria Intl

Thu 4/24

1:41 pm-3:30 pm

1 stop24h 49m

$604

AppletonLiberia

ATW - LIR

ATWLIR

Appleton Intl

Sat 1/25

5:34 pm-1:08 pm

2 stops19h 34m

Liberia

Sat 2/1

2:14 pm-11:50 am

2 stops21h 36m

$652

AppletonSan José

ATW - SJO

ATWSJO

Appleton Intl

Sat 1/11

5:25 am-12:54 pm

1 stop7h 29m

San José Juan Santamaria Intl

Sat 1/18

2:19 pm-10:48 pm

1 stop8h 29m

$1,201

AppletonLiberia

ATW - LIR

ATWLIR

Appleton Intl

Sat 2/15

5:29 am-2:29 pm

1 stop9h 00m

Liberia

Sat 3/29

1:06 pm-10:36 pm

1 stop8h 30m

$2,762

AppletonSan José

ATW - SJO

ATWSJO

Appleton Intl

Sat 3/22

8:15 am-12:15 am

2 stops17h 00m

San José Juan Santamaria Intl

Thu 3/27

2:15 am-4:50 pm

2 stops13h 35m

$3,243

AppletonSan José

ATW - SJO

ATWSJO

Appleton Intl

Tue 2/11

5:34 pm-8:39 pm

2 stops27h 05m

$303

AppletonSan José

ATW - SJO

ATWSJO

Appleton Intl

Mon 2/10

6:10 am-8:50 pm

2 stops14h 40m

$312

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/21

Showing 1-10 of 13 results
1
2

Best time to book a flight from Oshkosh to Costa Rica

Have a flexible travel schedule? Discover the best time to fly to Costa Rica 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.

Travel insights for flights from Oshkosh to Costa Rica

Get recent, data-driven insights about flights from Oshkosh to Costa Rica including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Oshkosh to Costa Rica?

Currently, September is the cheapest month in which you can book a flight from Oshkosh to Costa Rica (average of $398). Flying from Oshkosh to Costa Rica 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 CR?

Find hourly flight availability from Oshkosh to Costa Rica. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 22, 2024.

When flying from Oshkosh to Costa Rica, 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 Costa Rica by month

Plan your trip to Costa Rica by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Costa Rica 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 Costa Rica when rainfall is around 0.0 in.

Temperature in Costa Rica by month

Plan your trip to Costa Rica by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Costa Rica, 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 Costa Rica

Get insights into the airlines that provide service to Costa Rica. 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 Costa Rica. Reviews last updated December 22, 2024.
To help decide which airline to fly from Oshkosh to Costa Rica, see what other customers have to say about Delta, American Airlines and United Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,594 reviews

Crew

8.6

Comfort

8.0

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Reviews

1 / 10

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

Delta
8.0
Very good
8,594 reviews
Delta
8.0
Very good
8,594 reviews

Crew

8.6

Comfort

8.0

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Reviews

1 / 10

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

United Airlines
7.4
Good
9,028 reviews
Delta
8.0
Very good
8,594 reviews

Crew

8.6

Comfort

8.0

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Reviews

1 / 10

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
8,594 reviews

Crew

8.6

Comfort

8.0

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Reviews

1 / 10

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

Avianca
7.0
Good
2,649 reviews
Delta
8.0
Very good
8,594 reviews

Crew

8.6

Comfort

8.0

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Reviews

1 / 10

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 Costa Rica. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • Can I find deals for flights from Oshkosh to Costa Rica that include hotel bookings?

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

  • How can I find direct flights from Oshkosh to Costa Rica?

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

  • Can I find deals for business class flights from Oshkosh to Costa Rica?

    Yes. Cheapflights offers flight deals from Oshkosh to Costa Rica 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 Costa Rica?

    Currently, September is the cheapest month in which you can book a flight from Oshkosh to Costa Rica (average of $398). Flying from Oshkosh to Costa Rica 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

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 Costa Rica

See prices for flight routes from nearby airports that may be better suited for you.
O'Hare Intl to Panama City flights
O'Hare Intl to San José flights
O'Hare Intl to Liberia flights
O'Hare Intl to Guatemala City flights
Minneapolis to San José flights
Minneapolis to Liberia flights
O'Hare Intl to Philip S.W.Goldson flights
Minneapolis to Philip S.W.Goldson flights
Minneapolis to Guatemala City flights
O'Hare Intl to San Salvador flights
Minneapolis to Panama City flights
Milwaukee to Philip S.W.Goldson flights
O'Hare Intl to Coxen Hole flights
Milwaukee to San José flights
Milwaukee to Panama City flights
Madison to Philip S.W.Goldson flights
Minneapolis to San Salvador flights
Madison to San José flights
Minneapolis to Coxen Hole flights
O'Hare Intl to Managua flights
O'Hare Intl to San Pedro Sula flights
Minneapolis to Managua flights
Madison to Liberia flights
Milwaukee to Liberia flights
Appleton to Philip S.W.Goldson flights
Appleton to Liberia flights
Madison to Managua flights
Appleton to San José flights
Minneapolis to San Pedro Sula flights
Milwaukee to Guatemala City flights
Green Bay to San José flights
Milwaukee to Coxen Hole flights
Madison to Guatemala City flights
Minneapolis to David flights
Green Bay to Guatemala City flights
O'Hare Intl to David flights
Green Bay to Liberia flights
Milwaukee to Managua flights
Milwaukee to San Salvador flights
La Crosse to Panama City flights
Duluth to Philip S.W.Goldson flights
Duluth to San José flights
Madison to Coxen Hole flights
Duluth to Liberia flights
Milwaukee to San Pedro Sula flights
Wausau to San José flights
Milwaukee to Tegucigalpa flights
Minneapolis to Tegucigalpa flights
Rhinelander to Liberia flights

Top 5 airlines flying from Oshkosh to Costa Rica

Discover the top 5 airlines that operate flights from Oshkosh to Costa Rica. 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 22, 2024.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$272Average$415FlexibilityNo cancel feeOn-time65%
DeltaCheapest$366Average$841FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$379Average$595FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$401Average$636FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$463Average$668FlexibilityNo 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.