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$472+ Cheap flights from Oshkosh, WI to Spain

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 2/6. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — MAD
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap flight deals from Oshkosh to Spain

Best flights from Oshkosh to Spain
Discover carefully curated flight deals from Oshkosh to Spain that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 18, 2025.

This United Airlines deal was found by Cheapflights users on 12/15. 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 2/65:23 pmATW - BCN
2 stops17h 12mUnited Airlines
Tue 2/101:35 pmBCN - ATW
2 stops31h 34mUnited Airlines
Deal found 12/15$472
This Cheapflightsfares deal was found by Cheapflights users on 12/16. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/175:35 pmATW - BCN
1 stop12h 40mLufthansa
Wed 6/33:15 pmBCN - ATW
1 stop12h 43mLufthansa
Deal found 12/16$761
This Iberia deal was found by Cheapflights users on 12/15. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/2311:25 amATW - LPA
2 stops27h 10mIberia
Tue 1/276:50 amLPA - ATW
2 stops17h 11mIberia
Deal found 12/15$1,025
This Cheapflightsfares deal was found by Cheapflights users on 12/16. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/181:10 pmATW - BCN
2 stops19h 20mLufthansa
Tue 6/23:15 pmBCN - ATW
1 stop12h 43mLufthansa
Deal found 12/16$779
This United Airlines deal was found by Cheapflights users on 12/16. 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 5/175:35 pmATW - BCN
1 stop12h 40mUnited Airlines
Wed 6/31:15 pmBCN - ATW
2 stops32h 55mUnited Airlines
Deal found 12/16$791

Find flight deals from Oshkosh to Spain

Keep the following information in mind while searching for Oshkosh to Spain flight deals. Data was last updated December 18, 2025.

Round-trip from

$472
(United Airlines)

Popular in

July

Cheapest in

December

Average price

$548
From Oshkosh to Spain
Search Deals
Highest demand for flights based on searches. 20% potential increase in price ($210 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($48 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Oshkosh to Spain 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 18, 2025.
Use the filters below to find and compare flights from Oshkosh to Spain that are best for you.

Fly from

Oshkosh

Fly to

Spain

Route

Depart

Return

Price

AppletonBarcelona

ATW - BCN

ATWBCN

Appleton Intl

Fri 2/6

5:23 pm-5:35 pm

2 stops17h 12m

Barcelona-El Prat

Tue 2/10

1:35 pm-2:09 pm

2 stops31h 34m

$472

AppletonBarcelona

ATW - BCN

ATWBCN

Appleton Intl

Sun 5/17

5:35 pm-1:15 pm

1 stop12h 40m

Barcelona-El Prat

Wed 6/3

3:15 pm-8:58 pm

1 stop12h 43m

$761

AppletonBarcelona

ATW - BCN

ATWBCN

Appleton Intl

Mon 5/18

1:10 pm-3:30 pm

2 stops19h 20m

Barcelona-El Prat

Tue 6/2

3:15 pm-8:58 pm

1 stop12h 43m

$779

AppletonBarcelona

ATW - BCN

ATWBCN

Appleton Intl

Sun 5/17

5:35 pm-1:15 pm

1 stop12h 40m

Barcelona-El Prat

Wed 6/3

1:15 pm-3:10 pm

2 stops32h 55m

$791

AppletonLas Palmas de Gran Canaria

ATW - LPA

ATWLPA

Appleton Intl

Fri 1/23

11:25 am-8:35 pm

2 stops27h 10m

Las Palmas de Gran Canaria

Tue 1/27

6:50 am-6:01 pm

2 stops17h 11m

$1,025

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/15

Best time to book a flight from Oshkosh to Spain

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

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

Currently, February is the cheapest month in which you can book a flight from Oshkosh to Spain (average of $438). Flying from Oshkosh to Spain in June is currently the most expensive (average of $1,098). 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 ES?

Find hourly flight availability from Oshkosh to Spain. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 18, 2025.

It’s typically best to fly out from Oshkosh to Spain in the morning. Doing so could potentially save you 16% on the flight price compared to flying in the afternoon, which is usually more expensive.

Reviews of airlines servicing Spain

Get insights into the airlines that provide service to Spain. 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 Spain. Reviews last updated December 18, 2025.
Get a feel of what it's like to fly with United Airlines and American Airlines from Oshkosh to Spain by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,091 reviews

Entertainment

7.1

Food

6.6

Crew

8.1

Boarding

7.7

Overall

7.4

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Kevin,Dec 2025

BOS - EWR

Seems like every United flight has a delay and it’s always someone else’s fault. Step up and take some accountability
United Airlines
7.4
Good
9,091 reviews
United Airlines
7.4
Good
9,091 reviews

Entertainment

7.1

Food

6.6

Crew

8.1

Boarding

7.7

Overall

7.4

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Kevin,Dec 2025

BOS - EWR

Seems like every United flight has a delay and it’s always someone else’s fault. Step up and take some accountability
American Airlines
7.2
Good
11,054 reviews
United Airlines
7.4
Good
9,091 reviews

Entertainment

7.1

Food

6.6

Crew

8.1

Boarding

7.7

Overall

7.4

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Kevin,Dec 2025

BOS - EWR

Seems like every United flight has a delay and it’s always someone else’s fault. Step up and take some accountability

Related info for your journey

Find useful and relevant information for your journey from Oshkosh to Spain. 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 Spain?

    For as low as $761, United Airlines can have you in Spain from Oshkosh in 12h 40m. The distance between Oshkosh and Spain is about 4346 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

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

  • How can I find direct flights from Oshkosh to Spain?

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

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

    Yes. Cheapflights offers flight deals from Oshkosh to Spain 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 Spain?

    Currently, February is the cheapest month in which you can book a flight from Oshkosh to Spain (average of $438). Flying from Oshkosh to Spain in June is currently the most expensive (average of $1,098). 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

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Top 5 airlines flying from Oshkosh to Spain

Discover the top 5 airlines that operate flights from Oshkosh to Spain. 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 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$508Average$799FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$577Average$892FlexibilityNo cancel feeOn-time71%
IberiaCheapest$587Average$794FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$619Average$881FlexibilityNo cancel feeOn-time70%
DeltaCheapest$632Average$879FlexibilityNo cancel feeOn-timeN/A

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