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$545+ 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 9/28. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — MAD
oct. 15 — oct. 221
mié. 10/15
mié. 10/22
1 adult, Economy
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Cheap flight deals from Oshkosh to Spain

Keep the following information in mind while searching for Oshkosh to Spain flight deals. Data was last updated septiembre 15, 2025.

Round-trip from

$545
(KLM)

Popular in

June

Cheapest in

December

Average price

$866
From Oshkosh to Spain
Search Deals
Highest demand for flights based on searches. 33% potential increase in price ($470 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($60 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Oshkosh to Spain

Cheapest flights from Oshkosh to Spain
Explore the most affordable flight options available from Oshkosh to Spain. Find the lowest fares from popular airlines and budget airlines, with prices last updated on septiembre 15, 2025.

This KLM deal was found by Cheapflights users on 9/15. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 9/285:35 amATW - BCN
1 stop20h 45mKLM
mar. 10/711:35 amBCN - ATW
1 stop17h 07mKLM
Deal found 9/15$545
This Virgin Atlantic deal was found by Cheapflights users on 9/15. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 9/285:35 amATW - BCN
1 stop20h 45mVirgin Atlantic
mar. 10/711:35 amBCN - ATW
1 stop17h 07mVirgin Atlantic
Deal found 9/15$553
This Delta deal was found by Cheapflights users on 9/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 9/287:00 amATW - BCN
2 stops17h 15mDelta
mar. 10/711:35 amBCN - ATW
1 stop17h 07mDelta
Deal found 9/15$557
This United Airlines deal was found by Cheapflights users on 9/13. 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.
jue. 10/162:45 pmATW - BCN
2 stops23h 55mUnited Airlines
lun. 10/276:50 amBCN - ATW
2 stops37h 07mUnited Airlines
Deal found 9/13$720
This United Airlines deal was found by Cheapflights users on 9/15. 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.
sáb. 12/138:15 amATW - BCN
2 stops17h 05mUnited Airlines
mié. 12/311:35 pmBCN - ATW
2 stops36h 44mUnited Airlines
Deal found 9/15$779
This KLM deal was found by Cheapflights users on 9/14. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/1911:08 amATW - LPA
2 stops24h 12mKLM
dom. 11/2310:00 amLPA - ATW
2 stops42h 08mKLM
Deal found 9/14$894
This Gurufare deal was found by Cheapflights users on 9/14. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/166:45 pmATW - BCN
1 stop11h 30mLufthansa
lun. 10/2711:55 amBCN - ATW
2 stops34h 47mLufthansa
Deal found 9/14$1,017
This Delta deal was found by Cheapflights users on 9/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 12/135:23 amATW - BCN
1 stop20h 17mDelta
mié. 12/316:00 amBCN - ATW
2 stops22h 25mDelta
Deal found 9/15$1,144
This KLM deal was found by Cheapflights users on 9/13. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/165:41 amATW - BCN
1 stop20h 39mKLM
lun. 10/279:45 amBCN - ATW
1 stop17h 57mKLM
Deal found 9/13$1,408
This KLM deal was found by Cheapflights users on 9/15. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 12/135:23 amATW - BCN
1 stop20h 17mKLM
mié. 12/3110:55 amBCN - ATW
1 stop17h 30mKLM
Deal found 9/15$1,703

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 septiembre 15, 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

dom. 9/28

5:35 am-9:20 am

1 stop20h 45m

Barcelona-El Prat

mar. 10/7

11:35 am-9:42 pm

1 stop17h 07m

$545

AppletonBarcelona

ATW - BCN

ATWBCN

Appleton Intl

dom. 9/28

7:00 am-7:15 am

2 stops17h 15m

Barcelona-El Prat

mar. 10/7

9:00 am-9:42 pm

2 stops19h 42m

$557

AppletonBarcelona

ATW - BCN

ATWBCN

Appleton Intl

jue. 10/16

2:45 pm-9:40 pm

2 stops23h 55m

Barcelona-El Prat

lun. 10/27

6:50 am-1:57 pm

2 stops37h 07m

$720

AppletonBarcelona

ATW - BCN

ATWBCN

Appleton Intl

sáb. 12/13

12:30 pm-8:20 am

2 stops12h 50m

Barcelona-El Prat

mié. 12/31

1:35 pm-9:36 pm

2 stops39h 01m

$779

AppletonLas Palmas de Gran Canaria

ATW - LPA

ATWLPA

Appleton Intl

mié. 11/19

11:08 am-5:20 pm

2 stops24h 12m

Las Palmas de Gran Canaria

dom. 11/23

10:00 am-10:08 pm

2 stops42h 08m

$894

AppletonBarcelona

ATW - BCN

ATWBCN

Appleton Intl

jue. 10/16

6:45 pm-1:15 pm

1 stop11h 30m

Barcelona-El Prat

lun. 10/27

11:55 am-4:42 pm

2 stops34h 47m

$1,017

AppletonBarcelona

ATW - BCN

ATWBCN

Appleton Intl

sáb. 12/13

5:23 am-8:40 am

1 stop20h 17m

Barcelona-El Prat

mié. 12/31

6:00 am-9:25 pm

2 stops22h 25m

$1,144

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

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, November is the cheapest month in which you can book a flight from Oshkosh to Spain (average of $543). Flying from Oshkosh to Spain in June is currently the most expensive (average of $1,054). 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 septiembre 15, 2025.

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

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 septiembre 15, 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
8,929 reviews

Crew

8.1

Boarding

7.7

Entertainment

7.1

Food

6.6

Comfort

7.3

Overall

7.4

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,929 reviews
United Airlines
7.4
Good
8,929 reviews

Crew

8.1

Boarding

7.7

Entertainment

7.1

Food

6.6

Comfort

7.3

Overall

7.4

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,929 reviews

Crew

8.1

Boarding

7.7

Entertainment

7.1

Food

6.6

Comfort

7.3

Overall

7.4

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

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 $557, KLM can have you in Spain from Oshkosh in 17h 15m. 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, November is the cheapest month in which you can book a flight from Oshkosh to Spain (average of $543). Flying from Oshkosh to Spain in June is currently the most expensive (average of $1,054). 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

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See prices for flight routes from nearby airports that may be better suited for you.
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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 septiembre 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapest$536Average$715FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$544Average$902FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$573Average$958FlexibilityNo cancel feeOn-time71%
DeltaCheapest$580Average$879FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$619Average$881FlexibilityNo cancel feeOn-time70%

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