HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Barcelona

$635+ Cheap flights from Oshkosh, WI to Barcelona

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 8/17. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — BCN
jul. 8 — jul. 151
mar. 7/8
mar. 7/15
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Oshkosh to Barcelona 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 Barcelona

Keep the following information in mind while searching for Oshkosh to Barcelona flight deals. Data was last updated julio 3, 2025.

Round-trip from

$635
(lastminute.com)

Popular in

July

Cheapest in

December

Average price

$1,581
From Oshkosh to Barcelona
Search Deals
Highest demand for flights based on searches. 22% potential increase in price ($285 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($52 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2025
Search Deals

Find flight deals from Oshkosh to Barcelona

Cheapest flights from Oshkosh to Barcelona
Explore the most affordable flight options available from Oshkosh to Barcelona. Find the lowest fares from popular airlines and budget airlines, with prices last updated on julio 3, 2025.

This lastminute.com deal was found by Cheapflights users on 7/1. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 8/175:34 amATW - BCN
1 stop18h 41mVirgin Atlantic
mar. 8/2611:35 amBCN - ATW
1 stop18h 18mVirgin Atlantic
Deal found 7/1$635
This United Airlines deal was found by Cheapflights users on 7/2. 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.
mar. 8/121:05 pmATW - BCN
1 stop17h 10mUnited Airlines
mar. 8/1912:10 pmBCN - ATW
2 stops32h 56mUnited Airlines
Deal found 7/2$640
This American Airlines deal was found by Cheapflights users on 7/1. 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.
dom. 8/176:35 pmATW - BCN
2 stops16h 40mAmerican Airlines
mar. 8/2610:45 amBCN - ATW
2 stops17h 38mAmerican Airlines
Deal found 7/1$653
This Delta deal was found by Cheapflights users on 7/1. 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. 8/176:28 amATW - BCN
2 stops17h 47mDelta
mar. 8/2611:35 amBCN - ATW
1 stop18h 18mDelta
Deal found 7/1$667
This Mytrip deal was found by Cheapflights users on 7/1. 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.
dom. 8/177:00 amATW - BCN
3 stops34h 15mMultiple Airlines
mar. 8/269:05 amBCN - ATW
2 stops38h 44mMultiple Airlines
Deal found 7/1$2,146
This business-class.com deal was found by Cheapflights users on 7/2. 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 business-class.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 10/1312:37 pmATW - BCN
2 stops16h 18mLufthansa
vie. 10/246:50 amBCN - ATW
2 stops16h 59mLufthansa
Deal found 7/2$11,414

Cheapflights Fare Finder

Customize your flight search to find flights from Oshkosh to Barcelona 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 julio 3, 2025.
Use the filters below to find and compare flights from Oshkosh to Barcelona that are best for you.

Fly from

Oshkosh

Fly to

Barcelona

Route

Depart

Return

Price

AppletonBarcelona

ATW - BCN

ATWBCN

Appleton Intl

dom. 8/17

5:34 am-7:15 am

1 stop18h 41m

Barcelona-El Prat

mar. 8/26

11:35 am-10:53 pm

1 stop18h 18m

$635

AppletonBarcelona

ATW - BCN

ATWBCN

Appleton Intl

mar. 8/12

1:05 pm-1:15 pm

1 stop17h 10m

Barcelona-El Prat

mar. 8/19

12:10 pm-2:06 pm

2 stops32h 56m

$640

AppletonBarcelona

ATW - BCN

ATWBCN

Appleton Intl

dom. 8/17

6:35 pm-6:15 pm

2 stops16h 40m

Barcelona-El Prat

mar. 8/26

10:45 am-9:23 pm

2 stops17h 38m

$653

AppletonBarcelona

ATW - BCN

ATWBCN

Appleton Intl

dom. 8/17

6:28 am-7:15 am

2 stops17h 47m

Barcelona-El Prat

mar. 8/26

11:35 am-10:53 pm

1 stop18h 18m

$667

AppletonBarcelona

ATW - BCN

ATWBCN

Appleton Intl

dom. 8/17

7:00 am-12:15 am

3 stops34h 15m

Barcelona-El Prat

mar. 8/26

9:05 am-4:49 pm

2 stops38h 44m

$2,146

AppletonBarcelona

ATW - BCN

ATWBCN

Appleton Intl

lun. 10/13

12:37 pm-11:55 am

2 stops16h 18m

Barcelona-El Prat

vie. 10/24

6:50 am-4:49 pm

2 stops16h 59m

$11,414

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

Best time to book a flight from Oshkosh to Barcelona

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

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

Currently, January is the cheapest month in which you can book a flight from Oshkosh to Barcelona (average of $523). Flying from Oshkosh to Barcelona in June is currently the most expensive (average of $1,059). 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 BCN?

Find hourly flight availability from Oshkosh to Barcelona. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated julio 3, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Oshkosh to Barcelona as you normally would.

Reviews of airlines servicing Barcelona

Get insights into the airlines that provide service to Barcelona. 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 Barcelona. Reviews last updated julio 3, 2025.
See what other customers who have flown with Delta, United Airlines, and Virgin Atlantic from Oshkosh to Barcelona have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,982 reviews

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,982 reviews
Delta
8.0
Very good
7,982 reviews

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,861 reviews
Delta
8.0
Very good
7,982 reviews

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Virgin Atlantic
7.4
Good
654 reviews
Delta
8.0
Very good
7,982 reviews

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,982 reviews

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Lufthansa
6.8
Okay
7,207 reviews
Delta
8.0
Very good
7,982 reviews

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Oshkosh to Barcelona. 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 Barcelona that include hotel bookings?

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Oshkosh to Barcelona (average of $523). Flying from Oshkosh to Barcelona in June is currently the most expensive (average of $1,059). 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.

Top 4 airlines flying from Oshkosh to Barcelona

Discover the top 4 airlines that operate flights from Oshkosh to Barcelona. 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 julio 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$531Average$853FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$566Average$995FlexibilityNo cancel feeOn-time71%
DeltaCheapest$572Average$874FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$619Average$926FlexibilityNo cancel feeOn-time70%

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.