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$376+ Cheap flights from Oshkosh, WI to Barcelona

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 1/12. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — BCN
Feb 6 — Feb 131
Fri 2/6
Fri 2/13
1 adult, Economy
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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 January 7, 2026.

Round-trip from

$457
(American Airlines)

One-way from

$376
(American Airlines)

Popular in

July

Cheapest in

December

Average price

$834
From Oshkosh to Barcelona
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One-way flight from Oshkosh to Barcelona
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Highest demand for flights based on searches. 17% potential increase in price ($177 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($50 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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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 January 7, 2026.

This American Airlines deal was found by Cheapflights users on 1/6. 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 2/206:40 pmATW - BCN
2 stops18h 10mAmerican Airlines
Fri 2/2710:40 amBCN - ATW
1 stop17h 57mAmerican Airlines
Deal found 1/6$457
This American Airlines deal was found by Cheapflights users on 1/6. 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.
Tue 2/176:39 pmATW - BCN
2 stops16h 46mAmerican Airlines
Mon 2/236:40 amBCN - ATW
2 stops18h 12mAmerican Airlines
Deal found 1/6$472
This United Airlines deal was found by Cheapflights users on 1/6. 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 1/232:45 pmATW - BCN
2 stops19h 50mUnited Airlines
Tue 1/271:35 pmBCN - ATW
2 stops29h 25mUnited Airlines
Deal found 1/6$546
This Ovago deal was found by Cheapflights users on 1/6. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/175:25 amATW - BCN
1 stop20h 15mMultiple Airlines
Mon 2/2310:55 amBCN - ATW
1 stop17h 55mMultiple Airlines
Deal found 1/6$560
This Cheapflightsfares deal was found by Cheapflights users on 1/7. 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 5/171:10 pmATW - BCN
1 stop17h 05mLufthansa
Wed 6/33:15 pmBCN - ATW
1 stop12h 43mLufthansa
Deal found 1/7$617
This Cheapflightsfares deal was found by Cheapflights users on 1/7. 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 25mLufthansa
Tue 6/23:15 pmBCN - ATW
1 stop12h 43mLufthansa
Deal found 1/7$635
This American Airlines deal was found by Cheapflights users on 1/6. 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.
Sun 5/171:42 pmATW - BCN
2 stops16h 38mAmerican Airlines
Wed 6/37:40 amBCN - ATW
2 stops19h 02mAmerican Airlines
Deal found 1/6$668

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 January 7, 2026.
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

Fri 2/20

6:40 pm-7:50 pm

2 stops18h 10m

Barcelona-El Prat

Fri 2/27

10:40 am-9:37 pm

1 stop17h 57m

$457

AppletonBarcelona

ATW - BCN

ATWBCN

Appleton Intl

Tue 2/17

6:39 pm-6:25 pm

2 stops16h 46m

Barcelona-El Prat

Mon 2/23

6:40 am-5:52 pm

2 stops18h 12m

$472

AppletonBarcelona

ATW - BCN

ATWBCN

Appleton Intl

Fri 1/23

2:45 pm-5:35 pm

2 stops19h 50m

Barcelona-El Prat

Tue 1/27

1:35 pm-12:00 pm

2 stops29h 25m

$546

AppletonBarcelona

ATW - BCN

ATWBCN

Appleton Intl

Tue 2/17

5:25 am-8:40 am

1 stop20h 15m

Barcelona-El Prat

Mon 2/23

10:55 am-9:50 pm

1 stop17h 55m

$560

AppletonBarcelona

ATW - BCN

ATWBCN

Appleton Intl

Sun 5/17

1:10 pm-1:15 pm

1 stop17h 05m

Barcelona-El Prat

Wed 6/3

3:15 pm-8:58 pm

1 stop12h 43m

$617

AppletonBarcelona

ATW - BCN

ATWBCN

Appleton Intl

Mon 5/18

1:10 pm-3:35 pm

2 stops19h 25m

Barcelona-El Prat

Tue 6/2

3:15 pm-8:58 pm

1 stop12h 43m

$635

AppletonBarcelona

ATW - BCN

ATWBCN

Appleton Intl

Sun 5/17

1:42 pm-1:20 pm

2 stops16h 38m

Barcelona-El Prat

Wed 6/3

7:40 am-7:42 pm

2 stops19h 02m

$668

AppletonBarcelona

ATW - BCN

ATWBCN

Appleton Intl

Mon 1/12

11:25 am-1:40 pm

2 stops19h 15m

$376

AppletonBarcelona

ATW - BCN

ATWBCN

Appleton Intl

Wed 1/14

11:25 am-1:40 pm

2 stops19h 15m

$376

AppletonBarcelona

ATW - BCN

ATWBCN

Appleton Intl

Sat 2/21

6:17 am-8:20 am

2 stops19h 03m

$399

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/5

Showing 1-10 of 12 results
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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, February is the cheapest month in which you can book a flight from Oshkosh to Barcelona (average of $488). Flying from Oshkosh to Barcelona in June is currently the most expensive (average of $1,229). 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.

How much does it cost to fly round-trip from Oshkosh to Barcelona?

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 January 7, 2026.
See what other customers who have flown with United Airlines and American Airlines 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.
United Airlines
7.4
Good
9,139 reviews

Crew

8.1

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Food

6.6

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.
United Airlines
7.4
Good
9,139 reviews
United Airlines
7.4
Good
9,139 reviews

Crew

8.1

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Food

6.6

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.
American Airlines
7.2
Good
11,095 reviews
United Airlines
7.4
Good
9,139 reviews

Crew

8.1

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Food

6.6

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.

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.

  • How long is the flight from Oshkosh to Barcelona?

    There are many flights that can get you from Oshkosh to Barcelona in 18h 10m. Fly via American Airlines or United Airlines to get the fastest option. The distance between Oshkosh and Barcelona is about 4346 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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, February is the cheapest month in which you can book a flight from Oshkosh to Barcelona (average of $488). Flying from Oshkosh to Barcelona in June is currently the most expensive (average of $1,229). 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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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 January 7, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$484Average$910FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$508Average$813FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$619Average$878FlexibilityNo cancel feeOn-time70%
DeltaCheapest$632Average$879FlexibilityNo cancel feeOn-timeN/A

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