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$535+ 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 9/20. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — BCN
Mar 14 — Mar 211
Sat 3/14
Sat 3/21
1 adult, Economy
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Cheap 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 February 12, 2026.

This Gurufare deal was found by Cheapflights users on 2/9. 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.
Sun 9/205:29 am
ATW
-
BCN
1 stop24h 21m
Air Europa
Tue 9/2910:55 am
BCN
-
ATW
2 stops18h 02m
Air Europa
Deal found 2/9$535
This United Airlines deal was found by Cheapflights users on 2/9. 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 9/205:00 am
ATW
-
BCN
2 stops20h 20m
United Airlines
Tue 9/296:40 am
BCN
-
ATW
2 stops17h 10m
United Airlines
Deal found 2/9$562
This Gurufare deal was found by Cheapflights users on 2/9. 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.
Sun 9/205:29 am
ATW
-
BCN
1 stop24h 21m
Multiple Airlines
Tue 9/2911:35 am
BCN
-
ATW
1 stop17h 22m
Multiple Airlines
Deal found 2/9$579
This KAYAK deal was found by Cheapflights users on 2/9. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/205:29 am
ATW
-
BCN
1 stop24h 21m
Multiple Airlines
Sat 9/2611:35 am
BCN
-
ATW
1 stop17h 22m
Multiple Airlines
Deal found 2/9$580
This KAYAK deal was found by Cheapflights users on 2/9. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/205:29 am
ATW
-
BCN
1 stop24h 21m
Air Europa
Sat 9/2610:55 am
BCN
-
ATW
2 stops18h 02m
Air Europa
Deal found 2/9$581
This Delta deal was found by Cheapflights users on 2/10. 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.
Sun 10/181:26 pm
ATW
-
BCN
2 stops16h 04m
Delta
Tue 11/36:00 am
BCN
-
ATW
2 stops22h 35m
Delta
Deal found 2/10$587
This Delta deal was found by Cheapflights users on 2/9. 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.
Sat 9/195:29 am
ATW
-
BCN
2 stops44h 06m
Delta
Sat 9/263:15 pm
BCN
-
ATW
2 stops32h 22m
Delta
Deal found 2/9$591
This United Airlines deal was found by Cheapflights users on 2/9. 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.
Mon 9/2110:34 am
ATW
-
BCN
1 stop19h 41m
United Airlines
Sat 9/2612:15 pm
BCN
-
ATW
2 stops17h 28m
United Airlines
Deal found 2/9$607
This United Airlines deal was found by Cheapflights users on 2/9. 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 9/205:00 am
ATW
-
BCN
2 stops20h 20m
United Airlines
Sat 9/2612:15 pm
BCN
-
ATW
2 stops17h 28m
United Airlines
Deal found 2/9$611
This United Airlines deal was found by Cheapflights users on 2/10. 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 4/212:54 pm
ATW
-
BCN
1 stop15h 21m
United Airlines
Tue 5/1212:15 pm
BCN
-
ATW
2 stops32h 46m
United Airlines
Deal found 2/10$612
This United Airlines deal was found by Cheapflights users on 2/9. 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 9/223:47 pm
ATW
-
BCN
2 stops15h 38m
United Airlines
Sat 9/268:00 am
BCN
-
ATW
2 stops21h 43m
United Airlines
Deal found 2/9$616
This Delta deal was found by Cheapflights users on 2/9. 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.
Wed 9/165:29 am
ATW
-
BCN
2 stops20h 16m
Delta
Sat 9/2610:55 am
BCN
-
ATW
2 stops18h 02m
Delta
Deal found 2/9$627

Find flight deals from Oshkosh to Barcelona

Keep the following information in mind while searching for Oshkosh to Barcelona flight deals. Data was last updated February 12, 2026.

Round-trip from

$612
(United Airlines)

Popular in

June

Cheapest in

December
From Oshkosh to Barcelona
Search Deals
Highest demand for flights based on searches. 18% potential increase in price ($208 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease ($71 potential savings vs. average RT price).
Search Deals

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 February 12, 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

Tue 4/21

2:54 pm-1:15 pm

1 stop15h 21m

Barcelona-El Prat

Tue 5/12

12:15 pm-2:01 pm

2 stops32h 46m

$612

AppletonBarcelona

ATW - BCN

ATWBCN

Appleton Intl

Wed 2/25

6:17 am-2:15 pm

2 stops24h 58m

Barcelona-El Prat

Sun 3/1

6:50 am-7:07 pm

2 stops19h 17m

$699

AppletonBarcelona

ATW - BCN

ATWBCN

Appleton Intl

Mon 5/18

5:33 pm-1:15 pm

1 stop12h 42m

Barcelona-El Prat

Tue 6/2

12:15 pm-9:59 am

2 stops28h 44m

$730

AppletonBarcelona

ATW - BCN

ATWBCN

Appleton Intl

Sun 5/17

5:33 pm-1:15 pm

1 stop12h 42m

Barcelona-El Prat

Wed 6/3

12:15 pm-9:59 am

2 stops28h 44m

$730

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/10

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 $486). Flying from Oshkosh to Barcelona in June is currently the most expensive (average of $1,264). 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.

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 February 12, 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
9,283 reviews

Entertainment

7.1

Overall

7.4

Boarding

7.7

Food

6.6

Comfort

7.3

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,283 reviews
United Airlines
7.4
Good
9,283 reviews

Entertainment

7.1

Overall

7.4

Boarding

7.7

Food

6.6

Comfort

7.3

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
American Airlines
7.2
Good
11,275 reviews
United Airlines
7.4
Good
9,283 reviews

Entertainment

7.1

Overall

7.4

Boarding

7.7

Food

6.6

Comfort

7.3

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

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 15h 21m. Fly via United Airlines to get the fastest option. The distance between Oshkosh and Barcelona is about 4346 mi.

  • 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 $486). Flying from Oshkosh to Barcelona in June is currently the most expensive (average of $1,264). 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 February 12, 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$457Average$744FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$484Average$816FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$499Average$816FlexibilityNo cancel feeOn-time69%
DeltaCheapest$632Average$893FlexibilityNo cancel feeOn-timeN/A

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