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$540+ Cheap flights from Appleton (ATW) 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 9/22. Fares are subject to change and may not be available on all flights or dates of travel.
ATW — BCN
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from Appleton to Barcelona

Discover tips and strategies to find the most affordable flight options for your journey from Appleton (ATW) to Barcelona (S37). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 11, 2025.

Round-trip from

$560
(United Airlines)

Popular in

June

Cheapest in

December

Average price

$1,125
From Appleton Intl to Barcelona
Search Deals
Highest demand for flights based on searches. 25% potential increase in price ($326 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($52 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 Appleton to Barcelona

Cheapest flights from Appleton to Barcelona
Explore the most affordable flight options available from Appleton to Barcelona. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This Flysmarter deal was found by Cheapflights users on 9/9. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/225:35 amATW - BCN
1 stop20h 45mVirgin Atlantic
Wed 10/111:35 amBCN - ATW
1 stop18h 05mVirgin Atlantic
Deal found 9/9$540
This Delta deal was found by Cheapflights users on 9/9. 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.
Mon 9/2211:10 amATW - BCN
2 stops17h 45mDelta
Wed 10/19:30 amBCN - ATW
2 stops20h 10mDelta
Deal found 9/9$545
This American Airlines deal was found by Cheapflights users on 9/11. 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 10/104:18 pmATW - BCN
2 stops16h 37mAmerican Airlines
Tue 10/217:45 amBCN - ATW
2 stops16h 56mAmerican Airlines
Deal found 9/11$630
This United Airlines deal was found by Cheapflights users on 9/11. 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 10/106:45 pmATW - BCN
1 stop11h 30mUnited Airlines
Tue 10/2111:15 amBCN - ATW
2 stops17h 18mUnited Airlines
Deal found 9/11$637
This United Airlines deal was found by Cheapflights users on 9/11. 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.
Thu 12/116:30 amATW - BCN
2 stops18h 50mUnited Airlines
Tue 12/301:35 pmBCN - ATW
2 stops39h 01mUnited Airlines
Deal found 9/11$694
This Cheapflightsfares deal was found by Cheapflights users on 9/10. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/166:45 pmATW - BCN
2 stops16h 10mLufthansa
Mon 10/275:50 amBCN - ATW
2 stops16h 52mLufthansa
Deal found 9/10$702
This United Airlines deal was found by Cheapflights users on 9/11. 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.
Thu 12/118:15 amATW - BCN
2 stops17h 45mUnited Airlines
Mon 12/291:45 pmBCN - ATW
2 stops36h 34mUnited Airlines
Deal found 9/11$746
This Delta deal was found by Cheapflights users on 9/11. 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.
Fri 9/194:16 pmATW - BCN
2 stops15h 34mDelta
Fri 9/2611:35 amBCN - ATW
1 stop18h 05mDelta
Deal found 9/11$765
This United Airlines deal was found by Cheapflights users on 9/11. 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.
Sat 12/133:42 pmATW - BCN
2 stops18h 53mUnited Airlines
Tue 12/301:35 pmBCN - ATW
2 stops39h 01mUnited Airlines
Deal found 9/11$797
This Delta deal was found by Cheapflights users on 9/11. 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 9/2011:10 amATW - BCN
2 stops17h 45mDelta
Sat 9/2711:35 amBCN - ATW
1 stop18h 05mDelta
Deal found 9/11$802

Cheapflights Fare Finder

 
Customize your flight search to find flights from Appleton 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 September 11, 2025.
Use the filters below to find and compare flights from Appleton to Barcelona that are best for you.

Fly from

Appleton

Fly to

Barcelona

Route

Depart

Return

Price

AppletonBarcelona

ATW - BCN

ATWBCN

Appleton Intl

Mon 9/22

5:35 am-9:20 am

1 stop20h 45m

Barcelona-El Prat

Wed 10/1

11:35 am-10:40 pm

1 stop18h 05m

$540

AppletonBarcelona

ATW - BCN

ATWBCN

Appleton Intl

Mon 9/22

5:35 am-9:20 am

1 stop20h 45m

Barcelona-El Prat

Wed 10/1

9:30 am-10:28 am

2 stops31h 58m

$545

AppletonBarcelona

ATW - BCN

ATWBCN

Appleton Intl

Tue 1/13

5:29 am-8:40 am

1 stop20h 11m

Barcelona-El Prat

Tue 1/20

10:15 am-11:21 am

2 stops32h 06m

$568

AppletonBarcelona

ATW - BCN

ATWBCN

Appleton Intl

Wed 1/7

6:30 am-8:00 am

2 stops18h 30m

Barcelona-El Prat

Fri 1/16

10:55 am-11:21 am

2 stops31h 26m

$572

AppletonBarcelona

ATW - BCN

ATWBCN

Appleton Intl

Wed 1/7

12:35 pm-9:35 am

2 stops14h 00m

Barcelona-El Prat

Mon 1/19

1:35 pm-2:09 pm

2 stops31h 34m

$610

AppletonBarcelona

ATW - BCN

ATWBCN

Appleton Intl

Sun 1/11

5:29 am-8:00 am

2 stops19h 31m

Barcelona-El Prat

Mon 1/19

12:15 pm-4:42 pm

2 stops35h 27m

$613

AppletonBarcelona

ATW - BCN

ATWBCN

Appleton Intl

Fri 10/10

6:45 pm-1:15 pm

1 stop11h 30m

Barcelona-El Prat

Tue 10/21

11:15 am-9:33 pm

2 stops17h 18m

$637

AppletonBarcelona

ATW - BCN

ATWBCN

Appleton Intl

Fri 1/9

5:23 pm-5:35 pm

2 stops17h 12m

Barcelona-El Prat

Tue 1/20

11:55 am-4:48 pm

2 stops35h 53m

$687

AppletonBarcelona

ATW - BCN

ATWBCN

Appleton Intl

Thu 12/11

6:30 am-8:20 am

2 stops18h 50m

Barcelona-El Prat

Wed 12/31

1:35 pm-4:48 pm

2 stops34h 13m

$694

AppletonBarcelona

ATW - BCN

ATWBCN

Appleton Intl

Thu 12/11

6:30 am-8:20 am

2 stops18h 50m

Barcelona-El Prat

Tue 12/30

1:35 pm-9:36 pm

2 stops39h 01m

$694

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Best time to book a flight from Appleton to Barcelona

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

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

Currently, January is the cheapest month in which you can book a flight from Appleton to Barcelona (average of $523). Flying from Appleton 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.

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 September 11, 2025.
See what other customers who have flown with United Airlines and American Airlines from Appleton 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
8,937 reviews

Overall

7.4

Comfort

7.3

Boarding

7.7

Crew

8.1

Food

6.6

Entertainment

7.1

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
8,937 reviews
United Airlines
7.4
Good
8,937 reviews

Overall

7.4

Comfort

7.3

Boarding

7.7

Crew

8.1

Food

6.6

Entertainment

7.1

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
8,937 reviews

Overall

7.4

Comfort

7.3

Boarding

7.7

Crew

8.1

Food

6.6

Entertainment

7.1

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 Appleton to Barcelona. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Appleton to Barcelona?

    Most people fly from Appleton Intl (ATW) if they book a flight from Appleton to Barcelona. On average, Appleton Intl has 0 outbound flights to Barcelona per day from 2 airlines. Appleton Intl is conveniently located just 5.1 mi from Appleton’s city center.

  • How long is the flight from Appleton to Barcelona?

    There are many flights that can get you from Appleton to Barcelona in 20h 45m. Fly via Virgin Atlantic or Delta to get the fastest option. The distance between Appleton and Barcelona is about 4346 mi.

  • What are the cheapest airlines flying from Appleton to Barcelona round-trip?

    Flying on United Airlines is currently your cheapest option to Barcelona, with prices starting at $589. Another option worth looking into is American Airlines, starting at $681 round trip. These flights start at 39% lower than the current average price 3 months from now.

  • Can I find deals for flights from Appleton to Barcelona that include hotel bookings?

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Appleton to Barcelona (average of $523). Flying from Appleton 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

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Top 2 airlines flying from Appleton to Barcelona

Discover the top 2 airlines that operate flights from Appleton 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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$589Average$924FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$681Average$884FlexibilityNo cancel feeOn-time71%

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