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$472+ 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 2/6. Fares are subject to change and may not be available on all flights or dates of travel.
ATW — BCN
Jan 14 — Jan 211
Wed 1/14
Wed 1/21
1 adult, Economy
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Cheap flight deals from Appleton to Barcelona

Best flights from Appleton to Barcelona
Discover carefully curated flight deals from Appleton to Barcelona that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 15, 2025.

This United Airlines deal was found by Cheapflights users on 12/12. 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 2/63:39 pmATW - BCN
2 stops18h 56mUnited Airlines
Tue 2/101:35 pmBCN - ATW
2 stops34h 13mUnited Airlines
Deal found 12/12$472
This Cheapflightsfares deal was found by Cheapflights users on 12/15. 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 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 12/15$761
This Cheapflightsfares deal was found by Cheapflights users on 12/13. 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 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 20mLufthansa
Tue 6/23:15 pmBCN - ATW
1 stop12h 43mLufthansa
Deal found 12/13$779

Find 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 December 15, 2025.

Round-trip from

$472
(United Airlines)

Popular in

July

Cheapest in

December

Average price

$548
From Appleton Intl to Barcelona
Search Deals
Highest demand for flights based on searches. 20% potential increase in price ($210 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($48 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 December 15, 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

Fri 2/6

3:39 pm-5:35 pm

2 stops18h 56m

Barcelona-El Prat

Tue 2/10

1:35 pm-4:48 pm

2 stops34h 13m

$472

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

$761

AppletonBarcelona

ATW - BCN

ATWBCN

Appleton Intl

Mon 5/18

1:10 pm-3:30 pm

2 stops19h 20m

Barcelona-El Prat

Tue 6/2

3:15 pm-8:58 pm

1 stop12h 43m

$779

AppletonBarcelona

ATW - BCN

ATWBCN

Appleton Intl

Mon 1/5

9:51 am-1:40 pm

2 stops20h 49m

$682

AppletonBarcelona

ATW - BCN

ATWBCN

Appleton Intl

Mon 1/5

3:39 pm-5:05 pm

3 stops42h 26m

$706

AppletonBarcelona

ATW - BCN

ATWBCN

Appleton Intl

Mon 1/5

5:20 am-8:40 am

1 stop20h 20m

$1,672

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/14

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, December is the cheapest month in which you can book a flight from Appleton to Barcelona (average of $497). Flying from Appleton to Barcelona in June is currently the most expensive (average of $1,361). 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 December 15, 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
9,092 reviews

Crew

8.1

Boarding

7.7

Overall

7.4

Entertainment

7.1

Comfort

7.3

Food

6.6

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.
United Airlines
7.4
Good
9,092 reviews
United Airlines
7.4
Good
9,092 reviews

Crew

8.1

Boarding

7.7

Overall

7.4

Entertainment

7.1

Comfort

7.3

Food

6.6

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.
American Airlines
7.2
Good
11,052 reviews
United Airlines
7.4
Good
9,092 reviews

Crew

8.1

Boarding

7.7

Overall

7.4

Entertainment

7.1

Comfort

7.3

Food

6.6

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.

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 17h 05m. Fly via United Airlines or Lufthansa to get the fastest option. The distance between Appleton and Barcelona is about 4346 mi. This flight may include one or multiple stops.

  • 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 $548. Another option worth looking into is American Airlines, starting at $577 round trip. These flights start at 31% 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, December is the cheapest month in which you can book a flight from Appleton to Barcelona (average of $497). Flying from Appleton to Barcelona in June is currently the most expensive (average of $1,361). 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

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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 December 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$548Average$848FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$577Average$743FlexibilityNo cancel feeOn-time71%

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