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$743+ 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 12/7. Fares are subject to change and may not be available on all flights or dates of travel.
ATW — BCN
apr 21 — apr 281
mar 4/21
mar 4/28
1 adult, Economy
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Cheap 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 marzo 22, 2026.

This United Airlines deal was found by Cheapflights users on 3/19. 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.
lun 12/75:35 pm
ATW
-
BCN
2 stops17h 00m
United Airlines
mer 12/911:00 am
BCN
-
ATW
2 stops20h 26m
United Airlines
Deal found 3/19$743
This United Airlines deal was found by Cheapflights users on 3/18. 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.
ven 11/135:35 pm
ATW
-
BCN
1 stop12h 35m
United Airlines
mar 11/173:05 pm
BCN
-
ATW
1 stop16h 21m
United Airlines
Deal found 3/18$827
This Expedia deal was found by Cheapflights users on 3/20. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun 5/412:33 pm
ATW
-
BCN
2 stops17h 07m
Lufthansa
lun 5/116:40 pm
BCN
-
ATW
2 stops33h 50m
Lufthansa
Deal found 3/20$889
This United Airlines deal was found by Cheapflights users on 3/20. 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.
lun 5/45:38 pm
ATW
-
BCN
1 stop12h 37m
United Airlines
lun 5/111:50 pm
BCN
-
ATW
2 stops36h 15m
United Airlines
Deal found 3/20$890
This Cheapflightsfares deal was found by Cheapflights users on 3/20. 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.
dom 8/3012:26 pm
ATW
-
BCN
2 stops15h 39m
Lufthansa
lun 9/76:40 am
BCN
-
ATW
2 stops17h 12m
Lufthansa
Deal found 3/20$911
This United Airlines deal was found by Cheapflights users on 3/21. 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.
lun 8/318:30 pm
ATW
-
BCN
2 stops28h 30m
United Airlines
dom 9/68:00 am
BCN
-
ATW
2 stops18h 12m
United Airlines
Deal found 3/21$923
This United Airlines deal was found by Cheapflights users on 3/19. 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.
dom 5/32:43 pm
ATW
-
BCN
1 stop15h 32m
United Airlines
dom 5/103:15 pm
BCN
-
ATW
1 stop15h 59m
United Airlines
Deal found 3/19$926

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 marzo 22, 2026.

Round-trip from

$889
(Expedia)

Popular in

June

Cheapest in

December

Average price

$1,144
From Appleton Intl to Barcelona
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($192 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($70 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
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 marzo 22, 2026.
Use the filters below to find and compare flights from Appleton to Barcelona that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

AppletonBarcelona

ATW - BCN

ATWBCN

Appleton Intl

lun 5/4

5:38 pm-1:15 pm

1 stop12h 37m

Barcelona-El Prat

lun 5/11

1:50 pm-7:05 pm

2 stops36h 15m

$890

AppletonBarcelona

ATW - BCN

ATWBCN

Appleton Intl

lun 8/31

8:30 pm-8:00 am

2 stops28h 30m

Barcelona-El Prat

dom 9/6

8:00 am-7:12 pm

2 stops18h 12m

$923

AppletonBarcelona

ATW - BCN

ATWBCN

Appleton Intl

dom 5/3

10:35 am-8:20 am

2 stops14h 45m

Barcelona-El Prat

dom 5/10

11:15 am-9:30 pm

2 stops17h 15m

$931

AppletonBarcelona

ATW - BCN

ATWBCN

Appleton Intl

lun 5/18

8:15 pm-7:45 pm

2 stops16h 30m

Barcelona-El Prat

mar 6/2

6:40 am-7:16 pm

2 stops19h 36m

$1,003

AppletonBarcelona

ATW - BCN

ATWBCN

Appleton Intl

dom 7/5

7:00 am-8:35 am

2 stops18h 35m

Barcelona-El Prat

gio 7/16

11:00 am-9:58 pm

1 stop17h 58m

$1,119

AppletonBarcelona

ATW - BCN

ATWBCN

Appleton Intl

dom 7/5

12:24 pm-1:15 pm

1 stop17h 51m

Barcelona-El Prat

ven 7/17

1:15 pm-2:05 pm

2 stops31h 50m

$1,129
Quickest round-trip

AppletonBarcelona

ATW - BCN

ATWBCN

Appleton Intl

sab 7/4

10:33 am-8:00 am

2 stops14h 27m

Barcelona-El Prat

gio 7/16

3:15 pm-11:00 pm

1 stop14h 45m

$1,188

AppletonBarcelona

ATW - BCN

ATWBCN

Appleton Intl

sab 7/4

5:29 am-8:35 am

2 stops20h 06m

Barcelona-El Prat

ven 7/17

3:15 pm-8:40 pm

2 stops36h 25m

$1,202

AppletonBarcelona

ATW - BCN

ATWBCN

Appleton Intl

ven 7/3

8:13 pm-1:15 pm

1 stop34h 02m

Barcelona-El Prat

lun 7/20

3:15 pm-12:36 am

1 stop16h 21m

$1,726

AppletonBarcelona

ATW - BCN

ATWBCN

Appleton Intl

dom 8/30

10:55 am-6:10 pm

3 stops24h 15m

Barcelona-El Prat

dom 9/6

7:00 pm-8:40 pm

3 stops32h 40m

$1,928

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/20

Sorted by cheapest first

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, February is the cheapest month in which you can book a flight from Appleton to Barcelona (average of $485). Flying from Appleton 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.

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 marzo 22, 2026.
See what other customers who have flown with United 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
9,455 reviews

Entertainment

7.1

Food

6.6

Boarding

7.7

Overall

7.4

Crew

8.1

Comfort

7.3

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
9,455 reviews
United Airlines
7.4
Good
9,455 reviews

Entertainment

7.1

Food

6.6

Boarding

7.7

Overall

7.4

Crew

8.1

Comfort

7.3

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 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 1 airline. 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 18h 35m. Fly via United Airlines or Delta to get the fastest option. The distance between Appleton and Barcelona is about 4346 mi. This flight may include one or multiple stops.

  • What is the cheapest airline to fly from Appleton to Barcelona round-trip?

    Flying on United Airlines is currently your cheapest option to Barcelona, with prices starting at $548. This flight start at 42% 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, February is the cheapest month in which you can book a flight from Appleton to Barcelona (average of $485). Flying from Appleton 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

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Alternative routes for Appleton to Barcelona

See prices for flight routes from nearby airports that may be better suited for you.
O'Hare Intl to Barcelona-El Prat flights
Minneapolis to Barcelona-El Prat flights
Milwaukee to Barcelona-El Prat flights

Top airline flying from Appleton to Barcelona

Discover the top airline 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 marzo 22, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$548Average$1,044FlexibilityNo cancel feeOn-time69%

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