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$517+ Cheap flights from Appleton (ATW) 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 10/9. Fares are subject to change and may not be available on all flights or dates of travel.
ATW — BCN
Aug 31 — Sep 71
Mon 8/31
Mon 9/7
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 August 1, 2026.

This United Airlines deal was found by Cheapflights users on 7/29. 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.
Wed 12/210:34 am
ATW
-
BCN
2 stops14h 46m
United Airlines
Fri 12/41:35 pm
BCN
-
ATW
2 stops31h 32m
United Airlines
Deal found 7/29$757
This Expedia deal was found by Cheapflights users on 7/30. 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.
Thu 11/1211:29 am
ATW
-
BCN
2 stops38h 41m
Iberia
Mon 11/233:00 pm
BCN
-
ATW
2 stops33h 48m
Iberia
Deal found 7/30$809
This Ovago deal was found by Cheapflights users on 7/30. 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.
Thu 11/124:55 pm
ATW
-
BCN
1 stop13h 20m
Multiple Airlines
Mon 11/237:55 pm
BCN
-
ATW
2 stops26h 51m
Multiple Airlines
Deal found 7/30$878
This KLM deal was found by Cheapflights users on 7/30. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/125:35 am
ATW
-
BCN
1 stop20h 05m
KLM
Mon 11/2310:50 am
BCN
-
ATW
1 stop18h 27m
KLM
Deal found 7/30$899
This United Airlines deal was found by Cheapflights users on 7/31. 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 9/145:00 pm
ATW
-
BCN
1 stop13h 15m
United Airlines
Mon 9/2110:25 am
BCN
-
ATW
2 stops34h 37m
United Airlines
Deal found 7/31$912
This United Airlines deal was found by Cheapflights users on 7/30. 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 12/242:40 pm
ATW
-
BCN
2 stops35h 55m
United Airlines
Tue 12/296:50 am
BCN
-
ATW
2 stops19h 30m
United Airlines
Deal found 7/30$933
This American Airlines deal was found by Cheapflights users on 7/31. 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.
Mon 9/1411:36 am
ATW
-
BCN
1 stop16h 19m
American Airlines
Mon 9/2110:30 am
BCN
-
ATW
1 stop20h 25m
American Airlines
Deal found 7/31$939
This United Airlines deal was found by Cheapflights users on 7/29. 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 8/305:00 pm
ATW
-
BCN
1 stop13h 15m
United Airlines
Sun 9/66:40 am
BCN
-
ATW
2 stops19h 21m
United Airlines
Deal found 7/29$941
This American Airlines deal was found by Cheapflights users on 7/30. 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 8/305:58 pm
ATW
-
BCN
2 stops16h 07m
American Airlines
Sun 9/67:00 am
BCN
-
ATW
2 stops17h 28m
American Airlines
Deal found 7/30$945

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 August 1, 2026.

Round-trip from

$757
(United Airlines)

One-way from

$517
(Air France)

Popular in

July

Cheapest in

December

Average price

$1,203
From Appleton Intl to Barcelona
Search Deals
One-way flight from Appleton Intl to Barcelona
Search Deals
Highest demand for flights based on searches. 31% potential increase in price ($529 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 10% potential price decrease ($112 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2026
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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 August 1, 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

Wed 12/2

10:34 am-8:20 am

2 stops14h 46m

Barcelona-El Prat

Fri 12/4

1:35 pm-2:07 pm

2 stops31h 32m

$757
Quickest round-trip

AppletonBarcelona

ATW - BCN

ATWBCN

Appleton Intl

Thu 11/12

5:35 am-8:40 am

1 stop20h 05m

Barcelona-El Prat

Mon 11/23

10:50 am-10:17 pm

1 stop18h 27m

$899

AppletonBarcelona

ATW - BCN

ATWBCN

Appleton Intl

Mon 9/14

5:00 pm-1:15 pm

1 stop13h 15m

Barcelona-El Prat

Mon 9/21

10:25 am-2:02 pm

2 stops34h 37m

$912

AppletonBarcelona

ATW - BCN

ATWBCN

Appleton Intl

Sun 8/30

5:31 am-12:50 pm

1 stop24h 19m

Barcelona-El Prat

Sun 9/6

11:00 am-10:44 pm

1 stop18h 44m

$965

AppletonBarcelona

ATW - BCN

ATWBCN

Appleton Intl

Mon 8/31

5:31 am-12:50 pm

1 stop24h 19m

Barcelona-El Prat

Sun 9/6

11:00 am-10:44 pm

1 stop18h 44m

$965

AppletonBarcelona

ATW - BCN

ATWBCN

Appleton Intl

Fri 8/14

11:00 am-12:50 pm

2 stops18h 50m

Barcelona-El Prat

Tue 8/25

11:00 am-10:29 am

2 stops30h 29m

$1,082
Cheapest one-way
Quickest one-way

AppletonBarcelona

ATW - BCN

ATWBCN

Appleton Intl

Fri 8/14

12:28 pm-1:15 pm

1 stop17h 47m

$605

AppletonBarcelona

ATW - BCN

ATWBCN

Appleton Intl

Fri 8/14

5:48 pm-7:00 pm

2 stops18h 12m

$606

AppletonBarcelona

ATW - BCN

ATWBCN

Appleton Intl

Fri 10/9

6:14 pm-10:35 am

1 stop33h 21m

$620

AppletonBarcelona

ATW - BCN

ATWBCN

Appleton Intl

Fri 10/9

1:09 pm-12:45 am

3 stops28h 36m

$984

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

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

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

Airfare is below average for this route at the moment.
Appleton to Barcelona flights typically cost between $1,164 and $1,353 in December.
The cheapest round-trip price found within the last 5 days was $757 on United Airlines (Dec 2-Dec 4).

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 August 1, 2026.
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
10,062 reviews

Comfort

7.3

Overall

7.4

Crew

8.1

Entertainment

7.1

Food

6.7

Boarding

7.7

Reviews

1 / 20
6.0
Good

Dawn,Jul 2026

ORD - GRR

The crew aboard the plane were not very friendly. They definitely acted like it was a chore to be there.
United Airlines
7.4
Good
10,062 reviews
United Airlines
7.4
Good
10,062 reviews

Comfort

7.3

Overall

7.4

Crew

8.1

Entertainment

7.1

Food

6.7

Boarding

7.7

Reviews

1 / 20
6.0
Good

Dawn,Jul 2026

ORD - GRR

The crew aboard the plane were not very friendly. They definitely acted like it was a chore to be there.
American Airlines
7.1
Good
11,845 reviews
United Airlines
7.4
Good
10,062 reviews

Comfort

7.3

Overall

7.4

Crew

8.1

Entertainment

7.1

Food

6.7

Boarding

7.7

Reviews

1 / 20
6.0
Good

Dawn,Jul 2026

ORD - GRR

The crew aboard the plane were not very friendly. They definitely acted like it was a chore to be there.

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 14h 46m. Fly via United Airlines 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 $488. Another option worth looking into is American Airlines, starting at $577 round trip. These flights start at 57% 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.

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 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 August 1, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$488Average$1,044FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$577Average$1,203FlexibilityNo cancel feeOn-time71%

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