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Barcelona-El Prat

$396+ Cheap flights from Knoxville (TYS) to Barcelona-El Prat (BCN)

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 4/15. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — BCN
Feb 25 — Mar 41
Wed 2/25
Wed 3/4
1 adult, Economy
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Cheap flight deals from Knoxville to Barcelona-El Prat

Cheapest flights from Knoxville to Barcelona-El Prat
Explore the most affordable flight options available from Knoxville to Barcelona-El Prat. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 26, 2026.

This United Airlines deal was found by Cheapflights users on 1/24. 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 4/157:00 am
TYS
-
BCN
1 stop24h 15m
United Airlines
Fri 4/2412:15 pm
BCN
-
TYS
2 stops40h 14m
United Airlines
Deal found 1/24$465
This United Airlines deal was found by Cheapflights users on 1/26. 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 4/172:25 pm
TYS
-
BCN
1 stop11h 55m
United Airlines
Fri 5/11:15 pm
BCN
-
TYS
2 stops33h 56m
United Airlines
Deal found 1/26$520
This oojo deal was found by Cheapflights users on 1/25. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/2411:31 am
TYS
-
BCN
2 stops18h 49m
British Airways
Sun 5/39:20 pm
BCN
-
TYS
2 stops31h 05m
British Airways
Deal found 1/25$582
This American Airlines deal was found by Cheapflights users on 1/25. 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 4/247:00 am
TYS
-
BCN
1 stop17h 45m
American Airlines
Sun 5/33:30 pm
BCN
-
TYS
1 stop14h 29m
American Airlines
Deal found 1/25$585
This United Airlines deal was found by Cheapflights users on 1/25. 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 3/112:21 pm
TYS
-
BCN
2 stops15h 44m
United Airlines
Wed 3/1810:30 am
BCN
-
TYS
1 stop13h 59m
United Airlines
Deal found 1/25$593
This United Airlines deal was found by Cheapflights users on 1/25. 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 3/87:25 pm
TYS
-
BCN
1 stop31h 55m
United Airlines
Mon 3/1612:35 pm
BCN
-
TYS
2 stops31h 15m
United Airlines
Deal found 1/25$594

Find flight deals from Knoxville to Barcelona-El Prat

Discover tips and strategies to find the most affordable flight options for your journey from Knoxville (TYS) to Barcelona-El Prat (BCN). 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 January 26, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$465
(United Airlines)

One-way from

$396
(Cheapflightsfares)

Popular in

June

Cheapest in

January

Average price

$483
Provider with most accurate pricing for Knoxville McGhee Tyson-Barcelona-El Prat flight deals.
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Provider most trusted by Cheapflights users for Knoxville McGhee Tyson-Barcelona-El Prat flights.
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From Knoxville McGhee Tyson to Barcelona-El Prat
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One-way flight from Knoxville McGhee Tyson to Barcelona-El Prat
Search Deals
Highest demand for flights based on searches. 30% potential increase in price ($388 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($56 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Knoxville to Barcelona-El Prat 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 January 26, 2026.
Use the filters below to find and compare flights from Knoxville to Barcelona-El Prat Airport that are best for you.

Fly from

Knoxville

Fly to

Barcelona-El Prat

Route

Depart

Return

Price

KnoxvilleBarcelona

TYS - BCN

TYSBCN

Knoxville McGhee Tyson

Wed 4/15

7:00 am-1:15 pm

1 stop24h 15m

Barcelona-El Prat

Fri 4/24

12:15 pm-10:29 pm

2 stops40h 14m

$465

KnoxvilleBarcelona

TYS - BCN

TYSBCN

Knoxville McGhee Tyson

Wed 4/15

6:00 am-1:00 pm

1 stop25h 00m

Barcelona-El Prat

Fri 4/24

3:30 pm-11:59 pm

1 stop14h 29m

$485

KnoxvilleBarcelona

TYS - BCN

TYSBCN

Knoxville McGhee Tyson

Fri 4/17

2:25 pm-8:20 am

1 stop11h 55m

Barcelona-El Prat

Fri 5/1

1:15 pm-8:45 pm

2 stops37h 30m

$520

KnoxvilleBarcelona

TYS - BCN

TYSBCN

Knoxville McGhee Tyson

Wed 4/15

7:20 pm-10:25 pm

2 stops21h 05m

$396

KnoxvilleBarcelona

TYS - BCN

TYSBCN

Knoxville McGhee Tyson

Fri 7/10

12:53 pm-9:50 pm

2 stops26h 57m

$398

KnoxvilleBarcelona

TYS - BCN

TYSBCN

Knoxville McGhee Tyson

Wed 4/15

4:25 pm-1:20 pm

3 stops38h 55m

$402

KnoxvilleBarcelona

TYS - BCN

TYSBCN

Knoxville McGhee Tyson

Fri 3/6

2:06 pm-10:55 pm

2 stops26h 49m

$460

KnoxvilleBarcelona

TYS - BCN

TYSBCN

Knoxville McGhee Tyson

Tue 2/10

5:15 pm-6:25 pm

2 stops19h 10m

$509

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/25

Compare providers for flights from Knoxville to Barcelona-El Prat

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Knoxville to Barcelona-El Prat in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Knoxville-Barcelona-El Prat Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Knoxville-Barcelona-El Prat Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Knoxville-Barcelona-El Prat Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Knoxville-Barcelona-El Prat Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Knoxville-Barcelona-El Prat Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Knoxville to Barcelona-El Prat

Have a flexible travel schedule? Discover the best time to fly to Barcelona-El Prat from Knoxville 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 Knoxville to Barcelona-El Prat Airport

What is the cheapest month to book a flight from Knoxville to Barcelona-El Prat Airport?

Currently, December is the cheapest month in which you can book a flight from Knoxville to Barcelona-El Prat Airport (average of $433). Flying from Knoxville to Barcelona-El Prat Airport in June is currently the most expensive (average of $940). 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.

How much does it cost to fly round-trip from Knoxville to Barcelona-El Prat Airport?

Reviews of airlines servicing Barcelona-El Prat

Get insights into the airlines that provide service to Barcelona-El Prat. 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-El Prat. Reviews last updated January 26, 2026.
Get a feel of what it's like to fly with Delta, United Airlines, and American Airlines from Knoxville to Barcelona-El Prat Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,111 reviews

Crew

8.5

Boarding

8.1

Food

7.2

Entertainment

7.8

Overall

7.9

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,111 reviews
Delta
7.9
Good
8,111 reviews

Crew

8.5

Boarding

8.1

Food

7.2

Entertainment

7.8

Overall

7.9

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,199 reviews
Delta
7.9
Good
8,111 reviews

Crew

8.5

Boarding

8.1

Food

7.2

Entertainment

7.8

Overall

7.9

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,189 reviews
Delta
7.9
Good
8,111 reviews

Crew

8.5

Boarding

8.1

Food

7.2

Entertainment

7.8

Overall

7.9

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
British Airways
6.7
Okay
7,700 reviews
Delta
7.9
Good
8,111 reviews

Crew

8.5

Boarding

8.1

Food

7.2

Entertainment

7.8

Overall

7.9

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Knoxville to Barcelona-El Prat. 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 Knoxville to Barcelona-El Prat?

    Knoxville McGhee Tyson (TYS) is the airport you will fly out of if you book a flight from Knoxville to Barcelona-El Prat. You should not have trouble finding flights to Barcelona-El Prat from McGhee Tyson; the airport handles an average of 0 outbound flights to Barcelona-El Prat per day. You should also have plenty of airline options to choose from since 4 airlines have flights from the Knoxville airport to Barcelona-El Prat. It is only a 11.3 mi journey to McGhee Tyson (TYS) from Knoxville’s city center.

  • How long is the flight from Knoxville to Barcelona-El Prat Airport?

    Departing from Knoxville to Barcelona-El Prat Airport will take you 24h 15m. Knoxville and Barcelona-El Prat Airport are separated by a distance of 4465 mi.

  • What are the cheapest airlines flying from Knoxville to Barcelona-El Prat Airport round-trip?

    Currently priced at $433, Delta will fly you from Knoxville to Barcelona-El Prat Airport and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from British Airways and American Airlines - these airlines can fly you to your destination from $483 and $512, respectively. These flights start at 51% lower than the current average price 3 months from now.

  • Can I find deals for flights from Knoxville to Barcelona-El Prat that include hotel bookings?

    Yes. In addition to deals on Knoxville to Barcelona-El Prat flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Knoxville to Barcelona-El Prat?

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

  • Can I find deals for business class flights from Knoxville to Barcelona-El Prat?

    Yes. Cheapflights offers flight deals from Knoxville to Barcelona-El Prat 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 Knoxville to Barcelona-El Prat Airport?

    Currently, December is the cheapest month in which you can book a flight from Knoxville to Barcelona-El Prat Airport (average of $433). Flying from Knoxville to Barcelona-El Prat Airport in June is currently the most expensive (average of $940). 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

Traveling to a place near Barcelona-El Prat Airport?

Book flights to Barcelona-El Prat Airport if you plan to visit one of these locations
Calella
Roses
L'Hospitalet de Llobregat
Cadaques
El Prat de Llobregat
Badalona
Pineda de Mar

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Alternative routes for Knoxville to Barcelona-El Prat

See prices for flight routes from nearby airports that may be better suited for you.
Nashville to Barcelona-El Prat flights
Memphis to Barcelona-El Prat flights
Blountville to Barcelona-El Prat flights

Top 4 airlines flying from Knoxville to Barcelona-El Prat

Discover the top 4 airlines that operate flights from Knoxville to Barcelona-El Prat. 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 January 26, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$433Average$1,237FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$483Average$762FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$512Average$880FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$691Average$993FlexibilityNo cancel feeOn-time69%

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