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Barcelona-El Prat

$469+ Cheap flights from Knoxville (TYS) to Barcelona-El Prat (BCN)

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 1/19. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — BCN
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
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 December 12, 2025.

This FlightHub deal was found by Cheapflights users on 12/11. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/112:58 pmTYS - BCN
2 stops23h 27mAer Lingus
Sun 12/149:05 pmBCN - TYS
2 stops30h 35mAer Lingus
Deal found 12/11$1,157
This Kiwi.com deal was found by Cheapflights users on 12/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/234:46 pmTYS - BCN
2 stops41h 34mMultiple Airlines
Sat 12/276:10 pmBCN - TYS
1 stop23h 21mMultiple Airlines
Deal found 12/11$1,377
This Cheapflightsfares deal was found by Cheapflights users on 12/10. 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.
Tue 12/162:30 pmTYS - BCN
1 stop11h 50mLufthansa
Tue 12/236:50 amBCN - TYS
2 stops19h 01mLufthansa
Deal found 12/10$1,537
This Finnair deal was found by Cheapflights users on 12/10. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/166:00 amTYS - BCN
1 stop19h 05mMultiple Airlines
Tue 12/2312:30 pmBCN - TYS
1 stop14h 13mMultiple Airlines
Deal found 12/10$1,573
This American Airlines deal was found by Cheapflights users on 12/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/165:09 pmTYS - BCN
2 stops15h 36mAmerican Airlines
Tue 12/2312:30 pmBCN - TYS
2 stops17h 17mAmerican Airlines
Deal found 12/10$1,574
This American Airlines deal was found by Cheapflights users on 12/11. 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.
Thu 12/114:31 pmTYS - BCN
2 stops16h 14mAmerican Airlines
Sun 12/143:05 pmBCN - TYS
1 stop15h 36mAmerican Airlines
Deal found 12/11$1,928
This KLM deal was found by Cheapflights users on 12/11. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/117:59 pmTYS - BCN
1 stop30h 41mKLM
Sun 12/1410:55 amBCN - TYS
1 stop18h 33mKLM
Deal found 12/11$1,941
This Cheapflightsfares deal was found by Cheapflights users on 12/10. 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.
Sun 12/282:00 pmTYS - BCN
1 stop12h 20mLufthansa
Sun 1/49:10 amBCN - TYS
2 stops20h 49mLufthansa
Deal found 12/10$2,231
This Delta deal was found by Cheapflights users on 12/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/286:59 pmTYS - BCN
2 stops18h 06mDelta
Sun 1/410:15 amBCN - TYS
2 stops19h 11mDelta
Deal found 12/10$2,307

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 December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$469
(United Airlines)

Popular in

June

Cheapest in

January

Average price

$894
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
Search Deals
Highest demand for flights based on searches. 27% potential increase in price ($360 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($58 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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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 December 12, 2025.
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

Fri 2/6

6:45 am-9:00 am

2 stops20h 15m

Barcelona-El Prat

Tue 2/10

1:35 pm-8:52 pm

2 stops37h 17m

$469

KnoxvilleBarcelona

TYS - BCN

TYSBCN

Knoxville McGhee Tyson

Mon 1/19

6:45 am-9:00 am

2 stops20h 15m

Barcelona-El Prat

Mon 1/26

1:35 pm-7:27 pm

2 stops35h 52m

$469

KnoxvilleBarcelona

TYS - BCN

TYSBCN

Knoxville McGhee Tyson

Sat 1/31

4:44 pm-8:15 pm

2 stops21h 31m

Barcelona-El Prat

Wed 2/11

12:30 pm-8:56 pm

1 stop14h 26m

$472

KnoxvilleBarcelona

TYS - BCN

TYSBCN

Knoxville McGhee Tyson

Thu 3/5

12:20 pm-11:25 am

2 stops17h 05m

Barcelona-El Prat

Sat 3/14

11:00 am-11:59 pm

1 stop17h 59m

$481

KnoxvilleBarcelona

TYS - BCN

TYSBCN

Knoxville McGhee Tyson

Mon 1/12

7:44 am-11:20 am

2 stops21h 36m

Barcelona-El Prat

Mon 1/19

8:00 pm-8:56 pm

2 stops30h 56m

$481

KnoxvilleBarcelona

TYS - BCN

TYSBCN

Knoxville McGhee Tyson

Thu 3/5

6:40 am-9:00 am

1 stop20h 20m

Barcelona-El Prat

Thu 3/12

10:40 am-11:54 pm

1 stop18h 14m

$484

KnoxvilleBarcelona

TYS - BCN

TYSBCN

Knoxville McGhee Tyson

Mon 1/19

12:19 pm-8:50 am

1 stop14h 31m

Barcelona-El Prat

Mon 1/26

11:00 am-11:59 pm

1 stop18h 59m

$484

KnoxvilleBarcelona

TYS - BCN

TYSBCN

Knoxville McGhee Tyson

Sat 2/14

5:35 am-8:50 am

1 stop21h 15m

Barcelona-El Prat

Sat 2/21

10:40 am-9:39 pm

1 stop16h 59m

$484

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/9

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 December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
AranGrantPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Knoxville-Barcelona-El Prat Airport flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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 $919). 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.

What is the cheapest time of day to fly from TYS to BCN?

Find hourly flight availability from Knoxville to Barcelona-El Prat. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 12, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 18% on flights from Knoxville to Barcelona-El Prat Airport by exploring options for tickets in the evening.

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 December 12, 2025.
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
8,009 reviews

Boarding

8.1

Food

7.3

Entertainment

7.9

Crew

8.5

Comfort

7.9

Overall

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
8,009 reviews
Delta
7.9
Good
8,009 reviews

Boarding

8.1

Food

7.3

Entertainment

7.9

Crew

8.5

Comfort

7.9

Overall

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
9,095 reviews
Delta
7.9
Good
8,009 reviews

Boarding

8.1

Food

7.3

Entertainment

7.9

Crew

8.5

Comfort

7.9

Overall

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
11,048 reviews
Delta
7.9
Good
8,009 reviews

Boarding

8.1

Food

7.3

Entertainment

7.9

Crew

8.5

Comfort

7.9

Overall

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
7,571 reviews
Delta
7.9
Good
8,009 reviews

Boarding

8.1

Food

7.3

Entertainment

7.9

Crew

8.5

Comfort

7.9

Overall

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 20h 15m. Knoxville and Barcelona-El Prat Airport are separated by a distance of 4465 mi. This flight may include one or multiple stops.

  • 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 American Airlines and British Airways - these airlines can fly you to your destination from $605 and $632, respectively. These flights start at 54% 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 $919). 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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$433Average$1,276FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$605Average$1,050FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$632Average$762FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$732Average$1,106FlexibilityNo cancel feeOn-time69%

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