HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Barcelona-El Prat

$350+ 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 3/5. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — BCN
Nov 26 — Dec 31
Wed 11/26
Wed 12/3
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Knoxville to Barcelona-El Prat with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap 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 October 27, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$486
(United Airlines)

One-way from

$350
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$732
Provider with most accurate pricing for Knoxville McGhee Tyson-Barcelona-El Prat flight deals.
Search Deals
Provider most trusted by Cheapflights users for Knoxville McGhee Tyson-Barcelona-El Prat flights.
Search Deals
From Knoxville McGhee Tyson to Barcelona-El Prat
Search Deals
One-way flight from Knoxville McGhee Tyson to Barcelona-El Prat
Search Deals
Highest demand for flights based on searches. 25% potential increase in price ($339 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($55 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

Find 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 October 27, 2025.

This United Airlines deal was found by Cheapflights users on 10/25. 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 10/267:20 pmTYS - BCN
1 stop32h 00mUnited Airlines
Tue 11/113:05 pmBCN - TYS
1 stop13h 50mUnited Airlines
Deal found 10/25$476
This Finnair deal was found by Cheapflights users on 10/25. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/46:00 amTYS - BCN
1 stop19h 05mMultiple Airlines
Thu 11/1311:00 amBCN - TYS
1 stop18h 59mMultiple Airlines
Deal found 10/25$484
This United Airlines deal was found by Cheapflights users on 10/27. 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.
Sat 12/67:25 pmTYS - BCN
1 stop30h 55mUnited Airlines
Mon 12/151:35 pmBCN - TYS
2 stops35h 54mUnited Airlines
Deal found 10/27$486
This United deal was found by Cheapflights users on 10/25. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/87:25 pmTYS - BCN
2 stops31h 35mMultiple Airlines
Mon 12/151:35 pmBCN - TYS
2 stops31h 08mMultiple Airlines
Deal found 10/25$490
This United Airlines deal was found by Cheapflights users on 10/27. 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.
Tue 11/48:26 amTYS - BCN
2 stops22h 34mUnited Airlines
Thu 11/1310:30 amBCN - TYS
1 stop15h 50mUnited Airlines
Deal found 10/27$503
This Gotogate deal was found by Cheapflights users on 10/25. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/265:52 pmTYS - BCN
2 stops24h 28mLufthansa
Tue 11/115:50 amBCN - TYS
2 stops20h 30mLufthansa
Deal found 10/25$516
This KLM deal was found by Cheapflights users on 10/27. 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.
Sat 12/63:50 pmTYS - BCN
1 stop10h 50mKLM
Mon 12/1510:55 amBCN - TYS
1 stop15h 10mKLM
Deal found 10/27$533
This United deal was found by Cheapflights users on 10/25. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/265:52 pmTYS - BCN
1 stop14h 18mMultiple Airlines
Tue 11/111:35 pmBCN - TYS
2 stops31h 08mMultiple Airlines
Deal found 10/25$576

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 October 27, 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

Sat 12/6

10:50 am-10:45 am

2 stops41h 55m

Barcelona-El Prat

Mon 12/15

1:35 pm-7:29 pm

2 stops35h 54m

$486

KnoxvilleBarcelona

TYS - BCN

TYSBCN

Knoxville McGhee Tyson

Mon 12/8

2:30 pm-8:20 am

1 stop11h 50m

Barcelona-El Prat

Mon 12/15

1:35 pm-7:29 pm

2 stops35h 54m

$486

KnoxvilleBarcelona

TYS - BCN

TYSBCN

Knoxville McGhee Tyson

Sat 1/31

12:30 pm-11:10 am

2 stops16h 40m

Barcelona-El Prat

Wed 2/11

10:55 am-8:37 pm

1 stop15h 42m

$488

KnoxvilleBarcelona

TYS - BCN

TYSBCN

Knoxville McGhee Tyson

Mon 12/8

7:25 pm-9:00 am

2 stops31h 35m

Barcelona-El Prat

Mon 12/15

1:35 pm-2:43 pm

2 stops31h 08m

$490

KnoxvilleBarcelona

TYS - BCN

TYSBCN

Knoxville McGhee Tyson

Sat 1/31

7:20 pm-9:35 am

2 stops32h 15m

Barcelona-El Prat

Wed 2/11

6:45 am-10:49 am

2 stops34h 04m

$490

KnoxvilleBarcelona

TYS - BCN

TYSBCN

Knoxville McGhee Tyson

Sat 1/31

2:19 pm-9:00 am

1 stop12h 41m

Barcelona-El Prat

Wed 2/11

12:30 pm-8:56 pm

1 stop14h 26m

$509

KnoxvilleBarcelona

TYS - BCN

TYSBCN

Knoxville McGhee Tyson

Sat 1/31

6:20 am-7:05 am

1 stop18h 45m

Barcelona-El Prat

Wed 2/11

10:40 am-10:47 pm

1 stop18h 07m

$509

KnoxvilleBarcelona

TYS - BCN

TYSBCN

Knoxville McGhee Tyson

Thu 3/5

6:30 am-11:55 am

1 stop23h 25m

$350

KnoxvilleBarcelona

TYS - BCN

TYSBCN

Knoxville McGhee Tyson

Thu 3/5

7:00 am-8:20 am

2 stops19h 20m

$469

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/24

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 October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 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 May is currently the most expensive (average of $1,050). 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 October 27, 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.

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 October 27, 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
7,996 reviews

Food

7.3

Crew

8.5

Boarding

8.2

Overall

7.9

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Delta
7.9
Good
7,996 reviews
Delta
7.9
Good
7,996 reviews

Food

7.3

Crew

8.5

Boarding

8.2

Overall

7.9

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
United Airlines
7.4
Good
8,999 reviews
Delta
7.9
Good
7,996 reviews

Food

7.3

Crew

8.5

Boarding

8.2

Overall

7.9

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
American Airlines
7.2
Good
11,031 reviews
Delta
7.9
Good
7,996 reviews

Food

7.3

Crew

8.5

Boarding

8.2

Overall

7.9

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
British Airways
6.7
Okay
7,476 reviews
Delta
7.9
Good
7,996 reviews

Food

7.3

Crew

8.5

Boarding

8.2

Overall

7.9

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

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 41h 55m. 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 American Airlines and British Airways - these airlines can fly you to your destination from $631 and $632, respectively. These flights start at 55% 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 May is currently the most expensive (average of $1,050). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 October 27, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$631Average$1,009FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$632Average$762FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$732Average$1,081FlexibilityNo cancel feeOn-time69%
DeltaCheapest$830Average$1,276FlexibilityNo cancel feeOn-timeN/A

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.