HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Barcelona

$364+ Cheap flights from Knoxville (TYS) 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 3/6. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — BCN
Jan 20 — Jan 271
Tue 1/20
Tue 1/27
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Knoxville to Barcelona 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

Cheapest flights from Knoxville to Barcelona
Explore the most affordable flight options available from Knoxville to Barcelona. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 21, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/286:00 amTYS - BCN
1 stop23h 55mMultiple Airlines
Sun 1/49:15 pmBCN - TYS
2 stops49h 32mMultiple Airlines
Deal found 12/21$2,023
This Iberia deal was found by Cheapflights users on 12/20. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2311:21 amTYS - BCN
2 stops27h 59mIberia
Sat 12/277:00 amBCN - TYS
2 stops20h 21mIberia
Deal found 12/20$2,195
This Ovago deal was found by Cheapflights users on 12/21. 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 Ovago 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 1/410:30 amBCN - TYS
1 stop15h 21mLufthansa
Deal found 12/21$2,351
This KLM deal was found by Cheapflights users on 12/21. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/286:59 pmTYS - BCN
2 stops15h 31mKLM
Sun 1/41:00 pmBCN - TYS
2 stops16h 26mKLM
Deal found 12/21$2,405
This FlightHub deal was found by Cheapflights users on 12/20. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/235:40 pmTYS - BCN
2 stops42h 45mBritish Airways
Sat 12/2712:30 pmBCN - TYS
1 stop14h 13mBritish Airways
Deal found 12/20$2,555
This KLM deal was found by Cheapflights users on 12/20. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/236:59 pmTYS - BCN
1 stop31h 41mKLM
Sat 12/2710:55 amBCN - TYS
1 stop18h 34mKLM
Deal found 12/20$2,734
This Air Canada deal was found by Cheapflights users on 12/20. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/239:50 amTYS - BCN
3 stops17h 45mMultiple Airlines
Sat 12/271:35 pmBCN - TYS
2 stops16h 24mMultiple Airlines
Deal found 12/20$2,892
This Air Canada deal was found by Cheapflights users on 12/20. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/239:50 amTYS - BCN
3 stops17h 45mAir Canada
Sat 12/276:50 amBCN - TYS
3 stops19h 01mAir Canada
Deal found 12/20$3,231

Find flight deals from Knoxville to Barcelona

Discover tips and strategies to find the most affordable flight options for your journey from Knoxville (TYS) 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 December 21, 2025.

Round-trip from

$468
(United Airlines)

One-way from

$364
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$894
From Knoxville McGhee Tyson to Barcelona
Search Deals
One-way flight from Knoxville McGhee Tyson to Barcelona
Search Deals
Highest demand for flights based on searches. 28% potential increase in price ($374 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($59 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Knoxville 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 December 21, 2025.
Use the filters below to find and compare flights from Knoxville to Barcelona that are best for you.

Fly from

Knoxville

Fly to

Barcelona

Route

Depart

Return

Price

KnoxvilleBarcelona

TYS - BCN

TYSBCN

Knoxville McGhee Tyson

Mon 1/19

6:45 am-9:35 am

2 stops20h 50m

Barcelona-El Prat

Mon 1/26

1:35 pm-7:27 pm

2 stops35h 52m

$468

KnoxvilleBarcelona

TYS - BCN

TYSBCN

Knoxville McGhee Tyson

Fri 1/23

7:44 am-9:00 am

1 stop19h 16m

Barcelona-El Prat

Sun 1/25

12:30 pm-8:56 pm

1 stop14h 26m

$482

KnoxvilleBarcelona

TYS - BCN

TYSBCN

Knoxville McGhee Tyson

Sat 1/31

7:44 am-9:00 am

1 stop19h 16m

Barcelona-El Prat

Wed 2/11

10:40 am-10:47 pm

1 stop18h 07m

$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

10:40 am-10:47 pm

1 stop18h 07m

$484

KnoxvilleBarcelona

TYS - BCN

TYSBCN

Knoxville McGhee Tyson

Sat 2/14

5:42 am-7:05 am

1 stop19h 23m

Barcelona-El Prat

Sat 2/21

11:00 am-11:55 pm

1 stop18h 55m

$484

KnoxvilleBarcelona

TYS - BCN

TYSBCN

Knoxville McGhee Tyson

Wed 2/18

5:35 am-8:50 am

1 stop21h 15m

Barcelona-El Prat

Sun 2/22

11:00 am-11:55 pm

1 stop18h 55m

$484

KnoxvilleBarcelona

TYS - BCN

TYSBCN

Knoxville McGhee Tyson

Sat 1/31

2:25 pm-12:15 pm

2 stops15h 50m

Barcelona-El Prat

Wed 2/11

7:40 am-7:27 pm

2 stops17h 47m

$488

KnoxvilleBarcelona

TYS - BCN

TYSBCN

Knoxville McGhee Tyson

Fri 3/6

11:51 am-9:25 am

2 stops39h 34m

$364

KnoxvilleBarcelona

TYS - BCN

TYSBCN

Knoxville McGhee Tyson

Mon 5/4

8:23 pm-10:50 pm

2 stops20h 27m

$378

KnoxvilleBarcelona

TYS - BCN

TYSBCN

Knoxville McGhee Tyson

Mon 5/4

1:15 pm-7:40 pm

3 stops24h 25m

$469

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/21

Showing 1-10 of 12 results
1
2

Best time to book a flight from Knoxville to Barcelona

Have a flexible travel schedule? Discover the best time to fly to Barcelona 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

What is the cheapest month to book a flight from Knoxville to Barcelona?

Currently, December is the cheapest month in which you can book a flight from Knoxville to Barcelona (average of $433). Flying from Knoxville to Barcelona 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. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 21, 2025.

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

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

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 December 21, 2025.
Read reviews from past customers who have flown Delta, United Airlines, and American Airlines from Knoxville to Barcelona. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,017 reviews

Overall

7.9

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Boarding

8.1

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
8,017 reviews
Delta
7.9
Good
8,017 reviews

Overall

7.9

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Boarding

8.1

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
9,100 reviews
Delta
7.9
Good
8,017 reviews

Overall

7.9

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Boarding

8.1

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
11,051 reviews
Delta
7.9
Good
8,017 reviews

Overall

7.9

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Boarding

8.1

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
7,602 reviews
Delta
7.9
Good
8,017 reviews

Overall

7.9

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Boarding

8.1

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. 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?

    For a flight from Knoxville to Barcelona, you will be flying from McGhee Tyson. Knoxville McGhee Tyson (TYS) is just 11.3 mi from the center of the city. McGhee Tyson is the only Knoxville airport and it handles 0 outbound flights to Barcelona per day. 4 airlines have flights to Barcelona from Knoxville McGhee Tyson on a regular basis.

  • How long is the flight from Knoxville to Barcelona?

    Airlines like United Airlines and British Airways fly from Knoxville to Barcelona in about 19h 16m. The time it takes to get you to your destination can typically vary by up to 1h 34m. There are 4465 mi between Knoxville and Barcelona. This flight may include one or multiple stops.

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

    According to our current data, Delta ($433), British Airways ($483), and American Airlines ($605) offers the cheapest pricing from Knoxville to Barcelona. Delta is currently priced 53% below the average price you’ll pay for this route.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Knoxville 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 Knoxville to Barcelona?

    Currently, December is the cheapest month in which you can book a flight from Knoxville to Barcelona (average of $433). Flying from Knoxville to Barcelona 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

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

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
Knoxville to Barcelona-El Prat flights
Blountville to Barcelona-El Prat flights

Top 4 airlines flying from Knoxville to Barcelona

Discover the top 4 airlines that operate flights from Knoxville 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 December 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$433Average$1,276FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$483Average$743FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$605Average$1,050FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$732Average$1,150FlexibilityNo cancel feeOn-time69%

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.