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$348+ 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 5/7. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — BCN
Mar 19 — Mar 261
Thu 3/19
Thu 3/26
1 adult, Economy
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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 February 17, 2026.

This United Airlines deal was found by Cheapflights users on 2/16. 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 stops51h 53m
United Airlines
Deal found 2/16$467
This American Airlines deal was found by Cheapflights users on 2/17. 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.
Wed 4/157:00 am
TYS
-
BCN
1 stop17h 45m
American Airlines
Fri 4/243:30 pm
BCN
-
TYS
1 stop14h 29m
American Airlines
Deal found 2/17$487
This United Airlines deal was found by Cheapflights users on 2/16. 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 5/112:15 pm
BCN
-
TYS
2 stops37h 20m
United Airlines
Deal found 2/16$517
This American Airlines deal was found by Cheapflights users on 2/17. 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 4/177:00 am
TYS
-
BCN
1 stop17h 45m
American Airlines
Fri 5/13:30 pm
BCN
-
TYS
1 stop14h 29m
American Airlines
Deal found 2/17$537
This oojo deal was found by Cheapflights users on 2/13. 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.
Wed 4/157:00 am
TYS
-
BCN
1 stop17h 45m
British Airways
Fri 4/249:30 pm
BCN
-
TYS
2 stops28h 48m
British Airways
Deal found 2/13$544
This FlightHub deal was found by Cheapflights users on 2/13. 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.
Sat 9/52:30 pm
TYS
-
BCN
2 stops37h 15m
Scandinavian Airlines
Sat 9/197:00 pm
BCN
-
TYS
2 stops32h 46m
Scandinavian Airlines
Deal found 2/13$609
This United Airlines deal was found by Cheapflights users on 2/16. 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 5/87:18 pm
TYS
-
BCN
2 stops30h 42m
United Airlines
Tue 5/1912:15 pm
BCN
-
TYS
2 stops37h 20m
United Airlines
Deal found 2/16$665

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 February 17, 2026.

Round-trip from

$467
(United Airlines)

One-way from

$348
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$484
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. 29% potential increase in price ($365 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($48 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
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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 February 17, 2026.
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

Wed 4/15

7:00 am-1:15 pm

1 stop24h 15m

Barcelona-El Prat

Fri 4/24

12:15 pm-10:08 am

2 stops51h 53m

$467

KnoxvilleBarcelona

TYS - BCN

TYSBCN

Knoxville McGhee Tyson

Wed 4/15

7:00 am-6:45 am

1 stop17h 45m

Barcelona-El Prat

Fri 4/24

3:30 pm-11:59 pm

1 stop14h 29m

$487

KnoxvilleBarcelona

TYS - BCN

TYSBCN

Knoxville McGhee Tyson

Thu 5/7

9:40 pm-12:10 pm

2 stops56h 30m

$348

KnoxvilleBarcelona

TYS - BCN

TYSBCN

Knoxville McGhee Tyson

Mon 5/4

1:15 pm-1:15 am

3 stops54h 00m

$385

KnoxvilleBarcelona

TYS - BCN

TYSBCN

Knoxville McGhee Tyson

Wed 5/6

8:30 am-9:20 am

2 stops18h 50m

$408

KnoxvilleBarcelona

TYS - BCN

TYSBCN

Knoxville McGhee Tyson

Sun 5/3

6:00 am-4:15 pm

3 stops28h 15m

$419

KnoxvilleBarcelona

TYS - BCN

TYSBCN

Knoxville McGhee Tyson

Wed 5/6

4:25 pm-12:10 pm

2 stops37h 45m

$427

KnoxvilleBarcelona

TYS - BCN

TYSBCN

Knoxville McGhee Tyson

Fri 5/8

7:10 am-9:25 pm

3 stops32h 15m

$428

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/13

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 $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?

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 February 17, 2026.
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
8,205 reviews

Entertainment

7.8

Overall

7.9

Boarding

8.1

Comfort

7.9

Crew

8.5

Food

7.2

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
8,205 reviews
Delta
7.9
Good
8,205 reviews

Entertainment

7.8

Overall

7.9

Boarding

8.1

Comfort

7.9

Crew

8.5

Food

7.2

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
9,308 reviews
Delta
7.9
Good
8,205 reviews

Entertainment

7.8

Overall

7.9

Boarding

8.1

Comfort

7.9

Crew

8.5

Food

7.2

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
11,294 reviews
Delta
7.9
Good
8,205 reviews

Entertainment

7.8

Overall

7.9

Boarding

8.1

Comfort

7.9

Crew

8.5

Food

7.2

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
7,751 reviews
Delta
7.9
Good
8,205 reviews

Entertainment

7.8

Overall

7.9

Boarding

8.1

Comfort

7.9

Crew

8.5

Food

7.2

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 fly from Knoxville to Barcelona in about 24h 15m. The time it takes to get you to your destination can typically vary by up to . There are 4465 mi between Knoxville and Barcelona.

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

    According to our current data, British Airways ($432), Delta ($433), and American Airlines ($512) offers the cheapest pricing from Knoxville to Barcelona. British Airways is currently priced 51% 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 $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

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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
Knoxville 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

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 February 17, 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$432Average$671FlexibilityNo cancel feeOn-time70%
DeltaCheapest$433Average$1,237FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$512Average$993FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$664Average$864FlexibilityNo cancel feeOn-time69%

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