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$335+ 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 1/19. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — BCN
Nov 22 — Nov 291
Sat 11/22
Sat 11/29
1 adult, Economy
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Find 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 October 23, 2025.

This Delta deal was found by Cheapflights users on 10/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/25:40 amTYS - BCN
2 stops20h 20mDelta
Sun 12/710:15 amBCN - TYS
2 stops29h 23mDelta
Deal found 10/21$488
This United Airlines deal was found by Cheapflights users on 10/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/212:16 pmTYS - BCN
2 stops35h 34mUnited Airlines
Tue 10/286:45 amBCN - TYS
2 stops22h 14mUnited Airlines
Deal found 10/20$490
This United Airlines deal was found by Cheapflights users on 10/23. 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 11/49:50 amTYS - BCN
2 stops20h 05mUnited Airlines
Thu 11/133:05 pmBCN - TYS
1 stop13h 50mUnited Airlines
Deal found 10/23$503
This Expedia deal was found by Cheapflights users on 10/21. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/210:54 amTYS - BCN
1 stop16h 06mBritish Airways
Sun 12/712:30 pmBCN - TYS
1 stop14h 28mBritish Airways
Deal found 10/21$509
This United Airlines deal was found by Cheapflights users on 10/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/29:40 amTYS - BCN
1 stop16h 40mUnited Airlines
Sun 12/76:50 amBCN - TYS
2 stops20h 14mUnited Airlines
Deal found 10/21$511
This United Airlines deal was found by Cheapflights users on 10/23. 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 12/75:54 pmTYS - BCN
2 stops32h 26mUnited Airlines
Sun 12/1410:30 amBCN - TYS
2 stops29h 43mUnited Airlines
Deal found 10/23$513
This United Airlines deal was found by Cheapflights users on 10/22. 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
Sat 12/131:55 pmBCN - TYS
2 stops33h 16mUnited Airlines
Deal found 10/22$531
This Delta deal was found by Cheapflights users on 10/22. 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.
Sat 12/67:30 amTYS - BCN
2 stops18h 30mDelta
Sat 12/1310:15 amBCN - TYS
2 stops17h 24mDelta
Deal found 10/22$537

Cheap 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 October 23, 2025.

Round-trip from

$444
(Delta)

One-way from

$335
(Mytrip)

Popular in

June

Cheapest in

February

Average price

$732
From Knoxville McGhee Tyson to Barcelona
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One-way flight from Knoxville McGhee Tyson to Barcelona
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Highest demand for flights based on searches. 25% potential increase in price ($339 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($55 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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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 October 23, 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

Wed 1/14

5:30 am-8:00 am

2 stops20h 30m

Barcelona-El Prat

Fri 1/23

10:55 am-9:13 am

1 stop28h 18m

$444

KnoxvilleBarcelona

TYS - BCN

TYSBCN

Knoxville McGhee Tyson

Tue 12/2

5:40 am-8:00 am

2 stops20h 20m

Barcelona-El Prat

Sun 12/7

10:15 am-9:38 am

2 stops29h 23m

$488

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-11:44 pm

1 stop18h 49m

$488

KnoxvilleBarcelona

TYS - BCN

TYSBCN

Knoxville McGhee Tyson

Sat 1/31

2:25 pm-9:35 am

2 stops37h 10m

Barcelona-El Prat

Wed 2/11

6:45 am-10:49 am

2 stops34h 04m

$490

KnoxvilleBarcelona

TYS - BCN

TYSBCN

Knoxville McGhee Tyson

Fri 2/13

12:18 pm-8:50 am

1 stop14h 32m

Barcelona-El Prat

Fri 2/20

10:40 am-11:40 pm

1 stop19h 00m

$501

KnoxvilleBarcelona

TYS - BCN

TYSBCN

Knoxville McGhee Tyson

Tue 11/4

9:50 am-11:55 am

2 stops20h 05m

Barcelona-El Prat

Thu 11/13

3:05 pm-10:55 pm

1 stop13h 50m

$503

KnoxvilleBarcelona

TYS - BCN

TYSBCN

Knoxville McGhee Tyson

Mon 1/19

7:15 am-4:50 pm

3 stops27h 35m

$353

KnoxvilleBarcelona

TYS - BCN

TYSBCN

Knoxville McGhee Tyson

Mon 1/19

7:20 pm-8:40 am

1 stop31h 20m

$479

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/23

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 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. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 23, 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.

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 October 23, 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
7,981 reviews

Entertainment

7.9

Food

7.3

Comfort

7.9

Overall

7.9

Crew

8.5

Boarding

8.2

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
7,981 reviews
Delta
7.9
Good
7,981 reviews

Entertainment

7.9

Food

7.3

Comfort

7.9

Overall

7.9

Crew

8.5

Boarding

8.2

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
8,991 reviews
Delta
7.9
Good
7,981 reviews

Entertainment

7.9

Food

7.3

Comfort

7.9

Overall

7.9

Crew

8.5

Boarding

8.2

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
11,028 reviews
Delta
7.9
Good
7,981 reviews

Entertainment

7.9

Food

7.3

Comfort

7.9

Overall

7.9

Crew

8.5

Boarding

8.2

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
7,467 reviews
Delta
7.9
Good
7,981 reviews

Entertainment

7.9

Food

7.3

Comfort

7.9

Overall

7.9

Crew

8.5

Boarding

8.2

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. 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 Delta fly from Knoxville to Barcelona in about 20h 30m. 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, American Airlines ($631), British Airways ($632), and United Airlines ($732) offers the cheapest pricing from Knoxville to Barcelona. American Airlines is currently priced 35% 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 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

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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 October 23, 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

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