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$468+ 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 9/23. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — BCN
Jul 5 — Jul 121
Sat 7/5
Sat 7/12
1 adult, Economy
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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 June 30, 2025.

Round-trip from

$638
(British Airways)

One-way from

$468
(KLM)

Popular in

June

Cheapest in

February

Average price

$1,579
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. 21% potential increase in price ($285 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($50 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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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 June 30, 2025.

This United Airlines deal was found by Cheapflights users on 6/29. 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 11/45:45 amTYS - BCN
2 stops21h 50mUnited Airlines
Thu 11/1310:30 amBCN - TYS
1 stop15h 50mUnited Airlines
Deal found 6/29$583
This American Airlines deal was found by Cheapflights users on 6/28. 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 11/44:10 pmTYS - BCN
2 stops15h 30mAmerican Airlines
Thu 11/1310:35 amBCN - TYS
2 stops16h 01mAmerican Airlines
Deal found 6/28$603
This Finnair deal was found by Cheapflights users on 6/30. 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 11/47:05 amTYS - BCN
1 stop19h 35mMultiple Airlines
Thu 11/131:30 pmBCN - TYS
1 stop13h 06mMultiple Airlines
Deal found 6/30$608
This British Airways deal was found by Cheapflights users on 6/28. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1210:55 amTYS - BCN
1 stop16h 10mBritish Airways
Tue 8/192:00 pmBCN - TYS
1 stop12h 55mBritish Airways
Deal found 6/28$638
This Air Canada deal was found by Cheapflights users on 6/29. 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.
Wed 9/105:45 amTYS - BCN
3 stops20h 05mAir Canada
Sun 9/216:50 amBCN - TYS
3 stops20h 06mAir Canada
Deal found 6/29$736
This Gurufare deal was found by Cheapflights users on 6/28. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/252:30 pmTYS - BCN
1 stop11h 50mLufthansa
Fri 8/13:15 pmBCN - TYS
1 stop13h 22mLufthansa
Deal found 6/28$1,280

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 June 30, 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

Tue 8/12

10:55 am-9:05 am

1 stop16h 10m

Barcelona-El Prat

Tue 8/19

2:00 pm-8:55 pm

1 stop12h 55m

$638

KnoxvilleBarcelona

TYS - BCN

TYSBCN

Knoxville McGhee Tyson

Tue 8/12

12:03 pm-9:05 am

2 stops15h 02m

Barcelona-El Prat

Tue 8/19

12:50 pm-10:59 pm

2 stops16h 09m

$642

KnoxvilleBarcelona

TYS - BCN

TYSBCN

Knoxville McGhee Tyson

Thu 8/14

7:00 am-7:50 am

2 stops18h 50m

Barcelona-El Prat

Thu 8/21

12:10 pm-5:00 pm

2 stops34h 50m

$690

KnoxvilleBarcelona

TYS - BCN

TYSBCN

Knoxville McGhee Tyson

Wed 9/10

5:45 am-7:50 am

3 stops20h 05m

Barcelona-El Prat

Sun 9/21

6:50 am-8:56 pm

3 stops20h 06m

$736

KnoxvilleBarcelona

TYS - BCN

TYSBCN

Knoxville McGhee Tyson

Thu 8/14

9:30 am-9:50 pm

2 stops30h 20m

Barcelona-El Prat

Thu 8/21

7:20 am-5:38 pm

3 stops40h 18m

$1,154

KnoxvilleBarcelona

TYS - BCN

TYSBCN

Knoxville McGhee Tyson

Fri 7/25

2:30 pm-8:20 am

1 stop11h 50m

Barcelona-El Prat

Fri 8/1

3:15 pm-10:37 pm

1 stop13h 22m

$1,280

KnoxvilleBarcelona

TYS - BCN

TYSBCN

Knoxville McGhee Tyson

Fri 7/4

7:00 am-6:00 am

2 stops17h 00m

Barcelona-El Prat

Mon 7/7

9:00 am-10:02 pm

2 stops19h 02m

$2,212

KnoxvilleBarcelona

TYS - BCN

TYSBCN

Knoxville McGhee Tyson

Tue 9/23

1:52 pm-9:20 am

1 stop13h 28m

$468

KnoxvilleBarcelona

TYS - BCN

TYSBCN

Knoxville McGhee Tyson

Tue 9/23

9:55 am-7:50 am

3 stops15h 55m

$475

KnoxvilleBarcelona

TYS - BCN

TYSBCN

Knoxville McGhee Tyson

Fri 9/19

2:30 pm-8:20 am

1 stop11h 50m

$1,591

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/30

Showing 1-10 of 11 results
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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

How far ahead should I book a flight from Knoxville to Barcelona?

Use this chart to determine the optimal time to book a round-trip flight from Knoxville to Barcelona. Price data was last updated on June 27, 2025.

To ensure you get the cheapest price possible for a flight from Knoxville to Barcelona, you should look to book at least 14 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, January is the cheapest month in which you can book a flight from Knoxville to Barcelona (average of $523). Flying from Knoxville to Barcelona in June is currently the most expensive (average of $1,059). 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 June 30, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 19% 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 June 30, 2025.
Read reviews from past customers who have flown Delta, KLM, and United 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
8.0
Very good
7,973 reviews

Food

7.3

Crew

8.5

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,973 reviews
Delta
8.0
Very good
7,973 reviews

Food

7.3

Crew

8.5

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,365 reviews
Delta
8.0
Very good
7,973 reviews

Food

7.3

Crew

8.5

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,852 reviews
Delta
8.0
Very good
7,973 reviews

Food

7.3

Crew

8.5

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,973 reviews

Food

7.3

Crew

8.5

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air Canada
7.1
Good
9,654 reviews
Delta
8.0
Very good
7,973 reviews

Food

7.3

Crew

8.5

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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. 5 airlines have flights to Barcelona from Knoxville McGhee Tyson on a regular basis.

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

    According to our current data, British Airways ($638), American Airlines ($642), and United Airlines ($690) offers the cheapest pricing from Knoxville to Barcelona. British Airways is currently priced 38% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Knoxville to Barcelona one-way?

    For one-way options, check prices for KLM. According to our data, you can fly for as low as $468. Users have also found prices from $475 and $1,591 on Air Canada and Lufthansa, respectively.

  • 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, January is the cheapest month in which you can book a flight from Knoxville to Barcelona (average of $523). Flying from Knoxville to Barcelona in June is currently the most expensive (average of $1,059). 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 5 airlines flying from Knoxville to Barcelona

Discover the top 5 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 June 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$530Average$828FlexibilityNo cancel feeOn-time75%
DeltaCheapest$530Average$1,205FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$620Average$1,019FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$687Average$1,040FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$690Average$1,105FlexibilityNo cancel feeOn-time71%

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