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$399+ 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 11/19. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — BCN
Aug 26 — Sep 21
Tue 8/26
Tue 9/2
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 August 21, 2025.

Round-trip from

$461
(United Airlines)

One-way from

$399
(FlightHub)

Popular in

June

Cheapest in

October

Average price

$1,043
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. 23% potential increase in price ($315 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 August 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 August 21, 2025.

This United Airlines deal was found by Cheapflights users on 8/21. 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.
Wed 11/128:26 amTYS - BCN
1 stop22h 39mUnited Airlines
Tue 11/251:35 pmBCN - TYS
2 stops51h 13mUnited Airlines
Deal found 8/21$461
This Delta deal was found by Cheapflights users on 8/21. 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.
Wed 11/1212:00 pmTYS - BCN
2 stops18h 15mDelta
Tue 11/2510:15 amBCN - TYS
2 stops28h 56mDelta
Deal found 8/21$470
This Booking.com deal was found by Cheapflights users on 8/20. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/129:50 amTYS - BCN
2 stops17h 45mAir Canada
Wed 11/191:35 pmBCN - TYS
2 stops16h 24mAir Canada
Deal found 8/20$475
This Delta deal was found by Cheapflights users on 8/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/43:59 pmTYS - BCN
2 stops19h 06mDelta
Thu 11/136:00 amBCN - TYS
2 stops18h 13mDelta
Deal found 8/20$480
This Finnair deal was found by Cheapflights users on 8/20. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/126:00 amTYS - BCN
1 stop19h 05mMultiple Airlines
Wed 11/1911:00 amBCN - TYS
1 stop18h 45mMultiple Airlines
Deal found 8/20$484
This Finnair deal was found by Cheapflights users on 8/20. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/45:10 amTYS - BCN
2 stops19h 55mMultiple Airlines
Thu 11/1311:00 amBCN - TYS
1 stop18h 45mMultiple Airlines
Deal found 8/20$488
This FlightHub deal was found by Cheapflights users on 8/21. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/56:10 pmTYS - BCN
2 stops18h 10mScandinavian Airlines
Sun 12/77:10 pmBCN - TYS
2 stops32h 33mScandinavian Airlines
Deal found 8/21$603
This Expedia deal was found by Cheapflights users on 8/20. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/196:10 pmTYS - BCN
2 stops41h 25mBritish Airways
Tue 9/309:20 pmBCN - TYS
2 stops29h 54mBritish Airways
Deal found 8/20$668
This Finnair deal was found by Cheapflights users on 8/21. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/510:57 amTYS - BCN
1 stop16h 03mMultiple Airlines
Sun 12/711:00 amBCN - TYS
1 stop18h 20mMultiple Airlines
Deal found 8/21$683
This British Airways deal was found by Cheapflights users on 8/21. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/511:45 amTYS - BCN
2 stops17h 50mBritish Airways
Sun 12/712:30 pmBCN - TYS
1 stop14h 10mBritish Airways
Deal found 8/21$687

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 August 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

Wed 11/12

8:26 am-1:05 pm

1 stop22h 39m

Barcelona-El Prat

Tue 11/25

1:35 pm-10:48 am

2 stops51h 13m

$461

KnoxvilleBarcelona

TYS - BCN

TYSBCN

Knoxville McGhee Tyson

Wed 11/12

12:00 pm-12:15 pm

2 stops18h 15m

Barcelona-El Prat

Tue 11/25

10:15 am-9:11 am

2 stops28h 56m

$470

KnoxvilleBarcelona

TYS - BCN

TYSBCN

Knoxville McGhee Tyson

Wed 11/12

9:50 am-9:35 am

2 stops17h 45m

Barcelona-El Prat

Wed 11/19

1:35 pm-11:59 pm

2 stops16h 24m

$475

KnoxvilleBarcelona

TYS - BCN

TYSBCN

Knoxville McGhee Tyson

Tue 11/4

3:59 pm-5:05 pm

2 stops19h 06m

Barcelona-El Prat

Thu 11/13

6:00 am-6:13 pm

2 stops18h 13m

$480

KnoxvilleBarcelona

TYS - BCN

TYSBCN

Knoxville McGhee Tyson

Wed 11/12

6:00 am-7:05 am

1 stop19h 05m

Barcelona-El Prat

Wed 11/19

11:00 am-11:45 pm

1 stop18h 45m

$484

KnoxvilleBarcelona

TYS - BCN

TYSBCN

Knoxville McGhee Tyson

Wed 11/12

9:50 am-9:35 am

2 stops17h 45m

Barcelona-El Prat

Wed 11/19

10:30 am-8:20 pm

1 stop15h 50m

$484

KnoxvilleBarcelona

TYS - BCN

TYSBCN

Knoxville McGhee Tyson

Wed 11/12

3:40 pm-9:00 am

1 stop11h 20m

Barcelona-El Prat

Tue 11/25

11:00 am-11:45 pm

1 stop18h 45m

$484

KnoxvilleBarcelona

TYS - BCN

TYSBCN

Knoxville McGhee Tyson

Tue 11/4

6:00 am-7:05 am

1 stop19h 05m

Barcelona-El Prat

Thu 11/13

11:00 am-11:45 pm

1 stop18h 45m

$484

KnoxvilleBarcelona

TYS - BCN

TYSBCN

Knoxville McGhee Tyson

Wed 11/19

5:45 am-9:35 am

2 stops21h 50m

$399

KnoxvilleBarcelona

TYS - BCN

TYSBCN

Knoxville McGhee Tyson

Wed 11/19

9:50 am-8:20 am

1 stop16h 30m

$419

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/20

Showing 1-10 of 13 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 August 8, 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 $1,057). 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 August 21, 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.

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 August 21, 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
7,981 reviews

Boarding

8.2

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

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
7,981 reviews
Delta
8.0
Very good
7,981 reviews

Boarding

8.2

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

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
1,388 reviews
Delta
8.0
Very good
7,981 reviews

Boarding

8.2

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

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
8,930 reviews
Delta
8.0
Very good
7,981 reviews

Boarding

8.2

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

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
7,981 reviews

Boarding

8.2

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

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!
British Airways
6.7
Okay
7,291 reviews
Delta
8.0
Very good
7,981 reviews

Boarding

8.2

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

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.

  • How long is the flight from Knoxville to Barcelona?

    Airlines like United Airlines, Delta, and Air Canada fly from Knoxville to Barcelona in about 17h 45m. The time it takes to get you to your destination can typically vary by up to 4h 54m. 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, KLM ($530), British Airways ($620), and American Airlines ($631) offers the cheapest pricing from Knoxville to Barcelona. KLM is currently priced 48% 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 Air Canada. According to our data, you can fly for as low as $399. Users have also found prices from $419 and $468 on United Airlines and American Airlines, 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 $1,057). 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 August 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$530Average$837FlexibilityNo cancel feeOn-time75%
British AirwaysCheapest$620Average$762FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$631Average$1,009FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$687Average$1,047FlexibilityNo cancel feeOn-time69%
DeltaCheapest$721Average$1,237FlexibilityNo cancel feeOn-timeN/A

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