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$762+ Cheap flights from Knoxville (TYS) to Barcelona

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/6. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — BCN
Jun 4 — Jun 111
Thu 6/4
Thu 6/11
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 May 5, 2026.

This FlightHub deal was found by Cheapflights users on 5/2. 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 11/65:57 pm
TYS
-
BCN
2 stops18h 23m
Scandinavian Airlines
Sat 11/147:10 pm
BCN
-
TYS
2 stops32h 35m
Scandinavian Airlines
Deal found 5/2$762
This American Airlines deal was found by Cheapflights users on 5/5. 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 10/281:40 pm
TYS
-
BCN
1 stop14h 10m
American Airlines
Fri 11/63:05 pm
BCN
-
TYS
1 stop14h 40m
American Airlines
Deal found 5/5$771
This Iberia deal was found by Cheapflights users on 5/4. 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.
Wed 10/286:54 pm
TYS
-
BCN
2 stops17h 16m
Multiple Airlines
Fri 11/63:05 pm
BCN
-
TYS
1 stop14h 40m
Multiple Airlines
Deal found 5/4$779
This Delta deal was found by Cheapflights users on 5/1. 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 10/287:20 pm
TYS
-
BCN
2 stops16h 10m
Delta
Fri 11/610:30 am
BCN
-
TYS
2 stops19h 16m
Delta
Deal found 5/1$783
This British Airways deal was found by Cheapflights users on 5/1. 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.
Wed 9/236:30 pm
TYS
-
BCN
2 stops15h 25m
British Airways
Fri 10/210:15 am
BCN
-
TYS
2 stops17h 00m
British Airways
Deal found 5/1$801
This Gotogate deal was found by Cheapflights users on 5/3. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/305:04 pm
TYS
-
BCN
2 stops23h 36m
British Airways
Mon 10/127:20 pm
BCN
-
TYS
2 stops31h 44m
British Airways
Deal found 5/3$809
This KLM deal was found by Cheapflights users on 5/3. 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.
Sat 10/1012:00 pm
TYS
-
BCN
2 stops14h 45m
KLM
Fri 10/1611:00 am
BCN
-
TYS
1 stop34h 05m
KLM
Deal found 5/3$829
This United Airlines deal was found by Cheapflights users on 5/1. 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 9/235:57 pm
TYS
-
BCN
1 stop13h 18m
United Airlines
Fri 10/23:15 pm
BCN
-
TYS
1 stop15h 15m
United Airlines
Deal found 5/1$838

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 May 5, 2026.

Round-trip from

$771
(American Airlines)

Popular in

June

Cheapest in

January

Average price

$1,387
From Knoxville McGhee Tyson to Barcelona
Search Deals
Highest demand for flights based on searches. 29% potential increase in price ($377 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($51 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
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 May 5, 2026.
Use the filters below to find and compare flights from Knoxville to Barcelona that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

KnoxvilleBarcelona

TYS - BCN

TYSBCN

Knoxville McGhee Tyson

Wed 10/28

5:57 pm-4:30 pm

2 stops17h 33m

Barcelona-El Prat

Fri 11/6

10:30 am-11:46 pm

2 stops19h 16m

$783

KnoxvilleBarcelona

TYS - BCN

TYSBCN

Knoxville McGhee Tyson

Wed 9/23

6:19 pm-2:15 pm

2 stops13h 56m

Barcelona-El Prat

Fri 10/2

10:15 am-9:15 pm

2 stops17h 00m

$801

KnoxvilleBarcelona

TYS - BCN

TYSBCN

Knoxville McGhee Tyson

Sat 10/10

12:00 pm-8:45 am

2 stops14h 45m

Barcelona-El Prat

Fri 10/16

11:00 am-3:05 pm

1 stop34h 05m

$829
Quickest round-trip

KnoxvilleBarcelona

TYS - BCN

TYSBCN

Knoxville McGhee Tyson

Wed 9/23

5:57 pm-1:15 pm

1 stop13h 18m

Barcelona-El Prat

Fri 10/2

3:15 pm-12:30 am

1 stop15h 15m

$838

KnoxvilleBarcelona

TYS - BCN

TYSBCN

Knoxville McGhee Tyson

Tue 9/1

5:57 pm-9:20 am

2 stops33h 23m

Barcelona-El Prat

Fri 9/11

12:15 pm-2:37 pm

2 stops32h 22m

$870

KnoxvilleBarcelona

TYS - BCN

TYSBCN

Knoxville McGhee Tyson

Sat 10/10

8:47 am-8:45 am

2 stops17h 58m

Barcelona-El Prat

Fri 10/16

11:00 am-9:12 am

1 stop28h 12m

$896

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/2

Sorted by cheapest first

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, March is the cheapest month in which you can book a flight from Knoxville to Barcelona (average of $432). Flying from Knoxville to Barcelona in June is currently the most expensive (average of $1,230). 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 May 5, 2026.
Read reviews from past customers who have flown United Airlines,American Airlines, andBritish Airways 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.
United Airlines
7.4
Good
9,683 reviews

Boarding

7.7

Crew

8.1

Food

6.6

Entertainment

7.1

Overall

7.4

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
United Airlines
7.4
Good
9,683 reviews
United Airlines
7.4
Good
9,683 reviews

Boarding

7.7

Crew

8.1

Food

6.6

Entertainment

7.1

Overall

7.4

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
American Airlines
7.1
Good
11,668 reviews
United Airlines
7.4
Good
9,683 reviews

Boarding

7.7

Crew

8.1

Food

6.6

Entertainment

7.1

Overall

7.4

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
British Airways
6.7
Okay
7,945 reviews
United Airlines
7.4
Good
9,683 reviews

Boarding

7.7

Crew

8.1

Food

6.6

Entertainment

7.1

Overall

7.4

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.

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. 3 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 and British Airways fly from Knoxville to Barcelona in about 13h 56m. The time it takes to get you to your destination can typically vary by up to 3h 37m. 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, British Airways ($432), American Airlines ($512), and United Airlines ($664) 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, March is the cheapest month in which you can book a flight from Knoxville to Barcelona (average of $432). Flying from Knoxville to Barcelona in June is currently the most expensive (average of $1,230). 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
Memphis to Barcelona-El Prat flights
Knoxville to Barcelona-El Prat flights

Top 3 airlines flying from Knoxville to Barcelona

Discover the top 3 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 May 5, 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$432Average$671FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$512Average$880FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$664Average$816FlexibilityNo cancel feeOn-time69%

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