HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Barcelona

$418+ 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
May 12 — May 191
Mon 5/12
Mon 5/19
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Knoxville to Barcelona with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 May 7, 2025.

Round-trip from

$567
(Delta)

One-way from

$418
(United Airlines)

Popular in

December

Cheapest in

November

Average price

$1,387
From Knoxville McGhee Tyson to Barcelona
Search Deals
One-way flight from Knoxville McGhee Tyson to Barcelona
Search Deals
High demand for flights, 1% potential price rise
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($43 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2025
Search Deals

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 May 7, 2025.

This Delta deal was found by Cheapflights users on 5/6. 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 9/1012:00 pmTYS - BCN
2 stops17h 55mDelta
Sun 9/219:00 amBCN - TYS
2 stops20h 46mDelta
Deal found 5/6$567
This United Airlines deal was found by Cheapflights users on 5/7. 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 11/410:35 amTYS - BCN
1 stop20h 30mUnited Airlines
Thu 11/133:05 pmBCN - TYS
1 stop13h 18mUnited Airlines
Deal found 5/7$582
This Air Canada deal was found by Cheapflights users on 5/7. 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.
Thu 5/82:20 pmTYS - BCN
3 stops18h 35mMultiple Airlines
Wed 5/211:15 pmBCN - TYS
2 stops15h 30mMultiple Airlines
Deal found 5/7$630
This Air Canada deal was found by Cheapflights users on 5/7. 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.
Thu 5/82:20 pmTYS - BCN
3 stops18h 35mAir Canada
Wed 5/2112:15 pmBCN - TYS
3 stops28h 12mAir Canada
Deal found 5/7$653
This American Airlines deal was found by Cheapflights users on 5/6. 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 9/1011:00 amTYS - BCN
1 stop16h 05mAmerican Airlines
Sun 9/211:10 pmBCN - TYS
1 stop16h 15mAmerican Airlines
Deal found 5/6$712
This Gurufare deal was found by Cheapflights users on 5/7. 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 6/276:26 pmTYS - BCN
1 stop32h 39mBritish Airways
Sat 7/52:00 pmBCN - TYS
1 stop12h 55mBritish Airways
Deal found 5/7$1,313

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 7, 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 9/10

12:00 pm-11:55 am

2 stops17h 55m

Barcelona-El Prat

Sun 9/21

9:00 am-11:46 pm

2 stops20h 46m

$567

KnoxvilleBarcelona

TYS - BCN

TYSBCN

Knoxville McGhee Tyson

Tue 6/3

7:25 am-7:50 am

2 stops18h 25m

Barcelona-El Prat

Tue 6/10

12:10 pm-11:59 pm

2 stops41h 49m

$675

KnoxvilleBarcelona

TYS - BCN

TYSBCN

Knoxville McGhee Tyson

Wed 9/10

11:00 am-9:05 am

1 stop16h 05m

Barcelona-El Prat

Sun 9/21

1:10 pm-11:25 pm

1 stop16h 15m

$712

KnoxvilleBarcelona

TYS - BCN

TYSBCN

Knoxville McGhee Tyson

Tue 7/15

9:55 am-9:20 am

2 stops17h 25m

Barcelona-El Prat

Sun 7/20

1:15 pm-2:58 pm

2 stops31h 43m

$773

KnoxvilleBarcelona

TYS - BCN

TYSBCN

Knoxville McGhee Tyson

Tue 6/3

9:55 am-7:50 am

3 stops15h 55m

Barcelona-El Prat

Tue 6/10

12:10 pm-10:40 pm

2 stops16h 30m

$803

KnoxvilleBarcelona

TYS - BCN

TYSBCN

Knoxville McGhee Tyson

Fri 6/27

6:26 pm-9:05 am

1 stop32h 39m

Barcelona-El Prat

Sat 7/5

2:00 pm-8:55 pm

1 stop12h 55m

$1,313

KnoxvilleBarcelona

TYS - BCN

TYSBCN

Knoxville McGhee Tyson

Tue 9/23

10:05 am-7:15 am

2 stops15h 10m

$418

KnoxvilleBarcelona

TYS - BCN

TYSBCN

Knoxville McGhee Tyson

Tue 9/23

5:45 am-7:50 am

3 stops20h 05m

$425

KnoxvilleBarcelona

TYS - BCN

TYSBCN

Knoxville McGhee Tyson

Tue 9/23

1:01 pm-10:30 am

1 stop15h 29m

$468

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/7

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 May 2, 2025.

To ensure you get the cheapest price possible for a flight from Knoxville to Barcelona, you should look to book at least 10 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 $1,065). 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 May 7, 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.

Rainfall in Barcelona by month

Plan your trip to Barcelona by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Barcelona ranges from 0.8 - 3.6 inches per month. October is typically the wettest month, when rainfall can reach 3.6 in. July is typically the driest time to visit Barcelona when rainfall is around 0.8 in.

Temperature in Barcelona by month

Plan your trip to Barcelona by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Barcelona, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 75.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 48.2 F).

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 7, 2025.
Delta
8.0
Very good
7,944 reviews

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Overall

8.0

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
7,944 reviews
Delta
8.0
Very good
7,944 reviews

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Overall

8.0

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
8,710 reviews
Delta
8.0
Very good
7,944 reviews

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Overall

8.0

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
7,944 reviews

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Overall

8.0

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
7.0
Good
9,284 reviews
Delta
8.0
Very good
7,944 reviews

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Overall

8.0

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!
British Airways
6.6
Okay
6,870 reviews
Delta
8.0
Very good
7,944 reviews

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Overall

8.0

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, Delta ($567), United Airlines ($675), and American Airlines ($712) offers the cheapest pricing from Knoxville to Barcelona. Delta is currently priced 46% 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 United Airlines. According to our data, you can fly for as low as $418. Users have also found prices from $425 and $468 on Air Canada 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 $1,065). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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
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 May 7, 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$530Average$828FlexibilityNo cancel feeOn-time75%
DeltaCheapest$530Average$1,230FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$620Average$908FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$677Average$1,144FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$695Average$1,105FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.