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Cheap Flights from Knoxville (TYS) to Barcelona (BCN)

Compare Knoxville to Barcelona flight deals

Find the cheapest month or even day of the year to fly to Barcelona

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Flight deals from Knoxville to Barcelona

Looking for a cheap last-minute deal or the best return flight from Knoxville Airport to Barcelona Airport? If you want to travel next month, return fares start from $1,434. Find the lowest prices on one-way and return tickets right here.
Barcelona.$1,094 per passenger.Departing Tue, 24 Nov, returning Wed, 9 Dec.Return flight with United.Outbound indirect flight with United, departs from Knoxville on Tue, 24 Nov, arriving in Barcelona.Inbound indirect flight with United, departs from Barcelona on Wed, 9 Dec, arriving in Knoxville.Price includes taxes and charges.From $1,094, select.
Barcelona.$1,094 per passenger.Departing Wed, 21 Oct, returning Wed, 28 Oct.Return flight with Iberia.Outbound indirect flight with Iberia, departs from Knoxville on Wed, 21 Oct, arriving in Barcelona.Inbound indirect flight with Iberia, departs from Barcelona on Wed, 28 Oct, arriving in Knoxville.Price includes taxes and charges.From $1,094, select.
Barcelona.$1,094 per passenger.Departing Wed, 4 Nov, returning Thu, 19 Nov.Return flight with United.Outbound indirect flight with United, departs from Knoxville on Wed, 4 Nov, arriving in Barcelona.Inbound indirect flight with United, departs from Barcelona on Thu, 19 Nov, arriving in Knoxville.Price includes taxes and charges.From $1,094, select.
Barcelona.$1,151 per passenger.Departing Thu, 7 Jan, returning Thu, 28 Jan.Return flight with United.Outbound indirect flight with United, departs from Knoxville on Thu, 7 Jan, arriving in Barcelona.Inbound indirect flight with United, departs from Barcelona on Thu, 28 Jan, arriving in Knoxville.Price includes taxes and charges.From $1,151, select.
Barcelona.$1,153 per passenger.Departing Wed, 30 Sep, returning Tue, 6 Oct.Return flight with United.Outbound indirect flight with United, departs from Knoxville on Wed, 30 Sep, arriving in Barcelona.Inbound indirect flight with United, departs from Barcelona on Tue, 6 Oct, arriving in Knoxville.Price includes taxes and charges.From $1,153, select.
Barcelona.$1,165 per passenger.Departing Sun, 25 Apr, returning Sat, 1 May.Return flight with Iberia.Outbound indirect flight with Iberia, departs from Knoxville on Sun, 25 Apr, arriving in Barcelona.Inbound indirect flight with Iberia, departs from Barcelona on Sat, 1 May, arriving in Knoxville.Price includes taxes and charges.From $1,165, select.
Barcelona.$1,178 per passenger.Departing Fri, 25 Dec, returning Thu, 14 Jan.Return flight with United.Outbound indirect flight with United, departs from Knoxville on Fri, 25 Dec, arriving in Barcelona.Inbound indirect flight with United, departs from Barcelona on Thu, 14 Jan, arriving in Knoxville.Price includes taxes and charges.From $1,178, select.
Barcelona.$1,291 per passenger.Departing Thu, 17 Sep, returning Mon, 28 Sep.Return flight with United.Outbound indirect flight with United, departs from Knoxville on Thu, 17 Sep, arriving in Barcelona.Inbound indirect flight with United, departs from Barcelona on Mon, 28 Sep, arriving in Knoxville.Price includes taxes and charges.From $1,291, select.
Barcelona.$1,369 per passenger.Departing Fri, 7 May, returning Sun, 16 May.Return flight with Iberia.Outbound indirect flight with Iberia, departs from Knoxville on Fri, 7 May, arriving in Barcelona.Inbound indirect flight with Iberia, departs from Barcelona on Sun, 16 May, arriving in Knoxville.Price includes taxes and charges.From $1,369, select.
Barcelona.$1,370 per passenger.Departing Fri, 12 Mar, returning Sun, 21 Mar.Return flight with Air France and KLM.Outbound indirect flight with Air France, departs from Knoxville on Fri, 12 Mar, arriving in Barcelona.Inbound indirect flight with KLM, departs from Barcelona on Sun, 21 Mar, arriving in Knoxville.Price includes taxes and charges.From $1,370, select.
Barcelona.$1,434 per passenger.Departing Sun, 9 Aug, returning Tue, 25 Aug.Return flight with Iberia.Outbound indirect flight with Iberia, departs from Knoxville on Sun, 9 Aug, arriving in Barcelona.Inbound indirect flight with Iberia, departs from Barcelona on Tue, 25 Aug, arriving in Knoxville.Price includes taxes and charges.From $1,434, select.
Barcelona.$1,511 per passenger.Departing Tue, 25 May, returning Thu, 3 Jun.Return flight with Finnair.Outbound indirect flight with Finnair, departs from Knoxville on Tue, 25 May, arriving in Barcelona.Inbound indirect flight with Finnair, departs from Barcelona on Thu, 3 Jun, arriving in Knoxville.Price includes taxes and charges.From $1,511, select.
Barcelona.$1,765 per passenger.Departing Sat, 5 Jun, returning Sat, 12 Jun.Return flight with Iberia.Outbound indirect flight with Iberia, departs from Knoxville on Sat, 5 Jun, arriving in Barcelona.Inbound indirect flight with Iberia, departs from Barcelona on Sat, 12 Jun, arriving in Knoxville.Price includes taxes and charges.From $1,765, select.
Barcelona.$1,807 per passenger.Departing Thu, 23 Jul, returning Thu, 30 Jul.Return flight with United.Outbound indirect flight with United, departs from Knoxville on Thu, 23 Jul, arriving in Barcelona.Inbound indirect flight with United, departs from Barcelona on Thu, 30 Jul, arriving in Knoxville.Price includes taxes and charges.From $1,807, select.

Find the cheapest month to fly from Knoxville to Barcelona

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Knoxville to Barcelona flights are currently cheapest in October.
Jul
from $1,807
Aug
from $1,434
Sep
from $1,291
Oct
from $1,094
Nov
from $1,094
Dec
Find prices
Jan
from $1,151
Feb
Find prices
Mar
from $1,370
Apr
Find prices
May
from $1,369
Jun
from $1,765

Knoxville to Barcelona: Alternative routes

Compare routes from Knoxville to Barcelona below. You may find an airport to fly into that's cheaper, faster, or easier than Barcelona.

Barcelona

12km from central Barcelona
ClosestCheapest
from $1,094
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Girona

76km from central Barcelona
Search flights

Reus

88km from central Barcelona
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Knoxville to Barcelona: Flight information

The things to know before you go.
Cheapest flight found$1,094
Cheapest month to flyNovember

Finding cheap flights from Knoxville to Barcelona: Frequently asked questions

The best price we found for a return flight from Knoxville to Barcelona is $1,094. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Knoxville to Barcelona. But we found flights with one or more stops from $1,094.
As of July 2026, there are no flights flying from Knoxville to Barcelona.
The cheapest month to fly from Knoxville to Barcelona is usually November.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Knoxville Airport to Barcelona Airport on Tuesday, 24 November 2026.
No airlines currently offer direct flights between Knoxville Airport and Barcelona Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Barcelona but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Barcelona is around 40 days in advance, so don’t leave your flight to the last minute.

Currently, United offers the cheapest flight tickets to Barcelona.

Flying from Knoxville Airport (TYS) to Barcelona Airport (BCN): what you need to know

  • Barcelona's timezone is UTC+1, making Barcelona six hours ahead of Knoxville.

  • For a stress-free journey, turn up at the airport two hours ahead of international flights and one hour before domestic departures. This will give you plenty of time to catch your TYS to BCN flight.

  • Be prepared for longer lines in popular months such as October. Arriving up to four hours ahead of international flights and two hours for domestic departures is a smart move.

How to find the cheapest flights from Knoxville Airport (TYS) to Barcelona Airport (BCN)

  • $535 is the best price for a one-way Knoxville Airport to Barcelona Airport flight. Return flights start from $1,094. These prices may change based on demand.

  • It's a good idea to book in advance if you want to get cheap tickets from TYS to BCN. That's because flight prices are based on demand, which tends to increase closer to departure.

  • Getting cheap flights from Knoxville Airport to Barcelona Airport is more likely if you can be flexible with your travel dates. Use the 'Whole month' search function to see the best prices across each month and land a great deal.

  • Cut down on the time spent looking for cheap flights from TYS to BCN by creating a Price Alert. You'll receive an email or notification through the app when a new low fare is offered.

  • Tailor your trip using filters. Choose your preferred arrival and departure times, total journey duration and airlines. You can also sort results by 'Cheapest,' 'Best' or 'Fastest' flights from Knoxville Airport to Barcelona Airport.

Handy information about Knoxville Airport (TYS)

  • TYS is located at 2055 Alcoa Highway.

  • When it comes to Knoxville Airport's on-time performance, 76% of flights complete their journey on time.

  • Central Knoxville to Knoxville Airport is around 24 kilometres. Depending on traffic, it'll take you about 25 minutes to get there if you're driving, catching a taxi or ride-sharing.

  • Taking public transport? Expect a trip time of around 50 minutes.

  • Get your trip off to a relaxed start by staying near TYS. Whether you've booked an early flight from Knoxville Airport to Barcelona Airport or just don't like being rushed, these stays are perfect:

Arriving at Barcelona Airport (BCN)

When to fly to Barcelona Airport (BCN)

  • It's time to choose your travel dates for your flight from Knoxville Airport to Barcelona Airport. July is the busiest month to head to Barcelona. If you prefer a more laid-back vibe, go in March.

  • When booking your flight from Knoxville Airport to Barcelona Airport, think about the kind of weather you like. August is the warmest month in Barcelona, with the temperature ranging from 20ºC (68ºF) to 31ºC (88ºF).

  • Search for cheap tickets from TYS to BCN in January if you'd rather travel during cooler conditions. Temperatures are at their lowest then, ranging between 5ºC (41ºF) and 14ºC (57ºF) on average.

Explore more of Spain

  • Zaragoza is just one of the many places in Spain waiting to be discovered once you've seen the sights of Barcelona. Around 257 kilometres away to the west, top sights here include Plaza del Pilar, La Seo del Salvador and Basílica de Nuestra Senora del Pilar.

  • Around 402 kilometres west of Barcelona, Logroño is another essential stop in Spain. No visit is complete without checking out Bodegas Faustino, Bodegas Campo Viejo and Bodegas Valoria.

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Plan the rest of your trip from Knoxville to Barcelona

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.