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Cheap flights from Knoxville to Barcelona from $391

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Knoxville to Barcelona departing on 9/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Find the cheapest flights from Knoxville to Barcelona

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
5:45 am - 2:25 pm
TYS
-
BCN
26h 40m
2 stops
United Airlines Logo
1:15 pm - 4:59 pm
BCN
-
TYS
33h 44m
2 stops
$779United Airlines
Tue, Sep 1 - Fri, Sep 11
United Airlines Logo
5:57 pm - 8:00 am
TYS
-
BCN
32h 03m
2 stops
United Airlines Logo
1:15 pm - 4:59 pm
BCN
-
TYS
33h 44m
2 stops
$780United Airlines
Tue, Sep 1 - Fri, Sep 11
United Airlines Logo
7:19 pm - 3:35 pm
TYS
-
BCN
14h 16m
2 stops
United Airlines Logo
1:15 pm - 4:59 pm
BCN
-
TYS
33h 44m
2 stops
$791United Airlines
Tue, Sep 1 - Fri, Sep 11
United Airlines Logo
5:45 am - 2:25 pm
TYS
-
BCN
26h 40m
2 stops
United Airlines Logo
11:15 am - 11:57 pm
BCN
-
TYS
18h 42m
1 stop
$794United Airlines
Tue, Sep 1 - Fri, Sep 11
United Airlines Logo
5:57 pm - 8:00 am
TYS
-
BCN
32h 03m
2 stops
United Airlines Logo
11:15 am - 11:57 pm
BCN
-
TYS
18h 42m
1 stop
$795United Airlines
Tue, Sep 1 - Fri, Sep 11
United Airlines Logo
7:19 pm - 3:35 pm
TYS
-
BCN
14h 16m
2 stops
United Airlines Logo
11:15 am - 11:57 pm
BCN
-
TYS
18h 42m
1 stop
$806United Airlines
Tue, Sep 1 - Fri, Sep 11
British Airways Logo
5:57 pm - 2:45 pm
TYS
-
BCN
14h 48m
2 stops
British Airways Logo
7:40 am - 8:18 pm
BCN
-
TYS
18h 38m
2 stops
$817British Airways
Fri, Apr 24 - Fri, May 1
British Airways Logo
7:00 am - 6:45 am
TYS
-
BCN
17h 45m
1 stop
British Airways Logo
7:40 am - 8:18 pm
BCN
-
TYS
18h 38m
2 stops
$819British Airways
Fri, Apr 24 - Fri, May 1
British Airways Logo
5:37 pm - 3:40 pm
TYS
-
BCN
16h 03m
2 stops
British Airways Logo
7:40 am - 7:04 pm
BCN
-
TYS
17h 24m
2 stops
$828British Airways
Tue, Sep 1 - Fri, Sep 11
British Airways Logo
5:06 pm - 10:35 am
TYS
-
BCN
11h 29m
1 stop
British Airways Logo
12:50 pm - 9:57 pm
BCN
-
TYS
15h 07m
1 stop
$831British Airways
Wed, May 6 - Wed, May 13

British Airways flights from Knoxville to Barcelona-El Prat Airport

Our best British Airways deals on Knoxville to Barcelona-El Prat Airport flight tickets
British Airways
Apr 24
TYS5:57 pmKnoxville McGhee Tyson
14h 48m
2 stops
BCN2:45 pmBarcelona-El Prat
May 1
BCN7:40 amBarcelona-El Prat
18h 38m
2 stops
TYS8:18 pmKnoxville McGhee Tyson
$817
British Airways
Apr 24
TYS7:00 amKnoxville McGhee Tyson
17h 45m
1 stop
BCN6:45 amBarcelona-El Prat
May 1
BCN7:40 amBarcelona-El Prat
18h 38m
2 stops
TYS8:18 pmKnoxville McGhee Tyson
$819
British Airways
May 6
TYS5:06 pmKnoxville McGhee Tyson
11h 29m
1 stop
BCN10:35 amBarcelona-El Prat
May 13
BCN12:50 pmBarcelona-El Prat
15h 07m
1 stop
TYS9:57 pmKnoxville McGhee Tyson
$831

United Airlines flights from Knoxville to Barcelona-El Prat Airport

Our best United Airlines deals on Knoxville to Barcelona-El Prat Airport flight tickets
United Airlines
Apr 17
TYS5:53 pmKnoxville McGhee Tyson
33h 27m
2 stops
BCN9:20 amBarcelona-El Prat
May 1
BCN12:15 pmBarcelona-El Prat
34h 39m
2 stops
TYS4:54 pmKnoxville McGhee Tyson
$998
United Airlines
Apr 17
TYS5:53 pmKnoxville McGhee Tyson
13h 22m
1 stop
BCN1:15 pmBarcelona-El Prat
May 1
BCN11:15 amBarcelona-El Prat
14h 57m
1 stop
TYS8:12 pmKnoxville McGhee Tyson
$1,003
United Airlines
May 5
TYS9:50 amKnoxville McGhee Tyson
16h 30m
1 stop
BCN8:20 amBarcelona-El Prat
May 12
BCN12:15 pmBarcelona-El Prat
37h 57m
2 stops
TYS8:12 pmKnoxville McGhee Tyson
$1,040

momondo Fare Finder

 
Customize your flight search to find flights from Knoxville to Barcelona-El Prat Airport 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, momondo users made 832,500 searches. Data last updated March 26, 2026.
Use the filters below to find and compare flights from Knoxville to Barcelona-El Prat Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

KnoxvilleBarcelona

TYS - BCN

TYSBCN

Knoxville McGhee Tyson

Tue 9/1

5:45 am-2:25 pm

2 stops26h 40m

Barcelona-El Prat

Fri 9/11

1:15 pm-4:59 pm

2 stops33h 44m

$779

KnoxvilleBarcelona

TYS - BCN

TYSBCN

Knoxville McGhee Tyson

Tue 9/1

5:57 pm-8:00 am

2 stops32h 03m

Barcelona-El Prat

Fri 9/11

1:15 pm-4:59 pm

2 stops33h 44m

$780

KnoxvilleBarcelona

TYS - BCN

TYSBCN

Knoxville McGhee Tyson

Tue 9/1

7:19 pm-3:35 pm

2 stops14h 16m

Barcelona-El Prat

Fri 9/11

1:15 pm-4:59 pm

2 stops33h 44m

$791

KnoxvilleBarcelona

TYS - BCN

TYSBCN

Knoxville McGhee Tyson

Tue 9/1

5:45 am-2:25 pm

2 stops26h 40m

Barcelona-El Prat

Fri 9/11

11:15 am-11:57 pm

1 stop18h 42m

$794

KnoxvilleBarcelona

TYS - BCN

TYSBCN

Knoxville McGhee Tyson

Tue 9/1

5:57 pm-8:00 am

2 stops32h 03m

Barcelona-El Prat

Fri 9/11

11:15 am-11:57 pm

1 stop18h 42m

$795

KnoxvilleBarcelona

TYS - BCN

TYSBCN

Knoxville McGhee Tyson

Tue 9/1

7:19 pm-3:35 pm

2 stops14h 16m

Barcelona-El Prat

Fri 9/11

11:15 am-11:57 pm

1 stop18h 42m

$806

KnoxvilleBarcelona

TYS - BCN

TYSBCN

Knoxville McGhee Tyson

Fri 4/24

5:57 pm-2:45 pm

2 stops14h 48m

Barcelona-El Prat

Fri 5/1

7:40 am-8:18 pm

2 stops18h 38m

$817

KnoxvilleBarcelona

TYS - BCN

TYSBCN

Knoxville McGhee Tyson

Fri 4/24

7:00 am-6:45 am

1 stop17h 45m

Barcelona-El Prat

Fri 5/1

7:40 am-8:18 pm

2 stops18h 38m

$819

KnoxvilleBarcelona

TYS - BCN

TYSBCN

Knoxville McGhee Tyson

Tue 9/1

5:37 pm-3:40 pm

2 stops16h 03m

Barcelona-El Prat

Fri 9/11

7:40 am-7:04 pm

2 stops17h 24m

$828
Quickest round-trip

KnoxvilleBarcelona

TYS - BCN

TYSBCN

Knoxville McGhee Tyson

Wed 5/6

5:06 pm-10:35 am

1 stop11h 29m

Barcelona-El Prat

Wed 5/13

12:50 pm-9:57 pm

1 stop15h 07m

$831

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Barcelona from

How to get the cheapest flight ticket from Knoxville to Barcelona-El Prat Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Knoxville and Barcelona-El Prat Airport?

What is the cheapest month to fly to Barcelona-El Prat Airport?

The cheapest month to fly to Barcelona-El Prat Airport from Knoxville is in January. Flight prices, which tend to average around $483, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of January, then book flights to Barcelona-El Prat Airport from Knoxville during February instead. Flights to Barcelona-El Prat Airport in February, while not as cheap as those in January, still average around $484.

Can stopping save me money on Knoxville to Barcelona-El Prat Airport flights?

You could potentially save up to 9% on your flight if you consider stops on a Knoxville to Barcelona-El Prat Airport flight.

When to book flights from Knoxville to Barcelona-El Prat Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Knoxville to Barcelona-El Prat Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Knoxville to Barcelona-El Prat Airport (TYS to BCN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Knoxville to Barcelona-El Prat Airport

Fastest flight time

13h 56m

Direct flights

None
The fastest flight from Knoxville to Barcelona-El Prat Airport takes 13h 56m
There are no direct flights from Knoxville to Barcelona-El Prat Airport. There are no popular flight routes from Knoxville to Barcelona-El Prat Airport.
Search flight deals

  • How far is Knoxville McGhee Tyson to Barcelona-El Prat by plane?

    The straight-line distance from Knoxville McGhee Tyson to Barcelona-El Prat is 4456.0 mi. Flights usually cover this in 13h 56m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Knoxville McGhee Tyson Airport to Barcelona-El Prat Airport?

    Prices for flights from Knoxville McGhee Tyson Airport to Barcelona-El Prat Airport were last updated today.

  • How many operators does momondo search for flights from Knoxville McGhee Tyson Airport to Barcelona-El Prat Airport?

  • How old do you have to be to fly from Knoxville McGhee Tyson Airport to Barcelona-El Prat Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Knoxville McGhee Tyson Airport to Barcelona-El Prat Airport.

  • What documentation or ID do you need to fly to Barcelona-El Prat Airport?

    The necessary travel and health documents for your Barcelona-El Prat Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Knoxville to Barcelona-El Prat Airport?

Best airlines flying from Knoxville to Barcelona-El Prat Airport

Compare and see reviews for airlines that fly from Knoxville to Barcelona-El Prat Airport with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom $432Free CancellationRating
6.7
7,820 reviews
Search British Airways flights
DeltaPriceFrom $433Free CancellationRating
7.9
8,336 reviews
Search Delta flights
American AirlinesPriceFrom $512Free CancellationRating
7.1
11,496 reviews
Search American Airlines flights
United AirlinesPriceFrom $664Free CancellationRating
7.4
9,488 reviews
Search United Airlines flights

Traveling to a place near Barcelona?

Book flights to Barcelona if you plan to visit one of these locations
Lloret de Mar
Sitges
Salou
Tossa de Mar
Castelldefels
Tarragona
El Prat de Llobregat
L'Hospitalet de Llobregat
Calella
Santa Susanna
Cadaques
Cambrils
Badalona
Pals
Pineda de Mar
Empuriabrava
Roses
Calella de Palafrugell
Palafrugell
Malgrat de Mar

Why use momondo?

Why should I use momondo to find a flight deal from Knoxville to Barcelona?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Knoxville to Barcelona. momondo saves you time and could save you money on your trip.

Can I find flights from Knoxville to Barcelona with flexible booking policies on momondo?

All flight searches from Knoxville to Barcelona on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Knoxville to Barcelona?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Knoxville to Barcelona.

I’m not ready to book a flight from Knoxville to Barcelona right now. Can momondo alert me if prices change?

Price alerts on flights to Barcelona from Knoxville are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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