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Cheap flights from Knoxville to Barcelona from $419

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 9/5. 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

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Knoxville to Barcelona

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
1:55 pm - 9:00 amTYS  Knoxville McGhee Tyson-BCN Barcelona-El Prat
13h 05m1 stop Washington, D.C. Dulles Intl
United Airlines Logo
1:35 pm - 11:59 pmBCN  Barcelona-El Prat-TYS Knoxville McGhee Tyson
40h 24m2 stops Montreal Pierre Elliott Trudeau Intl Washington, D.C. Dulles Intl
$749United Airlines
Wed, Nov 11 - Wed, Nov 18
Air Canada Logo
9:45 am - 9:35 amTYS  Knoxville McGhee Tyson-BCN Barcelona-El Prat
17h 50m2 stops Washington, D.C. Dulles Intl Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
1:35 pm - 11:59 pmBCN  Barcelona-El Prat-TYS Knoxville McGhee Tyson
40h 24m2 stops Montreal Pierre Elliott Trudeau Intl Washington, D.C. Dulles Intl
$752Air Canada
Wed, Nov 11 - Wed, Nov 18
United Airlines Logo
9:58 am - 9:35 amTYS  Knoxville McGhee Tyson-BCN Barcelona-El Prat
17h 37m2 stops Newark Montreal Pierre Elliott Trudeau Intl
United Airlines Logo
1:35 pm - 11:59 pmBCN  Barcelona-El Prat-TYS Knoxville McGhee Tyson
40h 24m2 stops Montreal Pierre Elliott Trudeau Intl Washington, D.C. Dulles Intl
$752United Airlines
Wed, Nov 11 - Wed, Nov 18
American Airlines Logo
7:50 am - 9:10 amTYS  Knoxville McGhee Tyson-BCN Barcelona-El Prat
19h 20m1 stop Philadelphia
American Airlines Logo
12:00 pm - 8:49 pmBCN  Barcelona-El Prat-TYS Knoxville McGhee Tyson
14h 49m1 stop Philadelphia
$769American Airlines
Wed, Nov 11 - Wed, Nov 18
American Airlines Logo
12:42 pm - 9:10 amTYS  Knoxville McGhee Tyson-BCN Barcelona-El Prat
14h 28m1 stop Philadelphia
American Airlines Logo
3:05 pm - 12:52 amBCN  Barcelona-El Prat-TYS Knoxville McGhee Tyson
15h 47m1 stop Miami
$769American Airlines
Tue, Nov 10 - Thu, Nov 19
Lufthansa Logo
5:40 pm - 5:35 pmTYS  Knoxville McGhee Tyson-BCN Barcelona-El Prat
17h 55m2 stops Chicago O'Hare Intl Munich Franz Josef Strauss
Lufthansa Logo
6:50 am - 11:59 pmBCN  Barcelona-El Prat-TYS Knoxville McGhee Tyson
23h 09m2 stops Frankfurt am Main Washington, D.C. Dulles Intl
$769Lufthansa
Tue, Nov 10 - Thu, Nov 19
United Airlines Logo
10:43 am - 1:15 pmTYS  Knoxville McGhee Tyson-BCN Barcelona-El Prat
20h 32m1 stop Chicago O'Hare Intl
United Airlines Logo
10:30 am - 7:36 pmBCN  Barcelona-El Prat-TYS Knoxville McGhee Tyson
15h 06m1 stop Washington, D.C. Dulles Intl
$769United Airlines
Sun, Nov 15 - Tue, Nov 17
British Airways Logo
5:06 pm - 2:40 pmTYS  Knoxville McGhee Tyson-BCN Barcelona-El Prat
15h 34m2 stops Chicago O'Hare Intl London Heathrow
British Airways Logo
12:00 pm - 8:49 pmBCN  Barcelona-El Prat-TYS Knoxville McGhee Tyson
14h 49m1 stop Philadelphia
$771British Airways
Wed, Nov 11 - Wed, Nov 18
Lufthansa Logo
1:55 pm - 9:00 amTYS  Knoxville McGhee Tyson-BCN Barcelona-El Prat
13h 05m1 stop Washington, D.C. Dulles Intl
Lufthansa Logo
9:55 am - 11:59 pmBCN  Barcelona-El Prat-TYS Knoxville McGhee Tyson
20h 04m2 stops Frankfurt am Main Washington, D.C. Dulles Intl
$772Lufthansa
Tue, Nov 10 - Thu, Nov 19
British Airways Logo
12:39 pm - 7:35 amTYS  Knoxville McGhee Tyson-BCN Barcelona-El Prat
12h 56m1 stop Philadelphia
British Airways Logo
10:15 am - 10:42 pmBCN  Barcelona-El Prat-TYS Knoxville McGhee Tyson
18h 27m2 stops London Heathrow Chicago O'Hare Intl
$823British Airways
Wed, Sep 23 - Fri, Oct 2

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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
Nov 11
TYS1:55 pmKnoxville McGhee Tyson
13h 05m
1 stop
BCN9:00 amBarcelona-El Prat
Nov 18
BCN1:35 pmBarcelona-El Prat
40h 24m
2 stops
TYS11:59 pmKnoxville McGhee Tyson
$749
United Airlines
Nov 11
TYS9:58 amKnoxville McGhee Tyson
17h 37m
2 stops
BCN9:35 amBarcelona-El Prat
Nov 18
BCN1:35 pmBarcelona-El Prat
40h 24m
2 stops
TYS11:59 pmKnoxville McGhee Tyson
$752
United Airlines
Nov 15
TYS9:45 amKnoxville McGhee Tyson
17h 15m
1 stop
BCN9:00 amBarcelona-El Prat
Nov 17
BCN10:30 amBarcelona-El Prat
15h 06m
1 stop
TYS7:36 pmKnoxville McGhee Tyson
$769

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
Nov 11
TYS5:06 pmKnoxville McGhee Tyson
15h 34m
2 stops
BCN2:40 pmBarcelona-El Prat
Nov 18
BCN12:00 pmBarcelona-El Prat
14h 49m
1 stop
TYS8:49 pmKnoxville McGhee Tyson
$771
British Airways
Sep 23
TYS12:39 pmKnoxville McGhee Tyson
12h 56m
1 stop
BCN7:35 amBarcelona-El Prat
Oct 2
BCN10:15 amBarcelona-El Prat
18h 27m
2 stops
TYS10:42 pmKnoxville McGhee Tyson
$823
British Airways
Sep 23
TYS11:20 amKnoxville McGhee Tyson
18h 45m
2 stops
BCN12:05 pmBarcelona-El Prat
Oct 2
BCN7:40 amBarcelona-El Prat
18h 03m
2 stops
TYS7:43 pmKnoxville McGhee Tyson
$845

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 August 10, 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 Knoxville McGhee Tyson - BCN Barcelona-El Prat

TYSBCN

Knoxville McGhee Tyson

Wed 11/11

1:55 pm-9:00 am

1 stop13h 05m

Barcelona-El Prat

Wed 11/18

1:35 pm-11:59 pm

2 stops40h 24m

$749

KnoxvilleBarcelona

TYS Knoxville McGhee Tyson - BCN Barcelona-El Prat

TYSBCN

Knoxville McGhee Tyson

Wed 11/11

9:45 am-9:35 am

2 stops17h 50m

Barcelona-El Prat

Wed 11/18

1:35 pm-11:59 pm

2 stops40h 24m

$752

KnoxvilleBarcelona

TYS Knoxville McGhee Tyson - BCN Barcelona-El Prat

TYSBCN

Knoxville McGhee Tyson

Wed 11/11

9:58 am-9:35 am

2 stops17h 37m

Barcelona-El Prat

Wed 11/18

1:35 pm-11:59 pm

2 stops40h 24m

$752

KnoxvilleBarcelona

TYS Knoxville McGhee Tyson - BCN Barcelona-El Prat

TYSBCN

Knoxville McGhee Tyson

Wed 11/11

7:50 am-9:10 am

1 stop19h 20m

Barcelona-El Prat

Wed 11/18

12:00 pm-8:49 pm

1 stop14h 49m

$769
Quickest round-trip

KnoxvilleBarcelona

TYS Knoxville McGhee Tyson - BCN Barcelona-El Prat

TYSBCN

Knoxville McGhee Tyson

Tue 11/10

12:42 pm-9:10 am

1 stop14h 28m

Barcelona-El Prat

Thu 11/19

3:05 pm-12:52 am

1 stop15h 47m

$769

KnoxvilleBarcelona

TYS Knoxville McGhee Tyson - BCN Barcelona-El Prat

TYSBCN

Knoxville McGhee Tyson

Tue 11/10

5:40 pm-5:35 pm

2 stops17h 55m

Barcelona-El Prat

Thu 11/19

6:50 am-11:59 pm

2 stops23h 09m

$769

KnoxvilleBarcelona

TYS Knoxville McGhee Tyson - BCN Barcelona-El Prat

TYSBCN

Knoxville McGhee Tyson

Sun 11/15

10:43 am-1:15 pm

1 stop20h 32m

Barcelona-El Prat

Tue 11/17

10:30 am-7:36 pm

1 stop15h 06m

$769

KnoxvilleBarcelona

TYS Knoxville McGhee Tyson - BCN Barcelona-El Prat

TYSBCN

Knoxville McGhee Tyson

Wed 11/11

5:06 pm-2:40 pm

2 stops15h 34m

Barcelona-El Prat

Wed 11/18

12:00 pm-8:49 pm

1 stop14h 49m

$771

KnoxvilleBarcelona

TYS Knoxville McGhee Tyson - BCN Barcelona-El Prat

TYSBCN

Knoxville McGhee Tyson

Tue 11/10

1:55 pm-9:00 am

1 stop13h 05m

Barcelona-El Prat

Thu 11/19

9:55 am-11:59 pm

2 stops20h 04m

$772

KnoxvilleBarcelona

TYS Knoxville McGhee Tyson - BCN Barcelona-El Prat

TYSBCN

Knoxville McGhee Tyson

Wed 9/23

12:39 pm-7:35 am

1 stop12h 56m

Barcelona-El Prat

Fri 10/2

10:15 am-10:42 pm

2 stops18h 27m

$823

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 cheapest month to fly to Barcelona-El Prat Airport?

The cheapest month to fly to Barcelona-El Prat Airport from Knoxville is in November. Flight prices, which tend to average around $0, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of November, then book flights to Barcelona-El Prat Airport from Knoxville during June instead. Flights to Barcelona-El Prat Airport in June, while not as cheap as those in November, still average around $0.

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

You could potentially save up to 4% 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

12h 56m

Direct flights

None
The fastest flight from Knoxville to Barcelona-El Prat Airport takes 12h 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

Frequently asked questions about flying from Knoxville to Barcelona-El Prat Airport

  • 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 12h 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
8,153 reviews
Search British Airways flights
American AirlinesPriceFrom $605Free CancellationRating
7.1
11,896 reviews
Search American Airlines flights
United AirlinesPriceFrom $664Free CancellationRating
7.4
10,097 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
Tarragona
Castelldefels
El Prat de Llobregat
L'Hospitalet de Llobregat
Tossa de Mar
Calella
Cadaques
Cambrils
Roses
Badalona
Santa Susanna
Calella de Palafrugell
Pals
Empuriabrava
Palafrugell
Malgrat de Mar
Pineda 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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