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Cheap flights from Knoxville to Barcelona from $341

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 10/28. 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
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
2:20 pm - 9:00 am
TYS
-
BCN
13h 40m
1 stop
United Airlines Logo
3:05 pm - 12:14 am
BCN
-
TYS
15h 09m
1 stop
$770United Airlines
Wed, Oct 28 - Fri, Nov 6
American Airlines Logo
1:40 pm - 8:50 am
TYS
-
BCN
14h 10m
1 stop
American Airlines Logo
3:05 pm - 11:45 pm
BCN
-
TYS
14h 40m
1 stop
$772American Airlines
Wed, Oct 28 - Fri, Nov 6
United Airlines Logo
5:45 am - 8:00 am
TYS
-
BCN
20h 15m
2 stops
United Airlines Logo
11:15 am - 11:55 pm
BCN
-
TYS
18h 40m
1 stop
$773United Airlines
Wed, Sep 23 - Fri, Oct 2
Multiple Airlines Logo
7:20 pm - 2:00 pm
TYS
-
BCN
13h 40m
2 stops
Multiple Airlines Logo
10:50 am - 11:46 pm
BCN
-
TYS
18h 56m
1 stop
$774Multiple Airlines
Wed, Oct 28 - Fri, Nov 6
United Airlines Logo
5:45 am - 8:00 am
TYS
-
BCN
20h 15m
2 stops
United Airlines Logo
3:15 pm - 10:36 am
BCN
-
TYS
25h 21m
2 stops
$777United Airlines
Wed, Sep 23 - Fri, Oct 2
United Airlines Logo
5:45 am - 9:20 am
TYS
-
BCN
21h 35m
2 stops
United Airlines Logo
11:15 am - 11:55 pm
BCN
-
TYS
18h 40m
1 stop
$778United Airlines
Wed, Sep 23 - Fri, Oct 2
United Airlines Logo
6:30 am - 9:20 am
TYS
-
BCN
20h 50m
2 stops
United Airlines Logo
3:15 pm - 10:36 am
BCN
-
TYS
25h 21m
2 stops
$782United Airlines
Wed, Sep 23 - Fri, Oct 2
United Airlines Logo
5:57 pm - 1:15 pm
TYS
-
BCN
13h 18m
1 stop
United Airlines Logo
3:15 pm - 12:30 am
BCN
-
TYS
15h 15m
1 stop
$822United Airlines
Wed, Sep 23 - Fri, Oct 2
United Airlines Logo
7:00 am - 9:20 am
TYS
-
BCN
20h 20m
2 stops
United Airlines Logo
12:15 pm - 2:37 pm
BCN
-
TYS
32h 22m
2 stops
$825United Airlines
Tue, Sep 1 - Fri, Sep 11
Air Canada Logo
6:02 pm - 8:00 am
TYS
-
BCN
31h 58m
2 stops
Air Canada Logo
12:15 pm - 2:37 pm
BCN
-
TYS
32h 22m
2 stops
$826Air Canada
Tue, Sep 1 - Fri, Sep 11

American Airlines flights from Knoxville to Barcelona-El Prat Airport

Our best American Airlines deals on Knoxville to Barcelona-El Prat Airport flight tickets
American Airlines
Oct 28
TYS1:40 pmKnoxville McGhee Tyson
14h 10m
1 stop
BCN8:50 amBarcelona-El Prat
Nov 6
BCN3:05 pmBarcelona-El Prat
14h 40m
1 stop
TYS11:45 pmKnoxville McGhee Tyson
$772
American Airlines
Sep 1
TYS11:34 amKnoxville McGhee Tyson
17h 01m
1 stop
BCN10:35 amBarcelona-El Prat
Sep 11
BCN12:20 pmBarcelona-El Prat
17h 11m
1 stop
TYS11:31 pmKnoxville McGhee Tyson
$865
American Airlines
Sep 1
TYS6:13 amKnoxville McGhee Tyson
18h 32m
1 stop
BCN6:45 amBarcelona-El Prat
Sep 11
BCN12:20 pmBarcelona-El Prat
17h 11m
1 stop
TYS11:31 pmKnoxville McGhee Tyson
$916

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
Oct 10
TYS6:54 pmKnoxville McGhee Tyson
19h 31m
2 stops
BCN8:25 pmBarcelona-El Prat
Oct 16
BCN7:20 pmBarcelona-El Prat
32h 34m
2 stops
TYS9:54 pmKnoxville McGhee Tyson
$929
British Airways
Oct 10
TYS9:47 amKnoxville McGhee Tyson
17h 18m
1 stop
BCN9:05 amBarcelona-El Prat
Oct 16
BCN7:20 pmBarcelona-El Prat
32h 34m
2 stops
TYS9:54 pmKnoxville McGhee Tyson
$931
British Airways
Jul 31
TYS6:33 pmKnoxville McGhee Tyson
30h 12m
1 stop
BCN6:45 amBarcelona-El Prat
Aug 13
BCN12:50 pmBarcelona-El Prat
13h 23m
1 stop
TYS8:13 pmKnoxville McGhee Tyson
$946

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 May 13, 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

Wed 10/28

2:20 pm-9:00 am

1 stop13h 40m

Barcelona-El Prat

Fri 11/6

3:05 pm-12:14 am

1 stop15h 09m

$770

KnoxvilleBarcelona

TYS - BCN

TYSBCN

Knoxville McGhee Tyson

Wed 10/28

1:40 pm-8:50 am

1 stop14h 10m

Barcelona-El Prat

Fri 11/6

3:05 pm-11:45 pm

1 stop14h 40m

$772

KnoxvilleBarcelona

TYS - BCN

TYSBCN

Knoxville McGhee Tyson

Wed 9/23

5:45 am-8:00 am

2 stops20h 15m

Barcelona-El Prat

Fri 10/2

11:15 am-11:55 pm

1 stop18h 40m

$773

KnoxvilleBarcelona

TYS - BCN

TYSBCN

Knoxville McGhee Tyson

Wed 10/28

7:20 pm-2:00 pm

2 stops13h 40m

Barcelona-El Prat

Fri 11/6

10:50 am-11:46 pm

1 stop18h 56m

$774

KnoxvilleBarcelona

TYS - BCN

TYSBCN

Knoxville McGhee Tyson

Wed 9/23

5:45 am-8:00 am

2 stops20h 15m

Barcelona-El Prat

Fri 10/2

3:15 pm-10:36 am

2 stops25h 21m

$777

KnoxvilleBarcelona

TYS - BCN

TYSBCN

Knoxville McGhee Tyson

Wed 9/23

5:45 am-9:20 am

2 stops21h 35m

Barcelona-El Prat

Fri 10/2

11:15 am-11:55 pm

1 stop18h 40m

$778

KnoxvilleBarcelona

TYS - BCN

TYSBCN

Knoxville McGhee Tyson

Wed 9/23

6:30 am-9:20 am

2 stops20h 50m

Barcelona-El Prat

Fri 10/2

3:15 pm-10:36 am

2 stops25h 21m

$782
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

$822

KnoxvilleBarcelona

TYS - BCN

TYSBCN

Knoxville McGhee Tyson

Tue 9/1

7:00 am-9:20 am

2 stops20h 20m

Barcelona-El Prat

Fri 9/11

12:15 pm-2:37 pm

2 stops32h 22m

$825

KnoxvilleBarcelona

TYS - BCN

TYSBCN

Knoxville McGhee Tyson

Tue 9/1

6:02 pm-8:00 am

2 stops31h 58m

Barcelona-El Prat

Fri 9/11

12:15 pm-2:37 pm

2 stops32h 22m

$826

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 49% 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 40m

Direct flights

None
The fastest flight from Knoxville to Barcelona-El Prat Airport takes 13h 40m
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 13h 40m, 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
7,975 reviews
Search British Airways flights
American AirlinesPriceFrom $512Free CancellationRating
7.1
11,663 reviews
Search American Airlines flights
United AirlinesPriceFrom $664Free CancellationRating
7.4
9,706 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
Castelldefels
Tossa de Mar
Tarragona
El Prat de Llobregat
L'Hospitalet de Llobregat
Calella
Cambrils
Cadaques
Badalona
Pineda de Mar
Santa Susanna
Empuriabrava
Pals
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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