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Cheap flights from Knoxville to Barcelona from $305

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 3/5. 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
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
9:05 am - 9:35 am
TYS
-
BCN
18h 30m2 stops
United Airlines Logo
1:35 pm - 8:52 pm
BCN
-
TYS
37h 17m2 stops
$468United Airlines
Fri, Feb 6 - Tue, Feb 10
United Airlines Logo
6:45 am - 9:00 am
TYS
-
BCN
20h 15m2 stops
United Airlines Logo
1:35 pm - 8:52 pm
BCN
-
TYS
37h 17m2 stops
$469United Airlines
Fri, Feb 6 - Tue, Feb 10
United Airlines Logo
9:30 am - 2:15 pm
TYS
-
BCN
22h 45m2 stops
United Airlines Logo
1:35 pm - 8:52 pm
BCN
-
TYS
37h 17m2 stops
$473United Airlines
Sat, Jan 31 - Sat, Feb 7
British Airways Logo
2:19 pm - 5:55 pm
TYS
-
BCN
21h 36m2 stops
British Airways Logo
8:40 pm - 5:11 pm
BCN
-
TYS
26h 31m2 stops
$482British Airways
Sat, Jan 31 - Wed, Feb 11
Multiple Airlines Logo
12:20 pm - 8:50 am
TYS
-
BCN
14h 30m1 stop
Multiple Airlines Logo
11:00 am - 11:55 pm
BCN
-
TYS
18h 55m1 stop
$484Multiple Airlines
Sat, Feb 14 - Sat, Feb 21
Lufthansa Logo
2:21 pm - 4:20 pm
TYS
-
BCN
19h 59m2 stops
Lufthansa Logo
5:50 am - 8:57 pm
BCN
-
TYS
21h 07m2 stops
$487Lufthansa
Sat, Feb 14 - Sat, Feb 21
Multiple Airlines Logo
5:35 am - 7:05 am
TYS
-
BCN
19h 30m2 stops
Multiple Airlines Logo
12:30 pm - 9:48 pm
BCN
-
TYS
15h 18m1 stop
$489Multiple Airlines
Sat, Feb 14 - Sat, Feb 21
Lufthansa Logo
2:21 pm - 2:45 pm
TYS
-
BCN
18h 24m2 stops
Lufthansa Logo
6:20 pm - 7:29 pm
BCN
-
TYS
31h 09m2 stops
$513Lufthansa
Wed, Feb 18 - Sun, Feb 22
United Airlines Logo
9:20 am - 9:35 am
TYS
-
BCN
18h 15m2 stops
United Airlines Logo
5:50 am - 7:27 pm
BCN
-
TYS
19h 37m2 stops
$592United Airlines
Wed, Feb 4 - Sun, Feb 8
British Airways Logo
2:19 pm - 2:40 pm
TYS
-
BCN
18h 21m2 stops
British Airways Logo
12:30 pm - 8:56 pm
BCN
-
TYS
14h 26m1 stop
$682British Airways
Wed, Feb 4 - Sun, Feb 8

Iberia flights from Knoxville to Barcelona-El Prat Airport

Our best Iberia deals on Knoxville to Barcelona-El Prat Airport flight tickets
Iberia
Apr 17
TYS11:34 amKnoxville McGhee Tyson
16h 56m
1 stop
BCN10:30 amBarcelona-El Prat
May 1
BCN12:30 pmBarcelona-El Prat
16h 36m
2 stops
TYS11:06 pmKnoxville McGhee Tyson
$880
Find similar
Iberia
Apr 17
TYS11:34 amKnoxville McGhee Tyson
20h 26m
2 stops
BCN2:00 pmBarcelona-El Prat
May 1
BCN12:30 pmBarcelona-El Prat
16h 36m
2 stops
TYS11:06 pmKnoxville McGhee Tyson
$916
Find similar
Iberia
Apr 24
TYS8:23 pmKnoxville McGhee Tyson
18h 57m
2 stops
BCN9:20 pmBarcelona-El Prat
May 7
BCN1:35 pmBarcelona-El Prat
15h 31m
2 stops
TYS11:06 pmKnoxville McGhee Tyson
$936
Find similar

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
Feb 6
TYS9:05 amKnoxville McGhee Tyson
18h 30m
2 stops
BCN9:35 amBarcelona-El Prat
Feb 10
BCN1:35 pmBarcelona-El Prat
31h 14m
2 stops
TYS2:49 pmKnoxville McGhee Tyson
$468
Find similar
United Airlines
Feb 6
TYS6:45 amKnoxville McGhee Tyson
20h 15m
2 stops
BCN9:00 amBarcelona-El Prat
Feb 10
BCN1:35 pmBarcelona-El Prat
37h 17m
2 stops
TYS8:52 pmKnoxville McGhee Tyson
$469
Find similar
United Airlines
Jan 31
TYS9:30 amKnoxville McGhee Tyson
22h 45m
2 stops
BCN2:15 pmBarcelona-El Prat
Feb 7
BCN1:35 pmBarcelona-El Prat
37h 17m
2 stops
TYS8:52 pmKnoxville McGhee Tyson
$473
Find similar

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 December 18, 2025.
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

KnoxvilleBarcelona

TYS - BCN

TYSBCN

Knoxville McGhee Tyson

Fri 2/6

9:05 am-9:35 am

2 stops18h 30m

Barcelona-El Prat

Tue 2/10

1:35 pm-8:52 pm

2 stops37h 17m

$468

KnoxvilleBarcelona

TYS - BCN

TYSBCN

Knoxville McGhee Tyson

Fri 2/6

6:45 am-9:00 am

2 stops20h 15m

Barcelona-El Prat

Tue 2/10

1:35 pm-8:52 pm

2 stops37h 17m

$469

KnoxvilleBarcelona

TYS - BCN

TYSBCN

Knoxville McGhee Tyson

Sat 1/31

9:30 am-2:15 pm

2 stops22h 45m

Barcelona-El Prat

Sat 2/7

1:35 pm-8:52 pm

2 stops37h 17m

$473

KnoxvilleBarcelona

TYS - BCN

TYSBCN

Knoxville McGhee Tyson

Sat 1/31

2:19 pm-5:55 pm

2 stops21h 36m

Barcelona-El Prat

Wed 2/11

8:40 pm-5:11 pm

2 stops26h 31m

$482

KnoxvilleBarcelona

TYS - BCN

TYSBCN

Knoxville McGhee Tyson

Sat 2/14

12:20 pm-8:50 am

1 stop14h 30m

Barcelona-El Prat

Sat 2/21

11:00 am-11:55 pm

1 stop18h 55m

$484

KnoxvilleBarcelona

TYS - BCN

TYSBCN

Knoxville McGhee Tyson

Sat 2/14

2:21 pm-4:20 pm

2 stops19h 59m

Barcelona-El Prat

Sat 2/21

5:50 am-8:57 pm

2 stops21h 07m

$487

KnoxvilleBarcelona

TYS - BCN

TYSBCN

Knoxville McGhee Tyson

Sat 2/14

5:35 am-7:05 am

2 stops19h 30m

Barcelona-El Prat

Sat 2/21

12:30 pm-9:48 pm

1 stop15h 18m

$489

KnoxvilleBarcelona

TYS - BCN

TYSBCN

Knoxville McGhee Tyson

Wed 2/18

2:21 pm-2:45 pm

2 stops18h 24m

Barcelona-El Prat

Sun 2/22

6:20 pm-7:29 pm

2 stops31h 09m

$513

KnoxvilleBarcelona

TYS - BCN

TYSBCN

Knoxville McGhee Tyson

Wed 2/4

9:20 am-9:35 am

2 stops18h 15m

Barcelona-El Prat

Sun 2/8

5:50 am-7:27 pm

2 stops19h 37m

$592

KnoxvilleBarcelona

TYS - BCN

TYSBCN

Knoxville McGhee Tyson

Wed 2/4

2:19 pm-2:40 pm

2 stops18h 21m

Barcelona-El Prat

Sun 2/8

12:30 pm-8:56 pm

1 stop14h 26m

$682

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 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 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 $676, 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 $703.

What is the cheapest day to depart on your flight to Barcelona-El Prat Airport?

The cheapest day to depart on your flight to Barcelona-El Prat Airport is on a Monday when prices can be found for as low as $750. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Wednesday because tickets tend to average around $1,167. These prices are subject to change though, so be sure to set up a Price Alert for flights to Barcelona-El Prat Airport.

What is the cheapest time of day to depart on your flight to Barcelona-El Prat Airport?

Flying to Barcelona-El Prat Airport from Knoxville in the evening is the least expensive time of day to depart. momondo users have found prices as low as $850 when looking at flights departing in the evening. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $1,047 on average. Flights to Barcelona-El Prat Airport from Knoxville in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

You could potentially save up to 16% 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

14h 30m

Direct flights

None
The fastest flight from Knoxville to Barcelona-El Prat Airport takes 14h 30m
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 14h 30m, 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
DeltaPriceFrom $433Free CancellationRating
7.9
8,006 reviews
Search Delta flights
American AirlinesPriceFrom $605Free CancellationRating
7.2
11,053 reviews
Search American Airlines flights
British AirwaysPriceFrom $632Free CancellationRating
6.7
7,583 reviews
Search British Airways flights
United AirlinesPriceFrom $732Free CancellationRating
7.4
9,092 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
El Prat de Llobregat
Castelldefels
Tarragona
L'Hospitalet de Llobregat
Santa Susanna
Cambrils
Cadaques
Calella
Empuriabrava
Pals
Pineda de Mar
Roses
Badalona
Palafrugell
Tortosa
La Pineda

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.

An easier way to manage your Barcelona-El Prat Airport trip

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