Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Knoxville to Barcelona from $450

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Knoxville to Barcelona departing on 12/29. 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

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Knoxville to Barcelona

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
4:31 pm - 7:15 amTYS-BCN
32h 44m1 stop
Delta Logo
10:55 am - 6:52 pmBCN-TYS
13h 57m1 stop
$450Delta
Find Deal
Mon, Dec 29 - Sun, Jan 11
Delta Logo
6:59 pm - 7:15 amTYS-BCN
30h 16m1 stop
Delta Logo
6:00 am - 8:22 pmBCN-TYS
20h 22m2 stops
$456Delta
Find Deal
Mon, Dec 29 - Sun, Jan 11
United Airlines Logo
9:40 am - 8:20 amTYS-BCN
16h 40m1 stop
United Airlines Logo
1:35 pm - 7:29 pmBCN-TYS
35h 54m2 stops
$461United Airlines
Find Deal
Sat, Dec 6 - Mon, Dec 15
British Airways Logo
2:19 pm - 9:00 amTYS-BCN
12h 41m1 stop
British Airways Logo
12:30 pm - 8:56 pmBCN-TYS
14h 26m1 stop
$484British Airways
Find Deal
Sat, Jan 31 - Wed, Feb 11
American Airlines Logo
4:06 pm - 1:45 pmTYS-BCN
15h 39m2 stops
American Airlines Logo
12:30 pm - 10:54 pmBCN-TYS
16h 24m2 stops
$485American Airlines
Find Deal
Sat, Jan 31 - Wed, Feb 11
British Airways Logo
5:08 pm - 11:20 amTYS-BCN
36h 12m2 stops
British Airways Logo
9:20 pm - 8:56 pmBCN-TYS
29h 36m2 stops
$589British Airways
Find Deal
Mon, Dec 29 - Sun, Jan 11
United Airlines Logo
7:25 pm - 8:20 amTYS-BCN
30h 55m1 stop
United Airlines Logo
1:55 pm - 8:54 pmBCN-TYS
35h 59m2 stops
$605United Airlines
Find Deal
Sat, Mar 7 - Sat, Mar 14
Multiple Airlines Logo
6:35 am - 8:00 amTYS-BCN
19h 25m1 stop
Multiple Airlines Logo
11:00 am - 10:10 pmBCN-TYS
16h 10m1 stop
$634Multiple Airlines
Find Deal
Sat, Mar 7 - Sat, Mar 14
Multiple Airlines Logo
7:25 pm - 9:35 amTYS-BCN
32h 10m2 stops
Multiple Airlines Logo
5:10 pm - 8:54 pmBCN-TYS
32h 44m2 stops
$712Multiple Airlines
Find Deal
Fri, Mar 6 - Sun, Mar 15
American Airlines Logo
7:04 am - 1:05 pmTYS-BCN
25h 01m1 stop
American Airlines Logo
10:45 am - 9:14 pmBCN-TYS
16h 29m1 stop
$981American Airlines
Find Deal
Fri, Mar 27 - Tue, Mar 31

Delta flights from Knoxville to Barcelona-El Prat Airport

Our best Delta deals on Knoxville to Barcelona-El Prat Airport flight tickets
Delta
Dec 29
TYS4:31 pmKnoxville McGhee Tyson
32h 44m
1 stop
BCN7:15 amBarcelona-El Prat
Jan 11
BCN10:55 amBarcelona-El Prat
13h 57m
1 stop
TYS6:52 pmKnoxville McGhee Tyson
$450
Find similar
Delta
Dec 29
TYS6:59 pmKnoxville McGhee Tyson
30h 16m
1 stop
BCN7:15 amBarcelona-El Prat
Jan 11
BCN6:00 amBarcelona-El Prat
20h 22m
2 stops
TYS8:22 pmKnoxville McGhee Tyson
$456
Find similar
Delta
Jan 31
TYS1:00 pmKnoxville McGhee Tyson
19h 00m
2 stops
BCN2:00 pmBarcelona-El Prat
Feb 11
BCN10:55 amBarcelona-El Prat
15h 07m
1 stop
TYS8:02 pmKnoxville McGhee Tyson
$462
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
Dec 6
TYS9:40 amKnoxville McGhee Tyson
16h 40m
1 stop
BCN8:20 amBarcelona-El Prat
Dec 15
BCN1:35 pmBarcelona-El Prat
35h 54m
2 stops
TYS7:29 pmKnoxville McGhee Tyson
$461
Find similar
United Airlines
Mar 7
TYS7:25 pmKnoxville McGhee Tyson
30h 55m
1 stop
BCN8:20 amBarcelona-El Prat
Mar 14
BCN1:55 pmBarcelona-El Prat
35h 59m
2 stops
TYS8:54 pmKnoxville McGhee Tyson
$605
Find similar
United Airlines
Mar 7
TYS7:00 pmKnoxville McGhee Tyson
35h 05m
2 stops
BCN12:05 pmBarcelona-El Prat
Mar 14
BCN1:55 pmBarcelona-El Prat
35h 59m
2 stops
TYS8:54 pmKnoxville McGhee Tyson
$625
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 November 4, 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

Mon 12/29

4:31 pm-7:15 am

1 stop32h 44m

Barcelona-El Prat

Sun 1/11

10:55 am-6:52 pm

1 stop13h 57m

$450

KnoxvilleBarcelona

TYS - BCN

TYSBCN

Knoxville McGhee Tyson

Mon 12/29

6:59 pm-7:15 am

1 stop30h 16m

Barcelona-El Prat

Sun 1/11

6:00 am-8:22 pm

2 stops20h 22m

$456

KnoxvilleBarcelona

TYS - BCN

TYSBCN

Knoxville McGhee Tyson

Sat 12/6

9:40 am-8:20 am

1 stop16h 40m

Barcelona-El Prat

Mon 12/15

1:35 pm-7:29 pm

2 stops35h 54m

$461

KnoxvilleBarcelona

TYS - BCN

TYSBCN

Knoxville McGhee Tyson

Sat 1/31

2:19 pm-9:00 am

1 stop12h 41m

Barcelona-El Prat

Wed 2/11

12:30 pm-8:56 pm

1 stop14h 26m

$484

KnoxvilleBarcelona

TYS - BCN

TYSBCN

Knoxville McGhee Tyson

Sat 1/31

4:06 pm-1:45 pm

2 stops15h 39m

Barcelona-El Prat

Wed 2/11

12:30 pm-10:54 pm

2 stops16h 24m

$485

KnoxvilleBarcelona

TYS - BCN

TYSBCN

Knoxville McGhee Tyson

Mon 12/29

5:08 pm-11:20 am

2 stops36h 12m

Barcelona-El Prat

Sun 1/11

9:20 pm-8:56 pm

2 stops29h 36m

$589

KnoxvilleBarcelona

TYS - BCN

TYSBCN

Knoxville McGhee Tyson

Sat 3/7

7:25 pm-8:20 am

1 stop30h 55m

Barcelona-El Prat

Sat 3/14

1:55 pm-8:54 pm

2 stops35h 59m

$605

KnoxvilleBarcelona

TYS - BCN

TYSBCN

Knoxville McGhee Tyson

Sat 3/7

6:35 am-8:00 am

1 stop19h 25m

Barcelona-El Prat

Sat 3/14

11:00 am-10:10 pm

1 stop16h 10m

$634

KnoxvilleBarcelona

TYS - BCN

TYSBCN

Knoxville McGhee Tyson

Fri 3/6

7:25 pm-9:35 am

2 stops32h 10m

Barcelona-El Prat

Sun 3/15

5:10 pm-8:54 pm

2 stops32h 44m

$712

KnoxvilleBarcelona

TYS - BCN

TYSBCN

Knoxville McGhee Tyson

Fri 3/27

7:04 am-1:05 pm

1 stop25h 01m

Barcelona-El Prat

Tue 3/31

10:45 am-9:14 pm

1 stop16h 29m

$981

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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 February. Flight prices, which tend to average around $723, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of February, then book flights to Barcelona-El Prat Airport from Knoxville during October instead. Flights to Barcelona-El Prat Airport in October, while not as cheap as those in February, still average around $732.

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 13% 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

Direct flights

None
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 12h 41m, 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
8,002 reviews
Search Delta flights
American AirlinesPriceFrom $631Free CancellationRating
7.2
11,038 reviews
Search American Airlines flights
British AirwaysPriceFrom $632Free CancellationRating
6.7
7,494 reviews
Search British Airways flights
United AirlinesPriceFrom $732Free CancellationRating
7.4
8,998 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
El Prat de Llobregat
L'Hospitalet de Llobregat
Tarragona
Santa Susanna
Cambrils
Cadaques
Empuriabrava
Pineda de Mar
Roses
Badalona
Calella
Pals
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

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Thu 12/4
Thu 12/11
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Barcelona

Popular cities in Spain

Popular flights according to clicks in the last 7 days on momondo
Flights to Girona Costa Brava Airport