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Cheap flights from Knoxville to Barcelona from $287

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 9/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Knoxville to Barcelona

Cheap round-trip flights

United Airlines Logo
10:51 am - 7:50 amTYS-BCN
38h 59m2 stops
United Airlines Logo
12:10 pm - 5:18 pmBCN-TYS
35h 08m2 stops
$560United Airlines
Find Deal
Sat, Oct 4 - Tue, Oct 14
American Airlines Logo
7:18 am - 9:05 amTYS-BCN
19h 47m1 stop
American Airlines Logo
1:30 pm - 11:35 pmBCN-TYS
16h 05m1 stop
$582American Airlines
Find Deal
Wed, Oct 1 - Wed, Oct 8
Logo
6:00 am - 7:05 amTYS-BCN
19h 05m1 stop
Logo
11:00 am - 11:45 pmBCN-TYS
18h 45m1 stop
$583
Find Deal
Tue, Nov 4 - Thu, Nov 13
United Airlines Logo
9:55 am - 7:50 amTYS-BCN
15h 55m2 stops
United Airlines Logo
3:05 pm - 10:48 amBCN-TYS
24h 43m2 stops
$587United Airlines
Find Deal
Tue, Oct 21 - Thu, Oct 30
British Airways Logo
2:34 pm - 9:05 amTYS-BCN
12h 31m1 stop
British Airways Logo
2:00 pm - 8:44 pmBCN-TYS
12h 44m1 stop
$600British Airways
Find Deal
Sun, Oct 5 - Tue, Oct 14
British Airways Logo
4:49 pm - 10:30 amTYS-BCN
11h 41m1 stop
British Airways Logo
2:00 pm - 8:44 pmBCN-TYS
12h 44m1 stop
$605British Airways
Find Deal
Sun, Oct 5 - Tue, Oct 14
Air Canada Logo
5:45 am - 7:50 amTYS-BCN
44h 05m2 stops
Air Canada Logo
1:15 pm - 10:29 amBCN-TYS
51h 14m2 stops
$630Air Canada
Find Deal
Wed, Sep 17 - Fri, Sep 26
American Airlines Logo
3:10 pm - 10:30 amTYS-BCN
13h 20m1 stop
American Airlines Logo
12:50 pm - 11:07 pmBCN-TYS
16h 17m2 stops
$637American Airlines
Find Deal
Sat, Oct 4 - Tue, Oct 14
Air Canada Logo
9:55 am - 7:50 amTYS-BCN
39h 55m2 stops
Air Canada Logo
12:10 pm - 10:29 amBCN-TYS
28h 19m2 stops
$639Air Canada
Find Deal
Wed, Oct 1 - Tue, Oct 14
Scandinavian Airlines Logo
1:52 pm - 6:10 pmTYS-BCN
22h 18m2 stops
Scandinavian Airlines Logo
7:00 pm - 11:07 pmBCN-TYS
34h 07m2 stops
$667Scandinavian Airlines
Find Deal
Thu, Oct 2 - Mon, Oct 13

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 1
TYS7:18 amKnoxville McGhee Tyson
19h 47m
1 stop
BCN9:05 amBarcelona-El Prat
Oct 8
BCN1:30 pmBarcelona-El Prat
16h 05m
1 stop
TYS11:35 pmKnoxville McGhee Tyson
$582
Find similar
American Airlines
Oct 4
TYS3:10 pmKnoxville McGhee Tyson
13h 20m
1 stop
BCN10:30 amBarcelona-El Prat
Oct 14
BCN12:50 pmBarcelona-El Prat
16h 17m
2 stops
TYS11:07 pmKnoxville McGhee Tyson
$637
Find similar
American Airlines
Aug 6
TYS12:03 pmKnoxville McGhee Tyson
15h 02m
2 stops
BCN9:05 amBarcelona-El Prat
Aug 13
BCN2:00 pmBarcelona-El Prat
14h 59m
2 stops
TYS10:59 pmKnoxville McGhee Tyson
$1,267
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
Oct 4
TYS10:51 amKnoxville McGhee Tyson
38h 59m
2 stops
BCN7:50 amBarcelona-El Prat
Oct 14
BCN12:10 pmBarcelona-El Prat
35h 08m
2 stops
TYS5:18 pmKnoxville McGhee Tyson
$560
Find similar
United Airlines
Oct 21
TYS9:55 amKnoxville McGhee Tyson
15h 55m
2 stops
BCN7:50 amBarcelona-El Prat
Oct 30
BCN3:05 pmBarcelona-El Prat
24h 43m
2 stops
TYS10:48 amKnoxville McGhee Tyson
$587
Find similar
United Airlines
Oct 6
TYS9:55 amKnoxville McGhee Tyson
16h 25m
1 stop
BCN8:20 amBarcelona-El Prat
Oct 17
BCN11:15 amBarcelona-El Prat
33h 30m
1 stop
TYS2:45 pmKnoxville McGhee Tyson
$588
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 July 31, 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

Sat 10/4

10:51 am-7:50 am

2 stops38h 59m

Barcelona-El Prat

Tue 10/14

12:10 pm-5:18 pm

2 stops35h 08m

$560

KnoxvilleBarcelona

TYS - BCN

TYSBCN

Knoxville McGhee Tyson

Wed 10/1

7:18 am-9:05 am

1 stop19h 47m

Barcelona-El Prat

Wed 10/8

1:30 pm-11:35 pm

1 stop16h 05m

$582

KnoxvilleBarcelona

TYS - BCN

TYSBCN

Knoxville McGhee Tyson

Tue 11/4

6:00 am-7:05 am

1 stop19h 05m

Barcelona-El Prat

Thu 11/13

11:00 am-11:45 pm

1 stop18h 45m

$583

KnoxvilleBarcelona

TYS - BCN

TYSBCN

Knoxville McGhee Tyson

Tue 10/21

9:55 am-7:50 am

2 stops15h 55m

Barcelona-El Prat

Thu 10/30

3:05 pm-10:48 am

2 stops24h 43m

$587

KnoxvilleBarcelona

TYS - BCN

TYSBCN

Knoxville McGhee Tyson

Sun 10/5

2:34 pm-9:05 am

1 stop12h 31m

Barcelona-El Prat

Tue 10/14

2:00 pm-8:44 pm

1 stop12h 44m

$600

KnoxvilleBarcelona

TYS - BCN

TYSBCN

Knoxville McGhee Tyson

Sun 10/5

4:49 pm-10:30 am

1 stop11h 41m

Barcelona-El Prat

Tue 10/14

2:00 pm-8:44 pm

1 stop12h 44m

$605

KnoxvilleBarcelona

TYS - BCN

TYSBCN

Knoxville McGhee Tyson

Wed 9/17

5:45 am-7:50 am

2 stops44h 05m

Barcelona-El Prat

Fri 9/26

1:15 pm-10:29 am

2 stops51h 14m

$630

KnoxvilleBarcelona

TYS - BCN

TYSBCN

Knoxville McGhee Tyson

Sat 10/4

3:10 pm-10:30 am

1 stop13h 20m

Barcelona-El Prat

Tue 10/14

12:50 pm-11:07 pm

2 stops16h 17m

$637

KnoxvilleBarcelona

TYS - BCN

TYSBCN

Knoxville McGhee Tyson

Wed 10/1

9:55 am-7:50 am

2 stops39h 55m

Barcelona-El Prat

Tue 10/14

12:10 pm-10:29 am

2 stops28h 19m

$639

KnoxvilleBarcelona

TYS - BCN

TYSBCN

Knoxville McGhee Tyson

Thu 10/2

1:52 pm-6:10 pm

2 stops22h 18m

Barcelona-El Prat

Mon 10/13

7:00 pm-11:07 pm

2 stops34h 07m

$667

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 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 February. Flight prices, which tend to average around $743, 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 January instead. Flights to Barcelona-El Prat Airport in January, while not as cheap as those in February, still average around $753.

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.

How far in advance should I book a flight to Barcelona-El Prat Airport?

You are more likely to see cheaper flights to Barcelona-El Prat Airport from Knoxville when booking weeks ahead of your departure date. In general, you can expect to find flights to Barcelona-El Prat Airport for around $1,028 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Barcelona-El Prat Airport from Knoxville for as low as $663 on momondo.

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

Best Price Found

$287

Fastest flight time

11h 41m

Direct flights

None
The best one-way flight to Barcelona-El Prat Airport from Knoxville in the past 72 hours is $287. The best round-trip flight deal from Knoxville to Barcelona-El Prat Airport found on momondo in the last 72 hours is $560.
The fastest flight from Knoxville to Barcelona-El Prat Airport takes 11h 41m
There are no direct flights from Knoxville to Barcelona-El Prat Airport. Popular non-direct route for this connection is Knoxville McGhee Tyson Airport - 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 11h 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
KLMPriceFrom $530Free CancellationRating
7.8
1,383 reviews
Search KLM flights
DeltaPriceFrom $530Free CancellationRating
8.0
7,981 reviews
Search Delta flights
British AirwaysPriceFrom $620Free CancellationRating
6.6
7,222 reviews
Search British Airways flights
American AirlinesPriceFrom $690Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $732Free CancellationRating
7.4
8,900 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
El Prat de Llobregat
Tossa de Mar
Tarragona
L'Hospitalet de Llobregat
Castelldefels
Santa Susanna
Badalona
Calella
Cambrils
Pineda de Mar
Empuriabrava
Cadaques
Roses
Palafrugell
Tortosa
Malgrat de Mar
Llafranc

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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