$495+ Cheap flights from Knoxville (TYS) to Barcelona-El Prat (BCN)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/30. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — BCN
Nov 22 — Nov 291
Round-trip
1 adult, Economy
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Find cheap flights from Knoxville to Barcelona-El Prat with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Knoxville to Barcelona-El Prat
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Best
Last-minute
One-way
Cheapest flights from Knoxville to Barcelona-El PratExplore the most affordable flight options available from Knoxville to Barcelona-El Prat. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 23, 2026.
Explore the most affordable flight options available from Knoxville to Barcelona-El Prat. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 23, 2026.
This United Airlines deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/285:45 am -
1 stop22h 15m
Fri 11/61:35 pm -
2 stops51h 09m
Deal found 10/20![United Airlines logo]()
$796
This Justfly.com deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/284:49 pm -
2 stops18h 46m
Fri 11/612:00 pm -
1 stop14h 49m
Deal found 10/21![British Airways logo]()
$802
This United Airlines deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/66:20 am -
1 stop20h 00m
Sun 12/136:50 am -
2 stops18h 57m
Deal found 10/22![United Airlines logo]()
$812
This Cheapflightsfares deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/237:25 pm -
2 stops21h 00m
Wed 11/116:50 am -
2 stops23h 09m
Deal found 10/18![Lufthansa logo]()
$836
This Expedia deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/57:45 pm -
2 stops34h 25m
Sat 12/126:20 pm -
2 stops35h 39m
Deal found 10/21![Lufthansa logo]()
$843
This United deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/237:25 pm -
1 stop32h 35m
Wed 11/111:35 pm -
2 stops55h 13m
Deal found 10/18![Multiple Airlines logo]()
$846
This United Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/57:45 pm -
1 stop31h 15m
Sat 12/121:50 pm -
2 stops40h 09m
Deal found 10/21![United Airlines logo]()
$849
Best flights from Knoxville to Barcelona-El PratDiscover carefully curated flight deals from Knoxville to Barcelona-El Prat that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 23, 2026.
Discover carefully curated flight deals from Knoxville to Barcelona-El Prat that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 23, 2026.
This United Airlines deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/162:07 pm -
2 stops15h 18m
Thu 2/181:35 pm -
2 stops36h 16m
Deal found 10/22![United Airlines logo]()
$726
This Air Canada deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/17:10 pm -
2 stops32h 25m
Fri 2/51:35 pm -
2 stops29h 45m
Deal found 10/18![Air Canada logo]()
$751
This Expedia deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/57:45 pm -
2 stops34h 25m
Sat 12/126:20 pm -
2 stops35h 39m
Deal found 10/21![Lufthansa logo]()
$843
This United Airlines deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/112:20 pm -
1 stop14h 00m
Fri 2/51:35 pm -
2 stops31h 12m
Deal found 10/19![United Airlines logo]()
$742
This United Airlines deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/66:20 am -
1 stop20h 00m
Sun 12/136:50 am -
2 stops18h 57m
Deal found 10/22![United Airlines logo]()
$812
This United Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/57:45 pm -
1 stop31h 15m
Sat 12/121:50 pm -
2 stops40h 09m
Deal found 10/21![United Airlines logo]()
$849
Last-minute flights from Knoxville to Barcelona-El PratDiscover last-minute flight deals from Knoxville to Barcelona-El Prat. Data last updated October 23, 2026 and is based on user searches.
Discover last-minute flight deals from Knoxville to Barcelona-El Prat. Data last updated October 23, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/237:25 pm -
2 stops21h 00m
Wed 11/116:50 am -
2 stops23h 09m
Deal found 10/18![Lufthansa logo]()
$836
This United deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/237:25 pm -
1 stop32h 35m
Wed 11/111:35 pm -
2 stops55h 13m
Deal found 10/18![Multiple Airlines logo]()
$846
This American Airlines deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/236:00 am -
1 stop21h 05m
Wed 11/1111:00 am -
1 stop17h 01m
Deal found 10/18![American Airlines logo]()
$855
This United Airlines deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/285:45 am -
1 stop22h 15m
Fri 11/61:35 pm -
2 stops51h 09m
Deal found 10/20![United Airlines logo]()
$796
This Justfly.com deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/284:49 pm -
2 stops18h 46m
Fri 11/612:00 pm -
1 stop14h 49m
Deal found 10/21![British Airways logo]()
$802
This United Airlines deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/17:35 pm -
1 stop31h 25m
Sat 11/211:35 pm -
2 stops51h 09m
Deal found 10/22![United Airlines logo]()
$857
This Expedia deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1911:20 am -
2 stops26h 35m
Thu 11/265:55 am -
2 stops19h 41m
Deal found 10/22![Lufthansa logo]()
$927
This United Airlines deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/194:30 pm -
2 stops35h 05m
Thu 11/2610:30 am -
1 stop15h 06m
Deal found 10/22![United Airlines logo]()
$940
One-way flights from Knoxville to Barcelona-El PratSearch for one-way flight options from Knoxville to Barcelona-El Prat. Find affordable one-way fares based on user searches. Data last updated October 23, 2026.
Search for one-way flight options from Knoxville to Barcelona-El Prat. Find affordable one-way fares based on user searches. Data last updated October 23, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3011:35 am -
2 stops18h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Aer Lingus logo]()
$495
This FlightHub deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/303:56 pm -
1 stop12h 14m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![British Airways logo]()
$600
This Air Canada deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/309:45 am -
3 stops17h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Air Canada logo]()
$1,068
Find flight deals from Knoxville to Barcelona-El Prat
Discover tips and strategies to find the most affordable flight options for your journey from Knoxville (TYS) to Barcelona-El Prat (BCN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 23, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $724 (United Airlines) |
One-way from | $495 (Cheapflightsfares) |
Popular in | July |
Cheapest in | January |
Average price | $910 |
Cheapflights Fare Finder
Customize your flight search to find flights from Knoxville to Barcelona-El Prat 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, Cheapflights users made 7,457,451 searches. Data last updated October 23, 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
Cheapest round-trip
KnoxvilleBarcelona
TYS Knoxville McGhee Tyson - BCN Barcelona-El Prat
TYSBCN
Knoxville McGhee Tyson
Fri 10/30
11:35 am-10:50 am
2 stops18h 15m
Barcelona-El Prat
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$495
Quickest round-trip
KnoxvilleBarcelona
TYS Knoxville McGhee Tyson - BCN Barcelona-El Prat
TYSBCN
Knoxville McGhee Tyson
Fri 10/30
3:56 pm-9:10 am
1 stop12h 14m
Barcelona-El Prat
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$600
KnoxvilleBarcelona
TYS Knoxville McGhee Tyson - BCN Barcelona-El Prat
TYSBCN
Knoxville McGhee Tyson
Tue 2/16
2:07 pm-11:25 am
2 stops15h 18m
Barcelona-El Prat
Thu 2/18
1:35 pm-7:51 pm
2 stops36h 16m
$726
KnoxvilleBarcelona
TYS Knoxville McGhee Tyson - BCN Barcelona-El Prat
TYSBCN
Knoxville McGhee Tyson
Mon 2/1
12:20 pm-8:20 am
1 stop14h 00m
Barcelona-El Prat
Fri 2/5
1:35 pm-2:47 pm
2 stops31h 12m
$742
KnoxvilleBarcelona
TYS Knoxville McGhee Tyson - BCN Barcelona-El Prat
TYSBCN
Knoxville McGhee Tyson
Mon 2/1
7:10 pm-9:35 am
2 stops32h 25m
Barcelona-El Prat
Fri 2/5
1:35 pm-1:20 pm
2 stops29h 45m
$751
KnoxvilleBarcelona
TYS Knoxville McGhee Tyson - BCN Barcelona-El Prat
TYSBCN
Knoxville McGhee Tyson
Sun 12/6
6:20 am-8:20 am
1 stop20h 00m
Barcelona-El Prat
Sun 12/13
6:50 am-7:47 pm
2 stops18h 57m
$812
KnoxvilleBarcelona
TYS Knoxville McGhee Tyson - BCN Barcelona-El Prat
TYSBCN
Knoxville McGhee Tyson
Sat 12/5
7:45 pm-12:10 pm
2 stops34h 25m
Barcelona-El Prat
Sat 12/12
6:20 pm-11:59 pm
2 stops35h 39m
$843
KnoxvilleBarcelona
TYS Knoxville McGhee Tyson - BCN Barcelona-El Prat
TYSBCN
Knoxville McGhee Tyson
Sat 12/5
7:45 pm-9:00 am
1 stop31h 15m
Barcelona-El Prat
Sat 12/12
1:50 pm-11:59 pm
2 stops40h 09m
$849
KnoxvilleBarcelona
TYS Knoxville McGhee Tyson - BCN Barcelona-El Prat
TYSBCN
Knoxville McGhee Tyson
Fri 10/30
9:45 am-8:40 am
3 stops17h 55m
Barcelona-El Prat
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$1,535
Sorted by cheapest first
Compare providers for flights from Knoxville to Barcelona-El Prat
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Knoxville to Barcelona-El Prat in October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Knoxville-Barcelona-El Prat Airport flights, users find the pricing of Ovago to be most consistent on Cheapflights vs. Ovago Users can find the same prices on Knoxville-Barcelona-El Prat Airport flight deals on Cheapflights vs. Ovago >95% of the time. Price accuracy is based on data collected from Knoxville-Barcelona-El Prat Airport flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Knoxville-Barcelona-El Prat Airport flights, Cheapflights users trust Ovago the most. Ovago has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Knoxville-Barcelona-El Prat Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Knoxville to Barcelona-El Prat
Have a flexible travel schedule? Discover the best time to fly to Barcelona-El Prat from Knoxville with our price prediction graph.
TYS-BCN
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Knoxville to Barcelona-El Prat Airport
Reviews of airlines servicing Barcelona-El Prat
Get insights into the airlines that provide service to Barcelona-El Prat. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Barcelona-El Prat. Reviews last updated October 23, 2026.
Get a feel of what it's like to fly with United Airlines,American Airlines, andBritish Airways from Knoxville to Barcelona-El Prat Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
7.3
Boarding
7.7
Comfort
7.3
Crew
8.1
Entertainment
7.1
Food
6.7
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
Overall
7.3
Boarding
7.7
Comfort
7.3
Crew
8.1
Entertainment
7.1
Food
6.7
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
Overall
7.3
Boarding
7.7
Comfort
7.3
Crew
8.1
Entertainment
7.1
Food
6.7
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
Overall
7.3
Boarding
7.7
Comfort
7.3
Crew
8.1
Entertainment
7.1
Food
6.7
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
Related info for your journey
Find useful and relevant information for your journey from Knoxville to Barcelona-El Prat. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Barcelona-El Prat Airport?
Book flights to Barcelona-El Prat Airport if you plan to visit one of these locationsRoses
Calella
Badalona
El Prat de Llobregat
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Other flights to Barcelona-El Prat
Explore flights to Barcelona-El Prat departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 23, 2026.
Complete your trip
Complete your trip to Barcelona-El Prat by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Knoxville to Barcelona-El Prat by cabin class
Find flights from Knoxville to Barcelona-El Prat, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Knoxville and Barcelona-El Prat flights
Browse other Knoxville and Barcelona-El Prat flight options. Last updated on October 23, 2026.
Other flights from Knoxville
Browse through other flights departing from Knoxville. Flights are based on user searches made on Cheapflights and were last updated on October 23, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 3 airlines flying from Knoxville to Barcelona-El Prat
Discover the top 3 airlines that operate flights from Knoxville to Barcelona-El Prat. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated October 23, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$432 | Average$806 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$640 | Average$1,069 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$664 | Average$864 | FlexibilityNo cancel fee | On-time69% |