$491+ 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
Oct 10 — Oct 171
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
Cheapest
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 September 10, 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 September 10, 2026.
This Delta deal was found by Cheapflights users on 9/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2912:13 pm -
1 stop14h 22m
Tue 1/126:00 am -
2 stops18h 13m
Deal found 9/9![Delta logo]()
$594
This Delta deal was found by Cheapflights users on 9/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/286:45 pm -
1 stop31h 50m
Tue 1/1211:15 am -
2 stops18h 31m
Deal found 9/9![Delta logo]()
$608
This Delta deal was found by Cheapflights users on 9/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2912:13 pm -
1 stop14h 22m
Mon 1/1112:10 pm -
2 stops34h 07m
Deal found 9/9![Delta logo]()
$615
This Delta deal was found by Cheapflights users on 9/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/284:11 pm -
2 stops16h 49m
Fri 11/66:00 am -
2 stops19h 49m
Deal found 9/9![Delta logo]()
$621
This Delta deal was found by Cheapflights users on 9/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2912:13 pm -
1 stop14h 22m
Sun 1/1010:35 am -
2 stops28h 37m
Deal found 9/9![Delta logo]()
$630
This Delta deal was found by Cheapflights users on 9/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/286:45 pm -
1 stop31h 50m
Mon 1/1110:50 am -
1 stop18h 56m
Deal found 9/9![Delta logo]()
$631
This Delta deal was found by Cheapflights users on 9/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/286:45 pm -
1 stop31h 50m
Sun 1/1010:35 am -
2 stops30h 31m
Deal found 9/9![Delta logo]()
$635
This Delta deal was found by Cheapflights users on 9/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2912:13 pm -
1 stop14h 22m
Sat 1/96:00 am -
2 stops17h 13m
Deal found 9/9![Delta logo]()
$644
This Delta deal was found by Cheapflights users on 9/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/286:45 pm -
1 stop31h 50m
Sat 1/96:00 am -
2 stops21h 34m
Deal found 9/9![Delta logo]()
$658
This Delta deal was found by Cheapflights users on 9/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2912:13 pm -
1 stop14h 22m
Fri 1/812:10 pm -
2 stops35h 03m
Deal found 9/9![Delta logo]()
$665
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 September 10, 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 September 10, 2026.
This Delta deal was found by Cheapflights users on 9/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/1510:05 am -
2 stops16h 35m
Sat 1/2310:35 am -
2 stops28h 37m
Deal found 9/10![Delta logo]()
$685
This United Airlines deal was found by Cheapflights users on 9/5. 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 10/79:45 am -
2 stops20h 10m
Wed 10/1411:15 am -
1 stop18h 44m
Deal found 9/5![United Airlines logo]()
$746
This KLM deal was found by Cheapflights users on 9/7. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/212:00 pm -
2 stops14h 35m
Fri 3/121:10 pm -
2 stops16h 36m
Deal found 9/7![KLM logo]()
$763
This United Airlines deal was found by Cheapflights users on 9/5. 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 stops36h 16m
Deal found 9/5![United Airlines logo]()
$754
Last-minute flights from Knoxville to Barcelona-El PratDiscover last-minute flight deals from Knoxville to Barcelona-El Prat. Data last updated September 10, 2026 and is based on user searches.
Discover last-minute flight deals from Knoxville to Barcelona-El Prat. Data last updated September 10, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 9/10. 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 9/236:00 pm -
2 stops32h 00m
Fri 10/28:00 am -
2 stops36h 42m
Deal found 9/10![United Airlines logo]()
$713
This KAYAK deal was found by Cheapflights users on 9/9. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/307:15 am -
2 stops23h 50m
Wed 10/711:15 am -
1 stop18h 44m
Deal found 9/9![Lufthansa logo]()
$745
This Cheapflightsfares deal was found by Cheapflights users on 9/5. 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.
Wed 10/77:25 pm -
2 stops21h 00m
Wed 10/148:00 am -
2 stops21h 59m
Deal found 9/5![Lufthansa logo]()
$729
This United Airlines deal was found by Cheapflights users on 9/9. 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 10/71:55 pm -
2 stops18h 30m
Wed 10/1411:15 am -
1 stop18h 44m
Deal found 9/9![United Airlines logo]()
$734
This Delta deal was found by Cheapflights users on 9/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/284:11 pm -
2 stops16h 49m
Fri 11/66:00 am -
2 stops19h 49m
Deal found 9/9![Delta logo]()
$621
This Justfly.com deal was found by Cheapflights users on 9/9. 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 10/286:06 pm -
2 stops20h 44m
Fri 11/612:00 pm -
1 stop14h 49m
Deal found 9/9![British Airways logo]()
$723
This United Airlines deal was found by Cheapflights users on 9/10. 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 10/2810:45 am -
2 stops20h 25m
Fri 11/610:30 am -
1 stop31h 00m
Deal found 9/10![United Airlines logo]()
$726
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 September 10, 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 September 10, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 9/9. 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 9/9![Aer Lingus logo]()
$491
This FlightHub deal was found by Cheapflights users on 9/6. 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 10/306:55 pm -
2 stops16h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![British Airways logo]()
$498
This Kiwi.com deal was found by Cheapflights users on 9/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/309:28 pm -
3 stops32h 22m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Multiple Airlines logo]()
$528
This Air Canada deal was found by Cheapflights users on 9/6. 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 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Air Canada logo]()
$1,327
This Thrive Travel deal was found by Cheapflights users on 9/6. 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 Thrive Travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/612:42 pm -
2 stops17h 03m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Multiple Airlines logo]()
$2,742
This Thrive Travel deal was found by Cheapflights users on 9/6. 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 Thrive Travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/612:42 pm -
1 stop38h 28m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![British Airways logo]()
$3,120
This Air Canada deal was found by Cheapflights users on 9/6. 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.
Sun 12/69:45 am -
3 stops17h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Air Canada logo]()
$6,733
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 September 10, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $594 (Delta) |
One-way from | $491 (Cheapflightsfares) |
Popular in | July |
Cheapest in | January |
Average price | $1,022 |
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 September 10, 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
$491
Quickest round-trip
KnoxvilleBarcelona
TYS Knoxville McGhee Tyson - BCN Barcelona-El Prat
TYSBCN
Knoxville McGhee Tyson
Fri 10/30
6:55 pm-4:35 pm
2 stops16h 40m
Barcelona-El Prat
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$498
KnoxvilleBarcelona
TYS Knoxville McGhee Tyson - BCN Barcelona-El Prat
TYSBCN
Knoxville McGhee Tyson
Fri 10/30
9:28 pm-10:50 am
3 stops32h 22m
Barcelona-El Prat
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$528
KnoxvilleBarcelona
TYS Knoxville McGhee Tyson - BCN Barcelona-El Prat
TYSBCN
Knoxville McGhee Tyson
Fri 1/15
10:05 am-8:40 am
2 stops16h 35m
Barcelona-El Prat
Sat 1/23
10:35 am-9:12 am
2 stops28h 37m
$685
KnoxvilleBarcelona
TYS Knoxville McGhee Tyson - BCN Barcelona-El Prat
TYSBCN
Knoxville McGhee Tyson
Wed 10/7
9:45 am-11:55 am
2 stops20h 10m
Barcelona-El Prat
Wed 10/14
11:15 am-11:59 pm
1 stop18h 44m
$746
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-7:51 pm
2 stops36h 16m
$754
KnoxvilleBarcelona
TYS Knoxville McGhee Tyson - BCN Barcelona-El Prat
TYSBCN
Knoxville McGhee Tyson
Tue 3/2
12:00 pm-8:35 am
2 stops14h 35m
Barcelona-El Prat
Fri 3/12
1:10 pm-11:46 pm
2 stops16h 36m
$763
KnoxvilleBarcelona
TYS Knoxville McGhee Tyson - BCN Barcelona-El Prat
TYSBCN
Knoxville McGhee Tyson
Fri 10/30
9:45 am-8:35 am
3 stops17h 50m
Barcelona-El Prat
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$1,327
KnoxvilleBarcelona
TYS Knoxville McGhee Tyson - BCN Barcelona-El Prat
TYSBCN
Knoxville McGhee Tyson
Sun 12/6
12:42 pm-11:45 am
2 stops17h 03m
Barcelona-El Prat
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$2,742
KnoxvilleBarcelona
TYS Knoxville McGhee Tyson - BCN Barcelona-El Prat
TYSBCN
Knoxville McGhee Tyson
Sun 12/6
12:42 pm-9:10 am
1 stop38h 28m
Barcelona-El Prat
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$3,120
Showing 1-10 of 11 resultsSorted 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 September.
| 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 September 10, 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.
Boarding
7.7
Crew
8.1
Comfort
7.3
Overall
7.4
Entertainment
7.1
Food
6.7
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Boarding
7.7
Crew
8.1
Comfort
7.3
Overall
7.4
Entertainment
7.1
Food
6.7
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Boarding
7.7
Crew
8.1
Comfort
7.3
Overall
7.4
Entertainment
7.1
Food
6.7
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Boarding
7.7
Crew
8.1
Comfort
7.3
Overall
7.4
Entertainment
7.1
Food
6.7
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
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
L'Hospitalet de Llobregat
El Prat de Llobregat
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Explore flights to Barcelona-El Prat departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 10, 2026.
Complete your trip
Complete your trip to Barcelona-El Prat by adding a car rental and/or hotel reservation to your travel itinerary.
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Knoxville and Barcelona-El Prat flights
Browse other Knoxville and Barcelona-El Prat flight options. Last updated on September 10, 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 September 10, 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 September 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$432 | Average$867 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$640 | Average$1,069 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$664 | Average$864 | FlexibilityNo cancel fee | On-time69% |