$352+ Cheap flights from Knoxville (TYS) to Barcelona
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/4. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — BCN
Aug 24 — Aug 311
Round-trip
1 adult, Economy
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Find cheap flights from Knoxville to Barcelona with Cheapflights
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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
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Cheapest flights from Knoxville to BarcelonaExplore the most affordable flight options available from Knoxville to Barcelona. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 25, 2026.
Explore the most affordable flight options available from Knoxville to Barcelona. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 25, 2026.
This United Airlines deal was found by Cheapflights users on 7/20. 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.
Mon 11/95:45 am
TYS
- BCN
1 stop21h 15m
United Airlines
Fri 11/131:35 pm
BCN
- TYS
2 stops37h 09m
United Airlines
Deal found 7/20![United Airlines logo]()
$749
This United deal was found by Cheapflights users on 7/21. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/118:30 am
TYS
- BCN
3 stops19h 05m
Multiple Airlines
Wed 11/181:35 pm
BCN
- TYS
2 stops36h 01m
Multiple Airlines
Deal found 7/21![Multiple Airlines logo]()
$752
This Air Canada deal was found by Cheapflights users on 7/21. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/97:20 pm
TYS
- BCN
2 stops32h 15m
Air Canada
Fri 11/131:35 pm
BCN
- TYS
2 stops31h 08m
Air Canada
Deal found 7/21![Air Canada logo]()
$763
This United Airlines deal was found by Cheapflights users on 7/21. 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.
Wed 10/282:00 pm
TYS
- BCN
2 stops22h 40m
United Airlines
Fri 11/61:35 pm
BCN
- TYS
2 stops37h 09m
United Airlines
Deal found 7/21![United Airlines logo]()
$768
This British Airways deal was found by Cheapflights users on 7/21. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/284:57 pm
TYS
- BCN
1 stop11h 38m
British Airways
Fri 11/612:00 pm
BCN
- TYS
1 stop14h 49m
British Airways
Deal found 7/21![British Airways logo]()
$769
This British Airways deal was found by Cheapflights users on 7/23. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/115:06 pm
TYS
- BCN
2 stops15h 34m
British Airways
Wed 11/1812:00 pm
BCN
- TYS
1 stop14h 49m
British Airways
Deal found 7/23![British Airways logo]()
$771
This American Airlines deal was found by Cheapflights users on 7/22. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/284:57 pm
TYS
- BCN
1 stop11h 38m
American Airlines
Fri 11/611:00 am
BCN
- TYS
1 stop15h 17m
American Airlines
Deal found 7/22![American Airlines logo]()
$774
Best flights from Knoxville to BarcelonaDiscover carefully curated flight deals from Knoxville to Barcelona that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 25, 2026.
Discover carefully curated flight deals from Knoxville to Barcelona that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 25, 2026.
This United Airlines deal was found by Cheapflights users on 7/20. 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.
Mon 11/95:45 am
TYS
- BCN
1 stop21h 15m
United Airlines
Fri 11/131:35 pm
BCN
- TYS
2 stops37h 09m
United Airlines
Deal found 7/20![United Airlines logo]()
$749
This United deal was found by Cheapflights users on 7/21. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/119:45 am
TYS
- BCN
2 stops17h 50m
Multiple Airlines
Wed 11/181:35 pm
BCN
- TYS
2 stops40h 21m
Multiple Airlines
Deal found 7/21![Multiple Airlines logo]()
$752
This American Airlines deal was found by Cheapflights users on 7/24. 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.
Wed 10/284:57 pm
TYS
- BCN
1 stop11h 38m
American Airlines
Fri 11/611:00 am
BCN
- TYS
1 stop15h 17m
American Airlines
Deal found 7/24![American Airlines logo]()
$774
This United Airlines deal was found by Cheapflights users on 7/25. 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 10/287:35 pm
TYS
- BCN
2 stops17h 05m
United Airlines
Fri 11/61:35 pm
BCN
- TYS
2 stops31h 32m
United Airlines
Deal found 7/25![United Airlines logo]()
$772
This United Airlines deal was found by Cheapflights users on 7/24. 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 am
TYS
- BCN
2 stops20h 00m
United Airlines
Fri 10/211:15 am
BCN
- TYS
1 stop29h 22m
United Airlines
Deal found 7/24![United Airlines logo]()
$817
Last-minute flights from Knoxville to BarcelonaDiscover last-minute flight deals from Knoxville to Barcelona. Data last updated July 25, 2026 and is based on user searches.
Discover last-minute flight deals from Knoxville to Barcelona. Data last updated July 25, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 7/23. 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 8/711:40 am
TYS
- BCN
2 stops28h 50m
Aer Lingus
Wed 8/1211:10 pm
BCN
- TYS
2 stops25h 12m
Aer Lingus
Deal found 7/23![Aer Lingus logo]()
$1,117
This United Airlines deal was found by Cheapflights users on 7/20. 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.
Sun 8/910:00 am
TYS
- BCN
1 stop16h 20m
United Airlines
Tue 8/2512:15 pm
BCN
- TYS
2 stops38h 09m
United Airlines
Deal found 7/20![United Airlines logo]()
$988
This American Airlines deal was found by Cheapflights users on 7/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/97:34 am
TYS
- BCN
1 stop21h 21m
American Airlines
Tue 8/2512:50 pm
BCN
- TYS
1 stop13h 17m
American Airlines
Deal found 7/20![American Airlines logo]()
$1,008
This Cheapflightsfares deal was found by Cheapflights users on 7/20. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/95:45 pm
TYS
- BCN
2 stops18h 30m
Lufthansa
Tue 8/256:40 am
BCN
- TYS
2 stops19h 44m
Lufthansa
Deal found 7/20![Lufthansa logo]()
$1,009
This FlightHub deal was found by Cheapflights users on 7/21. 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 8/144:38 pm
TYS
- BCN
2 stops19h 32m
Scandinavian Airlines
Sun 8/237:00 pm
BCN
- TYS
2 stops33h 00m
Scandinavian Airlines
Deal found 7/21![Scandinavian Airlines logo]()
$1,023
This FlightHub deal was found by Cheapflights users on 7/21. 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 8/146:52 pm
TYS
- BCN
2 stops15h 08m
British Airways
Sun 8/2310:30 am
BCN
- TYS
1 stop13h 52m
British Airways
Deal found 7/21![British Airways logo]()
$1,114
This Expedia deal was found by Cheapflights users on 7/21. 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.
Fri 8/217:20 pm
TYS
- BCN
2 stops54h 40m
Multiple Airlines
Tue 9/86:40 am
BCN
- TYS
2 stops23h 43m
Multiple Airlines
Deal found 7/21![Multiple Airlines logo]()
$898
This United Airlines deal was found by Cheapflights users on 7/21. 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.
Fri 8/2110:40 am
TYS
- BCN
1 stop20h 35m
United Airlines
Tue 9/812:00 pm
BCN
- TYS
2 stops34h 58m
United Airlines
Deal found 7/21![United Airlines logo]()
$931
This American Airlines deal was found by Cheapflights users on 7/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2111:08 am
TYS
- BCN
1 stop13h 37m
American Airlines
Tue 9/812:20 pm
BCN
- TYS
1 stop17h 31m
American Airlines
Deal found 7/21![American Airlines logo]()
$946
One-way flights from Knoxville to BarcelonaSearch for one-way flight options from Knoxville to Barcelona. Find affordable one-way fares based on user searches. Data last updated July 25, 2026.
Search for one-way flight options from Knoxville to Barcelona. Find affordable one-way fares based on user searches. Data last updated July 25, 2026.
This American Airlines deal was found by Cheapflights users on 7/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/47:14 pm
TYS
- BCN
2 stops15h 16m
American Airlines
Deal found 7/21![American Airlines logo]()
$352
This United Airlines deal was found by Cheapflights users on 7/21. 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.
Wed 11/48:30 am
TYS
- BCN
3 stops22h 45m
United Airlines
Deal found 7/21![United Airlines logo]()
$360
This Kiwi.com deal was found by Cheapflights users on 7/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/69:30 am
TYS
- BCN
3 stops32h 40m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$397
This Priceline deal was found by Cheapflights users on 7/22. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/61:16 pm
TYS
- BCN
1 stop15h 39m
Iberia
Deal found 7/22![Iberia logo]()
$463
This Air France deal was found by Cheapflights users on 7/22. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/65:00 pm
TYS
- BCN
2 stops15h 50m
Air France
Deal found 7/22![Air France logo]()
$467
This United Airlines deal was found by Cheapflights users on 7/22. 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.
Sat 9/57:20 pm
TYS
- BCN
2 stops31h 40m
United Airlines
Deal found 7/22![United Airlines logo]()
$469
Find flight deals from Knoxville to Barcelona
Discover tips and strategies to find the most affordable flight options for your journey from Knoxville (TYS) to Barcelona (S37). 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 July 25, 2026.
Round-trip from | $749 (United) |
|---|---|
One-way from | $352 (American Airlines) |
Popular in | July |
Cheapest in | January |
Average price | $1,244 |
Cheapflights Fare Finder
Customize your flight search to find flights from Knoxville to Barcelona 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 2,558,603 searches. Data last updated July 25, 2026.
Use the filters below to find and compare flights from Knoxville to Barcelona that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
KnoxvilleBarcelona
TYS - BCN
TYSBCN
Knoxville McGhee Tyson
Mon 11/9
5:45 am-9:00 am
1 stop21h 15m
Barcelona-El Prat
Fri 11/13
1:35 pm-8:44 pm
2 stops37h 09m
$749
KnoxvilleBarcelona
TYS - BCN
TYSBCN
Knoxville McGhee Tyson
Wed 11/11
9:45 am-9:35 am
2 stops17h 50m
Barcelona-El Prat
Wed 11/18
1:35 pm-11:56 pm
2 stops40h 21m
$752
KnoxvilleBarcelona
TYS - BCN
TYSBCN
Knoxville McGhee Tyson
Wed 10/28
7:35 pm-5:40 pm
2 stops17h 05m
Barcelona-El Prat
Fri 11/6
1:35 pm-3:07 pm
2 stops31h 32m
$772
Quickest round-trip
KnoxvilleBarcelona
TYS - BCN
TYSBCN
Knoxville McGhee Tyson
Wed 10/28
4:57 pm-9:35 am
1 stop11h 38m
Barcelona-El Prat
Fri 11/6
11:00 am-8:17 pm
1 stop15h 17m
$774
KnoxvilleBarcelona
TYS - BCN
TYSBCN
Knoxville McGhee Tyson
Wed 9/23
6:00 am-8:00 am
2 stops20h 00m
Barcelona-El Prat
Fri 10/2
11:15 am-10:37 am
1 stop29h 22m
$817
Cheapest one-way
Quickest one-way
KnoxvilleBarcelona
TYS - BCN
TYSBCN
Knoxville McGhee Tyson
Wed 11/4
7:14 pm-4:30 pm
2 stops15h 16m
$352
KnoxvilleBarcelona
TYS - BCN
TYSBCN
Knoxville McGhee Tyson
Wed 11/4
8:30 am-1:15 pm
3 stops22h 45m
$360
KnoxvilleBarcelona
TYS - BCN
TYSBCN
Knoxville McGhee Tyson
Sun 9/6
9:30 am-12:10 am
3 stops32h 40m
$397
KnoxvilleBarcelona
TYS - BCN
TYSBCN
Knoxville McGhee Tyson
Sat 9/5
7:20 pm-9:00 am
2 stops31h 40m
$469
Sorted by cheapest first
Best time to book a flight from Knoxville to Barcelona
Have a flexible travel schedule? Discover the best time to fly to Barcelona from Knoxville with our price prediction graph.
TYS-S37
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
TYS-S37
TYS-BCN
How much does it cost to fly round-trip from Knoxville to Barcelona?
Airfare is below average for this route at the moment.
Knoxville to Barcelona flights typically cost between $928 and $1,102 in November.The cheapest round-trip price found within the last 5 days was $749 on United Airlines (Nov 9-Nov 13).
Reviews of airlines servicing Barcelona
Get insights into the airlines that provide service to Barcelona. 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. Reviews last updated July 25, 2026.
Read reviews from past customers who have flown United Airlines,American Airlines, andBritish Airways from Knoxville to Barcelona. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.1
Food
6.6
Comfort
7.3
Overall
7.4
Crew
8.1
Boarding
7.7
Reviews
1 / 20
6.0
GoodROHIT,Jun 2026
IND - EWR
Entertainment
7.1
Food
6.6
Comfort
7.3
Overall
7.4
Crew
8.1
Boarding
7.7
Reviews
1 / 20
6.0
GoodROHIT,Jun 2026
IND - EWR
Entertainment
7.1
Food
6.6
Comfort
7.3
Overall
7.4
Crew
8.1
Boarding
7.7
Reviews
1 / 20
6.0
GoodROHIT,Jun 2026
IND - EWR
Entertainment
7.1
Food
6.6
Comfort
7.3
Overall
7.4
Crew
8.1
Boarding
7.7
Reviews
1 / 20
6.0
GoodROHIT,Jun 2026
IND - EWR
Related info for your journey
Find useful and relevant information for your journey from Knoxville to Barcelona. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Complete your trip
Complete your trip to Barcelona by adding a car rental and/or hotel reservation to your travel itinerary.
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Knoxville and Barcelona flights
Browse other Knoxville and Barcelona flight options. Last updated on July 25, 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 July 25, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 3 airlines flying from Knoxville to Barcelona
Discover the top 3 airlines that operate flights from Knoxville to Barcelona. 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 2,558,603 searches. Data last updated July 25, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$432 | Average$648 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$605 | Average$880 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$664 | Average$864 | FlexibilityNo cancel fee | On-time69% |