$360+ 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 10/3. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — BCN
May 9 — May 161
Round-trip
1 adult, Economy
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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 April 9, 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 April 9, 2026.
This American Airlines deal was found by Cheapflights users on 4/8. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/49:47 am
TYS
- BCN
1 stop15h 48m
American Airlines
Thu 10/1510:45 am
BCN
- TYS
1 stop18h 50m
American Airlines
Deal found 4/8![American Airlines logo]()
$769
This United Airlines deal was found by Cheapflights users on 4/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/285:45 am
TYS
- BCN
2 stops21h 50m
United Airlines
Fri 11/63:05 pm
BCN
- TYS
1 stop15h 09m
United Airlines
Deal found 4/6![United Airlines logo]()
$772
This United Airlines deal was found by Cheapflights users on 4/4. 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 12/72:20 pm
TYS
- BCN
1 stop12h 00m
United Airlines
Fri 12/1110:30 am
BCN
- TYS
1 stop34h 12m
United Airlines
Deal found 4/4![United Airlines logo]()
$775
This United Airlines deal was found by Cheapflights users on 4/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/236:30 am
TYS
- BCN
2 stops19h 30m
United Airlines
Fri 10/28:00 am
BCN
- TYS
2 stops18h 22m
United Airlines
Deal found 4/6![United Airlines logo]()
$776
This Delta deal was found by Cheapflights users on 4/5. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/285:15 pm
TYS
- BCN
2 stops16h 45m
Delta
Fri 11/66:00 am
BCN
- TYS
2 stops21h 45m
Delta
Deal found 4/5![Delta logo]()
$778
This Travelocity deal was found by Cheapflights users on 4/8. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/46:19 pm
TYS
- BCN
2 stops13h 56m
British Airways
Thu 10/1512:00 pm
BCN
- TYS
2 stops15h 38m
British Airways
Deal found 4/8![British Airways logo]()
$782
This FlightHub deal was found by Cheapflights users on 4/8. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/56:21 am
TYS
- BCN
1 stop20h 44m
British Airways
Wed 10/1412:20 pm
BCN
- TYS
1 stop14h 44m
British Airways
Deal found 4/8![British Airways logo]()
$786
This British Airways deal was found by Cheapflights users on 4/7. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/281:45 pm
TYS
- BCN
2 stops16h 25m
British Airways
Fri 11/610:35 am
BCN
- TYS
2 stops16h 29m
British Airways
Deal found 4/7![British Airways logo]()
$794
This Iberia deal was found by Cheapflights users on 4/7. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/286:54 pm
TYS
- BCN
2 stops17h 16m
Multiple Airlines
Fri 11/63:05 pm
BCN
- TYS
1 stop14h 40m
Multiple Airlines
Deal found 4/7![Multiple Airlines logo]()
$795
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 April 9, 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 April 9, 2026.
This British Airways deal was found by Cheapflights users on 4/7. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/236:21 am
TYS
- BCN
1 stop19h 14m
British Airways
Fri 10/210:15 am
BCN
- TYS
2 stops17h 00m
British Airways
Deal found 4/7![British Airways logo]()
$802
This United Airlines deal was found by Cheapflights users on 4/4. 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 9/15:45 am
TYS
- BCN
2 stops26h 40m
United Airlines
Fri 9/1112:15 pm
BCN
- TYS
2 stops34h 44m
United Airlines
Deal found 4/4![United Airlines logo]()
$824
This United Airlines deal was found by Cheapflights users on 4/5. 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.
Thu 9/1010:00 am
TYS
- BCN
1 stop16h 20m
United Airlines
Tue 9/2211:15 am
BCN
- TYS
1 stop18h 42m
United Airlines
Deal found 4/5![United Airlines logo]()
$896
Last-minute flights from Knoxville to BarcelonaDiscover last-minute flight deals from Knoxville to Barcelona. Data last updated April 9, 2026 and is based on user searches.
Discover last-minute flight deals from Knoxville to Barcelona. Data last updated April 9, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 4/6. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/157:20 pm
TYS
- BCN
2 stops21h 05m
Lufthansa
Fri 4/246:40 am
BCN
- TYS
2 stops21h 54m
Lufthansa
Deal found 4/6![Lufthansa logo]()
$906
This American Airlines deal was found by Cheapflights users on 4/6. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/155:57 pm
TYS
- BCN
2 stops14h 18m
American Airlines
Fri 4/243:30 pm
BCN
- TYS
1 stop14h 29m
American Airlines
Deal found 4/6![American Airlines logo]()
$949
This United Airlines deal was found by Cheapflights users on 4/5. 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 4/155:53 pm
TYS
- BCN
1 stop13h 22m
United Airlines
Fri 4/243:15 pm
BCN
- TYS
1 stop13h 19m
United Airlines
Deal found 4/5![United Airlines logo]()
$953
This Delta deal was found by Cheapflights users on 4/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/153:01 pm
TYS
- BCN
1 stop15h 49m
Delta
Fri 4/246:20 am
BCN
- TYS
2 stops22h 39m
Delta
Deal found 4/6![Delta logo]()
$958
This United Airlines deal was found by Cheapflights users on 4/5. 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.
Fri 4/179:40 am
TYS
- BCN
1 stop16h 40m
United Airlines
Fri 5/112:15 pm
BCN
- TYS
2 stops32h 19m
United Airlines
Deal found 4/5![United Airlines logo]()
$983
This United Airlines deal was found by Cheapflights users on 4/4. 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 5/42:25 pm
TYS
- BCN
1 stop11h 55m
United Airlines
Sun 8/301:15 pm
BCN
- TYS
2 stops37h 33m
United Airlines
Deal found 4/4![United Airlines logo]()
$926
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 April 9, 2026.
Search for one-way flight options from Knoxville to Barcelona. Find affordable one-way fares based on user searches. Data last updated April 9, 2026.
This oojo deal was found by Cheapflights users on 4/8. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/38:39 pm
TYS
- BCN
2 stops33h 01m
British Airways
Deal found 4/8![British Airways logo]()
$360
This Justfly.com deal was found by Cheapflights users on 4/4. 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 5/67:50 am
TYS
- BCN
2 stops32h 40m
Aer Lingus
Deal found 4/4![Aer Lingus logo]()
$434
This oojo deal was found by Cheapflights users on 4/6. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/101:45 pm
TYS
- BCN
2 stops16h 35m
British Airways
Deal found 4/6![British Airways logo]()
$476
This TravelUp deal was found by Cheapflights users on 4/6. 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1010:00 am
TYS
- BCN
1 stop16h 20m
Lufthansa
Deal found 4/6![Lufthansa logo]()
$485
This Kiwi.com deal was found by Cheapflights users on 4/8. 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.
Thu 9/107:00 am
TYS
- BCN
3 stops35h 55m
Multiple Airlines
Deal found 4/8![Multiple Airlines logo]()
$495
This United Airlines deal was found by Cheapflights users on 4/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/105:45 am
TYS
- BCN
1 stop20h 35m
United Airlines
Deal found 4/8![United Airlines logo]()
$512
This Kiwi.com deal was found by Cheapflights users on 4/8. 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.
Sat 10/38:10 am
TYS
- BCN
3 stops44h 00m
Multiple Airlines
Deal found 4/8![Multiple Airlines logo]()
$526
This Justfly.com deal was found by Cheapflights users on 4/8. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/155:06 pm
TYS
- BCN
2 stops23h 24m
Aer Lingus
Deal found 4/8![Aer Lingus logo]()
$535
This Kiwi.com deal was found by Cheapflights users on 4/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/17:10 am
TYS
- BCN
3 stops34h 25m
Multiple Airlines
Deal found 4/5![Multiple Airlines logo]()
$546
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 April 9, 2026.
Round-trip from | $769 (American Airlines) |
|---|---|
One-way from | $360 (oojo) |
Popular in | June |
Cheapest in | January |
Average price | $815 |
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 April 9, 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
Wed 9/23
6:21 am-7:35 am
1 stop19h 14m
Barcelona-El Prat
Fri 10/2
10:15 am-9:15 pm
2 stops17h 00m
$802
KnoxvilleBarcelona
TYS - BCN
TYSBCN
Knoxville McGhee Tyson
Tue 9/1
5:45 am-2:25 pm
2 stops26h 40m
Barcelona-El Prat
Fri 9/11
12:15 pm-4:59 pm
2 stops34h 44m
$824
Quickest round-trip
KnoxvilleBarcelona
TYS - BCN
TYSBCN
Knoxville McGhee Tyson
Thu 9/10
10:00 am-8:20 am
1 stop16h 20m
Barcelona-El Prat
Tue 9/22
11:15 am-11:57 pm
1 stop18h 42m
$896
Cheapest one-way
KnoxvilleBarcelona
TYS - BCN
TYSBCN
Knoxville McGhee Tyson
Sat 10/3
8:39 pm-11:40 am
2 stops33h 01m
$360
KnoxvilleBarcelona
TYS - BCN
TYSBCN
Knoxville McGhee Tyson
Wed 5/6
7:50 am-10:30 pm
2 stops32h 40m
$434
KnoxvilleBarcelona
TYS - BCN
TYSBCN
Knoxville McGhee Tyson
Thu 9/10
10:00 am-8:20 am
1 stop16h 20m
$485
KnoxvilleBarcelona
TYS - BCN
TYSBCN
Knoxville McGhee Tyson
Thu 9/10
7:00 am-12:55 am
3 stops35h 55m
$495
KnoxvilleBarcelona
TYS - BCN
TYSBCN
Knoxville McGhee Tyson
Thu 9/10
5:45 am-8:20 am
1 stop20h 35m
$512
KnoxvilleBarcelona
TYS - BCN
TYSBCN
Knoxville McGhee Tyson
Sat 10/3
8:10 am-10:10 am
3 stops44h 00m
$526
KnoxvilleBarcelona
TYS - BCN
TYSBCN
Knoxville McGhee Tyson
Mon 6/1
7:10 am-11:35 pm
3 stops34h 25m
$546
Showing 1-10 of 11 resultsSorted 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
What is the cheapest month to book a flight from Knoxville to Barcelona?
Currently, March is the cheapest month in which you can book a flight from Knoxville to Barcelona (average of $432). Flying from Knoxville to Barcelona in June is currently the most expensive (average of $950). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
How much does it cost to fly round-trip from Knoxville to Barcelona?
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 April 9, 2026.
Read reviews from past customers who have flown Delta,United Airlines, andAmerican Airlines 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.
Crew
8.5
Food
7.2
Overall
7.9
Entertainment
7.8
Boarding
8.1
Comfort
7.9
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Crew
8.5
Food
7.2
Overall
7.9
Entertainment
7.8
Boarding
8.1
Comfort
7.9
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Crew
8.5
Food
7.2
Overall
7.9
Entertainment
7.8
Boarding
8.1
Comfort
7.9
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Crew
8.5
Food
7.2
Overall
7.9
Entertainment
7.8
Boarding
8.1
Comfort
7.9
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Crew
8.5
Food
7.2
Overall
7.9
Entertainment
7.8
Boarding
8.1
Comfort
7.9
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
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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Find flights from Knoxville to Barcelona, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Knoxville and Barcelona flights
Browse other Knoxville and Barcelona flight options. Last updated on April 9, 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 April 9, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 4 airlines flying from Knoxville to Barcelona
Discover the top 4 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 April 9, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$432 | Average$668 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$433 | Average$1,276 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$512 | Average$1,086 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$664 | Average$887 | FlexibilityNo cancel fee | On-time69% |