$342+ Cheap flights from Knoxville (TYS) to Barcelona
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 4/25. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — BCN
Dec 4 — Dec 111
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 November 4, 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 November 4, 2026.
This eDestinos deal was found by Cheapflights users on 11/3. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/111:49 am -
2 stops14h 46m
Tue 12/810:50 am -
1 stop17h 27m
Deal found 11/3![Virgin Atlantic logo]()
$750
This Delta deal was found by Cheapflights users on 11/3. 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 12/17:00 am -
2 stops19h 35m
Tue 12/810:35 am -
2 stops17h 42m
Deal found 11/3![Delta logo]()
$769
This American Airlines deal was found by Cheapflights users on 10/31. 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.
Tue 12/155:17 pm -
2 stops15h 23m
Tue 12/2212:00 pm -
1 stop14h 57m
Deal found 10/31![American Airlines logo]()
$867
This KLM deal was found by Cheapflights users on 11/3. 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.
Fri 11/68:35 am -
1 stop18h 05m
Sat 11/1410:50 am -
1 stop17h 22m
Deal found 11/3![KLM logo]()
$906
This United Airlines deal was found by Cheapflights users on 10/31. 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 11/65:40 pm -
1 stop13h 35m
Sat 11/1410:30 am -
1 stop15h 06m
Deal found 10/31![United Airlines logo]()
$907
This United Airlines deal was found by Cheapflights users on 11/1. 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 12/237:35 pm -
1 stop31h 25m
Tue 12/2910:30 am -
1 stop19h 45m
Deal found 11/1![United Airlines logo]()
$926
This United Airlines deal was found by Cheapflights users on 11/1. 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 12/249:30 am -
2 stops26h 05m
Tue 12/2910:30 am -
1 stop19h 45m
Deal found 11/1![United Airlines logo]()
$951
This United Airlines deal was found by Cheapflights users on 11/1. 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 12/237:35 pm -
1 stop31h 25m
Wed 12/301:50 pm -
2 stops37h 01m
Deal found 11/1![United Airlines logo]()
$960
This eDestinos deal was found by Cheapflights users on 11/3. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/111:34 am -
2 stops17h 16m
Tue 12/811:30 am -
2 stops17h 56m
Deal found 11/3![Aer Lingus logo]()
$977
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 November 4, 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 November 4, 2026.
This Justfly.com deal was found by Cheapflights users on 11/4. 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 4/1411:31 am -
1 stop13h 14m
Wed 4/2110:30 am -
1 stop15h 48m
Deal found 11/4![British Airways logo]()
$736
This United Airlines deal was found by Cheapflights users on 10/31. 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 2/15:55 pm -
2 stops32h 25m
Fri 2/51:35 pm -
2 stops50h 35m
Deal found 10/31![United Airlines logo]()
$744
This Delta deal was found by Cheapflights users on 11/3. 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 12/17:00 am -
2 stops19h 35m
Tue 12/810:35 am -
2 stops17h 42m
Deal found 11/3![Delta logo]()
$769
This Expedia deal was found by Cheapflights users on 11/3. 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.
Sun 2/2811:39 am -
2 stops20h 31m
Sat 3/611:00 am -
1 stop18h 59m
Deal found 11/3![Multiple Airlines logo]()
$789
This United Airlines deal was found by Cheapflights users on 11/2. 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 2/169:40 am -
1 stop17h 20m
Thu 2/1810:30 am -
1 stop19h 29m
Deal found 11/2![United Airlines logo]()
$744
This United Airlines deal was found by Cheapflights users on 11/2. 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 2/62:04 pm -
2 stops37h 31m
Sat 2/1311:00 am -
1 stop14h 51m
Deal found 11/2![United Airlines logo]()
$802
This United Airlines deal was found by Cheapflights users on 11/2. 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 2/62:04 pm -
2 stops37h 31m
Sun 2/146:50 am -
2 stops18h 45m
Deal found 11/2![United Airlines logo]()
$805
Last-minute flights from Knoxville to BarcelonaDiscover last-minute flight deals from Knoxville to Barcelona. Data last updated November 4, 2026 and is based on user searches.
Discover last-minute flight deals from Knoxville to Barcelona. Data last updated November 4, 2026 and is based on user searches.
This KLM deal was found by Cheapflights users on 11/3. 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.
Fri 11/68:35 am -
1 stop18h 05m
Sat 11/1410:50 am -
1 stop17h 22m
Deal found 11/3![KLM logo]()
$906
This United Airlines deal was found by Cheapflights users on 10/31. 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 11/610:33 am -
2 stops16h 27m
Sat 11/1410:30 am -
2 stops16h 24m
Deal found 10/31![United Airlines logo]()
$907
This eDestinos deal was found by Cheapflights users on 11/3. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/111:49 am -
2 stops14h 46m
Tue 12/810:50 am -
1 stop17h 27m
Deal found 11/3![Virgin Atlantic logo]()
$750
This Delta deal was found by Cheapflights users on 11/3. 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 12/17:00 am -
2 stops19h 35m
Tue 12/810:35 am -
2 stops17h 42m
Deal found 11/3![Delta logo]()
$769
This eDestinos deal was found by Cheapflights users on 11/3. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/111:34 am -
2 stops17h 16m
Tue 12/811:30 am -
2 stops17h 56m
Deal found 11/3![Aer Lingus logo]()
$977
This American Airlines deal was found by Cheapflights users on 10/31. 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.
Tue 12/155:17 pm -
2 stops15h 23m
Tue 12/2212:00 pm -
1 stop14h 57m
Deal found 10/31![American Airlines logo]()
$867
This United Airlines deal was found by Cheapflights users on 11/1. 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 12/237:35 pm -
1 stop31h 25m
Tue 12/2910:30 am -
1 stop19h 45m
Deal found 11/1![United Airlines logo]()
$926
This United Airlines deal was found by Cheapflights users on 11/1. 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 12/237:35 pm -
1 stop31h 25m
Wed 12/301:50 pm -
2 stops37h 01m
Deal found 11/1![United Airlines logo]()
$960
This United Airlines deal was found by Cheapflights users on 11/1. 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 12/249:30 am -
2 stops26h 05m
Tue 12/2910:30 am -
1 stop19h 45m
Deal found 11/1![United Airlines logo]()
$951
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 November 4, 2026.
Search for one-way flight options from Knoxville to Barcelona. Find affordable one-way fares based on user searches. Data last updated November 4, 2026.
This FlightHub deal was found by Cheapflights users on 11/2. 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.
Sun 4/256:38 pm -
2 stops21h 52m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![British Airways logo]()
$342
This Air Canada deal was found by Cheapflights users on 11/1. 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 4/2510:16 am -
3 stops15h 44m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/1![Air Canada logo]()
$923
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 November 4, 2026.
Round-trip from | $744 (United Airlines) |
|---|---|
One-way from | $342 (FlightHub) |
Popular in | November |
Cheapest in | January |
Average price | $1,722 |
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 7,457,451 searches. Data last updated November 4, 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
Quickest round-trip
KnoxvilleBarcelona
TYS Knoxville McGhee Tyson - BCN Barcelona-El Prat
TYSBCN
Knoxville McGhee Tyson
Sun 4/25
11:31 am-6:45 am
1 stop13h 14m
Barcelona-El Prat
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$342
KnoxvilleBarcelona
TYS Knoxville McGhee Tyson - BCN Barcelona-El Prat
TYSBCN
Knoxville McGhee Tyson
Sun 4/25
11:31 am-6:45 am
1 stop13h 14m
Barcelona-El Prat
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$345
KnoxvilleBarcelona
TYS Knoxville McGhee Tyson - BCN Barcelona-El Prat
TYSBCN
Knoxville McGhee Tyson
Wed 4/14
11:31 am-6:45 am
1 stop13h 14m
Barcelona-El Prat
Wed 4/21
10:30 am-8:18 pm
1 stop15h 48m
$736
KnoxvilleBarcelona
TYS Knoxville McGhee Tyson - BCN Barcelona-El Prat
TYSBCN
Knoxville McGhee Tyson
Mon 2/1
5:55 pm-8:20 am
2 stops32h 25m
Barcelona-El Prat
Fri 2/5
1:35 pm-10:10 am
2 stops50h 35m
$744
KnoxvilleBarcelona
TYS Knoxville McGhee Tyson - BCN Barcelona-El Prat
TYSBCN
Knoxville McGhee Tyson
Tue 2/16
9:40 am-9:00 am
1 stop17h 20m
Barcelona-El Prat
Thu 2/18
10:30 am-11:59 pm
1 stop19h 29m
$744
KnoxvilleBarcelona
TYS Knoxville McGhee Tyson - BCN Barcelona-El Prat
TYSBCN
Knoxville McGhee Tyson
Tue 12/1
7:00 am-8:35 am
2 stops19h 35m
Barcelona-El Prat
Tue 12/8
10:35 am-10:17 pm
2 stops17h 42m
$769
KnoxvilleBarcelona
TYS Knoxville McGhee Tyson - BCN Barcelona-El Prat
TYSBCN
Knoxville McGhee Tyson
Sun 2/28
11:39 am-2:10 pm
2 stops20h 31m
Barcelona-El Prat
Sat 3/6
11:00 am-11:59 pm
1 stop18h 59m
$789
KnoxvilleBarcelona
TYS Knoxville McGhee Tyson - BCN Barcelona-El Prat
TYSBCN
Knoxville McGhee Tyson
Sat 2/6
2:04 pm-9:35 am
2 stops37h 31m
Barcelona-El Prat
Sat 2/13
11:00 am-7:51 pm
1 stop14h 51m
$802
KnoxvilleBarcelona
TYS Knoxville McGhee Tyson - BCN Barcelona-El Prat
TYSBCN
Knoxville McGhee Tyson
Sat 2/6
2:04 pm-9:35 am
2 stops37h 31m
Barcelona-El Prat
Sun 2/14
6:50 am-7:35 pm
2 stops18h 45m
$805
KnoxvilleBarcelona
TYS Knoxville McGhee Tyson - BCN Barcelona-El Prat
TYSBCN
Knoxville McGhee Tyson
Sun 4/25
10:16 am-8:00 am
3 stops15h 44m
Barcelona-El Prat
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$923
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
No data available for this route at this time. Please check back soon.
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 November 4, 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.
Food
6.7
Overall
7.3
Comfort
7.3
Entertainment
7.1
Crew
8.1
Boarding
7.7
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
Food
6.7
Overall
7.3
Comfort
7.3
Entertainment
7.1
Crew
8.1
Boarding
7.7
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
Food
6.7
Overall
7.3
Comfort
7.3
Entertainment
7.1
Crew
8.1
Boarding
7.7
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
Food
6.7
Overall
7.3
Comfort
7.3
Entertainment
7.1
Crew
8.1
Boarding
7.7
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. 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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Alternative routes for Knoxville to Barcelona
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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.
Search flights from Knoxville to Barcelona by cabin class
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 November 4, 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 November 4, 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 7,457,451 searches. Data last updated November 4, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$432 | Average$843 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$640 | Average$1,069 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$664 | Average$864 | FlexibilityNo cancel fee | On-time69% |