Cheap Flights from Knoxville to Barcelona
Browse current best options from Knoxville. Become a member to unlock all deals and get alerts when new deals appear.
Deals from
Knoxville
RatePunk searches hundreds of travel sites at once for deals on flights to Barcelona
Prices updated 3 days ago
481 airlines compared
80%+ AI score for best value
Fares are subject to change and may not be available for all dates. (Data last updated Oct 19, 2026.)
Today’s best flight deals from Knoxville to Barcelona
Explore current cheapest deals departing from Knoxville to Barcelona
2026-11-12 – 2026-12-09
TYS - Barcelona
75% AI deal score
$599
$710
Round trip
2026-11-12 – 2026-12-07
TYS - Barcelona
74% AI deal score
$599
$710
Round trip
2026-11-12 – 2026-12-10
TYS - Barcelona
75% AI deal score
$599
$711
Round trip
2026-11-12 – 2026-12-08
TYS - Barcelona
75% AI deal score
$599
$717
Round trip
2026-11-12 – 2026-12-11
TYS - Barcelona
75% AI deal score
$599
$742
Round trip
2027-03-23 – 2027-03-30
TYS - Barcelona
77% AI deal score
$744
$743
Round trip
2026-11-12 – 2026-12-12
TYS - Barcelona
75% AI deal score
$599
$744
Round trip
2027-02-17 – 2027-02-24
TYS - Barcelona
76% AI deal score
$634
$746
Round trip
2027-01-20 – 2027-01-27
TYS - Barcelona
76% AI deal score
$703
$746
Round trip
2027-01-19 – 2027-01-26
TYS - Barcelona
76% AI deal score
$702
$746
Round trip
