Cheap Flights from San Diego to Cardiff
Browse current best options from San Diego. Become a member to unlock all deals and get alerts when new deals appear.
Deals from
San Diego
RatePunk searches hundreds of travel sites at once for deals on flights to Cardiff
Prices updated 6 days ago
406 airlines compared
80%+ AI score for best value
Fares are subject to change and may not be available for all dates. (Data last updated Aug 2, 2026.)
Today’s best flight deals from San Diego to Cardiff
Explore current cheapest deals departing from San Diego to Cardiff
2026-10-18 – 2026-10-21
SAN - Cardiff
86% AI deal score
$1,202
$932
Round trip
2026-09-01 – 2026-09-07
SAN - Cardiff
86% AI deal score
$1,198
$933
Round trip
2026-09-06 – 2026-09-10
SAN - Cardiff
87% AI deal score
$1,234
$935
Round trip
2026-09-06 – 2026-09-12
SAN - Cardiff
85% AI deal score
$1,184
$944
Round trip
2026-09-06 – 2026-09-08
SAN - Cardiff
86% AI deal score
$1,236
$944
Round trip
2026-10-11 – 2026-10-21
SAN - Cardiff
80% AI deal score
$1,129
$953
Round trip
2026-08-25 – 2026-09-03
SAN - Cardiff
87% AI deal score
$1,366
$999
Round trip
2026-08-25 – 2026-09-10
SAN - Cardiff
87% AI deal score
$1,324
$999
Round trip
2026-09-25 – 2026-10-21
SAN - Cardiff
78% AI deal score
$1,116
$1,000
Round trip
2026-10-20 – 2026-10-21
SAN - Cardiff
79% AI deal score
$1,197
$1,000
Round trip
