Seattle to Barcelona (SEA → BCN). We are tracking 10 fares on this route.
Cheapest tracked fare $334 · typical price $731 · you save about $397 (54%)
Cheapest fares we're tracking
Airline
Departs
Stops
Price
Icelandair
2026-10-10
3 stops
$334
Icelandair
2026-10-08
3 stops
$337
WestJet
2026-10-19
1 stop
$351
Icelandair
2026-09-28
1 stop
$363
Icelandair
2026-10-12
1 stop
$375
Icelandair
2026-09-21
1 stop
$383
British Airways
2026-10-05
1 stop
$457
British Airways
2026-10-26
1 stop
$457
British Airways
2026-11-09
1 stop
$457
Delta, Air France
2026-11-02
1 stop
$463
Could you save more?
The airport you were going to fly from is often not the cheapest one. Compare every airport in a region against each other, or check whether a multi-day stopover beats the direct fare.
How cheap can flights from Seattle to Barcelona get?
The cheapest fare we have tracked on this route is $334, compared with a typical $731 for a trip of this distance.
Is it cheaper to fly to Barcelona from a different airport?
Often, yes. Fares out of secondary airports are frequently cheaper than the obvious hub, but they are the ones most likely to be missing from a normal search. Our reverse search compares every airport in a region against each other so the cheaper departure point is not hidden.
Could a stopover make Seattle to Barcelona cheaper?
Sometimes. On thin long-haul routes a two-leg trip with a multi-day stopover can beat the direct fare, and occasionally a direct fare is not sold at all. Our detour search prices those routings against the direct flight.