Cheap flights from Seattle to Barcelona
Flights from Seattle to Barcelona currently start at €355. Below are the cheapest dates, typical duration and airlines on this route. Search live fares when you are ready to book — prices change during the day.
Prices refresh daily · per adult · Typical time: 12h 32m
Key facts
- Lowest fare
- €355 · Wed 25 Nov
- Direct flights
- No, with connections only
- Flight time
- 12h 32m
- Airlines
- Alaska Airlines
- Distance
- 8729 km
Round trip
No cached fares for this month yet. Run a live search.
One way
Questions people ask before they book
How much are flights from Seattle to Barcelona?
The lowest fare we currently show from Seattle to Barcelona is €355 for one adult. That price is tied to specific dates and can sell out.
Are there direct flights from Seattle to Barcelona?
Current cheap fares from Seattle to Barcelona include a connection. Search live results and filter by Direct in case a nonstop seat opens up.
Which airlines fly from Seattle to Barcelona?
Airlines showing fares on this route include Alaska Airlines. The cheapest airline is not always the one with a bag included.
How long is the flight from Seattle to Barcelona?
A typical itinerary from Seattle to Barcelona takes about 12h 32m, including connections when the cheapest fare is not direct.
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November 2026