
$663 Cheap Finnair flights from Barcelona to Seattle (BCN to SEA)
Find The Best Day To Fly from Barcelona to Seattle
Amazing Finnair BCN to SEA Flight Deals
The cheapest flights to Seattle - Tacoma Intl. found within the past 7 days were $1,806 round trip and $663 one way. Prices and availability subject to change. Additional terms may apply.
Discover our best Finnair flight from Barcelona BCN to Seattle SEA
To find the best deals on flights to Barcelona from Seattle with Finnair, just enter your travel dates, filter by Finnair, and hit search. You’ll find flights to choose from and can sort by price, flight duration, and arrival or departure time.
Return flights from Barcelona BCN to Seattle SEA with Finnair
If you’re planning a round trip, booking return flights with Finnair is usually the most cost-effective option. With airfares ranging from $1,806 to $1,806, it’s easy to find a flight that suits your budget. Prices and availability subject to change. Additional terms may apply.
Book one-way Finnair flights from Barcelona BCN to Seattle SEA
A one-way ticket gives you much greater flexibility—allowing you to choose your return date, destination, and time whenever you’re ready. By booking in advance you can find great deals on one-way tickets too. Right now, a one-way Finnair flight from Barcelona to Seattle costs from $663. Prices and availability subject to change. Additional terms may apply.
The easy way to find cheap flights to Seattle SEA from Barcelona BCN with Finnair
To find a cheap Finnair flight from Barcelona BCN to Seattle SEA, sort your search results by price or filter by budget. Thanks to Travelocity’s Price Match Promise, if you find a better airfare deal anywhere else within 24 hours, we’ll credit or refund the difference.
How to find our best airfare deals on Finnair flights from Barcelona BCN to Seattle SEA
If you’re looking for cheap flights, it helps to be flexible when it comes to your travel dates. You’ll usually find lower cost tickets when you travel during quieter months such as July, or if you book a flight with a stopover.
Find nonstop flights from Barcelona BCN to Seattle SEA with Finnair
If you’re keen to be on Seattle soil fast, don’t waste time with a stopover—filter your search results to show direct Finnair flights only. The journey takes around hour(s) min(s) – so you’ll be there before you know it.
Flexible airline tickets for Finnair flights from Barcelona BCN to Seattle SEA
Make sure you’re not out of pocket if plans change by choosing a flexible ticket with penalty-free amendment and cancellation options. Use our ‘no change fee’ filter to see which flights have this option.
There are a lot of reasons to book your flights to Seattle SEA from Barcelona BCN with Finnair on Travelocity
At Travelocity our vast and up-to-the-minute inventory puts all of our best flight deals in one place. So, whether you’re traveling on business or jetting off with friends and family, you can trust Travelocity to get you there.
Airport code | Country | Airport name | Number of flights |
|---|---|---|---|
| HEL | FIN | Vantaa | 17 |
| BGO | NOR | Flesland | 12 |
| LHR | GBR | Heathrow | 10 |
| CTS | JPN | New Chitose | 4 |
| FRO | NOR | Floro | 4 |
| OSL | NOR | Gardermoen | 4 |
| KEF | ISL | Keflavik Intl. | 4 |
| JFK | USA | John F. Kennedy Intl. | 4 |
| PVG | CHN | Pudong Intl. | 4 |
| TOS | NOR | Langnes | 3 |
Travelers ❤️ these 🏨 after their flight to Seattle

DoubleTree by Hilton Seattle Airport
Staff doesn’t tell you about the stairs up and down if you’re located in a wing room.
Reviewed on Mar 24, 2026

Coast Gateway Hotel
Location was great if you’re needing to be close to SEATAC. Security was very visible which made me feel pretty safe. The front door was locked when I got there around 1am. Security guard offered to let me it, as soon as the front desk person noticed me. I don’t wait long at all. The check in process ...
Reviewed on Mar 24, 2026

Country Inn & Suites by Radisson, Seattle-Tacoma International Airport, WA
Absolutely happy we choose to stay here. Everything and everyone was incredible nice. Good breakfast and nice shuttle drives. Alma at the front desk was super helpful at check in and gave us good advice to move around. Definitely will be staying there again
Reviewed on Mar 24, 2026
