Cheap flights from Seattle to Barcelona

Flight deals from Seattle to Barcelona

Below you can see the best deals on flights Seattle — Barcelona for upcoming dates. Direct and connecting flights from various airlines — compare prices and choose the right ticket.

The lowest price for the next 2 months is on 9 October, from $285.

Top 10 cheap flights from Seattle to Barcelona

When is the best time to book a flight from Seattle to Barcelona?

The price of a flight from Seattle to Barcelona changes depending on how far ahead you book. For the best chance of a lower fare, book around 19 days before departure, when the average ticket costs about $523. Fares also tend to climb as the departure date gets closer.

About the Seattle — Barcelona flight

Looking for cheap flights from Seattle to Barcelona? Compare fares from different airlines, check the flight schedule and travel time — and book your Seattle — Barcelona ticket online at the best price.

The route has direct flights — around 6 flights per week, flights are operated by Delta, a nonstop flight takes about 12 h 45 min, the distance between the cities is around 8,737 km.

Planning your trip? You may find our Barcelona travel guide, how to get from the airport into town and Barcelona weather forecast useful. To catch a low fare, use the low-price calendar and the monthly price chart on this page.

from $285Min. price

OctoberCheapest

AugustPeak season

YesDirect flights

8,737 kmDistance

12 h 45 minTravel time

1Airlines

6 / wkFlights

Flight schedule from Seattle to Barcelona

The table shows direct flights from Seattle to Barcelona on the selected date. The flight takes approximately 12 h 45 min. Regular flights are operated by Delta. Departures from Seattle-Tacoma International Airport and Paine Field airports, arrivals at Barcelona-El Prat Airport.

For each flight, the following details are shown: departure time (local), arrival city and airport, flight number and airline, terminal or gate, and status. Click on a flight to open its details and go to ticket search. To view flights on a different day, change the date above the table.

Today

Any time

Last update: 25 Aug 2026

Airline

Flight

Departure

Arrival

Duration

Days

Status

Below is a calendar of the lowest flight ticket prices for Seattle — Barcelona by day. Pick a convenient date and instantly see the fare. The cheapest flights on this route start from $285 in October, and the most expensive are around $386 in August. If your travel dates are flexible, the calendar will help you find the best price for your preferred period. To view round-trip fares, switch to the "Round trip" tab above the calendar, select your departure date — and the right-hand calendar will highlight the lowest prices for return flights on each day.

Prices by month

Average one-way fares from Seattle to Barcelona by month. Tickets are usually cheapest in January (around $458) and priciest in June (about $758) — use the table and chart below to pick the best time to fly.

Month	Average price	Level	Month	Average price	Level	Month	Average price	Level
Jan	$458	low	May	$608	medium	Sep	$580	medium
Feb	$477	low	Jun	$758	high	Oct	$496	low
Mar	$533	medium	Jul	$730	high	Nov	$487	low
Apr	$561	medium	Aug	$692	high	Dec	$655	high

Some values are estimated based on seasonality.

When to fly

Weather in Barcelona: it is warmest in July (up to 29 °C on average) and coolest in January (around 13 °C). The driest month is December.

Tickets are usually cheapest in October and most expensive in August. Compare prices and weather by month in the charts below to pick the best time to fly.

Temperature · Barcelona

Dry and wet days · Barcelona

Wind speed and direction · Barcelona

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How to get the best deal on a Seattle — Barcelona ticket

Book ahead: fares for Seattle — Barcelona are usually lower 3–8 weeks before departure than at the last minute.
Play with your dates — Tuesday, Wednesday and Saturday departures are often cheaper than Friday and Sunday.
Seattle is served by more than one airport — compare fares and travel time to each before you book.
Flights Seattle — Barcelona operate on Tuesdays, Thursdays and Saturdays — keep that in mind when picking your travel dates.
The cheapest month to fly to Barcelona is usually October — plan your trip around it if your dates are flexible.
Compare direct and connecting flights: nonstop is faster, while a connection is sometimes noticeably cheaper.
Watch the low-price calendar and the monthly price trend on this page — they make it easier to catch a good date.
Travelling light? Pick a cabin-baggage-only fare — tickets without checked luggage are noticeably cheaper.
Get to the airport in good time — about 2–3 hours before an international departure and roughly an hour before a domestic one.

Flights on the Seattle — Barcelona route are operated by 1 airline; Delta runs the most flights (around 100% of all flights). Compare carriers, flight shares and schedules below.

DeltaDL
2x/week
WebsiteFleet: 986190M pax/year
- Direct flight SEA → BCN2x/week
  Duration
  10h 35m
  Days
  MTWTFSS
100.0%Open →

Cities and airports on the Seattle — Barcelona route

Flights Seattle — Barcelona depart from Seattle-Tacoma International Airport and Paine Field and arrive at Barcelona-El Prat Airport. Below are pages for the cities, countries, and airports on the route: airlines, schedules, and travel guides.

Departure

Seattle

SEA

United States

About the city How to get there Weather All about the country United States

Arrival

Barcelona

BCN

Spain

About the city How to get there Weather All about the country Spain

Departure airports

Seattle-Tacoma International AirportSEA
About the airport
Paine FieldPAE
About the airport

Arrival airports

Barcelona-El Prat AirportBCN
About the airport

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Frequently asked questions about the Seattle — Barcelona flight

How long is the flight from Seattle to Barcelona?

A nonstop Seattle — Barcelona flight takes about 12 h 45 min — the distance between the cities is around 8,737 km.

How far is it from Seattle to Barcelona?

The distance from Seattle to Barcelona is about 8,737 km, which a nonstop flight covers in around 12 h 45 min.

Are there direct flights from Seattle to Barcelona?

Yes, there are nonstop flights Seattle — Barcelona — around 6 flights per week.

Which airlines fly from Seattle to Barcelona?

Airlines operating Seattle — Barcelona include Delta. See the full list with schedules in the "Airlines" section on this page.

Which airports do Seattle — Barcelona flights use?

Flights from Seattle depart from Seattle-Tacoma International Airport, Paine Field, and arrive at Barcelona-El Prat Airport. If a city has more than one airport, check which one your ticket uses before you travel.

How much is a ticket from Seattle to Barcelona?

The price of a Seattle — Barcelona ticket depends on your travel date, season and demand: it is usually cheapest to fly in October, and most expensive in August. Tickets typically cost between $285 and $386. Check the current lowest fare and low-price calendar on this page.

When is the best time to book flights Seattle — Barcelona?

Flights Seattle — Barcelona are usually cheaper when booked in advance — a few weeks before departure and away from peak dates; the most budget-friendly month to fly is October. Compare prices by month in the price trend chart on this page.

How can I find the cheapest flights from Seattle to Barcelona?

To catch a low fare Seattle — Barcelona, book a few weeks in advance, keep your dates flexible, and compare airlines and connecting options. The low-price calendar and monthly price chart on this page show the cheapest days and months at a glance: the most budget-friendly month to fly is usually October.

How early should I arrive at the airport?

For international flights, plan to be at the airport about 2–3 hours before departure, and around an hour before a domestic flight. Allow extra time during busy travel seasons and at large hubs, where check-in and security lines can be longer.