SEA - BCN

C$ 549 Find Cheap Flights from Seattle to Barcelona

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Seattle to Barcelona-El Prat departing on 10/3. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Barcelona-El Prat Airport

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Seattle to Barcelona, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Seattle to Barcelona, as well as popular online travel agencies
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Everything you should know

Cheapest round-trip
C$ 567
Overall average: C$ 909
Icelandair
Fri 30/1Tue 3/2
SEA - BCN • 1 stop
Cheapest direct flights
C$ 1,815
KLM
Tue 19/5Sun 31/5
SEA - BCN • Direct
When to book
3 weeks
in advance
Our data shows that travellers who book at least 3 weeks in advance save around 21% compared to booking last minute.
Insights
Insights
Insights
Insights
When to travel
February
Cheapest • 23% price drop
March
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
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KAYAK searches hundreds of sites at once to find you the best travel deals.
We hope you love your trip to Barcelona-El Prat!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Seattle to Barcelona-El Prat (SEA-BCN)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Seattle to Barcelona-El Prat that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Seattle to Barcelona-El Prat

Fri, 30 Jan - Tue, 3 Feb
Icelandair Logo
2:35 p.m. - 1:35 p.m.
SEA
-
BCN
14h 00m1 stop
Icelandair Logo
11:50 a.m. - 5:00 p.m.
BCN
-
SEA
14h 10m1 stop
C$ 567Icelandair
Tue, 27 Jan - Tue, 3 Feb
United Airlines Logo
7:00 a.m. - 9:00 a.m.
SEA
-
BCN
17h 00m1 stop
United Airlines Logo
1:35 p.m. - 6:14 p.m.
BCN
-
SEA
37h 39m2 stops
C$ 639United Airlines
Thu, 22 Jan - Mon, 9 Feb
United Airlines Logo
7:00 a.m. - 9:00 a.m.
SEA
-
BCN
17h 00m1 stop
United Airlines Logo
1:35 p.m. - 4:01 p.m.
BCN
-
SEA
35h 26m2 stops
C$ 640United Airlines
Sun, 15 Feb - Tue, 24 Feb
United Airlines Logo
11:35 p.m. - 9:35 a.m.
SEA
-
BCN
25h 00m2 stops
United Airlines Logo
1:35 p.m. - 7:03 p.m.
BCN
-
SEA
38h 28m2 stops
C$ 644United Airlines
Fri, 20 Feb - Tue, 17 Mar
United Airlines Logo
11:59 p.m. - 8:20 a.m.
SEA
-
BCN
23h 21m2 stops
United Airlines Logo
12:35 p.m. - 7:03 p.m.
BCN
-
SEA
38h 28m2 stops
C$ 646United Airlines
Mon, 19 Jan - Tue, 27 Jan
United Airlines Logo
5:00 a.m. - 5:35 p.m.
SEA
-
BCN
27h 35m2 stops
United Airlines Logo
1:35 p.m. - 4:01 p.m.
BCN
-
SEA
35h 26m2 stops
C$ 650United Airlines
Mon, 9 Mar - Wed, 25 Mar
United Airlines Logo
7:00 a.m. - 8:35 a.m.
SEA
-
BCN
41h 35m2 stops
United Airlines Logo
12:35 p.m. - 10:45 p.m.
BCN
-
SEA
42h 10m2 stops
C$ 651United Airlines
Wed, 18 Feb - Thu, 26 Feb
United Airlines Logo
12:43 p.m. - 8:20 a.m.
SEA
-
BCN
34h 37m2 stops
United Airlines Logo
1:35 p.m. - 7:03 p.m.
BCN
-
SEA
38h 28m2 stops
C$ 654United Airlines
Tue, 10 Mar - Tue, 24 Mar
United Airlines Logo
8:00 a.m. - 8:20 a.m.
SEA
-
BCN
16h 20m1 stop
United Airlines Logo
6:50 a.m. - 1:10 p.m.
BCN
-
SEA
14h 20m1 stop
C$ 658United Airlines
Tue, 17 Feb - Thu, 26 Feb
Delta Logo
1:40 p.m. - 3:00 p.m.
SEA
-
BCN
16h 20m1 stop
Delta Logo
6:00 a.m. - 11:40 a.m.
BCN
-
SEA
14h 40m1 stop
C$ 661Delta
Booking Insights

KAYAK's insights & trends for Seattle to Barcelona-El Prat flights

Get data-powered insights and trends into flights from Seattle to Barcelona-El Prat to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest month to fly from Seattle to Barcelona-El Prat Airport?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Seattle to Barcelona-El Prat Airport, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Seattle to Barcelona-El Prat Airport is February, where tickets cost C$ 894 (return) on average. On the other hand, the most expensive months are June and July, where the average cost of round-trip tickets is C$ 1,712 and C$ 1,556 respectively.

How far in advance should I book a flight from Seattle to Barcelona-El Prat Airport?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Seattle to Barcelona-El Prat Airport, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Seattle to Barcelona-El Prat Airport, you should book around 3 weeks before departure, which saves you about 21% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 4 weeks before departure.

Find deals

Good to know

Low seasonNovember
Cheapest flightC$ 549
Best time to beat the crowds (12% less expensive on average)
Most popular time to fly and prices are also 17% lower on average.
Flight from Seattle to Barcelona

When to book flights from Seattle to Barcelona-El Prat

Are your dates flexible? Find out the best times to travel from Seattle to Barcelona-El Prat based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking Seattle to Barcelona flights

  • Can I get special assistance services at SEA?

    Suppose you are disabled, sick, or have limited mobility. In that case, there are TSA Care professionals who can offer you the special assistance services you’ll require while at SEA, provided you inform them of the services you will require when booking your flight or at least 72h before your flight.

  • Does SEA have a children’s play area?

    SEA does have a children’s play area between Central Terminal and gates A. At this children’s play area, you can let your kids have fun as you wait for your flight to Barcelona.

  • Can I leave some of my luggage at BCN?

    If you want to leave some of your luggage at BCN, you’re in luck, as the airport boasts two Left Luggage Offices. One is situated on the 3rd Floor of T1, while the other is on the ground floor of Terminal 2B. At either, you can store some of your baggage for as long as you want.

  • How can I get special in-flight services when flying from SEA to BCN?

    If you require special in-flight services from SEA to BCN, you should inform the airline you intend to travel with of the services you will need when booking your flight or at least 72h before your flight.

  • What is the cheapest flight from Seattle to Barcelona-El Prat Airport?

    In the last 3 days, the lowest price for a flight from Seattle to Barcelona-El Prat Airport was C$ 549 for a one-way ticket and C$ 567 for a round-trip.

  • Which airports will I be using when flying from Seattle to Barcelona?

    Seattle airport is called Seattle/Tacoma Intl and the only airport in Barcelona is Barcelona-El Prat.

  • Which airlines offer Wi-Fi service onboard planes from Seattle to Barcelona?

    Only Air France offers inflight Wi-Fi service on the Seattle to Barcelona flight route.

  • Which aircraft models fly most regularly from Seattle to Barcelona?

    The Airbus A330-900neo is the aircraft model that flies most regularly on the Seattle to Barcelona flight route.

  • How does KAYAK find such low prices on flights from Seattle to Barcelona?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Seattle to Barcelona.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Seattle to Barcelona?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Barcelona from Seattle is likely to change within 7 days, so travellers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Seattle to Barcelona?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Barcelona with an airline and back to Seattle with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Seattle to Barcelona?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Barcelona from Seattle up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

KAYAK’s top tips for finding a cheap flight from Seattle to Barcelona-El Prat Airport

  • On the date you’re scheduled to fly from Seattle-Tacoma International Airport (SEA), you should get to the airport at least 2h ahead of your flight’s departure time. Doing so gives you adequate time to go through the airport’s checkpoints. Severally, travelers have missed their flights at this airport after failing to go through the airport’s security checkpoints in time for their flights. If you reach the airport as early as advised, you’ll be able to avoid finding yourself in a similar position.
  • To travel from downtown Seattle to SEA, you can board a bus, train, or taxi. If you want to travel as quickly as you can from where you are in downtown Seattle to the airport, you should board a taxi, while if you want to travel as cheaply as you can, you should board a bus. On the other hand, if you want to balance speed and transportation costs, it is in your best interest to travel by train.
  • While waiting for your flight to Barcelona at SEA, you should consider visiting The Terminal Gateway Spa. Situated Airside, near Gate A5 on Level 5, this spa offers a full array of spa services. At this highly-rated spa, you’ll enjoy relaxing services without incurring a massive bill, as it provides all its services at competitive rates.
  • If you need any help at Josep Tarradellas Barcelona-El Prat Airport (BCN), you should head to one of the airport’s information desks. In Terminal 1, there are five such desks on the Airside and two on the Landside. On the other hand, in Terminal 2, there are two information desks on the Landside and three on the airside. These desks usually are in service 24/7.
  • In case you want to shower before leaving BCN, you can do so in one of the airport’s Air Rooms. Located on the 1st Floor of Terminal 1, these suites feature free toiletries and clean facilities.

Everything you need to know for your flight from Seattle to Barcelona-El Prat

Information on your arrival and departure airports

Seattle (SEA)
Barcelona-El Prat (BCN)