Seattle

$308+ Cheap flights from Barcelona-El Prat (BCN) to Seattle (SEA)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/2. Fares are subject to change and may not be available on all flights or dates of travel.
BCN — SEA
feb. 15 — feb. 221
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The best prices from Barcelona-El Prat to Seattle/Tacoma Intl are usually found in May or February, booked 53 days in advance, depart on a Tuesday or Saturday and return on a Monday

Cheap flight deals from Barcelona-El Prat to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Barcelona-El Prat (BCN) to Seattle (SEA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated febrero 10, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$570
(KAYAK)

One-way from

$308
(Mytrip)

Popular in

July

Cheapest in

May

Average price

$706
Provider with most accurate pricing for Barcelona-El Prat-Seattle/Tacoma Intl flight deals.
Provider most trusted by Cheapflights users for Barcelona-El Prat-Seattle/Tacoma Intl flights.
From Barcelona-El Prat to Seattle/Tacoma Intl
One-way flight from Barcelona-El Prat to Seattle/Tacoma Intl
Highest demand for flights based on searches. 13% potential increase in price ($131 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($17 potential savings vs. average RT price).
Average for round-trip flights in February 2025

Find flight deals from Barcelona-El Prat to Seattle

Cheapest flights from Barcelona-El Prat to Seattle
Explore the most affordable flight options available from Barcelona-El Prat to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on febrero 10, 2025.

This KAYAK deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 6/77:00 pmBCN - SEA
1 stop27h 50mScandinavian Airlines
sáb. 6/144:00 pmSEA - BCN
1 stop17h 10mScandinavian Airlines
Deal found 2/10$570
This United Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/412:15 pmBCN - SEA
2 stops19h 21mUnited Airlines
dom. 9/146:35 amSEA - BCN
2 stops40h 15mUnited Airlines
Deal found 2/10$633
This Expedia deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 3/1011:30 amBCN - SEA
1 stop15h 45mAer Lingus
dom. 3/239:00 pmSEA - BCN
1 stop15h 15mAer Lingus
Deal found 2/10$649
This Kiwi.com deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 3/135:45 pmBCN - SEA
1 stop27h 52mMultiple Airlines
mar. 3/1811:48 amSEA - BCN
2 stops25h 07mMultiple Airlines
Deal found 2/10$673
This Delta deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 2/266:00 amBCN - SEA
1 stop14h 46mDelta
dom. 3/212:35 pmSEA - BCN
1 stop17h 05mDelta
Deal found 2/10$684
This lol.travel deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 3/1011:15 amBCN - SEA
2 stops35h 15mAir Canada
dom. 3/237:05 pmSEA - BCN
2 stops29h 45mAir Canada
Deal found 2/10$711
This KLM deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 3/126:00 amBCN - SEA
1 stop14h 40mKLM
mié. 3/193:15 pmSEA - BCN
1 stop23h 50mKLM
Deal found 2/10$715
This American Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 3/1011:00 amBCN - SEA
1 stop20h 26mAmerican Airlines
dom. 3/2311:14 pmSEA - BCN
1 stop25h 46mAmerican Airlines
Deal found 2/10$721
This Lufthansa deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/112:15 pmBCN - SEA
2 stops35h 01mLufthansa
lun. 9/152:07 pmSEA - BCN
1 stop14h 08mLufthansa
Deal found 2/10$767
This Expedia deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 2/167:00 amBCN - SEA
2 stops25h 06mIberia
dom. 2/237:00 amSEA - BCN
2 stops25h 15mIberia
Deal found 2/9$784
This Air France deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 6/1112:20 pmBCN - SEA
1 stop14h 10mAir France
lun. 6/161:30 pmSEA - BCN
1 stop17h 10mAir France
Deal found 2/10$871
This Icelandair deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 6/143:45 pmBCN - SEA
1 stop13h 55mIcelandair
dom. 6/153:45 pmSEA - BCN
1 stop14h 00mIcelandair
Deal found 2/10$876

Find flights from Barcelona-El Prat to Seattle within your budget

Customize your flight search to find flights from Barcelona-El Prat to Seattle that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated febrero 10, 2025.

Fly from

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Fly to

Any airport

Route

Depart

Return

Price

BarcelonaSeattle

BCN - SEA

BCNSEA

Barcelona-El Prat

sáb. 6/7

7:00 pm-1:50 pm

1 stop27h 50m

Seattle/Tacoma Intl

sáb. 6/14

4:00 pm-6:10 pm

1 stop17h 10m

$570

BarcelonaSeattle

BCN - SEA

BCNSEA

Barcelona-El Prat

jue. 3/13

11:15 am-8:27 am

2 stops29h 12m

Seattle/Tacoma Intl

mar. 3/18

7:00 am-9:00 am

2 stops18h 00m

$633

BarcelonaSeattle

BCN - SEA

BCNSEA

Barcelona-El Prat

lun. 3/10

11:30 am-7:15 pm

1 stop15h 45m

Seattle/Tacoma Intl

dom. 3/23

9:00 pm-8:15 pm

1 stop15h 15m

$649

BarcelonaSeattle

BCN - SEA

BCNSEA

Barcelona-El Prat

jue. 3/13

5:45 pm-1:37 pm

1 stop27h 52m

Seattle/Tacoma Intl

mar. 3/18

11:48 am-8:55 pm

2 stops25h 07m

$673

BarcelonaSeattle

BCN - SEA

BCNSEA

Barcelona-El Prat

mié. 2/26

6:00 am-11:46 am

1 stop14h 46m

Seattle/Tacoma Intl

dom. 3/2

12:35 pm-2:40 pm

1 stop17h 05m

$684

BarcelonaSeattle

BCN - SEA

BCNSEA

Barcelona-El Prat

lun. 3/10

11:15 am-2:30 pm

2 stops35h 15m

Seattle/Tacoma Intl

dom. 3/23

7:05 pm-8:50 am

2 stops29h 45m

$711

BarcelonaSeattle

BCN - SEA

BCNSEA

Barcelona-El Prat

mié. 3/12

6:00 am-12:40 pm

1 stop14h 40m

Seattle/Tacoma Intl

mié. 3/19

3:15 pm-11:05 pm

1 stop23h 50m

$715

BarcelonaSeattle

BCN - SEA

BCNSEA

Barcelona-El Prat

lun. 3/10

11:00 am-11:26 pm

1 stop20h 26m

Seattle/Tacoma Intl

dom. 3/23

11:14 pm-9:00 am

1 stop25h 46m

$721

BarcelonaSeattle

BCN - SEA

BCNSEA

Barcelona-El Prat

mar. 3/18

7:45 am-2:20 pm

1 stop14h 35m

Seattle/Tacoma Intl

vie. 3/28

11:25 pm-8:00 am

1 stop24h 35m

$793

BarcelonaSeattle

BCN - SEA

BCNSEA

Barcelona-El Prat

mié. 6/11

12:20 pm-5:30 pm

1 stop14h 10m

Seattle/Tacoma Intl

lun. 6/16

1:30 pm-3:40 pm

1 stop17h 10m

$871

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/10

Showing 1-10 of 21 results
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Compare providers for flights from Barcelona-El Prat to Seattle

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Barcelona-El Prat to Seattle in February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Barcelona-El Prat Airport-Seattle flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Barcelona-El Prat Airport-Seattle flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Barcelona-El Prat Airport-Seattle flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Barcelona-El Prat Airport-Seattle flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Barcelona-El Prat Airport-Seattle flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Barcelona-El Prat to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Barcelona-El Prat with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Barcelona-El Prat to Seattle

Get recent, data-driven insights about flights from Barcelona-El Prat to Seattle including ideal travel times, pricing trends, and more.

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

Use this chart to determine the optimal time to book a round-trip flight from Barcelona-El Prat to Seattle. Price data was last updated on February 7, 2025.

The price you pay for your flight from Barcelona-El Prat Airport to Seattle may vary depending on when you book. For the best chance of a lower fare, look to book 53 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Barcelona-El Prat Airport to Seattle?

Currently, January is the cheapest month in which you can book a flight from Barcelona-El Prat Airport to Seattle (average of $238). Flying from Barcelona-El Prat Airport to Seattle in July is currently the most expensive (average of $411). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from BCN to SEA?

Find hourly flight availability from Barcelona-El Prat to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated febrero 10, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 29% on flights from Barcelona-El Prat Airport to Seattle by exploring options for tickets in the morning.

Rainfall in Seattle by month

Plan your trip to Seattle by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Seattle ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit Seattle when rainfall is around 0.7 in.

Temperature in Seattle by month

Plan your trip to Seattle by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Seattle, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Seattle. Reviews last updated febrero 10, 2025.
To help decide which airline to fly from Barcelona to Seattle, see what other customers have to say about Delta, KLM and Air France. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good

Food

7.3

Comfort

8.0

Entertainment

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

8.0
Very good
8.0
Very good

Food

7.3

Comfort

8.0

Entertainment

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20