Which airport typically offers the quickest layover for flights from Seattle to Barcelona-El Prat Airport?

Flights via Frankfurt am Main (FRA) offer the fastest connection on this route, with an average layover time of 1h 55m.

What’s the top layover airport for flights from Seattle to Barcelona-El Prat Airport?

Copenhagen (CPH) – chosen by Cheapflights users on 33% of one-stop itineraries from Seattle to Barcelona-El Prat Airport on Cheapflights.

What’s the fastest layover option from Seattle to Barcelona-El Prat Airport?

Flights via Frankfurt am Main (FRA) have the shortest average one-way travel time for 1-stop routes: 13h 45m.

What’s the cheapest layover airport for flights from Seattle to Barcelona-El Prat Airport?

Copenhagen (CPH) is the most affordable 1-stop option, with an average round-trip price of C$ 693.

How long is the flight from Seattle to Barcelona-El Prat Airport?

A quick flight from Seattle to Barcelona-El Prat Airport can take about 19h 50m. United Airlines provides one of the quickest options available for as low as C$ 1,010. The distance from Seattle to Barcelona-El Prat Airport is about 8724 km. This flight may include one or multiple stops.

What is the cheapest airline to fly from Seattle to Barcelona-El Prat Airport round-trip?

Our cheapest airline available from Seattle to Barcelona-El Prat Airport is Lufthansa. Our recent data shows that you can find tickets from as low as C$ 725 on this airline. You may be able to fly from Seattle to Barcelona-El Prat Airport for 38% less than the average price by searching for this airline.

In terms of precipitation, rainfall in Barcelona-El Prat Airport ranges from 20.0 - 91.0 mm per month. October is typically the wettest month, when rainfall can reach 91.0 mm. July is typically the driest time to visit Barcelona-El Prat Airport when rainfall is around 20.0 mm.

If weather is an important factor for your trip to Barcelona-El Prat Airport, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 24.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 9.0 C).

What airport do you fly from for flights from Seattle to Barcelona-El Prat?

Located just 18.4 km from the city centre, Seattle/Tacoma Intl is the airport most travellers will use when flying to Barcelona-El Prat from Seattle. Booking flights from Seattle/Tacoma Intl (SEA) to Barcelona-El Prat should be relatively easy as there are 0 daily outbound flights to Barcelona-El Prat from 1 airline.

Can I find deals for flights from Seattle to Barcelona-El Prat that include hotel bookings?

Yes. In addition to deals on Seattle to Barcelona-El Prat flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Seattle to Barcelona-El Prat?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Barcelona-El Prat.

Can I find deals for business class flights from Seattle to Barcelona-El Prat?

Yes. Cheapflights offers flight deals from Seattle to Barcelona-El Prat by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

C$ 480+ Flights from Seattle to Barcelona-El Prat Airport

Q: How much does it cost to fly round-trip from Seattle to Barcelona-El Prat Airport?

Airfare is below average for this route at the moment. Seattle to Barcelona-El Prat Airport flights typically cost between C$ 852 and C$ 1,198 in November. The cheapest round-trip price found within the last 3 days was C$ 772 on Scandinavian Airlines (9 Nov-26 Nov).

Find flight deals from Seattle to Barcelona-El Prat

Enter your travel dates to find the best prices.

Cheapest flights from Seattle to Barcelona-El Prat
Explore the most affordable flight options available from Seattle to Barcelona-El Prat. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 October 2025.

Sun 9/117:10 a.m.SEA - BCN

2 stops26h 10mScandinavian Airlines

Wed 26/117:10 p.m.BCN - SEA

2 stops36h 49mScandinavian Airlines

Deal found 16/10C$ 772

Mon 10/112:11 p.m.SEA - BCN

2 stops42h 54mScandinavian Airlines

Wed 26/117:10 p.m.BCN - SEA

2 stops36h 49mScandinavian Airlines

Deal found 16/10C$ 828

Fri 5/127:10 a.m.SEA - BCN

2 stops26h 10mScandinavian Airlines

Sun 14/127:10 p.m.BCN - SEA

2 stops35h 49mScandinavian Airlines

Deal found 16/10C$ 854

Sun 9/117:30 a.m.SEA - BCN

2 stops25h 50mScandinavian Airlines

Tue 18/117:10 p.m.BCN - SEA

2 stops36h 13mScandinavian Airlines

Deal found 16/10C$ 899

Wed 3/122:05 p.m.SEA - BCN

2 stops43h 15mScandinavian Airlines

Fri 12/127:10 p.m.BCN - SEA

2 stops37h 05mScandinavian Airlines

Deal found 16/10C$ 941

Thu 6/117:00 p.m.SEA - BCN

1 stop20h 10mTurkish Airlines

Wed 26/1112:10 p.m.BCN - SEA

1 stop37h 55mTurkish Airlines

Deal found 16/10C$ 981

Tue 11/112:11 p.m.SEA - BCN

2 stops43h 09mScandinavian Airlines

Wed 26/117:10 p.m.BCN - SEA

2 stops36h 49mScandinavian Airlines

Deal found 16/10C$ 990

Sun 9/117:20 a.m.SEA - BCN

2 stops26h 00mScandinavian Airlines

Mon 17/117:10 p.m.BCN - SEA

2 stops36h 13mScandinavian Airlines

Deal found 16/10C$ 997

Wed 10/127:00 a.m.SEA - BCN

2 stops16h 20mUnited Airlines

Wed 17/121:35 p.m.BCN - SEA

2 stops42h 12mUnited Airlines

Deal found 15/10C$ 1,003

Sun 9/117:00 p.m.SEA - BCN

1 stop19h 50mTurkish Airlines

Tue 25/112:25 p.m.BCN - SEA

1 stop35h 40mTurkish Airlines

Deal found 16/10C$ 1,010

Sun 9/117:10 a.m.SEA - BCN

2 stops26h 10mScandinavian Airlines

Sat 22/117:10 p.m.BCN - SEA

2 stops37h 49mScandinavian Airlines

Deal found 16/10C$ 1,011

Sat 15/1111:52 p.m.SEA - BCN

1 stop24h 08mMultiple Airlines

Fri 19/125:50 a.m.BCN - SEA

1 stop15h 20mMultiple Airlines

Deal found 15/10C$ 1,018

Best flights from Seattle to Barcelona-El Prat
Discover carefully curated flight deals from Seattle to Barcelona-El Prat that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 17 October 2025.

Sat 14/27:29 p.m.SEA - BCN

3 stops29h 06mUnited Airlines

Tue 24/21:35 p.m.BCN - SEA

2 stops38h 28mUnited Airlines

Deal found 16/10C$ 997

Sun 9/117:00 p.m.SEA - BCN

1 stop19h 50mTurkish Airlines

Wed 26/116:30 p.m.BCN - SEA

1 stop31h 35mTurkish Airlines

Deal found 16/10C$ 1,010

Sat 15/1111:00 p.m.SEA - BCN

1 stop24h 40mDelta

Fri 13/26:00 a.m.BCN - SEA

1 stop14h 40mDelta

Deal found 15/10C$ 1,024

Mon 10/112:11 p.m.SEA - BCN

2 stops43h 09mScandinavian Airlines

Fri 21/117:10 p.m.BCN - SEA

2 stops36h 49mScandinavian Airlines

Deal found 16/10C$ 1,067

Tue 11/112:40 p.m.SEA - BCN

2 stops24h 10mMultiple Airlines

Tue 18/1112:05 p.m.BCN - SEA

1 stop38h 00mMultiple Airlines

Deal found 16/10C$ 1,186

Wed 3/127:00 a.m.SEA - BCN

2 stops17h 35mUnited Airlines

Fri 12/126:50 a.m.BCN - SEA

3 stops27h 09mUnited Airlines

Deal found 16/10C$ 1,026

Fri 27/38:00 p.m.SEA - BCN

1 stop29h 45mTurkish Airlines

Tue 31/37:35 a.m.BCN - SEA

1 stop18h 40mTurkish Airlines

Deal found 15/10C$ 1,038

Sun 11/17:30 p.m.SEA - BCN

3 stops29h 05mUnited Airlines

Fri 23/16:50 a.m.BCN - SEA

2 stops20h 36mUnited Airlines

Deal found 15/10C$ 1,032

Tue 11/117:30 a.m.SEA - BCN

2 stops25h 50mScandinavian Airlines

Fri 21/117:10 p.m.BCN - SEA

2 stops36h 49mScandinavian Airlines

Deal found 16/10C$ 1,137

Fri 6/37:20 a.m.SEA - BCN

2 stops26h 00mScandinavian Airlines

Sat 14/37:10 p.m.BCN - SEA

2 stops35h 06mScandinavian Airlines

Deal found 16/10C$ 1,142

Fri 5/127:00 a.m.SEA - BCN

2 stops16h 20mUnited Airlines

Sat 13/121:35 p.m.BCN - SEA

2 stops41h 53mUnited Airlines

Deal found 16/10C$ 1,143

Last-minute flights from Seattle to Barcelona-El Prat
Discover last-minute flight deals from Seattle to Barcelona-El Prat. Data last updated 17 October 2025 and is based on user searches.

Thu 6/117:00 p.m.SEA - BCN

1 stop20h 10mTurkish Airlines

Wed 26/1112:10 p.m.BCN - SEA

1 stop37h 55mTurkish Airlines

Deal found 16/10C$ 981

Thu 6/117:00 p.m.SEA - BCN

1 stop20h 10mTurkish Airlines

Mon 24/117:50 a.m.BCN - SEA

1 stop18h 15mTurkish Airlines

Deal found 16/10C$ 1,038

Sun 9/117:10 a.m.SEA - BCN

2 stops26h 10mScandinavian Airlines

Wed 26/117:10 p.m.BCN - SEA

2 stops36h 49mScandinavian Airlines

Deal found 16/10C$ 772

Sun 9/117:30 a.m.SEA - BCN

2 stops25h 50mScandinavian Airlines

Tue 18/117:10 p.m.BCN - SEA

2 stops36h 13mScandinavian Airlines

Deal found 16/10C$ 899

Sun 9/117:20 a.m.SEA - BCN

2 stops26h 00mScandinavian Airlines

Mon 17/117:10 p.m.BCN - SEA

2 stops36h 13mScandinavian Airlines

Deal found 16/10C$ 997

Sun 9/117:00 p.m.SEA - BCN

1 stop19h 50mTurkish Airlines

Tue 25/112:25 p.m.BCN - SEA

1 stop35h 40mTurkish Airlines

Deal found 16/10C$ 1,010

Sun 9/117:10 a.m.SEA - BCN

2 stops26h 10mScandinavian Airlines

Sat 22/117:10 p.m.BCN - SEA

2 stops37h 49mScandinavian Airlines

Deal found 16/10C$ 1,011

Sun 9/117:10 a.m.SEA - BCN

2 stops26h 10mScandinavian Airlines

Sun 23/117:10 p.m.BCN - SEA

2 stops36h 49mScandinavian Airlines

Deal found 16/10C$ 1,032

Mon 10/112:11 p.m.SEA - BCN

2 stops42h 54mScandinavian Airlines

Wed 26/117:10 p.m.BCN - SEA

2 stops36h 49mScandinavian Airlines

Deal found 16/10C$ 828

Tue 11/112:11 p.m.SEA - BCN

2 stops43h 09mScandinavian Airlines

Wed 26/117:10 p.m.BCN - SEA

2 stops36h 49mScandinavian Airlines

Deal found 16/10C$ 990

Sat 15/1111:52 p.m.SEA - BCN

1 stop24h 08mMultiple Airlines

Fri 19/125:50 a.m.BCN - SEA

1 stop15h 20mMultiple Airlines

Deal found 15/10C$ 1,018

One-way flights from Seattle to Barcelona-El Prat
Search for one-way flight options from Seattle to Barcelona-El Prat. Find affordable one-way fares based on user searches. Data last updated 17 October 2025.

Tue 28/103:10 p.m.SEA - BCN

1 stop13h 10mWestJet

Deal found 14/10C$ 480

Sun 30/118:39 a.m.SEA - BCN

1 stop18h 16mMultiple Airlines

Deal found 16/10C$ 591

Fri 24/1011:29 a.m.SEA - BCN

2 stops20h 06mMultiple Airlines

Deal found 15/10C$ 715

Wed 14/12:35 p.m.SEA - BCN

1 stop13h 40mIcelandair

Deal found 16/10C$ 771

Thu 13/116:50 p.m.SEA - BCN

1 stop18h 45mBritish Airways

Deal found 15/10C$ 823

Sun 11/17:00 a.m.SEA - BCN

3 stops28h 20mTAP AIR PORTUGAL

Deal found 15/10C$ 851

Thu 27/1112:59 a.m.SEA - BCN

2 stops21h 06mMultiple Airlines

Deal found 14/10C$ 866

Mon 19/110:05 a.m.SEA - BCN

2 stops16h 55mLufthansa

Deal found 16/10C$ 868

Wed 5/1111:28 a.m.SEA - BCN

2 stops20h 07mMultiple Airlines

Deal found 16/10C$ 871

Tue 24/38:30 a.m.SEA - BCN

3 stops23h 50mUnited Airlines

Deal found 14/10C$ 875

Thu 29/17:00 a.m.SEA - BCN

3 stops28h 20mTAP AIR PORTUGAL

Deal found 15/10C$ 879

Tue 14/410:45 p.m.SEA - BCN

3 stops33h 10mTAP AIR PORTUGAL

Deal found 15/10C$ 882

Cheap flight deals from Seattle to Barcelona-El Prat

Round-trip from	C$ 772
One-way from	C$ 480
Popular in	June
Cheapest in	November
Average price	C$ 948

Scandinavian Airlines
9/11-26/11
4 total stops
62h 59m total
Seattle to Barcelona

Search Deals

WestJet
28/10
1 total stop
13h 10m total
Seattle to Barcelona

Search Deals

Highest demand for flights based on searches. 24% potential increase in price (C$ 551 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease (C$ 75 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in October 2025

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from Seattle to Barcelona-El Prat Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeattleBarcelona

SEA - BCN

SEABCN

Seattle/Tacoma Intl

Sat 14/2

7:29 p.m.-9:35 a.m.

3 stops29h 06m

Barcelona-El Prat

Tue 24/2

1:35 p.m.-7:03 p.m.

2 stops38h 28m

C$ 997

SeattleBarcelona

SEA - BCN

SEABCN

Seattle/Tacoma Intl

Sun 9/11

7:00 p.m.-11:50 p.m.

1 stop19h 50m

Barcelona-El Prat

Wed 26/11

6:30 p.m.-5:05 p.m.

1 stop31h 35m

C$ 1,010

SeattleBarcelona

SEA - BCN

SEABCN

Seattle/Tacoma Intl

Sat 15/11

11:00 p.m.-8:40 a.m.

1 stop24h 40m

Barcelona-El Prat

Fri 13/2

6:00 a.m.-11:40 a.m.

1 stop14h 40m

C$ 1,024

SeattleBarcelona

SEA - BCN

SEABCN

Seattle/Tacoma Intl

Wed 3/12

7:00 a.m.-9:35 a.m.

2 stops17h 35m

Barcelona-El Prat

Fri 12/12

6:50 a.m.-12:59 a.m.

3 stops27h 09m

C$ 1,026

SeattleBarcelona

SEA - BCN

SEABCN

Seattle/Tacoma Intl

Sun 11/1

7:30 p.m.-9:35 a.m.

3 stops29h 05m

Barcelona-El Prat

Fri 23/1

6:50 a.m.-6:26 p.m.

2 stops20h 36m

C$ 1,032

SeattleBarcelona

SEA - BCN

SEABCN

Seattle/Tacoma Intl

Fri 27/3

8:00 p.m.-9:45 a.m.

1 stop29h 45m

Barcelona-El Prat

Tue 31/3

7:35 a.m.-5:15 p.m.

1 stop18h 40m

C$ 1,038

SeattleBarcelona

SEA - BCN

SEABCN

Seattle/Tacoma Intl

Mon 10/11

2:11 p.m.-6:20 p.m.

2 stops43h 09m

Barcelona-El Prat

Fri 21/11

7:10 p.m.-10:59 p.m.

2 stops36h 49m

C$ 1,067

SeattleBarcelona

SEA - BCN

SEABCN

Seattle/Tacoma Intl

Tue 11/11

7:30 a.m.-6:20 p.m.

2 stops25h 50m

Barcelona-El Prat

Fri 21/11

7:10 p.m.-10:59 p.m.

2 stops36h 49m

C$ 1,137

SeattleBarcelona

SEA - BCN

SEABCN

Seattle/Tacoma Intl

Fri 6/3

7:20 a.m.-6:20 p.m.

2 stops26h 00m

Barcelona-El Prat

Sat 14/3

7:10 p.m.-10:16 p.m.

2 stops35h 06m

C$ 1,142

SeattleBarcelona

SEA - BCN

SEABCN

Seattle/Tacoma Intl

Fri 5/12

7:00 a.m.-8:20 a.m.

2 stops16h 20m

Barcelona-El Prat

Sat 13/12

1:35 p.m.-10:28 p.m.

2 stops41h 53m

C$ 1,143

Flights are sorted by cheapest round-trip flights first.

Deals found on 14/10

Showing 1-10 of 22 results

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

Have a flexible travel schedule? Discover the best time to fly to Barcelona-El Prat from Seattle 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.

Cheapflights Insights

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

Prices

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

The price you pay for your flight from Seattle to Barcelona-El Prat Airport may vary depending on when you book. For the best chance of a lower fare, look to book 4 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 Seattle to Barcelona-El Prat Airport?

Currently, October is the cheapest month in which you can book a flight from Seattle to Barcelona-El Prat Airport (average of C$ 549). Flying from Seattle to Barcelona-El Prat Airport in June is currently the most expensive (average of C$ 1,238). 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 SEA to BCN?

One of the essential ways to save on airfare from Seattle to Barcelona-El Prat Airport is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the afternoon could potentially save you up to 37% on airfare.

How much does it cost to fly round-trip from Seattle to Barcelona-El Prat Airport?

Reviews of airlines servicing Barcelona-El Prat

Read reviews from past customers who have flown Lufthansa from Seattle to Barcelona-El Prat Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Lufthansa

6.8

Okay

7,497 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Dec 2024

SFO - FRA

Convenient flight to my destination. Good entertainment options on board. I was seated close to some people who had noisy children which made sleeping a bit challenging.

Lufthansa

6.8

Okay

7,497 reviews

Lufthansa

6.8

Okay

7,497 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Dec 2024

SFO - FRA

Convenient flight to my destination. Good entertainment options on board. I was seated close to some people who had noisy children which made sleeping a bit challenging.

Related info for your journey

What airport do you fly from for flights from Seattle to Barcelona-El Prat?
Located just 18.4 km from the city centre, Seattle/Tacoma Intl is the airport most travellers will use when flying to Barcelona-El Prat from Seattle. Booking flights from Seattle/Tacoma Intl (SEA) to Barcelona-El Prat should be relatively easy as there are 0 daily outbound flights to Barcelona-El Prat from 1 airline.
How long is the flight from Seattle to Barcelona-El Prat Airport?
A quick flight from Seattle to Barcelona-El Prat Airport can take about 19h 50m. United Airlines provides one of the quickest options available for as low as C$ 1,010. The distance from Seattle to Barcelona-El Prat Airport is about 8724 km. This flight may include one or multiple stops.
What is the cheapest airline to fly from Seattle to Barcelona-El Prat Airport round-trip?
Our cheapest airline available from Seattle to Barcelona-El Prat Airport is Lufthansa. Our recent data shows that you can find tickets from as low as C$ 725 on this airline. You may be able to fly from Seattle to Barcelona-El Prat Airport for 38% less than the average price by searching for this airline.
Can I find deals for flights from Seattle to Barcelona-El Prat that include hotel bookings?
Yes. In addition to deals on Seattle to Barcelona-El Prat flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Seattle to Barcelona-El Prat?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Barcelona-El Prat.
Can I find deals for business class flights from Seattle to Barcelona-El Prat?
Yes. Cheapflights offers flight deals from Seattle to Barcelona-El Prat by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Seattle to Barcelona-El Prat Airport?
Currently, October is the cheapest month in which you can book a flight from Seattle to Barcelona-El Prat Airport (average of C$ 549). Flying from Seattle to Barcelona-El Prat Airport in June is currently the most expensive (average of C$ 1,238). 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.

See more FAQs

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Top airline flying from Seattle to Barcelona-El Prat

Airline	Cheapest	Average	Flexibility	On-time
Lufthansa	CheapestC$ 725	AverageC$ 802	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights

Fly with Cheapflights

How does Cheapflights help users find flights from Seattle to Barcelona-El Prat?

Deals for Seattle to Barcelona-El Prat flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Seattle to Barcelona-El Prat?

Millions of users choose and trust Cheapflights to book the best flight deals from Seattle to Barcelona-El Prat for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Seattle to Barcelona-El Prat with no change fees?

Yes, we can. To see specific flights from Seattle to Barcelona-El Prat with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Seattle to Barcelona-El Prat become cheaper?

Yes, Cheapflights offers price alerts on Seattle to Barcelona-El Prat flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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Cheap flights from Seattle to Barcelona-El Prat Airport from C$ 480

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 28/10. Fares are subject to change and may not be available on all flights or dates of travel.

Find flight deals from Seattle to Barcelona-El Prat

Cheapest flights from Seattle to Barcelona-El PratExplore the most affordable flight options available from Seattle to Barcelona-El Prat. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 October 2025.

Explore the most affordable flight options available from Seattle to Barcelona-El Prat. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 October 2025.

Cheap flight deals from Seattle to Barcelona-El Prat

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Seattle to Barcelona-El Prat Airport that are best for you.

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

Have a flexible travel schedule? Discover the best time to fly to Barcelona-El Prat from Seattle with our price prediction graph.

Cheapflights Insights

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

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

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

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

How much does it cost to fly round-trip from Seattle to Barcelona-El Prat Airport?

What’s the top layover airport for flights from Seattle to Barcelona-El Prat Airport?

What’s the fastest layover option from Seattle to Barcelona-El Prat Airport?

What’s the fastest layover option from Seattle to Barcelona-El Prat Airport?

Which airport typically offers the quickest layover for flights from Seattle to Barcelona-El Prat Airport?

Reviews of airlines servicing Barcelona-El Prat

Read reviews from past customers who have flown Lufthansa from Seattle to Barcelona-El Prat Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Barcelona-El Prat. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly from for flights from Seattle to Barcelona-El Prat?

How long is the flight from Seattle to Barcelona-El Prat Airport?

What is the cheapest airline to fly from Seattle to Barcelona-El Prat Airport round-trip?

Can I find deals for flights from Seattle to Barcelona-El Prat that include hotel bookings?

How can I find direct flights from Seattle to Barcelona-El Prat?

Can I find deals for business class flights from Seattle to Barcelona-El Prat?

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

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Explore flights to Barcelona-El Prat departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 17 October 2025.

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Cheapest flights from Seattle to Barcelona-El Prat
Explore the most affordable flight options available from Seattle to Barcelona-El Prat. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 October 2025.