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Cheap flights from Seattle to Barcelona-El Prat Airport from $304

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Barcelona-El Prat Airport departing on 3/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Seattle to Barcelona

Cheap round-trip flights

These are some of the best round-trip flight deals from Seattle to Barcelona that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Seattle to Barcelona.

Cheap last minute flights

Planning a quick getaway from Seattle to Barcelona? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Barcelona, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Seattle to Barcelona

Find recent round-trip train or bus tickets from Seattle to Barcelona.

All round-trip flight deals from Seattle to Barcelona

The cheapest plane tickets from Seattle to Barcelona found on KAYAK recently.
2:35 pm - 1:10 pmSEA-BCN
13h 35m1 stop
11:45 am - 5:00 pmBCN-SEA
14h 15m1 stop
$421Icelandair
Find Deal
dom., feb. 9 - vie., feb. 14
2:35 pm - 1:10 pmSEA-BCN
13h 35m1 stop
11:45 am - 5:00 pmBCN-SEA
14h 15m1 stop
$427Icelandair
Find Deal
dom., feb. 9 - vie., feb. 14
7:05 pm - 9:50 amSEA-BCN
29h 45m2 stops
6:50 am - 6:25 pmBCN-SEA
19h 35m2 stops
$516Air Canada
Find Deal
mar., mar. 4 - mar., mar. 11
5:45 am - 9:50 amSEA-BCN
19h 05m2 stops
11:15 am - 6:25 pmBCN-SEA
39h 10m2 stops
$526Air Canada
Find Deal
mar., mar. 4 - mar., mar. 11
1:35 pm - 2:45 pmSEA-BCN
16h 10m1 stop
6:40 am - 5:55 pmBCN-SEA
19h 15m1 stop
$559British Airways
Find Deal
mar., mar. 4 - mar., mar. 11
4:10 pm - 5:35 pmSEA-BCN
17h 25m1 stop
7:45 am - 2:20 pmBCN-SEA
14h 35m1 stop
$584Lufthansa
Find Deal
mar., mar. 11 - mar., mar. 25
10:55 pm - 8:00 amSEA-BCN
24h 05m1 stop
10:15 am - 10:16 pmBCN-SEA
21h 01m1 stop
$590Delta
Find Deal
sáb., feb. 8 - jue., feb. 20
8:10 am - 8:20 amSEA-BCN
16h 10m1 stop
6:50 am - 1:10 pmBCN-SEA
14h 20m1 stop
$592Lufthansa
Find Deal
dom., mar. 9 - mié., mar. 26
4:05 pm - 8:00 amSEA-BCN
30h 55m1 stop
10:15 am - 10:16 pmBCN-SEA
21h 01m1 stop
$596Delta
Find Deal
lun., feb. 10 - jue., feb. 20
6:50 pm - 7:10 pmSEA-BCN
15h 20m1 stop
1:30 pm - 10:09 pmBCN-SEA
17h 39m1 stop
$688British Airways
Find Deal
sáb., feb. 1 - dom., feb. 16
11:23 am - 11:59 pmSEA-BCN
51h 36m3 stops
lun., mar. 3
11:23 am - 11:59 pmSEA-BCN
51h 36m3 stops
lun., mar. 3
7:57 pm - 4:15 pmSEA-BCN
36h 18m1 stop
sáb., mar. 15
7:05 pm - 7:50 amSEA-BCN
51h 45m2 stops
$432Air Canada
Find Deal
lun., mar. 31
6:05 am - 9:20 amSEA-BCN
18h 15m1 stop
$440Air Canada
Find Deal
lun., mar. 31
7:50 pm - 7:50 pmSEA-BCN
16h 00m1 stop
$444British Airways
Find Deal
lun., mar. 17
6:00 am - 7:40 amSEA-BCN
17h 40m1 stop
$450Air France
Find Deal
mié., mar. 26
1:45 pm - 4:30 pmSEA-BCN
17h 45m1 stop
$521British Airways
Find Deal
vie., feb. 7
11:50 am - 2:00 pmSEA-BCN
18h 10m2 stops
$524Delta
Find Deal
sáb., mar. 15
1:35 pm - 2:00 pmSEA-BCN
15h 25m1 stop
$534Delta
Find Deal
jue., mar. 6
7:00 pm - 11:00 amSEA-BCN
31h 00m1 stop
2:30 pm - 5:05 pmBCN-SEA
35h 35m1 stop
$779Turkish Airlines
Find Deal
jue., ene. 23 - sáb., ene. 25
7:00 pm - 1:35 pmSEA-BCN
33h 35m1 stop
6:25 pm - 9:20 pmBCN-SEA
35h 55m2 stops
$920Turkish Airlines
Find Deal
vie., ene. 24 - vie., ene. 31
11:05 am - 11:00 amSEA-BCN
38h 55m2 stops
2:30 pm - 5:05 pmBCN-SEA
35h 35m1 stop
$1,036Turkish Airlines
Find Deal
jue., ene. 23 - sáb., ene. 25
3:25 pm - 5:00 pmSEA-BCN
40h 35m2 stops
12:25 pm - 9:20 pmBCN-SEA
41h 55m2 stops
$1,055Turkish Airlines
Find Deal
vie., ene. 24 - vie., ene. 31
2:35 pm - 4:55 pmSEA-BCN
17h 20m2 stops
9:30 pm - 5:05 pmBCN-SEA
28h 35m2 stops
$1,080
Find Deal
jue., ene. 23 - sáb., ene. 25
2:35 pm - 4:55 pmSEA-BCN
17h 20m2 stops
8:30 pm - 12:19 amBCN-SEA
36h 49m3 stops
$1,114
Find Deal
jue., ene. 23 - sáb., ene. 25
2:35 pm - 8:20 pmSEA-BCN
20h 45m2 stops
7:00 am - 10:00 amBCN-SEA
36h 00m3 stops
$1,174
Find Deal
vie., ene. 24 - vie., ene. 31
6:05 am - 3:55 pmSEA-BCN
24h 50m3 stops
8:30 pm - 12:19 amBCN-SEA
36h 49m3 stops
$1,216
Find Deal
jue., ene. 23 - sáb., ene. 25
10:35 am - 8:20 pmSEA-BCN
24h 45m3 stops
7:00 am - 10:00 amBCN-SEA
36h 00m3 stops
$1,244
Find Deal
vie., ene. 24 - vie., ene. 31

KLM flights from Seattle to Barcelona-El Prat Airport

Our best KLM deals on Seattle to Barcelona-El Prat Airport flight tickets
KLM
Jan 28
SEA6:15 amSeattle/Tacoma Intl
16h 45m
1 stop
BCN8:00 amBarcelona-El Prat
Mar 11
BCN9:45 amBarcelona-El Prat
20h 37m
1 stop
SEA10:22 pmSeattle/Tacoma Intl
KLM
Feb 21
SEA6:15 amSeattle/Tacoma Intl
17h 25m
1 stop
BCN8:40 amBarcelona-El Prat
Mar 8
BCN10:15 amBarcelona-El Prat
21h 10m
1 stop
SEA10:25 pmSeattle/Tacoma Intl

Icelandair flights from Seattle to Barcelona-El Prat Airport

Our best Icelandair deals on Seattle to Barcelona-El Prat Airport flight tickets
Icelandair
Feb 9
SEA2:35 pmSeattle/Tacoma Intl
13h 35m
1 stop
BCN1:10 pmBarcelona-El Prat
Feb 14
BCN11:45 amBarcelona-El Prat
14h 15m
1 stop
SEA5:00 pmSeattle/Tacoma Intl
Icelandair
Feb 9
SEA2:35 pmSeattle/Tacoma Intl
13h 35m
1 stop
BCN1:10 pmBarcelona-El Prat
Feb 14
BCN11:45 amBarcelona-El Prat
14h 15m
1 stop
SEA5:00 pmSeattle/Tacoma Intl
Icelandair
Apr 15
SEA3:45 pmSeattle/Tacoma Intl
14h 00m
1 stop
BCN2:45 pmBarcelona-El Prat
Apr 28
BCN3:45 pmBarcelona-El Prat
13h 55m
1 stop
SEA8:40 pmSeattle/Tacoma Intl

See travel insights to Barcelona from

How to get the cheapest flight ticket from Seattle to Barcelona-El Prat Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

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

The cheapest month to fly to Barcelona-El Prat Airport from Seattle is in November. Flight prices, which tend to average around $671, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of November, then book flights to Barcelona-El Prat Airport from Seattle during February instead. Flights to Barcelona-El Prat Airport in February, while not as cheap as those in November, still average around $692.

What is the cheapest day to depart on your flight to Barcelona-El Prat Airport?

The cheapest day to depart on your flight to Barcelona-El Prat Airport is on a Monday when prices can be found for as low as $862. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Thursday because tickets tend to average around $1,049. These prices are subject to change though, so be sure to set up a Price Alert for flights to Barcelona-El Prat Airport.

What is the cheapest time of day to depart on your flight to Barcelona-El Prat Airport?

Flying to Barcelona-El Prat Airport from Seattle in the evening is the least expensive time of day to depart. momondo users have found prices as low as $888 when looking at flights departing in the evening. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $992 on average. Flights to Barcelona-El Prat Airport from Seattle at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

You are more likely to see cheaper flights to Barcelona-El Prat Airport from Seattle when booking 5 weeks ahead of your departure date. In general, you can expect to find flights to Barcelona-El Prat Airport for around $911 when searching 5 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Barcelona-El Prat Airport from Seattle for as low as $807 on momondo.

How have Seattle to Barcelona-El Prat Airport flight prices changed over time?

As of January 2025, prices for Seattle to Barcelona-El Prat Airport flights are approximately 6% more expensive when compared to flights at the same time last year.

When to book flights from Seattle to Barcelona-El Prat Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Seattle to Barcelona-El Prat Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Seattle to Barcelona-El Prat Airport (SEA to BCN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Barcelona-El Prat Airport

Best Price Found

$304

Fastest flight time

12h 35m

Direct flights

None
The best one-way flight to Barcelona-El Prat Airport from Seattle in the past 72 hours is $304. The best round-trip flight deal from Seattle to Barcelona-El Prat Airport found on momondo in the last 72 hours is $421.
The fastest flight from Seattle to Barcelona-El Prat Airport takes 12h 35m
There are no direct flights from Seattle to Barcelona-El Prat Airport. Popular non-direct route for this connection is Seattle/Tacoma Intl Airport - Barcelona-El Prat Airport.

  • How far is Seattle/Tacoma Intl to Barcelona-El Prat by plane?

    There are 5412.9 mi between Seattle/Tacoma Intl and Barcelona-El Prat. 12h 35m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Barcelona-El Prat Airport?

    Prices for flights from Seattle/Tacoma Intl Airport to Barcelona-El Prat Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Barcelona-El Prat Airport?

  • How old do you have to be to fly from Seattle/Tacoma Intl Airport to Barcelona-El Prat Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Barcelona-El Prat Airport.

  • What documentation or ID do you need to fly to Barcelona-El Prat Airport?

    The travel and health documents required for your trip to Barcelona-El Prat Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Barcelona-El Prat Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Seattle to Barcelona-El Prat Airport?


Best airlines flying from Seattle to Barcelona-El Prat Airport

Compare and see reviews for airlines that fly from Seattle to Barcelona-El Prat Airport with momondo
Airline
Rating
Free Cancellation
Price
IcelandairPriceFrom $431Free CancellationRating
7.1
502 reviews
Search Icelandair flights
WestJetPriceFrom $445Free CancellationRating
7.2
2,829 reviews
Search WestJet flights
KLMPriceFrom $485Free CancellationRating
7.8
1,341 reviews
Search KLM flights
Aer LingusPriceFrom $501Free CancellationRating
7.1
1,082 reviews
Search Aer Lingus flights
Air CanadaPriceFrom $512Free CancellationRating
7.0
8,633 reviews
Search Air Canada flights
IberiaPriceFrom $525Free CancellationRating
7.0
2,646 reviews
Search Iberia flights
LufthansaPriceFrom $550Free CancellationRating
6.7
7,111 reviews
Search Lufthansa flights
British AirwaysPriceFrom $554Free CancellationRating
6.6
6,834 reviews
Search British Airways flights
American AirlinesPriceFrom $562Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $608Free CancellationRating
7.4
8,984 reviews
Search United Airlines flights

Traveling to a place near Barcelona?

Book flights to Barcelona if you plan to visit one of these locations
Lloret de Mar
Salou
Sitges
El Prat de Llobregat
L'Hospitalet de Llobregat
Calella
Tarragona
Badalona
Castelldefels
Tossa de Mar
Santa Susanna
Malgrat de Mar
Cambrils
Pineda de Mar
Calella de Palafrugell
Roses
Empuriabrava
Palafrugell
Cadaques
La Pineda

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to Barcelona?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Seattle to Barcelona. momondo saves you time and could save you money on your trip.

Can I find flights from Seattle to Barcelona with flexible booking policies on momondo?

Flights from Seattle to Barcelona with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Seattle to Barcelona?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Barcelona from Seattle.

I’m not ready to book a flight from Seattle to Barcelona right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Barcelona from Seattle. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.


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