S$733 Cheap Flights from Seattle to Barcelona

View S$733 flight on Mon, 8 Sep, 2025Opens in a new window

Popular airlines from Seattle-Tacoma International Airport (SEA) to Barcelona El Prat Airport (BCN)

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Cheap Flights from Seattle to Barcelona (SEA-BCN)

Prices were available within the past 7 days and start at S$733 for one-way flights and S$900 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Mon, 8 Sep - Mon, 15 Sep
SEA
Seattle
BCN
Barcelona
S$900 Return, found 3 days ago
S$900
Return
found 3 days ago
Select United flight, departing Mon, 8 Sep from Seattle to Barcelona, returning Mon, 15 Sep, priced at S$900 found 3 days ago
British Airways
Mon, 8 Sep - Mon, 15 Sep
SEA
Seattle
BCN
Barcelona
S$904 Return, found 3 days ago
S$904
Return
found 3 days ago
Select British Airways flight, departing Mon, 8 Sep from Seattle to Barcelona, returning Mon, 15 Sep, priced at S$904 found 3 days ago
Swiss International Air Lines
Mon, 8 Sep - Mon, 15 Sep
SEA
Seattle
BCN
Barcelona
S$925 Return, found 3 days ago
S$925
Return
found 3 days ago
Select Swiss International Air Lines flight, departing Mon, 8 Sep from Seattle to Barcelona, returning Mon, 15 Sep, priced at S$925 found 3 days ago
Air Canada
Mon, 8 Sep - Mon, 15 Sep
SEA
Seattle
BCN
Barcelona
S$926 Return, found 3 days ago
S$926
Return
found 3 days ago
Select Air Canada flight, departing Mon, 8 Sep from Seattle to Barcelona, returning Mon, 15 Sep, priced at S$926 found 3 days ago
United
Mon, 8 Sep - Mon, 15 Sep
SEA
Seattle
BCN
Barcelona
S$926 Return, found 3 days ago
S$926
Return
found 3 days ago
Select United flight, departing Mon, 8 Sep from Seattle to Barcelona, returning Mon, 15 Sep, priced at S$926 found 3 days ago
United
Mon, 8 Sep - Mon, 15 Sep
SEA
Seattle
BCN
Barcelona
S$932 Return, found 3 days ago
S$932
Return
found 3 days ago
Select United flight, departing Mon, 8 Sep from Seattle to Barcelona, returning Mon, 15 Sep, priced at S$932 found 3 days ago
Air Canada
Mon, 8 Sep - Mon, 15 Sep
SEA
Seattle
BCN
Barcelona
S$934 Return, found 3 days ago
S$934
Return
found 3 days ago
Select Air Canada flight, departing Mon, 8 Sep from Seattle to Barcelona, returning Mon, 15 Sep, priced at S$934 found 3 days ago
United
Mon, 8 Sep - Mon, 15 Sep
SEA
Seattle
BCN
Barcelona
S$939 Return, found 3 days ago
S$939
Return
found 3 days ago
Select United flight, departing Mon, 8 Sep from Seattle to Barcelona, returning Mon, 15 Sep, priced at S$939 found 3 days ago
United
Mon, 8 Sep - Mon, 15 Sep
SEA
Seattle
BCN
Barcelona
S$948 Return, found 3 days ago
S$948
Return
found 3 days ago
Select United flight, departing Mon, 8 Sep from Seattle to Barcelona, returning Mon, 15 Sep, priced at S$948 found 3 days ago
American Airlines
Mon, 8 Sep - Mon, 15 Sep
SEA
Seattle
BCN
Barcelona
S$1,117 Return, found 3 days ago
S$1,117
Return
found 3 days ago
Select American Airlines flight, departing Mon, 8 Sep from Seattle to Barcelona, returning Mon, 15 Sep, priced at S$1,117 found 3 days ago

Find the cheapest month to fly from Seattle (SEA) to Barcelona (BCN)

November is typically the cheapest month to fly

From S$523 - S$1,596 per traveller.

Graph displaying average flight prices per month

Seattle to Barcelona route information
Origin airport
Seattle - Tacoma Intl.
Destination airport
Barcelona Intl.
Return price
S$899
Distance
8678 km

Flights from Seattle to Barcelona

There are several airlines that operate frequent flights from Seattle (SEA) to Barcelona (BCN) including

The earliest flight leaves Seattle Tacoma Intl. Airport at 06:15 and arrives at Barcelona Intl. Airport at 06:10. The last flight of the day departs Seattle at 23:25 and arrives at Barcelona at 23:05.

The flight distance from Seattle to Barcelona is about 9872 km, the shortest flight is 12 hours 45 minutes with Virgin Atlantic.

Expedia lets you search across the largest number of airlines and Barcelona flights, which means that you’ll be able to find a great flight deal at the perfect travel date and time. Our simple-to-use booking engine makes looking for terrific bargains easy and hassle-free; just enter your travel dates and departure city, and let Expedia do the rest! Adjust your travel dates and explore connecting flights to find an even better deal on your Seattle Barcelona flight!

Browse through dozens of options and rest assured that you’re seeing the best price guaranteed! Our friendly customer service representatives are here to serve you 24 hours day to provide assistance and answer any questions that you may have about booking your Seattle to Barcelona trip. There’s simply no substitute for great prices suited to your travel needs and backed by excellent customer support.

Combine your Barcelona flight with a hotel and/or car rental for a package deal designed to save you even more money! Discover additional savings by booking in advance or find a last minute deal. There are tons of ways to save on your flights from Seattle to Barcelona with Expedia. Use us as your stop travel destination and have the confidence that you’re getting a bargain!

Frequently asked questions

How much is a flight from SEA to Barcelona Airport?
Round-trip tickets from Seattle - Tacoma Intl. Airport (SEA) to Barcelona Intl. Airport (BCN) start from S$900. This figure is based on fares offered within the last 7 days on Expedia for flights departing within the next year --- make your booking ASAP so you don't miss out. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Sea-Tac Airport to BCN?
The majority of flights can be cancelled online, but each airline has its own terms and conditions. If you do decide to cancel your flight, go to our Customer Service Portal and follow the instructions.
How do I find cheap flights from Seattle - Tacoma Intl. Airport (SEA) to Barcelona Intl. Airport (BCN) that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for SEA to Josep Tarradellas Barcelona--El Prat Airport flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Seattle - Tacoma Intl. Airport (SEA) to Josep Tarradellas Barcelona--El Prat Airport?
With a flight distance of 8,700 kilometres from Seattle - Tacoma Intl. Airport (SEA) to Barcelona Intl. Airport (BCN), this is a long-haul trip. Ensure that you drink lots of water and move your legs every so often.
Which airlines fly direct from Sea-Tac Airport to BCN?
You won't find any airlines operating directly between SEA and Josep Tarradellas Barcelona--El Prat Airport, so be prepared to make at least one stop on your journey. A layover can be a welcome way to break up a trip!
Are Sea-Tac Airport to Josep Tarradellas Barcelona--El Prat Airport flight tickets cheaper when they're purchased at the last minute?
Booking your trip from Seattle - Tacoma Intl. Airport (SEA) to Josep Tarradellas Barcelona--El Prat Airport at the last minute could save you some serious cash. However, it could end up costing you a whole lot more! If you'd prefer not to take any chances, book well ahead of your departure date. In fact, Expedia has some of the best bargains up to a year in advance. If your preferred air carrier hasn't released tickets yet, check back regularly as deals are updated on Expedia all the time.

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