What is the cheapest airline that flies from Barcelona-El Prat to Washington?

Finnair, British Airways, and Iberia are the most popular carriers operating from Barcelona-El Prat to Washington

What airlines fly to State of Washington?

Delta, Lufthansa and British Airways are the top three most popular airlines that fly to State of Washington from Barcelona-El Prat Airport according to our data. Delta is the first choice among our users, with 47% of people opting to fly with this airline when traveling to State of Washington. Keep in mind that there are 4 different airlines that fly to State of Washington on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Barcelona-El Prat Airport to Washington?

Prices for flights from Barcelona-El Prat Airport to Washington were last updated today.

How many operators does momondo search for flights from Barcelona-El Prat Airport to Washington?

The number of operators available for flights from Barcelona-El Prat Airport to Washington is 5 as of July 2026.

How old do you have to be to fly from Barcelona-El Prat Airport to Washington?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Barcelona-El Prat Airport to Washington.

What documentation or ID do you need to fly to Washington?

The required travel and health documents for your Washington trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Washington. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$422 Cheap Flights from Barcelona-El Prat Airport to State of Washington in 2026

Q: How many flights depart from Barcelona-El Prat Airport to State of Washington on average per day?

The number of flights available between Barcelona-El Prat Airport and State of Washington is 1 per day as of July 2026. The most frequent departure time is 1:00PM, with 100% of daily flights leaving in the afternoon.

Q: How many flights depart from Barcelona-El Prat Airport to State of Washington on average per week?

As of July 2026, there are 9 flights per week flying from Barcelona-El Prat Airport to State of Washington. The most common day of the week flights depart is Wed, with 33% of flights taking off on this day.

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Barcelona-El Prat Airport to Washington

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:00 am - 4:00 pm

BCN

SEA

17h 00m

1 stop

5:40 pm - 10:10 pm

SEA

BCN

19h 30m

1 stop

$591Condor

Fri, Sep 11 - Sun, Sep 27

8:00 am - 4:00 pm

BCN

SEA

17h 00m

1 stop

6:05 pm - 10:10 pm

SEA

BCN

19h 05m

1 stop

$596Condor

Fri, Aug 28 - Thu, Sep 10

8:00 am - 4:00 pm

BCN

SEA

17h 00m

1 stop

5:45 pm - 4:00 pm

SEA

BCN

13h 15m

1 stop

$607Condor

Thu, Oct 15 - Thu, Apr 29

8:00 am - 1:35 pm

BCN

PDX

14h 35m

1 stop

10:37 am - 10:10 pm

PDX

BCN

26h 33m

2 stops

$690Multiple Airlines

Thu, Sep 3 - Thu, Sep 17

8:00 am - 1:35 pm

BCN

PDX

14h 35m

1 stop

10:37 am - 10:10 pm

PDX

BCN

26h 33m

2 stops

$697Multiple Airlines

Thu, Sep 3 - Thu, Sep 17

11:00 am - 9:30 pm

BCN

GEG

19h 30m

1 stop

1:00 pm - 4:25 pm

GEG

BCN

18h 25m

2 stops

$1,039Delta

Thu, Aug 27 - Thu, Sep 3

4:10 pm - 10:28 am

BCN

GEG

27h 18m

1 stop

5:00 am - 1:15 pm

GEG

BCN

23h 15m

2 stops

$1,042United Airlines

Wed, Sep 30 - Sun, Oct 4

11:15 am - 8:49 pm

BCN

GEG

18h 34m

2 stops

5:00 am - 8:20 am

GEG

BCN

18h 20m

2 stops

$1,043United Airlines

Wed, Sep 30 - Sun, Oct 4

4:10 pm - 11:04 pm

BCN

GEG

15h 54m

1 stop

12:35 pm - 2:20 pm

GEG

BCN

16h 45m

1 stop

$1,198Lufthansa

Thu, Jul 30 - Mon, Aug 3

11:10 am - 11:55 pm

BCN

GEG

21h 45m

2 stops

11:09 am - 5:10 pm

GEG

BCN

21h 01m

2 stops

$1,203Delta

Thu, Jul 30 - Mon, Aug 3

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Condor flights from Barcelona-El Prat Airport to State of Washington

Our best Condor deals on Barcelona-El Prat Airport to State of Washington flight tickets

Condor

Sep 11

BCN8:00 amBarcelona-El Prat

17h 00m

1 stop

SEA4:00 pmSeattle/Tacoma Intl

Sep 27

SEA5:40 pmSeattle/Tacoma Intl

19h 30m

1 stop

BCN10:10 pmBarcelona-El Prat

$591

Condor

Aug 28

BCN8:00 amBarcelona-El Prat

17h 00m

1 stop

SEA4:00 pmSeattle/Tacoma Intl

Sep 10

SEA6:05 pmSeattle/Tacoma Intl

19h 05m

1 stop

BCN10:10 pmBarcelona-El Prat

$596

Condor

Oct 15

BCN8:00 amBarcelona-El Prat

17h 00m

1 stop

SEA4:00 pmSeattle/Tacoma Intl

Apr 29

SEA5:45 pmSeattle/Tacoma Intl

13h 15m

1 stop

BCN4:00 pmBarcelona-El Prat

$607

Delta flights from Barcelona-El Prat Airport to State of Washington

Our best Delta deals on Barcelona-El Prat Airport to State of Washington flight tickets

Delta

Jul 29

BCN1:20 pmBarcelona-El Prat

11h 15m

SEA3:35 pmSeattle/Tacoma Intl

Aug 6

SEA3:35 pmSeattle/Tacoma Intl

10h 35m

BCN11:10 amBarcelona-El Prat

$1,009

Delta

Aug 27

BCN11:00 amBarcelona-El Prat

19h 30m

1 stop

GEG9:30 pmSpokane

Sep 3

GEG1:00 pmSpokane

18h 25m

2 stops

BCN4:25 pmBarcelona-El Prat

$1,039

Delta

Jul 29

BCN1:20 pmBarcelona-El Prat

11h 15m

SEA3:35 pmSeattle/Tacoma Intl

Aug 6

SEA1:30 pmSeattle/Tacoma Intl

17h 05m

1 stop

BCN3:35 pmBarcelona-El Prat

$1,044

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BarcelonaSeattle

BCN - SEA

BCNSEA

Barcelona-El Prat

Fri 9/11

8:00 am-4:00 pm

1 stop17h 00m

Seattle/Tacoma Intl

Sun 9/27

5:40 pm-10:10 pm

1 stop19h 30m

$591

BarcelonaSeattle

BCN - SEA

BCNSEA

Barcelona-El Prat

Fri 8/28

8:00 am-4:00 pm

1 stop17h 00m

Seattle/Tacoma Intl

Thu 9/10

6:05 pm-10:10 pm

1 stop19h 05m

$596

Quickest round-trip

BarcelonaSeattle

BCN - SEA

BCNSEA

Barcelona-El Prat

Thu 10/15

8:00 am-4:00 pm

1 stop17h 00m

Seattle/Tacoma Intl

Thu 4/29

5:45 pm-4:00 pm

1 stop13h 15m

$607

BarcelonaPortland

BCN - PDX

BCNPDX

Barcelona-El Prat

Thu 9/3

8:00 am-1:35 pm

1 stop14h 35m

Portland

Thu 9/17

10:37 am-10:10 pm

2 stops26h 33m

$690

BarcelonaPortland

BCN - PDX

BCNPDX

Barcelona-El Prat

Thu 9/3

8:00 am-1:35 pm

1 stop14h 35m

Portland

Thu 9/17

10:37 am-10:10 pm

2 stops26h 33m

$697

BarcelonaSpokane

BCN - GEG

BCNGEG

Barcelona-El Prat

Thu 8/27

11:00 am-9:30 pm

1 stop19h 30m

Spokane

Thu 9/3

1:00 pm-4:25 pm

2 stops18h 25m

$1,039

BarcelonaSpokane

BCN - GEG

BCNGEG

Barcelona-El Prat

Wed 9/30

4:10 pm-10:28 am

1 stop27h 18m

Spokane

Sun 10/4

5:00 am-1:15 pm

2 stops23h 15m

$1,042

BarcelonaSpokane

BCN - GEG

BCNGEG

Barcelona-El Prat

Wed 9/30

11:15 am-8:49 pm

2 stops18h 34m

Spokane

Sun 10/4

5:00 am-8:20 am

2 stops18h 20m

$1,043

BarcelonaSpokane

BCN - GEG

BCNGEG

Barcelona-El Prat

Thu 7/30

4:10 pm-11:04 pm

1 stop15h 54m

Spokane

Mon 8/3

12:35 pm-2:20 pm

1 stop16h 45m

$1,198

BarcelonaSpokane

BCN - GEG

BCNGEG

Barcelona-El Prat

Thu 7/30

11:10 am-11:55 pm

2 stops21h 45m

Spokane

Mon 8/3

11:09 am-5:10 pm

2 stops21h 01m

$1,203

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Barcelona-El Prat Airport to State of Washington

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

Prices

Airlines

Other information

What is the cheapest month to fly to State of Washington?

The month of January is, on average, the cheapest month to fly to State of Washington from Barcelona-El Prat Airport, with most prices found around $803. If you aren’t able to travel to State of Washington during the month of January, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $810.

What is the cheapest day to depart on your flight to State of Washington?

The cheapest day to depart from Barcelona-El Prat Airport to State of Washington is on a Sunday. Travelers who choose to depart for State of Washington on a Sunday will often find tickets for as low as $1,026. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Barcelona-El Prat Airport to State of Washington for around $1,133.

What is the cheapest Barcelona-El Prat to Washington flight route?

Fly from Barcelona-El Prat to Seattle/Tacoma Intl for the best Barcelona-El Prat - Washington flight prices

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

You are more likely to see cheaper flights to State of Washington from Barcelona-El Prat Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to State of Washington for around $895 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to State of Washington from Barcelona-El Prat Airport for as low as $732 on momondo.

What cabin class options are available on Barcelona-El Prat Airport to State of Washington flights?

There are 2 cabin classes available to choose from on Barcelona-El Prat Airport to State of Washington flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap Barcelona-El Prat Airport to State of Washington flight deals and tips

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

Best Price Found	$560
Fastest flight time	11h 15m
Direct flights	Mon, Thu and Sat
Airports in State of Washington	96 airports

The best one-way flight to State of Washington from Barcelona-El Prat Airport in the past 72 hours is $560. The best round-trip flight deal from Barcelona-El Prat Airport to State of Washington found on momondo in the last 72 hours is $1,011.

The fastest flight from Barcelona-El Prat Airport to State of Washington takes 11h 15m

Direct flights go from Barcelona-El Prat Airport to State of Washington on Monday, Thursday and Saturday. There are no airlines offering direct flights.

There are 96 airports in State of Washington. From Barcelona-El Prat Airport there are direct flights to Seattle/Tacoma Intl (SEA).

Search flight deals

Frequently asked questions about flying from Barcelona-El Prat Airport to Washington

When did momondo last update prices for flights from Barcelona-El Prat Airport to Washington?
Prices for flights from Barcelona-El Prat Airport to Washington were last updated today.
How many operators does momondo search for flights from Barcelona-El Prat Airport to Washington?
The number of operators available for flights from Barcelona-El Prat Airport to Washington is 5 as of July 2026.
How old do you have to be to fly from Barcelona-El Prat Airport to Washington?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Barcelona-El Prat Airport to Washington.
What documentation or ID do you need to fly to Washington?
The required travel and health documents for your Washington trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Washington. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Barcelona-El Prat Airport to State of Washington?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Barcelona-El Prat Airport to State of Washington is Airbus A330-900neo (64.52% of total bookings). The next most popular plane models are Boeing 777 (30.65%), Airbus A330 (4.03%), and Airbus A330-200 (0.81%).

Best airlines flying from Barcelona-El Prat Airport to State of Washington

Compare and see reviews for airlines that fly from Barcelona-El Prat Airport to State of Washington with momondo

Airline	Rating	Free Cancellation	Price
Condor	PriceFrom $600	Free Cancellation	Rating 6.6 523 reviews	Search Condor flights
British Airways	PriceFrom $662	Free Cancellation	Rating 6.7 8,122 reviews	Search British Airways flights
Lufthansa	PriceFrom $777	Free Cancellation	Rating 6.8 8,143 reviews	Search Lufthansa flights
Delta	PriceFrom $814	Free Cancellation	Rating 7.8 8,476 reviews	Search Delta flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Barcelona to Washington. Millions of users trust and use momondo every year so you are in good hands.

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

Flights from Barcelona to Washington 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 Barcelona to Washington?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Barcelona to Washington.

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

Of course. momondo tracks the price of Barcelona to Washington flights. All you need is a valid email address and we will do the rest; it is that quick and easy.