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Cheap flights from Barcelona-El Prat Airport to Washington from $358

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Barcelona-El Prat Airport to Washington departing on 1/15. 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 Barcelona-El Prat Airport to Washington

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
2:00 pm - 8:27 pm
BCN
-
PDX
39h 27m1 stop
Multiple Airlines Logo
8:30 am - 1:20 pm
PDX
-
BCN
19h 50m2 stops
$679Multiple Airlines
Thu, Feb 5 - Wed, Feb 18
Multiple Airlines Logo
7:30 am - 5:00 pm
BCN
-
SEA
18h 30m2 stops
Multiple Airlines Logo
2:35 pm - 8:15 pm
SEA
-
BCN
20h 40m2 stops
$709Multiple Airlines
Wed, Jan 14 - Wed, Jan 21
Multiple Airlines Logo
7:30 am - 5:00 pm
BCN
-
SEA
18h 30m2 stops
Multiple Airlines Logo
2:35 pm - 5:40 pm
SEA
-
BCN
18h 05m2 stops
$711Multiple Airlines
Fri, Jan 30 - Fri, Feb 6
Icelandair Logo
11:50 am - 5:00 pm
BCN
-
SEA
14h 10m1 stop
Icelandair Logo
2:35 pm - 1:35 pm
SEA
-
BCN
14h 00m1 stop
$717Icelandair
Fri, Jan 16 - Fri, Jan 30
Icelandair Logo
11:50 am - 5:00 pm
BCN
-
SEA
14h 10m1 stop
Icelandair Logo
2:35 pm - 1:35 pm
SEA
-
BCN
14h 00m1 stop
$719Icelandair
Fri, Jan 16 - Fri, Jan 30
Icelandair Logo
11:50 am - 5:00 pm
BCN
-
SEA
14h 10m1 stop
Icelandair Logo
2:35 pm - 1:35 pm
SEA
-
BCN
14h 00m1 stop
$722Icelandair
Fri, Jan 16 - Fri, Jan 30
Iberia Logo
10:40 am - 10:11 pm
BCN
-
PDX
20h 31m1 stop
Iberia Logo
5:45 pm - 7:45 pm
PDX
-
BCN
17h 00m1 stop
$767Iberia
Mon, Feb 2 - Mon, Feb 16
British Airways Logo
8:40 pm - 3:55 pm
BCN
-
PDX
28h 15m1 stop
British Airways Logo
2:13 pm - 5:20 pm
PDX
-
BCN
18h 07m2 stops
$774British Airways
Tue, Jan 13 - Tue, Jan 20
United Airlines Logo
11:00 am - 11:37 am
BCN
-
PSC
33h 37m2 stops
United Airlines Logo
12:45 pm - 9:00 am
PSC
-
BCN
35h 15m2 stops
$922United Airlines
Thu, Jan 22 - Sun, Jan 25
United Airlines Logo
11:00 am - 11:37 am
BCN
-
PSC
33h 37m2 stops
United Airlines Logo
12:45 pm - 9:00 am
PSC
-
BCN
35h 15m2 stops
$923United Airlines
Thu, Jan 22 - Sun, Jan 25

United Airlines flights from Barcelona-El Prat Airport to State of Washington

Our best United Airlines deals on Barcelona-El Prat Airport to State of Washington flight tickets
United Airlines
Jan 29
BCN6:50 amBarcelona-El Prat
14h 20m
1 stop
SEA12:10 pmSeattle/Tacoma Intl
Feb 2
SEA5:00 amSeattle/Tacoma Intl
27h 35m
2 stops
BCN5:35 pmBarcelona-El Prat
$791
Find similar
United Airlines
Jan 29
BCN6:50 amBarcelona-El Prat
14h 20m
1 stop
SEA12:10 pmSeattle/Tacoma Intl
Feb 2
SEA5:00 amSeattle/Tacoma Intl
27h 35m
2 stops
BCN5:35 pmBarcelona-El Prat
$792
Find similar
United Airlines
Jan 26
BCN9:55 amBarcelona-El Prat
22h 11m
2 stops
PDX11:06 pmPortland
Feb 9
PDX7:00 amPortland
17h 00m
2 stops
BCN9:00 amBarcelona-El Prat
$793
Find similar

British Airways flights from Barcelona-El Prat Airport to State of Washington

Our best British Airways deals on Barcelona-El Prat Airport to State of Washington flight tickets
British Airways
Jan 14
BCN6:40 amBarcelona-El Prat
19h 15m
1 stop
SEA4:55 pmSeattle/Tacoma Intl
Jan 21
SEA6:50 pmSeattle/Tacoma Intl
15h 55m
1 stop
BCN7:45 pmBarcelona-El Prat
$767
Find similar
British Airways
Jan 29
BCN10:40 amBarcelona-El Prat
20h 19m
1 stop
SEA9:59 pmSeattle/Tacoma Intl
Feb 5
SEA8:04 amSeattle/Tacoma Intl
18h 21m
2 stops
BCN11:25 amBarcelona-El Prat
$768
Find similar
British Airways
Jan 14
BCN12:30 pmBarcelona-El Prat
18h 37m
1 stop
SEA10:07 pmSeattle/Tacoma Intl
Jan 21
SEA10:50 amSeattle/Tacoma Intl
17h 50m
2 stops
BCN1:40 pmBarcelona-El Prat
$769
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Barcelona-El Prat Airport to State of Washington 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, momondo users made 832,500 searches. Data last updated December 18, 2025.
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

BarcelonaPortland

BCN - PDX

BCNPDX

Barcelona-El Prat

Thu 2/5

2:00 pm-8:27 pm

1 stop39h 27m

Portland

Wed 2/18

8:30 am-1:20 pm

2 stops19h 50m

$679

BarcelonaSeattle

BCN - SEA

BCNSEA

Barcelona-El Prat

Wed 1/14

7:30 am-5:00 pm

2 stops18h 30m

Seattle/Tacoma Intl

Wed 1/21

2:35 pm-8:15 pm

2 stops20h 40m

$709

BarcelonaSeattle

BCN - SEA

BCNSEA

Barcelona-El Prat

Fri 1/30

7:30 am-5:00 pm

2 stops18h 30m

Seattle/Tacoma Intl

Fri 2/6

2:35 pm-5:40 pm

2 stops18h 05m

$711

BarcelonaSeattle

BCN - SEA

BCNSEA

Barcelona-El Prat

Fri 1/16

11:50 am-5:00 pm

1 stop14h 10m

Seattle/Tacoma Intl

Fri 1/30

2:35 pm-1:35 pm

1 stop14h 00m

$717

BarcelonaSeattle

BCN - SEA

BCNSEA

Barcelona-El Prat

Fri 1/16

11:50 am-5:00 pm

1 stop14h 10m

Seattle/Tacoma Intl

Fri 1/30

2:35 pm-1:35 pm

1 stop14h 00m

$719

BarcelonaSeattle

BCN - SEA

BCNSEA

Barcelona-El Prat

Fri 1/16

11:50 am-5:00 pm

1 stop14h 10m

Seattle/Tacoma Intl

Fri 1/30

2:35 pm-1:35 pm

1 stop14h 00m

$722

BarcelonaPortland

BCN - PDX

BCNPDX

Barcelona-El Prat

Mon 2/2

10:40 am-10:11 pm

1 stop20h 31m

Portland

Mon 2/16

5:45 pm-7:45 pm

1 stop17h 00m

$767

BarcelonaPortland

BCN - PDX

BCNPDX

Barcelona-El Prat

Tue 1/13

8:40 pm-3:55 pm

1 stop28h 15m

Portland

Tue 1/20

2:13 pm-5:20 pm

2 stops18h 07m

$774

BarcelonaPasco

BCN - PSC

BCNPSC

Barcelona-El Prat

Thu 1/22

11:00 am-11:37 am

2 stops33h 37m

Pasco Tri Cities

Sun 1/25

12:45 pm-9:00 am

2 stops35h 15m

$922

BarcelonaPasco

BCN - PSC

BCNPSC

Barcelona-El Prat

Thu 1/22

11:00 am-11:37 am

2 stops33h 37m

Pasco Tri Cities

Sun 1/25

12:45 pm-9:00 am

2 stops35h 15m

$923

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Washington from

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

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

The month of March is, on average, the cheapest month to fly to State of Washington from Barcelona-El Prat Airport, with most prices found around $708. If you aren’t able to travel to State of Washington during the month of March, then flying in May is also cheap. Prices for this month can be found on momondo for an average of $729.

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 Tuesday. Travelers who choose to depart for State of Washington on a Tuesday will often find tickets for as low as $784. When flying out on a Sunday, 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 $1,377.

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

The cheapest time of day to fly to State of Washington is in the morning when flights can be purchased for as low as $877. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $1,226 on average. Flights to State of Washington from Barcelona-El Prat Airport at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

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 to State of 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 $853 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 $776 on momondo.

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

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

Can stopping save me money on Barcelona-El Prat Airport to State of Washington flights?

You could potentially save up to 41% on your flight if you consider stops on a Barcelona-El Prat Airport to State of Washington flight.

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

Fastest flight time

13h 45m

Direct flights

Mon, Thu and Sat

Airports in State of Washington

96 airports
The fastest flight from Barcelona-El Prat Airport to State of Washington takes 13h 45m
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

  • 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?

  • 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?

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
KLMPriceFrom $677Free CancellationRating
7.7
1,430 reviews
Search KLM flights
DeltaPriceFrom $706Free CancellationRating
7.9
8,006 reviews
Search Delta flights
LufthansaPriceFrom $712Free CancellationRating
6.8
7,634 reviews
Search Lufthansa flights
British AirwaysPriceFrom $768Free CancellationRating
6.7
7,583 reviews
Search British Airways 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.

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