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Cheap flights from Barcelona-El Prat Airport to Washington from $346

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 5/3. 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 Barcelona-El Prat Airport to Washington

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
7:30 am - 5:00 pmBCN-SEA
42h 30m2 stops
Multiple Airlines Logo
2:35 pm - 8:10 pmSEA-BCN
20h 35m2 stops
$680Multiple Airlines
Find Deal
mar., dic. 2 - mar., dic. 9
Delta Logo
6:00 am - 11:50 amBCN-SEA
14h 50m1 stop
Delta Logo
5:30 am - 11:10 amSEA-BCN
20h 40m2 stops
$722Delta
Find Deal
sáb., ene. 31 - mar., feb. 10
Lufthansa Logo
6:50 am - 1:10 pmBCN-SEA
14h 20m1 stop
Lufthansa Logo
4:10 pm - 11:05 pmSEA-BCN
22h 55m1 stop
$760Lufthansa
Find Deal
lun., mar. 9 - vie., mar. 20
United Airlines Logo
6:50 am - 12:10 pmBCN-SEA
14h 20m1 stop
United Airlines Logo
7:00 am - 9:00 amSEA-BCN
17h 00m1 stop
$768United Airlines
Find Deal
sáb., ene. 31 - mar., feb. 10
Air Canada Logo
6:50 am - 10:16 pmBCN-SEA
23h 26m2 stops
Air Canada Logo
8:10 am - 8:35 amSEA-BCN
40h 25m2 stops
$779Air Canada
Find Deal
lun., mar. 9 - vie., mar. 20
Air Canada Logo
9:10 am - 6:30 pmBCN-PDX
18h 20m2 stops
Air Canada Logo
3:15 pm - 9:35 amPDX-BCN
33h 20m2 stops
$786Air Canada
Find Deal
vie., nov. 21 - jue., dic. 4
Lufthansa Logo
6:50 am - 12:10 pmBCN-SEA
14h 20m1 stop
Lufthansa Logo
2:15 pm - 1:15 pmSEA-BCN
14h 00m1 stop
$790Lufthansa
Find Deal
jue., nov. 20 - jue., abr. 23
United Airlines Logo
6:50 am - 12:10 pmBCN-SEA
14h 20m1 stop
United Airlines Logo
7:00 am - 1:10 pmSEA-BCN
21h 10m1 stop
$807United Airlines
Find Deal
jue., nov. 27 - dom., nov. 30
KLM Logo
6:00 am - 2:59 pmBCN-SEA
17h 59m2 stops
KLM Logo
3:05 pm - 10:25 amSEA-BCN
34h 20m1 stop
$835KLM
Find Deal
mié., dic. 17 - mié., dic. 24
KLM Logo
6:00 am - 11:25 amBCN-PDX
14h 25m1 stop
KLM Logo
1:25 pm - 7:05 pmPDX-BCN
20h 40m1 stop
$879KLM
Find Deal
mié., dic. 17 - mié., dic. 24

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
Jan 31
BCN6:00 amBarcelona-El Prat
14h 50m
1 stop
SEA11:50 amSeattle/Tacoma Intl
Feb 10
SEA5:30 amSeattle/Tacoma Intl
20h 40m
2 stops
BCN11:10 amBarcelona-El Prat
$722
Find similar
Delta
Jan 31
BCN6:00 amBarcelona-El Prat
23h 56m
2 stops
SEA8:56 pmSeattle/Tacoma Intl
Feb 10
SEA1:30 pmSeattle/Tacoma Intl
18h 35m
2 stops
BCN5:05 pmBarcelona-El Prat
$728
Find similar
Delta
Nov 20
BCN6:00 amBarcelona-El Prat
14h 45m
1 stop
SEA11:45 amSeattle/Tacoma Intl
Mar 12
SEA9:40 amSeattle/Tacoma Intl
20h 20m
2 stops
BCN2:00 pmBarcelona-El Prat
$786
Find similar

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

Our best Turkish Airlines deals on Barcelona-El Prat Airport to State of Washington flight tickets
Turkish Airlines
Dec 20
BCN2:25 pmBarcelona-El Prat
35h 40m
1 stop
SEA5:05 pmSeattle/Tacoma Intl
Jan 4
SEA7:00 pmSeattle/Tacoma Intl
19h 50m
1 stop
BCN11:50 pmBarcelona-El Prat
$908
Find similar
Turkish Airlines
Dec 23
BCN7:50 amBarcelona-El Prat
18h 15m
1 stop
SEA5:05 pmSeattle/Tacoma Intl
Jan 3
SEA7:00 pmSeattle/Tacoma Intl
19h 50m
1 stop
BCN11:50 pmBarcelona-El Prat
$922
Find similar
Turkish Airlines
Dec 23
BCN12:05 pmBarcelona-El Prat
38h 00m
1 stop
SEA5:05 pmSeattle/Tacoma Intl
Jan 3
SEA7:00 pmSeattle/Tacoma Intl
19h 50m
1 stop
BCN11:50 pmBarcelona-El Prat
$923
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 noviembre 4, 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

BarcelonaSeattle

BCN - SEA

BCNSEA

Barcelona-El Prat

mar. 12/2

7:30 am-5:00 pm

2 stops42h 30m

Seattle/Tacoma Intl

mar. 12/9

2:35 pm-8:10 pm

2 stops20h 35m

$680

BarcelonaSeattle

BCN - SEA

BCNSEA

Barcelona-El Prat

sáb. 1/31

6:00 am-11:50 am

1 stop14h 50m

Seattle/Tacoma Intl

mar. 2/10

5:30 am-11:10 am

2 stops20h 40m

$722

BarcelonaSeattle

BCN - SEA

BCNSEA

Barcelona-El Prat

lun. 3/9

6:50 am-1:10 pm

1 stop14h 20m

Seattle/Tacoma Intl

vie. 3/20

4:10 pm-11:05 pm

1 stop22h 55m

$760

BarcelonaSeattle

BCN - SEA

BCNSEA

Barcelona-El Prat

sáb. 1/31

6:50 am-12:10 pm

1 stop14h 20m

Seattle/Tacoma Intl

mar. 2/10

7:00 am-9:00 am

1 stop17h 00m

$768

BarcelonaSeattle

BCN - SEA

BCNSEA

Barcelona-El Prat

lun. 3/9

6:50 am-10:16 pm

2 stops23h 26m

Seattle/Tacoma Intl

vie. 3/20

8:10 am-8:35 am

2 stops40h 25m

$779

BarcelonaPortland

BCN - PDX

BCNPDX

Barcelona-El Prat

vie. 11/21

9:10 am-6:30 pm

2 stops18h 20m

Portland

jue. 12/4

3:15 pm-9:35 am

2 stops33h 20m

$786

BarcelonaSeattle

BCN - SEA

BCNSEA

Barcelona-El Prat

jue. 11/20

6:50 am-12:10 pm

1 stop14h 20m

Seattle/Tacoma Intl

jue. 4/23

2:15 pm-1:15 pm

1 stop14h 00m

$790

BarcelonaSeattle

BCN - SEA

BCNSEA

Barcelona-El Prat

jue. 11/27

6:50 am-12:10 pm

1 stop14h 20m

Seattle/Tacoma Intl

dom. 11/30

7:00 am-1:10 pm

1 stop21h 10m

$807

BarcelonaSeattle

BCN - SEA

BCNSEA

Barcelona-El Prat

mié. 12/17

6:00 am-2:59 pm

2 stops17h 59m

Seattle/Tacoma Intl

mié. 12/24

3:05 pm-10:25 am

1 stop34h 20m

$835

BarcelonaPortland

BCN - PDX

BCNPDX

Barcelona-El Prat

mié. 12/17

6:00 am-11:25 am

1 stop14h 25m

Portland

mié. 12/24

1:25 pm-7:05 pm

1 stop20h 40m

$879

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 $873 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 $810 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 34% 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

Direct flights

None
There are no direct flights from Barcelona-El Prat Airport to State of Washington. There are no popular flight routes from Barcelona-El Prat Airport to State of Washington.
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
1,405 reviews
Search KLM flights
DeltaPriceFrom $686Free CancellationRating
7.9
8,004 reviews
Search Delta flights
LufthansaPriceFrom $712Free CancellationRating
6.8
7,552 reviews
Search Lufthansa flights
British AirwaysPriceFrom $768Free CancellationRating
6.7
7,496 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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