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$262+ Cheap flights from Washington to Spain

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/26. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — MAD
Apr 29 — May 61
Wed 4/29
Wed 5/6
1 adult, Economy
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Cheap flight deals from Washington to Spain

Cheapest flights from Washington to Spain
Explore the most affordable flight options available from Washington to Spain. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 30, 2026.

This Kiwi.com deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/132:10 pm
SEA
-
PMI
1 stop19h 20m
Lufthansa
Wed 4/298:50 am
PMI
-
SEA
1 stop17h 09m
Lufthansa
Deal found 3/28$486
This Kiwi.com deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/132:10 pm
SEA
-
PMI
1 stop19h 20m
Multiple Airlines
Wed 4/299:40 am
PMI
-
SEA
2 stops20h 17m
Multiple Airlines
Deal found 3/28$489
This Cheapflightsfares deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/212:30 pm
PDX
-
AGP
2 stops18h 25m
Lufthansa
Wed 4/296:45 pm
AGP
-
PDX
2 stops36h 50m
Lufthansa
Deal found 3/27$511
This FlightHub deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/195:40 am
SEA
-
PMI
2 stops17h 50m
Air Canada
Sat 9/51:10 pm
PMI
-
SEA
2 stops18h 38m
Air Canada
Deal found 3/26$520
This KAYAK deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/212:30 pm
PDX
-
AGP
2 stops18h 25m
Multiple Airlines
Wed 4/296:30 am
AGP
-
PDX
2 stops25h 04m
Multiple Airlines
Deal found 3/28$544
This Cheapflightsfares deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/86:05 pm
SEA
-
BCN
1 stop19h 05m
Condor
Tue 10/1310:25 am
BCN
-
SEA
1 stop14h 15m
Condor
Deal found 3/26$562
This BusinessClass deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/195:40 am
SEA
-
PMI
2 stops17h 50m
Multiple Airlines
Sat 9/59:40 am
PMI
-
SEA
1 stop13h 55m
Multiple Airlines
Deal found 3/27$563
This Cheapflightsfares deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/202:10 pm
SEA
-
AGP
2 stops18h 45m
Lufthansa
Mon 4/276:45 pm
AGP
-
SEA
2 stops26h 35m
Lufthansa
Deal found 3/27$568
This Cheapflightsfares deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/75:40 pm
SEA
-
BCN
1 stop19h 30m
Condor
Wed 10/218:00 am
BCN
-
SEA
1 stop16h 40m
Condor
Deal found 3/27$574
This oojo deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/183:55 pm
SEA
-
BCN
1 stop32h 00m
Scandinavian Airlines
Thu 9/2412:25 pm
BCN
-
SEA
1 stop34h 20m
Scandinavian Airlines
Deal found 3/26$575
This Justfly.com deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/32:35 pm
SEA
-
AGP
1 stop14h 10m
Icelandair
Wed 11/112:45 pm
AGP
-
SEA
1 stop35h 15m
Icelandair
Deal found 3/28$583
This Justfly.com deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/63:55 pm
SEA
-
VLC
1 stop34h 05m
Scandinavian Airlines
Sat 9/1212:50 pm
VLC
-
SEA
1 stop33h 55m
Scandinavian Airlines
Deal found 3/26$587

Find flight deals from Washington to Spain

Keep the following information in mind while searching for Washington to Spain flight deals. Data was last updated March 30, 2026.

Round-trip from

$486
(Kiwi.com)

One-way from

$262
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$701

Good round-trip deal

$1,050 or less

Good one-way deal

$734 or less
From Washington to Spain
Search Deals
One-way flight from Washington to Spain
Search Deals
Highest demand for flights based on searches. 22% potential increase in price ($214 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($36 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals
Price to beat on a round-trip flight from Washington to Spain.
Search Deals
Price to beat on a one-way flight from Washington to Spain.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington to Spain 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, Cheapflights users made 2,558,603 searches. Data last updated March 30, 2026.
Use the filters below to find and compare flights from Washington to Spain that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattlePalma de Mallorca

SEA - PMI

SEAPMI

Seattle/Tacoma Intl

Fri 8/21

3:55 pm-8:25 pm

2 stops43h 30m

Palma de Mallorca Son Sant Joan

Fri 9/4

1:00 pm-1:45 pm

2 stops33h 45m

$625

SeattleValencia

SEA - VLC

SEAVLC

Seattle/Tacoma Intl

Thu 5/7

7:10 pm-9:55 am

1 stop29h 45m

Valencia

Fri 5/15

11:05 am-5:15 pm

1 stop39h 10m

$656

SeattleBilbao

SEA - BIO

SEABIO

Seattle/Tacoma Intl

Tue 9/1

7:10 pm-5:20 pm

1 stop37h 10m

Bilbao

Tue 9/8

12:10 pm-5:15 pm

1 stop38h 05m

$656

SeattleBilbao

SEA - BIO

SEABIO

Seattle/Tacoma Intl

Mon 5/11

7:10 pm-5:20 pm

1 stop37h 10m

Bilbao

Mon 5/18

12:10 pm-5:15 pm

1 stop38h 05m

$696
Quickest round-trip

SeattlePalma de Mallorca

SEA - PMI

SEAPMI

Seattle/Tacoma Intl

Mon 8/10

4:35 pm-3:05 pm

1 stop13h 30m

Palma de Mallorca Son Sant Joan

Tue 9/1

12:05 pm-4:59 pm

1 stop13h 54m

$720

SeattleBarcelona

SEA - BCN

SEABCN

Seattle/Tacoma Intl

Wed 4/15

7:10 pm-11:15 pm

1 stop19h 05m

Barcelona-El Prat

Sun 4/19

7:40 am-5:15 pm

1 stop18h 35m

$726

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

Sat 8/22

3:55 pm-12:00 pm

1 stop35h 05m

Madrid Barajas

Mon 8/31

12:50 pm-1:45 pm

1 stop33h 55m

$740

SeattleMálaga

SEA - AGP

SEAAGP

Seattle/Tacoma Intl

Fri 9/25

7:10 pm-10:50 am

1 stop30h 40m

Malaga

Tue 9/29

5:45 pm-5:15 pm

1 stop32h 30m

$745

SeattlePalma de Mallorca

SEA - PMI

SEAPMI

Seattle/Tacoma Intl

Mon 8/10

4:35 pm-5:30 pm

1 stop15h 55m

Palma de Mallorca Son Sant Joan

Thu 8/27

6:30 pm-4:59 pm

1 stop31h 29m

$760

SeattleBilbao

SEA - BIO

SEABIO

Seattle/Tacoma Intl

Tue 9/1

7:10 pm-5:20 pm

1 stop37h 10m

Bilbao

Tue 9/8

7:35 pm-5:15 pm

2 stops30h 40m

$763

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Washington to Spain

Have a flexible travel schedule? Discover the best time to fly to Spain from Washington with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Washington to Spain

What is the cheapest month to book a flight from State of Washington to Spain?

Currently, January is the cheapest month in which you can book a flight from State of Washington to Spain (average of $353). Flying from State of Washington to Spain in June is currently the most expensive (average of $755). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Washington to Spain. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from State of Washington to Spain?

    A quick flight from State of Washington to Spain can take about 18h 25m. Air Canada provides one of the quickest options available for as low as $639. The distance from State of Washington to Spain is about 5292 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from State of Washington to Spain one-way?

    One-way options have recently been found by users for as low as $229 on British Airways. Other airlines that offer cheap prices include Icelandair from $260 and Aer Lingus from $267 one-way.

  • Can I find deals for flights from Washington to Spain that include hotel bookings?

    Yes. In addition to deals on Washington to Spain flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Washington to Spain?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington to Spain.

  • Can I find deals for business class flights from Washington to Spain?

    Yes. Cheapflights offers flight deals from Washington to Spain by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from State of Washington to Spain?

    Currently, January is the cheapest month in which you can book a flight from State of Washington to Spain (average of $353). Flying from State of Washington to Spain in June is currently the most expensive (average of $755). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Washington to Spain

See prices for flight routes from nearby airports that may be better suited for you.
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San Francisco to Heathrow flights
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Boston to Gatwick flights
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Top 10 airlines flying from Washington to Spain

Discover the top 10 airlines that operate flights from Washington to Spain. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 30, 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$123Average$1,152FlexibilityNo cancel feeOn-time62%
IcelandairCheapest$367Average$554FlexibilityNo cancel feeOn-time76%
Aer LingusCheapest$438Average$809FlexibilityNo cancel feeOn-timeN/A
IberiaCheapest$439Average$730FlexibilityNo cancel feeOn-time77%
Scandinavian AirlinesCheapest$440Average$561FlexibilityNo cancel feeOn-time77%
Air FranceCheapest$471Average$795FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$476Average$789FlexibilityNo cancel feeOn-time69%
KLMCheapest$478Average$889FlexibilityNo cancel feeOn-time75%
Air CanadaCheapest$478Average$732FlexibilityNo cancel feeOn-time67%
British AirwaysCheapest$480Average$805FlexibilityNo cancel feeOn-time70%

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