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$266+ Cheap flights from Seattle (SEA) 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 6/28. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — MAD
May 6 — May 131
Tue 5/6
Tue 5/13
1 adult, Economy
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Cheap flight deals from Seattle to Spain

Keep the following information in mind while searching for Seattle to Spain flight deals. Data was last updated May 1, 2025.

Round-trip from

$551
(Scandinavian Airlines)

One-way from

$266
(Vakatrip)

Popular in

June

Cheapest in

November

Average price

$1,043
From Seattle/Tacoma Intl to Spain
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One-way flight from Seattle/Tacoma Intl to Spain
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Highest demand for flights based on searches. 23% potential increase in price ($281 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($33 potential savings vs. average RT price).
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Average for round-trip flights in May 2025
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Find flight deals from Seattle to Spain

Cheapest flights from Seattle to Spain
Explore the most affordable flight options available from Seattle to Spain. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 1, 2025.

This FlightHub deal was found by Cheapflights users on 4/30. 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.
Sun 9/214:20 pmSEA - PMI
1 stop31h 45mScandinavian Airlines
Sat 9/278:15 pmPMI - SEA
1 stop26h 45mScandinavian Airlines
Deal found 4/30$529
This Scandinavian Airlines deal was found by Cheapflights users on 4/30. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/154:00 pmSEA - AGP
1 stop18h 20mScandinavian Airlines
Sun 8/248:15 pmAGP - SEA
1 stop26h 35mScandinavian Airlines
Deal found 4/30$551
This Delta deal was found by Cheapflights users on 4/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/236:45 pmSEA - AGP
1 stop15h 15mDelta
Wed 10/85:55 amAGP - SEA
1 stop14h 20mDelta
Deal found 4/30$565
This FlightHub deal was found by Cheapflights users on 4/30. 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.
Fri 8/154:00 pmSEA - VLC
1 stop16h 00mScandinavian Airlines
Sat 8/235:50 pmVLC - SEA
1 stop29h 00mScandinavian Airlines
Deal found 4/30$578
This United deal was found by Cheapflights users on 4/30. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/235:07 amSEA - AGP
2 stops17h 28mMultiple Airlines
Wed 10/86:40 amAGP - SEA
2 stops20h 56mMultiple Airlines
Deal found 4/30$585
This Trip.com deal was found by Cheapflights users on 4/30. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/187:00 pmSEA - PMI
2 stops19h 35mMultiple Airlines
Thu 9/117:30 amPMI - SEA
2 stops22h 10mMultiple Airlines
Deal found 4/30$589
This FlightHub deal was found by Cheapflights users on 4/30. 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.
Sat 11/18:20 pmSEA - BIO
2 stops31h 35mMultiple Airlines
Mon 11/106:50 pmBIO - SEA
1 stop27h 30mMultiple Airlines
Deal found 4/30$613
This Air France deal was found by Cheapflights users on 4/30. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/52:00 pmSEA - AGP
1 stop24h 40mAir France
Wed 11/125:30 pmAGP - SEA
1 stop26h 50mAir France
Deal found 4/30$617
This United Airlines deal was found by Cheapflights users on 4/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/15:36 amSEA - BIO
3 stops46h 19mUnited Airlines
Mon 11/106:45 amBIO - SEA
2 stops42h 53mUnited Airlines
Deal found 4/30$642
This Mytrip deal was found by Cheapflights users on 4/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/174:00 pmSEA - IBZ
2 stops22h 00mMultiple Airlines
Sun 8/241:35 pmIBZ - SEA
2 stops33h 15mMultiple Airlines
Deal found 4/29$650
This Ovago deal was found by Cheapflights users on 4/30. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/316:50 pmSEA - ALC
2 stops17h 05mMultiple Airlines
Sat 2/289:30 pmALC - SEA
2 stops28h 25mMultiple Airlines
Deal found 4/30$653
This FlightHub deal was found by Cheapflights users on 4/30. 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.
Sat 11/13:00 pmSEA - BIO
1 stop23h 55mLufthansa
Mon 11/106:50 pmBIO - SEA
1 stop27h 30mLufthansa
Deal found 4/30$662

Cheapflights Fare Finder

Customize your flight search to find flights from Seattle 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 May 1, 2025.
Use the filters below to find and compare flights from Seattle to Spain that are best for you.

Fly from

Seattle

Fly to

Spain

Route

Depart

Return

Price

SeattlePalma de Mallorca

SEA - PMI

SEAPMI

Seattle/Tacoma Intl

Sun 9/21

4:20 pm-9:05 am

1 stop31h 45m

Palma de Mallorca Son Sant Joan

Sat 9/27

8:15 pm-2:00 pm

1 stop26h 45m

$529

SeattleMálaga

SEA - AGP

SEAAGP

Seattle/Tacoma Intl

Fri 8/15

4:00 pm-7:20 pm

1 stop18h 20m

Malaga

Sun 8/24

8:15 pm-1:50 pm

1 stop26h 35m

$551

SeattleMálaga

SEA - AGP

SEAAGP

Seattle/Tacoma Intl

Tue 9/23

6:45 pm-7:00 pm

1 stop15h 15m

Malaga

Wed 10/8

5:55 am-11:15 am

1 stop14h 20m

$565

SeattleMálaga

SEA - AGP

SEAAGP

Seattle/Tacoma Intl

Tue 9/23

5:07 am-7:35 am

2 stops17h 28m

Malaga

Wed 10/8

6:40 am-6:36 pm

2 stops20h 56m

$585

SeattlePalma de Mallorca

SEA - PMI

SEAPMI

Seattle/Tacoma Intl

Mon 8/18

7:00 pm-11:35 pm

2 stops19h 35m

Palma de Mallorca Son Sant Joan

Thu 9/11

7:30 am-8:40 pm

2 stops22h 10m

$589

SeattleIbiza

SEA - IBZ

SEAIBZ

Seattle/Tacoma Intl

Sun 8/17

4:00 pm-11:00 pm

2 stops22h 00m

Ibiza

Sun 8/24

1:35 pm-1:50 pm

2 stops33h 15m

$650

SeattleIbiza

SEA - IBZ

SEAIBZ

Seattle/Tacoma Intl

Fri 10/3

1:30 pm-2:45 pm

1 stop16h 15m

Ibiza

Tue 10/7

5:45 pm-11:35 am

1 stop26h 50m

$695

SeattleBarcelona

SEA - BCN

SEABCN

Seattle/Tacoma Intl

Tue 5/20

12:45 pm-2:00 pm

1 stop16h 15m

Barcelona-El Prat

Tue 11/18

1:35 pm-6:59 pm

3 stops38h 24m

$704

SeattleBarcelona

SEA - BCN

SEABCN

Seattle/Tacoma Intl

Fri 10/10

2:55 pm-7:50 am

2 stops31h 55m

Barcelona-El Prat

Sat 10/18

12:10 pm-2:16 pm

2 stops35h 06m

$707

SeattleBarcelona

SEA - BCN

SEABCN

Seattle/Tacoma Intl

Tue 9/16

6:18 am-10:30 am

1 stop19h 12m

Barcelona-El Prat

Mon 9/29

9:10 pm-8:04 pm

2 stops31h 54m

$708

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 60 results
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Best time to book a flight from Seattle to Spain

Have a flexible travel schedule? Discover the best time to fly to Spain from Seattle 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 Seattle to Spain

What is the cheapest month to book a flight from Seattle to Spain?

Currently, November is the cheapest month in which you can book a flight from Seattle to Spain (average of $543). Flying from Seattle to Spain in June is currently the most expensive (average of $1,086). 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.

What is the cheapest time of day to fly from SEA to ES?

Find hourly flight availability from Seattle to Spain. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 1, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Seattle to Spain as you normally would.

Rainfall in Spain by month

Plan your trip to Spain by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Spain ranges from 0.8 - 3.6 inches per month. October is typically the wettest month, when rainfall can reach 3.6 in. July is typically the driest time to visit Spain when rainfall is around 0.8 in.

Temperature in Spain by month

Plan your trip to Spain by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Spain, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 75.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 48.2 F).

Reviews of airlines servicing Spain

Get insights into the airlines that provide service to Spain. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Spain. Reviews last updated May 1, 2025.
Read through reviews of airlines operating flights from Seattle to Spain, such as Delta, KLM and Austrian Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,934 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,334 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Austrian Airlines
7.6
Good
781 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Finnair
7.6
Good
1,275 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
SWISS
7.5
Good
1,588 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

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

  • What airport do you fly from for flights from Seattle to Spain?

    Seattle/Tacoma Intl (SEA), located 11.4 mi from the city center, is the airport you fly out of when you book flights from Seattle to Spain.

  • What are the cheapest airlines to fly from Seattle to Spain one-way?

    One-way options have recently been found by users for as low as $309 on Lufthansa. Other airlines that offer cheap prices include Scandinavian Airlines from $389 and JetBlue from $404 one-way.

  • What are the most popular routes from Seattle to Spain?

    The most popular flight routes from Seattle to Spain are Seattle/Tacoma Intl - Barcelona-El Prat, Seattle/Tacoma Intl - Madrid Barajas and Seattle/Tacoma Intl - Valencia.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Seattle 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 Seattle to Spain?

    Currently, November is the cheapest month in which you can book a flight from Seattle to Spain (average of $543). Flying from Seattle to Spain in June is currently the most expensive (average of $1,086). 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

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Alternative routes for Seattle to Spain

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from Seattle to Spain

Discover the top 10 airlines that operate flights from Seattle 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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$416Average$658FlexibilityNo cancel feeOn-time76%
WestJetCheapest$445Average$908FlexibilityNo cancel feeOn-time60%
Scandinavian AirlinesCheapest$475Average$589FlexibilityNo cancel feeOn-time77%
Aer LingusCheapest$502Average$858FlexibilityNo cancel feeOn-timeN/A
IberiaCheapest$507Average$840FlexibilityNo cancel feeOn-time77%
KLMCheapest$568Average$1,000FlexibilityNo cancel feeOn-time75%
British AirwaysCheapest$574Average$1,014FlexibilityNo cancel feeOn-time70%
LufthansaCheapest$581Average$1,009FlexibilityNo cancel feeOn-time76%
Air CanadaCheapest$582Average$1,032FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$584Average$920FlexibilityNo cancel feeOn-time71%

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