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Alicante

$497+ Cheap flights from Seattle (SEA) to Alicante (ALC)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/8. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — ALC
Dec 17 — Dec 241
Wed 12/17
Wed 12/24
1 adult, Economy
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Cheap flight deals from Seattle to Alicante

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Alicante (ALC). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 17, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$441
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$548
Provider with most accurate pricing for Seattle/Tacoma Intl-Alicante flight deals.
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Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Alicante flights.
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From Seattle/Tacoma Intl to Alicante
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Highest demand for flights based on searches. 18% potential increase in price ($229 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($69 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Find flight deals from Seattle to Alicante

Cheapest flights from Seattle to Alicante
Explore the most affordable flight options available from Seattle to Alicante. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 17, 2025.

This Ticket deal was found by Cheapflights users on 11/16. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/313:05 pmSEA - ALC
1 stop17h 50mKLM
Wed 1/79:00 pmALC - SEA
1 stop23h 50mKLM
Deal found 11/16$692
This Expedia deal was found by Cheapflights users on 11/16. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/312:05 pmSEA - ALC
2 stops18h 50mMultiple Airlines
Wed 1/79:00 pmALC - SEA
2 stops32h 00mMultiple Airlines
Deal found 11/16$1,051
This KLM deal was found by Cheapflights users on 11/16. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/163:05 pmSEA - ALC
1 stop33h 20mKLM
Tue 12/231:35 pmALC - SEA
1 stop31h 15mKLM
Deal found 11/16$1,213
This Expedia deal was found by Cheapflights users on 11/16. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/1610:43 amSEA - ALC
2 stops25h 12mIberia
Tue 12/239:30 pmALC - SEA
2 stops52h 25mIberia
Deal found 11/16$1,260
This Kiwi.com deal was found by Cheapflights users on 11/16. 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.
Tue 12/1611:30 amSEA - ALC
2 stops27h 20mMultiple Airlines
Tue 12/233:10 pmALC - SEA
1 stop34h 50mMultiple Airlines
Deal found 11/16$1,322

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seattle to Alicante 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 November 17, 2025.
Use the filters below to find and compare flights from Seattle to Alicante that are best for you.

Fly from

Seattle

Fly to

Alicante

Route

Depart

Return

Price

SeattleAlicante

SEA - ALC

SEAALC

Seattle/Tacoma Intl

Thu 1/8

2:00 pm-5:05 pm

1 stop18h 05m

Alicante

Wed 2/18

12:00 pm-10:43 pm

2 stops19h 43m

$497

SeattleAlicante

SEA - ALC

SEAALC

Seattle/Tacoma Intl

Sun 1/11

6:50 pm-11:10 am

1 stop31h 20m

Alicante

Sat 2/28

7:55 pm-4:55 pm

1 stop30h 00m

$508

SeattleAlicante

SEA - ALC

SEAALC

Seattle/Tacoma Intl

Mon 1/5

6:50 pm-1:15 pm

1 stop33h 25m

Alicante

Wed 2/25

2:10 pm-4:55 pm

1 stop35h 45m

$508

SeattleAlicante

SEA - ALC

SEAALC

Seattle/Tacoma Intl

Thu 1/8

6:50 pm-7:00 pm

1 stop15h 10m

Alicante

Mon 2/23

6:15 pm-4:55 pm

1 stop31h 40m

$508

SeattleAlicante

SEA - ALC

SEAALC

Seattle/Tacoma Intl

Mon 1/12

6:50 pm-1:15 pm

1 stop33h 25m

Alicante

Tue 1/20

9:30 pm-9:47 pm

2 stops33h 17m

$517

SeattleAlicante

SEA - ALC

SEAALC

Seattle/Tacoma Intl

Mon 1/5

2:35 pm-2:10 pm

1 stop14h 35m

Alicante

Tue 2/24

10:55 pm-5:00 pm

1 stop27h 05m

$543

SeattleAlicante

SEA - ALC

SEAALC

Seattle/Tacoma Intl

Tue 1/6

11:00 am-9:05 am

2 stops61h 05m

Alicante

Tue 2/17

7:45 pm-10:43 pm

2 stops35h 58m

$598

SeattleAlicante

SEA - ALC

SEAALC

Seattle/Tacoma Intl

Tue 1/6

11:00 am-9:05 am

2 stops61h 05m

Alicante

Wed 2/18

1:15 pm-9:01 pm

2 stops40h 46m

$598

SeattleAlicante

SEA - ALC

SEAALC

Seattle/Tacoma Intl

Tue 1/6

11:00 am-9:05 am

2 stops61h 05m

Alicante

Fri 2/20

9:55 am-11:30 pm

2 stops22h 35m

$598

SeattleAlicante

SEA - ALC

SEAALC

Seattle/Tacoma Intl

Tue 1/6

11:00 am-9:05 am

2 stops61h 05m

Alicante

Thu 2/26

10:05 am-11:30 pm

2 stops22h 25m

$598

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/16

Showing 1-10 of 12 results
1
2

Compare providers for flights from Seattle to Alicante

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Seattle to Alicante in November.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Seattle-Alicante flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Seattle-Alicante flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Seattle-Alicante flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Seattle-Alicante flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Seattle-Alicante flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Seattle to Alicante

Have a flexible travel schedule? Discover the best time to fly to Alicante 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 Alicante

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

Currently, September is the cheapest month in which you can book a flight from Seattle to Alicante (average of $498). Flying from Seattle to Alicante in June is currently the most expensive (average of $840). 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 ALC?

Find hourly flight availability from Seattle to Alicante. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 17, 2025.

When flying from Seattle to Alicante, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 39% versus a flight in the evening.

Reviews of airlines servicing Alicante

Get insights into the airlines that provide service to Alicante. 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 Alicante. Reviews last updated November 17, 2025.
Peruse reviews from past customers who have flown with KLM and Icelandair from Seattle to Alicante to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.7
Good
1,411 reviews

Comfort

7.7

Crew

8.4

Boarding

7.8

Entertainment

7.1

Food

7.3

Overall

7.7

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
KLM
7.7
Good
1,411 reviews
KLM
7.7
Good
1,411 reviews

Comfort

7.7

Crew

8.4

Boarding

7.8

Entertainment

7.1

Food

7.3

Overall

7.7

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
Icelandair
7.0
Good
580 reviews
KLM
7.7
Good
1,411 reviews

Comfort

7.7

Crew

8.4

Boarding

7.8

Entertainment

7.1

Food

7.3

Overall

7.7

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Alicante. 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 Seattle to Alicante?

    British Airways and Icelandair can get you from Seattle to Alicante in just under 14h 35m. Your travel time can differ by up to 16h 45m. There are 5510 mi between Seattle and Alicante. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Seattle to Alicante round-trip?

    Currently priced at $526, Icelandair will fly you from Seattle to Alicante and back. In addition to Icelandair, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on KLM for as low as $823. These flights start at 49% lower than the current average price 3 months from now.

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

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

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

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

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

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

    Currently, September is the cheapest month in which you can book a flight from Seattle to Alicante (average of $498). Flying from Seattle to Alicante in June is currently the most expensive (average of $840). 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

Traveling to a place near Alicante?

Book flights to Alicante if you plan to visit one of these locations
Torrevieja

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Top 2 airlines flying from Seattle to Alicante

Discover the top 2 airlines that operate flights from Seattle to Alicante. 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 November 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$526Average$622FlexibilityNo cancel feeOn-time76%
KLMCheapest$823Average$1,027FlexibilityNo cancel feeOn-time75%

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