HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Alicante

$278+ Cheap flights from Seattle (SEA) to Alicante (ALC)

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 8/23. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — ALC
Sep 3 — Sep 101
Thu 9/3
Thu 9/10
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Seattle to Alicante with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap 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 August 4, 2026.

This Mytrip deal was found by Cheapflights users on 7/31. 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.
Mon 8/177:00 pm
SEA
-
ALC
2 stops19h 45m
Multiple Airlines
Tue 8/253:30 pm
ALC
-
SEA
3 stops35h 25m
Multiple Airlines
Deal found 7/31$701
This Gotogate deal was found by Cheapflights users on 7/31. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1711:25 pm
SEA
-
ALC
1 stop14h 30m
Icelandair
Tue 8/2511:50 pm
ALC
-
SEA
1 stop20h 55m
Icelandair
Deal found 7/31$724
This KLM deal was found by Cheapflights users on 8/3. 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.
Wed 12/92:35 pm
SEA
-
ALC
1 stop18h 40m
KLM
Wed 1/208:15 pm
ALC
-
SEA
1 stop24h 35m
KLM
Deal found 8/3$731
This Icelandair deal was found by Cheapflights users on 8/3. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/177:00 pm
SEA
-
ALC
1 stop18h 55m
Icelandair
Wed 9/25:35 pm
ALC
-
SEA
1 stop33h 20m
Icelandair
Deal found 8/3$778
This Expedia deal was found by Cheapflights users on 7/31. 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 10/66:50 pm
SEA
-
ALC
1 stop13h 35m
Lufthansa
Wed 10/145:40 pm
ALC
-
SEA
1 stop27h 40m
Lufthansa
Deal found 7/31$784

Find 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 August 4, 2026.

Most accurate provider

Ovago
3 stars

Most trusted provider

Ovago
3 stars

Round-trip from

$701
(Mytrip)

One-way from

$278
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$840
Provider with most accurate pricing for Seattle/Tacoma Intl-Alicante flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Alicante flights.
Search Deals
From Seattle/Tacoma Intl to Alicante
Search Deals
One-way flight from Seattle/Tacoma Intl to Alicante
Search Deals
Highest demand for flights based on searches. 21% potential increase in price ($204 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($35 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2026
Search Deals

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 August 4, 2026.
Use the filters below to find and compare flights from Seattle to Alicante that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleAlicante

SEA - ALC

SEAALC

Seattle/Tacoma Intl

Mon 8/17

7:00 pm-11:45 pm

2 stops19h 45m

Alicante

Tue 8/25

8:00 pm-8:40 pm

3 stops33h 40m

$732

SeattleAlicante

SEA - ALC

SEAALC

Seattle/Tacoma Intl

Wed 12/9

8:25 am-6:15 pm

2 stops24h 50m

Alicante

Wed 1/20

8:15 pm-11:50 am

1 stop24h 35m

$736

SeattleAlicante

SEA - ALC

SEAALC

Seattle/Tacoma Intl

Mon 8/17

11:25 pm-4:35 pm

1 stop32h 10m

Alicante

Tue 8/25

11:50 pm-11:45 am

1 stop20h 55m

$742

SeattleAlicante

SEA - ALC

SEAALC

Seattle/Tacoma Intl

Mon 8/17

7:00 pm-10:55 pm

1 stop18h 55m

Alicante

Wed 9/2

5:35 pm-5:55 pm

1 stop33h 20m

$778

SeattleAlicante

SEA - ALC

SEAALC

Seattle/Tacoma Intl

Tue 9/29

5:45 pm-9:25 pm

1 stop18h 40m

Alicante

Tue 10/13

9:35 pm-11:52 am

1 stop23h 17m

$791
Quickest round-trip

SeattleAlicante

SEA - ALC

SEAALC

Seattle/Tacoma Intl

Wed 9/30

5:45 pm-7:25 pm

1 stop16h 40m

Alicante

Mon 10/12

8:20 pm-11:52 am

1 stop24h 32m

$791

SeattleAlicante

SEA - ALC

SEAALC

Seattle/Tacoma Intl

Wed 9/30

2:10 pm-4:30 pm

1 stop17h 20m

Alicante

Mon 10/12

5:40 pm-12:20 pm

1 stop27h 40m

$820

SeattleAlicante

SEA - ALC

SEAALC

Seattle/Tacoma Intl

Tue 9/15

6:50 pm-5:25 pm

1 stop13h 35m

Alicante

Tue 9/22

8:00 pm-6:32 pm

2 stops31h 32m

$821

SeattleAlicante

SEA - ALC

SEAALC

Seattle/Tacoma Intl

Sun 9/27

3:55 pm-6:25 pm

2 stops17h 30m

Alicante

Fri 10/9

11:00 am-1:45 pm

2 stops35h 45m

$937
Cheapest one-way

SeattleAlicante

SEA - ALC

SEAALC

Seattle/Tacoma Intl

Wed 8/26

11:25 pm-10:10 am

3 stops25h 45m

$315

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/3

Showing 1-10 of 18 resultsSorted by cheapest first
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 August.
ProviderPrice AccuracyTrust Score*
OvagoPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 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 Ovago to be most consistent on Cheapflights vs. Ovago Users can find the same prices on Seattle-Alicante flight deals on Cheapflights vs. Ovago >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 Ovago the most. Ovago 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, November is the cheapest month in which you can book a flight from Seattle to Alicante (average of $529). Flying from Seattle to Alicante in June is currently the most expensive (average of $1,135). 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.

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 August 4, 2026.
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
7.8
Good
1,552 reviews

Entertainment

7.2

Crew

8.4

Food

7.3

Overall

7.8

Comfort

7.7

Boarding

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
KLM
7.8
Good
1,552 reviews
KLM
7.8
Good
1,552 reviews

Entertainment

7.2

Crew

8.4

Food

7.3

Overall

7.8

Comfort

7.7

Boarding

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
Icelandair
6.9
Okay
720 reviews
KLM
7.8
Good
1,552 reviews

Entertainment

7.2

Crew

8.4

Food

7.3

Overall

7.8

Comfort

7.7

Boarding

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful

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?

    KLM and Icelandair can get you from Seattle to Alicante in just under 24h 50m. Your travel time can differ by up to 7h 20m. 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 $511, 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 $578. These flights start at 32% 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, November is the cheapest month in which you can book a flight from Seattle to Alicante (average of $529). Flying from Seattle to Alicante in June is currently the most expensive (average of $1,135). 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
La Manga
Torrevieja

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 August 4, 2026.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$511Average$542FlexibilityNo cancel feeOn-time76%
KLMCheapest$578Average$840FlexibilityNo cancel feeOn-time75%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.