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Alicante

$283+ 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 3/24. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — ALC
Feb 18 — Feb 251
Wed 2/18
Wed 2/25
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 January 19, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$478
(KLM)

One-way from

$283
(Mytrip)

Popular in

June

Cheapest in

January

Average price

$542
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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One-way flight from Seattle/Tacoma Intl to Alicante
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Highest demand for flights based on searches. 24% potential increase in price ($273 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($46 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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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 January 19, 2026.

This KLM deal was found by Cheapflights users on 1/18. 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 3/43:05 pm
SEA
-
ALC
1 stop17h 50m
KLM
Wed 3/115:55 pm
ALC
-
SEA
1 stop26h 40m
KLM
Deal found 1/18$478
This SWISS deal was found by Cheapflights users on 1/18. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/410:55 am
SEA
-
ALC
2 stops37h 10m
SWISS
Wed 3/111:15 pm
ALC
-
SEA
2 stops41h 30m
SWISS
Deal found 1/18$492
This Gotogate deal was found by Cheapflights users on 1/18. 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.
Tue 5/59:55 am
SEA
-
ALC
2 stops41h 05m
Multiple Airlines
Thu 5/215:40 pm
ALC
-
SEA
2 stops29h 40m
Multiple Airlines
Deal found 1/18$524
This FlightHub deal was found by Cheapflights users on 1/18. 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 4/222:10 pm
SEA
-
ALC
1 stop17h 20m
Lufthansa
Mon 5/115:40 pm
ALC
-
SEA
2 stops33h 50m
Lufthansa
Deal found 1/18$532
This Icelandair deal was found by Cheapflights users on 1/18. 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.
Tue 3/173:35 pm
SEA
-
ALC
1 stop14h 35m
Icelandair
Sun 3/223:10 pm
ALC
-
SEA
1 stop34h 50m
Icelandair
Deal found 1/18$556
This Ovago deal was found by Cheapflights users on 1/18. 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.
Fri 3/203:00 pm
SEA
-
ALC
2 stops18h 05m
Multiple Airlines
Tue 4/78:00 pm
ALC
-
SEA
2 stops36h 27m
Multiple Airlines
Deal found 1/18$565
This Trip.com deal was found by Cheapflights users on 1/18. 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.
Fri 3/204:10 pm
SEA
-
ALC
1 stop17h 00m
Lufthansa
Tue 4/75:20 pm
ALC
-
SEA
1 stop28h 00m
Lufthansa
Deal found 1/18$603
This KAYAK deal was found by Cheapflights users on 1/18. 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.
Thu 3/123:00 pm
SEA
-
ALC
1 stop18h 05m
Lufthansa
Sun 3/225:50 pm
ALC
-
SEA
2 stops57h 13m
Lufthansa
Deal found 1/18$616

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 January 19, 2026.
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

Wed 3/4

3:05 pm-5:55 pm

1 stop17h 50m

Alicante

Wed 3/11

5:55 pm-12:35 pm

1 stop26h 40m

$478

SeattleAlicante

SEA - ALC

SEAALC

Seattle/Tacoma Intl

Wed 3/4

10:55 am-9:05 am

2 stops37h 10m

Alicante

Wed 3/11

1:15 pm-10:45 pm

2 stops41h 30m

$492

SeattleAlicante

SEA - ALC

SEAALC

Seattle/Tacoma Intl

Tue 5/5

9:55 am-12:00 pm

2 stops41h 05m

Alicante

Thu 5/21

5:40 pm-2:20 pm

2 stops29h 40m

$524

SeattleAlicante

SEA - ALC

SEAALC

Seattle/Tacoma Intl

Wed 4/22

2:10 pm-4:30 pm

1 stop17h 20m

Alicante

Mon 5/11

5:40 pm-2:20 pm

2 stops29h 40m

$532

SeattleAlicante

SEA - ALC

SEAALC

Seattle/Tacoma Intl

Tue 3/17

3:35 pm-2:10 pm

1 stop14h 35m

Alicante

Sun 3/22

3:10 pm-6:00 pm

1 stop34h 50m

$556

SeattleAlicante

SEA - ALC

SEAALC

Seattle/Tacoma Intl

Fri 3/20

4:10 pm-5:10 pm

1 stop17h 00m

Alicante

Tue 4/7

5:20 pm-12:20 pm

1 stop28h 00m

$603

SeattleAlicante

SEA - ALC

SEAALC

Seattle/Tacoma Intl

Tue 3/24

3:35 pm-11:00 pm

2 stops23h 25m

$283

SeattleAlicante

SEA - ALC

SEAALC

Seattle/Tacoma Intl

Tue 3/24

7:50 pm-10:20 am

1 stop30h 30m

$385

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/17

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 January.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
OvagoPrice Accuracy2 starsTrust Score*2 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-Alicante flight deals on Cheapflights vs. FlightHub >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 AranGrant the most. AranGrant 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, March is the cheapest month in which you can book a flight from Seattle to Alicante (average of $468). Flying from Seattle to Alicante in June is currently the most expensive (average of $850). 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 January 19, 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
7.7
Good
1,441 reviews

Entertainment

7.1

Overall

7.7

Comfort

7.6

Food

7.3

Crew

8.4

Boarding

7.8

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
KLM
7.7
Good
1,441 reviews
KLM
7.7
Good
1,441 reviews

Entertainment

7.1

Overall

7.7

Comfort

7.6

Food

7.3

Crew

8.4

Boarding

7.8

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
Icelandair
7.1
Good
597 reviews
KLM
7.7
Good
1,441 reviews

Entertainment

7.1

Overall

7.7

Comfort

7.6

Food

7.3

Crew

8.4

Boarding

7.8

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.

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, SWISS, and Lufthansa can get you from Seattle to Alicante in just under 17h 20m. Your travel time can differ by up to 19h 50m. 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 $677. These flights start at 39% 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, March is the cheapest month in which you can book a flight from Seattle to Alicante (average of $468). Flying from Seattle to Alicante in June is currently the most expensive (average of $850). 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 January 19, 2026.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$511Average$611FlexibilityNo cancel feeOn-time76%
KLMCheapest$677Average$1,021FlexibilityNo cancel feeOn-time75%

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