SEA - ALC

$578 Find Cheap Flights from Seattle to Alicante

This is the cheapest round-trip flight price found by a KAYAK user in the last 72 hours by searching for a flight from Seattle to Alicante departing on 8/15. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy

KAYAK searches hundreds of travel sites at once for deals on flights to Alicante

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Seattle to Alicante, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Seattle to Alicante, as well as popular online travel agencies
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Flights Deals

Cheap Flights from Seattle to Alicante (SEA-ALC)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Seattle to Alicante that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Seattle to Alicante

Fri, Aug 15 - Fri, Aug 22
 Logo
7:35 pm - 11:25 pmSEA-ALC
18h 50m1 stop
 Logo
10:25 am - 5:50 pmALC-SEA
16h 25m1 stop
Mon, Oct 6 - Tue, Oct 21
 Logo
2:20 pm - 4:55 pmSEA-ALC
17h 35m1 stop
 Logo
8:10 pm - 6:36 pmALC-SEA
31h 26m2 stops
Mon, Oct 6 - Tue, Oct 21
Lufthansa Logo
2:20 pm - 4:55 pmSEA-ALC
17h 35m1 stop
Lufthansa Logo
5:45 pm - 11:55 amALC-SEA
27h 10m1 stop
$615Lufthansa
Find Deal
Mon, Oct 6 - Tue, Oct 21
Lufthansa Logo
8:00 am - 5:20 pmSEA-ALC
24h 20m2 stops
Lufthansa Logo
6:10 pm - 11:55 amALC-SEA
26h 45m2 stops
$642Lufthansa
Find Deal
Sun, Aug 17 - Sun, Aug 24
Scandinavian Airlines Logo
4:00 pm - 6:40 pmSEA-ALC
17h 40m2 stops
Scandinavian Airlines Logo
7:00 pm - 1:50 pmALC-SEA
27h 50m1 stop
$653Scandinavian Airlines
Find Deal
Sun, Aug 17 - Sun, Aug 24
Scandinavian Airlines Logo
4:00 pm - 6:40 pmSEA-ALC
17h 40m2 stops
Scandinavian Airlines Logo
8:45 pm - 1:50 pmALC-SEA
26h 05m2 stops
$680Scandinavian Airlines
Find Deal
Mon, Sep 1 - Fri, Sep 12
SWISS Logo
10:00 am - 7:25 pmSEA-ALC
24h 25m2 stops
SWISS Logo
12:15 pm - 2:50 pmALC-SEA
35h 35m1 stop
$727SWISS
Find Deal
Mon, Sep 1 - Fri, Sep 12
KLM Logo
5:40 pm - 8:20 amSEA-ALC
29h 40m1 stop
KLM Logo
10:35 pm - 11:45 amALC-SEA
22h 10m1 stop
$781KLM
Find Deal
Mon, Sep 1 - Fri, Sep 12
SWISS Logo
10:00 am - 7:25 pmSEA-ALC
24h 25m2 stops
SWISS Logo
12:15 pm - 6:36 pmALC-SEA
39h 21m2 stops
$815SWISS
Find Deal
Fri, Sep 5 - Sun, Sep 14
KLM Logo
1:55 pm - 7:15 pmSEA-ALC
20h 20m1 stop
KLM Logo
10:25 am - 4:05 pmALC-SEA
14h 40m1 stop
$841KLM
Find Deal
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KAYAK's insights & trends for Seattle to Alicante flights

Get data-powered insights and trends into flights from Seattle to Alicante to help you find the cheapest flights, the best time to fly and much more.

How much is a round-trip flight from Seattle to Alicante?

What is the cheapest month to fly from Seattle to Alicante?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Seattle to Alicante, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Seattle to Alicante is February, where tickets cost $660 (return) on average. On the other hand, the most expensive months are December and January, where the average cost of round-trip tickets is $2,649 and $1,774 respectively.

Good to know

Low seasonJanuary
High seasonSeptember
Cheapest flight$578
Best time to beat the crowds but there is an average 41% increase in price.
Most popular time to fly with an average 4% increase in price.
Flight from Seattle to Alicante

When to book flights from Seattle to Alicante

Are your dates flexible? Find out the best times to travel from Seattle to Alicante based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Seattle to Alicante

  • What is the cheapest flight from Seattle to Alicante?

    In the last 3 days, the lowest price for a flight from Seattle to Alicante was $578 for a round-trip ticket.

  • Do I need a passport to fly between Seattle and Alicante?

    A passport is required to fly from Seattle to Alicante.

  • Which aircraft models fly most regularly from Seattle to Alicante?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Seattle to Alicante?

    Star Alliance, SkyTeam, and oneworld are the airline alliances operating flights between Seattle and Alicante, with SkyTeam being the most commonly used for this route.

  • How does KAYAK find such low prices on flights from Seattle to Alicante?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Seattle to Alicante.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Seattle to Alicante?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Alicante from Seattle is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Seattle to Alicante?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Alicante with an airline and back to Seattle with another airline. Booking your flights between Seattle and ALC can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Seattle to Alicante?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Alicante from Seattle up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Reviews of the top airlines flying from Seattle to Alicante

 
See real verified KAYAK customer reviews for airlines flying from Seattle to Alicante. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Seattle to Alicante? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.8
KLMOverall score based on 1367 reviews
7.7Comfort
7.2Food
8.4Crew
7.1Entertainment
7.8Boarding
Airline reviews

Our first flight was delayed so we missed our connecting flight. However it was easy to book a later flight on their app.

6.0 GoodKathleen P, Jun 2025EDI - AMS
Read more KLM reviews

Our first flight was delayed so we missed our connecting flight. However it was easy to book a later flight on their app.

My flight was delayed by 6 hours then I missed BOTH of my connecting flights, I then had to stay in the AIRPORT at JFK because soooooo many people also suffered from missing flights and there was no hotels available. I would like to be compensated for this experience! I had to stay in the airport for over 16 hours!

Klm start boarding while somw air issue in the plan

The service was great. However the lounge only gets passing grade

I appreciate that KLM was proactive in informing me of the 2 hour delay which enabled me to replan my travel. It was a bit stressful not knowing whether my connection from Montreal to Ottawa was happening. But the ground and air crew did a good job at comforting and assuring me.

Cabin crew professional, polite and friendly, boarding was seemless, but come on KLM surely you can do better than a pack of cheesy biscuits as an inflight snack

Cabin crew were excellent, very proffesional, polite and friendly, in flight snack was underwhelming, a packet of cheese biscuits, im sure KLM could run to a sandwich!

Legroom not all it could be, especially when the seat in front is reclined. Otherwise it was good, food and beverage were nice.

Overall very positive. Boarding was quick and organized. Cabin was clean and seats were reasonably comfortable. Cabin crew was excellent and the meals provided were also of good quality

This fight left ahead of time which meant it arrived early which was great. Staff were very professional, but as with all these Short hop Flights the food was a disappointing snack There was no entertainment on this flight, but I did not expect any

The airline was efficient and accommodating to work with though there was a delay. Appreciate the service and smooth experience!

Flight was good but seat in 12D was not comfortable, better on the Airbus 321 from Tampa to Charlotte. No breakfast was served before landing in zLonfon only a coffee and orange juice.

I was transferred to an American Airlines flight. The boarding was late and unorganized. The seating was extremely tight and uncomfortable. Will not use AA again.

The entertainment selection was ok, but overall not bad! The crew was great.

Good crew and boarding process. Horrible food and one of the most uncomfortable aircraft seats I have ever sat in. The cabin temperature was warm which made it hard for my family to sleep.

bad, made it to connecting flight and they didnt let me board

We were never able to take this flight because our first flight from Austin to Dallas was cancelled.

Our flight was cancelled on Sunday morning. We were supposed to take a short flight to Dallas from Austin, then a nonstop to Barcelona. We were rerouted from Austin to Miami on American Airlines due to storms we sat at the gate for 2 1/2 hours, pilot announced we needed fuel. In air pilot said we were rerouted to Fort Myers 30 minutes from Zmiami. Sat on tarmac waiting for a gate. Deplaned at 10:09. Pilot gave conflicting info about what to do. Missed Miami flight to Barcelona. Pilot announced crew was timed out and we would have to wait for a new crew. Waited a couple of hours. Got to Miami at 2:30 am. Gate agents at Fort Myers told us to go to D30 for hotel vouchers. No one was there. So we slept a little on the floor. Husband is 80 and I am 74. Rerouted to JFK at 9:54 am on Monday, then flight to Barcelona at 5 pm. We arrived in Barcelona a day late and missed the first night of our Oceania Marina cruise. We feel that we are due a lot of compensation for this trip from hell.

The check-in of my luggage was terrible. When purchased my tickets, one luggage and one carry-on was part of the fight. My flight was switched from British to American Airline. During check-in of luggage at the airport, I was denied and had to pay extra $75. How do I get reimbursed for this extra luggage payment?

More Indian vegetarian food options would have been better Availability of seat selection free of charge 72 hours before departure would be great

Everything you need to know for your flight from Seattle to Alicante

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