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  4. Seattle, WA - Guanacaste

Cheap Flights from Seattle, WA (SEA) to Guanacaste (LIR)

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Discover the cheapest flights from Seattle, WA to Guanacaste
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Sun, May 18 - Wed, May 21
Alaska Airlines
Alaska Airlines1 stop
SEA - LIR
Alaska Airlines
Alaska Airlines1 stop
LIR - SEA
508$
499$
Prime price per passenger
Wed, May 28 - Wed, Jun 4
Alaska Airlines
Alaska Airlines1 stop
SEA - LIR
Alaska Airlines
Alaska Airlines2 stops
LIR - SEA
521$
503$
Prime price per passenger
Thu, Jun 12 - Tue, Jun 17
Westjet
Westjet1 stop
SEA - LIR
Alaska Airlines
Alaska Airlines1 stop
LIR - SEA
570$
551$
Prime price per passenger
Tue, Jul 1 - Fri, Jul 11
Alaska Airlines
Alaska Airlines1 stop
SEA - LIR
Alaska Airlines
Alaska Airlines2 stops
LIR - SEA
636$
624$
Prime price per passenger
Thu, Jun 26 - Mon, Jun 30
Alaska Airlines
Alaska Airlines1 stop
SEA - LIR
Alaska Airlines
Alaska Airlines1 stop
LIR - SEA
689$
658$
Prime price per passenger
Wed, Jul 16 - Thu, Jul 24
Alaska Airlines
Alaska Airlines1 stop
SEA - LIR
Alaska Airlines
Alaska Airlines1 stop
LIR - SEA
682$
671$
Prime price per passenger
Thu, May 22
Air Canada
Air Canada2 stops
SEA - LIR
218$
206$
Prime price per passenger
Mon, Jun 2
Alaska Airlines
Alaska Airlines1 stop
SEA - LIR
232$
222$
Prime price per passenger
Wed, Jun 25
Alaska Airlines
Alaska Airlines2 stops
SEA - LIR
250$
241$
Prime price per passenger
Sat, Jul 19
Alaska Airlines
Alaska Airlines2 stops
SEA - LIR
250$
241$
Prime price per passenger
Thu, Jul 10
Alaska Airlines
Alaska Airlines2 stops
SEA - LIR
250$
242$
Prime price per passenger
Fri, Jun 6
Westjet
Westjet2 stops
SEA - LIR
257$
247$
Prime price per passenger
Prices shown below were available within the past 3 days for the period specified and should not be considered the final price offered. Please note that availability and prices are subject to change.

Cheapest time to fly from Seattle, WA to Guanacaste

Flexible with dates? We find the best price for the week of the day you select *Prices may vary after you search.
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week: May 5 - May 11
Flights from just $460
$460
$460
$487
$478
$473
$533
$514
$520
$500
$534
$500
$536
MayJuneJuly
Cheapest flight$206The best price for flights from Seattle, WA to Guanacaste offered by eDreams, which have been found by our customers in the last 3 days
Departure AirportSeattle All Airports Seattle All Airports is where you'll take off when flying from Seattle, WA to Guanacaste
Arrival AirportLiberiaYou'll land at Liberia when flying from Seattle, WA to Guanacaste
Peak seasonMarchMarch is the busiest time to fly from Seattle, WA to Guanacaste according to search data results from our customers
Airlines operating this routeAlaska AirlinesAirline(s) that fly from Seattle, WA to Guanacaste
Best time to bookJanuaryJanuary is one of the most frequent times to fly to Guanacaste from Seattle, WA according to real data from our customers

Route information

Exchange rate
1 USD = 502.22 CRC
1 CRC = 0.01 USD
Last checked on Sun, 04/27
Distance: 3331 miles
Seattle, WA airports
Seattle All Airports (SEA)How far from city center: 11 miles
Guanacaste airports
Liberia (LIR)How far from city center: 1 miles

Are you searching for flights from Seattle, WA to Guanacaste?

Are you planning to travel to Guanacaste for vacations, business or family visits? eDreams offers you the cheapest flights and best deals departing from Seattle, WA. With our fast search engine you will get a large selection of airfares from standard and low cost airlines worldwide and easily book your tickets for this route. If you are flexible we help you identify the cheapest day to fly to Guanacaste and if you need to leave soon you can check our most convenient last minute fares. Read all the useful information about your next destination and proceed to the reservation, indicating your flight dates and completing your travel booking with hotels and car rental!

Frequently asked questions about flights from Seattle, WA to Guanacaste

What are the benefits of booking flexible flight tickets?
Using the flexible flight ticket, you're guaranteed a refund or a rebooking option (without fees) in case of flight cancellations when travelling to Costa Rica. At eDreams have you covered!
For flights from Seattle, WA to Guanacaste, how can I find the cheapest price?
The cheapest price for a flight from Seattle, WA to Guanacaste is $206. At eDreams we use different machine learned based methodologies to find our costumers the best option available, considering airline combinations, stopovers and direct flights as well as different criteria for inbound and outbound journeys.
When booking, when is the best time to get the best prices for flights from Seattle, WA to Guanacaste?
The most popular months to book a trip from Seattle, WA to Guanacaste are January, February and March, based on the searches of our customers.
When is the best time to travel from Seattle, WA to Guanacaste?
The best time of the year to visit Guanacaste depends on lots of personal preferences, especially the price. Regarding popularity, March is the best month to fly to Guanacaste from Seattle, WA in terms of searches from our customers, followed by April and August. If you prefer to avoid the busy season and get away from the crowds June, July and October are the months with fewer searches for Seattle, WA - Guanacaste.
How is the weather in Guanacaste compared to Seattle, WA?
While in Seattle, WA the temperatures can reach an average of 31.31 ºC in summer, with precipitation levels up to 9 mm ,Guanacaste's temperatures can go up to 35.73 ºC during the hot season, with 3 mm average of rain rate . In winter, however, weather indicators show around 18.43 ºC in Guanacaste, compared to the -3.71 ºC average degrees reported in Seattle, WA. During the winter period, Seattle, WA can register 12 mm precipitation, while Guanacaste have an average of 2.3 mm rain level.
Which airlines fly from Seattle, WA to Guanacaste?

The airlines that fly non-stop from Seattle, WA to Guanacaste are:

  • Aeromexico.

Aeromexico, stopping at Mexico City during at least 130 minutes.

Plan your trip

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