$265 Find Cheap Flights from Costa Rica to Seattle - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Seattle departing on 10/1. 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, 0 bags

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Cheap Flights from Costa Rica to Seattle

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Costa Rica to Seattle 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 Costa Rica to Seattle

Thu, Sep 10 - Tue, Sep 15
Multiple Airlines Logo
5:45 am - 6:33 pm
SJO
-
SEA
13h 48m
2 stops
Multiple Airlines Logo
6:49 am - 11:15 pm
SEA
-
SJO
15h 26m
2 stops
$550Multiple Airlines
Tue, Aug 4 - Tue, Sep 22
Multiple Airlines Logo
5:45 am - 6:10 pm
SJO
-
SEA
13h 25m
1 stop
Multiple Airlines Logo
4:45 pm - 11:30 am
SEA
-
SJO
17h 45m
2 stops
$551Multiple Airlines
Sat, Sep 12 - Sat, Sep 19
Multiple Airlines Logo
5:45 am - 10:59 pm
SJO
-
SEA
18h 14m
1 stop
Multiple Airlines Logo
6:49 am - 11:15 pm
SEA
-
SJO
15h 26m
1 stop
$552Multiple Airlines
Fri, Dec 18 - Thu, Dec 31
Multiple Airlines Logo
7:45 am - 10:14 pm
SJO
-
SEA
16h 29m
1 stop
Multiple Airlines Logo
8:07 am - 11:15 pm
SEA
-
SJO
13h 08m
2 stops
$553Multiple Airlines
Wed, Jan 13 - Mon, Feb 15
United Airlines Logo
6:30 am - 10:38 pm
SJO
-
SEA
18h 08m
1 stop
United Airlines Logo
7:10 pm - 8:39 pm
SEA
-
SJO
23h 29m
2 stops
$556United Airlines
Wed, Dec 23 - Sat, Jan 16
American Airlines Logo
12:34 am - 5:09 pm
SJO
-
SEA
18h 35m
1 stop
American Airlines Logo
6:00 am - 11:43 pm
SEA
-
SJO
15h 43m
1 stop
$557American Airlines
Fri, Jan 15 - Sat, Jan 23
American Airlines Logo
2:54 pm - 11:51 pm
SJO
-
SEA
10h 57m
1 stop
American Airlines Logo
9:45 pm - 12:38 pm
SEA
-
SJO
12h 53m
1 stop
$560American Airlines
Thu, Sep 10 - Tue, Sep 15
United Airlines Logo
1:20 pm - 5:42 pm
LIR
-
SEA
53h 22m
2 stops
United Airlines Logo
5:20 pm - 12:10 pm
SEA
-
LIR
17h 50m
2 stops
$620United Airlines
Sat, Sep 5 - Fri, Sep 11
Alaska Airlines Logo
8:40 am - 9:39 pm
LIR
-
SEA
13h 59m
1 stop
Alaska Airlines Logo
9:25 pm - 7:52 pm
SEA
-
LIR
21h 27m
2 stops
$690Alaska Airlines
Sat, Sep 5 - Fri, Sep 11
Alaska Airlines Logo
8:40 am - 10:17 am
LIR
-
SEA
26h 37m
2 stops
Alaska Airlines Logo
8:30 pm - 7:52 pm
SEA
-
LIR
22h 22m
2 stops
$693Alaska Airlines
Booking Insights

KAYAK's insights & trends for flights to Seattle

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

What is the cheapest day to fly to Seattle?

The average price of all round-trip flights to Seattle clicked on KAYAK for each day over the last 12 months.

Based on KAYAK data, the cheapest day to fly to Seattle is Sunday where round-trip tickets can be as cheap as $871. On the other hand, the most expensive day to fly is Sunday, where round-trip prices are $871 on average.

What is the cheapest month to fly to Seattle?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights to Seattle, 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 to Seattle is October, where tickets cost $492 on average for return flights. On the other hand, the most expensive months are June and July, where the average cost of tickets from Costa Rica is $701 and $650 respectively. For one-way flights, the best month to travel is November with an average price of $260.

How far in advance should I book a flight to Seattle?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights to Seattle, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price, you should book around 1 week before departure. For the absolute cheapest price, our data suggests you should book 9 weeks before departure.

Find deals

Good to know

Low season

February

Cheapest flight

$265
Best time to beat the crowds with an average 7% drop in price.
Most popular time to fly and prices are also 6% lower on average.
Flight from San José to Seattle

FAQs - booking Seattle flights

  • How far is Seattle/Tacoma Intl Airport from central Seattle?

    Central Seattle is 11 miles away from Seattle/Tacoma Intl Airport.

  • What is the name of Seattle’s airport?

    There is only 1 airport in Seattle, called Seattle/Tacoma Intl Airport (SEA). It can also be referred to as Seattle-Tacoma Intl, Seattle/Tacoma, or Seattle/Tacoma Intl.

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

    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 to Seattle.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to 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 to Seattle?

    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 Seattle with an airline and back with another airline.

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

    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 Seattle up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • How many direct flights to Seattle are there each week?

    Each week there are around 12,997 direct flights from within Costa Rica to Seattle. The most common day for departures is Sunday, with 17% of flights taking off on this day.

Top tips for finding cheap flights to Seattle

  • Enter your preferred departure airport and travel dates into the search form above to unlock the latest Seattle flight deals.

Everything you need to know for your flight to Seattle

Information on the airport you'll fly into in Seattle

Seattle (SEA)