Find a great deal and save up to 62% by booking at least 37 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Seattle to Costa Rica within the next two weeks, with the cheapest ticket starting at $658.
Due to multiple factors, expect to potentially pay more when booking in December. For low rates, September can be a great choice for travel to Costa Rica. Flights to Costa Rica from Seattle in September are about $706 on average during September, but can be found for as low as $412.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Seattle to Costa Rica as you normally would.
Fly from
Fly to
Budget
$389 - $742
Route
Depart
Return
Price
Seattle/Tacoma IntlLiberia
SEA - LIR
SEALIR
Seattle/Tacoma Intl
Mon 10/14
1 stop12h 13m
Liberia
Fri 10/25
1 stop20h 22m
Seattle/Tacoma IntlSan José Juan Santamaria Intl
SEA - SJO
SEASJO
Seattle/Tacoma Intl
Wed 5/29
2 stops34h 06m
San José Juan Santamaria Intl
Sat 6/1
2 stops24h 09m
Seattle/Tacoma IntlSan José Juan Santamaria Intl
SEA - SJO
SEASJO
Seattle/Tacoma Intl
Wed 9/18
2 stops25h 25m
San José Juan Santamaria Intl
Wed 9/25
2 stops18h 12m
Seattle/Tacoma IntlSan José Juan Santamaria Intl
SEA - SJO
SEASJO
Seattle/Tacoma Intl
Thu 7/25
1 stop17h 33m
San José Juan Santamaria Intl
Thu 8/8
1 stop20h 41m
Seattle/Tacoma IntlSan José Juan Santamaria Intl
SEA - SJO
SEASJO
Seattle/Tacoma Intl
Fri 5/31
2 stops22h 11m
San José Juan Santamaria Intl
Sat 6/8
1 stop33h 24m
Seattle/Tacoma IntlSan José Juan Santamaria Intl
SEA - SJO
SEASJO
Seattle/Tacoma Intl
Fri 11/1
1 stop11h 19m
San José Juan Santamaria Intl
Fri 11/22
1 stop12h 30m
Seattle/Tacoma IntlSan José Juan Santamaria Intl
SEA - SJO
SEASJO
Seattle/Tacoma Intl
Sun 8/25
1 stop19h 54m
San José Juan Santamaria Intl
Sat 9/7
2 stops23h 00m
Seattle/Tacoma IntlLiberia
SEA - LIR
SEALIR
Seattle/Tacoma Intl
Fri 11/1
1 stop32h 02m
Liberia
Fri 11/15
1 stop13h 20m
Seattle/Tacoma IntlLiberia
SEA - LIR
SEALIR
Seattle/Tacoma Intl
Sat 6/1
2 stops28h 32m
Liberia
Sun 6/9
2 stops26h 24m
No data available for this route at this time. Please check back soon.
Comfort
Overall
Boarding
Crew
Entertainment
Food
Reviews
I paid for an aisle seat and found I was bumped to the middle seat. No entertainment at all, bathroom was so tiny, a woman had a hard time in there. Seems it was considered for men only. This was my first time on Alaska airlines. I don’t think I want to fly on Alaska Airlines again.
Comfort
Overall
Boarding
Crew
Entertainment
Food
Reviews
I paid for an aisle seat and found I was bumped to the middle seat. No entertainment at all, bathroom was so tiny, a woman had a hard time in there. Seems it was considered for men only. This was my first time on Alaska airlines. I don’t think I want to fly on Alaska Airlines again.
Comfort
Overall
Boarding
Crew
Entertainment
Food
Reviews
I paid for an aisle seat and found I was bumped to the middle seat. No entertainment at all, bathroom was so tiny, a woman had a hard time in there. Seems it was considered for men only. This was my first time on Alaska airlines. I don’t think I want to fly on Alaska Airlines again.
Comfort
Overall
Boarding
Crew
Entertainment
Food
Reviews
I paid for an aisle seat and found I was bumped to the middle seat. No entertainment at all, bathroom was so tiny, a woman had a hard time in there. Seems it was considered for men only. This was my first time on Alaska airlines. I don’t think I want to fly on Alaska Airlines again.
Comfort
Overall
Boarding
Crew
Entertainment
Food
Reviews
I paid for an aisle seat and found I was bumped to the middle seat. No entertainment at all, bathroom was so tiny, a woman had a hard time in there. Seems it was considered for men only. This was my first time on Alaska airlines. I don’t think I want to fly on Alaska Airlines again.
Comfort
Overall
Boarding
Crew
Entertainment
Food
Reviews
I paid for an aisle seat and found I was bumped to the middle seat. No entertainment at all, bathroom was so tiny, a woman had a hard time in there. Seems it was considered for men only. This was my first time on Alaska airlines. I don’t think I want to fly on Alaska Airlines again.
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