Find a great deal and save up to 83% by booking at least 16 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 $711.
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 $753 on average during September, but can be found for as low as $468.
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
$252 - $485
Route
Depart
Return
Price
Seattle/Tacoma IntlSan José Juan Santamaria Intl
SEA - SJO
SEASJO
Seattle/Tacoma Intl
Tue 4/16
2 stops21h 58m
San José Juan Santamaria Intl
Wed 4/24
2 stops24h 09m
Seattle/Tacoma IntlSan José Juan Santamaria Intl
SEA - SJO
SEASJO
Seattle/Tacoma Intl
Tue 4/16
2 stops21h 58m
San José Juan Santamaria Intl
Wed 4/24
2 stops24h 09m
Seattle/Tacoma IntlSan José Juan Santamaria Intl
SEA - SJO
SEASJO
Seattle/Tacoma Intl
Fri 5/3
2 stops10h 39m
San José Juan Santamaria Intl
Wed 5/8
2 stops24h 09m
Seattle/Tacoma IntlSan José Juan Santamaria Intl
SEA - SJO
SEASJO
Seattle/Tacoma Intl
Tue 4/16
2 stops44h 27m
San José Juan Santamaria Intl
Sun 4/21
2 stops22h 59m
Seattle/Tacoma IntlSan José Juan Santamaria Intl
SEA - SJO
SEASJO
Seattle/Tacoma Intl
Tue 4/16
2 stops21h 58m
San José Juan Santamaria Intl
Mon 4/22
2 stops20h 54m
Seattle/Tacoma IntlSan José Juan Santamaria Intl
SEA - SJO
SEASJO
Seattle/Tacoma Intl
Tue 4/16
1 stop12h 56m
San José Juan Santamaria Intl
Wed 4/24
1 stop11h 07m
Seattle/Tacoma IntlSan José Juan Santamaria Intl
SEA - SJO
SEASJO
Seattle/Tacoma Intl
Thu 8/22
1 stop19h 16m
San José Juan Santamaria Intl
Wed 9/4
1 stop17h 15m
Seattle/Tacoma IntlSan José Juan Santamaria Intl
SEA - SJO
SEASJO
Seattle/Tacoma Intl
Sun 4/14
1 stop11h 47m
San José Juan Santamaria Intl
Wed 4/17
1 stop16h 41m
Seattle/Tacoma IntlLiberia
SEA - LIR
SEALIR
Seattle/Tacoma Intl
Tue 4/16
1 stop13h 26m
Liberia
Tue 4/23
1 stop22h 30m
Entertainment
Boarding
Comfort
Overall
Crew
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.
Entertainment
Boarding
Comfort
Overall
Crew
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.
Entertainment
Boarding
Comfort
Overall
Crew
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.
Entertainment
Boarding
Comfort
Overall
Crew
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.
Entertainment
Boarding
Comfort
Overall
Crew
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.
Entertainment
Boarding
Comfort
Overall
Crew
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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