
Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $276 (United Airlines) |
One-way from | $118 (American Airlines) |
Popular in | December |
Cheapest in | September |
Average price | $790 |
Fly from
Fly to
Route
Depart
Return
Price
PortlandSan José
PDX - SJO
PDXSJO
Portland
Mon 1/19
7:51 pm-8:32 am
1 stop10h 41m
San José Juan Santamaria Intl
Fri 1/30
8:45 am-11:06 pm
2 stops16h 21m
PortlandLiberia
PDX - LIR
PDXLIR
Portland
Tue 1/20
7:24 am-6:01 pm
1 stop8h 37m
Liberia
Thu 1/29
11:20 am-8:34 pm
1 stop11h 14m
PortlandLiberia
PDX - LIR
PDXLIR
Portland
Tue 2/24
10:40 pm-12:17 pm
1 stop11h 37m
Liberia
Wed 3/4
1:20 pm-11:59 pm
1 stop12h 39m
PortlandLiberia
PDX - LIR
PDXLIR
Portland
Sun 1/18
5:00 am-4:08 pm
1 stop9h 08m
Liberia
Tue 1/27
2:20 pm-10:53 pm
1 stop10h 33m
PortlandLiberia
PDX - LIR
PDXLIR
Portland
Sun 2/22
9:30 pm-5:58 pm
1 stop18h 28m
Liberia
Thu 3/5
7:08 pm-9:35 am
1 stop16h 27m
PortlandLiberia
PDX - LIR
PDXLIR
Portland
Sun 2/1
10:15 pm-12:37 pm
1 stop12h 22m
Liberia
Wed 2/11
1:21 pm-11:46 pm
1 stop12h 25m
PortlandLiberia
PDX - LIR
PDXLIR
Portland
Mon 2/23
2:30 pm-6:45 am
1 stop14h 15m
Liberia
Fri 3/6
7:08 pm-9:35 am
1 stop16h 27m
PortlandLiberia
PDX - LIR
PDXLIR
Portland
Sat 1/17
11:01 pm-2:13 pm
1 stop13h 12m
Liberia
Tue 1/27
1:21 pm-11:46 pm
1 stop12h 25m
PortlandLiberia
PDX - LIR
PDXLIR
Portland
Mon 2/23
12:40 am-1:30 pm
1 stop10h 50m
Liberia
Thu 3/5
2:05 pm-9:25 am
2 stops21h 20m
PortlandLiberia
PDX - LIR
PDXLIR
Portland
Sun 2/22
5:10 pm-1:50 pm
2 stops18h 40m
Liberia
Thu 3/5
2:05 pm-9:25 am
2 stops21h 20m
Currently, January is the cheapest month in which you can book a flight from Portland to Costa Rica (average of $275). Flying from Portland to Costa Rica in April is currently the most expensive (average of $403). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
It’s typically best to fly out from Portland to Costa Rica at noon. Doing so could potentially save you 46% on the flight price compared to flying in the morning, which is usually more expensive.
Travelers seeking maximum savings on their Portland to Costa Rica flight should consider departing on Monday at noon when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Boarding
Food
Entertainment
Crew
Comfort
Overall
Reviews
Art,Dec 2025
SAN - OGG
Boarding
Food
Entertainment
Crew
Comfort
Overall
Reviews
Art,Dec 2025
SAN - OGG
Boarding
Food
Entertainment
Crew
Comfort
Overall
Reviews
Art,Dec 2025
SAN - OGG
Boarding
Food
Entertainment
Crew
Comfort
Overall
Reviews
Art,Dec 2025
SAN - OGG
Boarding
Food
Entertainment
Crew
Comfort
Overall
Reviews
Art,Dec 2025
SAN - OGG
Boarding
Food
Entertainment
Crew
Comfort
Overall
Reviews
Art,Dec 2025
SAN - OGG
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$204 | Average$359 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$275 | Average$554 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$280 | Average$615 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$342 | Average$603 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$350 | Average$633 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$541 | Average$715 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$775 | Average$1,337 | FlexibilityNo cancel fee | On-time70% |