When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 40 days in advance, which can save you up to 18% on flights from Portland to Costa Rica compared to booking the week you need them. Waiting 40 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $552. For sooner than that we have options available in the next 3 days from $694.
September can be a great time to fly to Costa Rica from Portland with a flight ticket averaging about $696. Cheapflights users have found deals in the month of September for as cheap as $291. The most expensive prices can be found in the month of March.
When flying from Portland to Costa Rica, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Fly from
Fly to
Budget
$409 - $636
Route
Depart
Return
Price
PortlandLiberia
PDX - LIR
PDXLIR
Portland
Tue 10/8
2 stops21h 47m
Liberia
Wed 10/16
1 stop9h 34m
PortlandLiberia
PDX - LIR
PDXLIR
Portland
Mon 9/9
1 stop12h 13m
Liberia
Tue 9/17
1 stop29h 31m
PortlandSan José Juan Santamaria Intl
PDX - SJO
PDXSJO
Portland
Sun 6/16
2 stops23h 16m
San José Juan Santamaria Intl
Tue 6/18
2 stops22h 54m
PortlandSan José Juan Santamaria Intl
PDX - SJO
PDXSJO
Portland
Fri 6/7
3 stops23h 16m
San José Juan Santamaria Intl
Tue 6/11
3 stops23h 34m
PortlandLiberia
PDX - LIR
PDXLIR
Portland
Wed 8/21
1 stop12h 18m
Liberia
Sat 8/31
2 stops21h 09m
PortlandSan José Juan Santamaria Intl
PDX - SJO
PDXSJO
Portland
Tue 7/16
2 stops25h 59m
San José Juan Santamaria Intl
Sun 7/21
1 stop26h 08m
PortlandLiberia
PDX - LIR
PDXLIR
Portland
Tue 5/28
1 stop23h 35m
Liberia
Tue 6/11
1 stop13h 22m
PortlandSan José Juan Santamaria Intl
PDX - SJO
PDXSJO
Portland
Sat 7/6
2 stops33h 55m
San José Juan Santamaria Intl
Sat 7/13
2 stops35h 16m
PortlandLiberia
PDX - LIR
PDXLIR
Portland
Fri 6/7
2 stops27h 17m
Liberia
Sat 9/14
2 stops31h 22m
No data available for this route at this time. Please check back soon.
Food
Entertainment
Overall
Boarding
Comfort
Crew
Reviews
Paid a lot for our exit row seats and they weren’t that roomy.
Food
Entertainment
Overall
Boarding
Comfort
Crew
Reviews
Paid a lot for our exit row seats and they weren’t that roomy.
Food
Entertainment
Overall
Boarding
Comfort
Crew
Reviews
Paid a lot for our exit row seats and they weren’t that roomy.
Food
Entertainment
Overall
Boarding
Comfort
Crew
Reviews
Paid a lot for our exit row seats and they weren’t that roomy.
Food
Entertainment
Overall
Boarding
Comfort
Crew
Reviews
Paid a lot for our exit row seats and they weren’t that roomy.
Food
Entertainment
Overall
Boarding
Comfort
Crew
Reviews
Paid a lot for our exit row seats and they weren’t that roomy.
Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Portland to Costa Rica. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.
By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Costa Rica from Portland.
Yes! Cheapflights helps users easily find flights from Portland to Costa Rica with no change fees.
Yes, Cheapflights offers price alerts on Portland to Costa Rica flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.