$201+ Cheap flights from Portland (PDX) to Costa Rica
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/17. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — SJO
Nov 29 — Dec 61
Round-trip
1 adult, Economy
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Find cheap flights from Portland to Costa Rica with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Portland to Costa Rica
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Cheapest flights from Portland to Costa RicaExplore the most affordable flight options available from Portland to Costa Rica. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2026.
Explore the most affordable flight options available from Portland to Costa Rica. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2026.
This American Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/111:01 pm -
1 stop19h 50m
Tue 12/82:00 pm -
1 stop12h 13m
Deal found 10/28![American Airlines logo]()
$566
This American Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/72:32 pm -
2 stops20h 03m
Fri 12/181:31 pm -
1 stop13h 03m
Deal found 10/29![American Airlines logo]()
$569
This American Airlines deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/811:39 pm -
2 stops12h 40m
Tue 1/123:42 pm -
2 stops24h 16m
Deal found 10/27![American Airlines logo]()
$582
This Delta deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/52:15 pm -
2 stops20h 30m
Fri 1/153:25 pm -
2 stops23h 07m
Deal found 10/27![Delta logo]()
$590
This Southwest deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/69:00 pm -
2 stops13h 20m
Wed 12/162:15 pm -
2 stops19h 05m
Deal found 10/26![Southwest logo]()
$593
This United Airlines deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/127:26 pm -
2 stops13h 59m
Tue 12/89:40 am -
1 stop10h 43m
Deal found 10/27![United Airlines logo]()
$599
This American Airlines deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1211:00 pm -
1 stop13h 17m
Thu 11/191:31 pm -
1 stop12h 41m
Deal found 10/26![American Airlines logo]()
$599
This American Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/611:09 pm -
2 stops12h 37m
Tue 11/173:54 pm -
2 stops21h 13m
Deal found 10/28![American Airlines logo]()
$603
This American Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/511:13 pm -
2 stops13h 06m
Mon 12/143:35 pm -
2 stops21h 27m
Deal found 10/28![American Airlines logo]()
$603
This American Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/1511:49 pm -
1 stop11h 57m
Sun 11/223:03 pm -
1 stop11h 13m
Deal found 10/28![American Airlines logo]()
$604
This United Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/17:25 pm -
1 stop11h 07m
Sun 12/68:45 am -
2 stops14h 30m
Deal found 10/28![United Airlines logo]()
$605
This Air Canada deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/77:10 pm -
2 stops17h 00m
Wed 12/93:20 pm -
2 stops29h 11m
Deal found 10/25![Air Canada logo]()
$606
Best flights from Portland to Costa RicaDiscover carefully curated flight deals from Portland to Costa Rica that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 30, 2026.
Discover carefully curated flight deals from Portland to Costa Rica that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 30, 2026.
This United Airlines deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/191:18 pm -
2 stops21h 52m
Wed 1/271:00 pm -
1 stop10h 15m
Deal found 10/26![United Airlines logo]()
$565
This Southwest deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/125:20 am -
2 stops12h 40m
Wed 4/219:00 am -
2 stops15h 05m
Deal found 10/30![Southwest logo]()
$594
This Alaska Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/245:40 pm -
1 stop12h 05m
Wed 3/37:35 pm -
1 stop19h 51m
Deal found 10/28![Alaska Airlines logo]()
$615
This Delta deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/216:40 am -
1 stop13h 09m
Mon 2/17:00 am -
1 stop17h 02m
Deal found 10/29![Delta logo]()
$656
This United Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/317:00 am -
1 stop11h 39m
Fri 2/51:15 am -
1 stop12h 59m
Deal found 10/28![United Airlines logo]()
$599
This United Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/17:25 pm -
1 stop11h 07m
Tue 12/89:40 am -
1 stop12h 46m
Deal found 10/29![United Airlines logo]()
$599
This Delta deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/167:35 pm -
2 stops15h 37m
Wed 11/257:00 am -
1 stop14h 14m
Deal found 10/27![Delta logo]()
$660
This United Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/137:00 am -
1 stop11h 39m
Wed 1/278:45 am -
2 stops14h 30m
Deal found 10/28![United Airlines logo]()
$599
This Delta deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/2212:35 am -
2 stops19h 40m
Sun 12/67:00 am -
2 stops17h 32m
Deal found 10/26![Delta logo]()
$660
This United Airlines deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/307:00 am -
1 stop9h 34m
Sun 2/79:25 am -
1 stop13h 20m
Deal found 10/27![United Airlines logo]()
$607
This United Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/225:00 am -
1 stop9h 10m
Sun 2/79:25 am -
1 stop15h 20m
Deal found 10/29![United Airlines logo]()
$607
This United Airlines deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/177:26 pm -
2 stops15h 56m
Mon 11/232:25 pm -
1 stop10h 50m
Deal found 10/30![United Airlines logo]()
$608
This United Airlines deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/157:49 pm -
1 stop10h 26m
Sat 4/246:40 am -
1 stop15h 09m
Deal found 10/25![United Airlines logo]()
$619
This United Airlines deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/87:25 pm -
1 stop11h 07m
Tue 12/158:45 am -
2 stops16h 00m
Deal found 10/25![United Airlines logo]()
$623
This United Airlines deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/42:26 pm -
1 stop20h 30m
Fri 1/152:20 pm -
1 stop10h 55m
Deal found 10/25![United Airlines logo]()
$695
This United Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/311:59 pm -
1 stop13h 21m
Wed 1/131:00 pm -
1 stop10h 15m
Deal found 10/29![United Airlines logo]()
$695
This United Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/117:19 pm -
2 stops15h 51m
Fri 1/222:20 pm -
2 stops23h 56m
Deal found 10/28![United Airlines logo]()
$699
This United Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/245:30 pm -
2 stops23h 07m
Wed 3/38:45 am -
2 stops16h 14m
Deal found 10/29![United Airlines logo]()
$699
This United Airlines deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/175:00 am -
1 stop9h 10m
Mon 11/232:20 pm -
1 stop10h 55m
Deal found 10/30![United Airlines logo]()
$708
Last-minute flights from Portland to Costa RicaDiscover last-minute flight deals from Portland to Costa Rica. Data last updated October 30, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Costa Rica. Data last updated October 30, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/411:25 am -
2 stops23h 20m
Sat 11/143:25 pm -
2 stops20h 39m
Deal found 10/25![Delta logo]()
$635
This United Airlines deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/53:40 pm -
1 stop14h 52m
Thu 11/122:25 pm -
1 stop10h 50m
Deal found 10/26![United Airlines logo]()
$619
This American Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/611:09 pm -
2 stops12h 37m
Tue 11/173:54 pm -
2 stops21h 13m
Deal found 10/28![American Airlines logo]()
$603
This United Airlines deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/127:26 pm -
2 stops13h 59m
Tue 12/89:40 am -
1 stop10h 43m
Deal found 10/27![United Airlines logo]()
$599
This American Airlines deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1211:00 pm -
1 stop13h 17m
Thu 11/191:31 pm -
1 stop12h 41m
Deal found 10/26![American Airlines logo]()
$599
This American Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1211:00 pm -
1 stop13h 17m
Mon 11/163:17 pm -
1 stop10h 26m
Deal found 10/28![American Airlines logo]()
$607
This American Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1211:09 pm -
2 stops13h 08m
Sat 11/211:31 pm -
1 stop12h 41m
Deal found 10/28![American Airlines logo]()
$611
This Mytrip deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/127:10 pm -
2 stops17h 00m
Thu 11/199:40 am -
1 stop12h 57m
Deal found 10/26![Multiple Airlines logo]()
$634
This American Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/1511:49 pm -
1 stop11h 57m
Sun 11/223:03 pm -
1 stop11h 13m
Deal found 10/28![American Airlines logo]()
$604
This Air Canada deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/167:10 pm -
2 stops17h 00m
Tue 11/243:10 pm -
2 stops31h 36m
Deal found 10/27![Air Canada logo]()
$627
This American Airlines deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/172:34 pm -
2 stops19h 59m
Mon 11/233:23 pm -
1 stop10h 53m
Deal found 10/30![American Airlines logo]()
$645
This United Airlines deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/295:00 am -
1 stop9h 10m
Fri 12/42:20 pm -
2 stops21h 17m
Deal found 10/27![United Airlines logo]()
$619
One-way flights from Portland to Costa RicaSearch for one-way flight options from Portland to Costa Rica. Find affordable one-way fares based on user searches. Data last updated October 30, 2026.
Search for one-way flight options from Portland to Costa Rica. Find affordable one-way fares based on user searches. Data last updated October 30, 2026.
This American Airlines deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1711:00 pm -
1 stop19h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![American Airlines logo]()
$201
This American Airlines deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/411:10 pm -
1 stop13h 42m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![American Airlines logo]()
$220
This Southwest deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/188:55 pm -
2 stops14h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Southwest logo]()
$253
This Southwest deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/217:10 pm -
2 stops15h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Southwest logo]()
$266
This Priceline deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/47:59 pm -
1 stop9h 13m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![Alaska Airlines logo]()
$266
This Delta deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/176:20 am -
2 stops13h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![Delta logo]()
$278
This Volaris deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Volaris is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/1210:22 pm -
1 stop22h 22m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Multiple Airlines logo]()
$282
This American Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/262:48 pm -
2 stops19h 32m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![American Airlines logo]()
$283
This United Airlines deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/123:40 pm -
2 stops19h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![United Airlines logo]()
$287
This United Airlines deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/305:00 am -
2 stops13h 39m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![United Airlines logo]()
$288
This Delta deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/1810:33 pm -
1 stop12h 12m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![Delta logo]()
$291
This Alaska Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/199:30 pm -
1 stop24h 27m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Alaska Airlines logo]()
$292
Find flight deals from Portland to Costa Rica
Keep the following information in mind while searching for Portland to Costa Rica flight deals. Data was last updated October 30, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $445 (American Airlines) |
One-way from | $201 (American Airlines) |
Popular in | December |
Cheapest in | January |
Average price | $638 |
Cheapflights Fare Finder
Customize your flight search to find flights from Portland to Costa Rica that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated October 30, 2026.
Use the filters below to find and compare flights from Portland to Costa Rica that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
PortlandSan José
PDX Portland - SJO San José Juan Santamaria Intl
PDXSJO
Portland
Mon 1/18
8:55 pm-1:45 pm
2 stops14h 50m
San José Juan Santamaria Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$253
PortlandSan José
PDX Portland - SJO San José Juan Santamaria Intl
PDXSJO
Portland
Mon 1/18
11:09 pm-12:20 pm
1 stop11h 11m
San José Juan Santamaria Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$278
PortlandSan José
PDX Portland - SJO San José Juan Santamaria Intl
PDXSJO
Portland
Sat 3/27
4:05 pm-10:11 am
2 stops17h 06m
San José Juan Santamaria Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$278
PortlandSan José
PDX Portland - SJO San José Juan Santamaria Intl
PDXSJO
Portland
Wed 2/24
10:30 am-11:57 pm
1 stop11h 27m
San José Juan Santamaria Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$278
PortlandSan José
PDX Portland - SJO San José Juan Santamaria Intl
PDXSJO
Portland
Mon 11/16
9:50 pm-1:07 pm
1 stop13h 17m
San José Juan Santamaria Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$278
PortlandSan José
PDX Portland - SJO San José Juan Santamaria Intl
PDXSJO
Portland
Mon 2/1
1:18 pm-8:32 am
1 stop17h 14m
San José Juan Santamaria Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$278
PortlandSan José
PDX Portland - SJO San José Juan Santamaria Intl
PDXSJO
Portland
Sun 11/15
11:49 pm-1:46 pm
1 stop11h 57m
San José Juan Santamaria Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$278
PortlandLiberia
PDX Portland - LIR Liberia
PDXLIR
Portland
Fri 11/13
7:26 pm-1:10 pm
2 stops15h 44m
Liberia
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$287
PortlandLiberia
PDX Portland - LIR Liberia
PDXLIR
Portland
Wed 11/11
7:15 pm-4:10 pm
1 stop18h 55m
Liberia
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$287
PortlandLiberia
PDX Portland - LIR Liberia
PDXLIR
Portland
Mon 1/4
7:16 pm-12:56 pm
2 stops15h 40m
Liberia
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$287
Showing 1-10 of 38 resultsSorted by cheapest first
Best time to book a flight from Portland to Costa Rica
Have a flexible travel schedule? Discover the best time to fly to Costa Rica from Portland with our price prediction graph.
PDX-SJO
PDX-LIR
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Portland to Costa Rica
PDX-CR0
PDX-SJO
PDX-LIR
What is the cheapest month to book a flight from Portland to Costa Rica?
Currently, January is the cheapest month in which you can book a flight from Portland to Costa Rica (average of $491). Flying from Portland to Costa Rica in December is currently the most expensive (average of $793). 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.
How far ahead should I book a flight from Portland to Costa Rica?
To ensure you get the cheapest price possible for a flight from Portland to Costa Rica, you should look to book at least 84 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
Reviews of airlines servicing Costa Rica
Get insights into the airlines that provide service to Costa Rica. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Costa Rica. Reviews last updated October 30, 2026.
Read reviews from past customers who have flown Alaska Airlines,Delta, andUnited Airlines from Portland to Costa Rica. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.0
Overall
7.9
Comfort
7.8
Boarding
8.1
Food
7.0
Crew
8.5
Reviews
1 / 20
8.0
ExcellentAnonymous,Nov 2025
PDX - BNA
Entertainment
7.0
Overall
7.9
Comfort
7.8
Boarding
8.1
Food
7.0
Crew
8.5
Reviews
1 / 20
8.0
ExcellentAnonymous,Nov 2025
PDX - BNA
Entertainment
7.0
Overall
7.9
Comfort
7.8
Boarding
8.1
Food
7.0
Crew
8.5
Reviews
1 / 20
8.0
ExcellentAnonymous,Nov 2025
PDX - BNA
Entertainment
7.0
Overall
7.9
Comfort
7.8
Boarding
8.1
Food
7.0
Crew
8.5
Reviews
1 / 20
8.0
ExcellentAnonymous,Nov 2025
PDX - BNA
Entertainment
7.0
Overall
7.9
Comfort
7.8
Boarding
8.1
Food
7.0
Crew
8.5
Reviews
1 / 20
8.0
ExcellentAnonymous,Nov 2025
PDX - BNA
Related info for your journey
Find useful and relevant information for your journey from Portland to Costa Rica. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Portland to Costa Rica
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Costa Rica by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Portland to Costa Rica by cabin class
Find flights from Portland to Costa Rica, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Portland and Costa Rica flights
Browse other Portland and Costa Rica flight options. Last updated on October 30, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 4 airlines flying from Portland to Costa Rica
Discover the top 4 airlines that operate flights from Portland to Costa Rica. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated October 30, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$275 | Average$571 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$290 | Average$592 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$315 | Average$518 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$358 | Average$683 | FlexibilityNo cancel fee | On-time75% |