$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 10/24. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — SJO
Oct 14 — Oct 211
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 September 14, 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 September 14, 2026.
This American Airlines deal was found by Cheapflights users on 9/9. 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 10/1211:49 pm -
1 stop13h 11m
Fri 10/166:00 am -
2 stops18h 05m
Deal found 9/9![American Airlines logo]()
$449
This American Airlines deal was found by Cheapflights users on 9/10. 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 10/2411:49 pm -
1 stop13h 11m
Sat 10/313:01 pm -
2 stops23h 27m
Deal found 9/10![American Airlines logo]()
$468
This BusinessClass deal was found by Cheapflights users on 9/9. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1211:49 pm -
2 stops19h 32m
Fri 10/166:00 am -
2 stops18h 05m
Deal found 9/9![GOL logo]()
$490
This American Airlines deal was found by Cheapflights users on 9/10. 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 10/2410:55 pm -
2 stops13h 48m
Sat 10/312:44 pm -
2 stops23h 44m
Deal found 9/10![American Airlines logo]()
$501
This Avianca deal was found by Cheapflights users on 9/11. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/176:40 am -
2 stops15h 35m
Sat 10/245:45 am -
2 stops15h 48m
Deal found 9/11![Multiple Airlines logo]()
$508
This United Airlines deal was found by Cheapflights users on 9/9. 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 10/277:00 am -
1 stop11h 39m
Wed 11/112:25 pm -
1 stop10h 50m
Deal found 9/9![United Airlines logo]()
$518
This American Airlines deal was found by Cheapflights users on 9/12. 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 10/1810:55 pm -
2 stops13h 48m
Sat 10/242:44 pm -
2 stops21h 21m
Deal found 9/12![American Airlines logo]()
$521
This United Airlines deal was found by Cheapflights users on 9/9. 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 10/277:26 pm -
1 stop11h 06m
Thu 11/128:45 am -
2 stops14h 17m
Deal found 9/9![United Airlines logo]()
$523
This United Airlines deal was found by Cheapflights users on 9/13. 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 10/283:40 pm -
2 stops19h 30m
Wed 11/412:50 pm -
1 stop10h 23m
Deal found 9/13![United Airlines logo]()
$524
This United Airlines deal was found by Cheapflights users on 9/10. 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 11/289:45 pm -
2 stops13h 25m
Fri 12/42:20 pm -
1 stop10h 48m
Deal found 9/10![United Airlines logo]()
$525
This American Airlines deal was found by Cheapflights users on 9/10. 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 11/1611:57 am -
2 stops22h 36m
Tue 11/243:23 pm -
1 stop10h 53m
Deal found 9/10![American Airlines logo]()
$526
This Avianca deal was found by Cheapflights users on 9/10. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/87:03 am -
2 stops15h 12m
Thu 10/155:45 am -
2 stops18h 31m
Deal found 9/10![Multiple Airlines logo]()
$528
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 September 14, 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 September 14, 2026.
This United Airlines deal was found by Cheapflights users on 9/9. 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 10/1211:59 pm -
1 stop11h 22m
Fri 10/168:45 am -
1 stop15h 12m
Deal found 9/9![United Airlines logo]()
$518
This Delta deal was found by Cheapflights users on 9/9. 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 1/41:45 pm -
2 stops20h 50m
Fri 1/153:25 pm -
2 stops27h 34m
Deal found 9/9![Delta logo]()
$551
This Alaska Airlines deal was found by Cheapflights users on 9/13. 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.
Mon 11/302:49 pm -
1 stop14h 15m
Tue 12/811:31 am -
2 stops23h 56m
Deal found 9/13![Alaska Airlines logo]()
$637
This United Airlines deal was found by Cheapflights users on 9/10. 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 1/275:15 am -
2 stops11h 01m
Tue 2/21:15 am -
2 stops13h 11m
Deal found 9/10![United Airlines logo]()
$523
This Delta deal was found by Cheapflights users on 9/10. 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 1/211:00 pm -
2 stops23h 10m
Sat 1/303:25 pm -
2 stops26h 48m
Deal found 9/10![Delta logo]()
$551
This United Airlines deal was found by Cheapflights users on 9/13. 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 10/283:40 pm -
2 stops19h 30m
Wed 11/412:50 pm -
1 stop10h 23m
Deal found 9/13![United Airlines logo]()
$524
This Delta deal was found by Cheapflights users on 9/11. 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.
Fri 12/45:29 pm -
2 stops17h 16m
Sat 12/123:25 pm -
2 stops27h 00m
Deal found 9/11![Delta logo]()
$551
This United Airlines deal was found by Cheapflights users on 9/12. 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 1/277:49 pm -
1 stop10h 43m
Sat 2/61:15 am -
1 stop13h 04m
Deal found 9/12![United Airlines logo]()
$538
This Delta deal was found by Cheapflights users on 9/12. 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 12/55:29 pm -
2 stops17h 16m
Mon 12/142:00 pm -
2 stops24h 03m
Deal found 9/12![Delta logo]()
$571
This United Airlines deal was found by Cheapflights users on 9/11. 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 10/153:23 pm -
2 stops19h 47m
Sun 10/2511:50 am -
1 stop10h 23m
Deal found 9/11![United Airlines logo]()
$566
This United Airlines deal was found by Cheapflights users on 9/13. 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 1/194:05 pm -
2 stops18h 10m
Sun 2/71:15 am -
1 stop13h 04m
Deal found 9/13![United Airlines logo]()
$658
This United Airlines deal was found by Cheapflights users on 9/13. 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 12/412:55 pm -
1 stop29h 44m
Fri 12/118:45 am -
1 stop16h 30m
Deal found 9/13![United Airlines logo]()
$674
This United Airlines deal was found by Cheapflights users on 9/12. 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 10/147:29 pm -
1 stop10h 46m
Sun 10/188:45 am -
1 stop16h 49m
Deal found 9/12![United Airlines logo]()
$678
This United Airlines deal was found by Cheapflights users on 9/10. 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 1/214:05 pm -
2 stops18h 50m
Mon 2/12:01 pm -
1 stop23h 30m
Deal found 9/10![United Airlines logo]()
$680
This United Airlines deal was found by Cheapflights users on 9/13. 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 12/13:44 pm -
2 stops19h 26m
Tue 12/812:50 pm -
1 stop10h 25m
Deal found 9/13![United Airlines logo]()
$685
This United Airlines deal was found by Cheapflights users on 9/12. 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 2/57:10 am -
1 stop9h 06m
Sun 2/141:25 pm -
1 stop11h 42m
Deal found 9/12![United Airlines logo]()
$686
This United Airlines deal was found by Cheapflights users on 9/11. 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 10/1711:59 pm -
1 stop11h 22m
Sat 10/248:45 am -
1 stop13h 15m
Deal found 9/11![United Airlines logo]()
$691
This United Airlines deal was found by Cheapflights users on 9/9. 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 9/2811:59 pm -
1 stop11h 22m
Thu 10/18:45 am -
1 stop16h 49m
Deal found 9/9![United Airlines logo]()
$752
This United Airlines deal was found by Cheapflights users on 9/10. 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 11/1712:54 pm -
1 stop22h 16m
Wed 12/22:20 pm -
2 stops26h 16m
Deal found 9/10![United Airlines logo]()
$763
This United Airlines deal was found by Cheapflights users on 9/9. 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 12/307:00 am -
1 stop9h 37m
Sat 1/912:50 pm -
1 stop22h 50m
Deal found 9/9![United Airlines logo]()
$781
Last-minute flights from Portland to Costa RicaDiscover last-minute flight deals from Portland to Costa Rica. Data last updated September 14, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Costa Rica. Data last updated September 14, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 9/10. 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 9/252:07 pm -
1 stop22h 50m
Fri 10/21:00 pm -
1 stop11h 23m
Deal found 9/10![American Airlines logo]()
$530
This Avianca deal was found by Cheapflights users on 9/10. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/87:03 am -
2 stops15h 12m
Thu 10/155:45 am -
2 stops18h 31m
Deal found 9/10![Multiple Airlines logo]()
$528
This American Airlines deal was found by Cheapflights users on 9/9. 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 10/1211:49 pm -
1 stop13h 11m
Fri 10/166:00 am -
2 stops18h 05m
Deal found 9/9![American Airlines logo]()
$449
This BusinessClass deal was found by Cheapflights users on 9/9. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1211:49 pm -
2 stops19h 32m
Fri 10/166:00 am -
2 stops18h 05m
Deal found 9/9![GOL logo]()
$490
This American Airlines deal was found by Cheapflights users on 9/9. 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 10/169:44 pm -
2 stops14h 59m
Fri 10/232:18 pm -
1 stop10h 21m
Deal found 9/9![American Airlines logo]()
$530
This Avianca deal was found by Cheapflights users on 9/11. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/176:40 am -
2 stops15h 35m
Sat 10/245:45 am -
2 stops15h 48m
Deal found 9/11![Multiple Airlines logo]()
$508
This American Airlines deal was found by Cheapflights users on 9/12. 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 10/1810:55 pm -
2 stops13h 48m
Sat 10/242:44 pm -
2 stops21h 21m
Deal found 9/12![American Airlines logo]()
$521
This American Airlines deal was found by Cheapflights users on 9/10. 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 10/2411:49 pm -
1 stop13h 11m
Sat 10/313:01 pm -
2 stops23h 27m
Deal found 9/10![American Airlines logo]()
$468
This American Airlines deal was found by Cheapflights users on 9/10. 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 10/2410:55 pm -
2 stops13h 48m
Sat 10/312:44 pm -
2 stops23h 44m
Deal found 9/10![American Airlines logo]()
$501
This United Airlines deal was found by Cheapflights users on 9/9. 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 10/277:00 am -
1 stop11h 39m
Wed 11/112:25 pm -
1 stop10h 50m
Deal found 9/9![United Airlines logo]()
$518
This United Airlines deal was found by Cheapflights users on 9/9. 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 10/277:26 pm -
1 stop11h 06m
Thu 11/128:45 am -
2 stops14h 17m
Deal found 9/9![United Airlines logo]()
$523
This United Airlines deal was found by Cheapflights users on 9/13. 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 10/283:40 pm -
2 stops19h 30m
Wed 11/412:50 pm -
1 stop10h 23m
Deal found 9/13![United Airlines logo]()
$524
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 September 14, 2026.
Search for one-way flight options from Portland to Costa Rica. Find affordable one-way fares based on user searches. Data last updated September 14, 2026.
This American Airlines deal was found by Cheapflights users on 9/10. 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 10/2411:49 pm -
1 stop13h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![American Airlines logo]()
$201
This American Airlines deal was found by Cheapflights users on 9/10. 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 1/256:21 pm -
2 stops16h 09m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![American Airlines logo]()
$238
This Avianca deal was found by Cheapflights users on 9/10. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/146:00 am -
2 stops15h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Multiple Airlines logo]()
$247
This United Airlines deal was found by Cheapflights users on 9/12. 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 9/237:27 pm -
1 stop10h 48m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![United Airlines logo]()
$248
This United Airlines deal was found by Cheapflights users on 9/11. 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 10/274:25 pm -
2 stops18h 57m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![United Airlines logo]()
$253
This American Airlines deal was found by Cheapflights users on 9/10. 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 11/1611:00 pm -
1 stop13h 49m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![American Airlines logo]()
$256
This United Airlines deal was found by Cheapflights users on 9/9. 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 10/317:00 am -
1 stop10h 37m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![United Airlines logo]()
$257
This American Airlines deal was found by Cheapflights users on 9/10. 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 1/266:00 am -
1 stop11h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![American Airlines logo]()
$258
This American Airlines deal was found by Cheapflights users on 9/10. 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 9/282:07 pm -
2 stops21h 52m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![American Airlines logo]()
$263
This United Airlines deal was found by Cheapflights users on 9/12. 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 9/211:00 pm -
1 stop22h 21m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![United Airlines logo]()
$266
This Delta deal was found by Cheapflights users on 9/11. 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 1/183:10 pm -
1 stop19h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Delta logo]()
$267
This American Airlines deal was found by Cheapflights users on 9/11. 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.
Wed 1/611:49 pm -
1 stop12h 08m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![American Airlines logo]()
$268
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 September 14, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $444 (American Airlines) |
One-way from | $201 (American Airlines) |
Popular in | July |
Cheapest in | February |
Average price | $518 |
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 September 14, 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
Sun 11/15
9:00 pm-12:20 pm
2 stops13h 20m
San José Juan Santamaria Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$238
PortlandSan José
PDX Portland - SJO San José Juan Santamaria Intl
PDXSJO
Portland
Tue 9/29
7:29 pm-12:21 pm
2 stops15h 52m
San José Juan Santamaria Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$238
PortlandSan José
PDX Portland - SJO San José Juan Santamaria Intl
PDXSJO
Portland
Sun 2/28
9:40 pm-1:45 pm
2 stops14h 05m
San José Juan Santamaria Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$238
PortlandSan José
PDX Portland - SJO San José Juan Santamaria Intl
PDXSJO
Portland
Wed 9/23
7:27 pm-7:15 am
1 stop10h 48m
San José Juan Santamaria Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$248
PortlandSan José
PDX Portland - SJO San José Juan Santamaria Intl
PDXSJO
Portland
Tue 12/8
7:00 am-8:39 pm
1 stop11h 39m
San José Juan Santamaria Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$248
Quickest round-trip
PortlandSan José
PDX Portland - SJO San José Juan Santamaria Intl
PDXSJO
Portland
Thu 1/28
7:10 am-6:16 pm
1 stop9h 06m
San José Juan Santamaria Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$248
PortlandSan José
PDX Portland - SJO San José Juan Santamaria Intl
PDXSJO
Portland
Fri 1/1
11:59 pm-8:39 pm
1 stop18h 40m
San José Juan Santamaria Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$248
PortlandSan José
PDX Portland - SJO San José Juan Santamaria Intl
PDXSJO
Portland
Tue 10/27
3:40 pm-7:32 am
1 stop14h 52m
San José Juan Santamaria Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$248
PortlandSan José
PDX Portland - SJO San José Juan Santamaria Intl
PDXSJO
Portland
Mon 9/21
7:15 pm-12:21 pm
2 stops16h 06m
San José Juan Santamaria Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$248
PortlandLiberia
PDX Portland - LIR Liberia
PDXLIR
Portland
Mon 12/28
7:36 pm-2:00 pm
2 stops16h 24m
Liberia
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$257
Showing 1-10 of 44 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 $464). Flying from Portland to Costa Rica in July is currently the most expensive (average of $744). 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 62 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 September 14, 2026.
Read reviews from past customers who have flown Southwest,Alaska Airlines, andDelta 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.
Food
7.0
Crew
8.6
Entertainment
7.5
Boarding
8.1
Overall
8.0
Comfort
8.0
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Food
7.0
Crew
8.6
Entertainment
7.5
Boarding
8.1
Overall
8.0
Comfort
8.0
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Food
7.0
Crew
8.6
Entertainment
7.5
Boarding
8.1
Overall
8.0
Comfort
8.0
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Food
7.0
Crew
8.6
Entertainment
7.5
Boarding
8.1
Overall
8.0
Comfort
8.0
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Food
7.0
Crew
8.6
Entertainment
7.5
Boarding
8.1
Overall
8.0
Comfort
8.0
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Food
7.0
Crew
8.6
Entertainment
7.5
Boarding
8.1
Overall
8.0
Comfort
8.0
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
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
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Complete your trip
Complete your trip to Costa Rica by adding a car rental and/or hotel reservation to your travel itinerary.
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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 September 14, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 5 airlines flying from Portland to Costa Rica
Discover the top 5 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 September 14, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$275 | Average$542 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$275 | Average$553 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$315 | Average$506 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$344 | Average$671 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$492 | Average$753 | FlexibilityNo cancel fee | On-time63% |