$220+ Cheap flights from Oregon 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 12/4. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — SJO
Nov 23 — Nov 301
Round-trip
1 adult, Economy
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Find cheap flights from Oregon 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 Oregon to Costa Rica
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Cheapest flights from Oregon to Costa RicaExplore the most affordable flight options available from Oregon to Costa Rica. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 24, 2026.
Explore the most affordable flight options available from Oregon to Costa Rica. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 24, 2026.
This American Airlines deal was found by Cheapflights users on 10/24. 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 stop11h 59m
Tue 12/82:00 pm -
1 stop12h 13m
Deal found 10/24![American Airlines logo]()
$506
This United Airlines deal was found by Cheapflights users on 10/23. 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 12/77:25 pm -
2 stops18h 45m
Fri 12/181:00 pm -
1 stop10h 16m
Deal found 10/23![United Airlines logo]()
$565
This United Airlines deal was found by Cheapflights users on 10/23. 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 12/77:25 pm -
2 stops15h 45m
Thu 12/171:00 pm -
2 stops13h 47m
Deal found 10/23![United Airlines logo]()
$569
This United Airlines deal was found by Cheapflights users on 10/20. 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 12/47:25 pm -
2 stops15h 31m
Fri 12/111:00 pm -
1 stop10h 15m
Deal found 10/20![United Airlines logo]()
$576
This American Airlines deal was found by Cheapflights users on 10/20. 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 12/411:39 pm -
2 stops12h 40m
Fri 12/111:35 pm -
1 stop12h 38m
Deal found 10/20![American Airlines logo]()
$580
This United Airlines deal was found by Cheapflights users on 10/23. 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 11/57:25 pm -
1 stop11h 07m
Sun 11/89:40 am -
1 stop15h 12m
Deal found 10/23![United Airlines logo]()
$581
This United Airlines deal was found by Cheapflights users on 10/19. 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 11/22:05 pm -
1 stop16h 27m
Thu 11/59:40 am -
1 stop10h 42m
Deal found 10/19![United Airlines logo]()
$581
This United Airlines deal was found by Cheapflights users on 10/20. 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 11/111:02 pm -
2 stops20h 23m
Wed 11/189:40 am -
1 stop10h 39m
Deal found 10/20![United Airlines logo]()
$582
This American Airlines deal was found by Cheapflights users on 10/21. 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 11/162:34 pm -
2 stops19h 59m
Thu 11/193:32 pm -
2 stops21h 35m
Deal found 10/21![American Airlines logo]()
$584
This United Airlines deal was found by Cheapflights users on 10/20. 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 12/52:02 pm -
2 stops14h 23m
Sat 12/126:40 am -
2 stops15h 35m
Deal found 10/20![United Airlines logo]()
$585
This American Airlines deal was found by Cheapflights users on 10/19. 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 11/21:50 pm -
2 stops21h 56m
Thu 11/53:54 pm -
2 stops23h 23m
Deal found 10/19![American Airlines logo]()
$585
This American Airlines deal was found by Cheapflights users on 10/24. 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 11/111:00 pm -
1 stop12h 01m
Tue 11/172:01 pm -
1 stop11h 58m
Deal found 10/24![American Airlines logo]()
$589
Best flights from Oregon to Costa RicaDiscover carefully curated flight deals from Oregon to Costa Rica that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 24, 2026.
Discover carefully curated flight deals from Oregon to Costa Rica that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 24, 2026.
This United Airlines deal was found by Cheapflights users on 10/20. 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 1/115:00 am -
1 stop9h 10m
Fri 1/221:00 pm -
1 stop10h 15m
Deal found 10/20![United Airlines logo]()
$545
This American Airlines deal was found by Cheapflights users on 10/19. 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 1/1111:49 pm -
1 stop12h 53m
Fri 1/223:42 pm -
1 stop11h 17m
Deal found 10/19![American Airlines logo]()
$545
This Delta deal was found by Cheapflights users on 10/19. 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 1/41:38 pm -
2 stops20h 57m
Fri 1/153:25 pm -
2 stops27h 03m
Deal found 10/19![Delta logo]()
$551
This Alaska Airlines deal was found by Cheapflights users on 10/24. 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 2/267:31 pm -
2 stops20h 54m
Mon 3/17:35 pm -
2 stops21h 38m
Deal found 10/24![Alaska Airlines logo]()
$656
This United Airlines deal was found by Cheapflights users on 10/23. 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 12/73:44 pm -
2 stops19h 26m
Thu 12/171:00 pm -
1 stop10h 16m
Deal found 10/23![United Airlines logo]()
$565
This American Airlines deal was found by Cheapflights users on 10/19. 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 10/2710:55 pm -
2 stops20h 26m
Mon 11/22:46 pm -
1 stop10h 57m
Deal found 10/19![American Airlines logo]()
$603
This United Airlines deal was found by Cheapflights users on 10/21. 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 1/175:00 am -
1 stop9h 10m
Sun 1/318:45 am -
1 stop16h 30m
Deal found 10/21![United Airlines logo]()
$576
This Delta deal was found by Cheapflights users on 10/20. 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 11/95:29 pm -
2 stops17h 43m
Mon 12/142:37 pm -
2 stops19h 56m
Deal found 10/20![Delta logo]()
$660
This American Airlines deal was found by Cheapflights users on 10/19. 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 12/911:10 pm -
1 stop13h 42m
Sun 12/206:22 am -
1 stop20h 12m
Deal found 10/19![American Airlines logo]()
$604
This Alaska Airlines deal was found by Cheapflights users on 10/24. 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 1/297:35 am -
1 stop10h 56m
Wed 2/38:33 am -
1 stop16h 27m
Deal found 10/24![Alaska Airlines logo]()
$675
This United Airlines deal was found by Cheapflights users on 10/20. 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 2/172:03 pm -
1 stop16h 29m
Mon 3/19:40 am -
1 stop9h 54m
Deal found 10/20![United Airlines logo]()
$581
This Alaska Airlines deal was found by Cheapflights users on 10/24. 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.
Tue 2/25:02 am -
2 stops16h 23m
Wed 2/171:45 am -
1 stop14h 56m
Deal found 10/24![Alaska Airlines logo]()
$678
This American Airlines deal was found by Cheapflights users on 10/21. 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 2/21:30 pm -
2 stops22h 21m
Wed 2/1712:30 am -
2 stops14h 36m
Deal found 10/21![American Airlines logo]()
$620
This United Airlines deal was found by Cheapflights users on 10/23. 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 2/11:58 pm -
1 stop16h 34m
Tue 2/99:40 am -
1 stop10h 43m
Deal found 10/23![United Airlines logo]()
$581
This Alaska Airlines deal was found by Cheapflights users on 10/19. 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.
Sun 1/315:39 pm -
2 stops27h 46m
Wed 2/31:23 am -
2 stops24h 36m
Deal found 10/19![Alaska Airlines logo]()
$678
This American Airlines deal was found by Cheapflights users on 10/20. 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 2/221:37 pm -
2 stops22h 20m
Wed 3/312:30 am -
2 stops14h 36m
Deal found 10/20![American Airlines logo]()
$620
This United Airlines deal was found by Cheapflights users on 10/23. 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 11/112:05 pm -
1 stop16h 27m
Wed 11/189:40 am -
1 stop10h 39m
Deal found 10/23![United Airlines logo]()
$581
This Alaska Airlines deal was found by Cheapflights users on 10/21. 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 2/86:02 am -
2 stops15h 23m
Tue 2/161:45 am -
2 stops15h 28m
Deal found 10/21![Alaska Airlines logo]()
$678
This United Airlines deal was found by Cheapflights users on 10/20. 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 12/52:02 pm -
2 stops14h 23m
Sat 12/126:40 am -
2 stops15h 35m
Deal found 10/20![United Airlines logo]()
$585
This American Airlines deal was found by Cheapflights users on 10/22. 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 1/141:30 pm -
2 stops23h 26m
Fri 1/226:30 am -
2 stops19h 01m
Deal found 10/22![American Airlines logo]()
$660
This United Airlines deal was found by Cheapflights users on 10/23. 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 -
1 stop11h 13m
Sun 1/311:15 am -
2 stops15h 21m
Deal found 10/23![United Airlines logo]()
$599
This United Airlines deal was found by Cheapflights users on 10/19. 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
Mon 11/29:40 am -
1 stop10h 44m
Deal found 10/19![United Airlines logo]()
$599
This United Airlines deal was found by Cheapflights users on 10/21. 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 1/97:24 pm -
1 stop11h 08m
Fri 1/151:15 am -
1 stop12h 59m
Deal found 10/21![United Airlines logo]()
$599
This Expedia deal was found by Cheapflights users on 10/21. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/195:48 pm -
2 stops35h 57m
Tue 3/236:35 pm -
1 stop16h 43m
Deal found 10/21![Alaska Airlines logo]()
$920
This United Airlines deal was found by Cheapflights users on 10/20. 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 11/137:15 pm -
2 stops15h 55m
Sun 11/221:00 pm -
1 stop12h 09m
Deal found 10/20![United Airlines logo]()
$607
This United Airlines deal was found by Cheapflights users on 10/24. 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 11/97:26 pm -
1 stop11h 06m
Fri 11/139:40 am -
1 stop13h 22m
Deal found 10/24![United Airlines logo]()
$619
This United Airlines deal was found by Cheapflights users on 10/23. 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 1/117:00 am -
1 stop11h 39m
Tue 1/268:45 am -
2 stops14h 30m
Deal found 10/23![United Airlines logo]()
$621
This United Airlines deal was found by Cheapflights users on 10/22. 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 1/101:58 pm -
2 stops20h 58m
Sun 1/249:25 am -
1 stop12h 48m
Deal found 10/22![United Airlines logo]()
$629
This United Airlines deal was found by Cheapflights users on 10/22. 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 12/65:00 am -
1 stop9h 10m
Sun 12/139:25 am -
1 stop11h 02m
Deal found 10/22![United Airlines logo]()
$629
This United Airlines deal was found by Cheapflights users on 10/21. 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 11/35:00 am -
1 stop9h 10m
Tue 11/102:20 pm -
2 stops25h 02m
Deal found 10/21![United Airlines logo]()
$635
Last-minute flights from Oregon to Costa RicaDiscover last-minute flight deals from Oregon to Costa Rica. Data last updated October 24, 2026 and is based on user searches.
Discover last-minute flight deals from Oregon to Costa Rica. Data last updated October 24, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 10/21. 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 10/275:20 am -
2 stops14h 01m
Wed 11/112:46 pm -
1 stop10h 57m
Deal found 10/21![American Airlines logo]()
$603
This American Airlines deal was found by Cheapflights users on 10/24. 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 11/111:00 pm -
1 stop12h 01m
Tue 11/172:01 pm -
1 stop11h 58m
Deal found 10/24![American Airlines logo]()
$589
This United Airlines deal was found by Cheapflights users on 10/19. 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 11/22:05 pm -
1 stop16h 27m
Thu 11/59:40 am -
1 stop10h 42m
Deal found 10/19![United Airlines logo]()
$581
This American Airlines deal was found by Cheapflights users on 10/19. 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 11/21:50 pm -
2 stops21h 56m
Thu 11/53:54 pm -
2 stops23h 23m
Deal found 10/19![American Airlines logo]()
$585
This American Airlines deal was found by Cheapflights users on 10/21. 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 11/311:00 pm -
1 stop13h 49m
Tue 11/102:01 pm -
1 stop11h 58m
Deal found 10/21![American Airlines logo]()
$599
This United Airlines deal was found by Cheapflights users on 10/23. 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 11/57:25 pm -
1 stop11h 07m
Sun 11/89:40 am -
1 stop15h 12m
Deal found 10/23![United Airlines logo]()
$581
This United Airlines deal was found by Cheapflights users on 10/20. 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 11/111:02 pm -
2 stops20h 23m
Wed 11/189:40 am -
1 stop10h 39m
Deal found 10/20![United Airlines logo]()
$582
This American Airlines deal was found by Cheapflights users on 10/23. 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 11/111:50 pm -
2 stops21h 56m
Wed 11/182:46 pm -
2 stops21h 36m
Deal found 10/23![American Airlines logo]()
$605
This United Airlines deal was found by Cheapflights users on 10/20. 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 11/163:40 pm -
2 stops19h 30m
Tue 11/242:20 pm -
1 stop10h 55m
Deal found 10/20![United Airlines logo]()
$576
This American Airlines deal was found by Cheapflights users on 10/21. 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 11/162:34 pm -
2 stops19h 59m
Thu 11/193:32 pm -
2 stops21h 35m
Deal found 10/21![American Airlines logo]()
$584
This BusinessClass deal was found by Cheapflights users on 10/21. 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 11/165:00 am -
2 stops29h 33m
Thu 11/191:31 pm -
1 stop12h 41m
Deal found 10/21![GOL logo]()
$606
This American Airlines deal was found by Cheapflights users on 10/20. 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 11/2311:01 pm -
1 stop19h 56m
Sun 12/62:46 pm -
1 stop11h 03m
Deal found 10/20![American Airlines logo]()
$604
One-way flights from Oregon to Costa RicaSearch for one-way flight options from Oregon to Costa Rica. Find affordable one-way fares based on user searches. Data last updated October 24, 2026.
Search for one-way flight options from Oregon to Costa Rica. Find affordable one-way fares based on user searches. Data last updated October 24, 2026.
This American Airlines deal was found by Cheapflights users on 10/24. 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 12/411:13 pm -
2 stops13h 39m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/24![American Airlines logo]()
$220
This American Airlines deal was found by Cheapflights users on 10/24. 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 stop13h 49m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/24![American Airlines logo]()
$262
This United Airlines deal was found by Cheapflights users on 10/21. 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 10/316:00 am -
2 stops12h 39m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![United Airlines logo]()
$269
This United Airlines deal was found by Cheapflights users on 10/21. 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 2/91:58 pm -
1 stop16h 34m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![United Airlines logo]()
$269
This Kiwi.com deal was found by Cheapflights users on 10/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/317:00 am -
2 stops29h 16m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/24![Multiple Airlines logo]()
$270
This American Airlines deal was found by Cheapflights users on 10/21. 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 1/136:00 am -
1 stop11h 54m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![American Airlines logo]()
$278
This United Airlines deal was found by Cheapflights users on 10/20. 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 11/125:00 am -
1 stop9h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![United Airlines logo]()
$287
This Delta deal was found by Cheapflights users on 10/22. 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 11/1711:10 pm -
1 stop12h 02m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Delta logo]()
$288
This Volaris deal was found by Cheapflights users on 10/24. 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.
Wed 1/610:22 pm -
1 stop22h 22m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/24![Multiple Airlines logo]()
$305
This United Airlines deal was found by Cheapflights users on 10/23. 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 12/145:00 am -
1 stop9h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/23![United Airlines logo]()
$318
This American Airlines deal was found by Cheapflights users on 10/20. 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 1/151:36 pm -
2 stops20h 44m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![American Airlines logo]()
$319
This American Airlines deal was found by Cheapflights users on 10/22. 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 11/711:00 pm -
1 stop13h 17m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![American Airlines logo]()
$331
Find flight deals from Oregon to Costa Rica
Keep the following information in mind while searching for Oregon to Costa Rica flight deals. Data was last updated October 24, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $445 (American Airlines) |
One-way from | $220 (American Airlines) |
Popular in | December |
Cheapest in | January |
Average price | $638 |
Cheapflights Fare Finder
Customize your flight search to find flights from Oregon 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 24, 2026.
Use the filters below to find and compare flights from Oregon 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
Tue 11/17
11:09 pm-2:49 pm
2 stops13h 40m
San José Juan Santamaria Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$220
MedfordSan José
MFR Medford - SJO San José Juan Santamaria Intl
MFRSJO
Medford
Fri 10/30
2:06 pm-5:25 am
2 stops14h 19m
San José Juan Santamaria Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$269
MedfordSan José
MFR Medford - SJO San José Juan Santamaria Intl
MFRSJO
Medford
Sat 10/31
2:06 pm-7:32 am
1 stop16h 26m
San José Juan Santamaria Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$269
MedfordSan José
MFR Medford - SJO San José Juan Santamaria Intl
MFRSJO
Medford
Tue 11/3
2:06 pm-8:32 am
1 stop16h 26m
San José Juan Santamaria Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$269
RedmondSan José
RDM Bend/Redmond - SJO San José Juan Santamaria Intl
RDMSJO
Bend/Redmond
Fri 1/15
9:15 am-6:25 am
1 stop19h 10m
San José Juan Santamaria Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$269
PortlandSan José
PDX Portland - SJO San José Juan Santamaria Intl
PDXSJO
Portland
Tue 11/17
6:00 am-10:15 pm
2 stops14h 15m
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
11:09 pm-2:49 pm
2 stops13h 40m
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 11/7
3:40 pm-6:25 am
2 stops12h 45m
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 12/30
1:41 pm-8:32 am
1 stop16h 51m
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 11/27
2:34 pm-12:56 pm
1 stop20h 22m
Liberia
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$287
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Oregon to Costa Rica
Have a flexible travel schedule? Discover the best time to fly to Costa Rica from Oregon with our price prediction graph.
PDX-LIR
RDM-LIR
PDX-SJO
MFR-SJO
RDM-SJO
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 Oregon to Costa Rica
USOR-CR0
PDX-LIR
RDM-LIR
PDX-SJO
MFR-SJO
What is the cheapest month to book a flight from Oregon to Costa Rica?
Currently, January is the cheapest month in which you can book a flight from Oregon to Costa Rica (average of $496). Flying from Oregon to Costa Rica in December is currently the most expensive (average of $767). 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 Oregon to Costa Rica?
The best time to book flights from Oregon to Costa Rica is 84 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Related info for your journey
Find useful and relevant information for your journey from Oregon to Costa Rica. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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Complete your trip
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Alternative routes for Oregon 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 Oregon to Costa Rica by cabin class
Find flights from Oregon to Costa Rica, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Oregon and Costa Rica flights
Browse other Oregon and Costa Rica flight options. Last updated on October 24, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Find a return flight route from Costa Rica
Find the right flight back to Oregon after your stay in Costa Rica
Oregon to Costa Rica flights
Consider these flights traveling from Oregon to Costa Rica.
Top 4 airlines flying from Oregon to Costa Rica
Discover the top 4 airlines that operate flights from Oregon 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 24, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$275 | Average$563 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$284 | Average$636 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$315 | Average$518 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$344 | Average$716 | FlexibilityNo cancel fee | On-time75% |