$151+ Cheap flights from Oregon to Costa Rica
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/23. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — SJO
Jul 10 — Jul 171
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
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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 June 10, 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 June 10, 2026.
This United Airlines deal was found by Cheapflights users on 6/9. 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 11/37:49 pm
PDX
- SJO
2 stops13h 36m
United Airlines
Tue 11/102:20 pm
SJO
- PDX
1 stop10h 51m
United Airlines
Deal found 6/9![United Airlines logo]()
$344
This American Airlines deal was found by Cheapflights users on 6/8. 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 9/2811:06 pm
PDX
- SJO
2 stops20h 01m
American Airlines
Thu 10/16:00 am
SJO
- PDX
2 stops18h 23m
American Airlines
Deal found 6/8![American Airlines logo]()
$349
This United Airlines deal was found by Cheapflights users on 6/8. 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 10/267:49 pm
PDX
- SJO
2 stops13h 36m
United Airlines
Wed 11/412:35 pm
SJO
- PDX
1 stop12h 36m
United Airlines
Deal found 6/8![United Airlines logo]()
$390
This United Airlines deal was found by Cheapflights users on 6/9. 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 10/66:50 am
PDX
- SJO
1 stop11h 47m
United Airlines
Tue 10/137:55 am
SJO
- PDX
2 stops16h 02m
United Airlines
Deal found 6/9![United Airlines logo]()
$395
This oojo deal was found by Cheapflights users on 6/7. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/277:03 am
PDX
- SJO
2 stops15h 12m
Multiple Airlines
Sat 9/55:45 am
SJO
- PDX
2 stops16h 05m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$405
This United Airlines deal was found by Cheapflights users on 6/8. 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 9/97:10 am
PDX
- SJO
1 stop11h 27m
United Airlines
Mon 9/148:45 am
SJO
- PDX
1 stop15h 00m
United Airlines
Deal found 6/8![United Airlines logo]()
$406
This oojo deal was found by Cheapflights users on 6/9. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/109:27 pm
PDX
- SJO
2 stops24h 48m
Multiple Airlines
Mon 8/173:10 pm
SJO
- PDX
2 stops19h 11m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$408
This Avianca deal was found by Cheapflights users on 6/9. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/210:48 am
PDX
- SJO
2 stops11h 52m
Multiple Airlines
Thu 8/135:45 am
SJO
- PDX
2 stops16h 03m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$409
This oojo deal was found by Cheapflights users on 6/9. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/275:00 pm
PDX
- SJO
3 stops17h 45m
Multiple Airlines
Tue 11/33:05 pm
SJO
- PDX
2 stops20h 26m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$412
This eDestinos deal was found by Cheapflights users on 6/7. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/1410:45 am
PDX
- SJO
2 stops11h 55m
Multiple Airlines
Thu 8/275:45 am
SJO
- PDX
1 stop32h 40m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$413
This American Airlines deal was found by Cheapflights users on 6/8. 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 8/173:16 pm
BOI
- SJO
2 stops20h 47m
American Airlines
Mon 8/311:29 pm
SJO
- BOI
2 stops21h 47m
American Airlines
Deal found 6/8![American Airlines logo]()
$413
This American Airlines deal was found by Cheapflights users on 6/9. 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.
Tue 11/35:30 am
PDX
- SJO
1 stop15h 29m
American Airlines
Fri 11/132:39 pm
SJO
- PDX
1 stop22h 31m
American Airlines
Deal found 6/9![American Airlines logo]()
$415
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 June 10, 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 June 10, 2026.
This United Airlines deal was found by Cheapflights users on 6/8. 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 11/16:48 pm
RDM
- SJO
2 stops14h 37m
United Airlines
Mon 11/99:40 am
SJO
- RDM
1 stop10h 23m
United Airlines
Deal found 6/8![United Airlines logo]()
$432
This oojo deal was found by Cheapflights users on 6/5. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/287:07 pm
BOI
- SJO
2 stops13h 38m
Multiple Airlines
Tue 8/115:05 am
SJO
- BOI
2 stops17h 40m
Multiple Airlines
Deal found 6/5![Multiple Airlines logo]()
$494
This Alaska Airlines deal was found by Cheapflights users on 6/6. 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 11/26:00 pm
PDX
- LIR
1 stop22h 55m
Alaska Airlines
Fri 11/610:00 am
LIR
- PDX
1 stop15h 10m
Alaska Airlines
Deal found 6/6![Alaska Airlines logo]()
$561
This Delta deal was found by Cheapflights users on 6/6. 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 9/2810:55 pm
PDX
- SJO
1 stop11h 59m
Delta
Thu 10/11:25 pm
SJO
- PDX
2 stops22h 15m
Delta
Deal found 6/6![Delta logo]()
$563
This American Airlines deal was found by Cheapflights users on 6/9. 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 11/272:58 pm
RDM
- LIR
2 stops19h 32m
American Airlines
Sat 12/53:10 pm
LIR
- RDM
2 stops24h 23m
American Airlines
Deal found 6/9![American Airlines logo]()
$625
This United Airlines deal was found by Cheapflights users on 6/6. 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 7/65:00 am
PDX
- LIR
1 stop9h 19m
United Airlines
Mon 7/1311:49 am
LIR
- PDX
1 stop10h 26m
United Airlines
Deal found 6/6![United Airlines logo]()
$458
This United Airlines deal was found by Cheapflights users on 6/8. 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 7/46:49 pm
EUG
- SJO
1 stop11h 26m
United Airlines
Fri 7/108:45 am
SJO
- EUG
1 stop15h 14m
United Airlines
Deal found 6/8![United Airlines logo]()
$470
This oojo deal was found by Cheapflights users on 6/6. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/246:51 pm
BOI
- SJO
2 stops28h 24m
Multiple Airlines
Sun 8/29:40 am
SJO
- BOI
2 stops24h 32m
Multiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$568
This Delta deal was found by Cheapflights users on 6/10. 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.
Sun 10/255:20 pm
RDM
- LIR
2 stops17h 40m
Delta
Thu 10/291:25 pm
LIR
- RDM
2 stops23h 31m
Delta
Deal found 6/10![Delta logo]()
$585
This Alaska Airlines deal was found by Cheapflights users on 6/8. 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 10/115:28 pm
RDM
- LIR
1 stop25h 26m
Alaska Airlines
Thu 10/229:16 am
LIR
- RDM
2 stops15h 34m
Alaska Airlines
Deal found 6/8![Alaska Airlines logo]()
$594
This United Airlines deal was found by Cheapflights users on 6/9. 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 7/251:59 pm
EUG
- SJO
1 stop16h 16m
United Airlines
Wed 8/58:45 am
SJO
- EUG
1 stop10h 11m
United Airlines
Deal found 6/9![United Airlines logo]()
$508
This American Airlines deal was found by Cheapflights users on 6/5. 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 10/33:21 pm
BOI
- LIR
2 stops22h 26m
American Airlines
Sat 10/101:15 pm
LIR
- BOI
2 stops24h 47m
American Airlines
Deal found 6/5![American Airlines logo]()
$633
This Alaska Airlines deal was found by Cheapflights users on 6/9. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/36:51 pm
BOI
- LIR
1 stop10h 29m
Alaska Airlines
Thu 12/107:35 pm
LIR
- BOI
2 stops25h 35m
Alaska Airlines
Deal found 6/9![Alaska Airlines logo]()
$605
This United Airlines deal was found by Cheapflights users on 6/9. 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 9/27:10 am
PDX
- SJO
1 stop11h 27m
United Airlines
Sun 9/138:45 am
SJO
- PDX
1 stop13h 14m
United Airlines
Deal found 6/9![United Airlines logo]()
$526
This Alaska Airlines deal was found by Cheapflights users on 6/8. 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.
Sat 10/106:22 pm
RDM
- LIR
2 stops48h 32m
Alaska Airlines
Tue 10/209:16 am
LIR
- RDM
2 stops14h 08m
Alaska Airlines
Deal found 6/8![Alaska Airlines logo]()
$620
This American Airlines deal was found by Cheapflights users on 6/5. 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 10/111:45 pm
RDM
- LIR
2 stops23h 00m
American Airlines
Mon 10/192:10 pm
LIR
- RDM
2 stops23h 33m
American Airlines
Deal found 6/5![American Airlines logo]()
$690
This United Airlines deal was found by Cheapflights users on 6/9. 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.
Fri 10/1611:59 pm
PDX
- SJO
1 stop11h 22m
United Airlines
Tue 10/2711:35 am
SJO
- PDX
2 stops14h 19m
United Airlines
Deal found 6/9![United Airlines logo]()
$531
This Delta deal was found by Cheapflights users on 6/8. 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 10/146:20 am
RDM
- LIR
2 stops28h 40m
Delta
Mon 10/191:25 pm
LIR
- RDM
2 stops23h 33m
Delta
Deal found 6/8![Delta logo]()
$731
This Alaska Airlines deal was found by Cheapflights users on 6/9. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/271:38 pm
RDM
- LIR
2 stops14h 42m
Alaska Airlines
Sat 12/56:23 pm
LIR
- RDM
2 stops22h 59m
Alaska Airlines
Deal found 6/9![Alaska Airlines logo]()
$625
This American Airlines deal was found by Cheapflights users on 6/6. 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 11/252:58 pm
RDM
- LIR
2 stops21h 47m
American Airlines
Sun 12/63:28 pm
LIR
- RDM
2 stops24h 05m
American Airlines
Deal found 6/6![American Airlines logo]()
$709
This United Airlines deal was found by Cheapflights users on 6/8. 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 9/191:52 pm
RDM
- SJO
2 stops21h 29m
United Airlines
Wed 9/231:25 pm
SJO
- RDM
2 stops32h 32m
United Airlines
Deal found 6/8![United Airlines logo]()
$533
This Alaska Airlines deal was found by Cheapflights users on 6/9. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/36:51 pm
BOI
- SJO
1 stop28h 06m
Alaska Airlines
Wed 12/91:45 am
SJO
- BOI
1 stop12h 59m
Alaska Airlines
Deal found 6/9![Alaska Airlines logo]()
$634
This United Airlines deal was found by Cheapflights users on 6/9. 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.
Thu 12/311:45 am
BOI
- SJO
2 stops31h 54m
United Airlines
Tue 12/89:40 am
SJO
- BOI
1 stop12h 35m
United Airlines
Deal found 6/9![United Airlines logo]()
$533
This American Airlines deal was found by Cheapflights users on 6/8. 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 10/195:06 am
MFR
- LIR
2 stops28h 59m
American Airlines
Sat 10/312:10 pm
LIR
- MFR
2 stops25h 44m
American Airlines
Deal found 6/8![American Airlines logo]()
$714
This Alaska Airlines deal was found by Cheapflights users on 6/6. 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.
Thu 12/36:51 pm
BOI
- SJO
1 stop28h 06m
Alaska Airlines
Mon 12/71:45 am
SJO
- BOI
1 stop12h 59m
Alaska Airlines
Deal found 6/6![Alaska Airlines logo]()
$639
This United Airlines deal was found by Cheapflights users on 6/5. 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 7/411:50 pm
PDX
- SJO
1 stop9h 21m
United Airlines
Wed 7/811:13 am
SJO
- PDX
2 stops13h 00m
United Airlines
Deal found 6/5![United Airlines logo]()
$537
This United Airlines deal was found by Cheapflights users on 6/9. 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
PDX
- SJO
1 stop18h 38m
United Airlines
Wed 10/211:25 pm
SJO
- PDX
1 stop30h 51m
United Airlines
Deal found 6/9![United Airlines logo]()
$538
This Alaska Airlines deal was found by Cheapflights users on 6/8. 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 8/710:28 am
MFR
- SJO
2 stops12h 18m
Alaska Airlines
Thu 8/131:06 am
SJO
- MFR
2 stops23h 58m
Alaska Airlines
Deal found 6/8![Alaska Airlines logo]()
$683
This United Airlines deal was found by Cheapflights users on 6/10. 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 9/101:52 pm
RDM
- SJO
2 stops21h 29m
United Airlines
Tue 9/151:25 pm
SJO
- RDM
2 stops29h 48m
United Airlines
Deal found 6/10![United Airlines logo]()
$550
This Expedia deal was found by Cheapflights users on 6/6. 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.
Wed 11/251:28 pm
RDM
- LIR
1 stop14h 52m
Alaska Airlines
Sun 12/67:35 pm
LIR
- RDM
2 stops27h 37m
Alaska Airlines
Deal found 6/6![Alaska Airlines logo]()
$723
Last-minute flights from Oregon to Costa RicaDiscover last-minute flight deals from Oregon to Costa Rica. Data last updated June 10, 2026 and is based on user searches.
Discover last-minute flight deals from Oregon to Costa Rica. Data last updated June 10, 2026 and is based on user searches.
This oojo deal was found by Cheapflights users on 6/9. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/119:27 pm
PDX
- SJO
2 stops25h 13m
Multiple Airlines
Sat 6/133:10 pm
SJO
- PDX
2 stops19h 11m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$461
This Avianca deal was found by Cheapflights users on 6/8. 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 6/117:00 am
PDX
- SJO
2 stops15h 15m
Multiple Airlines
Mon 6/225:05 am
SJO
- PDX
2 stops12h 42m
Multiple Airlines
Deal found 6/8![Multiple Airlines logo]()
$485
This oojo deal was found by Cheapflights users on 6/8. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/127:00 am
PDX
- SJO
2 stops15h 40m
Multiple Airlines
Fri 6/193:10 pm
SJO
- PDX
2 stops19h 11m
Multiple Airlines
Deal found 6/8![Multiple Airlines logo]()
$477
This United Airlines deal was found by Cheapflights users on 6/5. 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 7/111:59 pm
PDX
- SJO
1 stop9h 12m
United Airlines
Thu 10/227:55 am
SJO
- PDX
1 stop12h 21m
United Airlines
Deal found 6/5![United Airlines logo]()
$478
This oojo deal was found by Cheapflights users on 6/9. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/39:27 pm
PDX
- SJO
2 stops25h 13m
Multiple Airlines
Wed 11/257:50 pm
SJO
- PDX
2 stops22h 37m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$471
This United Airlines deal was found by Cheapflights users on 6/8. 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 7/46:49 pm
EUG
- SJO
1 stop11h 26m
United Airlines
Fri 7/108:45 am
SJO
- EUG
1 stop15h 14m
United Airlines
Deal found 6/8![United Airlines logo]()
$470
This United Airlines deal was found by Cheapflights users on 6/7. 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 7/411:00 am
PDX
- SJO
2 stops10h 39m
United Airlines
Thu 7/97:55 am
SJO
- PDX
1 stop12h 23m
United Airlines
Deal found 6/7![United Airlines logo]()
$473
This United Airlines deal was found by Cheapflights users on 6/6. 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 7/65:00 am
PDX
- LIR
1 stop9h 19m
United Airlines
Mon 7/1311:49 am
LIR
- PDX
1 stop10h 26m
United Airlines
Deal found 6/6![United Airlines logo]()
$458
This United Airlines deal was found by Cheapflights users on 6/8. 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 7/86:03 pm
PDX
- SJO
1 stop12h 12m
United Airlines
Wed 7/157:55 am
SJO
- PDX
1 stop12h 23m
United Airlines
Deal found 6/8![United Airlines logo]()
$468
This oojo deal was found by Cheapflights users on 6/9. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/139:27 pm
PDX
- SJO
2 stops25h 13m
Multiple Airlines
Wed 7/229:40 am
SJO
- PDX
2 stops24h 41m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$479
This Avianca deal was found by Cheapflights users on 6/8. 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 7/307:00 am
PDX
- SJO
2 stops15h 15m
Multiple Airlines
Tue 8/45:45 am
SJO
- PDX
2 stops17h 15m
Multiple Airlines
Deal found 6/8![Multiple Airlines logo]()
$466
This oojo deal was found by Cheapflights users on 6/9. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/319:27 pm
PDX
- SJO
2 stops24h 48m
Multiple Airlines
Sat 8/89:40 am
SJO
- PDX
2 stops24h 41m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$457
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 June 10, 2026.
Search for one-way flight options from Oregon to Costa Rica. Find affordable one-way fares based on user searches. Data last updated June 10, 2026.
This American Airlines deal was found by Cheapflights users on 6/8. 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 11/235:30 am
PDX
- SJO
1 stop15h 29m
American Airlines
Deal found 6/8![American Airlines logo]()
$151
This American Airlines deal was found by Cheapflights users on 6/9. 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.
Sat 10/241:30 pm
PDX
- SJO
1 stop23h 28m
American Airlines
Deal found 6/9![American Airlines logo]()
$165
This oojo deal was found by Cheapflights users on 6/9. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/246:40 am
PDX
- SJO
2 stops15h 35m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$194
This oojo deal was found by Cheapflights users on 6/6. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/19:27 pm
PDX
- SJO
3 stops20h 23m
Multiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$197
This Avianca deal was found by Cheapflights users on 6/9. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/2910:45 am
PDX
- SJO
2 stops11h 55m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$200
This United Airlines deal was found by Cheapflights users on 6/7. 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 7/65:00 am
PDX
- LIR
1 stop9h 19m
United Airlines
Deal found 6/7![United Airlines logo]()
$202
This United Airlines deal was found by Cheapflights users on 6/9. 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.
Thu 6/257:13 am
PDX
- SJO
1 stop14h 26m
United Airlines
Deal found 6/9![United Airlines logo]()
$213
This United Airlines deal was found by Cheapflights users on 6/6. 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 8/77:39 pm
RDM
- SJO
2 stops13h 32m
United Airlines
Deal found 6/6![United Airlines logo]()
$214
This United Airlines deal was found by Cheapflights users on 6/7. 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 8/74:15 pm
PDX
- LIR
2 stops16h 35m
United Airlines
Deal found 6/7![United Airlines logo]()
$216
This Southwest deal was found by Cheapflights users on 6/7. 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 9/138:00 pm
PDX
- SJO
2 stops21h 40m
Southwest
Deal found 6/7![Southwest logo]()
$218
This American Airlines deal was found by Cheapflights users on 6/7. 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 9/61:38 pm
PDX
- LIR
1 stop23h 00m
American Airlines
Deal found 6/7![American Airlines logo]()
$218
This Justfly.com deal was found by Cheapflights users on 6/9. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/285:37 pm
PDX
- SJO
2 stops14h 08m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$222
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 June 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $344 (United Airlines) |
One-way from | $151 (American Airlines) |
Popular in | July |
Cheapest in | September |
Average price | $670 |
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 2,558,603 searches. Data last updated June 10, 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
RedmondSan José
RDM - SJO
RDMSJO
Bend/Redmond
Sun 11/1
6:48 pm-11:25 am
2 stops14h 37m
San José Juan Santamaria Intl
Mon 11/9
9:40 am-6:03 pm
1 stop10h 23m
$432
Quickest round-trip
PortlandLiberia
PDX - LIR
PDXLIR
Portland
Mon 7/6
5:00 am-3:19 pm
1 stop9h 19m
Liberia
Mon 7/13
11:49 am-9:15 pm
1 stop10h 26m
$458
EugeneSan José
EUG - SJO
EUGSJO
Eugene
Sat 7/4
6:49 pm-7:15 am
1 stop11h 26m
San José Juan Santamaria Intl
Fri 7/10
8:45 am-10:59 pm
1 stop15h 14m
$470
BoiseSan José
BOI - SJO
BOISJO
Boise Air Term. Gowen Fld
Tue 7/28
7:07 pm-8:45 am
2 stops13h 38m
San José Juan Santamaria Intl
Tue 8/11
5:05 am-10:45 pm
2 stops17h 40m
$494
EugeneSan José
EUG - SJO
EUGSJO
Eugene
Sat 7/25
1:59 pm-7:15 am
1 stop16h 16m
San José Juan Santamaria Intl
Wed 8/5
8:45 am-5:56 pm
1 stop10h 11m
$508
PortlandSan José
PDX - SJO
PDXSJO
Portland
Wed 9/2
7:10 am-7:37 pm
1 stop11h 27m
San José Juan Santamaria Intl
Sun 9/13
8:45 am-8:59 pm
1 stop13h 14m
$526
PortlandSan José
PDX - SJO
PDXSJO
Portland
Fri 10/16
11:59 pm-12:21 pm
1 stop11h 22m
San José Juan Santamaria Intl
Tue 10/27
11:35 am-12:54 am
2 stops14h 19m
$531
RedmondSan José
RDM - SJO
RDMSJO
Bend/Redmond
Sat 9/19
1:52 pm-12:21 pm
2 stops21h 29m
San José Juan Santamaria Intl
Wed 9/23
1:25 pm-8:57 pm
2 stops32h 32m
$533
BoiseSan José
BOI - SJO
BOISJO
Boise Air Term. Gowen Fld
Thu 12/3
11:45 am-8:39 pm
2 stops31h 54m
San José Juan Santamaria Intl
Tue 12/8
9:40 am-9:15 pm
1 stop12h 35m
$533
PortlandSan José
PDX - SJO
PDXSJO
Portland
Sat 7/4
11:50 pm-10:11 am
1 stop9h 21m
San José Juan Santamaria Intl
Wed 7/8
11:13 am-11:13 pm
2 stops13h 00m
$537
Showing 1-10 of 57 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-SJO
PDX-LIR
BOI-SJO
BOI-LIR
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-SJO
PDX-LIR
BOI-SJO
BOI-LIR
What is the cheapest month to book a flight from Oregon to Costa Rica?
Currently, September is the cheapest month in which you can book a flight from Oregon to Costa Rica (average of $146). Flying from Oregon to Costa Rica in May is currently the most expensive (average of $309). 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 30 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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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 June 10, 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 5 airlines flying from Oregon to Costa Rica
Discover the top 5 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 2,558,603 searches. Data last updated June 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$275 | Average$540 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$275 | Average$564 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$287 | Average$409 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$295 | Average$610 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$492 | Average$984 | FlexibilityNo cancel fee | On-time63% |