$201+ 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 10/24. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — SJO
Oct 7 — Oct 141
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 September 7, 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 September 7, 2026.
This American Airlines deal was found by Cheapflights users on 9/7. 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.
Tue 11/109:50 pm -
1 stop13h 17m
Wed 11/182:01 pm -
1 stop11h 58m
Deal found 9/7![American Airlines logo]()
$444
This American Airlines deal was found by Cheapflights users on 9/2. 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 9/2811:08 pm -
2 stops12h 51m
Thu 10/11:00 pm -
1 stop11h 23m
Deal found 9/2![American Airlines logo]()
$449
This American Airlines deal was found by Cheapflights users on 9/3. 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 10/611:49 pm -
2 stops19h 32m
Fri 10/166:00 am -
2 stops18h 59m
Deal found 9/3![American Airlines logo]()
$468
This United Airlines deal was found by Cheapflights users on 9/3. 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
Wed 12/92:20 pm -
1 stop10h 48m
Deal found 9/3![United Airlines logo]()
$500
This American Airlines deal was found by Cheapflights users on 9/2. 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 9/2![American Airlines logo]()
$505
This Avianca deal was found by Cheapflights users on 9/3. 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.
Tue 10/137:03 am -
2 stops15h 12m
Tue 10/275:35 am -
2 stops15h 58m
Deal found 9/3![Multiple Airlines logo]()
$508
This American Airlines deal was found by Cheapflights users on 9/4. 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 10/1710:55 pm -
2 stops13h 48m
Wed 10/282:44 pm -
2 stops27h 19m
Deal found 9/4![American Airlines logo]()
$509
This American Airlines deal was found by Cheapflights users on 9/3. 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 23m
Sun 10/252:44 pm -
2 stops21h 21m
Deal found 9/3![American Airlines logo]()
$510
This United Airlines deal was found by Cheapflights users on 9/4. 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 9/256:55 pm -
2 stops16h 15m
Sat 10/311:49 am -
1 stop10h 21m
Deal found 9/4![United Airlines logo]()
$514
This American Airlines deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1211:00 pm -
1 stop13h 49m
Fri 11/2012:27 am -
1 stop19h 46m
Deal found 9/2![American Airlines logo]()
$518
This American Airlines deal was found by Cheapflights users on 9/5. 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.
Thu 11/1211:09 pm -
2 stops13h 08m
Thu 11/193:23 pm -
1 stop21h 47m
Deal found 9/5![American Airlines logo]()
$518
This United Airlines deal was found by Cheapflights users on 9/3. 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 12/57:00 am -
1 stop9h 37m
Mon 12/148:45 am -
2 stops17h 51m
Deal found 9/3![United Airlines logo]()
$519
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 September 7, 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 September 7, 2026.
This United Airlines deal was found by Cheapflights users on 9/6. 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 2/57:10 am -
1 stop11h 29m
Fri 2/1212:35 pm -
1 stop12h 37m
Deal found 9/6![United Airlines logo]()
$518
This Southwest deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/217:40 pm -
2 stops17h 05m
Sun 2/281:05 pm -
2 stops13h 30m
Deal found 9/3![Southwest logo]()
$523
This Delta deal was found by Cheapflights users on 9/3. 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 34m
Deal found 9/3![Delta logo]()
$551
This Alaska Airlines deal was found by Cheapflights users on 9/2. 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 1/410:30 am -
1 stop18h 42m
Fri 1/158:33 am -
2 stops31h 15m
Deal found 9/2![Alaska Airlines logo]()
$583
This American Airlines deal was found by Cheapflights users on 9/6. 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.
Thu 10/292:02 pm -
2 stops23h 41m
Wed 11/43:35 pm -
2 stops22h 02m
Deal found 9/6![American Airlines logo]()
$593
This Expedia deal was found by Cheapflights users on 9/2. 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.
Sat 10/178:57 am -
3 stops26h 48m
Sat 10/2412:40 pm -
3 stops24h 28m
Deal found 9/2![Multiple Airlines logo]()
$869
This United Airlines deal was found by Cheapflights users on 9/6. 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.
Thu 10/227:29 pm -
1 stop10h 46m
Thu 10/291:25 pm -
1 stop10h 50m
Deal found 9/6![United Airlines logo]()
$518
This Delta deal was found by Cheapflights users on 9/3. 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 12/3112:35 pm -
2 stops16h 30m
Fri 1/157:05 am -
2 stops17h 48m
Deal found 9/3![Delta logo]()
$563
This United Airlines deal was found by Cheapflights users on 9/3. 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 12/57:00 am -
1 stop9h 37m
Mon 12/148:45 am -
2 stops17h 51m
Deal found 9/3![United Airlines logo]()
$519
This Alaska Airlines deal was found by Cheapflights users on 9/3. 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 1/152:46 pm -
1 stop27h 44m
Sat 1/236:23 pm -
1 stop18h 28m
Deal found 9/3![Alaska Airlines logo]()
$612
This Delta deal was found by Cheapflights users on 9/4. 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 10/2712:33 pm -
2 stops22h 27m
Tue 11/107:00 am -
2 stops18h 54m
Deal found 9/4![Delta logo]()
$563
This United Airlines deal was found by Cheapflights users on 9/3. 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 11/412:59 pm -
2 stops20h 26m
Thu 11/129:40 am -
1 stop10h 38m
Deal found 9/3![United Airlines logo]()
$520
This Alaska Airlines deal was found by Cheapflights users on 9/4. 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 2/166:05 am -
1 stop15h 52m
Wed 2/241:45 am -
2 stops24h 48m
Deal found 9/4![Alaska Airlines logo]()
$615
This Delta deal was found by Cheapflights users on 9/6. 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.
Tue 10/205:20 am -
2 stops29h 40m
Thu 10/291:25 pm -
2 stops28h 36m
Deal found 9/6![Delta logo]()
$563
This United Airlines deal was found by Cheapflights users on 9/7. 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 10/232:08 pm -
1 stop16h 07m
Wed 11/49:40 am -
1 stop10h 20m
Deal found 9/7![United Airlines logo]()
$520
This American Airlines deal was found by Cheapflights users on 9/6. 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.
Tue 10/205:20 am -
2 stops30h 58m
Fri 10/302:18 pm -
2 stops23h 56m
Deal found 9/6![American Airlines logo]()
$708
This Delta deal was found by Cheapflights users on 9/2. 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 10/2812:33 pm -
2 stops22h 27m
Tue 11/107:00 am -
2 stops18h 54m
Deal found 9/2![Delta logo]()
$563
This United Airlines deal was found by Cheapflights users on 9/4. 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 10/252:05 pm -
1 stop16h 27m
Tue 11/179:40 am -
1 stop10h 39m
Deal found 9/4![United Airlines logo]()
$520
This Alaska Airlines deal was found by Cheapflights users on 9/3. 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 2/225:59 pm -
2 stops27h 58m
Wed 2/241:45 am -
1 stop12h 51m
Deal found 9/3![Alaska Airlines logo]()
$678
This United Airlines deal was found by Cheapflights users on 9/6. 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.
Thu 10/297:10 pm -
1 stop12h 22m
Wed 11/49:40 am -
1 stop12h 35m
Deal found 9/6![United Airlines logo]()
$520
This American Airlines deal was found by Cheapflights users on 9/5. 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.
Wed 1/131:35 pm -
1 stop23h 22m
Sun 1/246:30 am -
1 stop14h 29m
Deal found 9/5![American Airlines logo]()
$796
This Alaska Airlines deal was found by Cheapflights users on 9/4. 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 2/165:27 am -
2 stops16h 30m
Thu 2/251:45 am -
2 stops21h 16m
Deal found 9/4![Alaska Airlines logo]()
$678
This United Airlines deal was found by Cheapflights users on 9/6. 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.
Wed 2/37:49 pm -
1 stop10h 43m
Sun 2/146:40 am -
2 stops13h 51m
Deal found 9/6![United Airlines logo]()
$523
This Delta deal was found by Cheapflights users on 9/6. 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.
Fri 1/155:10 pm -
2 stops16h 05m
Sat 1/2312:35 pm -
1 stop11h 51m
Deal found 9/6![Delta logo]()
$654
This Alaska Airlines deal was found by Cheapflights users on 9/2. 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 1/158:24 pm -
2 stops23h 07m
Sun 1/248:33 am -
1 stop30h 58m
Deal found 9/2![Alaska Airlines logo]()
$693
This United Airlines deal was found by Cheapflights users on 9/2. 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 10/2812:59 pm -
2 stops20h 26m
Tue 11/109:40 am -
1 stop10h 32m
Deal found 9/2![United Airlines logo]()
$540
This Delta deal was found by Cheapflights users on 9/3. 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 1/1612:40 pm -
2 stops22h 05m
Sat 1/233:25 pm -
2 stops27h 48m
Deal found 9/3![Delta logo]()
$665
This Alaska Airlines deal was found by Cheapflights users on 9/5. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/305:13 pm -
1 stop11h 51m
Fri 12/411:22 am -
2 stops13h 20m
Deal found 9/5![Alaska Airlines logo]()
$712
This United Airlines deal was found by Cheapflights users on 9/3. 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 10/2812:59 pm -
2 stops20h 26m
Tue 11/38:45 am -
2 stops14h 44m
Deal found 9/3![United Airlines logo]()
$545
This Alaska Airlines deal was found by Cheapflights users on 9/2. 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 1/166:01 am -
2 stops12h 29m
Sat 1/238:33 am -
1 stop14h 55m
Deal found 9/2![Alaska Airlines logo]()
$715
Last-minute flights from Oregon to Costa RicaDiscover last-minute flight deals from Oregon to Costa Rica. Data last updated September 7, 2026 and is based on user searches.
Discover last-minute flight deals from Oregon to Costa Rica. Data last updated September 7, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 9/4. 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 9/257:29 pm -
2 stops15h 41m
Sat 10/101:20 pm -
1 stop10h 01m
Deal found 9/4![United Airlines logo]()
$514
This American Airlines deal was found by Cheapflights users on 9/2. 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 9/2811:08 pm -
2 stops12h 51m
Thu 10/11:00 pm -
1 stop11h 23m
Deal found 9/2![American Airlines logo]()
$449
This American Airlines deal was found by Cheapflights users on 9/3. 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 10/611:49 pm -
2 stops19h 32m
Fri 10/166:00 am -
2 stops18h 59m
Deal found 9/3![American Airlines logo]()
$468
This Avianca deal was found by Cheapflights users on 9/3. 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.
Tue 10/137:03 am -
2 stops15h 12m
Tue 10/275:35 am -
2 stops15h 58m
Deal found 9/3![Multiple Airlines logo]()
$508
This American Airlines deal was found by Cheapflights users on 9/4. 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 10/1710:55 pm -
2 stops13h 48m
Wed 10/282:44 pm -
2 stops27h 19m
Deal found 9/4![American Airlines logo]()
$509
This United Airlines deal was found by Cheapflights users on 9/3. 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 10/1811:59 pm -
1 stop11h 11m
Sun 10/2511:50 am -
1 stop12h 19m
Deal found 9/3![United Airlines logo]()
$500
This American Airlines deal was found by Cheapflights users on 9/3. 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 23m
Sun 10/252:18 pm -
1 stop10h 21m
Deal found 9/3![American Airlines logo]()
$510
This American Airlines deal was found by Cheapflights users on 9/3. 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 10/1811:49 pm -
1 stop13h 11m
Mon 10/261:00 pm -
1 stop11h 39m
Deal found 9/3![American Airlines logo]()
$518
This United Airlines deal was found by Cheapflights users on 9/7. 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.
Wed 10/212:08 pm -
1 stop16h 07m
Wed 11/49:40 am -
1 stop10h 20m
Deal found 9/7![United Airlines logo]()
$520
This American Airlines deal was found by Cheapflights users on 9/2. 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 9/2![American Airlines logo]()
$505
This United Airlines deal was found by Cheapflights users on 9/4. 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 10/252:05 pm -
1 stop16h 27m
Tue 11/179:40 am -
1 stop10h 39m
Deal found 9/4![United Airlines logo]()
$520
This United Airlines deal was found by Cheapflights users on 9/6. 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.
Thu 10/297:10 pm -
1 stop12h 22m
Wed 11/49:40 am -
1 stop12h 35m
Deal found 9/6![United Airlines logo]()
$520
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 September 7, 2026.
Search for one-way flight options from Oregon to Costa Rica. Find affordable one-way fares based on user searches. Data last updated September 7, 2026.
This American Airlines deal was found by Cheapflights users on 9/2. 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 9/2![American Airlines logo]()
$201
This American Airlines deal was found by Cheapflights users on 9/7. 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.
Fri 12/411:09 pm -
2 stops13h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![American Airlines logo]()
$220
This American Airlines deal was found by Cheapflights users on 9/3. 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 1/1111:00 pm -
1 stop11h 17m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![American Airlines logo]()
$227
This Southwest deal was found by Cheapflights users on 9/2. 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.
Wed 10/285:50 am -
2 stops12h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Southwest logo]()
$236
This United Airlines deal was found by Cheapflights users on 9/3. 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 1/257:49 pm -
2 stops15h 33m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![United Airlines logo]()
$238
This United Airlines deal was found by Cheapflights users on 9/5. 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.
Thu 9/172:07 pm -
1 stop16h 08m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![United Airlines logo]()
$239
This United Airlines deal was found by Cheapflights users on 9/3. 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 10/71:52 pm -
1 stop16h 23m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![United Airlines logo]()
$239
This American Airlines deal was found by Cheapflights users on 9/7. 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.
Tue 9/2211:08 pm -
2 stops19h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![American Airlines logo]()
$243
This American Airlines deal was found by Cheapflights users on 9/5. 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.
Fri 11/132:41 pm -
2 stops21h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![American Airlines logo]()
$243
This Avianca deal was found by Cheapflights users on 9/3. 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 1/136:00 am -
2 stops15h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Multiple Airlines logo]()
$247
This United Airlines deal was found by Cheapflights users on 9/3. 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 2/92:35 pm -
1 stop19h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![United Airlines logo]()
$248
This United Airlines deal was found by Cheapflights users on 9/2. 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 9/202:07 pm -
1 stop16h 08m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![United Airlines logo]()
$249
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 September 7, 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 | $482 |
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 September 7, 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
PortlandLiberia
PDX Portland - LIR Liberia
PDXLIR
Portland
Mon 1/11
11:00 pm-12:17 pm
1 stop11h 17m
Liberia
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$227
EugeneSan José
EUG Eugene - SJO San José Juan Santamaria Intl
EUGSJO
Eugene
Wed 10/28
5:50 am-7:40 pm
2 stops12h 50m
San José Juan Santamaria Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$236
PortlandSan José
PDX Portland - SJO San José Juan Santamaria Intl
PDXSJO
Portland
Tue 1/12
7:49 pm-12:15 pm
2 stops14h 26m
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
Mon 1/25
3:30 pm-8:32 am
1 stop15h 02m
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 9/27
11:08 pm-1:57 pm
2 stops13h 49m
San José Juan Santamaria Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$238
MedfordSan José
MFR Medford - SJO San José Juan Santamaria Intl
MFRSJO
Medford
Sun 9/20
2:07 pm-7:15 am
1 stop16h 08m
San José Juan Santamaria Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$239
MedfordSan José
MFR Medford - SJO San José Juan Santamaria Intl
MFRSJO
Medford
Fri 9/18
6:28 pm-7:15 am
1 stop11h 47m
San José Juan Santamaria Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$239
MedfordSan José
MFR Medford - SJO San José Juan Santamaria Intl
MFRSJO
Medford
Thu 9/17
2:07 pm-7:15 am
1 stop16h 08m
San José Juan Santamaria Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$239
BoiseSan José
BOI Boise Air Term. Gowen Fld - SJO San José Juan Santamaria Intl
BOISJO
Boise Air Term. Gowen Fld
Fri 11/13
2:41 pm-1:01 pm
2 stops21h 20m
San José Juan Santamaria Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$243
PortlandSan José
PDX Portland - SJO San José Juan Santamaria Intl
PDXSJO
Portland
Tue 2/9
2:35 pm-12:15 pm
1 stop19h 40m
San José Juan Santamaria Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$248
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
EUG-SJO
PDX-SJO
EUG-LIR
MFR-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
EUG-SJO
PDX-SJO
EUG-LIR
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 $473). Flying from Oregon 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 Oregon to Costa Rica?
The best time to book flights from Oregon to Costa Rica is 62 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 September 7, 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 7,457,451 searches. Data last updated September 7, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$275 | Average$543 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$275 | Average$610 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$301 | Average$717 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$315 | Average$500 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$492 | Average$753 | FlexibilityNo cancel fee | On-time63% |