$216+ Cheap flights from Costa Rica to Portland, ME (PWM)
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 10/24. Fares are subject to change and may not be available on all flights or dates of travel.
SJO — PWM
Sep 20 — Sep 271
Round-trip
1 adult, Economy
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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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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 Costa Rica to Portland
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Cheapest flights from Costa Rica to PortlandExplore the most affordable flight options available from Costa Rica to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 21, 2026.
Explore the most affordable flight options available from Costa Rica to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 21, 2026.
This United Airlines deal was found by Cheapflights users on 8/20. 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 10/281:20 pm -
2 stops30h 31m
Sat 10/315:08 pm -
2 stops22h 02m
Deal found 8/20![United Airlines logo]()
$408
This United Airlines deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” 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 9/231:20 pm -
2 stops51h 23m
Thu 10/17:58 am -
2 stops30h 12m
Deal found 8/18![United Airlines logo]()
$546
This United Airlines deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” 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 8/271:20 pm -
2 stops30h 03m
Tue 9/13:45 pm -
2 stops22h 25m
Deal found 8/18![United Airlines logo]()
$826
This Delta deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” 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 9/231:25 pm -
1 stop8h 03m
Thu 10/16:00 am -
1 stop8h 00m
Deal found 8/18![Delta logo]()
$842
This United Airlines deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” 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 8/271:20 pm -
2 stops30h 03m
Mon 8/316:03 am -
2 stops32h 07m
Deal found 8/18![United Airlines logo]()
$957
This United Airlines deal was found by Cheapflights users on 8/20. 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 8/271:20 pm -
2 stops26h 22m
Wed 9/26:03 am -
2 stops56h 07m
Deal found 8/20![United Airlines logo]()
$1,053
This American Airlines deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” 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 8/2612:35 pm -
2 stops21h 11m
Tue 9/18:00 am -
2 stops29h 29m
Deal found 8/18![American Airlines logo]()
$1,121
This Ovago deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/231:20 pm -
1 stop32h 08m
Thu 10/15:08 pm -
2 stops21h 02m
Deal found 8/18![Multiple Airlines logo]()
$1,154
This American Airlines deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” 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 8/2612:35 pm -
2 stops21h 11m
Mon 8/315:13 pm -
2 stops20h 08m
Deal found 8/18![American Airlines logo]()
$1,252
This Delta deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” 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 8/271:25 pm -
2 stops20h 37m
Tue 9/16:05 am -
1 stop7h 55m
Deal found 8/18![Delta logo]()
$1,394
This Delta deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” 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 8/271:25 pm -
2 stops20h 37m
Mon 8/316:05 am -
1 stop7h 55m
Deal found 8/18![Delta logo]()
$1,545
Best flights from Costa Rica to PortlandDiscover carefully curated flight deals from Costa Rica to Portland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 21, 2026.
Discover carefully curated flight deals from Costa Rica to Portland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 21, 2026.
This United Airlines deal was found by Cheapflights users on 8/20. 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 10/281:20 pm -
2 stops30h 31m
Sat 10/315:08 pm -
2 stops22h 02m
Deal found 8/20![United Airlines logo]()
$408
This Delta deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” 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 9/231:25 pm -
1 stop8h 03m
Thu 10/16:00 am -
1 stop8h 00m
Deal found 8/18![Delta logo]()
$842
This United Airlines deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” 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 9/231:20 pm -
2 stops51h 23m
Thu 10/17:58 am -
2 stops30h 12m
Deal found 8/18![United Airlines logo]()
$546
This Ovago deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/231:20 pm -
1 stop32h 08m
Thu 10/15:08 pm -
2 stops21h 02m
Deal found 8/18![Multiple Airlines logo]()
$1,154
Last-minute flights from Costa Rica to PortlandDiscover last-minute flight deals from Costa Rica to Portland. Data last updated August 21, 2026 and is based on user searches.
Discover last-minute flight deals from Costa Rica to Portland. Data last updated August 21, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” 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 8/2612:35 pm -
2 stops21h 11m
Tue 9/18:00 am -
2 stops29h 29m
Deal found 8/18![American Airlines logo]()
$1,121
This American Airlines deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” 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 8/2612:35 pm -
2 stops21h 11m
Mon 8/315:13 pm -
2 stops20h 08m
Deal found 8/18![American Airlines logo]()
$1,252
This United Airlines deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” 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 8/271:20 pm -
2 stops30h 03m
Tue 9/13:45 pm -
2 stops22h 25m
Deal found 8/18![United Airlines logo]()
$826
This United Airlines deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” 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 8/271:20 pm -
2 stops30h 03m
Mon 8/316:03 am -
2 stops32h 07m
Deal found 8/18![United Airlines logo]()
$957
This United Airlines deal was found by Cheapflights users on 8/20. 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 8/271:20 pm -
2 stops26h 22m
Wed 9/26:03 am -
2 stops56h 07m
Deal found 8/20![United Airlines logo]()
$1,053
This Delta deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” 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 8/271:25 pm -
2 stops20h 37m
Tue 9/16:05 am -
1 stop7h 55m
Deal found 8/18![Delta logo]()
$1,394
This Delta deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” 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 8/271:25 pm -
2 stops20h 37m
Mon 8/316:05 am -
1 stop7h 55m
Deal found 8/18![Delta logo]()
$1,545
This American Airlines deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” 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 8/272:15 pm -
1 stop26h 37m
Tue 9/18:08 am -
2 stops29h 21m
Deal found 8/18![American Airlines logo]()
$1,577
This Delta deal was found by Cheapflights users on 8/20. 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.
Thu 8/271:25 pm -
2 stops20h 37m
Wed 9/26:05 am -
1 stop7h 55m
Deal found 8/20![Delta logo]()
$1,650
This United Airlines deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” 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 9/231:20 pm -
2 stops51h 23m
Thu 10/17:58 am -
2 stops30h 12m
Deal found 8/18![United Airlines logo]()
$546
This Delta deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” 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 9/231:25 pm -
1 stop8h 03m
Thu 10/16:00 am -
1 stop8h 00m
Deal found 8/18![Delta logo]()
$842
This Ovago deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/231:20 pm -
1 stop32h 08m
Thu 10/15:08 pm -
2 stops21h 02m
Deal found 8/18![Multiple Airlines logo]()
$1,154
One-way flights from Costa Rica to PortlandSearch for one-way flight options from Costa Rica to Portland. Find affordable one-way fares based on user searches. Data last updated August 21, 2026.
Search for one-way flight options from Costa Rica to Portland. Find affordable one-way fares based on user searches. Data last updated August 21, 2026.
This United Airlines deal was found by Cheapflights users on 8/21. 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 10/244:30 pm -
1 stop14h 30m
Deal found 8/21![United Airlines logo]()
$216
This United Airlines deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” 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 11/225:20 pm -
2 stops27h 31m
Deal found 8/17![United Airlines logo]()
$275
This Southwest deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” 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.
Sat 11/211:15 pm -
2 stops20h 15m
Deal found 8/17![Southwest logo]()
$311
This United Airlines deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” 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 11/215:20 pm -
1 stop29h 01m
Deal found 8/17![United Airlines logo]()
$357
This Kiwi.com deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” 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.
Tue 11/33:10 pm -
2 stops41h 11m
Deal found 8/18![Multiple Airlines logo]()
$454
This Kiwi.com deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” 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.
Sat 10/241:30 pm -
3 stops49h 25m
Deal found 8/18![Multiple Airlines logo]()
$501
Find flight deals from Costa Rica to Portland
Keep the following information in mind while searching for Costa Rica to Portland flight deals. Data was last updated August 21, 2026.
Round-trip from | $408 (United Airlines) |
|---|---|
One-way from | $222 (United Airlines) |
Cheapflights Fare Finder
Customize your flight search to find flights from Costa Rica to Portland 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 August 21, 2026.
Use the filters below to find and compare flights from Costa Rica to Portland that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
LiberiaPortland
LIR Liberia - PWM Portland
LIRPWM
Liberia
Wed 10/28
1:20 pm-9:51 pm
2 stops30h 31m
Portland
Sat 10/31
5:08 pm-1:10 pm
2 stops22h 02m
$408
LiberiaPortland
LIR Liberia - PWM Portland
LIRPWM
Liberia
Wed 9/23
1:20 pm-6:43 pm
2 stops51h 23m
Portland
Thu 10/1
7:58 am-12:10 pm
2 stops30h 12m
$546
Quickest round-trip
LiberiaPortland
LIR Liberia - PWM Portland
LIRPWM
Liberia
Wed 9/23
1:25 pm-11:28 pm
1 stop8h 03m
Portland
Thu 10/1
6:00 am-12:00 pm
1 stop8h 00m
$842
LiberiaPortland
LIR Liberia - PWM Portland
LIRPWM
Liberia
Wed 9/23
1:20 pm-11:28 pm
1 stop32h 08m
Portland
Thu 10/1
5:08 pm-12:10 pm
2 stops21h 02m
$1,154
Cheapest one-way
Quickest one-way
LiberiaPortland
LIR Liberia - PWM Portland
LIRPWM
Liberia
Sat 10/24
4:30 pm-9:00 am
1 stop14h 30m
$216
LiberiaPortland
LIR Liberia - PWM Portland
LIRPWM
Liberia
Sun 11/22
5:20 pm-9:00 am
1 stop14h 40m
$222
Sorted by cheapest first
Best time to book a flight from Costa Rica to Portland
Have a flexible travel schedule? Discover the best time to fly to Portland from Costa Rica with our price prediction graph.
LIR-PWM
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 Costa Rica to Portland
CR0-PWM
LIR-PWM
No data available for this route at this time. Please check back soon.
Related info for your journey
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Traveling to a place near Portland?
Book flights to Portland if you plan to visit one of these locationsNorth Conway
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