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Find cheap flights from Oregon to Costa Rica from $121

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Oregon to Costa Rica departing on 6/1. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
0 bags
Mon 6/3
Mon 6/10

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Good to know

Low season

October

High season

December

Cheapest flight

$121
Best time to beat the crowds with an average 27% drop in price.
Most popular time to fly with an average 31% increase in price.
Flight from Portland to San José

FAQs for booking flights from Oregon to Costa Rica

  • How does KAYAK find such low prices on flights from Oregon to Costa Rica?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Oregon to Costa Rica.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Oregon to Costa Rica?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Costa Rica from Oregon is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Oregon to Costa Rica?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Costa Rica with an airline and back to Oregon with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Oregon to Costa Rica?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Costa Rica from Oregon up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Book cheap flights from Oregon to Costa Rica

Recent round-trip flight deals

5/28Tue
3 stopsSpirit Airlines
26h 26mPDX-SJO
6/4Tue
2 stopsSpirit Airlines
25h 37mSJO-PDX
$294
5/25Sat
2 stopsSpirit Airlines
26h 26mPDX-SJO
5/29Wed
2 stopsSpirit Airlines
13h 19mSJO-PDX
$295
5/20Mon
1 stop
17h 15mPDX-SJO
5/29Wed
2 stops
13h 19mSJO-PDX
$324
5/20Mon
1 stop
17h 15mPDX-SJO
5/27Mon
2 stops
26h 29mSJO-PDX
$340
8/13Tue
2 stopsAmerican Airlines
21h 59mRDM-LIR
8/20Tue
2 stopsAmerican Airlines
22h 14mLIR-RDM
$407
8/20Tue
1 stopAmerican Airlines
8h 44mRDM-SJO
8/27Tue
2 stopsAmerican Airlines
22h 14mSJO-RDM
$410
10/29Tue
1 stopDelta
19h 30mPDX-SJO
10/31Thu
2 stopsDelta
24h 14mSJO-PDX
$427
10/29Tue
2 stopsDelta
17h 53mPDX-SJO
10/31Thu
2 stopsDelta
24h 14mSJO-PDX
$453
8/26Mon
3 stopsUnited Airlines
19h 25mPDX-SJO
9/10Tue
2 stopsUnited Airlines
26h 29mSJO-PDX
$515
8/7Wed
2 stopsUnited Airlines
21h 11mRDM-LIR
8/12Mon
1 stopUnited Airlines
16h 24mLIR-RDM
$527

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Recent one-way flight deals

6/1Sat
2 stopsSpirit Airlines
26h 26mPDX-SJO
$121
5/20Mon
2 stopsSpirit Airlines
12h 17mPDX-SJO
$134
5/13Mon
1 stop
17h 15mPDX-SJO
$144
5/20Mon
1 stop
17h 15mPDX-SJO
$145
6/1Sat
1 stopUnited Airlines
18h 47mPDX-SJO
$219
5/10Fri
2 stopsDelta
17h 56mPDX-LIR
$221
8/5Mon
1 stopAmerican Airlines
11h 26mPDX-SJO
$224
5/20Mon
2 stopsAmerican Airlines
23h 05mRDM-LIR
$226
6/20Thu
1 stopUnited Airlines
18h 47mPDX-SJO
$248
7/18Thu
2 stopsDelta
19h 32mPDX-LIR
$261

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Last minute flights from Oregon to Costa Rica

Last minute flight, train and bus deals

5/7Tue
multi-stopSpirit Airlines
15h 49mPDX-SJO
5/14Tue
multi-stopSpirit Airlines
26h 29mSJO-PDX
$486
5/6Mon
multi-stopSpirit Airlines
26h 04mPDX-SJO
5/16Thu
multi-stopSpirit Airlines
22h 23mSJO-PDX
$591
5/6Mon
multi-stopSpirit Airlines
19h 27mPDX-SJO
5/15Wed
multi-stopSpirit Airlines
22h 31mSJO-PDX
$612
5/5Sun
multi-stopSpirit Airlines
43h 27mPDX-SJO
5/10Fri
multi-stopSpirit Airlines
22h 31mSJO-PDX
$622
5/5Sun
multi-stopAmerican Airlines
14h 25mPDX-SJO
5/11Sat
multi-stopAmerican Airlines
18h 39mSJO-PDX
$674
5/6Mon
multi-stopAmerican Airlines
14h 35mPDX-SJO
5/16Thu
multi-stopAmerican Airlines
15h 29mSJO-PDX
$677
5/5Sun
multi-stopAmerican Airlines
12h 31mPDX-SJO
5/11Sat
multi-stopAmerican Airlines
17h 52mSJO-PDX
$678
5/6Mon
multi-stopAlaska Airlines
12h 56mPDX-SJO
5/15Wed
multi-stopAlaska Airlines
19h 14mSJO-PDX
$720
5/5Sun
multi-stopAlaska Airlines
21h 41mPDX-SJO
5/10Fri
multi-stopAlaska Airlines
11h 00mSJO-PDX
$730
5/6Mon
multi-stopAlaska Airlines
23h 03mPDX-SJO
5/15Wed
multi-stopAlaska Airlines
19h 14mSJO-PDX
$768

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Flights to Costa Rica

Return flight deals:

Costa Rica - Oregon

Cabin classes: