Cheap flights from Oregon to Costa Rica from $133

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Oregon to Costa Rica departing on 2/17. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
11:35 pm - 8:12 pm
PDX
-
SJO
18h 37m
1 stop
American Airlines Logo
7:00 am - 12:17 am
SJO
-
PDX
19h 17m
1 stop
$297American Airlines
Fri, Feb 20 - Thu, Feb 26
American Airlines Logo
11:35 pm - 8:12 pm
PDX
-
SJO
18h 37m
1 stop
American Airlines Logo
7:00 am - 9:52 pm
SJO
-
PDX
16h 52m
2 stops
$302American Airlines
Tue, Feb 24 - Wed, Mar 4
United Airlines Logo
11:59 pm - 12:56 pm
PDX
-
SJO
10h 57m
1 stop
United Airlines Logo
8:40 am - 11:04 pm
SJO
-
PDX
15h 24m
1 stop
$308United Airlines
Sun, Mar 1 - Thu, Mar 12
American Airlines Logo
10:28 pm - 1:08 pm
PDX
-
SJO
13h 40m
1 stop
American Airlines Logo
6:30 am - 11:53 pm
SJO
-
PDX
18h 23m
2 stops
$313American Airlines
Mon, Apr 13 - Tue, Apr 21
American Airlines Logo
10:28 pm - 11:07 am
PDX
-
SJO
11h 39m
1 stop
American Airlines Logo
11:35 pm - 10:49 pm
SJO
-
PDX
24h 14m
1 stop
$316American Airlines
Mon, Apr 27 - Thu, May 7
Multiple Airlines Logo
7:00 am - 3:30 pm
PDX
-
SJO
30h 30m
1 stop
Multiple Airlines Logo
7:45 am - 8:44 pm
SJO
-
PDX
14h 59m
1 stop
$322Multiple Airlines
Thu, Feb 19 - Thu, Feb 26
Multiple Airlines Logo
7:16 am - 11:15 pm
PDX
-
SJO
13h 59m
2 stops
Multiple Airlines Logo
7:45 am - 8:44 pm
SJO
-
PDX
13h 59m
1 stop
$327Multiple Airlines
Tue, Mar 3 - Tue, Mar 10
United Airlines Logo
1:58 pm - 7:15 am
EUG
-
SJO
16h 17m
1 stop
United Airlines Logo
8:45 am - 10:59 pm
SJO
-
EUG
15h 14m
1 stop
$330United Airlines
Fri, May 8 - Fri, May 15
Alaska Airlines Logo
2:30 pm - 6:45 am
PDX
-
LIR
14h 15m
1 stop
Alaska Airlines Logo
7:08 pm - 9:35 am
LIR
-
PDX
16h 27m
1 stop
$366Alaska Airlines
Mon, Mar 2 - Thu, Mar 5
Alaska Airlines Logo
10:30 am - 6:36 am
PDX
-
LIR
19h 06m
1 stop
Alaska Airlines Logo
11:45 am - 1:25 pm
LIR
-
PDX
26h 40m
1 stop
$374Alaska Airlines
Mon, Mar 9 - Wed, Mar 11

United Airlines flights from Oregon to Costa Rica

Our best United Airlines deals on Oregon to Costa Rica flight tickets
United Airlines
Mar 1
PDX11:59 pmPortland
10h 57m
1 stop
SJO12:56 pmSan José Juan Santamaria Intl
Mar 12
SJO8:40 amSan José Juan Santamaria Intl
15h 24m
1 stop
PDX11:04 pmPortland
$308
United Airlines
May 8
EUG1:58 pmEugene
16h 17m
1 stop
SJO7:15 amSan José Juan Santamaria Intl
May 15
SJO8:45 amSan José Juan Santamaria Intl
15h 14m
1 stop
EUG10:59 pmEugene
$330
United Airlines
Feb 17
EUG2:08 pmEugene
16h 24m
1 stop
SJO8:32 amSan José Juan Santamaria Intl
Mar 17
SJO5:30 amSan José Juan Santamaria Intl
18h 38m
2 stops
EUG11:08 pmEugene
$335

American Airlines flights from Oregon to Costa Rica

Our best American Airlines deals on Oregon to Costa Rica flight tickets
American Airlines
Feb 20
PDX11:35 pmPortland
18h 37m
1 stop
SJO8:12 pmSan José Juan Santamaria Intl
Feb 26
SJO7:00 amSan José Juan Santamaria Intl
19h 17m
1 stop
PDX12:17 amPortland
$297
American Airlines
Feb 24
PDX11:35 pmPortland
18h 37m
1 stop
SJO8:12 pmSan José Juan Santamaria Intl
Mar 4
SJO7:00 amSan José Juan Santamaria Intl
16h 52m
2 stops
PDX9:52 pmPortland
$302
American Airlines
Apr 13
PDX10:28 pmPortland
13h 40m
1 stop
SJO1:08 pmSan José Juan Santamaria Intl
Apr 21
SJO6:30 amSan José Juan Santamaria Intl
18h 23m
2 stops
PDX11:53 pmPortland
$313

momondo 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, momondo users made 832,500 searches. Data last updated February 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

Price

PortlandSan José

PDX - SJO

PDXSJO

Portland

Fri 2/20

11:35 pm-8:12 pm

1 stop18h 37m

San José Juan Santamaria Intl

Thu 2/26

7:00 am-12:17 am

1 stop19h 17m

$297

PortlandSan José

PDX - SJO

PDXSJO

Portland

Tue 2/24

11:35 pm-8:12 pm

1 stop18h 37m

San José Juan Santamaria Intl

Wed 3/4

7:00 am-9:52 pm

2 stops16h 52m

$302

PortlandSan José

PDX - SJO

PDXSJO

Portland

Sun 3/1

11:59 pm-12:56 pm

1 stop10h 57m

San José Juan Santamaria Intl

Thu 3/12

8:40 am-11:04 pm

1 stop15h 24m

$308

PortlandSan José

PDX - SJO

PDXSJO

Portland

Mon 4/13

10:28 pm-1:08 pm

1 stop13h 40m

San José Juan Santamaria Intl

Tue 4/21

6:30 am-11:53 pm

2 stops18h 23m

$313

PortlandSan José

PDX - SJO

PDXSJO

Portland

Mon 4/27

10:28 pm-11:07 am

1 stop11h 39m

San José Juan Santamaria Intl

Thu 5/7

11:35 pm-10:49 pm

1 stop24h 14m

$316

PortlandSan José

PDX - SJO

PDXSJO

Portland

Thu 2/19

7:00 am-3:30 pm

1 stop30h 30m

San José Juan Santamaria Intl

Thu 2/26

7:45 am-8:44 pm

1 stop14h 59m

$322

PortlandSan José

PDX - SJO

PDXSJO

Portland

Tue 3/3

7:16 am-11:15 pm

2 stops13h 59m

San José Juan Santamaria Intl

Tue 3/10

7:45 am-8:44 pm

1 stop13h 59m

$327

EugeneSan José

EUG - SJO

EUGSJO

Eugene

Fri 5/8

1:58 pm-7:15 am

1 stop16h 17m

San José Juan Santamaria Intl

Fri 5/15

8:45 am-10:59 pm

1 stop15h 14m

$330

PortlandLiberia

PDX - LIR

PDXLIR

Portland

Mon 3/2

2:30 pm-6:45 am

1 stop14h 15m

Liberia

Thu 3/5

7:08 pm-9:35 am

1 stop16h 27m

$366

PortlandLiberia

PDX - LIR

PDXLIR

Portland

Mon 3/9

10:30 am-6:36 am

1 stop19h 06m

Liberia

Wed 3/11

11:45 am-1:25 pm

1 stop26h 40m

$374

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Costa Rica from

How to get the cheapest flight ticket from Oregon to Costa Rica

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Costa Rica?

The cheapest month to fly to Costa Rica from Oregon is in September. Flight prices, which tend to average around $357, are often lower during this time because this is during the off-season. If you’re not able to fly to Costa Rica in September, then October is your next best option. Flight prices from Oregon to Costa Rica during October average around $385.

How far in advance should I book a flight to Costa Rica?

You are more likely to see cheaper flights to Costa Rica from Oregon when booking weeks ahead of your departure date. In general, you can expect to find flights to Costa Rica for around $514 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Costa Rica from Oregon for as low as $422 on momondo.

Can stopping save me money on Oregon to Costa Rica flights?

You could potentially save up to 17% on your flight if you consider stops on a Oregon to Costa Rica flight.

Cheap Oregon to Costa Rica flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Oregon to Costa Rica

Fastest flight time

8h 43m

Direct flights

None
The fastest flight from Oregon to Costa Rica takes 8h 43m
There are no direct flights from Oregon to Costa Rica. There are no popular flight routes from Oregon to Costa Rica.
  • When did momondo last update prices for flights from Oregon to Costa Rica?

    Prices for flights from Oregon to Costa Rica were last updated today.

  • How many operators does momondo search for flights from Oregon to Costa Rica?

  • How old do you have to be to fly from Oregon to Costa Rica?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Oregon to Costa Rica.

  • What documentation or ID do you need to fly to Costa Rica?

    The required travel and health documents for your Costa Rica trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Costa Rica. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Oregon to Costa Rica

Compare and see reviews for airlines that fly from Oregon to Costa Rica with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $275Free CancellationRating
7.4
9,253 reviews
Search United Airlines flights
American AirlinesPriceFrom $275Free CancellationRating
7.2
11,249 reviews
Search American Airlines flights
Alaska AirlinesPriceFrom $301Free CancellationRating
8.0
11,851 reviews
Search Alaska Airlines flights
DeltaPriceFrom $315Free CancellationRating
7.9
8,172 reviews
Search Delta flights
SouthwestPriceFrom $537Free CancellationRating
8.0
4,280 reviews
Search Southwest flights

Why use momondo?

Why should I use momondo to find a flight deal from Oregon to Costa Rica?

It is quick and easy to find Oregon to Costa Rica flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Costa Rica that suits you.

Can I find flights from Oregon to Costa Rica with flexible booking policies on momondo?

Yes. All flights to Costa Rica from Oregon on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Oregon to Costa Rica?

momondo helps you find the best flight between Oregon and Costa Rica by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Oregon to Costa Rica right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Costa Rica, momondo offers a useful price alert feature which will track prices for flights to Costa Rica from Oregon and alert you when they change.

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