Cheap flights from Oregon to Costa Rica from $159

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 6/7. 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.
United Airlines Logo
6:51 pm - 10:11 am
EUG
-
SJO
14h 20m
2 stops
United Airlines Logo
8:45 am - 10:59 pm
SJO
-
EUG
15h 14m
1 stop
$374United Airlines
Tue, Apr 28 - Mon, May 11
United Airlines Logo
6:55 pm - 7:15 am
RDM
-
SJO
11h 20m
1 stop
United Airlines Logo
8:45 am - 10:59 pm
SJO
-
RDM
15h 14m
1 stop
$374United Airlines
Thu, May 7 - Thu, May 14
United Airlines Logo
6:48 pm - 10:11 am
RDM
-
SJO
14h 23m
2 stops
United Airlines Logo
8:45 am - 10:59 pm
SJO
-
RDM
15h 14m
1 stop
$375United Airlines
Wed, Apr 22 - Wed, Apr 29
Alaska Airlines Logo
7:03 am - 11:45 pm
EUG
-
SJO
15h 42m
1 stop
Alaska Airlines Logo
12:53 am - 3:23 pm
SJO
-
EUG
39h 30m
2 stops
$378Alaska Airlines
Tue, Apr 28 - Wed, May 13
Alaska Airlines Logo
6:00 am - 11:45 pm
RDM
-
SJO
40h 45m
2 stops
Alaska Airlines Logo
12:55 am - 11:58 pm
SJO
-
RDM
24h 03m
2 stops
$378Alaska Airlines
Mon, Apr 27 - Wed, May 6
American Airlines Logo
10:28 pm - 11:07 am
PDX
-
SJO
11h 39m
1 stop
American Airlines Logo
2:08 pm - 11:01 am
SJO
-
PDX
21h 53m
1 stop
$388American Airlines
Mon, Apr 20 - Tue, Apr 28
Multiple Airlines Logo
7:14 pm - 8:45 am
BOI
-
SJO
13h 31m
2 stops
Multiple Airlines Logo
5:45 am - 11:01 pm
SJO
-
BOI
17h 16m
2 stops
$396Multiple Airlines
Tue, May 5 - Tue, May 12
Multiple Airlines Logo
10:30 am - 11:15 pm
PDX
-
SJO
11h 45m
2 stops
Multiple Airlines Logo
5:45 am - 8:35 pm
SJO
-
PDX
15h 50m
2 stops
$397Multiple Airlines
Mon, May 18 - Thu, May 28
American Airlines Logo
2:49 pm - 11:25 am
EUG
-
SJO
19h 36m
2 stops
American Airlines Logo
2:31 pm - 1:26 pm
SJO
-
EUG
23h 55m
2 stops
$405American Airlines
Sun, May 3 - Mon, May 11
Avianca Logo
6:31 pm - 12:21 pm
MFR
-
SJO
16h 50m
2 stops
Avianca Logo
8:45 am - 11:47 am
SJO
-
MFR
28h 02m
1 stop
$518Avianca
Tue, Apr 28 - Tue, May 5

American Airlines flights from Oregon to Costa Rica

Our best American Airlines deals on Oregon to Costa Rica flight tickets
American Airlines
Apr 20
EUG2:49 pmEugene
19h 46m
2 stops
SJO11:35 amSan José Juan Santamaria Intl
May 5
SJO2:08 pmSan José Juan Santamaria Intl
24h 18m
2 stops
EUG1:26 pmEugene
$379
American Airlines
Apr 20
PDX10:28 pmPortland
11h 39m
1 stop
SJO11:07 amSan José Juan Santamaria Intl
Apr 28
SJO2:08 pmSan José Juan Santamaria Intl
21h 53m
1 stop
PDX11:01 amPortland
$388
American Airlines
May 3
EUG2:49 pmEugene
19h 36m
2 stops
SJO11:25 amSan José Juan Santamaria Intl
May 11
SJO2:31 pmSan José Juan Santamaria Intl
23h 55m
2 stops
EUG1:26 pmEugene
$405

Alaska Airlines flights from Oregon to Costa Rica

Our best Alaska Airlines deals on Oregon to Costa Rica flight tickets
Alaska Airlines
Apr 21
EUG8:01 amEugene
14h 52m
2 stops
SJO11:53 pmSan José Juan Santamaria Intl
May 6
SJO12:55 amSan José Juan Santamaria Intl
24h 04m
2 stops
EUG11:59 pmEugene
$365
Alaska Airlines
Apr 21
EUG11:41 amEugene
11h 12m
1 stop
SJO11:53 pmSan José Juan Santamaria Intl
May 6
SJO12:55 amSan José Juan Santamaria Intl
22h 08m
1 stop
EUG10:03 pmEugene
$367
Alaska Airlines
Apr 20
EUG7:17 pmEugene
27h 36m
2 stops
SJO11:53 pmSan José Juan Santamaria Intl
May 6
SJO12:55 amSan José Juan Santamaria Intl
24h 04m
2 stops
EUG11:59 pmEugene
$378

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 March 23, 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

Cheapest round-trip

EugeneSan José

EUG - SJO

EUGSJO

Eugene

Tue 4/28

6:51 pm-10:11 am

2 stops14h 20m

San José Juan Santamaria Intl

Mon 5/11

8:45 am-10:59 pm

1 stop15h 14m

$374
Quickest round-trip

RedmondSan José

RDM - SJO

RDMSJO

Bend/Redmond

Thu 5/7

6:55 pm-7:15 am

1 stop11h 20m

San José Juan Santamaria Intl

Thu 5/14

8:45 am-10:59 pm

1 stop15h 14m

$374

RedmondSan José

RDM - SJO

RDMSJO

Bend/Redmond

Wed 4/22

6:48 pm-10:11 am

2 stops14h 23m

San José Juan Santamaria Intl

Wed 4/29

8:45 am-10:59 pm

1 stop15h 14m

$375

EugeneSan José

EUG - SJO

EUGSJO

Eugene

Tue 4/28

7:03 am-11:45 pm

1 stop15h 42m

San José Juan Santamaria Intl

Wed 5/13

12:53 am-3:23 pm

2 stops39h 30m

$378

RedmondSan José

RDM - SJO

RDMSJO

Bend/Redmond

Mon 4/27

6:00 am-11:45 pm

2 stops40h 45m

San José Juan Santamaria Intl

Wed 5/6

12:55 am-11:58 pm

2 stops24h 03m

$378

PortlandSan José

PDX - SJO

PDXSJO

Portland

Mon 4/20

10:28 pm-11:07 am

1 stop11h 39m

San José Juan Santamaria Intl

Tue 4/28

2:08 pm-11:01 am

1 stop21h 53m

$388

BoiseSan José

BOI - SJO

BOISJO

Boise Air Term. Gowen Fld

Tue 5/5

7:14 pm-8:45 am

2 stops13h 31m

San José Juan Santamaria Intl

Tue 5/12

5:45 am-11:01 pm

2 stops17h 16m

$396

PortlandSan José

PDX - SJO

PDXSJO

Portland

Mon 5/18

10:30 am-11:15 pm

2 stops11h 45m

San José Juan Santamaria Intl

Thu 5/28

5:45 am-8:35 pm

2 stops15h 50m

$397

EugeneSan José

EUG - SJO

EUGSJO

Eugene

Sun 5/3

2:49 pm-11:25 am

2 stops19h 36m

San José Juan Santamaria Intl

Mon 5/11

2:31 pm-1:26 pm

2 stops23h 55m

$405

MedfordSan José

MFR - SJO

MFRSJO

Medford

Tue 4/28

6:31 pm-12:21 pm

2 stops16h 50m

San José Juan Santamaria Intl

Tue 5/5

8:45 am-11:47 am

1 stop28h 02m

$518

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 $355, 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 $504 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 $424 on momondo.

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 51m

Direct flights

None
The fastest flight from Oregon to Costa Rica takes 8h 51m
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
American AirlinesPriceFrom $275Free CancellationRating
7.1
11,491 reviews
Search American Airlines flights
United AirlinesPriceFrom $275Free CancellationRating
7.4
9,469 reviews
Search United Airlines flights
DeltaPriceFrom $287Free CancellationRating
7.9
8,320 reviews
Search Delta flights
Alaska AirlinesPriceFrom $295Free CancellationRating
7.9
12,101 reviews
Search Alaska Airlines flights
SouthwestPriceFrom $537Free CancellationRating
8.0
4,331 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.

An easier way to manage your Costa Rica trip

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1 adult
Wed 4/22
Wed 4/29

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