Cheap flights from Oregon to Costa Rica from $122

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 1/24. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
3:50 pm - 8:32 amPDX-SJO
14h 42m1 stop
United Airlines Logo
9:40 am - 6:48 pmSJO-PDX
11h 08m1 stop
$276United Airlines
Find Deal
Mon, Jan 19 - Fri, Jan 30
American Airlines Logo
10:15 pm - 1:54 pmPDX-SJO
13h 39m2 stops
American Airlines Logo
6:00 am - 11:46 pmSJO-PDX
19h 46m1 stop
$280American Airlines
Find Deal
Mon, Jan 19 - Fri, Jan 30
American Airlines Logo
5:54 am - 9:55 pmPDX-SJO
15h 01m1 stop
American Airlines Logo
11:59 pm - 8:54 pmSJO-PDX
21h 55m1 stop
$283American Airlines
Find Deal
Wed, Apr 22 - Fri, May 1
Multiple Airlines Logo
7:18 am - 3:30 pmPDX-SJO
30h 12m1 stop
Multiple Airlines Logo
7:45 am - 8:50 pmSJO-PDX
15h 05m1 stop
$304Multiple Airlines
Find Deal
Tue, Dec 2 - Wed, Dec 10
Multiple Airlines Logo
7:18 am - 3:30 pmPDX-SJO
30h 12m1 stop
Multiple Airlines Logo
7:45 am - 8:50 pmSJO-PDX
15h 05m1 stop
$305Multiple Airlines
Find Deal
Thu, Dec 4 - Thu, Dec 11
Delta Logo
7:40 pm - 12:04 pmPDX-SJO
15h 24m2 stops
Delta Logo
1:25 pm - 9:25 amSJO-PDX
21h 00m2 stops
$308Delta
Find Deal
Mon, Apr 27 - Tue, May 5
Delta Logo
6:25 am - 10:15 pmPDX-SJO
13h 50m2 stops
Delta Logo
2:31 pm - 9:29 amSJO-PDX
20h 58m2 stops
$320Delta
Find Deal
Fri, Jan 23 - Wed, Jan 28
Alaska Airlines Logo
5:30 pm - 6:45 amPDX-LIR
11h 15m1 stop
Alaska Airlines Logo
10:00 am - 8:35 pmLIR-PDX
11h 35m1 stop
$343Alaska Airlines
Find Deal
Mon, Mar 2 - Tue, Mar 10
Alaska Airlines Logo
10:35 am - 6:45 amPDX-LIR
18h 10m1 stop
Alaska Airlines Logo
10:00 am - 11:59 pmLIR-PDX
14h 59m1 stop
$345Alaska Airlines
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Sun, Mar 1 - Tue, Mar 10
Southwest Logo
6:05 am - 7:40 pmEUG-SJO
12h 35m2 stops
Southwest Logo
12:25 pm - 9:40 pmSJO-EUG
10h 15m1 stop
$513Southwest
Find Deal
Wed, Apr 1 - Sat, Apr 18

Delta flights from Oregon to Costa Rica

Our best Delta deals on Oregon to Costa Rica flight tickets
Delta
Apr 27
PDX7:40 pmPortland
15h 24m
2 stops
SJO12:04 pmSan José Juan Santamaria Intl
May 5
SJO1:25 pmSan José Juan Santamaria Intl
21h 00m
2 stops
PDX9:25 amPortland
Delta
Jan 23
PDX6:25 amPortland
13h 50m
2 stops
SJO10:15 pmSan José Juan Santamaria Intl
Jan 28
SJO2:31 pmSan José Juan Santamaria Intl
20h 58m
2 stops
PDX9:29 amPortland
Delta
Nov 9
BOI3:54 pmBoise Air Term. Gowen Fld
20h 11m
2 stops
SJO1:05 pmSan José Juan Santamaria Intl
Nov 15
SJO8:26 amSan José Juan Santamaria Intl
16h 41m
2 stops
BOI12:07 amBoise Air Term. Gowen Fld

United Airlines flights from Oregon to Costa Rica

Our best United Airlines deals on Oregon to Costa Rica flight tickets
United Airlines
Jan 19
PDX3:50 pmPortland
14h 42m
1 stop
SJO8:32 amSan José Juan Santamaria Intl
Jan 30
SJO9:40 amSan José Juan Santamaria Intl
11h 08m
1 stop
PDX6:48 pmPortland
United Airlines
Nov 12
PDX7:10 pmPortland
16h 05m
2 stops
SJO1:15 pmSan José Juan Santamaria Intl
Nov 20
SJO2:20 pmSan José Juan Santamaria Intl
10h 25m
1 stop
PDX10:45 pmPortland
United Airlines
Jan 22
RDM2:04 pmBend/Redmond
21h 11m
2 stops
SJO1:15 pmSan José Juan Santamaria Intl
Feb 2
SJO9:40 amSan José Juan Santamaria Intl
10h 32m
1 stop
RDM6:12 pmBend/Redmond

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 November 6, 2025.
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

Mon 1/19

3:50 pm-8:32 am

1 stop14h 42m

San José Juan Santamaria Intl

Fri 1/30

9:40 am-6:48 pm

1 stop11h 08m

$276

PortlandSan José

PDX - SJO

PDXSJO

Portland

Mon 1/19

10:15 pm-1:54 pm

2 stops13h 39m

San José Juan Santamaria Intl

Fri 1/30

6:00 am-11:46 pm

1 stop19h 46m

$280

PortlandSan José

PDX - SJO

PDXSJO

Portland

Wed 4/22

5:54 am-9:55 pm

1 stop15h 01m

San José Juan Santamaria Intl

Fri 5/1

11:59 pm-8:54 pm

1 stop21h 55m

$283

PortlandSan José

PDX - SJO

PDXSJO

Portland

Tue 12/2

7:18 am-3:30 pm

1 stop30h 12m

San José Juan Santamaria Intl

Wed 12/10

7:45 am-8:50 pm

1 stop15h 05m

$304

PortlandSan José

PDX - SJO

PDXSJO

Portland

Thu 12/4

7:18 am-3:30 pm

1 stop30h 12m

San José Juan Santamaria Intl

Thu 12/11

7:45 am-8:50 pm

1 stop15h 05m

$305

PortlandSan José

PDX - SJO

PDXSJO

Portland

Mon 4/27

7:40 pm-12:04 pm

2 stops15h 24m

San José Juan Santamaria Intl

Tue 5/5

1:25 pm-9:25 am

2 stops21h 00m

$308

PortlandSan José

PDX - SJO

PDXSJO

Portland

Fri 1/23

6:25 am-10:15 pm

2 stops13h 50m

San José Juan Santamaria Intl

Wed 1/28

2:31 pm-9:29 am

2 stops20h 58m

$320

PortlandLiberia

PDX - LIR

PDXLIR

Portland

Mon 3/2

5:30 pm-6:45 am

1 stop11h 15m

Liberia

Tue 3/10

10:00 am-8:35 pm

1 stop11h 35m

$343

PortlandLiberia

PDX - LIR

PDXLIR

Portland

Sun 3/1

10:35 am-6:45 am

1 stop18h 10m

Liberia

Tue 3/10

10:00 am-11:59 pm

1 stop14h 59m

$345

EugeneSan José

EUG - SJO

EUGSJO

Eugene

Wed 4/1

6:05 am-7:40 pm

2 stops12h 35m

San José Juan Santamaria Intl

Sat 4/18

12:25 pm-9:40 pm

1 stop10h 15m

$513

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 $361, 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 $426.

What is the cheapest day to depart on your flight to Costa Rica?

According to our data, Tuesday is the cheapest day to fly to Costa Rica from Oregon. The lowest ticket price found for a Tuesday departure recently was $568. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around $746. These prices are subject to change though, so be sure to set up a Price Alert for flights to Costa Rica.

What is the cheapest time of day to depart on your flight to Costa Rica?

In the afternoon is the cheapest time of day to fly from Oregon to Costa Rica when you can find flight prices for as low as $605. Flying to Costa Rica in the afternoon is an ideal time because this is during off-peak travel hours. Flights to Costa Rica are more costly in the morning, with an average ticket price of $688. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

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 $593 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 $514 on momondo.

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

You could potentially save up to 28% 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

Direct flights

None
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
Spirit AirlinesPriceFrom $204Free CancellationRating
6.3
8,122 reviews
Search Spirit Airlines flights
United AirlinesPriceFrom $294Free CancellationRating
7.4
9,007 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $301Free CancellationRating
8.0
11,247 reviews
Search Alaska Airlines flights
American AirlinesPriceFrom $331Free CancellationRating
7.2
11,040 reviews
Search American Airlines flights
DeltaPriceFrom $351Free CancellationRating
7.9
8,001 reviews
Search Delta flights
SouthwestPriceFrom $502Free CancellationRating
8.0
4,241 reviews
Search Southwest flights
Copa AirlinesPriceFrom $775Free CancellationRating
7.6
1,563 reviews
Search Copa Airlines 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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1 adult
Sat 12/6
Sat 12/13

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