Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Portland 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 Portland 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.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Portland to Costa Rica

Cheap round-trip flights

United Airlines Logo
7:38 pm - 11:25 amPDX-SJO
13h 47m2 stops
United Airlines Logo
12:35 pm - 10:45 pmSJO-PDX
12h 10m1 stop
$276United Airlines
Find Deal
lun., nov. 3 - sáb., nov. 15
American Airlines Logo
10:15 pm - 2:10 pmPDX-SJO
13h 55m2 stops
American Airlines Logo
6:25 am - 8:17 pmSJO-PDX
15h 52m2 stops
$280American Airlines
Find Deal
lun., ene. 19 - vie., ene. 23
Southwest Logo
5:15 am - 8:10 pmPDX-SJO
12h 55m1 stop
Southwest Logo
9:00 am - 12:15 amSJO-PDX
17h 15m2 stops
$281Southwest
Find Deal
sáb., nov. 15 - dom., nov. 23
Alaska Airlines Logo
12:33 pm - 12:38 amPDX-SJO
10h 05m1 stop
Alaska Airlines Logo
1:55 am - 11:35 amSJO-PDX
11h 40m1 stop
$292Alaska Airlines
Find Deal
jue., nov. 13 - lun., nov. 17
United Airlines Logo
5:15 pm - 7:15 amPDX-SJO
13h 00m1 stop
United Airlines Logo
7:55 am - 8:50 pmSJO-PDX
13h 55m2 stops
$301United Airlines
Find Deal
mar., oct. 14 - mar., oct. 21
Alaska Airlines Logo
12:33 pm - 12:38 amPDX-SJO
10h 05m1 stop
Alaska Airlines Logo
1:55 am - 10:34 pmSJO-PDX
22h 39m1 stop
$308Alaska Airlines
Find Deal
jue., nov. 13 - dom., nov. 16
Delta Logo
12:35 am - 10:07 pmPDX-SJO
19h 32m2 stops
Delta Logo
2:31 pm - 8:35 amSJO-PDX
20h 04m2 stops
$320Delta
Find Deal
mié., nov. 12 - lun., nov. 17
American Airlines Logo
7:39 am - 11:12 amPDX-SJO
26h 33m2 stops
American Airlines Logo
6:44 am - 2:04 pmSJO-PDX
32h 20m2 stops
$328American Airlines
Find Deal
lun., sep. 29 - mar., oct. 7
Delta Logo
12:35 am - 10:07 pmPDX-SJO
19h 32m2 stops
Delta Logo
7:00 am - 7:30 pmSJO-PDX
14h 30m1 stop
$342Delta
Find Deal
mié., nov. 12 - lun., nov. 17
Southwest Logo
8:00 am - 8:30 pmPDX-SJO
10h 30m2 stops
Southwest Logo
9:00 am - 12:15 amSJO-PDX
17h 15m2 stops
$362Southwest
Find Deal
lun., nov. 3 - jue., nov. 13

United Airlines flights from Portland to Costa Rica

Our best United Airlines deals on Portland to Costa Rica flight tickets
United Airlines
Nov 3
PDX7:38 pmPortland
13h 47m
2 stops
SJO11:25 amSan José Juan Santamaria Intl
Nov 15
SJO12:35 pmSan José Juan Santamaria Intl
12h 10m
1 stop
PDX10:45 pmPortland
$276
Find similar
United Airlines
Sep 25
PDX5:30 amPortland
13h 07m
2 stops
SJO7:37 pmSan José Juan Santamaria Intl
Sep 30
SJO8:37 amSan José Juan Santamaria Intl
13h 13m
1 stop
PDX8:50 pmPortland
$280
Find similar
United Airlines
Oct 14
PDX5:15 pmPortland
13h 00m
1 stop
SJO7:15 amSan José Juan Santamaria Intl
Oct 21
SJO7:55 amSan José Juan Santamaria Intl
13h 55m
2 stops
PDX8:50 pmPortland
$301
Find similar

Delta flights from Portland to Costa Rica

Our best Delta deals on Portland to Costa Rica flight tickets
Delta
Nov 12
PDX12:35 amPortland
19h 32m
2 stops
SJO10:07 pmSan José Juan Santamaria Intl
Nov 17
SJO2:31 pmSan José Juan Santamaria Intl
20h 04m
2 stops
PDX8:35 amPortland
$320
Find similar
Delta
Nov 12
PDX12:35 amPortland
19h 32m
2 stops
SJO10:07 pmSan José Juan Santamaria Intl
Nov 17
SJO7:00 amSan José Juan Santamaria Intl
14h 30m
1 stop
PDX7:30 pmPortland
$342
Find similar
Delta
Feb 15
PDX12:55 amPortland
10h 00m
1 stop
LIR12:55 pmLiberia
Feb 26
LIR3:55 pmLiberia
21h 10m
1 stop
PDX11:05 amPortland
$359
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Portland 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 septiembre 16, 2025.
Use the filters below to find and compare flights from Portland to Costa Rica that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PortlandSan José

PDX - SJO

PDXSJO

Portland

lun. 11/3

7:38 pm-11:25 am

2 stops13h 47m

San José Juan Santamaria Intl

sáb. 11/15

12:35 pm-10:45 pm

1 stop12h 10m

$276

PortlandSan José

PDX - SJO

PDXSJO

Portland

lun. 1/19

10:15 pm-2:10 pm

2 stops13h 55m

San José Juan Santamaria Intl

vie. 1/23

6:25 am-8:17 pm

2 stops15h 52m

$280

PortlandSan José

PDX - SJO

PDXSJO

Portland

sáb. 11/15

5:15 am-8:10 pm

1 stop12h 55m

San José Juan Santamaria Intl

dom. 11/23

9:00 am-12:15 am

2 stops17h 15m

$281

PortlandSan José

PDX - SJO

PDXSJO

Portland

jue. 11/13

12:33 pm-12:38 am

1 stop10h 05m

San José Juan Santamaria Intl

lun. 11/17

1:55 am-11:35 am

1 stop11h 40m

$292

PortlandSan José

PDX - SJO

PDXSJO

Portland

mar. 10/14

5:15 pm-7:15 am

1 stop13h 00m

San José Juan Santamaria Intl

mar. 10/21

7:55 am-8:50 pm

2 stops13h 55m

$301

PortlandSan José

PDX - SJO

PDXSJO

Portland

jue. 11/13

12:33 pm-12:38 am

1 stop10h 05m

San José Juan Santamaria Intl

dom. 11/16

1:55 am-10:34 pm

1 stop22h 39m

$308

PortlandSan José

PDX - SJO

PDXSJO

Portland

mié. 11/12

12:35 am-10:07 pm

2 stops19h 32m

San José Juan Santamaria Intl

lun. 11/17

2:31 pm-8:35 am

2 stops20h 04m

$320

PortlandSan José

PDX - SJO

PDXSJO

Portland

lun. 9/29

7:39 am-11:12 am

2 stops26h 33m

San José Juan Santamaria Intl

mar. 10/7

6:44 am-2:04 pm

2 stops32h 20m

$328

PortlandSan José

PDX - SJO

PDXSJO

Portland

mié. 11/12

12:35 am-10:07 pm

2 stops19h 32m

San José Juan Santamaria Intl

lun. 11/17

7:00 am-7:30 pm

1 stop14h 30m

$342

PortlandSan José

PDX - SJO

PDXSJO

Portland

lun. 11/3

8:00 am-8:30 pm

2 stops10h 30m

San José Juan Santamaria Intl

jue. 11/13

9:00 am-12:15 am

2 stops17h 15m

$362

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Costa Rica from

How to get the cheapest flight ticket from Portland 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 Portland is in September. Flight prices, which tend to average around $403, 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 Portland to Costa Rica during October average around $444.

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 Portland. 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 Portland 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 Portland when booking weeks ahead of your departure date. In general, you can expect to find flights to Costa Rica for around $618 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Costa Rica from Portland for as low as $538 on momondo.

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

You could potentially save up to 28% on your flight if you consider stops on a Portland to Costa Rica flight.

Cheap Portland to Costa Rica flight deals and tips

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

Direct flights

None
There are no direct flights from Portland to Costa Rica. There are no popular flight routes from Portland to Costa Rica.
Search flight deals

  • When did momondo last update prices for flights from Portland Airport to Costa Rica?

    Prices for flights from Portland Airport to Costa Rica refresh daily.

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Portland Airport to Costa Rica.

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

    The travel and health documents you'll need for your trip to Costa Rica may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Costa Rica. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Portland to Costa Rica

Compare and see reviews for airlines that fly from Portland to Costa Rica with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $204Free CancellationRating
6.3
8,019 reviews
Search Spirit Airlines flights
United AirlinesPriceFrom $344Free CancellationRating
7.4
8,924 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $345Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights
American AirlinesPriceFrom $409Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $409Free CancellationRating
7.9
7,957 reviews
Search Delta flights
SouthwestPriceFrom $528Free CancellationRating
8.0
4,242 reviews
Search Southwest flights
Copa AirlinesPriceFrom $775Free CancellationRating
7.6
1,531 reviews
Search Copa Airlines flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Portland to Costa Rica. Millions of users trust and use momondo every year so you are in good hands.

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

momondo does allow users to show only those flights to Costa Rica from Portland which offer a flexible booking policy as well as other useful filters and features.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Portland to Costa Rica.

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

Yes. momondo can track prices for Portland to Costa Rica flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your Costa Rica trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
jue. 10/16
jue. 10/23
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Costa Rica