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Cheap flights from Portland to Costa Rica from $168

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 4/14. 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
1 adult, Economy, 0 bags

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Find the cheapest flights from Portland to Costa Rica

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
11:59 pm - 10:11 am
PDX
-
SJO
9h 12m
1 stop
United Airlines Logo
8:45 am - 8:54 pm
SJO
-
PDX
13h 09m
1 stop
$367United Airlines
Mon, Jun 1 - Sat, Jun 6
American Airlines Logo
10:28 pm - 7:07 pm
PDX
-
SJO
19h 39m
1 stop
American Airlines Logo
12:10 pm - 11:53 pm
SJO
-
PDX
12h 43m
1 stop
$378American Airlines
Mon, Apr 27 - Thu, May 7
American Airlines Logo
12:59 am - 7:07 pm
PDX
-
SJO
17h 08m
2 stops
American Airlines Logo
11:35 pm - 4:59 pm
SJO
-
PDX
18h 24m
1 stop
$383American Airlines
Mon, Apr 27 - Thu, May 7
American Airlines Logo
11:40 pm - 9:36 pm
PDX
-
SJO
20h 56m
1 stop
American Airlines Logo
6:30 am - 11:53 pm
SJO
-
PDX
18h 23m
1 stop
$388American Airlines
Sat, May 2 - Sat, May 9
Multiple Airlines Logo
7:11 am - 11:15 pm
PDX
-
SJO
15h 04m
2 stops
Multiple Airlines Logo
5:45 am - 10:15 pm
SJO
-
PDX
17h 30m
2 stops
$394Multiple Airlines
Tue, May 12 - Tue, May 19
United Airlines Logo
7:45 pm - 7:15 am
PDX
-
SJO
10h 30m
1 stop
United Airlines Logo
8:45 am - 8:58 pm
SJO
-
PDX
13h 13m
1 stop
$405United Airlines
Sat, May 2 - Sat, May 9
Multiple Airlines Logo
7:10 am - 11:15 pm
PDX
-
SJO
15h 05m
2 stops
Multiple Airlines Logo
5:45 am - 8:35 pm
SJO
-
PDX
15h 50m
2 stops
$406Multiple Airlines
Tue, Apr 28 - Tue, May 5
United Airlines Logo
7:14 pm - 7:15 am
PDX
-
SJO
11h 01m
1 stop
United Airlines Logo
8:45 am - 10:49 pm
SJO
-
PDX
15h 04m
1 stop
$408United Airlines
Wed, Apr 15 - Tue, May 26
Alaska Airlines Logo
12:33 pm - 6:20 am
PDX
-
LIR
16h 47m
1 stop
Alaska Airlines Logo
6:39 pm - 9:24 am
LIR
-
PDX
15h 45m
1 stop
$422Alaska Airlines
Tue, May 26 - Wed, Jun 10
Alaska Airlines Logo
9:30 pm - 5:45 pm
PDX
-
LIR
19h 15m
1 stop
Alaska Airlines Logo
10:00 am - 11:54 pm
LIR
-
PDX
14h 54m
1 stop
$436Alaska Airlines
Sun, Sep 6 - Fri, Sep 18

United Airlines flights from Portland to Costa Rica

Our best United Airlines deals on Portland to Costa Rica flight tickets
United Airlines
Jun 1
PDX11:59 pmPortland
9h 12m
1 stop
SJO10:11 amSan José Juan Santamaria Intl
Jun 6
SJO8:45 amSan José Juan Santamaria Intl
13h 09m
1 stop
PDX8:54 pmPortland
$367
United Airlines
Apr 13
PDX7:14 pmPortland
13h 57m
2 stops
SJO10:11 amSan José Juan Santamaria Intl
Apr 24
SJO8:45 amSan José Juan Santamaria Intl
10h 22m
1 stop
PDX6:07 pmPortland
$378
United Airlines
Sep 24
PDX7:44 pmPortland
15h 42m
2 stops
SJO12:26 pmSan José Juan Santamaria Intl
Oct 1
SJO1:30 pmSan José Juan Santamaria Intl
10h 29m
1 stop
PDX10:59 pmPortland
$403

American Airlines flights from Portland to Costa Rica

Our best American Airlines deals on Portland to Costa Rica flight tickets
American Airlines
Apr 27
PDX10:23 pmPortland
12h 12m
1 stop
SJO11:35 amSan José Juan Santamaria Intl
May 7
SJO6:30 amSan José Juan Santamaria Intl
18h 23m
1 stop
PDX11:53 pmPortland
$378
American Airlines
Apr 27
PDX11:47 pmPortland
12h 21m
2 stops
SJO1:08 pmSan José Juan Santamaria Intl
May 7
SJO6:30 amSan José Juan Santamaria Intl
18h 23m
1 stop
PDX11:53 pmPortland
$383
American Airlines
May 2
PDX11:40 pmPortland
20h 56m
1 stop
SJO9:36 pmSan José Juan Santamaria Intl
May 9
SJO6:30 amSan José Juan Santamaria Intl
18h 23m
1 stop
PDX11:53 pmPortland
$388

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 March 30, 2026.
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

Cheapest round-trip
Quickest round-trip

PortlandSan José

PDX - SJO

PDXSJO

Portland

Mon 6/1

11:59 pm-10:11 am

1 stop9h 12m

San José Juan Santamaria Intl

Sat 6/6

8:45 am-8:54 pm

1 stop13h 09m

$367

PortlandSan José

PDX - SJO

PDXSJO

Portland

Mon 4/27

10:28 pm-7:07 pm

1 stop19h 39m

San José Juan Santamaria Intl

Thu 5/7

12:10 pm-11:53 pm

1 stop12h 43m

$378

PortlandSan José

PDX - SJO

PDXSJO

Portland

Mon 4/27

12:59 am-7:07 pm

2 stops17h 08m

San José Juan Santamaria Intl

Thu 5/7

11:35 pm-4:59 pm

1 stop18h 24m

$383

PortlandSan José

PDX - SJO

PDXSJO

Portland

Sat 5/2

11:40 pm-9:36 pm

1 stop20h 56m

San José Juan Santamaria Intl

Sat 5/9

6:30 am-11:53 pm

1 stop18h 23m

$388

PortlandSan José

PDX - SJO

PDXSJO

Portland

Tue 5/12

7:11 am-11:15 pm

2 stops15h 04m

San José Juan Santamaria Intl

Tue 5/19

5:45 am-10:15 pm

2 stops17h 30m

$394

PortlandSan José

PDX - SJO

PDXSJO

Portland

Sat 5/2

7:45 pm-7:15 am

1 stop10h 30m

San José Juan Santamaria Intl

Sat 5/9

8:45 am-8:58 pm

1 stop13h 13m

$405

PortlandSan José

PDX - SJO

PDXSJO

Portland

Tue 4/28

7:10 am-11:15 pm

2 stops15h 05m

San José Juan Santamaria Intl

Tue 5/5

5:45 am-8:35 pm

2 stops15h 50m

$406

PortlandSan José

PDX - SJO

PDXSJO

Portland

Wed 4/15

7:14 pm-7:15 am

1 stop11h 01m

San José Juan Santamaria Intl

Tue 5/26

8:45 am-10:49 pm

1 stop15h 04m

$408

PortlandLiberia

PDX - LIR

PDXLIR

Portland

Tue 5/26

12:33 pm-6:20 am

1 stop16h 47m

Liberia

Wed 6/10

6:39 pm-9:24 am

1 stop15h 45m

$422

PortlandLiberia

PDX - LIR

PDXLIR

Portland

Sun 9/6

9:30 pm-5:45 pm

1 stop19h 15m

Liberia

Fri 9/18

10:00 am-11:54 pm

1 stop14h 54m

$436

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 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 $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 Portland 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 Portland 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 Portland for as low as $424 on momondo.

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

You could potentially save up to 7% 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

Fastest flight time

8h 51m

Direct flights

None
The fastest flight from Portland to Costa Rica takes 8h 51m
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
American AirlinesPriceFrom $275Free CancellationRating
7.1
11,531 reviews
Search American Airlines flights
United AirlinesPriceFrom $275Free CancellationRating
7.4
9,514 reviews
Search United Airlines flights
DeltaPriceFrom $287Free CancellationRating
7.9
8,358 reviews
Search Delta flights
Alaska AirlinesPriceFrom $295Free CancellationRating
7.9
12,139 reviews
Search Alaska Airlines flights
SouthwestPriceFrom $537Free CancellationRating
8.0
4,329 reviews
Search Southwest 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.

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