$139 Find Cheap Flights from Portland to Costa Rica

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Portland to Costa Rica departing on 2/27. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Cheap Flights from Portland to Costa Rica

Cheapest round-trip prices found by our users on KAYAK in the last 72 hours
San José
San José1 stop$307
Liberia
Liberia1 stop$376
San José
San José1 stop$307
Liberia
Liberia1 stop$376

Book Cheap Portland to Costa Rica Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Portland to Costa Rica that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Portland to Costa Rica

Mon, Feb 23 - Thu, Feb 26
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
$307American Airlines
Tue, Mar 3 - Thu, Mar 12
United Airlines Logo
7:10 am - 8:39 pm
PDX
-
SJO
11h 29m
1 stop
United Airlines Logo
8:40 am - 11:04 pm
SJO
-
PDX
15h 24m
1 stop
$318United Airlines
Mon, Apr 20 - Mon, May 4
United Airlines Logo
7:14 pm - 10:11 am
PDX
-
SJO
13h 57m
2 stops
United Airlines Logo
8:45 am - 8:58 pm
SJO
-
PDX
13h 13m
1 stop
$323United Airlines
Sat, Feb 28 - Mon, Mar 9
American Airlines Logo
5:40 am - 10:56 pm
PDX
-
SJO
15h 16m
1 stop
American Airlines Logo
7:00 am - 11:44 pm
SJO
-
PDX
17h 44m
1 stop
$327American Airlines
Mon, Apr 27 - Thu, May 7
American Airlines Logo
10:23 pm - 1:08 pm
PDX
-
SJO
13h 45m
2 stops
American Airlines Logo
11:35 pm - 10:50 pm
SJO
-
PDX
24h 15m
1 stop
$331American Airlines
Sat, Feb 28 - Mon, Mar 9
American Airlines Logo
9:44 pm - 12:31 pm
PDX
-
SJO
12h 47m
2 stops
American Airlines Logo
7:00 am - 11:44 pm
SJO
-
PDX
17h 44m
1 stop
$332American Airlines
Mon, Apr 13 - Thu, Apr 23
American Airlines Logo
12:59 am - 1:22 pm
PDX
-
SJO
11h 23m
1 stop
American Airlines Logo
2:08 pm - 11:54 pm
SJO
-
PDX
10h 46m
1 stop
$338American Airlines
Tue, May 12 - Tue, May 26
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
$341Multiple Airlines
Mon, Mar 9 - Wed, Mar 11
Alaska Airlines Logo
9:30 pm - 4:58 pm
PDX
-
LIR
18h 28m
1 stop
Alaska Airlines Logo
11:45 am - 1:25 pm
LIR
-
PDX
26h 40m
1 stop
$384Alaska Airlines
Mon, Mar 9 - Wed, Mar 11
Alaska Airlines Logo
9:30 pm - 4:58 pm
PDX
-
LIR
18h 28m
1 stop
Alaska Airlines Logo
11:45 am - 1:25 pm
LIR
-
PDX
26h 40m
1 stop
$404Alaska Airlines
Booking Insights

KAYAK's insights & trends for Portland to Costa Rica flights

Get data-powered insights and trends into flights from Portland to Costa Rica to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest month to fly from Portland to Costa Rica?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Portland to Costa Rica, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Portland to Costa Rica is September, when tickets cost $357 (return) on average. On the other hand, the most expensive months are March and June, when the average cost of round-trip tickets is $659 and $640 respectively.

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

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Portland to Costa Rica, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Portland to Costa Rica, you should book around 4 weeks before departure, which saves you about 15% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 10 weeks before departure.

Good to know

Low seasonSeptember
Cheapest flight$138
Best time to beat the crowds with an average 27% drop in price.
Most popular time to fly and prices are also 14% lower on average.
Flight from Portland to San José

FAQs - booking Costa Rica flights

  • Are there any shops or stores available at the SJO airport?

    At IMAS Duty Free, you can get a variety of goods ranging from luxury goods and electronics, chocolate, coffee, liquor, perfumes etc. They are located before the airport security at the administrative offices.

  • Is medical assistance available at the Limon Airport (LIO)?

    You can request medical assistance at the Limon Airport from any of the staff members who will guide you to the appropriate area. Air Ambulance also provides a variety of services at the airport.

  • Are pets allowed at the PDX airport?

    Animals such as those for comfort or emotional support are allowed at the PDX airport on conditions that they be accompanied by and or be kept in pet carriers except when they are using the relief area. If you are traveling with a service dog you should ensure that that dog is always under control.

  • Do they have nursing rooms for lactating mothers?

    If you are traveling with a child who is still breastfeeding, the John Wayne Airport offers nursing rooms to provide mothers with privacy and comfort. The stations have a comfortable chair, a sink for washing your hands, a changing station and electric outlets for mothers who would wish to pump. The rooms are located close to gate C16.

  • How does KAYAK find such low prices on flights from Portland to Costa Rica?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Portland to Costa Rica.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Portland to Costa Rica?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Portland to Costa Rica is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Portland to Costa Rica?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from Portland to Costa Rica with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Portland to Costa Rica?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Portland to Costa Rica up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Top tips for finding cheap flights to Costa Rica

  • Portland International Airport (PDX) is situated to the south of Multnomah in Portland. The journey from the city to the airport takes about 45 minutes depending on the method of transportation. You can also use the MAX light rail Red line which takes about 40 minutes between downtown and the airport. Another option is taxi cabs, which are ordered via the operators or from a hotel.
  • Should you require wheelchair assistance at the PDX airport, you are advised to call your airline at least 48 hours in advance. A note indicating that you require special assistance will be put in your reservation record to communicate your arrival, departure and transfer airports to give the required assistance. Clearly marked handicap parking lots are also available, and are located adjacent to the terminal.
  • The kids play area at the PDX airport is situated close to the D and E security checkpoint (pre-security). It has a play structure with climbing stairs, slides, and creative space and Lego tables. The other play area is at Concourse C near gate C17 and offers an airplane themed play area for young children and a TV. Parents and guardians have seats nearby where they can take a rest and keep an eye on their kids.
  • Several lounges are found at the Juan Santa Maria airport (SJO) - VIP lounge BAC Credomatic, Santa Maria VIP Lounge, MasterCard Black Lounge and VIP Costa Rica (Copa Club).Here you can enjoy amenities such as snacks, premium food, beer and wine, flight monitors, TV, newspapers, and magazines. It is important to note that the MasterCard lounge is only accessible to MasterCard Black cardholders issued in Central America. They operate between 4:00 a.m. and 8:00 p.m.
  • Should you want to stay at a hotel after your flight, a number of them are located near the Liberia Airport (LIR). Hotel Javy offers amenities such as free parking, free breakfast, and a taxi service. The rooms are equipped with air conditioning, telephone, flat screen TV, and housekeeping among others. There are also family rooms and non-smoking rooms. Other hotels that you may also find interesting include Hotel Boyeros, Hospedaje Dodero, and Hotel Villa Hermosa.

Reviews of the top 5 airlines serving from Portland to Costa Rica

 
Need help choosing which airline to fly with from Portland to Costa Rica? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.0
Alaska AirlinesOverall score based on 11907 reviews
7.8Comfort
8.1Boarding
7.1Food
8.5Crew
7.0Entertainment
Airline reviews

The seats were spacious and comfortable. Even in basic economy. However, the flight boarded 30 minutes late.

8.0 ExcellentJulie, Feb 2026
PDX - DCA
Read more Alaska Airlines reviews

The seats were spacious and comfortable. Even in basic economy. However, the flight boarded 30 minutes late.

Alaska used to be a top notch airline. With it's growth it is now in line with the big airlines. Not bad, not great.

Great. I did have a little issue getting into the Lounge, which is likely more an American Airlines issue. I did not carry my physical AAdvantage Executive credit card with me on this trip, which Admirals Club membership is a part of the benefits of having this card. The instructions on the AA website and the Citi cards website make it seem like you don't need the physical card, as both sites state you can enter with your boarding pass and driver's license. But both lounges said you were required to present the physical card (and not the digital version, via Apple Pay), as only the physical card says "Admirals Club" on the back.I also do not have a physical Admirals Club membership card, so while both lounges eventually let me in, both denied me entrance initially for this reason.

Everything from the time I booked my flight through to the end when I got home was smooth and wonderful. Service was great, the flight attendants were attentive and there were no outstanding delays.

Delayed and no entertainment? I also forgot my headphones and immediately reported it and have not heard back yet.

The crew was very friendly. Boarding was quick and efficient.

You need categories to note when food and entertainment are not available. Alaska's system would not update flight info on the board for this flight, so there was some confusion after deplaning from the previous flight as to which gate and depart time were accurate for this flight.

we waited for 50 minutes to check a bag and missed a flight. do better.

After a swift boarding we had to wait in the plane for over 40 minutes to take off. The same happened when we landed. Alaska had much more work to do on their timetable

The flight crew was very professional and pleasant. Our flight was delayed 3 hours, but Kayak informed me in advance

The WiFi and crew on the plane were good, however, the boarding experience was awful. I paid for the Choice Preferred and was boarded in group 5 so all overhead storage was full. They found room for our luggage, but further back making getting off the plane a nightmare. Also, we were in row 6 and the seats were extremely uncomfortable. Both my daughter and I had no leg room and couldn’t wait to get off the plane.

The charges were ridiculous for an hour flight and the turbulence was very scary.

Still need to work out the kinks on the new assigned seating boarding process. Otherwise, a very good flight.

WiFi did not work. Boarding with the new seating assignments took too long. The temperature in the terminal was obnoxious. +/- 80°

The seats are now more narrow. I paid for front row the seats in the front are even more narrow than before.

Only downside was the legroom and seat width, which is always a problem unless I spend more for a premium seat.

My flight from Denver to Minneapolis was excellent. My flight from Minneapolis to Denver was one of the worst I flights I have ever experienced. I had a window seat, the gentleman in the middle seat was morbidly obese and SW should have made him purchase two seats. His elbow dug into my arm most of the way even after I asked to please be careful. I was literally squashed between the him and the window with no wiggle room. The plane was full so it was not possible to ask for a different seat. I realize I should have complained to the flight attendant but I didn't feel anything could be done to rectify the situation. I fly SW often, I will continue to do so as this was my first negative experience.

I was assigned seat 7E, yet my boarding was Group 5, which caused me to have to put my luggage in the back of the plance above `19 or 20 aisle, as passengers who had boarded earlier took the overhead bins in the front. SW needs to monitor bin space and ensure that bin space above the seat are aligned to those sitting near their seats. Also the seating assignments needs to align with group number. Maybe board those last first and so on? Having said the ALL the passengers on the plane were gracious enough to allow me and other passengers in this dilema to retrieve our luggage and helped us along the way. I always love the flight staff, as always their fantastic and I can't rave about them enough!

I appreciate the staff who allowed me to board though I arrived a little late! Regarding the assigned seating, I had booked my flight before this change and wasn't aware of the change at the time, and so I didn't select a seat at booking as I didn't realize it was relevant. Better communication about the change would have been helpful for preparing.

Flight attendants very hospitable and friendly. Pilot flew a smooth take off and landing.

This is my worse experience with Delta. My colleagues and I were traveling to ICT for work. Usually we connect in Dallas, but this year we decided to book with Delta and connect in Atlanta. We were excited to fly with Delta because we hear great things and Delta is one of my top choices when choosing an airline for travel. On the connecting flights to and from Wichita/Atlanta - it felt hot and uncomfortable on the plane. The plane to ICT was smaller and older and did not have any wi-fi or entertainment. The most terrible experience was at boarding in Atlanta both times traveling to Wichita and then back to Tampa. First on our flight from ATL to ICT - the attendant scanning our boarding pass made us go back to the line when we went up to scan our passes to wait. After a few minutes, she allowed us to come back up to scan but then she asked what boarding zone we were. We told her zone 5, and since we were standing on the wrong side of the small rope partition, she made us go back to stand on the right side. There was another gentleman that came up to board and scan his pass, and she mentioned he was also on the wrong side but she let him go through. Our group had to walk back and forth for no reason, causing an unnecessary delay to board the plane. We have never experienced anything like this, especially when the boarding area was completely empty and everyone already boarded since boarding was earlier than the original boarding time. On our flight from ATL to TPA, the attendants scanning our boarding passes had us scan our passes twice, not explaining to us what was going on. They automatically started tagging our carry on bags and did not explain to us or tell us what was going on and why this was happening. Obviously we knew our bags were being forced to check in but with no reason. There was no announcement or mention and I have never had anyone force me to check in my bag before boarding the plane. We assumed the overhead bins were full but when we boarded the plane, there was a lot of empty bins and a lot of spaces to put our bags. We all were disappointed and frustrated with Delta and will be hesitant to fly Delta again or anytime soon.

Boarding and crew were fantastic, but I paid for a window seat with no window. Seat 11D on a CRJ-900 apparently does not have a window. Lesson learned.

Terrible. Four hour delay because Delta could not find crew to man the aircraft. Terrible communication. Terrible insight into the delays. One of the worst flight experiences I’ve had.

It was good. The leg room was not great in Row 1.

The landing was the worst I’ve experienced with a flight.

The crew, and fellow passengers, were super gracious and kind. There seemed to be plenty of bin space even though the plane was full. It’s nice to get a glass of wine with dinner in Premiere seating, and there was a lot of food.

First flight out and was 85 minutes delayed. Notification came out way too late

Delta flights recently are always delayed AND at jfk tney get the gates further away (need To walk 20’ to get to them/all the way at the end of the terminal). Not sure whats happening but price doesnt match experience!

Everything I mentioned earlier - the airbus was more comfortable indeed and the experience was further enhanced.

Delta continues to set the benchmark for traveler-friendly service with minimal disruption and clear communication within the mainland US (coast to coast). I am consistently pleased to be a Delta customer, and this experience once again met my expectations. There was a brief delay departing from MIA due to a technical issue that required the aircraft to return to the gate. However, the situation was handled professionally and transparently. Fortunately, my planned layover allowed ample buffer time, so the adjustment caused no stress. Overall, another smooth and reassuring experience.

Airport terminal was outdated, flight was on a small jet with no wifi

We were delayed for about an hour from taking off due to traffic control procedures at the destination airport. But once in the air, the flight went well. The crew members were great and provided cabin service despite moderate turbulence during much of the flight.

it was a very short flight so my expectations were low.

As great a red-eye flight as red-eye flights can be.

Once boarding started it was pretty quick. Food was inedible; cold and salty..

Entertainment kept turning itself off. Gave up on watching a movie.

Both the WIFI and entertainment did not work for 2.5h

The crew made our experience extremely bad. They were rude and didn’t have anything for kids.

Very old flight - time to retire it for newer airplanes

2+ hours delayed Outlet in row 12 did not work Tv monitors did not work Lights kept off the entire flight for at 5pm-7pm flight

Waiting for gate in RDU for more than 20mins is crazy.

Flight was on time and there was an empty seat next to me. That makes for a good flight!

Maintenance took a very long time and then we were in a holding pattern. While a one-off maintenance issue is standard, there were delays on both of my flights for this trip based on maintenance issues with the planes, which delayed both flights over 45 minutes. Thankfully, I didn't have any connections but it wasn't an experience that would make me pick AA if I have other options.

I like that the flight attendant was very attentive and helpful. The meal menu could have more of an variety of food choices.

Everything was good. Flight was very full so crew was busy. After we boarded and plane pulled away from the gate, we were delayed about 40 minutes- sitting on the runway - due to weather en route or at the destination. While weather is not the fault of the airline- it’s terrible to sit on a plane and not moving.

We missed our flight and got stranded in Miami where we had to rent a hotel we could not afford. they would not work with us because they said it was weather related even though the gate attendant said it was not. I could go on but trying to get satisfaction has wore me down, which I believe is the intent. My only solution is to never fly AA again.

No Snacks or Entertainment. The flight was short, snacks should still be given.

We lost a day of our vacation because AA did not get the plane to the gate on time. Even though the gate attendant was very clear that it was not weather related, AA would do nothing because there was some snow that day. They basically said the gate attendant was wrong even though she was on the front line of the situation and they were not.

See prior comment about how Kayak mishandled my reservation and delayed my arrival by 6 hours.

American Airlines was great and worked very hard to change my ticket so I could get an earlier, direct flight back to Dallas. However, I was informed that Kayak made mistakes with my itinerary and classified my ticket as desiring to be on the earlier flight instead of taking the necessary step of calling AA to get me on the standby list. This ended up keeping me from being added to the standby list and delayed me getting home by 6 hours. I am happy to discuss this further with Kayak so they can correct their procedures so this won't happen again.

Everything you need to know for your flight from Portland to Costa Rica

Information on your arrival and departure airports