$214 Find Cheap Flights from Redmond to Costa Rica - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Redmond to Costa Rica departing on 8/29. 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 Redmond to Costa Rica

Cheapest round-trip prices found by our users on KAYAK in the last 72 hours
San José
San José2 stops$533
Liberia
Liberia1 stop$605
San José
San José2 stops$533
Liberia
Liberia1 stop$605

Book Cheap Redmond 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 Redmond 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 Redmond to Costa Rica

Sat, Sep 19 - Wed, Sep 23
United Airlines Logo
1:52 pm - 7:37 pm
RDM
-
SJO
28h 45m
2 stops
United Airlines Logo
1:25 pm - 8:57 pm
SJO
-
RDM
32h 32m
2 stops
$533United Airlines
Thu, Nov 26 - Tue, Dec 8
Delta Logo
12:35 pm - 1:05 pm
RDM
-
SJO
22h 30m
2 stops
Delta Logo
7:00 am - 11:40 pm
SJO
-
RDM
18h 40m
2 stops
$563Delta
Thu, Aug 27 - Thu, Sep 3
United Airlines Logo
1:52 pm - 12:21 pm
RDM
-
SJO
21h 29m
2 stops
United Airlines Logo
8:45 am - 8:50 pm
SJO
-
RDM
13h 05m
1 stop
$578United Airlines
Thu, Jun 25 - Sun, Jul 5
United Airlines Logo
1:49 pm - 7:15 am
RDM
-
SJO
16h 26m
1 stop
United Airlines Logo
6:00 am - 11:35 pm
SJO
-
RDM
18h 35m
1 stop
$590United Airlines
Thu, Jul 23 - Sun, Aug 2
United Airlines Logo
7:39 pm - 7:15 am
RDM
-
SJO
10h 36m
1 stop
United Airlines Logo
8:45 am - 10:59 pm
SJO
-
RDM
15h 14m
1 stop
$591United Airlines
Sat, Sep 19 - Wed, Sep 23
United Airlines Logo
1:52 pm - 12:21 pm
RDM
-
SJO
21h 29m
2 stops
United Airlines Logo
1:25 pm - 8:57 pm
SJO
-
RDM
32h 32m
2 stops
$595United Airlines
Fri, Nov 27 - Mon, Dec 7
GOL Logo
2:58 pm - 2:10 pm
RDM
-
SJO
21h 12m
2 stops
GOL Logo
2:40 pm - 7:33 pm
SJO
-
RDM
30h 53m
2 stops
$604GOL
Tue, Jul 14 - Mon, Jul 20
American Airlines Logo
1:48 pm - 11:30 am
RDM
-
LIR
20h 42m
2 stops
American Airlines Logo
2:15 pm - 1:07 pm
LIR
-
RDM
23h 52m
2 stops
$708American Airlines
Wed, Jul 8 - Tue, Jul 14
Alaska Airlines Logo
6:09 pm - 6:37 am
RDM
-
LIR
11h 28m
1 stop
Alaska Airlines Logo
6:39 pm - 11:15 pm
LIR
-
RDM
29h 36m
1 stop
$819Alaska Airlines
Mon, Aug 3 - Tue, Aug 11
Alaska Airlines Logo
7:00 am - 6:37 am
RDM
-
LIR
22h 37m
1 stop
Alaska Airlines Logo
6:39 pm - 1:25 pm
LIR
-
RDM
19h 46m
1 stop
$821Alaska Airlines
Booking Insights

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

Get data-powered insights and trends into flights from Redmond 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 Redmond to Costa Rica?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Redmond 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 Redmond to Costa Rica is April, when tickets cost $181 (return) on average. On the other hand, the most expensive months are June and July, when the average cost of round-trip tickets is $865 and $580 respectively.

Good to know

Low seasonJune
Cheapest flight$214
Best time to beat the crowds but there is an average 34% increase in price.
Most popular time to fly and prices are also 16% lower on average.
Flight from Redmond to San José

FAQs - booking Costa Rica flights

  • How does KAYAK find such low prices on flights from Redmond 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 Redmond to Costa Rica.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Redmond 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 Redmond 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 Redmond 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 Redmond 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 Redmond to Costa Rica up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Reviews of the top airlines flying from Redmond to Costa Rica

 
Need help choosing which airline to fly with from Redmond 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.
7.9
Alaska AirlinesOverall score based on 12509 reviews
7.0Food
8.1Boarding
7.8Comfort
7.0Entertainment
8.5Crew
Airline reviews

3 of the 4 legs of our trip the crews were awesome! 1 leg the trip attendants were rude & dismissive, didn't even greet us when boarding even though both myself & my husband said hello directly to them when we boarded.

10.0 ExcellentBarbara, Jun 2026
RDM - SEA
Read more Alaska Airlines reviews

3 of the 4 legs of our trip the crews were awesome! 1 leg the trip attendants were rude & dismissive, didn't even greet us when boarding even though both myself & my husband said hello directly to them when we boarded.

We were 35 minutes late because the caterer had not stocked the plane. Plane was fully loaded and ready to go 15 minutes before departure time. We sat there 35 minutes?

Many gate changes in Seattle and mechanical problems on plane which resulted in a new gate change. Both flights, from Seattle to Detroit and Seattle to Eugene resulted in a lot of walking and tram taking.

The seats are too small/crowded. It is frustrating to be forced to sit with someone who is overweight as they crown the other seat. Nothing against the person…just the airline companies who continue(over decades!)to reduce seat sizes. Americans are fat. Those of us who are not are tired of being compromised by the airline companies who don’t faces that fact and make adjustments. Maybe have “overweight seats”? Maybe give us a discount for being forced into an uncomfortable flight due to others overweightness? Please, make adjustments…be accountable. Thanks!

I flew standby with my two children and completely forgot it was Memorial Day weekend. We tried to fly from PDX to YVR. Unfortunately, after four attempts, we gave up and tried SEA instead after the holiday. The ground crew was very helpful, checking us in and accommodating us when we were finally able to get on a flight. The sad part was that they accidentally loaded one of my suitcases on the Vancouver flight without us during one of our attempts to get on a flight, even though it had a standby tag on it. I filed a report with baggage services, and thankfully, it was returned to PDX the following day. AS was in touch with us and updated us on the process of returning the luggage to the USA.

Internet was great. It was nice to watch a movie. The crew was very nice.

On this flight there wer only 25 people on board. So no one in 5 rows ahead of me and noone in 7 rows behind me. So very chill.

Considering my flight to Portland was in a broken chair that I had paid extra for, this one was great. So yeah, wonderful.

Some food or at least snacks need to be offered on long flights. I thought I had ordered food for my husband and I prior to the flight, but was told during the flight that I had not. Perhaps, if you must charge extra for food, let people order on board. We did get some food, which evidently others had decided they didn’t want onboard, but it wasn’t very good. We did like the adherence to takeoff and landing times, and the quick return of our luggage.

Our meal order was screwed up. We had to choose from basic boxes. I was not happy.

Our flight was delayed several Times due to mechanical issues. Although I understand this may happen at times, it was very inconvenient and we had to book a hotel for an overnight stay. We were traveling with my 3-yo grandson and waiting at the airport from noon until 6:30pm with no reassurance that our next rescheduled flight would depart, we had to decide what’s best for him. A day later, I found out that I may be able to demand compensation if my flight is delayed more than 4 hours. I will hav to read the fine print next time.

Flight cancelled instead of leaving Friday am now, maybe, leaving Sunday

The pilot had to extend the flight time from san antonio to Houston to burn off fuel. This caused a lot of unnecessary stress since we had a tight connection to Aruba. And with no other flights going to Aruba we were worried about spending a night in Houston. We had to to run to our connection because of the flight crews mistake. Not happy.

Service was professional and quick. Premium economy seat was comfortable given the class

one of the flight attendants on the Dallas to frankfurt leg was somewhat rude..

I'm a United 1K member and have ben for 10 years. The gate agent had no control over the boarding process and had us passengers queued for hours as delays were announced. On the plane, the overhead air nozzle was broken so col over was powering through on me and the passenger next to me. Not a great experience for a million miler on United. Feel free to contact me. Josh Smigel - DM426089

Like: departed and arrived on time. Unlike: Food options for purchase allways bad, 1 of 2 of the crew members not very friendly at all. Seats and leg room aweful. At this point I am thinking on switching to AA.

Over 5 hour delay with minimal updates or ability to standby for alternative flights. During boarding and 1 hr+ wait for takeoff, seats were drenched w water from air conditioning condensation and always leftover crumbs on carpet and seats

It was perfect! United Airlines staff was extremely caring, super friendly and professional

The staff was extremely helpful and friendly at all times! They went above and beyond to get us into an earlier flight in San Diego to make our connection in SFO possible, because our original flight did actually not make it! I did so much appreciate the UA team and how they made this possible. We also didn’t have seats together on the long flight to Singapore, but they found us seats together last moment with no additional cost! Nobody sat next to us, so that we were able to sleep! Thanks to UA for improving their service and Underpricer for booking this trip! Please be careful: 1,5 hrs for transfer in San Francisco might not be enough time in the future

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

Information on your arrival and departure airports