Cheap flights from Ontario to Costa Rica from $160
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Costa Rica departing on 9/1. 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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How to get the cheapest flight ticket from Ontario 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 Ontario is in October. Flight prices, which tend to average around $413, are often lower during this time because this is during the off-season. If you’re not able to fly to Costa Rica in October, then January is your next best option. Flight prices from Ontario to Costa Rica during January average around $496.
What is the cheapest day to depart on your flight to Costa Rica?
According to our data, Monday is the cheapest day to fly to Costa Rica from Ontario. The lowest ticket price found for a Monday departure recently was $462. 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 $653. 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 airline that flies from Ontario to Costa Rica?
United Airlines, American Airlines, and Iberia are the most popular carriers operating from Ontario to Costa Rica
What airlines fly to Costa Rica?
Alaska Airlines, Volaris Costa Rica and United Airlines are the top three most popular airlines that fly to Costa Rica from Ontario according to our data. Alaska Airlines is the first choice among our users, with 50% of people opting to fly with this airline when traveling to Costa Rica. Keep in mind that there are 12 different airlines that fly to Costa Rica on a routine basis, so you have a few additional options to choose from.
Cheap Ontario to Costa Rica flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Ontario to Costa Rica
When did momondo last update prices for flights from Ontario Airport to Costa Rica?
Prices for flights from Ontario Airport to Costa Rica were last updated today.
How many operators does momondo search for flights from Ontario Airport to Costa Rica?
The number of operators available for flights from Ontario Airport to Costa Rica is 4 as of July 2025.
How old do you have to be to fly from Ontario Airport 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 Ontario Airport to Costa Rica.
What documentation or ID do you need to fly to Costa Rica?
The travel and health documents required for your trip to Costa Rica can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Costa Rica. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
Best airlines flying from Ontario to Costa Rica
Compare and see reviews for airlines that fly from Ontario to Costa Rica with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $349 | Free Cancellation | Rating 7.4 8,861 reviews | |||
| PriceFrom $384 | Free Cancellation | Rating 6.7 2,363 reviews | |||
| PriceFrom $419 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $616 | Free Cancellation | Rating 8.0 4,266 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Ontario to Costa Rica?
momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Ontario to Costa Rica. Millions of users trust and use momondo every year so you are in good hands.
Can I find flights from Ontario to Costa Rica with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for Ontario to Costa Rica flights to just show those with flexible booking policies.
How can momondo help me find flights from Ontario to Costa Rica?
momondo provides multiple filters to help you find the best flight to Costa Rica from Ontario. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.
I’m not ready to book a flight from Ontario to Costa Rica right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of Ontario to Costa Rica flights. All you need is a valid email address and we will do the rest; it is that quick and easy.