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Cheap flights from Ontario to Costa Rica from $170

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 4/7. 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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Cheap round-trip flights

KAYAK's recommended round-trip deals from the most popular airlines that fly from Ontario to Costa Rica.
 Logo
1:09 am - 11:14 pmONT-SJO
21h 05m1 stop
 Logo
3:31 pm - 11:13 pmSJO-ONT
8h 42m1 stop
Mon, Jun 16 - Sat, Jun 21
 Logo
1:09 am - 11:14 pmONT-SJO
21h 05m1 stop
 Logo
3:31 pm - 11:13 pmSJO-ONT
8h 42m1 stop
Mon, Jun 2 - Tue, Jun 10
Avianca Logo
11:25 pm - 11:15 amONT-SJO
10h 50m1 stop
Avianca Logo
3:05 pm - 9:55 pmSJO-ONT
7h 50m1 stop
$410Avianca
Find Deal
Sat, May 3 - Thu, May 15
Avianca Logo
11:25 pm - 11:15 amONT-SJO
10h 50m1 stop
Avianca Logo
9:35 am - 9:55 pmSJO-ONT
13h 20m1 stop
$439Avianca
Find Deal
Tue, May 13 - Tue, May 20
American Airlines Logo
12:45 pm - 10:17 pmONT-SJO
8h 32m1 stop
American Airlines Logo
11:59 pm - 9:50 amSJO-ONT
10h 51m1 stop
$442American Airlines
Find Deal
Mon, May 12 - Tue, May 20
United Airlines Logo
6:00 am - 9:15 pmONT-SJO
14h 15m2 stops
United Airlines Logo
1:30 pm - 9:58 pmSJO-ONT
9h 28m1 stop
$451United Airlines
Find Deal
Fri, Apr 11 - Thu, Apr 17
American Airlines Logo
10:40 pm - 11:27 amONT-SJO
11h 47m2 stops
American Airlines Logo
11:59 pm - 3:49 pmSJO-ONT
16h 50m2 stops
$455American Airlines
Find Deal
Sat, May 17 - Sat, May 24
United Airlines Logo
6:10 am - 7:37 pmONT-SJO
12h 27m1 stop
United Airlines Logo
11:13 am - 9:58 pmSJO-ONT
11h 45m1 stop
$541United Airlines
Find Deal
Mon, Apr 14 - Tue, Apr 22
Delta Logo
10:59 pm - 11:40 amONT-LIR
11h 41m1 stop
Delta Logo
1:05 pm - 10:29 pmLIR-ONT
10h 24m1 stop
$664Delta
Find Deal
Sun, Jul 27 - Thu, Jul 31
Delta Logo
10:59 pm - 11:47 amONT-LIR
11h 48m1 stop
Delta Logo
1:12 pm - 10:41 pmLIR-ONT
10h 29m1 stop
$868Delta
Find Deal
Thu, Sep 25 - Sun, Sep 28

Avianca flights from Ontario to Costa Rica

Our best Avianca deals on Ontario to Costa Rica flight tickets
Avianca
May 3
ONT11:25 pmOntario
10h 50m
1 stop
SJO11:15 amSan José Juan Santamaria Intl
May 15
SJO3:05 pmSan José Juan Santamaria Intl
7h 50m
1 stop
ONT9:55 pmOntario
Avianca
May 13
ONT11:25 pmOntario
10h 50m
1 stop
SJO11:15 amSan José Juan Santamaria Intl
May 20
SJO9:35 amSan José Juan Santamaria Intl
13h 20m
1 stop
ONT9:55 pmOntario
Avianca
May 1
ONT11:25 pmOntario
13h 05m
1 stop
SJO1:30 pmSan José Juan Santamaria Intl
May 8
SJO3:05 pmSan José Juan Santamaria Intl
7h 50m
1 stop
ONT9:55 pmOntario

American Airlines flights from Ontario to Costa Rica

Our best American Airlines deals on Ontario to Costa Rica flight tickets
American Airlines
May 12
ONT12:45 pmOntario
8h 32m
1 stop
SJO10:17 pmSan José Juan Santamaria Intl
May 20
SJO11:59 pmSan José Juan Santamaria Intl
10h 51m
1 stop
ONT9:50 amOntario
American Airlines
May 17
ONT10:40 pmOntario
11h 47m
2 stops
SJO11:27 amSan José Juan Santamaria Intl
May 24
SJO11:59 pmSan José Juan Santamaria Intl
16h 50m
2 stops
ONT3:49 pmOntario
American Airlines
Jul 28
ONT11:59 pmOntario
12h 14m
1 stop
SJO1:13 pmSan José Juan Santamaria Intl
Aug 3
SJO11:59 pmSan José Juan Santamaria Intl
23h 59m
1 stop
ONT10:58 pmOntario

See travel insights to Costa Rica from

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 May. Flight prices, which tend to average around $369, are often lower during this time because this is during the off-season. If you’re not able to fly to Costa Rica in May, then October is your next best option. Flight prices from Ontario to Costa Rica during October average around $418.

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 time of day to depart on your flight to Costa Rica?

In the evening is the cheapest time of day to fly from Ontario to Costa Rica when you can find flight prices for as low as $473. Flying to Costa Rica in the evening 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 $669. 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 Ontario when booking 16 weeks ahead of your departure date. In general, you can expect to find flights to Costa Rica for around $539 when searching 16 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Costa Rica from Ontario for as low as $382 on momondo.

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

Best Price Found

$170

Fastest flight time

7h 13m

Direct flights

None

Airports in Costa Rica

2 airports
The best one-way flight to Costa Rica from Ontario in the past 72 hours is $170. The best round-trip flight deal from Ontario to Costa Rica found on momondo in the last 72 hours is $336.
The fastest flight from Ontario to Costa Rica takes 7h 13m
There are no direct flights from Ontario to Costa Rica. Popular non-direct routes for this connection are Ontario Airport - San José Juan Santamaria Intl Airport and Ontario Airport - Liberia Airport.
There are 2 airports near Costa Rica: Liberia (LIR), San José Juan Santamaria Intl (SJO)

  • 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?

  • 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
AviancaPriceFrom $314Free CancellationRating
6.7
2,302 reviews
Search Avianca flights
United AirlinesPriceFrom $436Free CancellationRating
7.4
8,615 reviews
Search United Airlines flights
American AirlinesPriceFrom $442Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
SouthwestPriceFrom $616Free CancellationRating
8.0
4,277 reviews
Search Southwest flights

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.


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