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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 2/21. 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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Find the cheapest flights from Ontario to Costa Rica

Cheap round-trip flights

These are some of the best round-trip flight deals from Ontario to Costa Rica that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Ontario to Costa Rica.

Cheap last minute flights

Planning a quick getaway from Ontario to Costa Rica? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Costa Rica, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Ontario to Costa Rica

Find recent round-trip train or bus tickets from Ontario to Costa Rica.

All round-trip flight deals to Costa Rica

The cheapest plane tickets to Costa Rica found on KAYAK recently.
10:30 pm - 11:25 amONT-SJO
10h 55m1 stop
9:35 am - 9:00 pmSJO-ONT
13h 25m1 stop
$372Avianca
Find Deal
Thu, Feb 6 - Thu, Feb 20
10:30 pm - 11:25 amONT-SJO
10h 55m1 stop
3:10 pm - 9:00 pmSJO-ONT
7h 50m1 stop
$387Avianca
Find Deal
Thu, Feb 20 - Thu, Feb 27
12:58 am - 11:12 pmONT-SJO
20h 14m1 stop
3:32 pm - 11:01 pmSJO-ONT
9h 29m1 stop
Mon, Jan 20 - Tue, Jan 28
10:30 pm - 1:35 pmONT-SJO
13h 05m1 stop
3:32 pm - 11:01 pmSJO-ONT
9h 29m1 stop
Tue, Jan 21 - Tue, Jan 28
2:44 pm - 12:50 pmONT-LIR
20h 06m2 stops
1:50 pm - 9:59 amLIR-ONT
22h 09m2 stops
$520American Airlines
Find Deal
Thu, Jan 30 - Mon, Feb 3
6:00 am - 9:59 pmONT-SJO
14h 59m1 stop
11:30 pm - 5:49 pmSJO-ONT
19h 19m1 stop
$536American Airlines
Find Deal
Wed, Mar 19 - Thu, Apr 3
6:00 am - 8:39 pmONT-SJO
12h 39m1 stop
6:30 am - 9:57 pmSJO-ONT
17h 27m1 stop
$548United Airlines
Find Deal
Thu, Jan 30 - Mon, Feb 3
6:00 am - 8:39 pmONT-SJO
12h 39m1 stop
6:30 am - 9:51 amSJO-ONT
29h 21m2 stops
$553United Airlines
Find Deal
Thu, Jan 30 - Sun, Feb 2
7:00 am - 7:09 amONT-LIR
22h 09m2 stops
6:40 pm - 8:13 pmLIR-ONT
27h 33m3 stops
$625Alaska Airlines
Find Deal
Thu, Jan 30 - Mon, Feb 3
4:06 pm - 11:57 pmONT-SJO
29h 51m3 stops
1:12 am - 8:13 pmSJO-ONT
21h 01m3 stops
$734Alaska Airlines
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Sat, Feb 1 - Mon, Feb 3
12:58 am - 11:12 pmONT-SJO
20h 14m1 stop
Fri, Feb 21
12:58 am - 11:12 pmONT-SJO
20h 14m1 stop
Mon, Feb 17
10:30 pm - 11:25 amONT-SJO
10h 55m1 stop
$177Avianca
Find Deal
Thu, Feb 20
10:30 pm - 11:25 amONT-SJO
10h 55m1 stop
$180Avianca
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Sat, Feb 22
11:59 pm - 1:47 pmONT-SJO
11h 48m2 stops
$210American Airlines
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Sun, Feb 16
6:00 am - 8:39 pmONT-SJO
12h 39m1 stop
$255United Airlines
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Sun, Feb 23
1:45 pm - 6:16 pmONT-SJO
26h 31m2 stops
$261United Airlines
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Mon, Jan 27
11:59 pm - 11:19 pmONT-SJO
21h 20m1 stop
$266American Airlines
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Sun, Feb 16
7:01 pm - 11:57 pmONT-SJO
26h 56m3 stops
$353Alaska Airlines
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Mon, Jan 27
7:00 am - 11:59 pmONT-SJO
14h 59m3 stops
$394Alaska Airlines
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Sun, Feb 16
11:59 pm - 2:20 pmONT-SJO
12h 21m2 stops
1:30 pm - 9:12 amSJO-ONT
21h 42m2 stops
$727American Airlines
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Mon, Dec 23 - Tue, Dec 31
6:10 am - 11:58 pmONT-SJO
15h 48m1 stop
2:20 pm - 10:29 pmSJO-ONT
10h 09m1 stop
$762United Airlines
Find Deal
Tue, Dec 24 - Thu, Dec 26
6:10 am - 11:58 pmONT-SJO
15h 48m1 stop
2:20 pm - 9:58 amSJO-ONT
21h 38m2 stops
$767United Airlines
Find Deal
Wed, Dec 25 - Fri, Dec 27
2:50 pm - 2:30 pmONT-LIR
21h 40m1 stop
1:25 pm - 9:12 amLIR-ONT
21h 47m2 stops
$782American Airlines
Find Deal
Wed, Dec 25 - Mon, Dec 30
6:52 am - 9:55 pmONT-SJO
13h 03m1 stop
2:19 pm - 10:52 pmSJO-ONT
10h 33m1 stop
$814Delta
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Tue, Dec 24 - Tue, Jan 14
6:52 am - 9:55 pmONT-SJO
13h 03m1 stop
2:19 pm - 10:52 pmSJO-ONT
10h 33m1 stop
$875Delta
Find Deal
Tue, Dec 24 - Mon, Jan 13
10:30 pm - 11:25 amONT-SJO
10h 55m1 stop
10:15 am - 9:00 pmSJO-ONT
12h 45m2 stops
$1,540Avianca
Find Deal
Tue, Dec 24 - Tue, Dec 31
10:30 pm - 11:25 amONT-SJO
10h 55m1 stop
9:35 am - 9:00 pmSJO-ONT
13h 25m1 stop
$1,555Avianca
Find Deal
Tue, Dec 24 - Sat, Jan 11
8:32 pm - 11:58 pmONT-SJO
25h 26m2 stops
1:18 am - 7:37 pmSJO-ONT
20h 19m2 stops
$1,911Alaska Airlines
Find Deal
Mon, Dec 23 - Mon, Dec 30
6:00 am - 7:33 amONT-LIR
23h 33m3 stops
6:18 pm - 7:37 pmLIR-ONT
27h 19m2 stops
$3,005Alaska Airlines
Find Deal
Wed, Dec 25 - Mon, Dec 30

Delta flights from Ontario to Costa Rica

Our best Delta deals on Ontario to Costa Rica flight tickets
Delta
Feb 1
ONT4:05 pmOntario
18h 37m
2 stops
LIR12:42 pmLiberia
Feb 4
LIR2:20 pmLiberia
10h 32m
1 stop
ONT10:52 pmOntario
Delta
Dec 29
ONT6:52 amOntario
13h 03m
1 stop
SJO9:55 pmSan José Juan Santamaria Intl
Jan 1
SJO7:05 amSan José Juan Santamaria Intl
14h 36m
1 stop
ONT7:41 pmOntario
Delta
Dec 30
ONT6:52 amOntario
13h 03m
1 stop
SJO9:55 pmSan José Juan Santamaria Intl
Jan 1
SJO7:05 amSan José Juan Santamaria Intl
14h 36m
1 stop
ONT7:41 pmOntario

Avianca flights from Ontario to Costa Rica

Our best Avianca deals on Ontario to Costa Rica flight tickets
Avianca
Feb 6
ONT10:30 pmOntario
10h 55m
1 stop
SJO11:25 amSan José Juan Santamaria Intl
Feb 20
SJO9:35 amSan José Juan Santamaria Intl
13h 25m
1 stop
ONT9:00 pmOntario
Avianca
Feb 20
ONT10:30 pmOntario
10h 55m
1 stop
SJO11:25 amSan José Juan Santamaria Intl
Feb 27
SJO3:10 pmSan José Juan Santamaria Intl
7h 50m
1 stop
ONT9:00 pmOntario
Avianca
Feb 20
ONT10:30 pmOntario
10h 55m
1 stop
SJO11:25 amSan José Juan Santamaria Intl
Mar 20
SJO3:10 pmSan José Juan Santamaria Intl
7h 50m
1 stop
ONT10:00 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 $324, 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 $437.

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 10 days ahead of your departure date. In general, you can expect to find flights to Costa Rica for around $517 when searching 10 days out. Keep in mind that you might also find cheap flights to Costa Rica outside of this time window. In fact, momondo users recently found flights from Ontario to Costa Rica for $193.

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

You could potentially save up to 24% on your flight if you consider stops on a Ontario to Costa Rica flight.

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 18m

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 $372.
The fastest flight from Ontario to Costa Rica takes 7h 18m
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
7.0
2,653 reviews
Search Avianca flights
United AirlinesPriceFrom $376Free CancellationRating
7.4
9,035 reviews
Search United Airlines flights
American AirlinesPriceFrom $442Free CancellationRating
7.2
10,000 reviews
Search American Airlines 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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