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Estonia

$527+ Cheap flights from Ontario (ONT) to Estonia

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/1. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — TLL
nov. 26 — dic. 31
mié. 11/26
mié. 12/3
1 adult, Economy
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Cheap flight deals from Ontario to Estonia

Keep the following information in mind while searching for Ontario to Estonia flight deals. Data was last updated octubre 27, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$593
(United Airlines)

One-way from

$527
(United Airlines)

Popular in

June

Cheapest in

November

Average price

$684
Provider with most accurate pricing for Los Angeles-Tallinn flight deals.
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Provider most trusted by Cheapflights users for Los Angeles-Tallinn flights.
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From Ontario to Estonia
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One-way flight from Ontario to Estonia
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Highest demand for flights based on searches. 15% potential increase in price ($122 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($25 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find flight deals from Ontario to Estonia

Cheapest flights from Ontario to Estonia
Explore the most affordable flight options available from Ontario to Estonia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on octubre 27, 2025.

This United Airlines deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/316:05 amONT - TLL
2 stops25h 55mUnited Airlines
dom. 11/301:55 pmTLL - ONT
2 stops39h 46mUnited Airlines
Deal found 10/26$1,462
This United Airlines deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/231:40 pmONT - TLL
2 stops48h 10mUnited Airlines
dom. 1/41:55 pmTLL - ONT
2 stops42h 30mUnited Airlines
Deal found 10/26$1,530

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Estonia that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated octubre 27, 2025.
Use the filters below to find and compare flights from Ontario to Estonia that are best for you.

Fly from

Ontario

Fly to

Estonia

Route

Depart

Return

Price

OntarioTallinn

ONT - TLL

ONTTLL

Ontario

mié. 3/4

5:00 am-11:55 pm

2 stops32h 55m

Tallinn

dom. 3/8

6:15 am-9:37 pm

2 stops25h 22m

$593

OntarioTallinn

ONT - TLL

ONTTLL

Ontario

mar. 12/23

1:40 pm-11:50 pm

2 stops48h 10m

Tallinn

dom. 1/4

1:55 pm-10:25 pm

2 stops42h 30m

$1,530

OntarioTallinn

ONT - TLL

ONTTLL

Ontario

sáb. 11/1

1:32 pm-5:10 pm

2 stops42h 38m

$527

OntarioTallinn

ONT - TLL

ONTTLL

Ontario

mar. 12/16

1:34 pm-4:50 pm

2 stops17h 16m

$743

OntarioTallinn

ONT - TLL

ONTTLL

Ontario

mar. 12/16

6:41 pm-5:10 pm

3 stops36h 29m

$844

OntarioTallinn

ONT - TLL

ONTTLL

Ontario

jue. 12/18

11:59 pm-1:10 pm

2 stops51h 11m

$1,126

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/25

Best time to book a flight from Ontario to Estonia

Have a flexible travel schedule? Discover the best time to fly to Estonia from Ontario with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Ontario to Estonia

What is the cheapest month to book a flight from Ontario to Estonia?

Currently, September is the cheapest month in which you can book a flight from Ontario to Estonia (average of $412). Flying from Ontario to Estonia in June is currently the most expensive (average of $707). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Estonia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Ontario to Estonia?

    If you book a flight to Estonia from Ontario, you will be flying from Ontario, which is the city’s only airport. Ontario (ONT) is located 3.1 mi from the center of Ontario.

  • How long is the flight from Ontario to Estonia?

    United Airlines can get you from Ontario to Estonia in just under 32h 55m. Your travel time can differ by up to . The distance between Ontario and Estonia is about 5626 mi.

  • Can I find deals for flights from Ontario to Estonia that include hotel bookings?

    Yes. In addition to deals on Ontario to Estonia flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Estonia?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Estonia.

  • Can I find deals for business class flights from Ontario to Estonia?

    Yes. Cheapflights offers flight deals from Ontario to Estonia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Ontario to Estonia?

    Currently, September is the cheapest month in which you can book a flight from Ontario to Estonia (average of $412). Flying from Ontario to Estonia in June is currently the most expensive (average of $707). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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