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Estonia

$371+ 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 9/13. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — TLL
Jul 10 — Jul 171
Fri 7/10
Fri 7/17
1 adult, Economy
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Cheap 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 June 10, 2026.

This United Airlines deal was found by Cheapflights users on 6/9. 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.
Sat 8/157:00 am
ONT
-
TLL
2 stops20h 00m
United Airlines
Sat 8/226:10 am
TLL
-
ONT
2 stops22h 02m
United Airlines
Deal found 6/9$729
This United Airlines deal was found by Cheapflights users on 6/10. 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.
Mon 8/171:18 pm
ONT
-
TLL
2 stops17h 57m
United Airlines
Tue 9/16:10 am
TLL
-
ONT
2 stops22h 01m
United Airlines
Deal found 6/10$754
This United Airlines deal was found by Cheapflights users on 6/8. 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.
Wed 8/265:00 am
ONT
-
TLL
2 stops33h 15m
United Airlines
Thu 9/175:55 am
TLL
-
ONT
3 stops24h 06m
United Airlines
Deal found 6/8$755
This KAYAK deal was found by Cheapflights users on 6/6. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/267:00 am
ONT
-
TLL
2 stops20h 10m
Lufthansa
Thu 9/175:55 am
TLL
-
ONT
2 stops24h 06m
Lufthansa
Deal found 6/6$756
This BusinessClass deal was found by Cheapflights users on 6/6. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/61:50 pm
ONT
-
TLL
2 stops24h 45m
Lufthansa
Mon 7/135:55 pm
TLL
-
ONT
2 stops38h 56m
Lufthansa
Deal found 6/6$907
This United Airlines deal was found by Cheapflights users on 6/6. 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.
Wed 8/265:00 am
ONT
-
TLL
3 stops26h 15m
United Airlines
Fri 9/186:10 am
TLL
-
ONT
2 stops26h 49m
United Airlines
Deal found 6/6$1,042
This United Airlines deal was found by Cheapflights users on 6/6. 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.
Mon 7/66:39 pm
ONT
-
TLL
2 stops43h 46m
United Airlines
Mon 7/136:10 am
TLL
-
ONT
3 stops40h 02m
United Airlines
Deal found 6/6$1,064
This BusinessClass deal was found by Cheapflights users on 6/10. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1910:29 am
ONT
-
TLL
2 stops15h 56m
Finnair
Wed 9/210:55 am
TLL
-
ONT
2 stops17h 52m
Finnair
Deal found 6/10$1,080
This United Airlines deal was found by Cheapflights users on 6/6. 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.
Mon 6/296:10 am
ONT
-
TLL
2 stops20h 55m
United Airlines
Mon 7/66:10 am
TLL
-
ONT
2 stops25h 45m
United Airlines
Deal found 6/6$1,150
This KAYAK deal was found by Cheapflights users on 6/8. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/2910:47 am
ONT
-
TLL
2 stops20h 08m
Finnair
Sun 12/610:05 am
TLL
-
ONT
2 stops18h 13m
Finnair
Deal found 6/8$1,152

Find flight deals from Ontario to Estonia

Keep the following information in mind while searching for Ontario to Estonia flight deals. Data was last updated June 10, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$729
(United Airlines)

One-way from

$371
(United Airlines)

Popular in

February

Cheapest in

January

Average price

$1,099
Provider with most accurate pricing for Los Angeles-Tallinn flight deals.
Search Deals
Provider most trusted by Cheapflights users for Los Angeles-Tallinn flights.
Search Deals
From Ontario to Estonia
Search Deals
One-way flight from Ontario to Estonia
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($36 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($56 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

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 June 10, 2026.
Use the filters below to find and compare flights from Ontario to Estonia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioTallinn

ONT - TLL

ONTTLL

Ontario

Sat 8/15

7:00 am-1:00 pm

2 stops20h 00m

Tallinn

Sat 8/22

6:10 am-6:12 pm

2 stops22h 02m

$729

OntarioTallinn

ONT - TLL

ONTTLL

Ontario

Mon 8/17

1:18 pm-5:15 pm

2 stops17h 57m

Tallinn

Tue 9/1

6:10 am-8:01 pm

3 stops23h 51m

$754

OntarioTallinn

ONT - TLL

ONTTLL

Ontario

Wed 8/26

7:00 am-12:15 am

2 stops31h 15m

Tallinn

Thu 9/17

5:55 am-6:11 pm

2 stops46h 16m

$755

OntarioTallinn

ONT - TLL

ONTTLL

Ontario

Tue 8/18

9:15 am-1:05 pm

2 stops17h 50m

Tallinn

Wed 9/16

6:10 am-6:16 pm

2 stops22h 06m

$755

OntarioTallinn

ONT - TLL

ONTTLL

Ontario

Wed 8/26

5:00 am-5:15 pm

3 stops26h 15m

Tallinn

Fri 9/18

6:10 am-10:59 pm

2 stops26h 49m

$1,042
Quickest round-trip

OntarioTallinn

ONT - TLL

ONTTLL

Ontario

Sun 11/29

10:47 am-4:55 pm

2 stops20h 08m

Tallinn

Sun 12/6

10:05 am-6:18 pm

2 stops18h 13m

$1,152
Cheapest one-way

OntarioTallinn

ONT - TLL

ONTTLL

Ontario

Sun 9/13

7:00 am-1:05 pm

2 stops20h 05m

$371

OntarioTallinn

ONT - TLL

ONTTLL

Ontario

Sat 9/12

1:56 pm-1:05 pm

2 stops61h 09m

$409

OntarioTallinn

ONT - TLL

ONTTLL

Ontario

Sun 7/19

6:10 am-12:35 am

2 stops32h 25m

$560

OntarioTallinn

ONT - TLL

ONTTLL

Ontario

Tue 7/21

6:00 am-5:15 pm

2 stops25h 15m

$560

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/5

Showing 1-10 of 15 resultsSorted by cheapest first
1
2

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
No data available for this route at this time. Please check back soon.

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 20h. 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.

See more FAQs

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