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Estonia

$526+ 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 8/13. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — TLL
Aug 30 — Sep 61
Sun 8/30
Sun 9/6
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 July 31, 2026.

This United Airlines deal was found by Cheapflights users on 7/29. 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 11/147:00 am
ONT
-
TLL
2 stops20h 00m
United Airlines
Sat 11/216:35 am
TLL
-
ONT
2 stops24h 16m
United Airlines
Deal found 7/29$728
This United Airlines deal was found by Cheapflights users on 7/27. 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 12/305:00 am
ONT
-
TLL
2 stops26h 10m
United Airlines
Sun 1/101:35 pm
TLL
-
ONT
2 stops32h 45m
United Airlines
Deal found 7/27$735
This United Airlines deal was found by Cheapflights users on 7/27. 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.
Fri 12/2511:20 am
ONT
-
TLL
2 stops27h 20m
United Airlines
Sun 1/101:35 pm
TLL
-
ONT
2 stops30h 22m
United Airlines
Deal found 7/27$738
This United Airlines deal was found by Cheapflights users on 7/27. 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.
Thu 12/314:00 pm
ONT
-
TLL
2 stops22h 40m
United Airlines
Sun 1/101:35 pm
TLL
-
ONT
2 stops32h 45m
United Airlines
Deal found 7/27$739
This United Airlines deal was found by Cheapflights users on 7/27. 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 12/305:00 am
ONT
-
TLL
2 stops26h 10m
United Airlines
Sat 1/95:55 pm
TLL
-
ONT
2 stops39h 11m
United Airlines
Deal found 7/27$750
This United Airlines deal was found by Cheapflights users on 7/27. 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 12/305:00 am
ONT
-
TLL
2 stops26h 10m
United Airlines
Fri 1/81:35 pm
TLL
-
ONT
2 stops40h 45m
United Airlines
Deal found 7/27$751
This United Airlines deal was found by Cheapflights users on 7/27. 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.
Fri 12/256:45 am
ONT
-
TLL
2 stops31h 55m
United Airlines
Sat 1/95:55 pm
TLL
-
ONT
2 stops39h 11m
United Airlines
Deal found 7/27$753
This United Airlines deal was found by Cheapflights users on 7/27. 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.
Fri 12/256:45 am
ONT
-
TLL
2 stops31h 55m
United Airlines
Fri 1/81:35 pm
TLL
-
ONT
2 stops40h 45m
United Airlines
Deal found 7/27$754
This United Airlines deal was found by Cheapflights users on 7/27. 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.
Thu 12/315:00 am
ONT
-
TLL
2 stops33h 40m
United Airlines
Fri 1/81:35 pm
TLL
-
ONT
2 stops40h 45m
United Airlines
Deal found 7/27$755
This United Airlines deal was found by Cheapflights users on 7/29. 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.
Sun 11/155:00 am
ONT
-
TLL
2 stops33h 40m
United Airlines
Thu 11/196:35 am
TLL
-
ONT
2 stops22h 12m
United Airlines
Deal found 7/29$757
This United Airlines deal was found by Cheapflights users on 7/28. 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.
Fri 9/117:00 am
ONT
-
TLL
2 stops20h 10m
United Airlines
Fri 9/186:10 am
TLL
-
ONT
2 stops26h 49m
United Airlines
Deal found 7/28$761

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 July 31, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$728
(United Airlines)

One-way from

$526
(United Airlines)

Popular in

February

Cheapest in

January

Average price

$934
Provider with most accurate pricing for Los Angeles Los Angeles-Tallinn flight deals.
Search Deals
Provider most trusted by Cheapflights users for Los Angeles 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. 17% potential increase in price ($183 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 14% potential price decrease ($111 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 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 July 31, 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

Thu 12/31

4:00 pm-12:40 am

2 stops22h 40m

Tallinn

Sun 1/10

1:35 pm-12:20 pm

2 stops32h 45m

$739

OntarioTallinn

ONT - TLL

ONTTLL

Ontario

Wed 12/30

5:00 am-5:10 pm

2 stops26h 10m

Tallinn

Sat 1/9

5:55 pm-11:06 pm

2 stops39h 11m

$750

OntarioTallinn

ONT - TLL

ONTTLL

Ontario

Sun 11/15

5:00 am-12:40 am

2 stops33h 40m

Tallinn

Thu 11/19

6:35 am-6:47 pm

2 stops22h 12m

$757

OntarioTallinn

ONT - TLL

ONTTLL

Ontario

Fri 9/11

7:00 am-1:10 pm

2 stops20h 10m

Tallinn

Fri 9/18

6:10 am-10:59 pm

2 stops26h 49m

$761

OntarioTallinn

ONT - TLL

ONTTLL

Ontario

Wed 8/19

7:00 am-1:10 pm

2 stops20h 10m

Tallinn

Tue 8/25

6:10 am-6:11 pm

2 stops22h 01m

$820

OntarioTallinn

ONT - TLL

ONTTLL

Ontario

Tue 12/29

5:00 am-5:10 pm

2 stops26h 10m

Tallinn

Sat 1/9

5:55 pm-11:06 pm

2 stops39h 11m

$843
Quickest round-trip

OntarioTallinn

ONT - TLL

ONTTLL

Ontario

Sun 8/16

6:00 am-1:05 pm

2 stops21h 05m

Tallinn

Fri 8/28

2:15 pm-10:59 pm

2 stops18h 44m

$871

OntarioTallinn

ONT - TLL

ONTTLL

Ontario

Sun 9/13

1:18 pm-12:35 am

2 stops25h 17m

Tallinn

Sat 9/19

2:00 pm-9:59 pm

2 stops41h 59m

$872
Cheapest one-way
Quickest one-way

OntarioTallinn

ONT - TLL

ONTTLL

Ontario

Thu 8/13

1:18 pm-12:15 am

2 stops24h 57m

$526

OntarioTallinn

ONT - TLL

ONTTLL

Ontario

Sat 8/15

5:00 am-12:25 am

2 stops33h 25m

$526

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

Showing 1-10 of 11 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 26h 10m. 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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