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Tallinn

$599+ Cheap flights from Ontario (ONT) to Tallinn (TLL)

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 7/21. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — TLL
Aug 10 — Aug 171
Mon 8/10
Mon 8/17
1 adult, Economy
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Cheap flight deals from Ontario to Tallinn

Cheapest flights from Ontario to Tallinn
Explore the most affordable flight options available from Ontario to Tallinn. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 11, 2026.

This United Airlines deal was found by Cheapflights users on 7/10. 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.
Tue 11/179:00 am
ONT
-
TLL
2 stops22h 10m
United Airlines
Thu 11/196:35 am
TLL
-
ONT
2 stops26h 18m
United Airlines
Deal found 7/10$748
This United Airlines deal was found by Cheapflights users on 7/6. 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 8/55:00 am
ONT
-
TLL
2 stops33h 15m
United Airlines
Wed 8/121:50 pm
TLL
-
ONT
3 stops40h 11m
United Airlines
Deal found 7/6$773
This United Airlines deal was found by Cheapflights users on 7/7. 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 7/186:10 am
ONT
-
TLL
3 stops56h 25m
United Airlines
Thu 9/101:55 pm
TLL
-
ONT
3 stops43h 04m
United Airlines
Deal found 7/7$938
This British Airways deal was found by Cheapflights users on 7/8. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2010:25 am
ONT
-
TLL
2 stops16h 00m
Multiple Airlines
Mon 10/1210:55 am
TLL
-
ONT
2 stops20h 16m
Multiple Airlines
Deal found 7/8$939
This United Airlines deal was found by Cheapflights users on 7/6. 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.
Sat 8/227:00 am
ONT
-
TLL
2 stops44h 05m
United Airlines
Fri 8/282:15 pm
TLL
-
ONT
2 stops42h 20m
United Airlines
Deal found 7/6$993
This United Airlines deal was found by Cheapflights users on 7/7. 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.
Tue 7/215:00 am
ONT
-
TLL
3 stops33h 25m
United Airlines
Thu 9/105:55 am
TLL
-
ONT
3 stops51h 04m
United Airlines
Deal found 7/7$1,005
This United Airlines deal was found by Cheapflights users on 7/7. 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 7/206:10 am
ONT
-
TLL
2 stops20h 55m
United Airlines
Sat 9/122:00 pm
TLL
-
ONT
2 stops41h 59m
United Airlines
Deal found 7/7$1,034
This United Airlines deal was found by Cheapflights users on 7/7. 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 7/186:10 am
ONT
-
TLL
3 stops56h 25m
United Airlines
Sun 9/136:10 am
TLL
-
ONT
3 stops50h 49m
United Airlines
Deal found 7/7$1,041
This Ovago deal was found by Cheapflights users on 7/7. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/206:10 am
ONT
-
TLL
2 stops20h 55m
Lufthansa
Fri 9/116:10 am
TLL
-
ONT
2 stops22h 01m
Lufthansa
Deal found 7/7$1,060
This United Airlines deal was found by Cheapflights users on 7/7. 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 7/235:00 am
ONT
-
TLL
3 stops33h 15m
United Airlines
Thu 9/101:55 pm
TLL
-
ONT
3 stops43h 04m
United Airlines
Deal found 7/7$1,106

Find flight deals from Ontario to Tallinn

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Tallinn (TLL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 11, 2026.

Most accurate provider

Ovago
3 stars

Most trusted provider

Ovago
3 stars

Round-trip from

$748
(United Airlines)

One-way from

$599
(United Airlines)

Popular in

February

Cheapest in

January

Average price

$912
Provider with most accurate pricing for Ontario-Tallinn flight deals.
Search Deals
Provider most trusted by Cheapflights users for Ontario-Tallinn flights.
Search Deals
From Ontario to Tallinn
Search Deals
One-way flight from Ontario to Tallinn
Search Deals
Highest demand for flights based on searches. 19% potential increase in price ($206 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 15% potential price decrease ($113 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 Tallinn 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 11, 2026.
Use the filters below to find and compare flights from Ontario to Tallinn that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioTallinn

ONT - TLL

ONTTLL

Ontario

Tue 11/17

9:00 am-5:10 pm

2 stops22h 10m

Tallinn

Thu 11/19

6:35 am-10:53 pm

2 stops26h 18m

$748

OntarioTallinn

ONT - TLL

ONTTLL

Ontario

Wed 8/5

5:00 am-12:15 am

2 stops33h 15m

Tallinn

Wed 8/12

1:50 pm-8:01 pm

3 stops40h 11m

$773
Quickest round-trip

OntarioTallinn

ONT - TLL

ONTTLL

Ontario

Mon 9/21

10:25 am-12:25 pm

2 stops16h 00m

Tallinn

Mon 10/12

10:55 am-6:44 pm

2 stops17h 49m

$939

OntarioTallinn

ONT - TLL

ONTTLL

Ontario

Sun 9/20

10:25 am-12:25 pm

2 stops16h 00m

Tallinn

Mon 10/12

10:55 am-9:11 pm

2 stops20h 16m

$939

OntarioTallinn

ONT - TLL

ONTTLL

Ontario

Sat 8/22

7:00 am-1:05 pm

2 stops44h 05m

Tallinn

Fri 8/28

2:15 pm-10:35 pm

2 stops42h 20m

$993

OntarioTallinn

ONT - TLL

ONTTLL

Ontario

Tue 7/21

5:00 am-12:25 am

3 stops33h 25m

Tallinn

Mon 9/14

6:10 am-10:59 pm

3 stops50h 49m

$1,198

OntarioTallinn

ONT - TLL

ONTTLL

Ontario

Wed 7/22

1:50 pm-12:15 am

3 stops48h 25m

Tallinn

Mon 7/27

6:10 am-10:51 pm

3 stops26h 41m

$1,200

OntarioTallinn

ONT - TLL

ONTTLL

Ontario

Thu 7/23

5:00 am-12:15 am

3 stops33h 15m

Tallinn

Sun 9/13

6:10 am-10:59 pm

3 stops50h 49m

$1,209

OntarioTallinn

ONT - TLL

ONTTLL

Ontario

Tue 7/21

10:25 am-3:45 pm

2 stops19h 20m

Tallinn

Thu 9/10

4:10 pm-8:07 pm

2 stops37h 57m

$1,270

OntarioTallinn

ONT - TLL

ONTTLL

Ontario

Mon 8/31

11:59 pm-10:20 am

2 stops24h 21m

Tallinn

Mon 9/7

11:15 am-8:13 pm

2 stops66h 58m

$1,306

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/10

Showing 1-10 of 13 resultsSorted by cheapest first
1
2
  • Most accurate provider: When it comes to deals on Ontario-Tallinn flights, users find the pricing of Ovago to be most consistent on Cheapflights vs. Ovago Users can find the same prices on Ontario-Tallinn flight deals on Cheapflights vs. Ovago >95% of the time. Price accuracy is based on data collected from Ontario-Tallinn flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Ontario-Tallinn flights, Cheapflights users trust Ovago the most. Ovago has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ontario-Tallinn flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Ontario to Tallinn

Have a flexible travel schedule? Discover the best time to fly to Tallinn 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.

Related info for your journey

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

  • How long is the flight from Ontario to Tallinn?

    For as low as $748, United Airlines can have you in Tallinn from Ontario in 22h 10m. Ontario and Tallinn are separated by a distance of 5626 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Ontario to Tallinn 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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