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Tallinn

$419+ 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 7/23. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — TLL
jun. 17 — jun. 241
mar. 6/17
mar. 6/24
1 adult, Economy
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Cheap 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 junio 12, 2025.

Round-trip from

$633
(United Airlines)

One-way from

$419
(United Airlines)

Popular in

June

Cheapest in

February

Average price

$1,002
From Ontario to Tallinn
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One-way flight from Ontario to Tallinn
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Highest demand for flights based on searches. 21% potential increase in price ($183 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($29 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find 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 junio 12, 2025.

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.
mié. 7/237:00 amONT - TLL
2 stops25h 00mUnited Airlines
jue. 9/46:00 amTLL - ONT
2 stops24h 43mUnited Airlines
Deal found 6/10$633
This United deal was found by Cheapflights users on 6/11. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 8/77:00 amONT - TLL
2 stops31h 15mMultiple Airlines
sáb. 8/166:00 amTLL - ONT
2 stops21h 58mMultiple Airlines
Deal found 6/11$1,038
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 8/319:50 amONT - TLL
2 stops24h 05mDelta
vie. 9/197:30 amTLL - ONT
2 stops26h 16mDelta
Deal found 6/10$1,055

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 junio 12, 2025.
Use the filters below to find and compare flights from Ontario to Tallinn that are best for you.

Fly from

Ontario

Fly to

Tallinn

Route

Depart

Return

Price

OntarioTallinn

ONT - TLL

ONTTLL

Ontario

mié. 7/23

7:00 am-6:00 pm

2 stops25h 00m

Tallinn

jue. 9/4

6:00 am-8:43 pm

2 stops24h 43m

$633

OntarioTallinn

ONT - TLL

ONTTLL

Ontario

jue. 8/7

7:00 am-12:15 am

2 stops31h 15m

Tallinn

sáb. 8/16

6:00 am-5:58 pm

2 stops21h 58m

$1,038

OntarioTallinn

ONT - TLL

ONTTLL

Ontario

dom. 8/31

9:50 am-7:55 pm

2 stops24h 05m

Tallinn

vie. 9/19

7:30 am-11:46 pm

2 stops26h 16m

$1,055

OntarioTallinn

ONT - TLL

ONTTLL

Ontario

mié. 7/23

1:19 pm-12:20 am

2 stops25h 01m

$419

OntarioTallinn

ONT - TLL

ONTTLL

Ontario

lun. 6/23

4:50 pm-11:35 pm

2 stops20h 45m

$949

OntarioTallinn

ONT - TLL

ONTTLL

Ontario

mar. 6/24

11:59 pm-5:45 pm

2 stops31h 46m

$2,932

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

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.

Cheapflights Insights

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

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

Currently, November is the cheapest month in which you can book a flight from Ontario to Tallinn (average of $550). Flying from Ontario to Tallinn in June is currently the most expensive (average of $988). 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.

Rainfall in Tallinn by month

Plan your trip to Tallinn by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Tallinn ranges from 1.3 - 3.3 inches per month. August is typically the wettest month, when rainfall can reach 3.3 in. February is typically the driest time to visit Tallinn when rainfall is around 1.3 in.

Temperature in Tallinn by month

Plan your trip to Tallinn by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Tallinn, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of February, when temperatures are typically at their lowest (around 23.0 F).

Reviews of airlines servicing Tallinn

Get insights into the airlines that provide service to Tallinn. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Tallinn. Reviews last updated junio 12, 2025.
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
LOT
7.6
Good
1,077 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,790 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
British Airways
6.6
Okay
7,008 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.

  • What are the cheapest airlines to fly from Ontario to Tallinn one-way?

    One-way options have recently been found by users for as low as $419 on United Airlines. Other airlines that offer cheap prices include British Airways from $949 and LOT from $2,932 one-way.

  • 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.

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

    Currently, November is the cheapest month in which you can book a flight from Ontario to Tallinn (average of $550). Flying from Ontario to Tallinn in June is currently the most expensive (average of $988). 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.

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