HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Tallinn

$651+ Cheap flights from Ontario (ONT) to Tallinn (TLL)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/7. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — TLL
Apr 5 — Apr 121
Sat 4/5
Sat 4/12
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Ontario to Tallinn with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 March 31, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$651
(United Airlines)

Popular in

June

Cheapest in

February

Average price

$659
Provider with most accurate pricing for Ontario-Tallinn Ulemiste flight deals.
Search Deals
Provider most trusted by Cheapflights users for Ontario-Tallinn Ulemiste flights.
Search Deals
From Ontario to Tallinn Ulemiste
Search Deals
Highest demand for flights based on searches. 20% potential increase in price ($185 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($34 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2025
Search Deals

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 March 31, 2025.

This United Airlines deal was found by Cheapflights users on 3/30. 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 5/73:10 pmONT - TLL
2 stops23h 10mUnited Airlines
Tue 5/206:00 amTLL - ONT
2 stops24h 34mUnited Airlines
Deal found 3/30$651
This American Airlines deal was found by Cheapflights users on 3/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/137:30 amONT - TLL
2 stops22h 40mMultiple Airlines
Tue 5/2010:55 amTLL - ONT
2 stops17h 41mMultiple Airlines
Deal found 3/29$918

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 March 31, 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

Wed 5/7

3:10 pm-12:20 am

2 stops23h 10m

Tallinn Ulemiste

Tue 5/20

6:00 am-8:34 pm

2 stops24h 34m

$651

OntarioTallinn

ONT - TLL

ONTTLL

Ontario

Tue 5/13

7:30 am-4:10 pm

2 stops22h 40m

Tallinn Ulemiste

Tue 5/20

10:55 am-6:36 pm

2 stops17h 41m

$918

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/30

  • Most accurate provider: When it comes to deals on Ontario-Tallinn flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Ontario-Tallinn flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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.

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 $1,054). 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 March 31, 2025.
United Airlines
7.4
Good
8,614 reviews

Food

6.6

Boarding

7.7

Crew

8.1

Entertainment

7.0

Overall

7.4

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,614 reviews
United Airlines
7.4
Good
8,614 reviews

Food

6.6

Boarding

7.7

Crew

8.1

Entertainment

7.0

Overall

7.4

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

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.

  • 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 $1,054). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.