HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Estonia

$631+ 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 7/16. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — TLL
Jul 12 — Jul 191
Sun 7/12
Sun 7/19
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Ontario to Estonia 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 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 12, 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
3 stops23h 51m
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.
Tue 8/189:15 am
ONT
-
TLL
2 stops17h 50m
United Airlines
Wed 9/166:10 am
TLL
-
ONT
2 stops22h 06m
United Airlines
Deal found 6/8$755
This United Airlines 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/221:18 pm
ONT
-
TLL
2 stops49h 17m
United Airlines
Sat 12/195:55 pm
TLL
-
ONT
2 stops39h 11m
United Airlines
Deal found 6/11$935
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 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
This United Airlines deal was found by Cheapflights users on 6/12. 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 7/276:00 am
ONT
-
TLL
2 stops32h 35m
United Airlines
Mon 8/31:50 pm
TLL
-
ONT
2 stops43h 01m
United Airlines
Deal found 6/12$1,181
This Turkish 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/159:10 pm
ONT
-
TLL
2 stops35h 30m
Turkish Airlines
Fri 9/1811:15 am
TLL
-
ONT
2 stops42h 58m
Turkish Airlines
Deal found 6/9$1,196
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.
Fri 7/245:00 am
ONT
-
TLL
2 stops33h 15m
United Airlines
Fri 7/316:10 am
TLL
-
ONT
2 stops26h 41m
United Airlines
Deal found 6/8$1,251
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 7/186:10 am
ONT
-
TLL
2 stops32h 15m
United Airlines
Mon 8/31:50 pm
TLL
-
ONT
2 stops43h 01m
United Airlines
Deal found 6/9$1,291

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 12, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$729
(United Airlines)

One-way from

$631
(KAYAK)

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 12, 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

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

7:00 am-12:15 am

2 stops31h 15m

Tallinn

Thu 9/17

5:55 am-6:11 pm

2 stops46h 16m

$755
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

OntarioTallinn

ONT - TLL

ONTTLL

Ontario

Mon 7/27

6:00 am-12:35 am

2 stops32h 35m

Tallinn

Mon 8/3

1:50 pm-10:51 pm

2 stops43h 01m

$1,181

OntarioTallinn

ONT - TLL

ONTTLL

Ontario

Tue 9/15

9:10 pm-6:40 pm

2 stops35h 30m

Tallinn

Fri 9/18

11:15 am-8:13 pm

2 stops42h 58m

$1,196

OntarioTallinn

ONT - TLL

ONTTLL

Ontario

Fri 7/24

5:00 am-12:15 am

2 stops33h 15m

Tallinn

Fri 7/31

6:10 am-10:51 pm

2 stops26h 41m

$1,251

OntarioTallinn

ONT - TLL

ONTTLL

Ontario

Sat 7/18

6:10 am-12:25 am

2 stops32h 15m

Tallinn

Mon 8/3

6:10 am-10:51 pm

3 stops26h 41m

$1,353

OntarioTallinn

ONT - TLL

ONTTLL

Ontario

Fri 7/24

1:50 pm-1:00 pm

3 stops37h 10m

Tallinn

Sun 8/2

6:10 am-10:51 pm

2 stops26h 41m

$1,365

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/9

Showing 1-10 of 22 resultsSorted by cheapest first
1
2
3

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

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.

Alternative routes for Ontario to Estonia

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Heathrow flights
Los Angeles to Charles de Gaulle flights
Los Angeles to Leonardo da Vinci/Fiumicino flights
San Francisco to Heathrow flights
San Francisco to Charles de Gaulle flights
San Francisco to Leonardo da Vinci/Fiumicino flights
San Francisco to Barcelona-El Prat flights
Los Angeles to Istanbul flights
Los Angeles to Gatwick flights
Los Angeles to Madrid flights
Los Angeles to Stansted flights
Los Angeles to Frankfurt flights
San Francisco to Istanbul flights
Los Angeles to London City flights
Los Angeles to Barcelona-El Prat flights
Los Angeles to Dublin flights
San Francisco to Gatwick flights
San Francisco to Frankfurt flights
San Francisco to London City flights
San Francisco to Stansted flights
Los Angeles to Amsterdam flights
Los Angeles to Athens flights
Los Angeles to Orly flights
Los Angeles to Malpensa flights
San Francisco to Dublin flights
San Diego to Heathrow flights
San Francisco to Amsterdam flights
Ontario to Heathrow flights
San Francisco to Madrid flights
San Francisco to Malpensa flights
San Francisco to Zurich flights
San Francisco to Athens flights
Los Angeles to Zurich flights
San Francisco to Linate flights
San Francisco to Lisbon flights
Los Angeles to Frederic Chopin flights
Los Angeles to Luton flights
Los Angeles to Copenhagen flights
Ontario to Leonardo da Vinci/Fiumicino flights
Los Angeles to Lisbon flights
San Francisco to Munich flights
Los Angeles to Keflavik Intl flights
Los Angeles to Munich flights
Las Vegas to Heathrow flights

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.