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Cheap flights from Ontario to Estonia from $477

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Estonia departing on 4/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Ontario to Estonia

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
5:45 am - 1:05 pm
ONT
-
TLL
21h 20m
2 stops
United Airlines Logo
6:10 am - 5:47 pm
TLL
-
ONT
21h 37m
2 stops
$605United Airlines
Mon, Aug 17 - Tue, Sep 29
United Airlines Logo
7:00 am - 12:35 am
ONT
-
TLL
31h 35m
2 stops
United Airlines Logo
1:50 pm - 9:59 pm
TLL
-
ONT
42h 09m
2 stops
$625United Airlines
Mon, Apr 6 - Mon, Sep 7
United Airlines Logo
5:45 am - 12:15 am
ONT
-
TLL
32h 30m
2 stops
United Airlines Logo
6:10 am - 9:59 pm
TLL
-
ONT
25h 49m
2 stops
$626United Airlines
Wed, Aug 12 - Sun, Aug 23
United Airlines Logo
7:00 am - 1:05 pm
ONT
-
TLL
20h 05m
2 stops
United Airlines Logo
6:10 am - 5:52 pm
TLL
-
ONT
21h 42m
2 stops
$655United Airlines
Sun, May 3 - Tue, May 19
United Airlines Logo
1:34 pm - 12:35 am
ONT
-
TLL
49h 01m
2 stops
United Airlines Logo
6:10 am - 6:19 pm
TLL
-
ONT
22h 09m
2 stops
$663United Airlines
Sun, Apr 5 - Mon, Sep 7
United Airlines Logo
7:00 am - 1:05 pm
ONT
-
TLL
20h 05m
2 stops
United Airlines Logo
1:50 pm - 9:59 pm
TLL
-
ONT
42h 09m
2 stops
$675United Airlines
Mon, Apr 6 - Mon, Sep 7
United Airlines Logo
1:18 pm - 5:10 pm
ONT
-
TLL
17h 52m
2 stops
United Airlines Logo
6:10 am - 6:19 pm
TLL
-
ONT
22h 09m
2 stops
$682United Airlines
Sun, Sep 6 - Wed, Sep 9
United Airlines Logo
7:00 am - 1:10 pm
ONT
-
TLL
20h 10m
2 stops
United Airlines Logo
6:10 am - 5:47 pm
TLL
-
ONT
21h 37m
2 stops
$709United Airlines
Wed, Apr 1 - Wed, Apr 8
United Airlines Logo
11:59 pm - 1:10 pm
ONT
-
TLL
28h 11m
2 stops
United Airlines Logo
6:10 am - 10:31 pm
TLL
-
ONT
26h 21m
2 stops
$754United Airlines
Mon, Mar 23 - Sun, Apr 5
United Airlines Logo
6:30 am - 1:05 pm
ONT
-
TLL
20h 35m
2 stops
United Airlines Logo
1:50 pm - 9:59 pm
TLL
-
ONT
42h 09m
2 stops
$844United Airlines
Mon, Aug 3 - Wed, Aug 19

United Airlines flights from Ontario to Estonia

Our best United Airlines deals on Ontario to Estonia flight tickets
United Airlines
Apr 6
ONT7:00 amOntario
31h 35m
2 stops
TLL12:35 amTallinn
Sep 7
TLL1:50 pmTallinn
42h 09m
2 stops
ONT9:59 pmOntario
$625
United Airlines
Aug 12
ONT5:45 amOntario
32h 30m
2 stops
TLL12:15 amTallinn
Aug 23
TLL6:10 amTallinn
25h 49m
2 stops
ONT9:59 pmOntario
$626
United Airlines
May 3
ONT7:00 amOntario
20h 05m
2 stops
TLL1:05 pmTallinn
May 19
TLL6:10 amTallinn
21h 42m
2 stops
ONT5:52 pmOntario
$655

Turkish Airlines flights from Ontario to Estonia

Our best Turkish Airlines deals on Ontario to Estonia flight tickets
Turkish Airlines
May 19
ONT11:25 pmOntario
33h 15m
2 stops
TLL6:40 pmTallinn
May 29
TLL11:15 amTallinn
43h 30m
2 stops
ONT8:45 pmOntario
$1,254
Turkish Airlines
May 25
ONT10:00 pmOntario
26h 20m
2 stops
TLL10:20 amTallinn
Jun 8
TLL7:35 pmTallinn
59h 10m
2 stops
ONT8:45 pmOntario
$1,719

momondo 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, momondo users made 832,500 searches. Data last updated March 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

Mon 8/17

5:45 am-1:05 pm

2 stops21h 20m

Tallinn

Tue 9/29

6:10 am-5:47 pm

2 stops21h 37m

$605

OntarioTallinn

ONT - TLL

ONTTLL

Ontario

Mon 4/6

7:00 am-12:35 am

2 stops31h 35m

Tallinn

Mon 9/7

1:50 pm-9:59 pm

2 stops42h 09m

$625

OntarioTallinn

ONT - TLL

ONTTLL

Ontario

Wed 8/12

5:45 am-12:15 am

2 stops32h 30m

Tallinn

Sun 8/23

6:10 am-9:59 pm

2 stops25h 49m

$626

OntarioTallinn

ONT - TLL

ONTTLL

Ontario

Sun 5/3

7:00 am-1:05 pm

2 stops20h 05m

Tallinn

Tue 5/19

6:10 am-5:52 pm

2 stops21h 42m

$655

OntarioTallinn

ONT - TLL

ONTTLL

Ontario

Sun 4/5

1:34 pm-12:35 am

2 stops49h 01m

Tallinn

Mon 9/7

6:10 am-6:19 pm

2 stops22h 09m

$663

OntarioTallinn

ONT - TLL

ONTTLL

Ontario

Mon 4/6

7:00 am-1:05 pm

2 stops20h 05m

Tallinn

Mon 9/7

1:50 pm-9:59 pm

2 stops42h 09m

$675
Quickest round-trip

OntarioTallinn

ONT - TLL

ONTTLL

Ontario

Sun 9/6

1:18 pm-5:10 pm

2 stops17h 52m

Tallinn

Wed 9/9

6:10 am-6:19 pm

2 stops22h 09m

$682

OntarioTallinn

ONT - TLL

ONTTLL

Ontario

Wed 4/1

7:00 am-1:10 pm

2 stops20h 10m

Tallinn

Wed 4/8

6:10 am-5:47 pm

2 stops21h 37m

$709

OntarioTallinn

ONT - TLL

ONTTLL

Ontario

Mon 3/23

11:59 pm-1:10 pm

2 stops28h 11m

Tallinn

Sun 4/5

6:10 am-10:31 pm

2 stops26h 21m

$754

OntarioTallinn

ONT - TLL

ONTTLL

Ontario

Mon 8/3

6:30 am-1:05 pm

2 stops20h 35m

Tallinn

Wed 8/19

1:50 pm-9:59 pm

2 stops42h 09m

$844

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 resultsSorted by cheapest first
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See travel insights to Estonia from

How to get the cheapest flight ticket from Ontario to Estonia

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Ontario to Estonia?

United Airlines is the most popular carrier operating from Ontario to Estonia

What airlines fly to Estonia?

Finnair, Scandinavian Airlines and Lufthansa are the top three most popular airlines that fly to Estonia from Ontario according to our data. Finnair is the first choice among our users, with 32% of people opting to fly with this airline when traveling to Estonia. Keep in mind that there are 5 different airlines that fly to Estonia on a routine basis, so you have a few additional options to choose from.

Cheap Ontario to Estonia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ontario to Estonia

Fastest flight time

17h 52m

Direct flights

None
The fastest flight from Ontario to Estonia takes 17h 52m
There are no direct flights from Ontario to Estonia. There are no popular flight routes from Ontario to Estonia.
Search flight deals

  • When did momondo last update prices for flights from Ontario Airport to Estonia?

    Prices for flights from Ontario Airport to Estonia were last updated today.

  • How old do you have to be to fly from Ontario Airport to Estonia?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Estonia.

  • What documentation or ID do you need to fly to Estonia?

    The necessary travel and health documents for your Estonia trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from Ontario to Estonia?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Ontario to Estonia. momondo saves you time and could save you money on your trip.

Can I find flights from Ontario to Estonia with flexible booking policies on momondo?

All flight searches from Ontario to Estonia on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Ontario to Estonia?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Ontario to Estonia.

I’m not ready to book a flight from Ontario to Estonia right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Ontario to Estonia flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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