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Cheap flights from Ontario to Estonia from $389

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 9/16. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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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
7:00 am - 1:05 pm
ONT
-
TLL
20h 05m
2 stops
United Airlines Logo
6:10 am - 8:16 pm
TLL
-
ONT
24h 06m
3 stops
$755United Airlines
Sun, Sep 6 - Tue, Oct 6
United Airlines Logo
5:45 am - 1:30 pm
ONT
-
TLL
21h 45m
2 stops
United Airlines Logo
6:10 am - 9:55 pm
TLL
-
ONT
25h 45m
2 stops
$1,049United Airlines
Thu, Jun 4 - Tue, Jun 16
United Airlines Logo
5:45 am - 1:30 pm
ONT
-
TLL
21h 45m
2 stops
United Airlines Logo
6:10 am - 9:59 pm
TLL
-
ONT
25h 49m
2 stops
$1,107United Airlines
Thu, Jun 4 - Sat, Sep 5
United Airlines Logo
5:45 am - 1:10 pm
ONT
-
TLL
21h 25m
2 stops
United Airlines Logo
1:50 pm - 9:55 pm
TLL
-
ONT
42h 05m
2 stops
$1,163United Airlines
Wed, Jun 24 - Mon, Jul 6
United Airlines Logo
5:45 am - 5:05 pm
ONT
-
TLL
25h 20m
2 stops
United Airlines Logo
6:10 am - 9:57 pm
TLL
-
ONT
25h 47m
2 stops
$1,215United Airlines
Thu, Jun 4 - Sat, Jul 4
United Airlines Logo
5:45 am - 1:00 pm
ONT
-
TLL
21h 15m
2 stops
United Airlines Logo
1:50 pm - 9:55 pm
TLL
-
ONT
42h 05m
2 stops
$1,233United Airlines
Sat, Jun 20 - Tue, Jun 30
United Airlines Logo
10:37 am - 5:35 pm
ONT
-
TLL
20h 58m
2 stops
United Airlines Logo
6:10 am - 5:52 pm
TLL
-
ONT
21h 42m
2 stops
$1,234United Airlines
Fri, May 15 - Tue, May 19
United Airlines Logo
5:45 am - 1:10 pm
ONT
-
TLL
21h 25m
2 stops
United Airlines Logo
6:10 am - 6:19 pm
TLL
-
ONT
22h 09m
2 stops
$1,263United Airlines
Fri, Jun 5 - Fri, Sep 4
United Airlines Logo
6:59 pm - 5:35 pm
ONT
-
TLL
36h 36m
2 stops
United Airlines Logo
6:10 am - 10:59 pm
TLL
-
ONT
26h 49m
2 stops
$1,274United Airlines
Thu, May 14 - Mon, May 18
United Airlines Logo
1:18 pm - 12:35 am
ONT
-
TLL
49h 17m
2 stops
United Airlines Logo
1:45 pm - 10:51 pm
TLL
-
ONT
43h 06m
2 stops
$1,284United Airlines
Sun, Jul 19 - Sun, Aug 2

United Airlines flights from Ontario to Estonia

Our best United Airlines deals on Ontario to Estonia flight tickets
United Airlines
Sep 6
ONT7:00 amOntario
20h 05m
2 stops
TLL1:05 pmTallinn
Oct 6
TLL6:10 amTallinn
24h 06m
3 stops
ONT8:16 pmOntario
$755
United Airlines
May 2
ONT10:43 amOntario
64h 22m
3 stops
TLL1:05 pmTallinn
May 10
TLL6:10 amTallinn
26h 49m
2 stops
ONT10:59 pmOntario
$831
United Airlines
May 2
ONT7:00 amOntario
20h 00m
2 stops
TLL1:00 pmTallinn
May 10
TLL1:45 pmTallinn
19h 14m
2 stops
ONT10:59 pmOntario
$1,016

Turkish Airlines flights from Ontario to Estonia

Our best Turkish Airlines deals on Ontario to Estonia flight tickets
Turkish Airlines
May 23
ONT10:41 pmOntario
25h 39m
2 stops
TLL10:20 amTallinn
May 26
TLL7:35 pmTallinn
59h 12m
2 stops
ONT8:47 pmOntario
$1,330
Turkish Airlines
May 23
ONT10:41 pmOntario
57h 59m
2 stops
TLL6:40 pmTallinn
May 27
TLL11:15 amTallinn
43h 32m
2 stops
ONT8:47 pmOntario
$1,355
Turkish Airlines
May 22
ONT10:41 pmOntario
33h 59m
2 stops
TLL6:40 pmTallinn
May 26
TLL7:35 pmTallinn
59h 12m
2 stops
ONT8:47 pmOntario
$1,589

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 April 30, 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

Sun 9/6

7:00 am-1:05 pm

2 stops20h 05m

Tallinn

Tue 10/6

6:10 am-8:16 pm

3 stops24h 06m

$755

OntarioTallinn

ONT - TLL

ONTTLL

Ontario

Thu 6/4

5:45 am-1:30 pm

2 stops21h 45m

Tallinn

Tue 6/16

6:10 am-9:55 pm

2 stops25h 45m

$1,049

OntarioTallinn

ONT - TLL

ONTTLL

Ontario

Thu 6/4

5:45 am-1:30 pm

2 stops21h 45m

Tallinn

Sat 9/5

6:10 am-9:59 pm

2 stops25h 49m

$1,107

OntarioTallinn

ONT - TLL

ONTTLL

Ontario

Wed 6/24

5:45 am-1:10 pm

2 stops21h 25m

Tallinn

Mon 7/6

1:50 pm-9:55 pm

2 stops42h 05m

$1,163

OntarioTallinn

ONT - TLL

ONTTLL

Ontario

Thu 6/4

5:45 am-5:05 pm

2 stops25h 20m

Tallinn

Sat 7/4

6:10 am-9:57 pm

2 stops25h 47m

$1,215

OntarioTallinn

ONT - TLL

ONTTLL

Ontario

Sat 6/20

5:45 am-1:00 pm

2 stops21h 15m

Tallinn

Tue 6/30

1:50 pm-9:55 pm

2 stops42h 05m

$1,233
Quickest round-trip

OntarioTallinn

ONT - TLL

ONTTLL

Ontario

Fri 5/15

10:37 am-5:35 pm

2 stops20h 58m

Tallinn

Tue 5/19

6:10 am-5:52 pm

2 stops21h 42m

$1,234

OntarioTallinn

ONT - TLL

ONTTLL

Ontario

Fri 6/5

5:45 am-1:10 pm

2 stops21h 25m

Tallinn

Fri 9/4

6:10 am-6:19 pm

2 stops22h 09m

$1,263

OntarioTallinn

ONT - TLL

ONTTLL

Ontario

Thu 5/14

6:59 pm-5:35 pm

2 stops36h 36m

Tallinn

Mon 5/18

6:10 am-10:59 pm

2 stops26h 49m

$1,274

OntarioTallinn

ONT - TLL

ONTTLL

Ontario

Sun 7/19

1:18 pm-12:35 am

2 stops49h 17m

Tallinn

Sun 8/2

1:45 pm-10:51 pm

2 stops43h 06m

$1,284

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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?

Scandinavian Airlines, Finnair and Lufthansa are the top three most popular airlines that fly to Estonia from Ontario according to our data. Scandinavian Airlines is the first choice among our users, with 34% 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

21h 15m

Direct flights

None
The fastest flight from Ontario to Estonia takes 21h 15m
There are no direct flights from Ontario to Estonia. There are no popular flight routes from Ontario to Estonia.
Search flight deals

Frequently asked questions about flying from Ontario to Estonia

  • 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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Find better results for your trip to Estonia

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