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Cheap flights from Ontario to Estonia from $526

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 8/14. 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
1 adult, Economy, 0 bags

Find the cheapest flights from Ontario to Estonia

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
1:13 pm - 5:10 pm
ONT
-
TLL
17h 57m
2 stops
United Airlines Logo
6:35 am - 8:56 pm
TLL
-
ONT
24h 21m
2 stops
$723United Airlines
Tue, Nov 17 - Fri, Nov 27
United Airlines Logo
6:46 am - 12:40 am
ONT
-
TLL
31h 54m
2 stops
United Airlines Logo
6:35 am - 6:29 pm
TLL
-
ONT
21h 54m
2 stops
$725United Airlines
Wed, Nov 11 - Sun, Nov 15
United Airlines Logo
6:46 am - 12:40 am
ONT
-
TLL
31h 54m
2 stops
United Airlines Logo
6:35 am - 6:29 pm
TLL
-
ONT
21h 54m
2 stops
$726United Airlines
Wed, Nov 11 - Sun, Nov 15
United Airlines Logo
7:00 am - 1:30 pm
ONT
-
TLL
20h 30m
2 stops
United Airlines Logo
6:10 am - 8:58 pm
TLL
-
ONT
24h 48m
2 stops
$856United Airlines
Thu, Sep 3 - Sat, Oct 10
United Airlines Logo
5:00 am - 12:40 am
ONT
-
TLL
33h 40m
2 stops
United Airlines Logo
1:35 pm - 6:29 pm
TLL
-
ONT
38h 54m
2 stops
$967United Airlines
Fri, Nov 20 - Sun, Nov 22
British Airways Logo
2:43 pm - 10:50 pm
ONT
-
TLL
46h 07m
2 stops
British Airways Logo
6:00 am - 6:47 pm
TLL
-
ONT
22h 47m
2 stops
$1,073British Airways
Sat, Aug 15 - Fri, Aug 28
Finnair Logo
10:47 am - 2:10 pm
ONT
-
TLL
17h 23m
2 stops
Finnair Logo
10:05 am - 6:22 pm
TLL
-
ONT
18h 17m
2 stops
$1,106Finnair
Wed, Nov 18 - Sun, Nov 29
United Airlines Logo
6:10 am - 12:35 am
ONT
-
TLL
32h 25m
2 stops
United Airlines Logo
6:10 am - 10:51 pm
TLL
-
ONT
26h 41m
2 stops
$1,249United Airlines
Sun, Jul 19 - Fri, Jul 31
United Airlines Logo
1:50 pm - 1:05 pm
ONT
-
TLL
37h 15m
3 stops
United Airlines Logo
6:10 am - 10:51 pm
TLL
-
ONT
26h 41m
2 stops
$1,260United Airlines
Sun, Jul 19 - Fri, Jul 31
United Airlines Logo
1:50 pm - 1:00 pm
ONT
-
TLL
37h 10m
3 stops
United Airlines Logo
6:10 am - 10:51 pm
TLL
-
ONT
26h 41m
2 stops
$1,433United Airlines
Fri, Jul 17 - Fri, Jul 31

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United Airlines flights from Ontario to Estonia

Our best United Airlines deals on Ontario to Estonia flight tickets
United Airlines
Nov 17
ONT1:13 pmOntario
17h 57m
2 stops
TLL5:10 pmTallinn
Nov 27
TLL6:35 amTallinn
24h 21m
2 stops
ONT8:56 pmOntario
$723
United Airlines
Nov 11
ONT6:46 amOntario
31h 54m
2 stops
TLL12:40 amTallinn
Nov 15
TLL6:35 amTallinn
21h 54m
2 stops
ONT6:29 pmOntario
$725
United Airlines
Nov 11
ONT6:46 amOntario
31h 54m
2 stops
TLL12:40 amTallinn
Nov 15
TLL6:35 amTallinn
21h 54m
2 stops
ONT6:29 pmOntario
$726

Turkish Airlines flights from Ontario to Estonia

Our best Turkish Airlines deals on Ontario to Estonia flight tickets
Turkish Airlines
Aug 23
ONT11:59 pmOntario
32h 41m
2 stops
TLL6:40 pmTallinn
Aug 27
TLL7:35 pmTallinn
60h 24m
2 stops
ONT9:59 pmOntario
$1,515
Turkish Airlines
Sep 23
ONT9:10 pmOntario
27h 10m
2 stops
TLL10:20 amTallinn
Oct 2
TLL11:15 amTallinn
42h 58m
2 stops
ONT8:13 pmOntario
$1,617
Turkish Airlines
Jul 29
ONT11:51 pmOntario
24h 29m
2 stops
TLL10:20 amTallinn
Aug 1
TLL7:35 pmTallinn
37h 09m
2 stops
ONT10:44 pmOntario
$5,080

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 June 27, 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

Tue 11/17

1:13 pm-5:10 pm

2 stops17h 57m

Tallinn

Fri 11/27

6:35 am-8:56 pm

2 stops24h 21m

$723

OntarioTallinn

ONT - TLL

ONTTLL

Ontario

Wed 11/11

6:46 am-12:40 am

2 stops31h 54m

Tallinn

Sun 11/15

6:35 am-6:29 pm

2 stops21h 54m

$725

OntarioTallinn

ONT - TLL

ONTTLL

Ontario

Wed 11/11

6:46 am-12:40 am

2 stops31h 54m

Tallinn

Sun 11/15

6:35 am-6:29 pm

2 stops21h 54m

$726

OntarioTallinn

ONT - TLL

ONTTLL

Ontario

Thu 9/3

7:00 am-1:30 pm

2 stops20h 30m

Tallinn

Sat 10/10

6:10 am-8:58 pm

2 stops24h 48m

$856

OntarioTallinn

ONT - TLL

ONTTLL

Ontario

Fri 11/20

5:00 am-12:40 am

2 stops33h 40m

Tallinn

Sun 11/22

1:35 pm-6:29 pm

2 stops38h 54m

$967

OntarioTallinn

ONT - TLL

ONTTLL

Ontario

Sat 8/15

2:43 pm-10:50 pm

2 stops46h 07m

Tallinn

Fri 8/28

6:00 am-6:47 pm

2 stops22h 47m

$1,073
Quickest round-trip

OntarioTallinn

ONT - TLL

ONTTLL

Ontario

Wed 11/18

10:47 am-2:10 pm

2 stops17h 23m

Tallinn

Sun 11/29

10:05 am-6:22 pm

2 stops18h 17m

$1,106

OntarioTallinn

ONT - TLL

ONTTLL

Ontario

Sun 7/19

6:10 am-12:35 am

2 stops32h 25m

Tallinn

Fri 7/31

6:10 am-10:51 pm

2 stops26h 41m

$1,249

OntarioTallinn

ONT - TLL

ONTTLL

Ontario

Sun 7/19

1:50 pm-1:05 pm

3 stops37h 15m

Tallinn

Fri 7/31

6:10 am-10:51 pm

2 stops26h 41m

$1,260

OntarioTallinn

ONT - TLL

ONTTLL

Ontario

Fri 7/17

1:50 pm-1:00 pm

3 stops37h 10m

Tallinn

Fri 7/31

6:10 am-10:51 pm

2 stops26h 41m

$1,433

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 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 United Airlines 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 37% 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

20h 30m

Direct flights

None
The fastest flight from Ontario to Estonia takes 20h 30m
There are no direct flights from Ontario to Estonia. There are no popular flight routes from Ontario to Estonia.
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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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