$523 Find Cheap Flights from Ontario to Estonia - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Ontario to Estonia departing on 8/11. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

Save 21% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Flight Deals
Useful Info
Flight Deals

Book Cheap Ontario to Estonia Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Ontario to Estonia that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Ontario to Estonia

Wed, Sep 16 - Wed, Sep 23
United Airlines Logo
7:00 am - 1:10 pmONT  Ontario-TLL Tallinn
20h 10m2 stops Chicago O'Hare Intl Frankfurt am Main
United Airlines Logo
6:10 am - 8:01 pmTLL  Tallinn-ONT Ontario
23h 51m2 stops Frankfurt am Main San Francisco
$785United Airlines
Sun, Nov 1 - Thu, Nov 5
United Airlines Logo
6:00 am - 12:40 amONT  Ontario-TLL Tallinn
32h 40m2 stops San Francisco Frankfurt am Main
United Airlines Logo
6:35 am - 8:15 pmTLL  Tallinn-ONT Ontario
23h 40m2 stops Frankfurt am Main San Francisco
$833United Airlines
Sun, Nov 1 - Thu, Nov 5
United Airlines Logo
4:17 pm - 5:10 pmONT  Ontario-TLL Tallinn
38h 53m2 stops San Francisco Frankfurt am Main
United Airlines Logo
6:35 am - 12:33 pmTLL  Tallinn-ONT Ontario
39h 58m2 stops Frankfurt am Main Denver Intl
$845United Airlines
Sun, Aug 16 - Fri, Aug 28
United Airlines Logo
6:00 am - 1:05 pmONT  Ontario-TLL Tallinn
21h 05m2 stops Houston George Bush Intcntl Frankfurt am Main
United Airlines Logo
2:15 pm - 10:59 pmTLL  Tallinn-ONT Ontario
18h 44m2 stops Frankfurt am Main San Francisco
$872United Airlines
Wed, Oct 7 - Wed, Oct 14
United Airlines Logo
7:00 am - 1:10 pmONT  Ontario-TLL Tallinn
20h 10m2 stops Chicago O'Hare Intl Frankfurt am Main
United Airlines Logo
1:50 pm - 10:51 pmTLL  Tallinn-ONT Ontario
19h 01m2 stops Frankfurt am Main San Francisco
$967United Airlines
Wed, Aug 26 - Mon, Aug 31
United Airlines Logo
7:00 am - 1:10 pmONT  Ontario-TLL Tallinn
20h 10m2 stops Chicago O'Hare Intl Frankfurt am Main
United Airlines Logo
1:50 pm - 10:59 pmTLL  Tallinn-ONT Ontario
19h 09m2 stops Frankfurt am Main San Francisco
$1,045United Airlines
Mon, Aug 17 - Mon, Aug 24
United Airlines Logo
6:00 am - 1:05 pmONT  Ontario-TLL Tallinn
21h 05m2 stops Houston George Bush Intcntl Frankfurt am Main
United Airlines Logo
1:50 pm - 8:53 pmTLL  Tallinn-ONT Ontario
41h 03m2 stops Frankfurt am Main Denver Intl
$1,056United Airlines
Useful Info

FAQs - booking Estonia flights

  • How does KAYAK find such low prices on flights from Ontario to Estonia?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Ontario to Estonia.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Ontario to Estonia?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Ontario to Estonia is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Ontario to Estonia?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from Ontario to Estonia with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Ontario to Estonia?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Ontario to Estonia up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight from Ontario to Estonia

Information on your arrival and departure airports

Ontario (ONT)