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$562+ Cheap flights from Ontario (ONT) to Istanbul

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 3/11. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — IST
Apr 2 — Apr 91
Thu 4/2
Thu 4/9
1 adult, Economy
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Cheap flight deals from Ontario to Istanbul

Cheapest flights from Ontario to Istanbul
Explore the most affordable flight options available from Ontario to Istanbul. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 3, 2026.

This United Airlines deal was found by Cheapflights users on 3/1. 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.
Wed 10/281:00 pm
ONT
-
IST
2 stops19h 05m
United Airlines
Wed 11/46:30 am
IST
-
ONT
2 stops22h 17m
United Airlines
Deal found 3/1$714
This Delta deal was found by Cheapflights users on 2/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/147:00 am
ONT
-
IST
2 stops34h 30m
Delta
Tue 4/216:00 am
IST
-
ONT
2 stops26h 37m
Delta
Deal found 2/28$739
This Ovago deal was found by Cheapflights users on 2/28. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/171:20 pm
ONT
-
SAW
2 stops22h 00m
Multiple Airlines
Thu 5/78:50 am
SAW
-
ONT
2 stops22h 58m
Multiple Airlines
Deal found 2/28$758
This United Airlines deal was found by Cheapflights users on 2/26. 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.
Sun 4/127:00 am
ONT
-
IST
2 stops24h 00m
United Airlines
Sun 4/195:50 am
IST
-
ONT
2 stops26h 55m
United Airlines
Deal found 2/26$778
This United Airlines deal was found by Cheapflights users on 2/26. 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 4/136:00 am
ONT
-
IST
2 stops29h 25m
United Airlines
Mon 4/201:55 pm
IST
-
ONT
2 stops38h 07m
United Airlines
Deal found 2/26$784
This United Airlines deal was found by Cheapflights users on 3/3. 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.
Sun 5/310:37 am
ONT
-
IST
2 stops24h 58m
United Airlines
Sun 5/105:50 am
IST
-
ONT
2 stops27h 09m
United Airlines
Deal found 3/3$798
This Delta deal was found by Cheapflights users on 3/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/166:00 am
ONT
-
IST
2 stops35h 30m
Delta
Thu 4/236:00 am
IST
-
ONT
2 stops27h 44m
Delta
Deal found 3/2$802
This United Airlines deal was found by Cheapflights users on 3/1. 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 5/21:40 pm
ONT
-
IST
2 stops45h 55m
United Airlines
Sun 5/105:50 am
IST
-
ONT
2 stops22h 02m
United Airlines
Deal found 3/1$804
This KLM deal was found by Cheapflights users on 2/27. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/3111:59 am
ONT
-
SAW
2 stops23h 01m
KLM
Tue 4/148:50 am
SAW
-
ONT
2 stops22h 10m
KLM
Deal found 2/27$809
This United Airlines deal was found by Cheapflights users on 2/28. 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 4/141:34 pm
ONT
-
IST
2 stops45h 51m
United Airlines
Sun 4/265:50 am
IST
-
ONT
2 stops40h 30m
United Airlines
Deal found 2/28$810
This KLM deal was found by Cheapflights users on 2/28. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/171:20 pm
ONT
-
SAW
2 stops22h 00m
KLM
Thu 5/78:50 am
SAW
-
ONT
2 stops22h 58m
KLM
Deal found 2/28$810
This KLM deal was found by Cheapflights users on 3/2. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/81:20 pm
ONT
-
IST
2 stops26h 00m
KLM
Tue 4/144:25 am
IST
-
ONT
2 stops22h 50m
KLM
Deal found 3/2$815

Find flight deals from Ontario to Istanbul

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Istanbul (TR5). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated March 3, 2026.

Round-trip from

$728
(United Airlines)

One-way from

$562
(oojo)

Popular in

June

Cheapest in

January

Average price

$826
From Ontario to Istanbul
Search Deals
One-way flight from Ontario to Istanbul
Search Deals
Highest demand for flights based on searches. 18% potential increase in price ($228 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($40 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Istanbul 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 March 3, 2026.
Use the filters below to find and compare flights from Ontario to Istanbul that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

OntarioIstanbul

ONT - IST

ONTIST

Ontario

Thu 4/16

6:00 am-3:30 am

2 stops35h 30m

Istanbul

Thu 4/23

6:00 am-11:44 pm

2 stops27h 44m

$802

OntarioIstanbul

ONT - SAW

ONTSAW

Ontario

Tue 3/17

1:20 pm-9:20 pm

2 stops22h 00m

Istanbul Sabiha Gokcen

Thu 5/7

8:50 am-9:48 pm

2 stops22h 58m

$810

OntarioIstanbul

ONT - IST

ONTIST

Ontario

Wed 4/8

1:20 pm-1:20 am

2 stops26h 00m

Istanbul

Tue 4/14

4:25 am-5:15 pm

2 stops22h 50m

$815

OntarioIstanbul

ONT - IST

ONTIST

Ontario

Sun 4/5

1:27 pm-9:35 pm

2 stops22h 08m

Istanbul

Thu 4/16

5:40 am-9:50 pm

2 stops26h 10m

$848

OntarioIstanbul

ONT - IST

ONTIST

Ontario

Sun 5/3

6:00 am-9:35 pm

2 stops29h 35m

Istanbul

Sun 5/17

5:50 am-10:59 pm

2 stops27h 09m

$889

OntarioIstanbul

ONT - IST

ONTIST

Ontario

Wed 3/25

1:20 pm-4:55 pm

2 stops17h 35m

Istanbul

Fri 4/10

6:00 am-11:51 pm

2 stops27h 51m

$941

OntarioIstanbul

ONT - IST

ONTIST

Ontario

Wed 4/8

1:27 pm-9:25 pm

2 stops21h 58m

Istanbul

Thu 4/30

5:40 am-5:52 pm

2 stops22h 12m

$948

OntarioIstanbul

ONT - SAW

ONTSAW

Ontario

Tue 3/17

1:20 pm-5:25 pm

2 stops18h 05m

Istanbul Sabiha Gokcen

Tue 4/7

8:50 am-10:34 pm

2 stops23h 44m

$954

OntarioIstanbul

ONT - IST

ONTIST

Ontario

Tue 5/12

7:00 am-1:00 pm

2 stops20h 00m

Istanbul

Fri 5/22

5:40 am-9:55 pm

2 stops26h 15m

$969

OntarioIstanbul

ONT - IST

ONTIST

Ontario

Mon 4/13

1:27 pm-9:25 pm

2 stops21h 58m

Istanbul

Thu 4/23

5:40 am-9:50 pm

2 stops26h 10m

$1,038

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/28

Showing 1-10 of 46 resultsSorted by cheapest first
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Best time to book a flight from Ontario to Istanbul

Have a flexible travel schedule? Discover the best time to fly to Istanbul 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 Istanbul

What is the cheapest month to book a flight from Ontario to Istanbul?

Currently, January is the cheapest month in which you can book a flight from Ontario to Istanbul (average of $513). Flying from Ontario to Istanbul in July is currently the most expensive (average of $902). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Istanbul. 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 Istanbul?

    For a flight from Ontario to Istanbul, you will be flying from Ontario. Ontario (ONT) is just 3.1 mi from the center of the city. Ontario is the only Ontario airport and it handles 0 outbound flights to Istanbul per day. 0 airlines have flights to Istanbul from Ontario on a regular basis.

  • How long is the flight from Ontario to Istanbul?

    Airlines like United Airlines, Delta, and KLM fly from Ontario to Istanbul in about 21h 48m. The time it takes to get you to your destination can typically vary by up to 12h 42m. The distance between Ontario and Istanbul is about 6805 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • Can I find deals for flights from Ontario to Istanbul that include hotel bookings?

    Yes. In addition to deals on Ontario to Istanbul flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Istanbul?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Istanbul.

  • Can I find deals for business class flights from Ontario to Istanbul?

    Yes. Cheapflights offers flight deals from Ontario to Istanbul by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Ontario to Istanbul?

    Currently, January is the cheapest month in which you can book a flight from Ontario to Istanbul (average of $513). Flying from Ontario to Istanbul in July is currently the most expensive (average of $902). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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