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$567+ 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 8/26. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — IST
Jul 16 — Jul 231
Thu 7/16
Thu 7/23
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 June 16, 2026.

This United Airlines deal was found by Cheapflights users on 6/11. 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 11/26:53 pm
ONT
-
IST
3 stops36h 17m
United Airlines
Wed 11/186:30 am
IST
-
ONT
2 stops22h 17m
United Airlines
Deal found 6/11$911
This Iberia deal was found by Cheapflights users on 6/11. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/310:47 am
ONT
-
IST
2 stops27h 13m
Multiple Airlines
Fri 11/208:10 am
IST
-
ONT
2 stops25h 13m
Multiple Airlines
Deal found 6/11$912
This United Airlines deal was found by Cheapflights users on 6/12. 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 8/31:18 pm
ONT
-
IST
2 stops17h 37m
United Airlines
Tue 11/36:30 am
IST
-
ONT
2 stops22h 17m
United Airlines
Deal found 6/12$945
This Air France deal was found by Cheapflights users on 6/12. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/412:00 pm
ONT
-
IST
2 stops18h 55m
Air France
Mon 11/167:15 am
IST
-
ONT
2 stops19h 57m
Air France
Deal found 6/12$948
This Air France deal was found by Cheapflights users on 6/15. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/512:00 pm
ONT
-
IST
2 stops18h 55m
Air France
Mon 11/167:15 am
IST
-
ONT
2 stops22h 03m
Air France
Deal found 6/15$951
This United Airlines deal was found by Cheapflights users on 6/11. 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 10/317:00 am
ONT
-
IST
2 stops25h 10m
United Airlines
Wed 11/186:30 am
IST
-
ONT
2 stops22h 17m
United Airlines
Deal found 6/11$961
This KAYAK deal was found by Cheapflights users on 6/11. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/91:33 pm
ONT
-
IST
2 stops22h 12m
Lufthansa
Wed 12/237:05 pm
IST
-
ONT
2 stops37h 16m
Lufthansa
Deal found 6/11$964
This United Airlines deal was found by Cheapflights users on 6/12. 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 8/56:00 am
ONT
-
IST
2 stops29h 25m
United Airlines
Tue 8/251:55 pm
IST
-
ONT
2 stops38h 21m
United Airlines
Deal found 6/12$966
This United Airlines deal was found by Cheapflights users on 6/14. 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 10/311:00 pm
ONT
-
IST
2 stops47h 45m
United Airlines
Mon 11/96:30 am
IST
-
ONT
2 stops22h 17m
United Airlines
Deal found 6/14$967
This United Airlines deal was found by Cheapflights users on 6/11. 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 11/26:53 pm
ONT
-
IST
3 stops36h 17m
United Airlines
Sat 11/216:30 am
IST
-
ONT
2 stops50h 56m
United Airlines
Deal found 6/11$969
This British Airways deal was found by Cheapflights users on 6/13. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/410:47 am
ONT
-
IST
2 stops19h 38m
British Airways
Fri 11/138:10 am
IST
-
ONT
2 stops24h 49m
British Airways
Deal found 6/13$975
This Trip.com deal was found by Cheapflights users on 6/12. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/306:00 am
ONT
-
SAW
2 stops25h 30m
KLM
Sat 11/712:55 pm
SAW
-
ONT
2 stops40h 23m
KLM
Deal found 6/12$992

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 June 16, 2026.

Round-trip from

$911
(United Airlines)

One-way from

$567
(oojo)

Popular in

June

Cheapest in

February

Average price

$1,390
From Ontario to Istanbul
Search Deals
One-way flight from Ontario to Istanbul
Search Deals
Highest demand for flights based on searches. 22% potential increase in price ($292 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($37 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 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 June 16, 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

Cheapest round-trip

OntarioIstanbul

ONT - IST

ONTIST

Ontario

Sat 10/31

6:53 pm-6:10 pm

3 stops37h 17m

Istanbul

Wed 11/18

6:30 am-5:47 pm

2 stops22h 17m

$911

OntarioIstanbul

ONT - IST

ONTIST

Ontario

Tue 11/3

1:33 pm-10:45 pm

2 stops22h 12m

Istanbul

Wed 11/18

6:30 am-5:47 pm

2 stops22h 17m

$911

OntarioIstanbul

ONT - SAW

ONTSAW

Ontario

Fri 11/6

6:00 am-5:30 pm

2 stops24h 30m

Istanbul Sabiha Gokcen

Sun 11/15

3:55 pm-4:12 pm

2 stops35h 17m

$992

OntarioIstanbul

ONT - SAW

ONTSAW

Ontario

Fri 10/30

6:00 am-5:30 pm

2 stops25h 30m

Istanbul Sabiha Gokcen

Sun 11/8

3:55 pm-4:12 pm

2 stops35h 17m

$994

OntarioIstanbul

ONT - SAW

ONTSAW

Ontario

Thu 11/5

12:00 pm-9:25 pm

2 stops22h 25m

Istanbul Sabiha Gokcen

Sat 11/14

9:00 am-4:12 pm

2 stops42h 12m

$994
Quickest round-trip

OntarioIstanbul

ONT - IST

ONTIST

Ontario

Wed 10/21

4:03 pm-9:25 pm

2 stops19h 22m

Istanbul

Tue 11/3

6:30 am-5:47 pm

2 stops22h 17m

$1,005

OntarioIstanbul

ONT - IST

ONTIST

Ontario

Sun 11/8

12:46 pm-12:50 am

2 stops25h 04m

Istanbul

Sat 11/14

6:40 pm-6:22 pm

2 stops34h 42m

$1,025

OntarioIstanbul

ONT - IST

ONTIST

Ontario

Thu 11/5

4:03 pm-10:45 pm

2 stops19h 42m

Istanbul

Thu 11/19

6:30 am-9:57 am

2 stops38h 27m

$1,061

OntarioIstanbul

ONT - SAW

ONTSAW

Ontario

Thu 11/12

6:00 am-12:10 pm

2 stops43h 10m

Istanbul Sabiha Gokcen

Sat 11/21

1:40 pm-10:39 pm

2 stops43h 59m

$1,086

OntarioIstanbul

ONT - SAW

ONTSAW

Ontario

Thu 11/5

6:00 am-12:10 pm

2 stops43h 10m

Istanbul Sabiha Gokcen

Sat 11/14

1:40 pm-10:54 pm

2 stops44h 14m

$1,086

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/15

Showing 1-10 of 45 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
No data available for this route at this time. Please check back soon.

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, KLM, and Qatar Airways fly from Ontario to Istanbul in about 24h 30m. The time it takes to get you to your destination can typically vary by up to 18h 40m. The distance between Ontario and Istanbul is about 6842 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.

See more FAQs

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