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$383+ 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 12/9. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — IST
Sep 15 — Sep 221
Tue 9/15
Tue 9/22
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 August 16, 2026.

This United Airlines deal was found by Cheapflights users on 8/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/114:17 pm -
2 stops19h 28m
Fri 12/46:30 am -
2 stops22h 17m
Deal found 8/13$829
This United Airlines deal was found by Cheapflights users on 8/14. 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 11/141:29 pm -
2 stops46h 16m
Fri 11/206:30 am -
2 stops27h 18m
Deal found 8/14$835
This oojo deal was found by Cheapflights users on 8/11. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/109:29 am -
2 stops28h 31m
Tue 11/247:35 am -
2 stops22h 30m
Deal found 8/11$855
This United Airlines deal was found by Cheapflights users on 8/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/174:17 pm -
2 stops19h 28m
Tue 12/16:30 am -
2 stops22h 17m
Deal found 8/13$874
This United Airlines deal was found by Cheapflights users on 8/14. 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.
Fri 11/134:17 pm -
2 stops19h 28m
Fri 11/206:30 am -
2 stops27h 18m
Deal found 8/14$879
This United Airlines deal was found by Cheapflights users on 8/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/211:29 pm -
2 stops46h 16m
Fri 11/276:30 am -
2 stops24h 45m
Deal found 8/15$880
This United Airlines deal was found by Cheapflights users on 8/14. 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.
Mon 10/265:00 am -
2 stops27h 10m
Tue 11/106:30 am -
2 stops22h 31m
Deal found 8/14$881
This United Airlines deal was found by Cheapflights users on 8/14. 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 11/141:29 pm -
2 stops46h 16m
Sat 11/216:30 am -
2 stops25h 21m
Deal found 8/14$885
This United Airlines deal was found by Cheapflights users on 8/14. 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 10/314:17 pm -
2 stops44h 28m
Tue 11/106:30 am -
2 stops22h 31m
Deal found 8/14$887
This United Airlines deal was found by Cheapflights users on 8/14. 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.
Wed 10/215:00 am -
2 stops30h 25m
Tue 11/37:05 pm -
2 stops33h 56m
Deal found 8/14$901
This United Airlines deal was found by Cheapflights users on 8/14. 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 10/244:03 pm -
2 stops40h 07m
Tue 11/37:05 pm -
2 stops33h 56m
Deal found 8/14$907
This United Airlines deal was found by Cheapflights users on 8/14. 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.
Tue 11/36:00 am -
2 stops25h 10m
Thu 11/126:30 am -
2 stops24h 45m
Deal found 8/14$926

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 August 16, 2026.

Round-trip from

$829
(United Airlines)

One-way from

$383
(Booking.com)

Popular in

June

Cheapest in

February

Average price

$1,119
From Ontario to Istanbul
Search Deals
One-way flight from Ontario to Istanbul
Search Deals
Highest demand for flights based on searches. 23% potential increase in price ($297 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($35 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2026
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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 August 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 Ontario - IST Istanbul

ONTIST

Ontario

Fri 2/12

1:33 pm-10:45 pm

2 stops22h 12m

Istanbul

Fri 2/19

6:30 am-5:47 pm

2 stops22h 17m

$881

OntarioIstanbul

ONT Ontario - IST Istanbul

ONTIST

Ontario

Mon 11/2

10:30 am-5:35 pm

2 stops20h 05m

Istanbul

Thu 11/12

7:40 am-7:09 pm

2 stops22h 29m

$1,030

OntarioIstanbul

ONT Ontario - IST Istanbul

ONTIST

Ontario

Mon 10/19

4:03 pm-9:25 pm

2 stops19h 22m

Istanbul

Thu 10/29

6:30 am-8:15 pm

2 stops23h 45m

$1,051

OntarioIstanbul

ONT Ontario - IST Istanbul

ONTIST

Ontario

Mon 10/26

9:25 am-6:10 pm

2 stops22h 45m

Istanbul

Sat 11/7

6:30 am-6:01 pm

2 stops22h 31m

$1,051

OntarioIstanbul

ONT Ontario - IST Istanbul

ONTIST

Ontario

Fri 10/9

11:13 am-6:20 am

2 stops33h 07m

Istanbul

Fri 10/23

8:05 pm-6:00 pm

2 stops31h 55m

$1,096

OntarioIstanbul

ONT Ontario - IST Istanbul

ONTIST

Ontario

Mon 9/7

1:56 pm-9:25 pm

2 stops21h 29m

Istanbul

Wed 9/23

5:40 am-8:01 pm

2 stops24h 21m

$1,096

OntarioIstanbul

ONT Ontario - IST Istanbul

ONTIST

Ontario

Wed 8/26

7:00 am-9:25 pm

2 stops28h 25m

Istanbul

Tue 9/8

1:55 pm-8:01 pm

3 stops40h 06m

$1,116

OntarioIstanbul

ONT Ontario - IST Istanbul

ONTIST

Ontario

Sat 1/2

1:18 pm-10:45 pm

2 stops22h 27m

Istanbul

Sun 1/31

6:30 am-9:21 pm

2 stops25h 51m

$1,121

OntarioIstanbul

ONT Ontario - IST Istanbul

ONTIST

Ontario

Thu 9/17

12:12 pm-11:55 am

2 stops37h 43m

Istanbul

Fri 10/2

8:05 pm-6:00 pm

2 stops31h 55m

$1,123

OntarioIstanbul

ONT Ontario - IST Istanbul

ONTIST

Ontario

Mon 9/21

12:12 pm-11:55 am

2 stops37h 43m

Istanbul

Wed 10/7

8:05 pm-6:00 pm

2 stops31h 55m

$1,124

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/11

Showing 1-10 of 34 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, British Airways, and Qatar Airways fly from Ontario to Istanbul in about 20h 05m. The time it takes to get you to your destination can typically vary by up to 13h 02m. 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.

See more FAQs

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