HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Istanbul

$541+ 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 5/6. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — IST
May 17 — May 241
Sun 5/17
Sun 5/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Ontario to Istanbul with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 April 17, 2026.

This United Airlines deal was found by Cheapflights users on 4/13. 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 8/118:00 am
ONT
-
IST
2 stops22h 55m
United Airlines
Thu 8/205:40 am
IST
-
ONT
2 stops22h 31m
United Airlines
Deal found 4/13$913
This United Airlines deal was found by Cheapflights users on 4/16. 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 11/154:03 pm
ONT
-
IST
2 stops19h 42m
United Airlines
Thu 11/266:30 am
IST
-
ONT
2 stops25h 51m
United Airlines
Deal found 4/16$914
This United Airlines deal was found by Cheapflights users on 4/13. 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.
Mon 8/106:30 am
ONT
-
IST
2 stops20h 30m
United Airlines
Mon 8/241:55 pm
IST
-
ONT
2 stops38h 16m
United Airlines
Deal found 4/13$933
This Delta deal was found by Cheapflights users on 4/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/295:05 pm
ONT
-
IST
2 stops22h 15m
Delta
Tue 5/126:00 am
IST
-
ONT
2 stops26h 34m
Delta
Deal found 4/15$939
This KAYAK deal was found by Cheapflights users on 4/15. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/141:00 pm
ONT
-
IST
2 stops18h 05m
Lufthansa
Wed 11/256:30 am
IST
-
ONT
2 stops25h 51m
Lufthansa
Deal found 4/15$960
This KAYAK deal was found by Cheapflights users on 4/16. 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.
Mon 10/121:33 pm
ONT
-
IST
2 stops21h 52m
Lufthansa
Mon 11/26:30 am
IST
-
ONT
2 stops22h 17m
Lufthansa
Deal found 4/16$961
This United Airlines deal was found by Cheapflights users on 4/15. 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.
Mon 8/171:18 pm
ONT
-
IST
2 stops17h 37m
United Airlines
Mon 8/245:50 am
IST
-
ONT
2 stops22h 21m
United Airlines
Deal found 4/15$963
This United Airlines deal was found by Cheapflights users on 4/16. 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 11/164:03 pm
ONT
-
IST
2 stops19h 42m
United Airlines
Mon 11/236:30 am
IST
-
ONT
2 stops22h 17m
United Airlines
Deal found 4/16$964
This Ovago deal was found by Cheapflights users on 4/15. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/66:00 am
ONT
-
IST
2 stops35h 30m
Air Europa
Wed 5/204:25 am
IST
-
ONT
2 stops27h 23m
Air Europa
Deal found 4/15$978
This Delta deal was found by Cheapflights users on 4/16. 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.
Sun 7/126:00 am
ONT
-
IST
2 stops33h 20m
Delta
Wed 8/196:00 am
IST
-
ONT
2 stops20h 14m
Delta
Deal found 4/16$999
This Delta deal was found by Cheapflights users on 4/16. 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.
Fri 7/109:40 am
ONT
-
IST
2 stops29h 40m
Delta
Tue 8/185:20 pm
IST
-
ONT
2 stops40h 24m
Delta
Deal found 4/16$1,004
This KAYAK deal was found by Cheapflights users on 4/15. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/181:44 pm
ONT
-
IST
2 stops21h 31m
Lufthansa
Fri 8/281:55 pm
IST
-
ONT
2 stops19h 03m
Lufthansa
Deal found 4/15$1,030

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 April 17, 2026.

Round-trip from

$913
(United Airlines)

One-way from

$541
(IEagle)

Popular in

June

Cheapest in

February

Average price

$788
From Ontario to Istanbul
Search Deals
One-way flight from Ontario to Istanbul
Search Deals
Highest demand for flights based on searches. 21% potential increase in price ($257 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($39 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 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 April 17, 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 - SAW

ONTSAW

Ontario

Thu 5/14

1:35 pm-9:00 pm

2 stops21h 25m

Istanbul Sabiha Gokcen

Thu 5/28

8:50 am-10:34 pm

2 stops23h 44m

$1,063

OntarioIstanbul

ONT - SAW

ONTSAW

Ontario

Wed 5/13

1:35 pm-9:00 pm

2 stops21h 25m

Istanbul Sabiha Gokcen

Wed 5/20

8:50 am-10:34 pm

2 stops23h 44m

$1,064

OntarioIstanbul

ONT - SAW

ONTSAW

Ontario

Fri 5/29

6:45 am-9:00 pm

2 stops28h 15m

Istanbul Sabiha Gokcen

Mon 6/8

2:40 pm-10:41 pm

2 stops42h 01m

$1,064

OntarioIstanbul

ONT - IST

ONTIST

Ontario

Wed 4/29

6:00 am-7:20 am

2 stops39h 20m

Istanbul

Tue 6/2

11:00 am-6:47 pm

2 stops41h 47m

$1,112
Quickest round-trip

OntarioIstanbul

ONT - IST

ONTIST

Ontario

Tue 5/5

1:30 pm-9:15 pm

2 stops21h 45m

Istanbul

Tue 5/12

1:55 pm-10:59 pm

2 stops19h 04m

$1,148

OntarioIstanbul

ONT - IST

ONTIST

Ontario

Fri 5/1

7:59 pm-7:20 am

2 stops49h 21m

Istanbul

Fri 5/8

11:00 am-10:32 pm

2 stops45h 32m

$1,160

OntarioIstanbul

ONT - IST

ONTIST

Ontario

Wed 4/29

10:39 am-7:20 am

2 stops34h 41m

Istanbul

Sun 5/10

5:00 pm-11:59 pm

2 stops40h 59m

$1,170

OntarioIstanbul

ONT - IST

ONTIST

Ontario

Fri 9/4

6:00 am-9:25 pm

2 stops29h 25m

Istanbul

Thu 9/17

5:40 am-8:04 pm

3 stops24h 24m

$1,175

OntarioIstanbul

ONT - IST

ONTIST

Ontario

Fri 5/1

7:59 pm-7:20 am

2 stops49h 21m

Istanbul

Sun 5/10

5:00 pm-11:59 pm

2 stops40h 59m

$1,197

OntarioIstanbul

ONT - IST

ONTIST

Ontario

Fri 5/8

7:59 pm-7:20 am

2 stops49h 21m

Istanbul

Fri 5/15

8:50 am-7:02 pm

2 stops44h 12m

$1,210

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/15

Showing 1-10 of 47 resultsSorted by cheapest first
1
2
3
...
5

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 17h 37m. The time it takes to get you to your destination can typically vary by up to 21h 43m. 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.