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$552+ 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 3/25. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — IST
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
1 adult, Economy
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Cheap 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 February 20, 2025.

Round-trip from

$729
(United Airlines)

One-way from

$552
(oojo)

Popular in

June

Cheapest in

February

Average price

$901
From Ontario to Istanbul
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One-way flight from Ontario to Istanbul
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Highest demand for flights based on searches. 18% potential increase in price ($262 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($38 potential savings vs. average RT price).
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Average for round-trip flights in February 2025
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Find 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 February 20, 2025.

This United Airlines deal was found by Cheapflights users on 2/19. 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 11/233:15 pmONT - IST
2 stops20h 30mUnited Airlines
Fri 12/56:30 amIST - ONT
2 stops28h 40mUnited Airlines
Deal found 2/19$729
This Expedia deal was found by Cheapflights users on 2/20. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/2411:59 pmONT - SAW
2 stops28h 46mBritish Airways
Mon 3/313:00 pmSAW - ONT
2 stops37h 33mBritish Airways
Deal found 2/20$768
This oojo deal was found by Cheapflights users on 2/20. 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.
Mon 3/244:30 pmONT - IST
2 stops21h 35mBritish Airways
Mon 3/318:15 pmIST - ONT
2 stops32h 18mBritish Airways
Deal found 2/20$771
This American Airlines deal was found by Cheapflights users on 2/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/242:54 pmONT - IST
2 stops23h 11mAmerican Airlines
Mon 3/318:25 amIST - ONT
3 stops23h 35mAmerican Airlines
Deal found 2/20$825
This Kiwi.com deal was found by Cheapflights users on 2/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/47:58 pmONT - IST
1 stop28h 47mMultiple Airlines
Tue 5/63:35 pmIST - ONT
2 stops52h 27mMultiple Airlines
Deal found 2/18$963
This oojo deal was found by Cheapflights users on 2/20. 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 2/256:00 amONT - SAW
2 stops50h 05mQatar Airways
Thu 3/138:10 pmSAW - ONT
2 stops37h 14mQatar Airways
Deal found 2/20$1,056
This oojo deal was found by Cheapflights users on 2/18. 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 3/46:00 amONT - IST
2 stops43h 20mQatar Airways
Tue 3/118:10 pmIST - ONT
2 stops35h 17mQatar Airways
Deal found 2/18$1,061
This Delta deal was found by Cheapflights users on 2/20. 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 2/201:05 pmONT - IST
2 stops40h 50mDelta
Thu 2/275:55 pmIST - ONT
2 stops33h 33mDelta
Deal found 2/20$1,147
This Air Canada deal was found by Cheapflights users on 2/19. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/181:40 pmONT - IST
3 stops23h 45mAir Canada
Mon 3/311:05 pmIST - ONT
3 stops33h 33mAir Canada
Deal found 2/19$1,191
This StudentUniverse deal was found by Cheapflights users on 2/20. 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 StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1611:37 pmONT - IST
2 stops44h 33mEtihad Airways
Fri 9/262:15 pmIST - ONT
2 stops42h 07mEtihad Airways
Deal found 2/20$1,448
This KLM deal was found by Cheapflights users on 2/19. 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 11/2512:00 pmONT - IST
2 stops17h 55mKLM
Wed 12/35:10 amIST - ONT
2 stops22h 07mKLM
Deal found 2/19$1,638
This oojo deal was found by Cheapflights users on 2/20. 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.
Sat 5/1710:40 pmONT - SAW
2 stops38h 05mEtihad Airways
Sat 5/3112:10 amSAW - ONT
2 stops55h 12mEtihad Airways
Deal found 2/20$1,849

Find flights from Ontario to Istanbul within your budget

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 February 20, 2025.

Fly from

Ontario

Fly to

Istanbul

Route

Depart

Return

Price

OntarioIstanbul

ONT - IST

ONTIST

Ontario

Tue 3/25

10:38 am-6:05 pm

2 stops21h 27m

Istanbul

Tue 4/1

6:10 am-5:51 pm

2 stops21h 41m

$729

OntarioIstanbul

ONT - SAW

ONTSAW

Ontario

Mon 3/24

11:59 pm-2:45 pm

2 stops28h 46m

Istanbul Sabiha Gokcen

Mon 3/31

3:00 pm-6:33 pm

2 stops37h 33m

$768

OntarioIstanbul

ONT - IST

ONTIST

Ontario

Mon 3/24

4:30 pm-12:05 am

2 stops21h 35m

Istanbul

Mon 3/31

8:15 pm-6:33 pm

2 stops32h 18m

$771

OntarioIstanbul

ONT - IST

ONTIST

Ontario

Mon 3/24

2:54 pm-12:05 am

2 stops23h 11m

Istanbul

Mon 3/31

8:25 am-10:00 pm

3 stops23h 35m

$825

OntarioIstanbul

ONT - IST

ONTIST

Ontario

Tue 3/4

7:58 pm-11:45 am

1 stop28h 47m

Istanbul

Tue 5/6

3:35 pm-10:02 am

2 stops52h 27m

$963

OntarioIstanbul

ONT - SAW

ONTSAW

Ontario

Tue 4/1

6:00 am-12:10 pm

2 stops44h 10m

Istanbul Sabiha Gokcen

Tue 4/29

8:05 pm-8:29 pm

2 stops34h 24m

$1,056

OntarioIstanbul

ONT - IST

ONTIST

Ontario

Tue 3/4

6:00 am-12:20 pm

2 stops43h 20m

Istanbul

Tue 3/11

8:10 pm-9:27 pm

2 stops35h 17m

$1,061

OntarioIstanbul

ONT - IST

ONTIST

Ontario

Tue 3/18

7:00 am-4:55 pm

2 stops23h 55m

Istanbul

Mon 3/31

4:20 am-11:56 pm

2 stops29h 36m

$1,151

OntarioIstanbul

ONT - IST

ONTIST

Ontario

Tue 3/18

1:40 pm-11:25 pm

3 stops23h 45m

Istanbul

Mon 3/31

1:05 pm-12:38 pm

3 stops33h 33m

$1,191

OntarioIstanbul

ONT - IST

ONTIST

Ontario

Sun 3/9

1:30 pm-4:55 pm

2 stops17h 25m

Istanbul

Mon 3/17

5:10 am-4:34 pm

2 stops21h 24m

$1,638

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/19

Showing 1-10 of 24 results
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2
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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.

Travel insights for flights from Ontario to Istanbul

Get recent, data-driven insights about flights from Ontario to Istanbul including ideal travel times, pricing trends, and more.

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

Currently, November is the cheapest month in which you can book a flight from Ontario to Istanbul (average of $923). Flying from Ontario to Istanbul in June is currently the most expensive (average of $1,423). 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.

What is the cheapest time of day to fly from ONT to IST?

Find hourly flight availability from Ontario to Istanbul. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 20, 2025.

It’s typically best to fly out from Ontario to Istanbul at noon. Doing so could potentially save you 8% on the flight price compared to flying in the morning, which is usually more expensive.

Rainfall in Istanbul by month

Plan your trip to Istanbul by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Istanbul ranges from 0.4 - 3.9 inches per month. December is typically the wettest month, when rainfall can reach 3.9 in. July is typically the driest time to visit Istanbul when rainfall is around 0.4 in.

Temperature in Istanbul by month

Plan your trip to Istanbul by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Istanbul, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Istanbul

Get insights into the airlines that provide service to Istanbul. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Istanbul. Reviews last updated February 20, 2025.
Peruse reviews from past customers who have flown with Delta, KLM and Qatar Airways from Ontario to Istanbul to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,219 reviews

Comfort

8.0

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta
8.0
Very good
8,219 reviews
Delta
8.0
Very good
8,219 reviews

Comfort

8.0

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM
7.8
Good
1,333 reviews
Delta
8.0
Very good
8,219 reviews

Comfort

8.0

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Qatar Airways
7.4
Good
3,613 reviews
Delta
8.0
Very good
8,219 reviews

Comfort

8.0

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

United Airlines
7.4
Good
8,765 reviews
Delta
8.0
Very good
8,219 reviews

Comfort

8.0

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Etihad Airways
7.4
Good
1,178 reviews
Delta
8.0
Very good
8,219 reviews

Comfort

8.0

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.

  • What are the cheapest airlines flying from Ontario to Istanbul round-trip?

    Currently priced at $729, United Airlines will fly you from Ontario to Istanbul and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from British Airways and American Airlines - these airlines can fly you to your destination from $768 and $825, respectively.

  • What are the cheapest airlines to fly from Ontario to Istanbul one-way?

    $552 is the cheapest one-way deal found within the past few days, from Qatar Airways. You may also be able to find cheap deals on United Airlines and Delta, with prices starting from $642 and $676, respectively.

  • 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, November is the cheapest month in which you can book a flight from Ontario to Istanbul (average of $923). Flying from Ontario to Istanbul in June is currently the most expensive (average of $1,423). 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.

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