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$392+ 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 3/15. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — IST
Mar 15 — Mar 221
Sat 3/15
Sat 3/22
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 March 10, 2025.

Round-trip from

$704
(Delta)

One-way from

$392
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$967
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 ($266 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($40 potential savings vs. average RT price).
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Average for round-trip flights in March 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 March 10, 2025.

This Delta deal was found by Cheapflights users on 3/8. 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 4/25:40 amONT - IST
2 stops35h 45mDelta
Wed 4/94:20 amIST - ONT
2 stops28h 16mDelta
Deal found 3/8$704
This United Airlines deal was found by Cheapflights users on 3/9. 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 3/261:40 pmONT - IST
2 stops18h 25mUnited Airlines
Wed 4/22:00 pmIST - ONT
2 stops18h 55mUnited Airlines
Deal found 3/9$805
This Lufthansa deal was found by Cheapflights users on 3/9. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/266:00 amONT - IST
3 stops26h 05mMultiple Airlines
Wed 4/26:10 amIST - ONT
2 stops24h 32mMultiple Airlines
Deal found 3/9$1,039
This oojo deal was found by Cheapflights users on 3/9. 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.
Wed 8/276:00 amONT - SAW
2 stops44h 10mQatar Airways
Thu 9/188:05 pmSAW - ONT
2 stops36h 32mQatar Airways
Deal found 3/9$1,081
This oojo deal was found by Cheapflights users on 3/9. 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.
Wed 8/276:00 amONT - IST
2 stops38h 20mQatar Airways
Thu 9/188:05 pmIST - ONT
2 stops36h 32mQatar Airways
Deal found 3/9$1,084
This oojo deal was found by Cheapflights users on 3/8. 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 5/510:40 pmONT - IST
1 stop28h 15mTurkish Airlines
Mon 5/126:45 pmIST - ONT
1 stop36h 37mTurkish Airlines
Deal found 3/8$1,126
This British Airways deal was found by Cheapflights users on 3/8. 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.
Mon 5/52:44 pmONT - IST
2 stops23h 46mBritish Airways
Mon 5/128:15 pmIST - ONT
2 stops32h 21mBritish Airways
Deal found 3/8$1,175
This Air Canada deal was found by Cheapflights users on 3/9. 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.
Thu 3/205:05 amONT - IST
3 stops27h 15mAir Canada
Sun 3/308:30 pmIST - ONT
3 stops34h 12mAir Canada
Deal found 3/9$1,316
This Justfly.com deal was found by Cheapflights users on 3/10. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/196:00 amONT - SAW
2 stops22h 45mBritish Airways
Thu 3/273:50 pmSAW - ONT
2 stops42h 04mBritish Airways
Deal found 3/10$1,428
This oojo deal was found by Cheapflights users on 3/9. 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.
Wed 4/3010:40 pmONT - IST
2 stops45h 30mEtihad Airways
Fri 5/97:30 amIST - ONT
2 stops47h 52mEtihad Airways
Deal found 3/9$1,461
This KLM deal was found by Cheapflights users on 3/9. 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.
Mon 12/112:00 pmONT - IST
2 stops17h 55mKLM
Wed 12/315:10 amIST - ONT
2 stops22h 08mKLM
Deal found 3/9$1,881
This oojo deal was found by Cheapflights users on 3/10. 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.
Thu 5/1510:40 pmONT - SAW
2 stops38h 05mEtihad Airways
Sat 5/2412:10 amSAW - ONT
2 stops31h 12mEtihad Airways
Deal found 3/10$2,285

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 March 10, 2025.

Fly from

Ontario

Fly to

Istanbul

Route

Depart

Return

Price

OntarioIstanbul

ONT - IST

ONTIST

Ontario

Wed 4/2

5:40 am-3:25 am

2 stops35h 45m

Istanbul

Wed 4/9

4:20 am-10:36 pm

2 stops28h 16m

$704

OntarioIstanbul

ONT - IST

ONTIST

Ontario

Wed 3/26

1:40 pm-6:05 pm

2 stops18h 25m

Istanbul

Wed 4/2

2:00 pm-10:55 pm

2 stops18h 55m

$805

OntarioIstanbul

ONT - IST

ONTIST

Ontario

Wed 3/26

6:00 am-6:05 pm

3 stops26h 05m

Istanbul

Wed 4/2

6:10 am-8:42 pm

2 stops24h 32m

$1,039

OntarioIstanbul

ONT - SAW

ONTSAW

Ontario

Wed 8/27

6:00 am-12:10 pm

2 stops44h 10m

Istanbul Sabiha Gokcen

Thu 9/18

8:05 pm-10:37 pm

2 stops36h 32m

$1,081

OntarioIstanbul

ONT - IST

ONTIST

Ontario

Wed 8/27

6:00 am-6:20 am

2 stops38h 20m

Istanbul

Thu 9/18

8:05 pm-10:37 pm

2 stops36h 32m

$1,084

OntarioIstanbul

ONT - IST

ONTIST

Ontario

Mon 5/5

10:40 pm-12:55 pm

1 stop28h 15m

Istanbul

Mon 5/12

6:45 pm-9:22 pm

1 stop36h 37m

$1,126

OntarioIstanbul

ONT - IST

ONTIST

Ontario

Mon 5/5

2:44 pm-12:30 am

2 stops23h 46m

Istanbul

Mon 5/12

8:15 pm-6:36 pm

2 stops32h 21m

$1,175

OntarioIstanbul

ONT - IST

ONTIST

Ontario

Thu 3/20

5:05 am-6:20 pm

3 stops27h 15m

Istanbul

Sun 3/30

8:30 pm-8:42 pm

3 stops34h 12m

$1,316

OntarioIstanbul

ONT - SAW

ONTSAW

Ontario

Sat 3/29

2:54 pm-1:50 pm

2 stops36h 56m

Istanbul Sabiha Gokcen

Sat 4/5

4:20 pm-11:50 pm

2 stops41h 30m

$1,428

OntarioIstanbul

ONT - IST

ONTIST

Ontario

Wed 4/30

10:40 pm-6:10 am

2 stops45h 30m

Istanbul

Fri 5/9

7:30 am-9:22 pm

2 stops47h 52m

$1,461

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/9

Showing 1-10 of 23 results
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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 March 10, 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 March 10, 2025.
Peruse reviews from past customers who have flown with Delta, Qatar Airways and Etihad 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
7,973 reviews

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

8.0

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
7,973 reviews
Delta
8.0
Very good
7,973 reviews

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

8.0

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
3,546 reviews
Delta
8.0
Very good
7,973 reviews

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

8.0

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
1,173 reviews
Delta
8.0
Very good
7,973 reviews

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

8.0

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
8,631 reviews
Delta
8.0
Very good
7,973 reviews

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

8.0

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.

Turkish Airlines
7.3
Good
3,765 reviews
Delta
8.0
Very good
7,973 reviews

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

8.0

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. 1 airline has flights to Istanbul from Ontario on a regular basis.

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

    Currently priced at $704, Delta will fly you from Ontario to Istanbul and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from United Airlines and Qatar Airways - these airlines can fly you to your destination from $805 and $1,081, 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 Etihad Airways and United Airlines, with prices starting from $621 and $643, 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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Top airline flying from Ontario to Istanbul

Discover the top airline that operate flights from Ontario to Istanbul. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 10, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,195Average$1,295FlexibilityNo cancel feeOn-time69%
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