How long is the flight from Ontario to Istanbul?

Airlines like United Airlines and KLM fly from Ontario to Istanbul in about 19h 50m. The time it takes to get you to your destination can typically vary by up to 2h 19m. 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.

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.

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).

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

When flying from Ontario to Istanbul, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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.

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.

$390+ Cheap Flights from Ontario to Istanbul

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Cheap flight deals from Ontario to Istanbul

Cheapest

Best

Last-minute

One-way

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 25, 2026.

Wed 11/254:17 pm -

2 stops19h 28m

Tue 12/86:30 am -

2 stops22h 06m

Deal found 8/21

$830

Tue 11/241:35 pm -

2 stops22h 10m

Tue 12/86:30 am -

2 stops24h 59m

Deal found 8/22

$831

Sun 11/224:17 pm -

2 stops19h 28m

Fri 11/276:30 am -

2 stops24h 45m

Deal found 8/20

$875

Sat 11/211:29 pm -

2 stops46h 16m

Thu 11/266:30 am -

2 stops24h 12m

Deal found 8/21

$881

Tue 11/174:17 pm -

2 stops19h 28m

Fri 11/276:30 am -

2 stops24h 45m

Deal found 8/20

$882

Wed 11/252:09 pm -

2 stops23h 16m

Wed 12/26:50 pm -

2 stops34h 57m

Deal found 8/23

$884

Tue 11/244:17 pm -

2 stops19h 28m

Tue 12/17:05 pm -

2 stops33h 31m

Deal found 8/23

$896

Wed 11/184:17 pm -

2 stops19h 28m

Fri 11/276:30 am -

2 stops24h 45m

Deal found 8/20

$901

Tue 11/244:17 pm -

2 stops19h 28m

Fri 11/276:30 am -

2 stops24h 45m

Deal found 8/21

$913

Sun 11/224:17 pm -

2 stops19h 28m

Tue 12/16:30 am -

2 stops22h 17m

Deal found 8/20

$920

Tue 11/312:16 pm -

2 stops22h 09m

Thu 11/129:00 am -

2 stops23h 59m

Deal found 8/22

$953

Tue 9/151:04 pm -

2 stops18h 01m

Tue 9/228:50 am -

2 stops23h 50m

Deal found 8/20

$1,063

Best flights from Ontario to Istanbul
Discover carefully curated flight deals from Ontario to Istanbul that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 25, 2026.

Sun 11/224:17 pm -

2 stops19h 28m

Fri 12/116:30 am -

2 stops24h 59m

Deal found 8/21

$875

Tue 11/312:16 pm -

2 stops22h 09m

Thu 11/129:00 am -

2 stops23h 59m

Deal found 8/22

$953

Mon 11/910:30 am -

2 stops20h 05m

Fri 11/208:25 am -

2 stops21h 40m

Deal found 8/23

$984

Wed 9/2312:12 pm -

2 stops32h 08m

Fri 10/238:05 pm -

2 stops31h 55m

Deal found 8/22

$1,057

Tue 10/64:03 pm -

2 stops19h 12m

Thu 10/155:40 am -

2 stops24h 51m

Deal found 8/20

$1,035

Tue 9/151:04 pm -

2 stops18h 01m

Tue 9/228:50 am -

2 stops23h 50m

Deal found 8/20

$1,063

Wed 11/186:00 am -

2 stops38h 00m

Thu 11/268:10 pm -

2 stops34h 53m

Deal found 8/20

$1,082

Sat 10/104:03 pm -

2 stops19h 12m

Tue 10/205:40 am -

2 stops22h 01m

Deal found 8/20

$1,036

Sat 9/267:05 am -

2 stops29h 50m

Thu 10/112:45 pm -

2 stops39h 30m

Deal found 8/24

$1,111

Thu 10/85:00 am -

2 stops30h 35m

Thu 10/155:40 am -

2 stops25h 18m

Deal found 8/24

$1,037

Sun 11/11:35 pm -

2 stops22h 10m

Wed 11/118:40 am -

2 stops23h 11m

Deal found 8/24

$1,092

Tue 11/101:35 pm -

2 stops22h 10m

Tue 11/178:40 am -

2 stops22h 35m

Deal found 8/23

$1,092

Thu 10/221:52 pm -

2 stops21h 43m

Sat 10/316:30 am -

2 stops25h 10m

Deal found 8/23

$1,097

Fri 10/99:25 am -

2 stops26h 00m

Thu 10/296:30 am -

2 stops25h 10m

Deal found 8/24

$1,103

Thu 10/81:52 pm -

2 stops21h 43m

Fri 10/165:40 am -

2 stops24h 51m

Deal found 8/24

$1,103

Fri 9/251:04 pm -

2 stops21h 56m

Mon 10/58:50 am -

2 stops23h 50m

Deal found 8/24

$2,378

Fri 9/115:15 pm -

2 stops17h 45m

Sat 9/198:50 am -

2 stops23h 50m

Deal found 8/24

$3,218

Sun 9/135:15 pm -

2 stops17h 45m

Wed 10/1412:45 pm -

2 stops21h 10m

Deal found 8/24

$4,314

Last-minute flights from Ontario to Istanbul
Discover last-minute flight deals from Ontario to Istanbul. Data last updated August 25, 2026 and is based on user searches.

Sun 8/306:02 am -

2 stops38h 18m

Mon 9/211:45 pm -

2 stops39h 18m

Deal found 8/22

$968

Sun 8/3012:00 pm -

2 stops32h 20m

Sat 9/191:45 pm -

2 stops43h 39m

Deal found 8/22

$1,008

Mon 8/3112:00 pm -

2 stops44h 35m

Mon 9/211:45 pm -

2 stops39h 18m

Deal found 8/22

$999

Thu 9/36:02 am -

2 stops43h 53m

Sun 9/131:45 pm -

2 stops39h 18m

Deal found 8/23

$1,010

Sat 9/121:18 pm -

2 stops46h 17m

Thu 12/36:30 am -

2 stops22h 06m

Deal found 8/22

$979

Mon 9/1412:12 pm -

2 stops37h 43m

Mon 10/261:50 pm -

2 stops54h 27m

Deal found 8/21

$995

Mon 9/1412:12 pm -

2 stops37h 43m

Wed 10/288:10 pm -

2 stops37h 32m

Deal found 8/21

$1,012

Tue 9/151:04 pm -

2 stops18h 01m

Tue 9/228:50 am -

2 stops23h 50m

Deal found 8/20

$1,063

Thu 9/1712:12 pm -

2 stops37h 43m

Mon 9/288:05 pm -

2 stops32h 58m

Deal found 8/23

$983

Thu 9/1712:12 pm -

2 stops44h 23m

Sat 10/178:05 pm -

2 stops37h 37m

Deal found 8/20

$1,011

Sat 9/191:18 pm -

2 stops46h 17m

Wed 10/75:40 am -

2 stops27h 11m

Deal found 8/22

$987

Mon 9/216:02 am -

2 stops43h 53m

Wed 10/78:05 pm -

2 stops37h 37m

Deal found 8/20

$986

One-way flights from Ontario to Istanbul
Search for one-way flight options from Ontario to Istanbul. Find affordable one-way fares based on user searches. Data last updated August 25, 2026.

Wed 11/257:00 am -

2 stops28h 45m

Deal found 8/23

$390

Sun 1/106:45 am -

2 stops29h 00m

Deal found 8/22

$391

Thu 2/111:33 pm -

2 stops22h 12m

Deal found 8/21

$441

Sat 11/211:29 pm -

2 stops46h 16m

Deal found 8/22

$447

Mon 12/2811:52 pm -

2 stops35h 53m

Deal found 8/22

$473

Mon 1/189:59 am -

2 stops27h 06m

Deal found 8/25

$495

Sat 11/77:07 am -

2 stops27h 23m

Deal found 8/23

$534

Wed 9/96:02 am -

2 stops38h 18m

Deal found 8/24

$557

Thu 9/176:02 am -

2 stops50h 33m

Deal found 8/24

$559

Sun 9/136:02 am -

2 stops38h 18m

Deal found 8/23

$573

Sun 8/306:02 am -

2 stops38h 18m

Deal found 8/23

$578

Thu 9/36:02 am -

2 stops43h 53m

Deal found 8/24

$580

Find flight deals from Ontario to Istanbul

Round-trip from	$830 (United Airlines)
One-way from	$390 (United Airlines)
Popular in	June
Cheapest in	February
Average price	$1,128

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 ($298 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

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioIstanbul

ONT Ontario - IST Istanbul

ONTIST

Ontario

Sun 11/22

4:17 pm-10:45 pm

2 stops19h 28m

Istanbul

Fri 12/11

6:30 am-8:29 pm

2 stops24h 59m

$875

OntarioIstanbul

ONT Ontario - SAW Istanbul Sabiha Gokcen

ONTSAW

Ontario

Tue 11/3

12:16 pm-9:25 pm

2 stops22h 09m

Istanbul Sabiha Gokcen

Thu 11/12

9:00 am-9:59 pm

2 stops23h 59m

$953

OntarioIstanbul

ONT Ontario - IST Istanbul

ONTIST

Ontario

Mon 11/9

10:30 am-5:35 pm

2 stops20h 05m

Istanbul

Fri 11/20

8:25 am-7:05 pm

2 stops21h 40m

$984

OntarioIstanbul

ONT Ontario - IST Istanbul

ONTIST

Ontario

Tue 10/6

4:03 pm-9:15 pm

2 stops19h 12m

Istanbul

Thu 10/15

5:40 am-8:31 pm

2 stops24h 51m

$1,035

OntarioIstanbul

ONT Ontario - IST Istanbul

ONTIST

Ontario

Sat 10/10

4:03 pm-9:15 pm

2 stops19h 12m

Istanbul

Tue 10/20

5:40 am-5:41 pm

2 stops22h 01m

$1,036

OntarioIstanbul

ONT Ontario - IST Istanbul

ONTIST

Ontario

Thu 10/8

5:00 am-9:35 pm

2 stops30h 35m

Istanbul

Thu 10/15

5:40 am-8:58 pm

2 stops25h 18m

$1,037

OntarioIstanbul

ONT Ontario - IST Istanbul

ONTIST

Ontario

Wed 9/23

12:12 pm-6:20 am

2 stops32h 08m

Istanbul

Fri 10/23

8:05 pm-6:00 pm

2 stops31h 55m

$1,057

OntarioIstanbul

ONT Ontario - SAW Istanbul Sabiha Gokcen

ONTSAW

Ontario

Tue 9/15

1:04 pm-5:05 pm

2 stops18h 01m

Istanbul Sabiha Gokcen

Tue 9/22

8:50 am-10:40 pm

2 stops23h 50m

$1,063

OntarioIstanbul

ONT Ontario - IST Istanbul

ONTIST

Ontario

Wed 11/18

6:00 am-7:00 am

2 stops38h 00m

Istanbul

Thu 11/26

8:10 pm-8:03 pm

2 stops34h 53m

$1,082

OntarioIstanbul

ONT Ontario - IST Istanbul

ONTIST

Ontario

Sun 11/1

1:35 pm-10:45 pm

2 stops22h 10m

Istanbul

Wed 11/11

8:40 am-8:51 pm

2 stops23h 11m

$1,092

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/21

Showing 1-10 of 36 resultsSorted by cheapest first

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.

ONT-TR5

ONT-IST

ONT-SAW

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

ONT-TR5

ONT-IST

ONT-SAW

No data available for this route at this time. Please check back soon.

Related info for your journey

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 and KLM fly from Ontario to Istanbul in about 19h 50m. The time it takes to get you to your destination can typically vary by up to 2h 19m. 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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$390+ 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 11/25. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Ontario to Istanbul with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Ontario to Istanbul

Cheapest flights from Ontario to IstanbulExplore 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 25, 2026.

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 25, 2026.

Best flights from Ontario to IstanbulDiscover carefully curated flight deals from Ontario to Istanbul that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 25, 2026.

Discover carefully curated flight deals from Ontario to Istanbul that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 25, 2026.

Last-minute flights from Ontario to IstanbulDiscover last-minute flight deals from Ontario to Istanbul. Data last updated August 25, 2026 and is based on user searches.

Discover last-minute flight deals from Ontario to Istanbul. Data last updated August 25, 2026 and is based on user searches.

One-way flights from Ontario to IstanbulSearch for one-way flight options from Ontario to Istanbul. Find affordable one-way fares based on user searches. Data last updated August 25, 2026.

Search for one-way flight options from Ontario to Istanbul. Find affordable one-way fares based on user searches. Data last updated August 25, 2026.

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Use the filters below to find and compare flights from Ontario to Istanbul that are best for you.

Best time to book a flight from Ontario to Istanbul

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Related info for your journey

What airport do you fly from for flights from Ontario to Istanbul?

How long is the flight from Ontario to Istanbul?

Can I find deals for flights from Ontario to Istanbul that include hotel bookings?

How can I find direct flights from Ontario to Istanbul?

Can I find deals for business class flights from Ontario to Istanbul?

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Alternative routes for Ontario to Istanbul

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

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Search flights from Ontario to Istanbul by cabin class

Find flights from Ontario to Istanbul, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Ontario and Istanbul flights

Browse other Ontario and Istanbul flight options. Last updated on August 25, 2026.

Other flights from Ontario

Browse through other flights departing from Ontario. Flights are based on user searches made on Cheapflights and were last updated on August 25, 2026.

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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 25, 2026.

Best flights from Ontario to Istanbul
Discover carefully curated flight deals from Ontario to Istanbul that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 25, 2026.

Last-minute flights from Ontario to Istanbul
Discover last-minute flight deals from Ontario to Istanbul. Data last updated August 25, 2026 and is based on user searches.

One-way flights from Ontario to Istanbul
Search for one-way flight options from Ontario to Istanbul. Find affordable one-way fares based on user searches. Data last updated August 25, 2026.