Istanbul

$390+ Cheap flights from Ontario (ONT) to Istanbul

ONT — IST
Sep 26 — Oct 31
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Cheap flight deals from Ontario to Istanbul

Cheapest flights from Ontario to Istanbul

Mon 11/301:30 pm -
2 stops23h 35m
Fri 12/48:25 am -
2 stops24h 07m
Deal found 8/27$821
Wed 12/24:03 pm -
2 stops19h 42m
Thu 12/106:30 am -
2 stops24h 59m
Deal found 8/25$831
Thu 11/2612:30 pm -
2 stops23h 15m
Thu 12/106:30 am -
2 stops24h 59m
Deal found 8/27$880
Tue 11/174:17 pm -
2 stops19h 28m
Tue 12/156:30 am -
2 stops24h 59m
Deal found 8/26$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
Sat 12/264:00 pm -
2 stops19h 45m
Tue 1/127:05 pm -
2 stops39h 01m
Deal found 8/26$902
Tue 12/291:05 pm -
2 stops22h 40m
Tue 1/127:05 pm -
2 stops33h 42m
Deal found 8/27$923
Tue 10/204:03 pm -
2 stops19h 12m
Tue 11/106:30 am -
2 stops22h 31m
Deal found 8/23$928
Fri 11/277:00 am -
2 stops24h 10m
Mon 12/76:30 am -
2 stops22h 06m
Deal found 8/27$930
Wed 11/114:17 pm -
2 stops19h 28m
Tue 12/16:30 am -
2 stops24h 59m
Deal found 8/27$931
Sat 9/267:05 am -
2 stops29h 50m
Thu 10/112:45 pm -
2 stops39h 30m
Deal found 8/24$1,111

Find flight deals from Ontario to Istanbul

Round-trip from

$821
(American Airlines)

One-way from

$390
(United Airlines)

Popular in

June

Cheapest in

February

Average price

$1,128
From Ontario to Istanbul
One-way flight from Ontario to Istanbul
Highest demand for flights based on searches. 23% potential increase in price ($298 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($35 potential savings vs. average RT price).
Average for round-trip flights in August 2026

Cheapflights Fare Finder

 
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

Wed 10/21

1:52 pm-9:25 pm

2 stops21h 33m

Istanbul

Mon 11/2

6:30 am-5:56 pm

2 stops22h 26m

$933

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 10/13

1:52 pm-9:15 pm

2 stops21h 23m

Istanbul

Tue 10/27

6:30 am-8:15 pm

2 stops23h 45m

$987

OntarioIstanbul

ONT Ontario - IST Istanbul

ONTIST

Ontario

Sat 9/19

1:18 pm-9:35 pm

2 stops46h 17m

Istanbul

Wed 10/7

5:40 am-10:51 pm

2 stops27h 11m

$987

OntarioIstanbul

ONT Ontario - IST Istanbul

ONTIST

Ontario

Thu 10/8

4:03 pm-9:35 pm

2 stops19h 32m

Istanbul

Tue 10/20

5:40 am-5:41 pm

2 stops22h 01m

$1,037

OntarioIstanbul

ONT Ontario - IST Istanbul

ONTIST

Ontario

Sun 11/15

6:00 am-12:20 pm

2 stops43h 20m

Istanbul

Tue 12/15

8:10 pm-10:39 pm

2 stops37h 29m

$1,059

OntarioIstanbul

ONT Ontario - IST Istanbul

ONTIST

Ontario

Fri 12/25

4:00 pm-10:45 pm

2 stops19h 45m

Istanbul

Tue 1/19

6:30 am-5:47 pm

2 stops22h 17m

$1,071

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

OntarioIstanbul

ONT Ontario - IST Istanbul

ONTIST

Ontario

Tue 11/10

1:35 pm-10:45 pm

2 stops22h 10m

Istanbul

Tue 11/17

8:40 am-8:15 pm

2 stops22h 35m

$1,092

OntarioIstanbul

ONT Ontario - IST Istanbul

ONTIST

Ontario

Wed 10/7

6:02 am-6:20 am

2 stops38h 18m

Istanbul

Sun 10/18

8:05 pm-6:00 pm

2 stops31h 55m

$1,097

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/23

Showing 1-10 of 38 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

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

  • 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 19h 28m. The time it takes to get you to your destination can typically vary by up to 23h 52m. 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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