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Cheap flights from Ontario to Istanbul from $414

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Istanbul departing on 8/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Ontario to Istanbul

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
4:04 pm - 10:45 pm
ONT
-
IST
19h 41m
2 stops
United Airlines Logo
6:30 am - 9:21 pm
IST
-
ONT
25h 51m
2 stops
$910United Airlines
Tue, Nov 24 - Fri, Dec 4
United Airlines Logo
4:04 pm - 10:45 pm
ONT
-
IST
19h 41m
2 stops
United Airlines Logo
6:30 am - 12:01 pm
IST
-
ONT
40h 31m
2 stops
$916United Airlines
Wed, Nov 4 - Fri, Nov 13
British Airways Logo
1:05 pm - 1:00 am
ONT
-
IST
25h 55m
2 stops
British Airways Logo
6:40 pm - 11:57 pm
IST
-
ONT
40h 17m
2 stops
$940British Airways
Tue, Oct 27 - Mon, Nov 2
Air France Logo
12:00 pm - 5:55 pm
ONT
-
IST
18h 55m
2 stops
Air France Logo
7:15 am - 4:12 pm
IST
-
ONT
19h 57m
2 stops
$945Air France
Mon, Nov 16 - Mon, Nov 30
Air France Logo
12:00 pm - 5:35 pm
ONT
-
IST
18h 35m
2 stops
Air France Logo
7:15 am - 4:12 pm
IST
-
ONT
19h 57m
2 stops
$957Air France
Thu, Nov 12 - Fri, Nov 20
Air France Logo
12:18 pm - 5:35 pm
ONT
-
IST
18h 17m
2 stops
Air France Logo
7:15 am - 6:18 pm
IST
-
ONT
22h 03m
2 stops
$958Air France
Thu, Nov 5 - Fri, Nov 13
United Airlines Logo
1:52 pm - 9:35 pm
ONT
-
IST
21h 43m
2 stops
United Airlines Logo
6:30 am - 8:06 pm
IST
-
ONT
24h 36m
2 stops
$960United Airlines
Thu, Oct 22 - Thu, Nov 12
United Airlines Logo
11:20 am - 6:10 pm
ONT
-
IST
19h 50m
2 stops
United Airlines Logo
6:30 am - 9:21 pm
IST
-
ONT
25h 51m
2 stops
$961United Airlines
Thu, Jan 7 - Thu, Jan 21
United Airlines Logo
11:20 am - 6:10 pm
ONT
-
IST
19h 50m
2 stops
United Airlines Logo
6:30 am - 5:47 pm
IST
-
ONT
22h 17m
2 stops
$962United Airlines
Fri, Jan 8 - Fri, Jan 22
United Airlines Logo
1:13 pm - 10:45 pm
ONT
-
IST
47h 32m
2 stops
United Airlines Logo
6:30 am - 8:06 pm
IST
-
ONT
24h 36m
2 stops
$966United Airlines
Sat, Oct 31 - Mon, Nov 9

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United Airlines flights from Ontario to Istanbul Airport

Our best United Airlines deals on Ontario to Istanbul Airport flight tickets
United Airlines
Nov 24
ONT4:04 pmOntario
19h 41m
2 stops
IST10:45 pmIstanbul
Dec 4
IST6:30 amIstanbul
25h 51m
2 stops
ONT9:21 pmOntario
$910
United Airlines
Nov 4
ONT4:04 pmOntario
19h 41m
2 stops
IST10:45 pmIstanbul
Nov 13
IST6:30 amIstanbul
40h 31m
2 stops
ONT12:01 pmOntario
$916
United Airlines
Oct 22
ONT1:52 pmOntario
21h 43m
2 stops
IST9:35 pmIstanbul
Nov 12
IST6:30 amIstanbul
24h 36m
2 stops
ONT8:06 pmOntario
$960

Turkish Airlines flights from Ontario to Istanbul Airport

Our best Turkish Airlines deals on Ontario to Istanbul Airport flight tickets
Turkish Airlines
Sep 15
ONT9:10 pmOntario
22h 20m
1 stop
IST5:30 amIstanbul
Sep 22
IST7:20 amIstanbul
22h 53m
1 stop
ONT8:13 pmOntario
$1,105
Turkish Airlines
Sep 7
ONT11:50 pmOntario
27h 10m
1 stop
IST1:00 pmIstanbul
Sep 26
IST7:20 amIstanbul
22h 53m
1 stop
ONT8:13 pmOntario
$1,106
Turkish Airlines
Aug 31
ONT11:59 pmOntario
27h 01m
1 stop
IST1:00 pmIstanbul
Sep 16
IST6:40 pmIstanbul
35h 33m
1 stop
ONT8:13 pmOntario
$1,118

momondo Fare Finder

 
Customize your flight search to find flights from Ontario to Istanbul Airport 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, momondo users made 832,500 searches. Data last updated July 12, 2026.
Use the filters below to find and compare flights from Ontario to Istanbul Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioIstanbul

ONT - IST

ONTIST

Ontario

Tue 11/24

4:04 pm-10:45 pm

2 stops19h 41m

Istanbul

Fri 12/4

6:30 am-9:21 pm

2 stops25h 51m

$910

OntarioIstanbul

ONT - IST

ONTIST

Ontario

Wed 11/4

4:04 pm-10:45 pm

2 stops19h 41m

Istanbul

Fri 11/13

6:30 am-12:01 pm

2 stops40h 31m

$916

OntarioIstanbul

ONT - IST

ONTIST

Ontario

Tue 10/27

1:05 pm-1:00 am

2 stops25h 55m

Istanbul

Mon 11/2

6:40 pm-11:57 pm

2 stops40h 17m

$940

OntarioIstanbul

ONT - IST

ONTIST

Ontario

Mon 11/16

12:00 pm-5:55 pm

2 stops18h 55m

Istanbul

Mon 11/30

7:15 am-4:12 pm

2 stops19h 57m

$945
Quickest round-trip

OntarioIstanbul

ONT - IST

ONTIST

Ontario

Thu 11/12

12:00 pm-5:35 pm

2 stops18h 35m

Istanbul

Fri 11/20

7:15 am-4:12 pm

2 stops19h 57m

$957

OntarioIstanbul

ONT - IST

ONTIST

Ontario

Thu 11/5

12:18 pm-5:35 pm

2 stops18h 17m

Istanbul

Fri 11/13

7:15 am-6:18 pm

2 stops22h 03m

$958

OntarioIstanbul

ONT - IST

ONTIST

Ontario

Thu 10/22

1:52 pm-9:35 pm

2 stops21h 43m

Istanbul

Thu 11/12

6:30 am-8:06 pm

2 stops24h 36m

$960

OntarioIstanbul

ONT - IST

ONTIST

Ontario

Thu 1/7

11:20 am-6:10 pm

2 stops19h 50m

Istanbul

Thu 1/21

6:30 am-9:21 pm

2 stops25h 51m

$961

OntarioIstanbul

ONT - IST

ONTIST

Ontario

Fri 1/8

11:20 am-6:10 pm

2 stops19h 50m

Istanbul

Fri 1/22

6:30 am-5:47 pm

2 stops22h 17m

$962

OntarioIstanbul

ONT - IST

ONTIST

Ontario

Sat 10/31

1:13 pm-10:45 pm

2 stops47h 32m

Istanbul

Mon 11/9

6:30 am-8:06 pm

2 stops24h 36m

$966

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Istanbul from

How to get the cheapest flight ticket from Ontario to Istanbul Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Istanbul Airport?

Our data shows that Tuesday is the least expensive day to fly to Istanbul Airport. Tickets to fly out on this day can be as low as $900. On the other hand, Saturday is the most expensive day to depart from Ontario because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,012.

What is the cheapest time of day to depart on your flight to Istanbul Airport?

In the afternoon is the cheapest time of day to fly from Ontario to Istanbul Airport when you can find flight prices for as low as $891. Flying to Istanbul Airport in the afternoon is an ideal time because this is during off-peak travel hours. Flights in the morning are often more expensive with an average ticket price of $1,211.

When to book flights from Ontario to Istanbul Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Ontario to Istanbul Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Ontario to Istanbul Airport (ONT to IST) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ontario to Istanbul Airport

Fastest flight time

17h 55m

Direct flights

None
The fastest flight from Ontario to Istanbul Airport takes 17h 55m
There are no direct flights from Ontario to Istanbul Airport. There are no popular flight routes from Ontario to Istanbul Airport.
Search flight deals

Frequently asked questions about flying from Ontario to Istanbul Airport

  • How far is Ontario to Istanbul by plane?

    A flight from Ontario to Istanbul will travel around 6805.8 mi. In terms of flight time, this usually takes a little over 17h 55m.

  • When did momondo last update prices for flights from Ontario Airport to Istanbul Airport?

    Prices for flights from Ontario Airport to Istanbul Airport were last updated today.

  • How old do you have to be to fly from Ontario Airport to Istanbul Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Istanbul Airport.

  • What documentation or ID do you need to fly to Istanbul Airport?

    The travel and health documents required for your trip to Istanbul Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Istanbul Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Traveling to a place near Istanbul?

Book flights to Istanbul if you plan to visit one of these locations
Yalova

Why use momondo?

Why should I use momondo to find a flight deal from Ontario to Istanbul?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Ontario to Istanbul. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Ontario to Istanbul with flexible booking policies on momondo?

All flight searches from Ontario to Istanbul on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Ontario to Istanbul?

momondo provides multiple filters to help you find the best flight to Istanbul from Ontario. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Ontario to Istanbul right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Ontario to Istanbul flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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