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Cheap flights from Ontario to Istanbul from $368

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 9/24. 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
0 bags

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Find the cheapest flights from Ontario to Istanbul

Cheap round-trip flights

Delta Logo
1:00 pm - 3:50 amONT-IST
27h 50m2 stops
Delta Logo
4:50 am - 9:14 pmIST-ONT
27h 24m2 stops
$737Delta
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Wed, Jan 14 - Thu, Jan 22
United Airlines Logo
1:45 pm - 10:45 pmONT-IST
22h 00m2 stops
United Airlines Logo
6:30 am - 10:49 pmIST-ONT
27h 19m2 stops
$739United Airlines
Find Deal
Wed, Nov 19 - Wed, Dec 3
United Airlines Logo
7:02 am - 9:20 pmONT-IST
28h 18m2 stops
United Airlines Logo
6:30 am - 10:51 pmIST-ONT
27h 21m2 stops
$740United Airlines
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Wed, Oct 15 - Wed, Nov 5
British Airways Logo
3:09 pm - 12:05 amONT-IST
22h 56m2 stops
British Airways Logo
7:35 am - 9:40 pmIST-ONT
24h 05m2 stops
$742British Airways
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Mon, Mar 16 - Wed, Mar 25
American Airlines Logo
12:46 pm - 12:25 amONT-IST
24h 39m2 stops
American Airlines Logo
7:35 am - 10:28 pmIST-ONT
25h 53m3 stops
$744American Airlines
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Wed, Nov 12 - Wed, Dec 10
KLM Logo
1:00 pm - 3:50 amONT-IST
27h 50m2 stops
KLM Logo
4:50 am - 9:14 pmIST-ONT
27h 24m2 stops
$747KLM
Find Deal
Wed, Feb 18 - Tue, Feb 24
Multiple Airlines Logo
11:45 am - 4:55 pmONT-IST
18h 10m2 stops
Multiple Airlines Logo
4:50 am - 6:04 pmIST-ONT
24h 14m2 stops
$769Multiple Airlines
Find Deal
Tue, Nov 11 - Wed, Nov 26
British Airways Logo
3:08 pm - 1:10 amONT-IST
23h 02m2 stops
British Airways Logo
7:35 am - 10:29 pmIST-ONT
25h 54m2 stops
$868British Airways
Find Deal
Sat, Nov 8 - Sat, Nov 15
Multiple Airlines Logo
11:45 am - 4:55 pmONT-IST
18h 10m2 stops
Multiple Airlines Logo
4:50 am - 4:09 pmIST-ONT
22h 19m2 stops
$913Multiple Airlines
Find Deal
Mon, Nov 10 - Sun, Nov 16
American Airlines Logo
9:59 am - 5:25 pmONT-IST
20h 26m3 stops
American Airlines Logo
7:35 am - 10:28 pmIST-ONT
25h 53m3 stops
$944American Airlines
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Wed, Nov 12 - Wed, Dec 10

United Airlines flights from Ontario to Istanbul Airport

Our best United Airlines deals on Ontario to Istanbul Airport flight tickets
United Airlines
Nov 19
ONT1:45 pmOntario
22h 00m
2 stops
IST10:45 pmIstanbul
Dec 3
IST6:30 amIstanbul
27h 19m
2 stops
ONT10:49 pmOntario
$739
Find similar
United Airlines
Oct 15
ONT7:02 amOntario
28h 18m
2 stops
IST9:20 pmIstanbul
Nov 5
IST6:30 amIstanbul
27h 21m
2 stops
ONT10:51 pmOntario
$740
Find similar
United Airlines
Mar 4
ONT6:00 amOntario
29h 45m
2 stops
IST10:45 pmIstanbul
Mar 11
IST6:30 amIstanbul
23h 47m
2 stops
ONT8:17 pmOntario
$741
Find similar

British Airways flights from Ontario to Istanbul Airport

Our best British Airways deals on Ontario to Istanbul Airport flight tickets
British Airways
Mar 16
ONT3:09 pmOntario
22h 56m
2 stops
IST12:05 amIstanbul
Mar 25
IST7:35 amIstanbul
24h 05m
2 stops
ONT9:40 pmOntario
$742
Find similar
British Airways
Nov 8
ONT3:08 pmOntario
23h 02m
2 stops
IST1:10 amIstanbul
Nov 15
IST7:35 amIstanbul
25h 54m
2 stops
ONT10:29 pmOntario
$868
Find similar
British Airways
Feb 22
ONT5:03 pmOntario
20h 47m
2 stops
IST12:50 amIstanbul
Mar 3
IST7:35 amIstanbul
25h 22m
2 stops
ONT9:57 pmOntario
$942
Find similar

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 September 17, 2025.
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

OntarioIstanbul

ONT - IST

ONTIST

Ontario

Wed 1/14

1:00 pm-3:50 am

2 stops27h 50m

Istanbul

Thu 1/22

4:50 am-9:14 pm

2 stops27h 24m

$737

OntarioIstanbul

ONT - IST

ONTIST

Ontario

Wed 11/19

1:45 pm-10:45 pm

2 stops22h 00m

Istanbul

Wed 12/3

6:30 am-10:49 pm

2 stops27h 19m

$739

OntarioIstanbul

ONT - IST

ONTIST

Ontario

Wed 10/15

7:02 am-9:20 pm

2 stops28h 18m

Istanbul

Wed 11/5

6:30 am-10:51 pm

2 stops27h 21m

$740

OntarioIstanbul

ONT - IST

ONTIST

Ontario

Mon 3/16

3:09 pm-12:05 am

2 stops22h 56m

Istanbul

Wed 3/25

7:35 am-9:40 pm

2 stops24h 05m

$742

OntarioIstanbul

ONT - IST

ONTIST

Ontario

Wed 11/12

12:46 pm-12:25 am

2 stops24h 39m

Istanbul

Wed 12/10

7:35 am-10:28 pm

3 stops25h 53m

$744

OntarioIstanbul

ONT - IST

ONTIST

Ontario

Wed 2/18

1:00 pm-3:50 am

2 stops27h 50m

Istanbul

Tue 2/24

4:50 am-9:14 pm

2 stops27h 24m

$747

OntarioIstanbul

ONT - IST

ONTIST

Ontario

Tue 11/11

11:45 am-4:55 pm

2 stops18h 10m

Istanbul

Wed 11/26

4:50 am-6:04 pm

2 stops24h 14m

$769

OntarioIstanbul

ONT - IST

ONTIST

Ontario

Sat 11/8

3:08 pm-1:10 am

2 stops23h 02m

Istanbul

Sat 11/15

7:35 am-10:29 pm

2 stops25h 54m

$868

OntarioIstanbul

ONT - IST

ONTIST

Ontario

Mon 11/10

11:45 am-4:55 pm

2 stops18h 10m

Istanbul

Sun 11/16

4:50 am-4:09 pm

2 stops22h 19m

$913

OntarioIstanbul

ONT - IST

ONTIST

Ontario

Wed 11/12

9:59 am-5:25 pm

3 stops20h 26m

Istanbul

Wed 12/10

7:35 am-10:28 pm

3 stops25h 53m

$944

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 $911. 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 $1,079.

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

In the morning is the cheapest time of day to fly from Ontario to Istanbul Airport when you can find flight prices for as low as $822. Flying to Istanbul Airport in the morning is an ideal time because this is during off-peak travel hours. Flights in the evening are often more expensive with an average ticket price of $1,031.

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

Direct flights

None
There are no direct flights from Ontario to Istanbul Airport. There are no popular flight routes from Ontario to Istanbul Airport.
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  • 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 31m.

  • 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 many operators does momondo search for flights from Ontario Airport to Istanbul Airport?

  • 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.

  • What is the most popular airline from Ontario to Istanbul Airport?

Best airlines flying from Ontario to Istanbul Airport

Compare and see reviews for airlines that fly from Ontario to Istanbul Airport with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $1,195Free CancellationRating
7.4
8,926 reviews
Search United Airlines flights

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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