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₹ 4,471+ Cheap flights from Ontario

This is the cheapest return flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 17/5. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
ONT — DEL
28 Mar — 4 Apr1
1 adult

What to know about flights from Ontario

Discover essential information about flights departing from Ontario, including flight schedules, destinations, airlines operating at the Ontario airport, and any specific guidelines or requirements for travellers. Please note that the information is based on the most recent updates available. Data last updated 23 March 2025.

Cheapest one-way flight

₹ 3,300

Cheapest round-trip flight

₹ 63,548

Cheapest airline

Frontier

Most popular destination

Istanbul (IST)

Good one-way deal

₹ 48,431 or less
The cheapest one-way flight from Ontario is currently to San Francisco.
The cheapest round-trip flight from Ontario is currently to London Heathrow.
On average, Frontier currently has the cheapest one-way flight from Ontario (avg. price of ₹ 6,843).
Istanbul (IST) is currently the most popular flight destination from Ontario (average return price of ₹ 57,155).
Price to beat on a one-way flight from Ontario.

Find flights from Ontario

Cheapest flights from Ontario
Explore the most affordable flight options available from Ontario. Find the lowest fares based on data from user searches, with prices last updated on 23 March 2025.

Thu 1/516:29ONT - SEA
Nonstop3h 03mFrontier
Mon 5/518:50SEA - ONT
Nonstop2h 35mFrontier
Deal found 21/3₹ 14,015
Wed 16/411:33ONT - SEA
Nonstop2h 49mAlaska Airlines
Wed 30/412:59SEA - ONT
Nonstop2h 33mAlaska Airlines
Deal found 22/3₹ 15,219
Fri 18/405:45ONT - SEA
Nonstop2h 57mDelta
Wed 23/414:00SEA - ONT
Nonstop2h 44mDelta
Deal found 23/3₹ 16,079
Tue 22/415:40ONT - SEA
2 stops6h 50mSouthwest
Tue 29/406:15SEA - ONT
1 stop4h 45mSouthwest
Deal found 23/3₹ 17,368
Tue 15/407:00ONT - SEA
1 stop5h 48mHawaiian Airlines
Thu 17/421:23SEA - ONT
Nonstop2h 36mHawaiian Airlines
Deal found 22/3₹ 18,658
Thu 15/506:00ONT - SEA
1 stop7h 43mUnited Airlines
Sun 18/505:05SEA - ONT
1 stop7h 19mUnited Airlines
Deal found 22/3₹ 19,260
Sat 3/522:40ONT - JFK
Nonstop5h 20mJetBlue
Wed 7/518:00JFK - ONT
Nonstop6h 11mJetBlue
Deal found 23/3₹ 20,894
Fri 2/516:29ONT - JFK
1 stop10h 31mHawaiian Airlines
Wed 7/507:20JFK - ONT
1 stop11h 12mHawaiian Airlines
Deal found 23/3₹ 23,731
Mon 14/406:00ONT - JFK
1 stop9h 21mDelta
Mon 21/416:30JFK - ONT
1 stop9h 06mDelta
Deal found 23/3₹ 23,817
Tue 29/406:00ONT - JFK
1 stop10h 08mAlaska Airlines
Thu 8/517:29JFK - ONT
1 stop9h 30mAlaska Airlines
Deal found 21/3₹ 25,451
Thu 1/510:52ONT - JFK
1 stop15h 38mFrontier
Mon 5/506:59JFK - ONT
1 stop11h 40mFrontier
Deal found 23/3₹ 26,482
Fri 2/523:59ONT - JFK
2 stops10h 06mAmerican Airlines
Mon 5/515:59JFK - ONT
1 stop10h 44mAmerican Airlines
Deal found 23/3₹ 28,718

Find flights from Ontario within your budget

Find flights departing from Ontario that match your specified budget. Filter results by price range, allowing you to narrow down options and find flights that fit within your financial constraints. Please note that the search results are based on data from user searches, with fares last updated on 23 March 2025. In the last 7 days, Cheapflights users made a total of 454,620 searches

Fly to

New Delhi

Route

Depart

Return

Price

OntarioSeattle

ONT - SEA

ONTSEA

Ontario

Fri 8/8

18:35-23:10

1 stop4h 35m

Seattle/Tacoma Intl

Mon 18/8

09:00-15:25

1 stop6h 25m

₹ 23,129

OntarioNew York

ONT - JFK

ONTJFK

Ontario

Wed 21/5

22:59-07:19

Nonstop5h 20m

New York John F Kennedy Intl

Tue 27/5

18:00-21:11

Nonstop6h 11m

₹ 23,645

OntarioNew York

ONT - JFK

ONTJFK

Ontario

Fri 2/5

16:29-06:00

1 stop10h 31m

New York John F Kennedy Intl

Wed 7/5

07:20-15:32

1 stop11h 12m

₹ 23,731

OntarioSeattle

ONT - SEA

ONTSEA

Ontario

Sat 19/4

13:20-18:31

1 stop5h 11m

Seattle/Tacoma Intl

Mon 21/4

17:05-22:55

1 stop5h 50m

₹ 23,731

OntarioNew York

ONT - JFK

ONTJFK

Ontario

Mon 14/4

06:00-18:21

1 stop9h 21m

New York John F Kennedy Intl

Mon 21/4

16:30-22:36

1 stop9h 06m

₹ 23,817

OntarioSeattle

ONT - SEA

ONTSEA

Ontario

Sun 20/4

07:00-12:48

1 stop5h 48m

Seattle/Tacoma Intl

Sun 27/4

08:13-10:51

Nonstop2h 38m

₹ 23,817

OntarioSeattle

ONT - SEA

ONTSEA

Ontario

Fri 27/6

17:45-20:34

Nonstop2h 49m

Seattle/Tacoma Intl

Sat 5/7

19:55-22:46

Nonstop2h 51m

₹ 23,903

OntarioSeattle

ONT - SEA

ONTSEA

Ontario

Wed 30/4

00:59-11:31

1 stop10h 32m

Seattle/Tacoma Intl

Mon 5/5

18:50-21:25

Nonstop2h 35m

₹ 25,107

OntarioNew York

ONT - JFK

ONTJFK

Ontario

Tue 29/4

06:00-19:08

1 stop10h 08m

New York John F Kennedy Intl

Thu 8/5

17:29-23:59

1 stop9h 30m

₹ 25,451

OntarioNew York

ONT - JFK

ONTJFK

Ontario

Thu 1/5

10:52-05:30

1 stop15h 38m

New York John F Kennedy Intl

Mon 5/5

06:59-15:39

1 stop11h 40m

₹ 26,482

Flights are sorted by cheapest return flights first.

Deals found on 22/3

Showing 1-10 of 60 results
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Best time to book a flight from Ontario

Have a flexible travel schedule? Discover the best time to fly from Ontario with our price prediction graph.
Estimated return 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

Get recent, data-driven insights about flights from Ontario including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Ontario?

Currently, April is the cheapest month in which you can book a flight from Ontario (average of ₹ 66,034). Flying from Ontario in July will prove the most costly (average of ₹ 83,574). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

Airline reviews for flights from Ontario

Get insights into the airlines that provide service from Ontario. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing airline for your flight from Ontario. In the last 7 days, Cheapflights users made a total of 454,620 searches.

Overall

8.3

Food

7.7

Crew

8.7

Comfort

8.2

Boarding

8.4

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

mark,Nov 2024

YVR - NRT

I like that flight because super nice and friendly. I’m a senior and quick not comfortable to ask what I need help. But would be nicer if they check us if we need any more help because we are not able to leave our seat. However Japan Aniline is my on top priority

Overall

8.3

Food

7.7

Crew

8.7

Comfort

8.2

Boarding

8.4

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

mark,Nov 2024

YVR - NRT

I like that flight because super nice and friendly. I’m a senior and quick not comfortable to ask what I need help. But would be nicer if they check us if we need any more help because we are not able to leave our seat. However Japan Aniline is my on top priority
8.0
Very Good

Overall

8.3

Food

7.7

Crew

8.7

Comfort

8.2

Boarding

8.4

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

mark,Nov 2024

YVR - NRT

I like that flight because super nice and friendly. I’m a senior and quick not comfortable to ask what I need help. But would be nicer if they check us if we need any more help because we are not able to leave our seat. However Japan Aniline is my on top priority

Overall

8.3

Food

7.7

Crew

8.7

Comfort

8.2

Boarding

8.4

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

mark,Nov 2024

YVR - NRT

I like that flight because super nice and friendly. I’m a senior and quick not comfortable to ask what I need help. But would be nicer if they check us if we need any more help because we are not able to leave our seat. However Japan Aniline is my on top priority

Overall

8.3

Food

7.7

Crew

8.7

Comfort

8.2

Boarding

8.4

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

mark,Nov 2024

YVR - NRT

I like that flight because super nice and friendly. I’m a senior and quick not comfortable to ask what I need help. But would be nicer if they check us if we need any more help because we are not able to leave our seat. However Japan Aniline is my on top priority

Overall

8.3

Food

7.7

Crew

8.7

Comfort

8.2

Boarding

8.4

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

mark,Nov 2024

YVR - NRT

I like that flight because super nice and friendly. I’m a senior and quick not comfortable to ask what I need help. But would be nicer if they check us if we need any more help because we are not able to leave our seat. However Japan Aniline is my on top priority

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Related info for your journey

Access useful and relevant information related to your journey from Ontario. This can include details such as airport transportation, visa requirements, travel insurance, luggage regulations, and any other information that can ensure a smooth and hassle-free travel experience. Please note that the information is based on general guidance and may need to be verified with official sources. Data last updated 23 March 2025.
  • What are the most popular destinations to fly to from Ontario?

    For the current month, the most popular flights from Ontario are Dallas/Fort Worth Airport, Denver, Guadalajara. Denver, Dallas/Fort Worth Airport, Guadalajara are the most popular locations from Ontario year round.

  • What is the cheapest flight from Ontario to anywhere?

    Users have flown out of Ontario for as low as ₹ 47,880 to Salt Lake City (prices may vary depending on the airline and departure time). On average, users have booked flights for ₹ 48,431 to fly from Ontario.

  • What is the cheapest month to fly from Ontario?

    April is currently the cheapest month to fly from Ontario. At this moment in time July is the most expensive month. These prices are determined by multiple factors and booking in advance can help keep costs down if your schedule is not as flexible.

  • Where are the cheapest places to fly to from Ontario?

    Here are some of the cheapest flight destinations from Ontario:
    Fly from Ontario to New Delhi from ₹ 64,658 round trip
    Fly from Ontario to Mumbai from ₹ 69,215 round trip
    Fly from Ontario to Hyderabad from ₹ 95,268 round trip

  • How does Cheapflights help users find flights from Ontario?

    900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight from Ontario today with Cheapflights!

  • Why should you use Cheapflights to find cheap flight tickets from Ontario?

    Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Ontario for you. Better yet — we are completely free to use.

  • Can Cheapflights find flights from Ontario with no change fees?

    Yes, we can. To see specific flights from Ontario with no change fees, users can toggle flexible booking options after using the search form above to find flights.

  • Can Cheapflights notify me if prices for flights from Ontario become cheaper?

    Of course! You can now track prices for flights from Ontario and get an alert from Cheapflights when they change. Click the bell icon next to the flight deals above and provide your email address to set up price alerts.

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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Ontario?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight from Ontario today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Ontario?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Ontario for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Ontario with no change fees?

Yes, we can. To see specific flights from Ontario with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Ontario become cheaper?

Of course! You can now track prices for flights from Ontario and get an alert from Cheapflights when they change. Click the bell icon next to the flight deals above and provide your email address to set up price alerts.

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