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₹ 4,413+ 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 29/5. 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
18 May — 25 May1
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 13 May 2025.

Cheapest one-way flight

₹ 4,963

Cheapest round-trip flight

₹ 63,392

Cheapest airline

Frontier

Most popular destination

San Francisco (SFO)

Good round-trip deal

₹ 4,982 or less

Good one-way deal

₹ 7,494 or less
The cheapest one-way flight from Ontario is currently to San Francisco.
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The cheapest round-trip flight from Ontario is currently to London Heathrow.
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On average, Frontier currently has the cheapest one-way flight from Ontario (avg. price of ₹ 5,726).
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San Francisco (SFO) is currently the most popular flight destination from Ontario (average return price of ₹ 7,516).
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Price to beat on a round-trip flight from Ontario.
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Price to beat on a one-way flight from Ontario.
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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 13 May 2025.

Sat 30/806:00ONT - SEA
Nonstop2h 48mHawaiian Airlines
Sat 6/921:17SEA - ONT
Nonstop2h 42mHawaiian Airlines
Deal found 12/5₹ 15,021
Mon 18/813:19ONT - SEA
1 stop5h 39mUnited Airlines
Thu 21/813:00SEA - ONT
1 stop4h 37mUnited Airlines
Deal found 12/5₹ 15,446
Tue 9/915:04ONT - SEA
Nonstop2h 40mAlaska Airlines
Fri 19/921:17SEA - ONT
Nonstop2h 42mAlaska Airlines
Deal found 11/5₹ 15,870
Thu 21/818:35ONT - SEA
1 stop4h 35mSouthwest
Sun 24/808:20SEA - ONT
1 stop4h 35mSouthwest
Deal found 12/5₹ 20,113
Thu 3/715:05ONT - SEA
Nonstop2h 50mDelta
Fri 4/707:30SEA - ONT
Nonstop2h 55mDelta
Deal found 12/5₹ 21,811
Tue 16/923:00ONT - JFK
Nonstop5h 23mJetBlue
Tue 23/918:35JFK - ONT
Nonstop6h 06mJetBlue
Deal found 12/5₹ 21,811
Mon 2/614:55ONT - JFK
1 stop12h 19mDelta
Sat 7/607:00JFK - ONT
1 stop10h 15mDelta
Deal found 12/5₹ 24,781
Tue 16/919:22ONT - JFK
1 stop8h 44mAlaska Airlines
Sat 20/917:29JFK - ONT
1 stop9h 24mAlaska Airlines
Deal found 12/5₹ 25,121
Mon 7/700:59ONT - JFK
1 stop7h 52mAmerican Airlines
Fri 11/714:40JFK - ONT
1 stop9h 58mAmerican Airlines
Deal found 11/5₹ 35,644
Fri 23/505:10ONT - DEL
2 stops27h 50mUnited Airlines
Sat 31/523:35DEL - ONT
2 stops33h 59mUnited Airlines
Deal found 11/5₹ 64,838
Tue 10/606:25ONT - DEL
2 stops31h 00mDelta
Wed 9/703:55DEL - ONT
2 stops32h 17mDelta
Deal found 11/5₹ 67,299
Tue 1/722:28ONT - DEL
2 stops34h 02mAmerican Airlines
Thu 7/823:30DEL - ONT
2 stops53h 24mAmerican Airlines
Deal found 11/5₹ 78,756

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 13 May 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

Tue 27/5

18:41-00:59

1 stop6h 18m

Seattle/Tacoma Intl

Sat 31/5

17:40-22:45

1 stop5h 05m

₹ 22,659

OntarioNew York

ONT - JFK

ONTJFK

Ontario

Wed 3/9

23:00-07:23

Nonstop5h 23m

New York John F Kennedy Intl

Tue 9/9

18:35-21:41

Nonstop6h 06m

₹ 22,659

OntarioSeattle

ONT - SEA

ONTSEA

Ontario

Sat 4/10

07:10-17:00

2 stops9h 50m

Seattle/Tacoma Intl

Fri 10/10

09:54-12:37

Nonstop2h 43m

₹ 22,829

OntarioSeattle

ONT - SEA

ONTSEA

Ontario

Thu 29/5

11:51-14:35

Nonstop2h 44m

Seattle/Tacoma Intl

Sun 1/6

20:15-22:46

Nonstop2h 31m

₹ 23,508

OntarioSeattle

ONT - SEA

ONTSEA

Ontario

Tue 27/5

14:55-17:55

Nonstop3h 00m

Seattle/Tacoma Intl

Sat 31/5

15:35-18:20

Nonstop2h 45m

₹ 23,593

OntarioSeattle

ONT - SEA

ONTSEA

Ontario

Sat 14/6

16:15-00:30

1 stop8h 15m

Seattle/Tacoma Intl

Thu 19/6

05:30-11:35

1 stop6h 05m

₹ 23,932

OntarioNew York

ONT - JFK

ONTJFK

Ontario

Mon 2/6

14:55-06:14

1 stop12h 19m

New York John F Kennedy Intl

Sat 7/6

07:00-14:15

1 stop10h 15m

₹ 24,781

OntarioNew York

ONT - JFK

ONTJFK

Ontario

Tue 16/9

19:22-07:06

1 stop8h 44m

New York John F Kennedy Intl

Tue 23/9

07:29-14:09

1 stop9h 40m

₹ 25,121

OntarioNew York

ONT - JFK

ONTJFK

Ontario

Mon 7/7

00:59-11:51

1 stop7h 52m

New York John F Kennedy Intl

Fri 11/7

14:40-21:38

1 stop9h 58m

₹ 35,644

OntarioNew Delhi

ONT - DEL

ONTDEL

Ontario

Fri 23/5

05:10-21:30

2 stops27h 50m

New Delhi Indira Gandhi Intl

Sat 31/5

23:35-21:04

2 stops33h 59m

₹ 64,838

Flights are sorted by cheapest return flights first.

Deals found on 12/5

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 ₹ 63,820). Flying from Ontario in July will prove the most costly (average of ₹ 76,974). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

What are popular destinations to fly to from Ontario?

Ontario offers frequent flights to Dallas (126 flights per day), Seattle (106 flights per day) and Salt Lake City (67 flights per day).

San Francisco

San Francisco

From ₹ 59

Salt Lake City

Salt Lake City

From ₹ 557

Phoenix Sky Harbor Intl

Phoenix Sky Harbor Intl

From ₹ 183

Seattle/Tacoma Intl

Seattle/Tacoma Intl

From ₹ 88

What is the cheapest place to fly to from Ontario?

The cheapest city to fly to from Ontario is San Francisco, with prices starting at ₹ 4,972. Explore other affordable destinations below.

San Francisco

San Francisco

From ₹ 59

Seattle/Tacoma Intl

Seattle/Tacoma Intl

From ₹ 88

Phoenix Sky Harbor Intl

Phoenix Sky Harbor Intl

From ₹ 183

Salt Lake City

Salt Lake City

From ₹ 557

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.
Japan Airlines
8.3
Very Good
1,472 reviews
Check prices

Food

7.7

Boarding

8.4

Overall

8.3

Crew

8.7

Entertainment

7.8

Comfort

8.2

Reviews

1 / 20
8.0
Excellent

Anonymous,May 2025

MAA - DEL

1. No information on business class lounge access in Delhi airport. 2. Special meals ordered confirmed in JAL website but not in confirmation email. So meal Was not served on the flight.
Japan Airlines
8.3
Very Good
1,472 reviews
Japan Airlines
8.3
Very Good
1,472 reviews
Check prices

Food

7.7

Boarding

8.4

Overall

8.3

Crew

8.7

Entertainment

7.8

Comfort

8.2

Reviews

1 / 20
8.0
Excellent

Anonymous,May 2025

MAA - DEL

1. No information on business class lounge access in Delhi airport. 2. Special meals ordered confirmed in JAL website but not in confirmation email. So meal Was not served on the flight.
Delta
8.0
Very Good
7,950 reviews
Japan Airlines
8.3
Very Good
1,472 reviews
Check prices

Food

7.7

Boarding

8.4

Overall

8.3

Crew

8.7

Entertainment

7.8

Comfort

8.2

Reviews

1 / 20
8.0
Excellent

Anonymous,May 2025

MAA - DEL

1. No information on business class lounge access in Delhi airport. 2. Special meals ordered confirmed in JAL website but not in confirmation email. So meal Was not served on the flight.
KLM
7.8
Good
1,342 reviews
Japan Airlines
8.3
Very Good
1,472 reviews
Check prices

Food

7.7

Boarding

8.4

Overall

8.3

Crew

8.7

Entertainment

7.8

Comfort

8.2

Reviews

1 / 20
8.0
Excellent

Anonymous,May 2025

MAA - DEL

1. No information on business class lounge access in Delhi airport. 2. Special meals ordered confirmed in JAL website but not in confirmation email. So meal Was not served on the flight.
Qatar Airways
7.4
Good
3,570 reviews
Japan Airlines
8.3
Very Good
1,472 reviews
Check prices

Food

7.7

Boarding

8.4

Overall

8.3

Crew

8.7

Entertainment

7.8

Comfort

8.2

Reviews

1 / 20
8.0
Excellent

Anonymous,May 2025

MAA - DEL

1. No information on business class lounge access in Delhi airport. 2. Special meals ordered confirmed in JAL website but not in confirmation email. So meal Was not served on the flight.
Etihad Airways
7.4
Good
1,206 reviews
Japan Airlines
8.3
Very Good
1,472 reviews
Check prices

Food

7.7

Boarding

8.4

Overall

8.3

Crew

8.7

Entertainment

7.8

Comfort

8.2

Reviews

1 / 20
8.0
Excellent

Anonymous,May 2025

MAA - DEL

1. No information on business class lounge access in Delhi airport. 2. Special meals ordered confirmed in JAL website but not in confirmation email. So meal Was not served on the flight.

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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 13 May 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 ₹ 4,972 to San Francisco (prices may vary depending on the airline and departure time). On average, users have booked flights for ₹ 20,194 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 ₹ 64,838 round trip
    Fly from Ontario to Mumbai from ₹ 65,857 round trip
    Fly from Ontario to Hyderabad from ₹ 91,741 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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