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₹ 9,051+ 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 6/5. 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
16 May — 23 May1
1 adult
1 adult, Economy, 0 bags

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 16 April 2026. In the last 7 days, Cheapflights users made a total of 454,620 searches

Fly to

Route

Depart

Return

Price

Cheapest return flight

OntarioSeattle

ONT - SEA

ONTSEA

Ontario

Wed 6/5

15:24-18:15

Nonstop2h 51m

Seattle/Tacoma Intl

Sun 10/5

07:05-09:45

Nonstop2h 40m

₹ 19,315

OntarioSeattle

ONT - SEA

ONTSEA

Ontario

Fri 8/5

13:35-16:35

Nonstop3h 00m

Seattle/Tacoma Intl

Sun 10/5

08:25-11:12

Nonstop2h 47m

₹ 20,248

OntarioSeattle

ONT - SEA

ONTSEA

Ontario

Wed 6/5

17:05-23:59

1 stop6h 54m

Seattle/Tacoma Intl

Sat 9/5

09:45-12:35

Nonstop2h 50m

₹ 24,447

OntarioSeattle

ONT - SEA

ONTSEA

Ontario

Tue 9/6

16:35-23:30

2 stops6h 55m

Seattle/Tacoma Intl

Sat 13/6

06:30-13:40

1 stop7h 10m

₹ 26,313

OntarioSeattle

ONT - SEA

ONTSEA

Ontario

Thu 7/5

05:15-14:10

2 stops8h 55m

Seattle/Tacoma Intl

Sat 9/5

06:40-16:45

2 stops10h 05m

₹ 27,246

OntarioSeattle

ONT - SEA

ONTSEA

Ontario

Sat 16/5

18:59-01:12

1 stop6h 13m

Seattle/Tacoma Intl

Tue 19/5

13:21-17:52

1 stop4h 31m

₹ 27,713

OntarioNewark

ONT - EWR

ONTEWR

Ontario

Wed 16/9

12:00-00:05

1 stop9h 05m

Newark

Tue 22/9

12:05-18:01

1 stop8h 56m

₹ 28,646

OntarioNewark

ONT - EWR

ONTEWR

Ontario

Wed 16/9

17:05-06:08

1 stop10h 03m

Newark

Mon 21/9

14:30-21:56

1 stop10h 26m

₹ 28,646

OntarioNewark

ONT - EWR

ONTEWR

Ontario

Wed 7/10

12:00-22:58

1 stop7h 58m

Newark

Wed 14/10

18:55-23:48

1 stop7h 53m

₹ 28,646

OntarioNewark

ONT - EWR

ONTEWR

Ontario

Mon 1/6

16:57-06:00

1 stop10h 03m

Newark

Sat 6/6

06:00-10:57

1 stop7h 57m

₹ 28,646

Flights are sorted by cheapest return flights first.

Deals found on 15/4

Showing 1-10 of 60 resultsSorted by cheapest first
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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 are popular destinations to fly to from Ontario?

Ontario offers frequent flights to Seattle (109 flights per day), Dallas (97 flights per day) and Atlanta (93 flights per day).

Seattle/Tacoma Intl
Seattle/Tacoma Intl
From ₹ 132,604
Portland
Portland
From ₹ 20,778

What is the cheapest place to fly to from Ontario?

The cheapest city to fly to from Ontario is Portland, with prices starting at ₹ 20,778. Explore other affordable destinations below.

Portland
Portland
From ₹ 20,778
Seattle/Tacoma Intl
Seattle/Tacoma Intl
From ₹ 132,604

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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 16 April 2026.

  • What are the most popular destinations to fly to from Ontario?

    For the current month, the most popular flights from Ontario are Las Vegas, Dallas/Fort Worth Airport, Denver. Las Vegas, Dallas/Fort Worth Airport, Denver 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 ₹ 20,778 to Portland (prices may vary depending on the airline and departure time). On average, users have booked flights for ₹ 80,028 to fly from Ontario.

  • What is the cheapest premium economy flight from Ontario?

    Options for some of the cheapest premium economy flights from Ontario we have found on Cheapflights are as follows:
    Fly from Ontario to Dallas/Fort Worth Airport starting at ₹ 192,826
    Fly from Ontario to Atlanta starting at ₹ 194,485

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

    Here are some of the cheapest flight destinations from Ontario:
    Fly from Ontario to Mumbai from ₹ 83,698 round trip
    Fly from Ontario to New Delhi from ₹ 88,550 round trip
    Fly from Ontario to Bengaluru from ₹ 103,013 round trip
    Fly from Ontario to Hyderabad from ₹ 124,381 round trip
    Fly from Ontario to Chennai from ₹ 133,432 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.

See more FAQs

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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