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₹ 12,248+ Direct flights from Ontario

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 20/6. 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
13 Jul — 20 Jul1
1 adult
1 adult, Economy, 0 bags

Find direct flights from Ontario within your budget

 
Use the slider to find direct flights from Ontario within your budget. Price data is based on user searches made on Cheapflights. Over the past seven days, Cheapflights users made 454,620 searches. This data was last updated on 13 June 2026.

Fly to

Route

Depart

Return

Price

Cheapest return flight

OntarioSeattle

ONT - SEA

ONTSEA

Ontario

Tue 20/10

11:55-14:58

Nonstop3h 03m

Seattle/Tacoma Intl

Sat 24/10

14:35-17:17

Nonstop2h 42m

₹ 22,502

OntarioSeattle

ONT - SEA

ONTSEA

Ontario

Fri 25/9

11:44-14:40

Nonstop2h 56m

Seattle/Tacoma Intl

Tue 29/9

08:10-11:04

Nonstop2h 54m

₹ 23,451

OntarioSeattle

ONT - SEA

ONTSEA

Ontario

Wed 4/11

17:50-20:50

Nonstop3h 00m

Seattle/Tacoma Intl

Fri 20/11

08:25-11:16

Nonstop2h 51m

₹ 26,774

OntarioSeattle

ONT - SEA

ONTSEA

Ontario

Sun 20/9

11:44-14:40

Nonstop2h 56m

Seattle/Tacoma Intl

Wed 23/9

14:30-17:20

Nonstop2h 50m

₹ 29,148
Fastest return journey

OntarioSeattle

ONT - SEA

ONTSEA

Ontario

Sat 8/8

14:05-16:45

Nonstop2h 40m

Seattle/Tacoma Intl

Tue 11/8

20:33-23:11

Nonstop2h 38m

₹ 31,047

OntarioSeattle

ONT - SEA

ONTSEA

Ontario

Fri 20/11

16:00-18:41

Nonstop2h 41m

Seattle/Tacoma Intl

Fri 27/11

19:55-22:39

Nonstop2h 44m

₹ 31,047

OntarioSeattle

ONT - SEA

ONTSEA

Ontario

Mon 6/7

14:05-16:45

Nonstop2h 40m

Seattle/Tacoma Intl

Mon 13/7

10:25-13:09

Nonstop2h 44m

₹ 31,047

OntarioSeattle

ONT - SEA

ONTSEA

Ontario

Thu 30/7

18:01-20:50

Nonstop2h 49m

Seattle/Tacoma Intl

Mon 3/8

19:50-22:45

Nonstop2h 55m

₹ 31,047

OntarioSeattle

ONT - SEA

ONTSEA

Ontario

Fri 31/7

18:01-20:50

Nonstop2h 49m

Seattle/Tacoma Intl

Mon 3/8

19:50-22:45

Nonstop2h 55m

₹ 31,047

OntarioSeattle

ONT - SEA

ONTSEA

Ontario

Tue 30/6

06:20-09:17

Nonstop2h 57m

Seattle/Tacoma Intl

Mon 13/7

19:59-22:52

Nonstop2h 53m

₹ 31,047

Flights are sorted by cheapest return flights first.

Deals found on 9/6

Showing 1-10 of 22 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.

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 June 2026.

  • Where can you fly direct from Ontario?

    Currently, the most popular direct flight destination from Ontario is Seattle.

  • How long is a direct flight from Ontario?

    While the flight duration depends heavily on the destination, on average, travelers can expect non-stop flights from Ontario to last approximately 2h 57m on average. The quickest direct flight from Ontario at this time departs from Ontario (2h 57m), while the longest leaves from Ontario (2h 57m).

  • What is the best time of year to fly direct from Ontario?

    If you're seeking the lowest price on a direct flight from Ontario, January is worth consideration as prices are at their lowest, on average. In terms of the number of daily non-stop flights, February offers travelers the most options.

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