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₹ 7,217+ 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 6/2. 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
10 Feb — 17 Feb1
1 adult
1 adult, Economy, 0 bags

Direct flights from Ontario

Enter your travel dates to find the best prices.

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 11 January 2026.

Sat 14/216:02ONT - SEA
Nonstop2h 50mAlaska Airlines
Fri 20/220:56SEA - ONT
Nonstop2h 36mAlaska Airlines
Deal found 9/1₹ 10,736
Wed 25/216:02ONT - SEA
Nonstop2h 50mAlaska Airlines
Wed 11/308:30SEA - ONT
Nonstop2h 38mAlaska Airlines
Deal found 9/1₹ 12,450
Fri 13/206:14ONT - SEA
Nonstop2h 55mAlaska Airlines
Fri 20/220:56SEA - ONT
Nonstop2h 36mAlaska Airlines
Deal found 9/1₹ 12,540
Sat 28/216:02ONT - SEA
Nonstop2h 50mAlaska Airlines
Sat 7/312:30SEA - ONT
Nonstop2h 38mAlaska Airlines
Deal found 10/1₹ 14,164
Thu 5/215:30ONT - SEA
Nonstop3h 05mDelta
Sat 7/220:00SEA - ONT
Nonstop2h 44mDelta
Deal found 11/1₹ 14,254
Tue 24/216:02ONT - SEA
Nonstop2h 50mAlaska Airlines
Fri 27/220:56SEA - ONT
Nonstop2h 36mAlaska Airlines
Deal found 9/1₹ 14,344
Thu 5/207:30ONT - SEA
Nonstop3h 06mDelta
Sun 8/211:15SEA - ONT
Nonstop2h 41mDelta
Deal found 11/1₹ 14,435
Wed 18/206:14ONT - SEA
Nonstop2h 55mAlaska Airlines
Fri 27/220:56SEA - ONT
Nonstop2h 36mAlaska Airlines
Deal found 10/1₹ 15,066
Fri 20/206:14ONT - SEA
Nonstop2h 55mAlaska Airlines
Mon 23/220:56SEA - ONT
Nonstop2h 36mAlaska Airlines
Deal found 9/1₹ 15,156
Thu 19/206:14ONT - SEA
Nonstop2h 55mAlaska Airlines
Thu 26/220:56SEA - ONT
Nonstop2h 36mAlaska Airlines
Deal found 10/1₹ 15,968
Wed 18/207:30ONT - SEA
Nonstop3h 04mDelta
Fri 27/219:55SEA - ONT
Nonstop2h 42mDelta
Deal found 10/1₹ 16,059
Wed 11/316:02ONT - SEA
Nonstop2h 50mAlaska Airlines
Fri 13/320:56SEA - ONT
Nonstop2h 36mAlaska Airlines
Deal found 9/1₹ 16,149

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 11 January 2026.

Fly to

New Delhi

Route

Depart

Return

Price

OntarioSeattle

ONT - SEA

ONTSEA

Ontario

Sat 14/2

16:02-18:52

Nonstop2h 50m

Seattle/Tacoma Intl

Fri 20/2

20:56-23:32

Nonstop2h 36m

₹ 10,736

OntarioSeattle

ONT - SEA

ONTSEA

Ontario

Tue 3/2

07:30-10:36

Nonstop3h 06m

Seattle/Tacoma Intl

Tue 10/2

11:15-13:56

Nonstop2h 41m

₹ 10,736

OntarioSeattle

ONT - SEA

ONTSEA

Ontario

Tue 12/5

15:26-18:17

Nonstop2h 51m

Seattle/Tacoma Intl

Tue 19/5

16:10-18:47

Nonstop2h 37m

₹ 14,164

OntarioSeattle

ONT - SEA

ONTSEA

Ontario

Wed 18/2

12:02-14:52

Nonstop2h 50m

Seattle/Tacoma Intl

Sat 28/2

20:56-23:32

Nonstop2h 36m

₹ 14,164

OntarioSeattle

ONT - SEA

ONTSEA

Ontario

Wed 18/2

06:14-09:09

Nonstop2h 55m

Seattle/Tacoma Intl

Wed 25/2

20:05-22:44

Nonstop2h 39m

₹ 14,164

OntarioSeattle

ONT - SEA

ONTSEA

Ontario

Sat 28/2

16:02-18:52

Nonstop2h 50m

Seattle/Tacoma Intl

Sat 7/3

12:30-15:08

Nonstop2h 38m

₹ 14,164

OntarioSeattle

ONT - SEA

ONTSEA

Ontario

Sat 28/2

16:02-18:52

Nonstop2h 50m

Seattle/Tacoma Intl

Wed 4/3

08:30-11:08

Nonstop2h 38m

₹ 14,164

OntarioSeattle

ONT - SEA

ONTSEA

Ontario

Fri 6/2

15:30-18:35

Nonstop3h 05m

Seattle/Tacoma Intl

Sat 7/2

20:00-22:44

Nonstop2h 44m

₹ 14,254

OntarioSeattle

ONT - SEA

ONTSEA

Ontario

Fri 20/3

19:08-21:57

Nonstop2h 49m

Seattle/Tacoma Intl

Mon 23/3

21:24-23:59

Nonstop2h 35m

₹ 14,344

OntarioSeattle

ONT - SEA

ONTSEA

Ontario

Wed 25/2

12:02-14:52

Nonstop2h 50m

Seattle/Tacoma Intl

Fri 27/2

20:56-23:32

Nonstop2h 36m

₹ 14,344

Flights are sorted by cheapest return flights first.

Deals found on 9/1

Showing 1-10 of 22 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.

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 11 January 2026.

  • Where can you fly direct from Ontario?

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

  • 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, February is worth consideration as prices are at their lowest, on average. In terms of the number of daily non-stop flights, January offers travelers the most options.

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