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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 1/2. 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
5 Feb — 12 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 6 January 2026.

Thu 29/106:00ONT - SEA
Nonstop2h 54mAlaska Airlines
Mon 2/221:20SEA - ONT
Nonstop2h 36mAlaska Airlines
Deal found 5/1₹ 10,736
Sat 7/306:14ONT - SEA
Nonstop2h 55mAlaska Airlines
Sat 14/320:56SEA - ONT
Nonstop2h 36mAlaska Airlines
Deal found 4/1₹ 12,450
Thu 5/206:00ONT - SEA
Nonstop2h 54mAlaska Airlines
Sun 8/221:20SEA - ONT
Nonstop2h 36mAlaska Airlines
Deal found 4/1₹ 12,540
Sat 31/111:53ONT - SEA
Nonstop2h 51mAlaska Airlines
Sat 31/118:00SEA - ONT
Nonstop2h 36mAlaska Airlines
Deal found 5/1₹ 13,893
Wed 22/406:00ONT - SEA
Nonstop2h 50mAlaska Airlines
Sat 25/419:50SEA - ONT
Nonstop2h 42mAlaska Airlines
Deal found 4/1₹ 14,164
Sat 7/306:14ONT - SEA
Nonstop2h 55mAlaska Airlines
Mon 9/308:30SEA - ONT
Nonstop2h 38mAlaska Airlines
Deal found 5/1₹ 14,254
Sun 1/206:00ONT - SEA
Nonstop2h 54mAlaska Airlines
Thu 5/221:20SEA - ONT
Nonstop2h 36mAlaska Airlines
Deal found 5/1₹ 14,344
Wed 6/511:53ONT - SEA
Nonstop3h 04mDelta
Sun 10/510:00SEA - ONT
Nonstop2h 49mDelta
Deal found 5/1₹ 15,066
Wed 4/216:03ONT - SEA
Nonstop2h 51mAlaska Airlines
Wed 11/212:31SEA - ONT
Nonstop2h 37mAlaska Airlines
Deal found 5/1₹ 15,156
Fri 1/519:59ONT - SEA
Nonstop2h 51mAlaska Airlines
Mon 4/521:17SEA - ONT
Nonstop2h 42mAlaska Airlines
Deal found 5/1₹ 15,968
Thu 29/107:30ONT - SEA
Nonstop3h 06mDelta
Sun 1/211:15SEA - ONT
Nonstop2h 41mDelta
Deal found 5/1₹ 16,058
Sun 15/206:14ONT - SEA
Nonstop2h 55mAlaska Airlines
Thu 19/220:56SEA - ONT
Nonstop2h 36mAlaska Airlines
Deal found 5/1₹ 16,148

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 6 January 2026.

Fly to

New Delhi

Route

Depart

Return

Price

OntarioSeattle

ONT - SEA

ONTSEA

Ontario

Thu 29/1

06:00-08:54

Nonstop2h 54m

Seattle/Tacoma Intl

Mon 2/2

21:20-23:56

Nonstop2h 36m

₹ 10,736

OntarioSeattle

ONT - SEA

ONTSEA

Ontario

Sat 14/3

06:00-08:54

Nonstop2h 54m

Seattle/Tacoma Intl

Sun 15/3

19:50-22:34

Nonstop2h 44m

₹ 10,736

OntarioSeattle

ONT - SEA

ONTSEA

Ontario

Tue 3/2

16:03-18:54

Nonstop2h 51m

Seattle/Tacoma Intl

Tue 10/2

18:00-20:36

Nonstop2h 36m

₹ 10,736

OntarioSeattle

ONT - SEA

ONTSEA

Ontario

Fri 30/1

06:00-08:54

Nonstop2h 54m

Seattle/Tacoma Intl

Mon 9/2

21:20-23:56

Nonstop2h 36m

₹ 10,736

OntarioSeattle

ONT - SEA

ONTSEA

Ontario

Sat 7/2

16:03-18:54

Nonstop2h 51m

Seattle/Tacoma Intl

Mon 9/2

21:20-23:56

Nonstop2h 36m

₹ 10,736

OntarioSeattle

ONT - SEA

ONTSEA

Ontario

Fri 6/2

16:03-18:54

Nonstop2h 51m

Seattle/Tacoma Intl

Mon 9/2

21:20-23:56

Nonstop2h 36m

₹ 10,736

OntarioSeattle

ONT - SEA

ONTSEA

Ontario

Mon 26/1

06:00-08:54

Nonstop2h 54m

Seattle/Tacoma Intl

Mon 2/2

12:31-15:08

Nonstop2h 37m

₹ 10,736

OntarioSeattle

ONT - SEA

ONTSEA

Ontario

Wed 28/1

11:53-14:44

Nonstop2h 51m

Seattle/Tacoma Intl

Tue 3/2

12:31-15:08

Nonstop2h 37m

₹ 10,736

OntarioSeattle

ONT - SEA

ONTSEA

Ontario

Tue 10/2

16:03-18:54

Nonstop2h 51m

Seattle/Tacoma Intl

Wed 18/2

20:05-22:44

Nonstop2h 39m

₹ 10,736

OntarioSeattle

ONT - SEA

ONTSEA

Ontario

Sat 31/1

11:53-14:44

Nonstop2h 51m

Seattle/Tacoma Intl

Mon 9/2

21:20-23:56

Nonstop2h 36m

₹ 10,736

Flights are sorted by cheapest return flights first.

Deals found on 4/1

Showing 1-10 of 20 results
1
2

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 6 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, January 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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