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₹ 12,273+ 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 3/6. 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
11 Jun — 18 Jun1
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 12 May 2026.

Fly to

Route

Depart

Return

Price

Cheapest return flight

OntarioSeattle

ONT - SEA

ONTSEA

Ontario

Wed 3/6

06:00-08:52

Nonstop2h 52m

Seattle/Tacoma Intl

Sat 6/6

08:30-11:10

Nonstop2h 40m

₹ 18,742

OntarioSeattle

ONT - SEA

ONTSEA

Ontario

Tue 2/6

06:00-08:52

Nonstop2h 52m

Seattle/Tacoma Intl

Mon 8/6

21:22-23:58

Nonstop2h 36m

₹ 19,693

OntarioSeattle

ONT - SEA

ONTSEA

Ontario

Tue 2/6

06:00-08:52

Nonstop2h 52m

Seattle/Tacoma Intl

Sun 7/6

08:30-11:10

Nonstop2h 40m

₹ 19,693
Fastest return journey

OntarioSeattle

ONT - SEA

ONTSEA

Ontario

Mon 1/6

20:11-23:00

Nonstop2h 49m

Seattle/Tacoma Intl

Mon 8/6

21:22-23:58

Nonstop2h 36m

₹ 20,645

OntarioSeattle

ONT - SEA

ONTSEA

Ontario

Thu 28/5

16:03-18:52

Nonstop2h 49m

Seattle/Tacoma Intl

Mon 1/6

21:22-23:58

Nonstop2h 36m

₹ 20,645

OntarioSeattle

ONT - SEA

ONTSEA

Ontario

Thu 4/6

16:03-18:52

Nonstop2h 49m

Seattle/Tacoma Intl

Sun 7/6

08:30-11:10

Nonstop2h 40m

₹ 20,645

OntarioSeattle

ONT - SEA

ONTSEA

Ontario

Wed 3/6

11:52-14:53

Nonstop3h 01m

Seattle/Tacoma Intl

Tue 9/6

19:50-22:41

Nonstop2h 51m

₹ 21,691

OntarioSeattle

ONT - SEA

ONTSEA

Ontario

Sat 6/6

16:03-18:52

Nonstop2h 49m

Seattle/Tacoma Intl

Mon 8/6

08:30-11:10

Nonstop2h 40m

₹ 22,547

OntarioSeattle

ONT - SEA

ONTSEA

Ontario

Fri 29/5

13:35-16:35

Nonstop3h 00m

Seattle/Tacoma Intl

Mon 1/6

09:45-12:33

Nonstop2h 48m

₹ 24,450

OntarioSeattle

ONT - SEA

ONTSEA

Ontario

Wed 3/6

17:50-20:50

Nonstop3h 00m

Seattle/Tacoma Intl

Wed 10/6

14:35-17:19

Nonstop2h 44m

₹ 24,926

Flights are sorted by cheapest return flights first.

Deals found on 8/5

Showing 1-10 of 47 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.

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