Fly to

Route

Depart

Return

Price

Cheapest return flight

OntarioSeattle

ONT Ontario - SEA Seattle/Tacoma Intl

ONTSEA

Ontario

Sat 17/10

18:01-21:00

Nonstop2h 59m

Seattle/Tacoma Intl

Tue 20/10

08:25-11:16

Nonstop2h 51m

₹ 23,638

OntarioSeattle

ONT Ontario - SEA Seattle/Tacoma Intl

ONTSEA

Ontario

Thu 15/10

06:02-08:49

Nonstop2h 47m

Seattle/Tacoma Intl

Sat 17/10

07:30-10:17

Nonstop2h 47m

₹ 25,073

OntarioSeattle

ONT Ontario - SEA Seattle/Tacoma Intl

ONTSEA

Ontario

Fri 30/10

06:02-08:49

Nonstop2h 47m

Seattle/Tacoma Intl

Sat 31/10

07:30-10:17

Nonstop2h 47m

₹ 25,073

OntarioSeattle

ONT Ontario - SEA Seattle/Tacoma Intl

ONTSEA

Ontario

Wed 16/9

06:00-09:00

Nonstop3h 00m

Seattle/Tacoma Intl

Sun 20/9

08:20-11:14

Nonstop2h 54m

₹ 25,073

OntarioSeattle

ONT Ontario - SEA Seattle/Tacoma Intl

ONTSEA

Ontario

Fri 25/9

11:54-14:50

Nonstop2h 56m

Seattle/Tacoma Intl

Tue 29/9

08:20-11:14

Nonstop2h 54m

₹ 25,073

OntarioSeattle

ONT Ontario - SEA Seattle/Tacoma Intl

ONTSEA

Ontario

Sat 26/9

06:00-09:00

Nonstop3h 00m

Seattle/Tacoma Intl

Sun 27/9

08:20-11:14

Nonstop2h 54m

₹ 25,073

OntarioSeattle

ONT Ontario - SEA Seattle/Tacoma Intl

ONTSEA

Ontario

Sat 10/10

18:01-21:00

Nonstop2h 59m

Seattle/Tacoma Intl

Sun 11/10

08:25-11:16

Nonstop2h 51m

₹ 25,169

Fastest return journey

OntarioSeattle

ONT Ontario - SEA Seattle/Tacoma Intl

ONTSEA

Ontario

Thu 14/1

11:36-14:26

Nonstop2h 50m

Seattle/Tacoma Intl

Thu 21/1

08:00-10:38

Nonstop2h 38m

₹ 26,509

OntarioNew York

ONT Ontario - JFK New York John F Kennedy Intl

ONTJFK

Ontario

Sun 4/10

22:39-07:00

Nonstop5h 21m

New York John F Kennedy Intl

Wed 14/10

19:00-22:09

Nonstop6h 09m

₹ 37,993

OntarioNew York

ONT Ontario - JFK New York John F Kennedy Intl

ONTJFK

Ontario

Fri 18/9

22:39-07:00

Nonstop5h 21m

New York John F Kennedy Intl

Wed 23/9

17:59-20:57

Nonstop5h 58m

₹ 37,993

Flights are sorted by cheapest return flights first.

Deals found on 20/8

Showing 1-10 of 37 resultsSorted by cheapest first

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.

ONT-DEL

ONT-SEA

ONT-JFK

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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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 17/9. 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.

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Best time to book a flight from Ontario

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Direct flights from California cities

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₹ 8,517+ 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 17/9. 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.

Find direct flights from Ontario within your budget

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.

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Direct flights from California cities

Book a direc flight from one of these other cities located in California.

Direct flights from North America cities

Book a direct flight from one of these popular origins located in North America.

Direct flights from United States

Book a direct flight from one of these popular origins located in United States.

Direct flights to United States

Consider flying direct to one of these destinations in United States

100% Free

Book With Flexibility

Travel Smart