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₹ 8,969+ 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 14/3. 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 — MCO
15 Mar — 22 Mar1
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 13 February 2026.

Thu 5/306:14
ONT
-
SEA
Nonstop2h 55m
Alaska Airlines
Sun 8/308:30
SEA
-
ONT
Nonstop2h 38m
Alaska Airlines
Deal found 12/2₹ 12,411
Wed 4/312:02
ONT
-
SEA
Nonstop2h 50m
Alaska Airlines
Sat 7/308:30
SEA
-
ONT
Nonstop2h 38m
Alaska Airlines
Deal found 11/2₹ 14,223
Wed 4/312:02
ONT
-
SEA
Nonstop2h 50m
Alaska Airlines
Sun 8/308:30
SEA
-
ONT
Nonstop2h 38m
Alaska Airlines
Deal found 10/2₹ 15,129
Sat 14/306:00
ONT
-
SEA
Nonstop2h 54m
Delta
Mon 16/308:30
SEA
-
ONT
Nonstop2h 48m
Delta
Deal found 11/2₹ 15,220
Tue 10/306:14
ONT
-
SEA
Nonstop2h 55m
Hawaiian Airlines
Sun 15/308:30
SEA
-
ONT
Nonstop2h 38m
Hawaiian Airlines
Deal found 11/2₹ 16,397
Fri 6/315:30
ONT
-
SEA
Nonstop3h 03m
Delta
Sun 8/308:30
SEA
-
ONT
Nonstop2h 47m
Delta
Deal found 10/2₹ 16,941
Thu 12/316:02
ONT
-
SEA
Nonstop2h 50m
Hawaiian Airlines
Sun 15/308:30
SEA
-
ONT
Nonstop2h 38m
Hawaiian Airlines
Deal found 11/2₹ 17,303
Sat 7/316:02
ONT
-
SEA
Nonstop2h 50m
Alaska Airlines
Sat 7/320:56
SEA
-
ONT
Nonstop2h 36m
Alaska Airlines
Deal found 11/2₹ 17,394
Fri 13/316:02
ONT
-
SEA
Nonstop2h 50m
Alaska Airlines
Sun 15/308:30
SEA
-
ONT
Nonstop2h 38m
Alaska Airlines
Deal found 12/2₹ 17,847
Wed 20/517:50
ONT
-
SEA
Nonstop3h 00m
Delta
Thu 21/510:00
SEA
-
ONT
Nonstop2h 53m
Delta
Deal found 10/2₹ 18,753
Sat 7/312:02
ONT
-
SEA
Nonstop2h 50m
Hawaiian Airlines
Sun 8/308:30
SEA
-
ONT
Nonstop2h 38m
Hawaiian Airlines
Deal found 11/2₹ 18,843

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 February 2026.

Fly to

Orlando

Route

Depart

Return

Price

OntarioSeattle

ONT - SEA

ONTSEA

Ontario

Sat 7/3

16:02-18:52

Nonstop2h 50m

Seattle/Tacoma Intl

Sun 8/3

08:30-11:08

Nonstop2h 38m

₹ 12,411

OntarioSeattle

ONT - SEA

ONTSEA

Ontario

Wed 15/4

07:00-10:07

Nonstop3h 07m

Seattle/Tacoma Intl

Wed 22/4

10:54-13:39

Nonstop2h 45m

₹ 14,223

OntarioSeattle

ONT - SEA

ONTSEA

Ontario

Tue 14/4

14:20-17:24

Nonstop3h 04m

Seattle/Tacoma Intl

Sat 18/4

10:54-13:39

Nonstop2h 45m

₹ 14,223

OntarioSeattle

ONT - SEA

ONTSEA

Ontario

Thu 19/3

06:00-08:54

Nonstop2h 54m

Seattle/Tacoma Intl

Tue 24/3

21:24-23:59

Nonstop2h 35m

₹ 14,223

OntarioSeattle

ONT - SEA

ONTSEA

Ontario

Mon 9/3

17:53-20:50

Nonstop2h 57m

Seattle/Tacoma Intl

Wed 11/3

08:30-11:17

Nonstop2h 47m

₹ 14,223

OntarioSeattle

ONT - SEA

ONTSEA

Ontario

Wed 6/5

10:39-13:30

Nonstop2h 51m

Seattle/Tacoma Intl

Sat 9/5

07:05-09:45

Nonstop2h 40m

₹ 14,223

OntarioSeattle

ONT - SEA

ONTSEA

Ontario

Thu 12/3

06:00-08:54

Nonstop2h 54m

Seattle/Tacoma Intl

Sun 15/3

08:30-11:18

Nonstop2h 48m

₹ 15,129

OntarioSeattle

ONT - SEA

ONTSEA

Ontario

Tue 3/3

12:02-14:52

Nonstop2h 50m

Seattle/Tacoma Intl

Sun 8/3

08:30-11:08

Nonstop2h 38m

₹ 15,129

OntarioSeattle

ONT - SEA

ONTSEA

Ontario

Sat 7/3

15:30-18:33

Nonstop3h 03m

Seattle/Tacoma Intl

Mon 9/3

08:30-11:17

Nonstop2h 47m

₹ 15,129

OntarioSeattle

ONT - SEA

ONTSEA

Ontario

Sat 14/3

17:53-20:50

Nonstop2h 57m

Seattle/Tacoma Intl

Sun 15/3

08:30-11:18

Nonstop2h 48m

₹ 15,129

Flights are sorted by cheapest return flights first.

Deals found on 12/2

Showing 1-10 of 21 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 13 February 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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