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C$ 135+ 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 29/7. 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 — YVR
5 Jul — 12 Jul1
1 adult

Non-stop flights from Ontario

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 30 June 2025.

Wed 30/711:25 a.m.ONT - SEA
Nonstop2h 54mDelta
Wed 6/87:30 a.m.SEA - ONT
Nonstop2h 55mDelta
Deal found 28/6C$ 215
Wed 27/83:04 p.m.ONT - SEA
Nonstop2h 40mAlaska Airlines
Wed 3/93:55 p.m.SEA - ONT
Nonstop2h 41mAlaska Airlines
Deal found 29/6C$ 228
Sat 13/93:06 p.m.ONT - SEA
Nonstop2h 40mHawaiian Airlines
Sat 20/97:55 a.m.SEA - ONT
Nonstop2h 49mHawaiian Airlines
Deal found 30/6C$ 242
Thu 10/710:03 a.m.ONT - SEA
Nonstop2h 50mFrontier
Tue 15/71:42 p.m.SEA - ONT
Nonstop2h 54mFrontier
Deal found 30/6C$ 298

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 629,999 searches. This data was last updated on 30 June 2025.

Fly to

Vancouver Intl

Route

Depart

Return

Price

OntarioSeattle

ONT - SEA

ONTSEA

Ontario

Wed 30/7

11:25 a.m.-2:19 p.m.

Nonstop2h 54m

Seattle/Tacoma Intl

Wed 6/8

7:30 a.m.-10:25 a.m.

Nonstop2h 55m

C$ 215

OntarioSeattle

ONT - SEA

ONTSEA

Ontario

Wed 27/8

3:04 p.m.-5:44 p.m.

Nonstop2h 40m

Seattle/Tacoma Intl

Wed 3/9

3:55 p.m.-6:36 p.m.

Nonstop2h 41m

C$ 228

OntarioSeattle

ONT - SEA

ONTSEA

Ontario

Sat 13/9

3:06 p.m.-5:46 p.m.

Nonstop2h 40m

Seattle/Tacoma Intl

Sat 20/9

7:55 a.m.-10:44 a.m.

Nonstop2h 49m

C$ 242

OntarioSeattle

ONT - SEA

ONTSEA

Ontario

Thu 10/7

10:03 a.m.-12:53 p.m.

Nonstop2h 50m

Seattle/Tacoma Intl

Tue 15/7

1:42 p.m.-4:36 p.m.

Nonstop2h 54m

C$ 298

OntarioSeattle

ONT - SEA

ONTSEA

Ontario

Tue 29/7

6:58 p.m.-9:37 p.m.

Nonstop2h 39m

C$ 135

OntarioSeattle

ONT - SEA

ONTSEA

Ontario

Tue 30/9

3:06 p.m.-5:46 p.m.

Nonstop2h 40m

C$ 149

OntarioSeattle

ONT - SEA

ONTSEA

Ontario

Fri 21/11

6:43 a.m.-9:45 a.m.

Nonstop3h 02m

C$ 204

Flights are sorted by cheapest round-trip flights first.

Deals found on 28/6

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 round-trip 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.

Reviews of airlines flying non-stop to Ontario

Get insights into the airlines that provide direct flights from Ontario. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight from Ontario. Reviews last updated Cheapflights.
Get a feel of what it's like to fly with Alaska Airlines,Delta, andUnited Airlines from Ontario by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Comfort

7.8

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Comfort

7.8

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,973 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Comfort

7.8

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,852 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Comfort

7.8

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Comfort

7.8

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
WestJet
7.2
Good
2,908 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Comfort

7.8

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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 30 June 2025.

  • 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, April 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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