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Direct flights from Ontario starting at £47

This is the cheapest price on a direct flight from Ontario found by a Cheapflights user in the last 72 hours by searching for a flight departing on 19 Aug. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — LHR
24 Jun — 1 Jul1
1 adult
Mon 24/6
Mon 1/7

One-way direct flights from Ontario

Explore one-way direct flights from Ontario for greater flexibility in your travel plans. Find up-to-date pricing and availability for one-way flights. In the last 7 days, Cheapflights users made a total of 958,362 searches and data was last updated on 19 June 2024.
Mon 19/810:06ONT - SEA
Nonstop2h 47mFrontier
Deal found 18/6£47
Sat 21/916:28ONT - SEA
Nonstop2h 38mAlaska Airlines
Deal found 18/6£54
Tue 13/814:04ONT - SEA
Nonstop2h 41mDelta
Deal found 18/6£62
Thu 25/706:00ONT - SEA
Nonstop2h 40mAlaska Airlines
Deal found 18/6£70
Tue 9/718:59ONT - SEA
Nonstop2h 44mDelta
Deal found 18/6£82
Thu 29/820:49ONT - SEA
Nonstop2h 38mAlaska Airlines
Deal found 18/6£86
Sun 14/710:00ONT - SEA
Nonstop2h 37mAlaska Airlines
Deal found 18/6£94
Tue 2/711:43ONT - SEA
Nonstop2h 47mDelta
Deal found 18/6£102
Mon 1/707:00ONT - SEA
Nonstop2h 48mDelta
Deal found 18/6£117

Direct return flights from Ontario

Explore direct return flights from Ontario. Find up-to-date pricing and availability for return flights. In the last 7 days, Cheapflights users made a total of 958,362 searches and data was last updated on 19 June 2024.
Sun 30/622:29ONT - PHX
Nonstop1h 21mFrontier
Mon 1/713:47PHX - ONT
Nonstop1h 16mFrontier
Deal found 18/6£109
Mon 30/906:00ONT - SEA
Nonstop2h 45mAlaska Airlines
Sat 12/1008:20SEA - ONT
Nonstop2h 34mAlaska Airlines
Deal found 18/6£116
Tue 23/716:24ONT - SEA
Nonstop2h 35mAlaska Airlines
Tue 23/721:26SEA - ONT
Nonstop2h 33mAlaska Airlines
Deal found 18/6£119
Tue 23/707:00ONT - SEA
Nonstop2h 50mDelta
Wed 24/719:55SEA - ONT
Nonstop2h 47mDelta
Deal found 18/6£124
Sat 20/718:59ONT - SEA
Nonstop2h 44mDelta
Wed 24/710:23SEA - ONT
Nonstop3h 01mDelta
Deal found 18/6£132
Fri 9/820:20ONT - SEA
Nonstop2h 35mAlaska Airlines
Mon 12/806:30SEA - ONT
Nonstop2h 35mAlaska Airlines
Deal found 18/6£139
Thu 12/920:49ONT - SEA
Nonstop2h 38mAlaska Airlines
Sun 15/906:40SEA - ONT
Nonstop2h 35mAlaska Airlines
Deal found 19/6£147
Fri 1/1117:50ONT - SEA
Nonstop3h 00mDelta
Mon 4/1119:55SEA - ONT
Nonstop2h 34mDelta
Deal found 18/6£155
Tue 9/718:59ONT - SEA
Nonstop2h 44mDelta
Tue 16/708:15SEA - ONT
Nonstop2h 54mDelta
Deal found 18/6£163

Direct flights from Ontario departing soon

Discover direct flights from Ontario departing soon. In the last 7 days, Cheapflights users made a total of 958,362 searches and data was last updated on 19 June 2024.
Tue 25/609:54ONT - SEA
Nonstop2h 53mFrontier
Tue 2/713:47SEA - ONT
Nonstop2h 44mFrontier
Deal found 18/6£110
Tue 25/609:54ONT - SEA
Nonstop2h 53mFrontier
Tue 2/713:47SEA - ONT
Nonstop2h 44mFrontier
Deal found 19/6£126
Mon 24/618:20ONT - SEA
Nonstop2h 53mFrontier
Mon 1/709:30SEA - ONT
Nonstop2h 39mFrontier
Deal found 18/6£144
Thu 27/605:15ONT - PHX
Nonstop1h 20mSouthwest
Thu 27/622:30PHX - ONT
Nonstop1h 10mSouthwest
Deal found 18/6£242
Tue 25/618:30ONT - SEA
Nonstop2h 44mDelta
Tue 2/710:40SEA - ONT
Nonstop2h 48mDelta
Deal found 18/6£246
Thu 27/618:30ONT - SEA
Nonstop2h 44mDelta
Thu 4/715:15SEA - ONT
Nonstop2h 40mDelta
Deal found 18/6£261
Tue 25/616:24ONT - SEA
Nonstop2h 35mAlaska Airlines
Tue 25/621:26SEA - ONT
Nonstop2h 33mAlaska Airlines
Deal found 18/6£284
Thu 27/606:00ONT - SEA
Nonstop2h 40mAlaska Airlines
Thu 27/621:26SEA - ONT
Nonstop2h 33mAlaska Airlines
Deal found 19/6£289
Tue 25/614:15ONT - SEA
Nonstop2h 44mDelta
Sat 6/708:15SEA - ONT
Nonstop2h 48mDelta
Deal found 18/6£293

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 958,362 searches. This data was last updated on 19 June 2024.

Fly to

Any airport

Budget

£109 - £163

Route

Depart

Return

Price

OntarioPhoenix Sky Harbor Intl

ONT - PHX

ONTPHX

Ontario

Sun 30/6

Nonstop1h 21m

Phoenix Sky Harbor Intl

Mon 1/7

Nonstop1h 16m

£109

OntarioSeattle/Tacoma Intl

ONT - SEA

ONTSEA

Ontario

Mon 30/9

Nonstop2h 45m

Seattle/Tacoma Intl

Sat 12/10

Nonstop2h 34m

£116

OntarioSeattle/Tacoma Intl

ONT - SEA

ONTSEA

Ontario

Tue 23/7

Nonstop2h 35m

Seattle/Tacoma Intl

Tue 23/7

Nonstop2h 33m

£119

OntarioSeattle/Tacoma Intl

ONT - SEA

ONTSEA

Ontario

Tue 23/7

Nonstop2h 50m

Seattle/Tacoma Intl

Wed 24/7

Nonstop2h 47m

£124

OntarioSeattle/Tacoma Intl

ONT - SEA

ONTSEA

Ontario

Sat 20/7

Nonstop2h 44m

Seattle/Tacoma Intl

Wed 24/7

Nonstop3h 01m

£132

OntarioSeattle/Tacoma Intl

ONT - SEA

ONTSEA

Ontario

Fri 9/8

Nonstop2h 35m

Seattle/Tacoma Intl

Mon 12/8

Nonstop2h 35m

£139

OntarioSeattle/Tacoma Intl

ONT - SEA

ONTSEA

Ontario

Thu 12/9

Nonstop2h 38m

Seattle/Tacoma Intl

Sun 15/9

Nonstop2h 35m

£147

OntarioSeattle/Tacoma Intl

ONT - SEA

ONTSEA

Ontario

Fri 1/11

Nonstop3h 00m

Seattle/Tacoma Intl

Mon 4/11

Nonstop2h 34m

£155

OntarioSeattle/Tacoma Intl

ONT - SEA

ONTSEA

Ontario

Tue 9/7

Nonstop2h 44m

Seattle/Tacoma Intl

Tue 16/7

Nonstop2h 54m

£163

Flights are sorted by cheapest first

Deals found on 18/6

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 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.

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.
7.9
Good
1,442 reviews

Overall

7.9

Crew

8.4

Comfort

7.6

Boarding

7.8

Entertainment

7.2

Food

7.3

Reviews

1 / 10

Departure was late. Plane much too small for an 11 hour flight. One bathroom was out of order in a completely full flight.

7.9
Good
1,442 reviews
7.9
Good
1,442 reviews

Overall

7.9

Crew

8.4

Comfort

7.6

Boarding

7.8

Entertainment

7.2

Food

7.3

Reviews

1 / 10

Departure was late. Plane much too small for an 11 hour flight. One bathroom was out of order in a completely full flight.

7.6
Good
4,220 reviews
7.9
Good
1,442 reviews

Overall

7.9

Crew

8.4

Comfort

7.6

Boarding

7.8

Entertainment

7.2

Food

7.3

Reviews

1 / 10

Departure was late. Plane much too small for an 11 hour flight. One bathroom was out of order in a completely full flight.

7.4
Good
3,488 reviews
7.9
Good
1,442 reviews

Overall

7.9

Crew

8.4

Comfort

7.6

Boarding

7.8

Entertainment

7.2

Food

7.3

Reviews

1 / 10

Departure was late. Plane much too small for an 11 hour flight. One bathroom was out of order in a completely full flight.

7.4
Good
10,000 reviews
7.9
Good
1,442 reviews

Overall

7.9

Crew

8.4

Comfort

7.6

Boarding

7.8

Entertainment

7.2

Food

7.3

Reviews

1 / 10

Departure was late. Plane much too small for an 11 hour flight. One bathroom was out of order in a completely full flight.

7.3
Good
10,000 reviews
7.9
Good
1,442 reviews

Overall

7.9

Crew

8.4

Comfort

7.6

Boarding

7.8

Entertainment

7.2

Food

7.3

Reviews

1 / 10

Departure was late. Plane much too small for an 11 hour flight. One bathroom was out of order in a completely full flight.

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 19 June 2024.
  • Where can you fly direct from Ontario?

    Currently, the most popular direct flight destination from Ontario is Las Vegas.

  • How much are direct flights from Ontario?

    On average, a one-way direct flight from Ontario will cost users approximately £58. If you're looking for a direct round-trip flight from Ontario, you can expect to pay around £301.

  • How long is a direct flight from Ontario?

    While the flight duration depends heavily on the destination, on average, travelers can expect non-stop flights from Ontario to last approximately 8h 45m on average. The quickest direct flight from Ontario at this time departs from Ontario (8h 45m), while the longest leaves from Ontario (8h 45m).

  • 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, February offers travelers the most options.

See more FAQs

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