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Cheap flights from Brighton to Ontario from £275

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 9/3. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — ONT
18 Mar — 25 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Brighton to Ontario

Enter your travel dates to find the best prices.

Cheapest flights from Brighton to Ontario
Explore the most affordable flight options available from Brighton to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 February 2026.

Tue 3/306:35
LHR
-
ONT
2 stops19h 06m
United Airlines
Tue 10/313:50
ONT
-
LHR
1 stop12h 50m
United Airlines
Deal found 12/2£368
Sat 28/206:30
LHR
-
ONT
2 stops19h 11m
United Airlines
Mon 9/313:50
ONT
-
LHR
1 stop12h 50m
United Airlines
Deal found 12/2£369
Mon 30/316:25
LHR
-
ONT
1 stop15h 34m
British Airways
Mon 6/412:22
ONT
-
LHR
1 stop14h 28m
British Airways
Deal found 13/2£386
Wed 12/812:55
LHR
-
ONT
1 stop17h 19m
Finnair
Thu 27/810:50
ONT
-
LHR
1 stop17h 20m
Finnair
Deal found 14/2£387
Wed 12/816:25
LHR
-
ONT
1 stop15h 43m
British Airways
Thu 27/816:54
ONT
-
LHR
1 stop14h 11m
British Airways
Deal found 12/2£390
Tue 17/309:55
LHR
-
ONT
1 stop16h 50m
British Airways
Tue 24/310:56
ONT
-
LHR
1 stop14h 19m
British Airways
Deal found 14/2£393
Mon 30/310:05
LHR
-
ONT
1 stop14h 17m
British Airways
Tue 7/410:59
ONT
-
LHR
1 stop13h 06m
British Airways
Deal found 15/2£394
Wed 10/617:45
LHR
-
ONT
1 stop31h 31m
Virgin Atlantic
Wed 19/807:00
ONT
-
LHR
1 stop21h 10m
Virgin Atlantic
Deal found 14/2£396
Wed 25/310:45
LHR
-
ONT
1 stop20h 06m
Delta
Tue 31/311:59
ONT
-
LHR
1 stop16h 11m
Delta
Deal found 15/2£398
Sat 18/410:05
LHR
-
ONT
1 stop14h 17m
British Airways
Thu 30/410:59
ONT
-
LHR
1 stop13h 06m
British Airways
Deal found 13/2£398
Thu 19/207:50
LCY
-
ONT
2 stops24h 09m
British Airways
Sun 8/323:58
ONT
-
LCY
2 stops31h 37m
British Airways
Deal found 12/2£469
Thu 19/207:50
LCY
-
ONT
2 stops24h 09m
British Airways
Sat 7/323:58
ONT
-
LCY
2 stops48h 52m
British Airways
Deal found 12/2£476

Find flight deals from Brighton to Ontario

Keep the following information in mind while searching for Brighton to Ontario flight deals. Data was last updated 16 February 2026.

Round-trip from

£386

One-way from

£275

Popular in

July

Cheapest in

September

Average price

£409
British Airways
  • British Airways
  • 30/3-6/4
  • 2 total stops
  • 30h 02m total
  • Brighton to Ontario
Search Deals
9/3
  • 9/3
  • 2 total stops
  • 30h 28m total
  • Brighton to Ontario
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (£56 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£17 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Brighton to Ontario that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 16 February 2026.
Use the filters below to find and compare flights from Brighton to Ontario that are best for you.

Fly from

Brighton

Fly to

Ontario

Route

Depart

Return

Price

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Wed 10/6

08:40-23:44

2 stops23h 04m

Ontario

Mon 15/6

17:55-15:35

1 stop13h 40m

£394

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Mon 27/4

06:30-17:15

2 stops18h 45m

Ontario

Sat 9/5

07:05-07:55

2 stops16h 50m

£404

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Tue 10/3

10:15-18:42

1 stop15h 27m

Ontario

Tue 17/3

10:56-06:50

1 stop12h 54m

£406

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Wed 4/3

08:20-16:19

1 stop15h 59m

Ontario

Tue 10/3

10:56-08:15

1 stop14h 19m

£406

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Wed 12/8

16:25-00:08

1 stop15h 43m

Ontario

Wed 26/8

16:54-15:05

1 stop14h 11m

£407

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Tue 12/5

14:25-22:36

1 stop16h 11m

Ontario

Thu 15/10

10:57-09:00

1 stop14h 03m

£407

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Wed 12/8

16:25-00:08

1 stop15h 43m

Ontario

Tue 1/9

16:54-15:05

1 stop14h 11m

£407

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Fri 6/3

11:55-22:29

1 stop18h 34m

Ontario

Mon 9/3

07:00-10:00

1 stop20h 00m

£409

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Fri 27/2

16:30-23:59

1 stop15h 29m

Ontario

Tue 3/3

14:39-11:40

1 stop13h 01m

£410

LondonOntario

LGW - ONT

LGWONT

London Gatwick

Fri 15/5

11:30-23:46

2 stops20h 16m

Ontario

Fri 5/6

14:18-20:00

2 stops21h 42m

£477

Flights are sorted by cheapest return flights first.

Deals found on 13/2

Showing 1-10 of 60 results
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2
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6

Best time to book a flight from Brighton to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Brighton 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.

Cheapflights Insights

Everything you need to know about your flight from Brighton to Ontario

How far ahead should I book a flight from Brighton to Ontario?

Use this chart to determine the optimal time to book a return flight from Brighton to Ontario. Price data was last updated on 13 February 2026.

The best time to book flights from Brighton to Ontario is 81 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Brighton to Ontario?

Currently, September is the cheapest month in which you can book a flight from Brighton to Ontario (average of £234). Flying from Brighton to Ontario in July is currently the most expensive (average of £383). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost for a return flight from Brighton to Ontario?

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to 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 to Ontario. Reviews last updated 16 February 2026.
Read reviews from past customers who have flown with Finnair, Virgin Atlantic, andUnited Airlines from Brighton to Ontario. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Finnair
7.6
Good
1,362 reviews
Check prices

Comfort

7.4

Entertainment

6.9

Boarding

7.7

Food

6.7

Overall

7.6

Crew

8.2

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights
Finnair
7.6
Good
1,362 reviews
Finnair
7.6
Good
1,362 reviews
Check prices

Comfort

7.4

Entertainment

6.9

Boarding

7.7

Food

6.7

Overall

7.6

Crew

8.2

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights
Virgin Atlantic
7.5
Good
678 reviews
Finnair
7.6
Good
1,362 reviews
Check prices

Comfort

7.4

Entertainment

6.9

Boarding

7.7

Food

6.7

Overall

7.6

Crew

8.2

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights
United Airlines
7.4
Good
9,299 reviews
Finnair
7.6
Good
1,362 reviews
Check prices

Comfort

7.4

Entertainment

6.9

Boarding

7.7

Food

6.7

Overall

7.6

Crew

8.2

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights
Lufthansa
6.8
Okay
7,786 reviews
Finnair
7.6
Good
1,362 reviews
Check prices

Comfort

7.4

Entertainment

6.9

Boarding

7.7

Food

6.7

Overall

7.6

Crew

8.2

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights
British Airways
6.7
Okay
7,749 reviews
Finnair
7.6
Good
1,362 reviews
Check prices

Comfort

7.4

Entertainment

6.9

Boarding

7.7

Food

6.7

Overall

7.6

Crew

8.2

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights

Related info for your journey

Find useful and relevant information for your journey from Brighton to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Ontario from Brighton?

    Most people fly into Ontario (ONT) if they book a flight to Ontario from Brighton. On average, Ontario has 0 inbound flights from Brighton per day from 6 airlines. Ontario is conveniently located just 3.1 mi from Ontario’s city center.

  • How long is the flight from Brighton to Ontario?

    Delta, British Airways, and Iberia can get you from Brighton to Ontario in just under 15h 27m. Your travel time can differ by up to 7h 37m. Airlines will cover a distance of 5407 mi. This flight may include one or multiple stops.

  • What are the most popular routes from Brighton to Ontario?

    While some choose either London Gatwick - Ontario or London City - Ontario, London Heathrow - Ontario is the most popular route from Brighton to Ontario.

  • Can I find deals for flights from Brighton to Ontario that include hotel bookings?

    Yes. In addition to deals on Brighton to Ontario flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Brighton to Ontario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Brighton to Ontario.

  • Can I find deals for business class flights from Brighton to Ontario?

    Yes. Cheapflights offers flight deals from Brighton to Ontario by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Brighton to Ontario?

    Currently, September is the cheapest month in which you can book a flight from Brighton to Ontario (average of £234). Flying from Brighton to Ontario in July is currently the most expensive (average of £383). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Brighton to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from Brighton to Ontario

Discover the top 6 airlines that operate flights from Brighton to Ontario. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 16 February 2026.
AirlineCheapestAverageFlexibilityOn-time
FinnairCheapest£275Average£430FlexibilityNo cancel feeOn-time76%
Search Finnair flights
United AirlinesCheapest£363Average£455FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Virgin AtlanticCheapest£368Average£490FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
British AirwaysCheapest£376Average£460FlexibilityNo cancel feeOn-time70%
Search British Airways flights
KLMCheapest£388Average£605FlexibilityNo cancel feeOn-time75%
Search KLM flights
LufthansaCheapest£416Average£570FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Brighton to Ontario?

When you search for this flight from Brighton to Ontario, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Brighton to Ontario?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Ontario from Brighton.

Can Cheapflights find flights from Brighton to Ontario with no change fees?

Certainly. Search results for flights to Ontario from Brighton shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Brighton to Ontario become cheaper?

Of course! You can now track prices for flights from Brighton to Ontario and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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