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Cheap flights from Glasgow to Ontario from £331

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 20/1. Fares are subject to change and may not be available on all flights or dates of travel.
GLA — ONT
20 ינו' — 27 ינו'1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Glasgow to Ontario

Enter your travel dates to find the best prices.

Cheapest flights from Glasgow to Ontario
Explore the most affordable flight options available from Glasgow to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 דצמבר 2025.

ש' 27/1209:35GLA - ONT
2 stops20h 17mBritish Airways
ש' 3/114:49ONT - GLA
2 stops18h 21mBritish Airways
Deal found 19/12£1,670

Find flight deals from Glasgow to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Glasgow (GG1) to Ontario (ONT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 21 דצמבר 2025.

Round-trip from

£466

One-way from

£331

Popular in

August

Cheapest in

March

Average price

£735
British Airways
  • British Airways
  • 5/3-9/3
  • 4 total stops
  • 39h 16m total
  • Glasgow to Ontario
Search Deals
20/1
  • 20/1
  • 3 total stops
  • 55h 04m total
  • Glasgow to Ontario
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (£67 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£19 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Glasgow 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 21 דצמבר 2025.
Use the filters below to find and compare flights from Glasgow to Ontario that are best for you.

Fly from

Glasgow

Fly to

Ontario

Route

Depart

Return

Price

GlasgowOntario

GLA - ONT

GLAONT

Glasgow Intl

ה' 5/3

11:30-23:58

2 stops20h 28m

Ontario

ב' 9/3

14:47-16:35

2 stops18h 48m

£466

GlasgowOntario

GLA - ONT

GLAONT

Glasgow Intl

א' 18/1

18:05-22:13

2 stops36h 08m

Ontario

ש' 24/1

07:16-10:45

2 stops19h 29m

£1,820

GlasgowOntario

GLA - ONT

GLAONT

Glasgow Intl

ג' 20/1

11:05-10:09

3 stops55h 04m

£331

GlasgowOntario

GLA - ONT

GLAONT

Glasgow Intl

א' 18/1

07:00-07:37

3 stops32h 37m

£342

GlasgowOntario

GLA - ONT

GLAONT

Glasgow Intl

ב' 19/1

10:50-14:12

3 stops59h 22m

£350

GlasgowOntario

GLA - ONT

GLAONT

Glasgow Intl

ב' 19/1

20:10-22:53

2 stops34h 43m

£485

GlasgowOntario

GLA - ONT

GLAONT

Glasgow Intl

ב' 19/1

13:10-21:59

2 stops40h 49m

£501

GlasgowOntario

GLA - ONT

GLAONT

Glasgow Intl

ג' 20/1

08:20-22:53

2 stops22h 33m

£516

Flights are sorted by cheapest return flights first.

Deals found on 18/12

Best time to book a flight from Glasgow to Ontario

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

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

Currently, March is the cheapest month in which you can book a flight from Glasgow to Ontario (average of £354). Flying from Glasgow to Ontario in December is currently the most expensive (average of £484). 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.

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 21 דצמבר 2025.
See what other customers who have flown with British Airways from Glasgow to Ontario have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
British Airways
6.7
Okay
7,602 reviews
Check prices

Crew

7.6

Overall

6.7

Comfort

6.7

Entertainment

6.4

Boarding

6.9

Food

6.4

Reviews

1 / 20
6.0
Good

Roxanne,Sept 2025

LHR - IAD

Food was mediocre. Couldn't use headphones because no information on how to use. Staff paid so much attention on a family with a baby . They got VIP treatment.
British Airways
6.7
Okay
7,602 reviews
British Airways
6.7
Okay
7,602 reviews
Check prices

Crew

7.6

Overall

6.7

Comfort

6.7

Entertainment

6.4

Boarding

6.9

Food

6.4

Reviews

1 / 20
6.0
Good

Roxanne,Sept 2025

LHR - IAD

Food was mediocre. Couldn't use headphones because no information on how to use. Staff paid so much attention on a family with a baby . They got VIP treatment.

Related info for your journey

Find useful and relevant information for your journey from Glasgow 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 Glasgow?

    Located just 3.1 mi from the city center, Ontario is the airport most travelers will use when flying to Ontario from Glasgow. Booking flights from Glasgow to Ontario (ONT) should be relatively easy as there are 0 daily inbound flights from Glasgow from 1 airline.

  • How long is the flight from Glasgow to Ontario?

    A quick flight from Glasgow to Ontario can take about 20h 28m. British Airways provides one of the quickest options available for as low as £466. Glasgow and Ontario are separated by a distance of 5088 mi.

  • What is the cheapest airline to fly from Glasgow to Ontario round-trip?

    British Airways, at £426, was found to be the cheapest airline from Glasgow to Ontario..

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Glasgow 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 Glasgow to Ontario?

    Currently, March is the cheapest month in which you can book a flight from Glasgow to Ontario (average of £354). Flying from Glasgow to Ontario in December is currently the most expensive (average of £484). 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.

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Top airline flying from Glasgow to Ontario

Discover the top airline that operate flights from Glasgow 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 21 דצמבר 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£373Average£480FlexibilityNo cancel feeOn-time70%
Search British Airways 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 Glasgow to Ontario?

Cheapflights makes it easy to find Glasgow to Ontario flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Glasgow to Ontario.

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

Yes, we can. To see specific flights from Glasgow to Ontario with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

Not ready to book yet? You can track prices for flights from Glasgow to Ontario on Cheapflights with our Price Alert feature and get notified when better prices are available.

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