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Cheap flights from Glasgow to Ontario from £560

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/9. Fares are subject to change and may not be available on all flights or dates of travel.
GLA — ONT
1 May — 8 May1
1 adult

Cheap 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 26 April 2025.

Round-trip from

£560

Popular in

August

Cheapest in

March

Average price

£530
British Airways
  • British Airways
  • 6/9-13/9
  • 4 total stops
  • 36h 51m total
  • Glasgow to Ontario
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£59 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£15 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2025
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Find flight deals from Glasgow to Ontario

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 26 April 2025.

Sat 6/906:55GLA - ONT
2 stops18h 45mBritish Airways
Sat 13/912:49ONT - GLA
2 stops18h 06mBritish Airways
Deal found 25/4£560
Fri 9/514:25GLA - ONT
2 stops17h 34mMultiple Airlines
Sat 17/511:51ONT - GLA
2 stops17h 34mMultiple Airlines
Deal found 25/4£1,150
Wed 30/409:25GLA - ONT
2 stops20h 45mIberia
Sun 4/514:44ONT - GLA
2 stops41h 41mIberia
Deal found 25/4£1,636

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 26 April 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

Sat 6/9

06:55-17:40

2 stops18h 45m

Ontario

Sat 13/9

12:49-14:55

2 stops18h 06m

£560

GlasgowOntario

GLA - ONT

GLAONT

Glasgow Intl

Fri 9/5

14:25-23:59

2 stops17h 34m

Ontario

Sat 17/5

11:51-13:25

2 stops17h 34m

£1,150

GlasgowOntario

GLA - ONT

GLAONT

Glasgow Intl

Mon 5/5

05:50-18:23

2 stops20h 33m

£805

GlasgowOntario

GLA - ONT

GLAONT

Glasgow Intl

Fri 2/5

06:00-16:33

2 stops18h 33m

£1,156

GlasgowOntario

GLA - ONT

GLAONT

Glasgow Intl

Mon 16/6

08:25-19:01

2 stops18h 36m

£1,282

GlasgowOntario

GLA - ONT

GLAONT

Glasgow Intl

Mon 26/5

06:00-16:17

2 stops18h 17m

£1,298

Flights are sorted by cheapest return flights first.

Deals found on 25/4

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 £516). Flying from Glasgow to Ontario in August is currently the most expensive (average of £827). 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.

What is the cheapest time of day to fly from GLA to ONT?

Find hourly flight availability from Glasgow to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 26 April 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Glasgow to Ontario as you normally would.

Rainfall in Ontario by month

Plan your trip to Ontario by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Ontario ranges from 3.0 - 86.0 inches per month. February is typically the wettest month, when rainfall can reach 86.0 mm. June is typically the driest time to visit Ontario when rainfall is around 3.0 mm.

Temperature in Ontario by month

Plan your trip to Ontario by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Ontario, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 26.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 12.0 C).

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 26 April 2025.
Delta
8.0
Very Good
7,920 reviews
Check prices

Boarding

8.2

Food

7.3

Overall

8.0

Entertainment

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very Good
7,920 reviews
Delta
8.0
Very Good
7,920 reviews
Check prices

Boarding

8.2

Food

7.3

Overall

8.0

Entertainment

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Air France
7.4
Good
1,444 reviews
Delta
8.0
Very Good
7,920 reviews
Check prices

Boarding

8.2

Food

7.3

Overall

8.0

Entertainment

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
British Airways
6.6
Okay
6,820 reviews
Delta
8.0
Very Good
7,920 reviews
Check prices

Boarding

8.2

Food

7.3

Overall

8.0

Entertainment

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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.

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

    British Airways, at £560, was found to be the cheapest airline from Glasgow to Ontario..

  • What are the cheapest airlines to fly from Glasgow to Ontario one-way?

    The cheapet airlines for a one-way flight from Glasgow to Ontario are Air France (£1,156), British Airways (£1,282), and Delta (£1,298).

  • 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 £516). Flying from Glasgow to Ontario in August is currently the most expensive (average of £827). 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 Glasgow to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
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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 26 April 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£445Average£533FlexibilityNo cancel feeOn-time70%
Search British Airways flights

Fly with Cheapflights

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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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