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Cheap flights from Glasgow Intl Airport to Ontario from £191

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 3/6. Fares are subject to change and may not be available on all flights or dates of travel.
GLA — YYZ
5 May — 12 May1
1 adult

Cheap flight deals from Glasgow Intl to Ontario

Keep the following information in mind while searching for Glasgow Intl to Ontario flight deals. Data was last updated 30 April 2025.

Round-trip from

£349

One-way from

£191

Popular in

December

Cheapest in

October

Average price

£515

Good round-trip deal

£380 or less

Good one-way deal

£396 or less
Air Transat
  • Air Transat
  • 2/9-19/9
  • Nonstop
  • 14h 00m total
  • Glasgow to Ontario
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3/6
  • 3/6
  • 2 total stops
  • 23h 16m total
  • Glasgow to Ontario
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£48 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease (£13 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2025
Search Deals
Price to beat on a round-trip flight from Glasgow Intl to Ontario.
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Price to beat on a one-way flight from Glasgow Intl to Ontario.
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Find flight deals from Glasgow Intl to Ontario

Cheapest flights from Glasgow Intl to Ontario
Explore the most affordable flight options available from Glasgow Intl to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 April 2025.

Thu 8/508:35GLA - YYZ
Nonstop7h 25mAir Transat
Sat 17/519:15YYZ - GLA
Nonstop6h 35mAir Transat
Deal found 29/4£345
Wed 28/520:00GLA - YYZ
1 stop23h 25mMultiple Airlines
Wed 4/621:05YYZ - GLA
1 stop12h 35mMultiple Airlines
Deal found 29/4£380
Thu 8/514:25GLA - YYZ
1 stop9h 45mIcelandair
Tue 13/523:00YYZ - GLA
1 stop9h 25mIcelandair
Deal found 29/4£384
Fri 5/911:30GLA - YYZ
1 stop13h 40mBritish Airways
Fri 19/918:05YYZ - GLA
1 stop10h 30mBritish Airways
Deal found 28/4£414
Tue 2/905:50GLA - YYZ
1 stop15h 10mAmerican Airlines
Fri 19/918:05YYZ - GLA
1 stop10h 30mAmerican Airlines
Deal found 28/4£435
Thu 8/513:30GLA - YYZ
2 stops14h 36mKLM
Tue 13/516:45YYZ - GLA
1 stop25h 25mKLM
Deal found 29/4£459
Thu 8/516:55GLA - YYZ
1 stop32h 00mVirgin Atlantic
Sat 17/522:10YYZ - GLA
1 stop29h 00mVirgin Atlantic
Deal found 29/4£480
Mon 8/906:00GLA - YYZ
2 stops21h 55mDelta
Mon 22/922:10YYZ - GLA
1 stop13h 00mDelta
Deal found 28/4£490
Sat 14/606:10GLA - YYZ
1 stop15h 10mLufthansa
Mon 23/616:30YYZ - GLA
1 stop14h 50mLufthansa
Deal found 29/4£496
Sun 11/508:35GLA - YOW
1 stop28h 26mAir Transat
Sat 17/507:00YOW - GLA
1 stop18h 50mAir Transat
Deal found 29/4£517
Wed 18/618:55GLA - YOW
3 stops34h 27mMultiple Airlines
Wed 25/614:10YOW - GLA
2 stops23h 05mMultiple Airlines
Deal found 29/4£520
Tue 10/606:45GLA - YTZ
2 stops16h 25mMultiple Airlines
Mon 30/614:45YTZ - GLA
2 stops25h 00mMultiple Airlines
Deal found 29/4£521

Cheapflights Fare Finder

Customise your flight search to find flights from Glasgow Intl 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 30 April 2025.
Use the filters below to find and compare flights from Glasgow Intl Airport to Ontario that are best for you.

Fly from

Glasgow Intl

Fly to

Ontario

Route

Depart

Return

Price

GlasgowToronto

GLA - YYZ

GLAYYZ

Glasgow Intl

Tue 2/9

08:35-11:00

Nonstop7h 25m

Toronto Pearson Intl

Fri 19/9

19:15-06:50

Nonstop6h 35m

£349

GlasgowToronto

GLA - YYZ

GLAYYZ

Glasgow Intl

Wed 28/5

20:00-14:25

1 stop23h 25m

Toronto Pearson Intl

Wed 4/6

21:05-14:40

1 stop12h 35m

£380

GlasgowToronto

GLA - YYZ

GLAYYZ

Glasgow Intl

Thu 4/9

14:20-19:10

1 stop9h 50m

Toronto Pearson Intl

Thu 18/9

23:00-13:25

1 stop9h 25m

£403

GlasgowToronto

GLA - YYZ

GLAYYZ

Glasgow Intl

Fri 5/9

11:30-20:10

1 stop13h 40m

Toronto Pearson Intl

Fri 19/9

18:05-09:35

1 stop10h 30m

£414

GlasgowToronto

GLA - YYZ

GLAYYZ

Glasgow Intl

Tue 2/9

05:50-16:00

1 stop15h 10m

Toronto Pearson Intl

Fri 19/9

18:05-09:35

1 stop10h 30m

£435

GlasgowToronto

GLA - YYZ

GLAYYZ

Glasgow Intl

Mon 8/9

06:00-22:55

2 stops21h 55m

Toronto Pearson Intl

Mon 22/9

22:10-16:10

1 stop13h 00m

£490

GlasgowToronto

GLA - YYZ

GLAYYZ

Glasgow Intl

Sat 14/6

06:10-16:20

1 stop15h 10m

Toronto Pearson Intl

Mon 23/6

16:30-12:20

1 stop14h 50m

£496

GlasgowOttawa

GLA - YOW

GLAYOW

Glasgow Intl

Sun 11/5

08:35-08:01

1 stop28h 26m

Ottawa

Sat 17/5

07:00-06:50

1 stop18h 50m

£517

GlasgowOttawa

GLA - YOW

GLAYOW

Glasgow Intl

Wed 18/6

18:55-00:22

3 stops34h 27m

Ottawa

Wed 25/6

14:10-18:15

2 stops23h 05m

£520

GlasgowToronto

GLA - YTZ

GLAYTZ

Glasgow Intl

Tue 10/6

06:45-18:10

2 stops16h 25m

Toronto Island

Mon 30/6

14:45-20:45

2 stops25h 00m

£521

Flights are sorted by cheapest return flights first.

Deals found on 29/4

Showing 1-10 of 33 results
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Best time to book a flight from Glasgow Intl to Ontario

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

What is the cheapest month to book a flight from Glasgow Intl Airport to Region of Ontario?

Currently, January is the cheapest month in which you can book a flight from Glasgow Intl Airport to Region of Ontario (average of £490). Flying from Glasgow Intl Airport to Region of Ontario in July is currently the most expensive (average of £708). 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 ON?

Find hourly flight availability from Glasgow Intl 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 30 April 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Glasgow Intl Airport to Region of 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 Region of Ontario ranges from 51.0 - 83.0 inches per month. June is typically the wettest month, when rainfall can reach 83.0 mm. February is typically the driest time to visit Region of Ontario when rainfall is around 51.0 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 Region of Ontario, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 21.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -6.0 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 30 April 2025.
To help decide which airline to fly from Glasgow to Ontario, see what other customers have to say about Delta, KLM and Air Transat. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very Good
7,934 reviews
Check prices

Food

7.3

Entertainment

7.9

Crew

8.5

Boarding

8.2

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very Good
7,934 reviews
Delta
8.0
Very Good
7,934 reviews
Check prices

Food

7.3

Entertainment

7.9

Crew

8.5

Boarding

8.2

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,334 reviews
Delta
8.0
Very Good
7,934 reviews
Check prices

Food

7.3

Entertainment

7.9

Crew

8.5

Boarding

8.2

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air Transat
7.8
Good
385 reviews
Delta
8.0
Very Good
7,934 reviews
Check prices

Food

7.3

Entertainment

7.9

Crew

8.5

Boarding

8.2

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Finnair
7.6
Good
1,275 reviews
Delta
8.0
Very Good
7,934 reviews
Check prices

Food

7.3

Entertainment

7.9

Crew

8.5

Boarding

8.2

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air France
7.4
Good
1,446 reviews
Delta
8.0
Very Good
7,934 reviews
Check prices

Food

7.3

Entertainment

7.9

Crew

8.5

Boarding

8.2

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

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

  • What are the cheapest airlines to fly from Glasgow Intl Airport to Region of Ontario one-way?

    One-way options have recently been found by users for as low as £331 on Air Transat. Other airlines that offer cheap prices include Aer Lingus from £435 and British Airways from £588 one-way.

  • What are the most popular routes from Glasgow Intl Airport to Region of Ontario?

    While some choose either Glasgow Intl - Toronto Island or Glasgow Intl - Ottawa, Glasgow Intl - Toronto Pearson Intl is the most popular route from Glasgow Intl Airport to Region of Ontario.

  • What are the cheapest flights from Glasgow Intl Airport to Region of Ontario?

    On average you can expect to pay £824 for a flight from Glasgow Intl Airport to Region of Ontario. The cheapest flight overall is £317 while the most popular route, (Glasgow Intl - Toronto Pearson Intl) is currently priced at £349.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Glasgow Intl 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 Intl Airport to Region of Ontario?

    Currently, January is the cheapest month in which you can book a flight from Glasgow Intl Airport to Region of Ontario (average of £490). Flying from Glasgow Intl Airport to Region of Ontario in July is currently the most expensive (average of £708). 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

Browse thousands of different options on Cheapflights for your next trip

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Top 6 airlines flying from Glasgow Intl to Ontario

Discover the top 6 airlines that operate flights from Glasgow Intl 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 30 April 2025.
AirlineCheapestAverageFlexibilityOn-time
Air TransatCheapest£333Average£509FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
IcelandairCheapest£380Average£498FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
British AirwaysCheapest£383Average£513FlexibilityNo cancel feeOn-time70%
Search British Airways flights
KLMCheapest£402Average£548FlexibilityNo cancel feeOn-time75%
Search KLM flights
Aer LingusCheapest£409Average£571FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
Virgin AtlanticCheapest£440Average£489FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Glasgow Intl to Ontario?

When you search for this flight from Glasgow Intl 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 Glasgow Intl to Ontario?

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from Glasgow Intl to Ontario, users can toggle the no change fees filter when performing a flight search.

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

Yes, Cheapflights offers price alerts on Glasgow Intl to Ontario flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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