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Cheap flights from Glasgow Intl Airport to Ontario from £145

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 25/6. Fares are subject to change and may not be available on all flights or dates of travel.
GLA — YYZ
8 Jul — 15 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Glasgow Intl to Ontario

Enter your travel dates to find the best prices.

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 8 June 2026.

Sat 22/822:00
GLA
-
YYZ
1 stop20h 20m
Multiple Airlines
Fri 18/922:10
YYZ
-
GLA
1 stop10h 25m
Multiple Airlines
Deal found 4/6£327
Sun 23/821:55
GLA
-
YYZ
1 stop20h 25m
Multiple Airlines
Fri 18/922:10
YYZ
-
GLA
1 stop10h 25m
Multiple Airlines
Deal found 4/6£328
Thu 27/821:40
GLA
-
YYZ
1 stop20h 40m
Multiple Airlines
Fri 18/922:10
YYZ
-
GLA
1 stop10h 25m
Multiple Airlines
Deal found 4/6£330
Mon 24/822:20
GLA
-
YYZ
2 stops21h 35m
Multiple Airlines
Mon 14/919:15
YYZ
-
GLA
Nonstop6h 35m
Multiple Airlines
Deal found 4/6£331
Mon 24/822:20
GLA
-
YYZ
2 stops21h 35m
Multiple Airlines
Sat 19/919:15
YYZ
-
GLA
Nonstop6h 35m
Multiple Airlines
Deal found 4/6£332
Wed 24/622:35
GLA
-
YYZ
1 stop19h 45m
Multiple Airlines
Sat 4/719:15
YYZ
-
GLA
Nonstop6h 35m
Multiple Airlines
Deal found 4/6£333
Fri 21/821:25
GLA
-
YYZ
1 stop21h 35m
Multiple Airlines
Mon 14/919:15
YYZ
-
GLA
Nonstop6h 35m
Multiple Airlines
Deal found 4/6£335
Thu 9/721:40
GLA
-
YYZ
1 stop22h 15m
Multiple Airlines
Mon 13/722:10
YYZ
-
GLA
2 stops28h 10m
Multiple Airlines
Deal found 4/6£336
Tue 21/708:20
GLA
-
YYZ
1 stop11h 35m
Multiple Airlines
Tue 28/721:55
YYZ
-
GLA
Nonstop6h 45m
Multiple Airlines
Deal found 7/6£337
Thu 9/721:40
GLA
-
YYZ
1 stop22h 15m
Multiple Airlines
Wed 15/721:35
YYZ
-
GLA
1 stop28h 25m
Multiple Airlines
Deal found 4/6£338
Wed 1/722:35
GLA
-
YUL
2 stops23h 10m
Multiple Airlines
Wed 15/717:45
YUL
-
GLA
1 stop10h 55m
Multiple Airlines
Deal found 3/6£410
Tue 30/620:40
GLA
-
YUL
2 stops27h 08m
Multiple Airlines
Sun 12/706:45
YUL
-
GLA
1 stop21h 55m
Multiple Airlines
Deal found 6/6£433

Find 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 8 June 2026.

Round-trip from

£327

One-way from

£145

Popular in

December

Cheapest in

September

Average price

£527

Good round-trip deal

£420 or less

Good one-way deal

£246 or less
22/8-18/9
  • 22/8-18/9
  • 2 total stops
  • 30h 45m total
  • Glasgow to Ontario
Search Deals
25/6
  • 25/6
  • 1 total stop
  • 27h 00m total
  • Glasgow to Ontario
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (£39 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 June 2026
Search Deals
Price to beat on a round-trip flight from Glasgow Intl to Ontario.
Search Deals
Price to beat on a one-way flight from Glasgow Intl to Ontario.
Search Deals

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 8 June 2026.
Use the filters below to find and compare flights from Glasgow Intl Airport to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

GlasgowMontreal

GLA - YUL

GLAYUL

Glasgow Intl

Wed 1/7

22:35-16:45

2 stops23h 10m

Montreal Pierre Elliott Trudeau Intl

Wed 15/7

17:45-09:40

1 stop10h 55m

£410
Fastest return journey

GlasgowToronto

GLA - YYZ

GLAYYZ

Glasgow Intl

Thu 9/7

08:35-11:00

Nonstop7h 25m

Toronto Pearson Intl

Fri 10/7

19:15-06:50

Nonstop6h 35m

£442

GlasgowToronto

GLA - YYZ

GLAYYZ

Glasgow Intl

Thu 9/7

08:35-11:00

Nonstop7h 25m

Toronto Pearson Intl

Mon 13/7

19:15-06:50

Nonstop6h 35m

£442

GlasgowMontreal

GLA - YUL

GLAYUL

Glasgow Intl

Wed 28/10

11:40-19:45

1 stop12h 05m

Montreal Pierre Elliott Trudeau Intl

Sat 7/11

20:30-14:55

1 stop13h 25m

£472

GlasgowOttawa

GLA - YOW

GLAYOW

Glasgow Intl

Tue 15/9

20:40-14:49

2 stops23h 09m

Ottawa

Fri 18/9

18:25-09:40

1 stop10h 15m

£474

GlasgowHamilton

GLA - YHM

GLAYHM

Glasgow Intl

Wed 1/7

22:35-20:30

3 stops26h 55m

Hamilton

Wed 8/7

15:50-14:55

3 stops18h 05m

£501

GlasgowMontreal

GLA - YUL

GLAYUL

Glasgow Intl

Wed 1/7

11:00-00:25

1 stop18h 25m

Montreal Pierre Elliott Trudeau Intl

Wed 8/7

17:45-09:40

1 stop10h 55m

£518

GlasgowMontreal

GLA - YUL

GLAYUL

Glasgow Intl

Fri 4/9

21:25-00:25

3 stops32h 00m

Montreal Pierre Elliott Trudeau Intl

Fri 25/9

17:45-13:35

2 stops14h 50m

£529

GlasgowToronto

GLA - YYZ

GLAYYZ

Glasgow Intl

Sat 11/7

21:25-15:50

1 stop23h 25m

Toronto Pearson Intl

Fri 24/7

22:00-16:25

1 stop13h 25m

£531

GlasgowMontreal

GLA - YUL

GLAYUL

Glasgow Intl

Tue 18/8

14:35-20:15

1 stop10h 40m

Montreal Pierre Elliott Trudeau Intl

Tue 25/8

22:00-16:45

1 stop13h 45m

£541

Flights are sorted by cheapest return flights first.

Deals found on 5/6

Showing 1-10 of 60 resultsSorted by cheapest first
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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, August is the cheapest month in which you can book a flight from Glasgow Intl Airport to Region of Ontario (average of £203). Flying from Glasgow Intl Airport to Region of Ontario in December is currently the most expensive (average of £439). 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 8 June 2026.

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.

How much does it cost for a return flight from Glasgow Intl Airport to Region of Ontario?

How far ahead should I book a flight from Glasgow Intl Airport to Region of Ontario?

Booking 44 days in advance of your planned departure date is, on average, the best time to get cheap flights from Glasgow Intl Airport to Region of Ontario. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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 8 June 2026.
Get a feel of what it's like to fly with Air Transat,Aer Lingus, andWestJet from Glasgow Intl Airport to Ontario by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air Transat
7.8
Good
554 reviews
Check prices

Entertainment

7.1

Boarding

7.9

Crew

8.5

Overall

7.8

Comfort

7.3

Food

6.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

YOW - GCM

The flight was delayed for 3.5 hours. No compensation for a meal voucher. We were positioned at the back of the plane and the toilets were not working properly. It was a foul smell coming from the toilet.
Air Transat
7.8
Good
554 reviews
Air Transat
7.8
Good
554 reviews
Check prices

Entertainment

7.1

Boarding

7.9

Crew

8.5

Overall

7.8

Comfort

7.3

Food

6.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

YOW - GCM

The flight was delayed for 3.5 hours. No compensation for a meal voucher. We were positioned at the back of the plane and the toilets were not working properly. It was a foul smell coming from the toilet.
Aer Lingus
7.3
Good
1,599 reviews
Air Transat
7.8
Good
554 reviews
Check prices

Entertainment

7.1

Boarding

7.9

Crew

8.5

Overall

7.8

Comfort

7.3

Food

6.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

YOW - GCM

The flight was delayed for 3.5 hours. No compensation for a meal voucher. We were positioned at the back of the plane and the toilets were not working properly. It was a foul smell coming from the toilet.
WestJet
7.2
Good
3,356 reviews
Air Transat
7.8
Good
554 reviews
Check prices

Entertainment

7.1

Boarding

7.9

Crew

8.5

Overall

7.8

Comfort

7.3

Food

6.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

YOW - GCM

The flight was delayed for 3.5 hours. No compensation for a meal voucher. We were positioned at the back of the plane and the toilets were not working properly. It was a foul smell coming from the toilet.
Icelandair
7.0
Good
670 reviews
Air Transat
7.8
Good
554 reviews
Check prices

Entertainment

7.1

Boarding

7.9

Crew

8.5

Overall

7.8

Comfort

7.3

Food

6.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

YOW - GCM

The flight was delayed for 3.5 hours. No compensation for a meal voucher. We were positioned at the back of the plane and the toilets were not working properly. It was a foul smell coming from the toilet.
British Airways
6.7
Okay
8,031 reviews
Air Transat
7.8
Good
554 reviews
Check prices

Entertainment

7.1

Boarding

7.9

Crew

8.5

Overall

7.8

Comfort

7.3

Food

6.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

YOW - GCM

The flight was delayed for 3.5 hours. No compensation for a meal voucher. We were positioned at the back of the plane and the toilets were not working properly. It was a foul smell coming from the toilet.

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.

  • How long is the flight from Glasgow Intl Airport to Region of Ontario?

    For as low as £442, Air Transat can have you in Region of Ontario from Glasgow Intl Airport in 7h 25m. Airlines will cover a distance of 3280 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • 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 £191 on WestJet. Other airlines that offer cheap prices include Icelandair from £221 and Air Transat from £242 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 - Montreal Pierre Elliott Trudeau Intl, Glasgow Intl - Toronto Pearson Intl is the most popular route from Glasgow Intl Airport to Region of Ontario.

  • What are the most reliable airlines from Glasgow Intl Airport to Region of Ontario?

    No one likes to see their flight delayed. When booking a flight from Glasgow Intl Airport to Region of Ontario consider choosing WestJet (80%), Porter Airlines (73%) or Air Transat (73%) as they are the most reliable in getting you off to your destination on time.

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

    On average you can expect to pay £453 for a flight from Glasgow Intl Airport to Region of Ontario. The cheapest flight overall is £246 while the most popular route, (Glasgow Intl - Toronto Pearson Intl) is currently priced at £254.

  • 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, August is the cheapest month in which you can book a flight from Glasgow Intl Airport to Region of Ontario (average of £203). Flying from Glasgow Intl Airport to Region of Ontario in December is currently the most expensive (average of £439). 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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Top 7 airlines flying from Glasgow Intl to Ontario

Discover the top 7 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 8 June 2026.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapest£273Average£482FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Air TransatCheapest£323Average£543FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
IcelandairCheapest£410Average£574FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
British AirwaysCheapest£439Average£662FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Virgin AtlanticCheapest£478Average£712FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
LufthansaCheapest£491Average£778FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Aer LingusCheapest£510Average£701FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus 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 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?

Cheapflights simply makes it quick and affordable to book flights from Glasgow Intl to Ontario by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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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