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Cheap flights from Ontario to Glasgow Intl Airport from £150

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 13/9. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — GLA
9 Sep — 16 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ontario to Glasgow Intl

Enter your travel dates to find the best prices.

Cheapest flights from Ontario to Glasgow Intl
Explore the most affordable flight options available from Ontario to Glasgow Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 August 2026.

Sun 13/921:55 -
Nonstop6h 45m
Wed 16/911:00 -
Nonstop7h 40m
Deal found 7/8£339
Thu 8/1023:55 -
1 stop16h 05m
Sun 11/1007:30 -
1 stop13h 20m
Deal found 6/8£344
Wed 14/1018:20 -
2 stops15h 35m
Sun 18/1007:30 -
1 stop10h 50m
Deal found 5/8£346
Wed 7/1018:20 -
2 stops15h 35m
Fri 16/1007:25 -
1 stop10h 55m
Deal found 6/8£351
Tue 29/923:55 -
1 stop17h 15m
Wed 7/1007:45 -
1 stop13h 05m
Deal found 7/8£354
Sun 13/923:55 -
1 stop16h 25m
Wed 16/907:45 -
1 stop13h 05m
Deal found 5/8£361
Tue 22/923:55 -
1 stop17h 15m
Mon 28/909:25 -
1 stop11h 25m
Deal found 6/8£362
Tue 22/923:55 -
1 stop17h 15m
Wed 30/907:45 -
1 stop13h 05m
Deal found 6/8£363
Wed 26/817:45 -
1 stop10h 55m
Wed 2/911:00 -
1 stop10h 45m
Deal found 8/8£425
Wed 9/921:30 -
1 stop30h 00m
Wed 16/920:20 -
1 stop20h 15m
Deal found 8/8£440
Mon 21/921:30 -
1 stop12h 20m
Mon 28/913:45 -
1 stop26h 50m
Deal found 7/8£443
Wed 16/917:45 -
1 stop10h 55m
Sat 19/922:00 -
2 stops21h 15m
Deal found 9/8£444

Find flight deals from Ontario to Glasgow Intl

Keep the following information in mind while searching for Ontario to Glasgow Intl flight deals. Data was last updated 10 August 2026.

Round-trip from

£339

One-way from

£150

Popular in

December

Cheapest in

July

Average price

£520

Good round-trip deal

£167 or less
WestJet
  • WestJet
  • 13/9-16/9
  • Nonstop
  • 14h 25m total
  • Ontario to Glasgow
Search Deals
WestJet
  • WestJet
  • 13/9
  • Nonstop
  • 6h 45m total
  • Ontario to Glasgow
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (£34 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£12 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2026
Search Deals
Price to beat on a round-trip flight from Ontario to Glasgow Intl.
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Ontario to Glasgow Intl 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 10 August 2026.
Use the filters below to find and compare flights from Ontario to Glasgow Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

OttawaGlasgow

YOW Ottawa - GLA Glasgow Intl

YOWGLA

Ottawa

Mon 14/9

20:55-06:50

1 stop28h 55m

Glasgow Intl

Mon 21/9

08:35-20:00

1 stop16h 25m

£453

TorontoGlasgow

YTZ Toronto Island - GLA Glasgow Intl

YTZGLA

Toronto Island

Mon 21/9

12:30-20:15

2 stops26h 45m

Glasgow Intl

Mon 28/9

21:45-21:30

2 stops28h 45m

£454
Fastest return journey

TorontoGlasgow

YYZ Toronto Pearson Intl - GLA Glasgow Intl

YYZGLA

Toronto Pearson Intl

Mon 31/8

19:15-06:50

Nonstop6h 35m

Glasgow Intl

Mon 7/9

08:35-11:00

Nonstop7h 25m

£459

TorontoGlasgow

YTZ Toronto Island - GLA Glasgow Intl

YTZGLA

Toronto Island

Sun 13/9

17:30-16:50

2 stops18h 20m

Glasgow Intl

Wed 16/9

22:35-14:20

2 stops20h 45m

£479

MontrealGlasgow

YUL Montreal Pierre Elliott Trudeau Intl - GLA Glasgow Intl

YULGLA

Montreal Pierre Elliott Trudeau Intl

Tue 1/9

19:00-16:15

1 stop16h 15m

Glasgow Intl

Tue 8/9

10:40-14:15

1 stop32h 35m

£490

MontrealGlasgow

YUL Montreal Pierre Elliott Trudeau Intl - GLA Glasgow Intl

YULGLA

Montreal Pierre Elliott Trudeau Intl

Tue 1/9

19:00-16:15

1 stop16h 15m

Glasgow Intl

Sun 6/9

21:20-14:15

1 stop21h 55m

£491

MontrealGlasgow

YUL Montreal Pierre Elliott Trudeau Intl - GLA Glasgow Intl

YULGLA

Montreal Pierre Elliott Trudeau Intl

Tue 15/9

22:05-20:50

1 stop17h 45m

Glasgow Intl

Tue 22/9

21:45-14:15

1 stop21h 30m

£497

TorontoGlasgow

YYZ Toronto Pearson Intl - GLA Glasgow Intl

YYZGLA

Toronto Pearson Intl

Sun 13/9

23:45-18:40

1 stop13h 55m

Glasgow Intl

Sun 20/9

19:35-17:10

1 stop26h 35m

£502

TorontoGlasgow

YYZ Toronto Pearson Intl - GLA Glasgow Intl

YYZGLA

Toronto Pearson Intl

Wed 9/9

21:05-08:30

1 stop30h 25m

Glasgow Intl

Tue 15/9

21:45-12:45

1 stop20h 00m

£503

TorontoGlasgow

YYZ Toronto Pearson Intl - GLA Glasgow Intl

YYZGLA

Toronto Pearson Intl

Sun 6/9

19:15-06:50

Nonstop6h 35m

Glasgow Intl

Sun 20/9

07:30-15:40

2 stops37h 10m

£510

Flights are sorted by cheapest return flights first.

Deals found on 8/8

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Ontario to Glasgow Intl

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

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

Currently, July is the cheapest month in which you can book a flight from Region of Ontario to Glasgow Intl Airport (average of £433). Flying from Region of Ontario to Glasgow Intl Airport in December is currently the most expensive (average of £652). 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 ON to GLA?

Find hourly flight availability from Ontario to Glasgow Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 10 August 2026.

When flying from Region of Ontario to Glasgow Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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

Airfare is below average for this route at the moment.
Region of Ontario to Glasgow Intl Airport flights typically cost between £413 and £589 in September.
The cheapest return price found within the last 5 days was £339 on WestJet (13 Sept–16 Sept).

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

The best time to book flights from Region of Ontario to Glasgow Intl Airport is 34 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.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Glasgow Intl. 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 Region of Ontario to Glasgow Intl Airport?

    Air Transat, Porter Airlines, and United Airlines can get you from Region of Ontario to Glasgow Intl Airport in just under 6h 35m. Your travel time can differ by up to 28h 15m. Region of Ontario and Glasgow Intl Airport are separated by 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 most popular routes from Region of Ontario to Glasgow Intl Airport?

    Most travelers choose Toronto Pearson Intl - Glasgow Intl, Toronto Island - Glasgow Intl or Montreal Pierre Elliott Trudeau Intl - Glasgow Intl when deciding on the best route from Region of Ontario to Glasgow Intl Airport.

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

    The top 3 most reliable airlines when flying from Region of Ontario to Glasgow Intl Airport are Porter Airlines (73%), Air Transat (73%) and WestJet (66%).

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

    On average you can expect to pay £391 for a flight from Region of Ontario to Glasgow Intl Airport. The cheapest flight overall is £103 while the most popular route, (Toronto Pearson Intl - Glasgow Intl) is currently priced at £373.

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

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

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

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

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

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

    Currently, July is the cheapest month in which you can book a flight from Region of Ontario to Glasgow Intl Airport (average of £433). Flying from Region of Ontario to Glasgow Intl Airport in December is currently the most expensive (average of £652). 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

Travelling to a place near Glasgow Intl Airport?

Book flights to Glasgow Intl Airport if you plan to visit one of these locations
Paisley
Kilmarnock
Dunoon
Arrochar
Dumbarton
East Kilbride
Clydebank
Helensburgh
Largs
Renfrew
Inveraray
Rothesay
Alexandria
Glencoe
Balloch

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Top airline flying from Ontario to Glasgow Intl

Discover the top airline that operate flights from Ontario to Glasgow Intl. 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 10 August 2026.
AirlineCheapestAverageFlexibilityOn-time
Air TransatCheapest£328Average£432FlexibilityNo cancel feeOn-time50%
Search Air Transat 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 Ontario to Glasgow Intl?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Ontario to Glasgow Intl. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

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 Glasgow Intl from Ontario.

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

Yes, we can. To see specific flights from Ontario to Glasgow Intl 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 Ontario to Glasgow Intl become cheaper?

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

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