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Cheap flights from Ontario to Glasgow Intl Airport from £526

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/3. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — GLA
17 Dec — 24 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ontario to Glasgow Intl

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Glasgow Intl (GLA). 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 17 November 2025.

Round-trip from

£526

Popular in

June

Cheapest in

October

Average price

£555
Air France
  • Air France
  • 10/3-19/3
  • 4 total stops
  • 42h 44m total
  • Ontario to Glasgow
Search Deals
Highest demand for flights based on searches. 20% potential increase in price (£120 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£22 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
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Find 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 17 November 2025.

Sun 30/1106:10ONT - GLA
2 stops23h 05mBritish Airways
Sun 7/1205:55GLA - ONT
2 stops23h 12mBritish Airways
Deal found 16/11£596
Sun 30/1109:50ONT - GLA
2 stops16h 05mMultiple Airlines
Wed 10/1212:35GLA - ONT
2 stops17h 30mMultiple Airlines
Deal found 15/11£1,170
Sat 22/1114:59ONT - GLA
2 stops15h 56mBritish Airways
Sun 7/1210:20GLA - ONT
2 stops17h 43mBritish Airways
Deal found 15/11£1,326
Sun 30/1109:50ONT - GLA
2 stops16h 05mMultiple Airlines
Tue 9/1212:35GLA - ONT
2 stops17h 30mMultiple Airlines
Deal found 15/11£1,384
Fri 21/1114:59ONT - GLA
2 stops16h 11mBritish Airways
Sun 7/1210:20GLA - ONT
2 stops17h 43mBritish Airways
Deal found 15/11£1,578
Sat 29/1110:25ONT - GLA
2 stops15h 30mMultiple Airlines
Mon 8/1212:35GLA - ONT
2 stops17h 30mMultiple Airlines
Deal found 15/11£1,870
Mon 22/1207:10ONT - GLA
2 stops18h 40mBritish Airways
Sun 4/112:50GLA - ONT
2 stops18h 56mBritish Airways
Deal found 15/11£2,525
Sun 30/1109:50ONT - GLA
2 stops16h 05mMultiple Airlines
Mon 8/1212:35GLA - ONT
2 stops17h 30mMultiple Airlines
Deal found 15/11£3,832

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 17 November 2025.
Use the filters below to find and compare flights from Ontario to Glasgow Intl Airport that are best for you.

Fly from

Ontario

Fly to

Glasgow Intl

Route

Depart

Return

Price

OntarioGlasgow

ONT - GLA

ONTGLA

Ontario

Tue 10/3

13:00-16:35

2 stops20h 35m

Glasgow Intl

Thu 19/3

06:05-21:14

2 stops22h 09m

£526

OntarioGlasgow

ONT - GLA

ONTGLA

Ontario

Tue 10/3

13:00-12:45

2 stops16h 45m

Glasgow Intl

Thu 19/3

06:05-11:38

2 stops36h 33m

£536

OntarioGlasgow

ONT - GLA

ONTGLA

Ontario

Fri 27/3

13:00-08:45

2 stops36h 45m

Glasgow Intl

Tue 31/3

09:10-16:19

2 stops39h 09m

£642

OntarioGlasgow

ONT - GLA

ONTGLA

Ontario

Wed 15/4

12:55-14:15

2 stops17h 20m

Glasgow Intl

Wed 22/4

13:05-23:40

2 stops18h 35m

£717

OntarioGlasgow

ONT - GLA

ONTGLA

Ontario

Fri 13/2

14:47-15:10

2 stops16h 23m

Glasgow Intl

Fri 20/2

11:40-22:31

2 stops18h 51m

£745

OntarioGlasgow

ONT - GLA

ONTGLA

Ontario

Fri 16/1

09:45-09:55

2 stops16h 10m

Glasgow Intl

Fri 23/1

12:35-23:56

2 stops19h 21m

£773

OntarioGlasgow

ONT - GLA

ONTGLA

Ontario

Sun 30/11

09:50-09:55

2 stops16h 05m

Glasgow Intl

Wed 10/12

12:35-22:05

2 stops17h 30m

£1,170

OntarioGlasgow

ONT - GLA

ONTGLA

Ontario

Sun 30/11

09:50-09:55

2 stops16h 05m

Glasgow Intl

Tue 9/12

12:35-22:05

2 stops17h 30m

£1,384

OntarioGlasgow

ONT - GLA

ONTGLA

Ontario

Sat 29/11

10:25-09:55

2 stops15h 30m

Glasgow Intl

Mon 8/12

12:35-22:05

2 stops17h 30m

£1,870

OntarioGlasgow

ONT - GLA

ONTGLA

Ontario

Wed 6/5

15:05-15:35

2 stops16h 30m

£593

Flights are sorted by cheapest return flights first.

Deals found on 16/11

Showing 1-10 of 13 results
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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 Ontario to Glasgow Intl Airport?

Currently, August is the cheapest month in which you can book a flight from Ontario to Glasgow Intl Airport (average of £425). Flying from Ontario to Glasgow Intl Airport in June is currently the most expensive (average of £745). 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.

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.

  • What airport do you fly from for flights from Ontario to Glasgow Intl?

    Ontario (ONT), located 3.1 mi from the city center, is the airport you fly out of when you book flights from Ontario to Glasgow Intl. 0 airlines have flights from Ontario to Glasgow Intl on a regular basis. Booking flights from Ontario to Glasgow Intl should not be difficult; the airport handles an average of 0 outbound flights to Glasgow Intl per day.

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

    There are many flights that can get you from Ontario to Glasgow Intl Airport in 16h 45m. Fly via KLM or Virgin Atlantic to get the fastest option. The distance from Ontario to Glasgow Intl Airport is about 5088 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • 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 Ontario to Glasgow Intl Airport?

    Currently, August is the cheapest month in which you can book a flight from Ontario to Glasgow Intl Airport (average of £425). Flying from Ontario to Glasgow Intl Airport in June is currently the most expensive (average of £745). 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
Dunoon
Largs
Renfrew
Kilmarnock
Dumbarton
Arrochar
Clydebank
East Kilbride
Inveraray
Rothesay
Ballachulish
Alexandria
Tarbert
Balloch

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

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

Need flexible booking options for your flight to Glasgow Intl from Ontario? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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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