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Cheap flights from Ontario to Glasgow Intl Airport from £221

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 29/1. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — GLA
31 jan — 7 fev1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ontario to Glasgow Intl

Enter your travel dates to find the best prices.

Best flights from Ontario to Glasgow Intl
Discover carefully curated flight deals from Ontario to Glasgow Intl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 1 janeiro 2026.

qui 29/116:45ONT - GLA
2 stops17h 05mBritish Airways
qui 5/220:20GLA - ONT
2 stops33h 53mBritish Airways
Deal found 30/12£446
qui 7/518:54ONT - GLA
3 stops31h 16mUnited Airlines
ter 4/814:00GLA - ONT
3 stops39h 21mUnited Airlines
Deal found 30/12£1,012
sex 16/115:09ONT - GLA
2 stops18h 51mBritish Airways
sex 23/111:40GLA - ONT
2 stops19h 08mBritish Airways
Deal found 30/12£525
seg 2/314:39ONT - GLA
2 stops17h 56mBritish Airways
ter 10/310:50GLA - ONT
2 stops18h 17mBritish Airways
Deal found 31/12£603
qui 29/110:58ONT - GLA
2 stops22h 52mBritish Airways
seg 2/211:35GLA - ONT
2 stops19h 13mBritish Airways
Deal found 29/12£612
sáb 21/314:39ONT - GLA
2 stops19h 31mBritish Airways
dom 29/312:20GLA - ONT
2 stops17h 47mBritish Airways
Deal found 31/12£612
qui 29/116:45ONT - GLA
2 stops15h 55mBritish Airways
qua 11/210:55GLA - ONT
2 stops17h 15mBritish Airways
Deal found 30/12£613
seg 18/516:52ONT - GLA
2 stops17h 38mBritish Airways
sáb 30/513:00GLA - ONT
2 stops16h 51mBritish Airways
Deal found 30/12£664
ter 27/115:09ONT - GLA
2 stops16h 41mBritish Airways
sex 30/111:40GLA - ONT
2 stops18h 33mBritish Airways
Deal found 30/12£745
qua 28/110:58ONT - GLA
2 stops19h 17mBritish Airways
qua 4/210:55GLA - ONT
2 stops19h 53mBritish Airways
Deal found 30/12£1,270

Find 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 1 janeiro 2026.

Round-trip from

£446

One-way from

£221

Popular in

June

Cheapest in

October

Average price

£487
British Airways
  • British Airways
  • 29/1-5/2
  • 4 total stops
  • 50h 58m total
  • Ontario to Glasgow
Search Deals
29/1
  • 29/1
  • 3 total stops
  • 43h 35m total
  • Ontario to Glasgow
Search Deals
Highest demand for flights based on searches. 19% potential increase in price (£110 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£21 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 2026
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 1 janeiro 2026.
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

qui 29/1

16:45-17:50

2 stops17h 05m

Glasgow Intl

qui 5/2

20:20-22:13

2 stops33h 53m

£446

OntarioGlasgow

ONT - GLA

ONTGLA

Ontario

sex 16/1

15:09-18:00

2 stops18h 51m

Glasgow Intl

sex 23/1

11:40-22:48

2 stops19h 08m

£525

OntarioGlasgow

ONT - GLA

ONTGLA

Ontario

seg 2/3

14:39-16:35

2 stops17h 56m

Glasgow Intl

ter 10/3

10:50-22:07

2 stops18h 17m

£603

OntarioGlasgow

ONT - GLA

ONTGLA

Ontario

qui 29/1

10:58-17:50

2 stops22h 52m

Glasgow Intl

seg 2/2

11:35-22:48

2 stops19h 13m

£612

OntarioGlasgow

ONT - GLA

ONTGLA

Ontario

sáb 21/3

14:39-17:10

2 stops19h 31m

Glasgow Intl

dom 29/3

12:20-22:07

2 stops17h 47m

£612

OntarioGlasgow

ONT - GLA

ONTGLA

Ontario

qui 29/1

16:45-16:40

2 stops15h 55m

Glasgow Intl

qua 11/2

10:55-20:10

2 stops17h 15m

£613

OntarioGlasgow

ONT - GLA

ONTGLA

Ontario

seg 18/5

16:52-18:30

2 stops17h 38m

Glasgow Intl

sáb 30/5

13:00-21:51

2 stops16h 51m

£664

OntarioGlasgow

ONT - GLA

ONTGLA

Ontario

ter 27/1

15:09-15:50

2 stops16h 41m

Glasgow Intl

sex 30/1

11:40-22:13

2 stops18h 33m

£745

OntarioGlasgow

ONT - GLA

ONTGLA

Ontario

qui 7/5

18:54-10:10

3 stops31h 16m

Glasgow Intl

ter 4/8

14:00-21:21

3 stops39h 21m

£1,012

OntarioGlasgow

ONT - GLA

ONTGLA

Ontario

qua 28/1

10:58-14:15

2 stops19h 17m

Glasgow Intl

qua 4/2

10:55-22:48

2 stops19h 53m

£1,270

Flights are sorted by cheapest return flights first.

Deals found on 30/12

Showing 1-10 of 16 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 £416). Flying from Ontario to Glasgow Intl Airport in June is currently the most expensive (average of £730). 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 17h 05m. Fly via British Airways to get the fastest option. The distance from Ontario to Glasgow Intl Airport is about 5088 mi.

  • 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 £416). Flying from Ontario to Glasgow Intl Airport in June is currently the most expensive (average of £730). 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
Renfrew
Kilmarnock
Dumbarton
Arrochar
Clydebank
East Kilbride
Largs
Inveraray
Rothesay
Ballachulish
Alexandria
Tarbert
Balloch

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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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