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Cheap flights from Ontario to Glasgow Intl Airport from £298

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 30/4. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — GLA
26 Jan — 2 Feb1
1 adult

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 21 January 2025.

Round-trip from

£528

One-way from

£298

Popular in

July

Cheapest in

April

Average price

£593
British Airways
  • British Airways
  • 1/4-1/5
  • 4 total stops
  • 47h 41m total
  • Ontario to Glasgow
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30/4
  • 30/4
  • 3 total stops
  • 39h 11m total
  • Ontario to Glasgow
Search Deals
High demand for flights, 23% potential price rise
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Best time to find cheap flights, 8% potential price drop
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Average for round-trip flights in January 2025
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Find flight deals from Ontario to Glasgow Intl

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 21 January 2025.

Tue 1/414:54ONT - GLA
2 stops17h 51mBritish Airways
Thu 1/520:30GLA - ONT
2 stops29h 50mBritish Airways
Deal found 20/1£528
Mon 20/107:00ONT - GLA
2 stops18h 50mIberia
Mon 27/114:00GLA - ONT
2 stops40h 45mIberia
Deal found 19/1£956
Wed 16/711:29ONT - GLA
2 stops20h 41mDelta
Sat 26/706:00GLA - ONT
2 stops25h 43mDelta
Deal found 20/1£1,049
Thu 5/614:00ONT - GLA
2 stops18h 10mKLM
Tue 24/606:00GLA - ONT
2 stops18h 17mKLM
Deal found 20/1£1,147
Fri 19/905:45ONT - GLA
3 stops22h 35mMultiple Airlines
Sat 27/906:10GLA - ONT
2 stops24h 43mMultiple Airlines
Deal found 20/1£1,276

Find flights from Ontario to Glasgow Intl within your budget

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 21 January 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

OntarioGlasgow

ONT - GLA

ONTGLA

Ontario

Tue 1/4

14:54-16:45

2 stops17h 51m

Glasgow Intl

Thu 1/5

20:30-18:20

2 stops29h 50m

£528

OntarioGlasgow

ONT - GLA

ONTGLA

Ontario

Wed 16/7

11:29-16:10

2 stops20h 41m

Glasgow Intl

Sat 26/7

06:00-23:43

2 stops25h 43m

£1,049

OntarioGlasgow

ONT - GLA

ONTGLA

Ontario

Thu 5/6

14:00-16:10

2 stops18h 10m

Glasgow Intl

Tue 24/6

06:00-16:17

2 stops18h 17m

£1,147

OntarioGlasgow

ONT - GLA

ONTGLA

Ontario

Fri 7/3

05:05-11:30

3 stops22h 25m

Glasgow Intl

Fri 14/3

20:10-20:57

3 stops31h 47m

£1,338

OntarioGlasgow

ONT - GLA

ONTGLA

Ontario

Tue 1/7

15:00-18:50

2 stops19h 50m

Glasgow Intl

Mon 7/7

15:25-18:59

2 stops35h 34m

£2,447

OntarioGlasgow

ONT - GLA

ONTGLA

Ontario

Wed 30/4

10:44-09:55

3 stops39h 11m

£298

OntarioGlasgow

ONT - GLA

ONTGLA

Ontario

Wed 30/4

16:35-21:40

2 stops21h 05m

£339

OntarioGlasgow

ONT - GLA

ONTGLA

Ontario

Sat 24/5

22:59-08:10

2 stops25h 11m

£678

Flights are sorted by cheapest return flights first.

Deals found on 20/1

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.

Travel insights for flights from Ontario to Glasgow Intl

Get recent, data-driven insights about flights from Ontario to Glasgow Intl including ideal travel times, pricing trends, and more.

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

Currently, April is the cheapest month in which you can book a flight from Ontario to Glasgow Intl Airport (average of £97). Flying from Ontario to Glasgow Intl Airport in July is currently the most expensive (average of £119). 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.

Rainfall in Glasgow Intl by month

Plan your trip to Glasgow Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Glasgow Intl Airport ranges from 33.0 - 112.0 inches per month. January is typically the wettest month, when rainfall can reach 112.0 mm. May is typically the driest time to visit Glasgow Intl Airport when rainfall is around 33.0 mm.

Temperature in Glasgow Intl by month

Plan your trip to Glasgow Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Glasgow Intl Airport, 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 16.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

Reviews of airlines servicing Glasgow Intl

Get insights into the airlines that provide service to Glasgow Intl. 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 Glasgow Intl. Reviews last updated 21 January 2025.
Delta
8.0
Very Good
8,521 reviews
Check prices

Overall

8.0

Food

7.3

Comfort

8.0

Crew

8.6

Boarding

8.2

Entertainment

7.9

Reviews

1 / 10

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

Delta
8.0
Very Good
8,521 reviews
Delta
8.0
Very Good
8,521 reviews
Check prices

Overall

8.0

Food

7.3

Comfort

8.0

Crew

8.6

Boarding

8.2

Entertainment

7.9

Reviews

1 / 10

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

KLM
7.8
Good
1,341 reviews
Delta
8.0
Very Good
8,521 reviews
Check prices

Overall

8.0

Food

7.3

Comfort

8.0

Crew

8.6

Boarding

8.2

Entertainment

7.9

Reviews

1 / 10

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

Iberia
7.0
Good
2,646 reviews
Delta
8.0
Very Good
8,521 reviews
Check prices

Overall

8.0

Food

7.3

Comfort

8.0

Crew

8.6

Boarding

8.2

Entertainment

7.9

Reviews

1 / 10

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

British Airways
6.6
Okay
6,834 reviews
Delta
8.0
Very Good
8,521 reviews
Check prices

Overall

8.0

Food

7.3

Comfort

8.0

Crew

8.6

Boarding

8.2

Entertainment

7.9

Reviews

1 / 10

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 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.

  • What are the cheapest airlines flying from Ontario to Glasgow Intl Airport round-trip?

    Currently priced at £528, British Airways will fly you from Ontario to Glasgow Intl Airport and back. In addition to British Airways, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Delta and KLM - these airlines can fly you to your destination from £1,049 and £1,147, respectively. You may be able to fly from Ontario to Glasgow Intl Airport for 30% less than the average price by searching for these airlines.

  • 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, April is the cheapest month in which you can book a flight from Ontario to Glasgow Intl Airport (average of £97). Flying from Ontario to Glasgow Intl Airport in July is currently the most expensive (average of £119). 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 Ontario?

Book flights to Ontario if you plan to visit one of these locations
Paisley
Kilmarnock
East Kilbride
Renfrew
Dumbarton
Arrochar
Dunoon
Largs
Alexandria
Balloch
Ballachulish
Clydebank
Inveraray
Helensburgh
Rothesay
Tarbert

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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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