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 23m. Fly via British Airways to get the fastest option. The distance from Ontario to Glasgow Intl Airport is about 5088 mi.

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.

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).

What is the cheapest time of day to fly from ONT to GLA?

When flying from 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.

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.

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.

£241+ Cheap Flights from Ontario to Glasgow Intl Airport

Cheap flight deals from Ontario to Glasgow Intl

Enter your travel dates to find the best prices.

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Best

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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 1 October 2026.

Wed 2/1210:32 -

2 stops18h 18m

Wed 9/1209:45 -

2 stops20h 22m

Deal found 30/9£677

Wed 11/1116:51 -

2 stops15h 49m

Wed 18/1110:55 -

2 stops19h 00m

Deal found 29/9£684

Tue 29/1214:22 -

2 stops17h 28m

Mon 11/111:40 -

2 stops19h 28m

Deal found 28/9£712

Tue 27/1010:25 -

2 stops16h 30m

Tue 3/1111:55 -

2 stops17h 45m

Deal found 27/9£737

Mon 2/1106:20 -

2 stops22h 25m

Tue 10/1106:00 -

2 stops25h 49m

Deal found 27/9£745

Tue 3/1110:05 -

2 stops15h 50m

Wed 11/1111:35 -

2 stops18h 10m

Deal found 26/9£763

Tue 8/1210:05 -

2 stops15h 50m

Mon 14/1211:55 -

2 stops17h 45m

Deal found 28/9£774

Sun 6/1208:05 -

2 stops17h 50m

Wed 16/1211:35 -

2 stops18h 05m

Deal found 30/9£808

Sat 5/1211:20 -

2 stops14h 35m

Sat 12/1211:55 -

2 stops17h 05m

Deal found 30/9£812

Tue 13/1014:13 -

2 stops15h 12m

Tue 3/1111:55 -

2 stops17h 45m

Deal found 27/9£864

Mon 26/1006:15 -

2 stops20h 40m

Tue 10/1111:55 -

3 stops30h 40m

Deal found 28/9£870

Wed 11/1110:05 -

2 stops15h 50m

Wed 2/1211:35 -

2 stops18h 10m

Deal found 28/9£871

Find flight deals from Ontario to Glasgow Intl

Round-trip from	£654
One-way from	£241
Popular in	June
Cheapest in	January
Average price	£679

4/11-18/11
6 total stops
64h 29m total
Ontario to Glasgow

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British Airways
3/2-31/12
2 total stops
17h 39m total
Ontario to Glasgow

Search Deals

Highest demand for flights based on searches. 15% potential increase in price (£103 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (£20 potential savings vs. average return price).

Search Deals

Average for round-trip flights in October 2026

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Cheapflights Fare Finder

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

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Fly to

Route

Depart

Return

Price

Cheapest return flight

OntarioGlasgow

ONT Ontario - GLA Glasgow Intl

ONTGLA

Ontario

Sat 24/10

17:25-11:40

3 stops58h 15m

Glasgow Intl

Wed 31/12

00:00-15:00

Nonstop0h 00m

£359

OntarioGlasgow

ONT Ontario - GLA Glasgow Intl

ONTGLA

Ontario

Sun 22/11

22:40-09:55

3 stops27h 15m

Glasgow Intl

Wed 31/12

00:00-15:00

Nonstop0h 00m

£385

OntarioGlasgow

ONT Ontario - GLA Glasgow Intl

ONTGLA

Ontario

Sat 24/10

23:59-19:25

2 stops36h 26m

Glasgow Intl

Wed 31/12

00:00-15:00

Nonstop0h 00m

£400

OntarioGlasgow

ONT Ontario - GLA Glasgow Intl

ONTGLA

Ontario

Sat 12/12

12:42-13:20

2 stops16h 38m

Glasgow Intl

Wed 31/12

00:00-15:00

Nonstop0h 00m

£427

OntarioGlasgow

ONT Ontario - GLA Glasgow Intl

ONTGLA

Ontario

Sun 22/11

23:59-10:05

2 stops26h 06m

Glasgow Intl

Wed 31/12

00:00-15:00

Nonstop0h 00m

£430

OntarioGlasgow

ONT Ontario - GLA Glasgow Intl

ONTGLA

Ontario

Thu 15/10

16:29-18:50

2 stops18h 21m

Glasgow Intl

Wed 31/12

00:00-15:00

Nonstop0h 00m

£440

OntarioGlasgow

ONT Ontario - GLA Glasgow Intl

ONTGLA

Ontario

Wed 11/11

16:51-16:40

2 stops15h 49m

Glasgow Intl

Wed 18/11

10:55-21:55

2 stops19h 00m

£684

OntarioGlasgow

ONT Ontario - GLA Glasgow Intl

ONTGLA

Ontario

Tue 27/10

10:25-09:55

2 stops16h 30m

Glasgow Intl

Tue 3/11

11:55-21:40

2 stops17h 45m

£737

OntarioGlasgow

ONT Ontario - GLA Glasgow Intl

ONTGLA

Ontario

Wed 9/12

10:05-09:55

2 stops15h 50m

Glasgow Intl

Wed 16/12

11:35-21:40

2 stops18h 05m

£737

OntarioGlasgow

ONT Ontario - GLA Glasgow Intl

ONTGLA

Ontario

Wed 9/12

07:00-16:30

2 stops25h 30m

Glasgow Intl

Tue 15/12

05:40-23:57

2 stops26h 17m

£745

Flights are sorted by cheapest return flights first.

Deals found on 27/9

Showing 1-10 of 21 resultsSorted by cheapest first

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.

ONT-GLA

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.

Related info for your journey

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 23m. 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.

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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.

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Cheap flights from Ontario to Glasgow Intl Airport from £241

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/2. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Ontario to Glasgow Intl

Cheapest flights from Ontario to Glasgow IntlExplore 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 1 October 2026.

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 1 October 2026.

Best flights from Ontario to Glasgow IntlDiscover 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 October 2026.

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 October 2026.

Last-minute flights from Ontario to Glasgow IntlDiscover last-minute flight deals from Ontario to Glasgow Intl. Data last updated 1 October 2026 and is based on user searches.

Discover last-minute flight deals from Ontario to Glasgow Intl. Data last updated 1 October 2026 and is based on user searches.

One-way flights from Ontario to Glasgow IntlSearch for one-way flight options from Ontario to Glasgow Intl. Find affordable one-way fares based on user searches. Data last updated 1 October 2026.

Search for one-way flight options from Ontario to Glasgow Intl. Find affordable one-way fares based on user searches. Data last updated 1 October 2026.

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Best time to book a flight from Ontario to Glasgow Intl

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Related info for your journey

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

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

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

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

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

Travelling to a place near Glasgow Intl Airport?

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Alternative routes for Ontario to Glasgow Intl

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Complete your trip

Complete your trip to Glasgow Intl by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to Scotland

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Search flights from Ontario to Glasgow Intl by cabin class

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Other flights to Glasgow Intl

Explore flights to Glasgow Intl departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 1 October 2026.

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Can Cheapflights notify me if prices for flights from Ontario to Glasgow Intl become cheaper?

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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 1 October 2026.

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 October 2026.

Last-minute flights from Ontario to Glasgow Intl
Discover last-minute flight deals from Ontario to Glasgow Intl. Data last updated 1 October 2026 and is based on user searches.

One-way flights from Ontario to Glasgow Intl
Search for one-way flight options from Ontario to Glasgow Intl. Find affordable one-way fares based on user searches. Data last updated 1 October 2026.