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Cheap flights from Ontario to Glasgow from £323

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Glasgow departing on 13/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags
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Find the cheapest flights from Ontario to Glasgow

Cheap return flights

Enter your travel dates to find the best prices.
British Airways Logo
06:46 - 09:20ONT-GLA
18h 34m2 stops
British Airways Logo
20:25 - 20:18GLA-ONT
31h 53m2 stops
£638British Airways
Find Deal
Sat, 4 Apr - Fri, 10 Apr
British Airways Logo
06:43 - 09:20ONT-GLA
18h 37m2 stops
British Airways Logo
20:25 - 17:46GLA-ONT
29h 21m2 stops
£668British Airways
Find Deal
Sat, 2 May - Fri, 8 May
Multiple Airlines Logo
10:57 - 09:50ONT-GLA
15h 53m2 stops
Multiple Airlines Logo
13:05 - 22:38GLA-ONT
17h 33m2 stops
£721Multiple Airlines
Find Deal
Mon, 23 Mar - Wed, 1 Apr
British Airways Logo
16:47 - 16:35ONT-GLA
15h 48m2 stops
British Airways Logo
10:20 - 20:10GLA-ONT
17h 50m2 stops
£723British Airways
Find Deal
Mon, 5 Jan - Sun, 18 Jan
British Airways Logo
14:59 - 15:40ONT-GLA
16h 41m2 stops
British Airways Logo
11:30 - 22:19GLA-ONT
18h 49m2 stops
£728British Airways
Find Deal
Fri, 28 Nov - Thu, 4 Dec
American Airlines Logo
15:09 - 15:10ONT-GLA
17h 01m2 stops
American Airlines Logo
09:15 - 23:43GLA-ONT
22h 28m2 stops
£737American Airlines
Find Deal
Fri, 27 Mar - Tue, 31 Mar
American Airlines Logo
15:09 - 18:00ONT-GLA
19h 51m2 stops
American Airlines Logo
09:15 - 22:02GLA-ONT
20h 47m2 stops
£769American Airlines
Find Deal
Fri, 27 Mar - Tue, 31 Mar
Iberia Logo
06:10 - 09:35ONT-GLA
43h 25m2 stops
Iberia Logo
20:25 - 22:19GLA-ONT
33h 54m2 stops
£779Iberia
Find Deal
Thu, 27 Nov - Wed, 3 Dec
Multiple Airlines Logo
12:49 - 13:05ONT-GLA
16h 16m2 stops
Multiple Airlines Logo
11:40 - 22:28GLA-ONT
18h 48m2 stops
£828Multiple Airlines
Find Deal
Tue, 25 Nov - Wed, 3 Dec
British Airways Logo
12:49 - 13:15ONT-GLA
16h 26m2 stops
British Airways Logo
10:55 - 20:03GLA-ONT
17h 08m2 stops
£878British Airways
Find Deal
Sun, 30 Nov - Wed, 10 Dec

British Airways flights from Ontario to Glasgow Intl Airport

Our best British Airways deals on Ontario to Glasgow Intl Airport flight tickets
British Airways
4 Apr
ONT06:46Ontario
18h 34m
2 stops
GLA09:20Glasgow Intl
10 Apr
GLA20:25Glasgow Intl
31h 53m
2 stops
ONT20:18Ontario
£638
Find similar
British Airways
2 May
ONT06:43Ontario
18h 37m
2 stops
GLA09:20Glasgow Intl
8 May
GLA20:25Glasgow Intl
29h 21m
2 stops
ONT17:46Ontario
£668
Find similar
British Airways
5 Jan
ONT16:47Ontario
15h 48m
2 stops
GLA16:35Glasgow Intl
18 Jan
GLA10:20Glasgow Intl
17h 50m
2 stops
ONT20:10Ontario
£723
Find similar

American Airlines flights from Ontario to Glasgow Intl Airport

Our best American Airlines deals on Ontario to Glasgow Intl Airport flight tickets
American Airlines
27 Mar
ONT15:09Ontario
17h 01m
2 stops
GLA15:10Glasgow Intl
31 Mar
GLA09:15Glasgow Intl
22h 28m
2 stops
ONT23:43Ontario
£737
Find similar
American Airlines
27 Mar
ONT15:09Ontario
19h 51m
2 stops
GLA18:00Glasgow Intl
31 Mar
GLA09:15Glasgow Intl
20h 47m
2 stops
ONT22:02Ontario
£769
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from Ontario to Glasgow Intl Airport 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, momondo users made 279,928 searches. Data last updated 7 November 2025.
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

OntarioGlasgow

ONT - GLA

ONTGLA

Ontario

Sat 4/4

06:46-09:20

2 stops18h 34m

Glasgow Intl

Fri 10/4

20:25-20:18

2 stops31h 53m

£638

OntarioGlasgow

ONT - GLA

ONTGLA

Ontario

Sat 2/5

06:43-09:20

2 stops18h 37m

Glasgow Intl

Fri 8/5

20:25-17:46

2 stops29h 21m

£668

OntarioGlasgow

ONT - GLA

ONTGLA

Ontario

Mon 23/3

10:57-09:50

2 stops15h 53m

Glasgow Intl

Wed 1/4

13:05-22:38

2 stops17h 33m

£721

OntarioGlasgow

ONT - GLA

ONTGLA

Ontario

Mon 5/1

16:47-16:35

2 stops15h 48m

Glasgow Intl

Sun 18/1

10:20-20:10

2 stops17h 50m

£723

OntarioGlasgow

ONT - GLA

ONTGLA

Ontario

Fri 28/11

14:59-15:40

2 stops16h 41m

Glasgow Intl

Thu 4/12

11:30-22:19

2 stops18h 49m

£728

OntarioGlasgow

ONT - GLA

ONTGLA

Ontario

Fri 27/3

15:09-15:10

2 stops17h 01m

Glasgow Intl

Tue 31/3

09:15-23:43

2 stops22h 28m

£737

OntarioGlasgow

ONT - GLA

ONTGLA

Ontario

Fri 27/3

15:09-18:00

2 stops19h 51m

Glasgow Intl

Tue 31/3

09:15-22:02

2 stops20h 47m

£769

OntarioGlasgow

ONT - GLA

ONTGLA

Ontario

Thu 27/11

06:10-09:35

2 stops43h 25m

Glasgow Intl

Wed 3/12

20:25-22:19

2 stops33h 54m

£779

OntarioGlasgow

ONT - GLA

ONTGLA

Ontario

Tue 25/11

12:49-13:05

2 stops16h 16m

Glasgow Intl

Wed 3/12

11:40-22:28

2 stops18h 48m

£828

OntarioGlasgow

ONT - GLA

ONTGLA

Ontario

Sun 30/11

12:49-13:15

2 stops16h 26m

Glasgow Intl

Wed 10/12

10:55-20:03

2 stops17h 08m

£878

Flights are sorted by cheapest return flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Ontario to Glasgow Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Glasgow Intl Airport?

On average, the least expensive day to fly to Glasgow Intl Airport from Ontario is on a Sunday. momondo users have found tickets for Sunday departures for as low as £500. However, this price may fluctuate depending on the airline, the season, and holidays. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around £915. These prices are subject to change though, so be sure to set up a Price Alert for flights to Glasgow Intl Airport.

What is the cheapest time of day to depart on your flight to Glasgow Intl Airport?

In the afternoon is the cheapest time of day to fly from Ontario to Glasgow Intl Airport when you can find flight prices for as low as £572. Flying to Glasgow Intl Airport in the afternoon is an ideal time because this is during off-peak travel hours. Flights to Glasgow Intl Airport are more costly at midday, with an average ticket price of £822. Departure times at midday fall within the peak daily travel times, which is why tickets can be more expensive.

When to book flights from Ontario to Glasgow Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Ontario to Glasgow Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Ontario to Glasgow Intl Airport (ONT to GLA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ontario to Glasgow Intl Airport

Direct flights

None
There are no direct flights from Ontario to Glasgow Intl Airport. There are no popular flight routes from Ontario to Glasgow Intl Airport.
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  • How far is Ontario to Glasgow Intl by plane?

    Glasgow Intl is 5089.6 mi away from Ontario. A reasonable flight in good conditions will take 14h 40m.

  • When did momondo last update prices for flights from Ontario Airport to Glasgow Intl Airport?

    Prices for flights from Ontario Airport to Glasgow Intl Airport are updated daily.

  • How old do you have to be to fly from Ontario Airport to Glasgow Intl Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Ontario Airport to Glasgow Intl Airport.

  • What documentation or ID do you need to fly to Glasgow Intl Airport?

    The travel and health documents required for your trip to Glasgow Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Glasgow Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Travelling to a place near Glasgow?

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

Why use momondo?

Why should I use momondo to find a flight deal from Ontario to Glasgow?

Finding the right flight to Glasgow from Ontario is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Glasgow quick and easy, saving you time and money.

Can I find flights from Ontario to Glasgow with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Ontario to Glasgow flights to just show those with flexible booking policies.

How can momondo help me find flights from Ontario to Glasgow?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Ontario to Glasgow.

I’m not ready to book a flight from Ontario to Glasgow right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Ontario to Glasgow flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Glasgow Intl Airport trip

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