Which airlines fly to Ontario?

British Airways, KLM and Aer Lingus are the top three most popular airlines that fly to Ontario from Glasgow Intl Airport according to our data. British Airways is the first choice among our users, with 79% of people opting to fly with this airline when travelling to Ontario. Keep in mind that there are 8 different airlines that fly to Ontario on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Glasgow Intl to Ontario?

British Airways and Iberia are the most popular carriers operating from Glasgow Intl to Ontario

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

Prices for flights from Glasgow Intl Airport to Ontario Airport were last updated today.

How many operators does momondo search for flights from Glasgow Intl Airport to Ontario Airport?

The number of operators available for flights from Glasgow Intl Airport to Ontario Airport is 1 as of December 2025.

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

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Glasgow Intl Airport to Ontario Airport.

What documentation or ID do you need to fly to Ontario Airport?

The travel and health documents required for your trip to Ontario 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 Ontario Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

£441 Cheap Flights from Glasgow Intl Airport to Ontario in 2025/26

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Find the cheapest flights from Glasgow Intl Airport to Los Angeles

Round-trip

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

06:05 - 21:05

GLA

ONT

23h 00m2 stops

06:00 - 16:35

ONT

GLA

26h 35m2 stops

£461Delta

Mon, 9 Feb - Mon, 16 Feb

09:40 - 22:48

GLA

ONT

21h 08m2 stops

07:16 - 09:50

ONT

GLA

18h 34m2 stops

£480British Airways

Fri, 16 Jan - Tue, 20 Jan

17:20 - 21:05

GLA

ONT

35h 45m2 stops

07:30 - 22:10

ONT

GLA

30h 40m2 stops

£1,012KLM

Sun, 11 Jan - Thu, 15 Jan

13:35 - 16:50

GLA

ONT

35h 15m3 stops

21:06 - 09:55

ONT

GLA

28h 49m3 stops

£1,565Multiple Airlines

Mon, 9 Feb - Mon, 16 Feb

12:45 - 23:58

GLA

ONT

19h 13m2 stops

17:02 - 18:15

ONT

GLA

18h 13m2 stops

£4,361British Airways

Fri, 6 Mar - Wed, 18 Mar

09:05 - 21:05

GLA

ONT

20h 00m2 stops

13:20 - 12:45

ONT

GLA

16h 25m2 stops

£7,387KLM

Fri, 6 Mar - Tue, 17 Mar

09:05 - 21:05

GLA

ONT

20h 00m2 stops

13:20 - 12:45

ONT

GLA

16h 25m2 stops

£7,487KLM

Fri, 6 Mar - Thu, 19 Mar

British Airways flights from Glasgow Intl Airport to Ontario

Our best British Airways deals on Glasgow Intl Airport to Ontario flight tickets

British Airways

16 Jan

GLA09:40Glasgow Intl

21h 08m

2 stops

ONT22:48Ontario

20 Jan

ONT07:16Ontario

18h 34m

2 stops

GLA09:50Glasgow Intl

£480

Find similar

British Airways

29 Dec

GLA11:35Glasgow Intl

18h 17m

2 stops

ONT21:52Ontario

5 Jan

ONT12:45Ontario

16h 20m

2 stops

GLA13:05Glasgow Intl

£1,289

Find similar

British Airways

27 Dec

GLA11:40Glasgow Intl

18h 34m

2 stops

ONT22:14Ontario

3 Jan

ONT14:49Ontario

16h 06m

2 stops

GLA14:55Glasgow Intl

£1,418

Find similar

KLM flights from Glasgow Intl Airport to Ontario

Our best KLM deals on Glasgow Intl Airport to Ontario flight tickets

KLM

11 Jan

GLA17:20Glasgow Intl

35h 45m

2 stops

ONT21:05Ontario

15 Jan

ONT07:30Ontario

30h 40m

2 stops

GLA22:10Glasgow Intl

£1,012

Find similar

KLM

6 Mar

GLA09:05Glasgow Intl

20h 00m

2 stops

ONT21:05Ontario

17 Mar

ONT13:20Ontario

16h 25m

2 stops

GLA12:45Glasgow Intl

£7,387

Find similar

KLM

6 Mar

GLA09:05Glasgow Intl

20h 00m

2 stops

ONT21:05Ontario

19 Mar

ONT13:20Ontario

16h 25m

2 stops

GLA12:45Glasgow Intl

£7,486

Find similar

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

GlasgowOntario

GLA - ONT

GLAONT

Glasgow Intl

Mon 9/2

06:05-21:05

2 stops23h 00m

Ontario

Mon 16/2

06:00-16:35

2 stops26h 35m

£461

GlasgowOntario

GLA - ONT

GLAONT

Glasgow Intl

Fri 16/1

09:40-22:48

2 stops21h 08m

Ontario

Tue 20/1

07:16-09:50

2 stops18h 34m

£480

GlasgowOntario

GLA - ONT

GLAONT

Glasgow Intl

Sun 11/1

17:20-21:05

2 stops35h 45m

Ontario

Thu 15/1

07:30-22:10

2 stops30h 40m

£1,012

GlasgowOntario

GLA - ONT

GLAONT

Glasgow Intl

Mon 9/2

13:35-16:50

3 stops35h 15m

Ontario

Mon 16/2

21:06-09:55

3 stops28h 49m

£1,565

GlasgowOntario

GLA - ONT

GLAONT

Glasgow Intl

Fri 6/3

12:45-23:58

2 stops19h 13m

Ontario

Wed 18/3

17:02-18:15

2 stops18h 13m

£4,361

GlasgowOntario

GLA - ONT

GLAONT

Glasgow Intl

Fri 6/3

09:05-21:05

2 stops20h 00m

Ontario

Tue 17/3

13:20-12:45

2 stops16h 25m

£7,387

GlasgowOntario

GLA - ONT

GLAONT

Glasgow Intl

Fri 6/3

09:05-21:05

2 stops20h 00m

Ontario

Thu 19/3

13:20-12:45

2 stops16h 25m

£7,486

GlasgowOntario

GLA - ONT

GLAONT

Glasgow Intl

Sat 6/6

07:55-16:32

2 stops16h 37m

£593

GlasgowOntario

GLA - ONT

GLAONT

Glasgow Intl

Sat 20/6

10:20-23:54

2 stops21h 34m

£631

GlasgowOntario

GLA - ONT

GLAONT

Glasgow Intl

Thu 8/1

06:35-17:22

2 stops18h 47m

£1,010

Flights are sorted by cheapest return flights first.

Showing 1-10 of 17 resultsSorted by cheapest first

How to get the cheapest flight ticket from Glasgow Intl Airport to Ontario

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

Prices

Airlines

What is the cheapest day to depart on your flight to Ontario?

The cheapest day to depart on your flight to Ontario is on a Monday when prices can be found for as low as £473. This is often the case because there is less demand to fly during this day of the week. Flights from Glasgow Intl Airport to Ontario on a Thursday will generally be more expensive and average around £645. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

When to book flights from Glasgow Intl Airport to Ontario

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

Estimated return price

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

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

Fastest flight time	18h 02m
Direct flights	None

The fastest flight from Glasgow Intl Airport to Ontario takes 18h 02m

There are no direct flights from Glasgow Intl Airport to Ontario. There are no popular flight routes from Glasgow Intl Airport to Ontario.

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How far is Glasgow Intl to Ontario by plane?
There are 5089.6 mi between Glasgow Intl and Ontario. Typically, this will take 18h 02m by plane in normal conditions.
When did momondo last update prices for flights from Glasgow Intl Airport to Ontario Airport?
Prices for flights from Glasgow Intl Airport to Ontario Airport were last updated today.
How many operators does momondo search for flights from Glasgow Intl Airport to Ontario Airport?
The number of operators available for flights from Glasgow Intl Airport to Ontario Airport is 1 as of December 2025.
How old do you have to be to fly from Glasgow Intl Airport to Ontario Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Glasgow Intl Airport to Ontario Airport.
What documentation or ID do you need to fly to Ontario Airport?
The travel and health documents required for your trip to Ontario 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 Ontario Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular airline from Glasgow Intl Airport to Ontario?
Based on momondo bookings for flights between Glasgow Intl Airport and Ontario, the leading airline is British Airways, making up 100% of the total bookings.

Best airlines flying from Glasgow Intl Airport to Ontario

Compare and see reviews for airlines that fly from Glasgow Intl Airport to Ontario with momondo

Airline	Rating	Free Cancellation	Price
British Airways	PriceFrom £423	Free Cancellation	Rating 6.7 7,614 reviews		Search British Airways flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Glasgow to Ontario . Millions of users trust and use momondo every year so you are in good hands.

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

Yes. All flights to Ontario from Glasgow on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once all potential Glasgow to Ontario flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

If you are not ready to book a flight from Glasgow to Ontario now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Ontario and let you know when they change.