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 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.

£409 Cheap Flights from Glasgow Intl Airport to Ontario in 2026

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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.

08:35 - 21:08

GLA

ONT

20h 33m

2 stops

12:35 - 16:45

ONT

GLA

20h 10m

2 stops

£502British Airways

Tue, 6 Oct - Tue, 20 Oct

14:00 - 20:53

GLA

ONT

38h 53m

2 stops

07:00 - 10:10

ONT

GLA

19h 10m

2 stops

£517United Airlines

Wed, 9 Sep - Sun, 13 Sep

14:00 - 20:01

GLA

ONT

38h 01m

2 stops

06:00 - 10:10

ONT

GLA

20h 10m

2 stops

£518United Airlines

Thu, 10 Sep - Mon, 14 Sep

14:00 - 20:01

GLA

ONT

38h 01m

2 stops

06:00 - 10:10

ONT

GLA

20h 10m

2 stops

£519United Airlines

Thu, 10 Sep - Mon, 14 Sep

09:30 - 22:37

GLA

ONT

21h 07m

2 stops

13:05 - 18:50

ONT

GLA

21h 45m

2 stops

£558British Airways

Fri, 18 Sep - Thu, 24 Sep

07:00 - 21:43

GLA

ONT

22h 43m

2 stops

13:11 - 18:45

ONT

GLA

21h 34m

2 stops

£587British Airways

Thu, 9 Jul - Wed, 22 Jul

14:00 - 10:23

GLA

ONT

28h 23m

3 stops

07:00 - 10:10

ONT

GLA

19h 10m

2 stops

£606United Airlines

Tue, 6 Oct - Tue, 20 Oct

19:35 - 18:18

GLA

ONT

30h 43m

2 stops

13:11 - 19:40

ONT

GLA

22h 29m

2 stops

£795British Airways

Mon, 6 Jul - Mon, 20 Jul

09:30 - 19:59

GLA

ONT

18h 29m

2 stops

13:11 - 18:40

ONT

GLA

21h 29m

2 stops

£832British Airways

Fri, 24 Jul - Mon, 3 Aug

14:00 - 12:12

GLA

ONT

30h 12m

2 stops

05:00 - 10:10

ONT

GLA

21h 10m

2 stops

£916United Airlines

Wed, 29 Jul - Wed, 5 Aug

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British Airways flights from Glasgow Intl Airport to Ontario

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

British Airways

6 Oct

GLA08:35Glasgow Intl

20h 33m

2 stops

ONT21:08Ontario

20 Oct

ONT12:35Ontario

20h 10m

2 stops

GLA16:45Glasgow Intl

£502

British Airways

18 Sept

GLA09:30Glasgow Intl

21h 07m

2 stops

ONT22:37Ontario

24 Sept

ONT13:05Ontario

21h 45m

2 stops

GLA18:50Glasgow Intl

£558

British Airways

9 Jul

GLA07:00Glasgow Intl

22h 43m

2 stops

ONT21:43Ontario

22 Jul

ONT13:11Ontario

21h 34m

2 stops

GLA18:45Glasgow Intl

£587

United Airlines flights from Glasgow Intl Airport to Ontario

Our best United Airlines deals on Glasgow Intl Airport to Ontario flight tickets

United Airlines

9 Sept

GLA14:00Glasgow Intl

38h 53m

2 stops

ONT20:53Ontario

13 Sept

ONT07:00Ontario

19h 10m

2 stops

GLA10:10Glasgow Intl

£517

United Airlines

10 Sept

GLA14:00Glasgow Intl

38h 01m

2 stops

ONT20:01Ontario

14 Sept

ONT06:00Ontario

20h 10m

2 stops

GLA10:10Glasgow Intl

£518

United Airlines

10 Sept

GLA14:00Glasgow Intl

38h 01m

2 stops

ONT20:01Ontario

14 Sept

ONT06:00Ontario

20h 10m

2 stops

GLA10:10Glasgow Intl

£519

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

Cheapest return flight

GlasgowOntario

GLA - ONT

GLAONT

Glasgow Intl

Tue 6/10

08:35-21:08

2 stops20h 33m

Ontario

Tue 20/10

12:35-16:45

2 stops20h 10m

£502

GlasgowOntario

GLA - ONT

GLAONT

Glasgow Intl

Wed 9/9

14:00-20:53

2 stops38h 53m

Ontario

Sun 13/9

07:00-10:10

2 stops19h 10m

£517

GlasgowOntario

GLA - ONT

GLAONT

Glasgow Intl

Thu 10/9

14:00-20:01

2 stops38h 01m

Ontario

Mon 14/9

06:00-10:10

2 stops20h 10m

£518

GlasgowOntario

GLA - ONT

GLAONT

Glasgow Intl

Thu 10/9

14:00-20:01

2 stops38h 01m

Ontario

Mon 14/9

06:00-10:10

2 stops20h 10m

£519

GlasgowOntario

GLA - ONT

GLAONT

Glasgow Intl

Fri 18/9

09:30-22:37

2 stops21h 07m

Ontario

Thu 24/9

13:05-18:50

2 stops21h 45m

£558

GlasgowOntario

GLA - ONT

GLAONT

Glasgow Intl

Thu 9/7

07:00-21:43

2 stops22h 43m

Ontario

Wed 22/7

13:11-18:45

2 stops21h 34m

£587

GlasgowOntario

GLA - ONT

GLAONT

Glasgow Intl

Tue 6/10

14:00-10:23

3 stops28h 23m

Ontario

Tue 20/10

07:00-10:10

2 stops19h 10m

£606

GlasgowOntario

GLA - ONT

GLAONT

Glasgow Intl

Mon 6/7

19:35-18:18

2 stops30h 43m

Ontario

Mon 20/7

13:11-19:40

2 stops22h 29m

£795

Fastest return journey

GlasgowOntario

GLA - ONT

GLAONT

Glasgow Intl

Fri 24/7

09:30-19:59

2 stops18h 29m

Ontario

Mon 3/8

13:11-18:40

2 stops21h 29m

£832

GlasgowOntario

GLA - ONT

GLAONT

Glasgow Intl

Wed 29/7

14:00-12:12

2 stops30h 12m

Ontario

Wed 5/8

05:00-10:10

2 stops21h 10m

£916

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 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

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

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

Which airlines fly to Ontario?

British Airways, Aer Lingus and KLM 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 64% of people opting to fly with this airline when travelling to Ontario. Keep in mind that there are 7 different airlines that fly to Ontario on a routine basis, so you have a few additional options to choose from.

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 29m
Direct flights	None

The fastest flight from Glasgow Intl Airport to Ontario takes 18h 29m

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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Frequently asked questions about flying from Glasgow Intl Airport to Ontario

How far is Glasgow Intl to Ontario by plane?
There are 5089.6 mi between Glasgow Intl and Ontario. Typically, this will take 18h 29m 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 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.

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.