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.

£514 Cheap Flights from Glasgow Intl Airport to Ontario in 2026/27

Find the cheapest flights from Glasgow Intl Airport to Los Angeles

Return

One-way

Cheap return flights

Enter your travel dates to find the best prices.

05:40 - 16:12GLA Glasgow Intl-ONT Ontario

18h 32m2 stops Amsterdam Schiphol Salt Lake City

12:00 - 12:45ONT Ontario-GLA Glasgow Intl

16h 45m2 stops Atlanta Hartsfield-Jackson Amsterdam Schiphol

£620KLM

Wed, 3 Feb - Wed, 24 Feb

11:55 - 22:36GLA Glasgow Intl-ONT Ontario

18h 41m2 stops London Heathrow Dallas/Fort Worth

14:09 - 15:50ONT Ontario-GLA Glasgow Intl

17h 41m2 stops Dallas/Fort Worth London Heathrow

£623British Airways

Tue, 24 Nov - Tue, 1 Dec

11:40 - 22:25GLA Glasgow Intl-ONT Ontario

18h 45m2 stops London Heathrow Dallas/Fort Worth

14:22 - 15:10ONT Ontario-GLA Glasgow Intl

16h 48m2 stops Dallas/Fort Worth London Heathrow

£656British Airways

Mon, 15 Feb - Thu, 18 Feb

09:45 - 23:13GLA Glasgow Intl-ONT Ontario

21h 28m2 stops London Heathrow Dallas/Fort Worth

06:00 - 14:35ONT Ontario-GLA Glasgow Intl

24h 35m2 stops Dallas/Fort Worth London Heathrow

£682Iberia

Wed, 27 Jan - Sun, 31 Jan

12:20 - 21:59GLA Glasgow Intl-ONT Ontario

17h 39m2 stops London Heathrow Phoenix Sky Harbor Intl

16:52 - 17:50ONT Ontario-GLA Glasgow Intl

16h 58m2 stops Phoenix Sky Harbor Intl London Heathrow

£691British Airways

Fri, 9 Apr - Wed, 21 Apr

11:55 - 22:25GLA Glasgow Intl-ONT Ontario

18h 30m2 stops London Heathrow Dallas/Fort Worth

16:25 - 17:10ONT Ontario-GLA Glasgow Intl

17h 45m2 stops Phoenix Sky Harbor Intl London Heathrow

£693British Airways

Tue, 2 Mar - Tue, 23 Mar

10:55 - 22:10GLA Glasgow Intl-ONT Ontario

19h 15m2 stops London Heathrow Phoenix Sky Harbor Intl

12:49 - 14:40ONT Ontario-GLA Glasgow Intl

17h 51m2 stops Dallas/Fort Worth London Heathrow

£693British Airways

Tue, 9 Mar - Tue, 30 Mar

10:55 - 22:25GLA Glasgow Intl-ONT Ontario

19h 30m2 stops London Heathrow Dallas/Fort Worth

12:49 - 14:40ONT Ontario-GLA Glasgow Intl

17h 51m2 stops Dallas/Fort Worth London Heathrow

£703Iberia

Tue, 9 Mar - Tue, 30 Mar

10:55 - 22:10GLA Glasgow Intl-ONT Ontario

19h 15m2 stops London Heathrow Phoenix Sky Harbor Intl

12:49 - 14:40ONT Ontario-GLA Glasgow Intl

17h 51m2 stops Dallas/Fort Worth London Heathrow

£706British Airways

Tue, 9 Mar - Tue, 30 Mar

10:55 - 22:10GLA Glasgow Intl-ONT Ontario

19h 15m2 stops London Heathrow Phoenix Sky Harbor Intl

12:49 - 14:40ONT Ontario-GLA Glasgow Intl

17h 51m2 stops Dallas/Fort Worth London Heathrow

£713British Airways

Tue, 9 Mar - Tue, 30 Mar

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

KLM flights from Glasgow Intl Airport to Ontario

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

KLM

3 Feb

GLA05:40Glasgow Intl

18h 32m

2 stops

ONT16:12Ontario

24 Feb

ONT12:00Ontario

16h 45m

2 stops

GLA12:45Glasgow Intl

£620

KLM

9 Mar

GLA06:00Glasgow Intl

18h 12m

2 stops

ONT16:12Ontario

30 Mar

ONT13:00Ontario

15h 55m

2 stops

GLA12:55Glasgow Intl

£930

KLM

23 Oct

GLA13:30Glasgow Intl

18h 25m

2 stops

ONT23:55Ontario

28 Oct

ONT12:16Ontario

17h 29m

2 stops

GLA12:45Glasgow Intl

£963

British Airways flights from Glasgow Intl Airport to Ontario

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

British Airways

24 Nov

GLA11:55Glasgow Intl

18h 41m

2 stops

ONT22:36Ontario

1 Dec

ONT14:09Ontario

17h 41m

2 stops

GLA15:50Glasgow Intl

£623

British Airways

15 Feb

GLA11:40Glasgow Intl

18h 45m

2 stops

ONT22:25Ontario

18 Feb

ONT14:22Ontario

16h 48m

2 stops

GLA15:10Glasgow Intl

£656

British Airways

9 Apr

GLA12:20Glasgow Intl

17h 39m

2 stops

ONT21:59Ontario

21 Apr

ONT16:52Ontario

16h 58m

2 stops

GLA17:50Glasgow Intl

£691

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 Glasgow Intl - ONT Ontario

GLAONT

Glasgow Intl

Wed 3/2

05:40-16:12

2 stops18h 32m

Ontario

Wed 24/2

12:00-12:45

2 stops16h 45m

£620

GlasgowOntario

GLA Glasgow Intl - ONT Ontario

GLAONT

Glasgow Intl

Tue 24/11

11:55-22:36

2 stops18h 41m

Ontario

Tue 1/12

14:09-15:50

2 stops17h 41m

£623

GlasgowOntario

GLA Glasgow Intl - ONT Ontario

GLAONT

Glasgow Intl

Mon 15/2

11:40-22:25

2 stops18h 45m

Ontario

Thu 18/2

14:22-15:10

2 stops16h 48m

£656

GlasgowOntario

GLA Glasgow Intl - ONT Ontario

GLAONT

Glasgow Intl

Wed 27/1

09:45-23:13

2 stops21h 28m

Ontario

Sun 31/1

06:00-14:35

2 stops24h 35m

£682

Fastest return journey

GlasgowOntario

GLA Glasgow Intl - ONT Ontario

GLAONT

Glasgow Intl

Fri 9/4

12:20-21:59

2 stops17h 39m

Ontario

Wed 21/4

16:52-17:50

2 stops16h 58m

£691

GlasgowOntario

GLA Glasgow Intl - ONT Ontario

GLAONT

Glasgow Intl

Tue 2/3

11:55-22:25

2 stops18h 30m

Ontario

Tue 23/3

16:25-17:10

2 stops17h 45m

£693

GlasgowOntario

GLA Glasgow Intl - ONT Ontario

GLAONT

Glasgow Intl

Tue 9/3

10:55-22:10

2 stops19h 15m

Ontario

Tue 30/3

12:49-14:40

2 stops17h 51m

£693

GlasgowOntario

GLA Glasgow Intl - ONT Ontario

GLAONT

Glasgow Intl

Tue 9/3

10:55-22:25

2 stops19h 30m

Ontario

Tue 30/3

12:49-14:40

2 stops17h 51m

£703

GlasgowOntario

GLA Glasgow Intl - ONT Ontario

GLAONT

Glasgow Intl

Tue 9/3

10:55-22:10

2 stops19h 15m

Ontario

Tue 30/3

12:49-14:40

2 stops17h 51m

£706

GlasgowOntario

GLA Glasgow Intl - ONT Ontario

GLAONT

Glasgow Intl

Tue 9/3

10:55-22:10

2 stops19h 15m

Ontario

Tue 30/3

12:49-14:40

2 stops17h 51m

£713

Flights are sorted by cheapest return flights first.

Showing 1-10 of 18 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 Air France 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 54% 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.

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

Best price found	£514
Fastest flight time	18h 30m
Direct flights	None

The best one-way flight to Ontario from Glasgow Intl Airport in the past 72 hours is £514. The best return flight deal from Glasgow Intl Airport to Ontario found on momondo in the last 72 hours is £620.

The fastest flight from Glasgow Intl Airport to Ontario takes 18h 30m

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

Search flight deals

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 30m 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.