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Cheap flights from Glasgow Intl Airport to Ontario from £415

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 22/9. Fares are subject to change and may not be available on all flights or dates of travel.
GLA — ONT
9 Sep — 16 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Glasgow Intl to Ontario

Enter your travel dates to find the best prices.

Cheapest flights from Glasgow Intl to Ontario
Explore the most affordable flight options available from Glasgow Intl to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 August 2026.

Thu 1/1006:00 -
2 stops24h 24m
Thu 8/1006:20 -
2 stops22h 35m
Deal found 6/8£633
Thu 3/908:35 -
2 stops22h 24m
Mon 7/912:59 -
2 stops21h 41m
Deal found 6/8£654
Wed 30/907:30 -
2 stops23h 07m
Mon 5/1013:05 -
2 stops21h 35m
Deal found 5/8£662
Wed 9/907:30 -
2 stops18h 47m
Mon 21/913:04 -
2 stops26h 16m
Deal found 9/8£663
Sat 5/910:25 -
2 stops20h 34m
Thu 17/912:37 -
2 stops22h 58m
Deal found 6/8£684
Sat 14/1106:00 -
2 stops18h 30m
Sun 22/1112:22 -
2 stops20h 08m
Deal found 10/8£715
Sat 5/914:00 -
3 stops38h 01m
Thu 17/905:00 -
2 stops21h 10m
Deal found 6/8£734
Fri 18/1210:40 -
2 stops21h 19m
Fri 8/112:57 -
2 stops21h 03m
Deal found 9/8£756
Sun 15/1106:00 -
2 stops19h 13m
Mon 23/1107:00 -
2 stops17h 30m
Deal found 10/8£768
Sat 3/1007:55 -
2 stops20h 14m
Sun 18/1013:05 -
2 stops21h 40m
Deal found 6/8£797

Find flight deals from Glasgow Intl to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Glasgow Intl (GLA) to Ontario (ONT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 10 August 2026.

Round-trip from

£633

One-way from

£415

Popular in

July

Cheapest in

November

Average price

£743
KLM
  • KLM
  • 1/10-8/10
  • 4 total stops
  • 46h 59m total
  • Glasgow to Ontario
Search Deals
22/9
  • 22/9
  • 3 total stops
  • 44h 45m total
  • Glasgow to Ontario
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£60 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£10 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Glasgow Intl to Ontario 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, Cheapflights users made 858,174 searches. Data last updated 10 August 2026.
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

Thu 3/9

08:35-22:59

2 stops22h 24m

Ontario

Mon 7/9

12:59-19:40

2 stops22h 41m

£655

GlasgowOntario

GLA Glasgow Intl - ONT Ontario

GLAONT

Glasgow Intl

Wed 20/1

09:45-22:49

2 stops21h 04m

Ontario

Sun 24/1

15:09-19:25

2 stops20h 16m

£660

GlasgowOntario

GLA Glasgow Intl - ONT Ontario

GLAONT

Glasgow Intl

Wed 30/9

07:30-22:37

2 stops23h 07m

Ontario

Mon 5/10

13:05-18:40

2 stops21h 35m

£662

GlasgowOntario

GLA Glasgow Intl - ONT Ontario

GLAONT

Glasgow Intl

Wed 9/9

07:30-18:17

2 stops18h 47m

Ontario

Mon 21/9

13:04-23:20

2 stops26h 16m

£663

GlasgowOntario

GLA Glasgow Intl - ONT Ontario

GLAONT

Glasgow Intl

Sat 5/9

10:25-22:59

2 stops20h 34m

Ontario

Thu 17/9

12:37-19:35

2 stops22h 58m

£684

GlasgowOntario

GLA Glasgow Intl - ONT Ontario

GLAONT

Glasgow Intl

Sat 5/9

14:00-20:01

3 stops38h 01m

Ontario

Thu 17/9

05:00-10:10

2 stops21h 10m

£734

GlasgowOntario

GLA Glasgow Intl - ONT Ontario

GLAONT

Glasgow Intl

Fri 18/12

10:40-23:59

2 stops21h 19m

Ontario

Fri 8/1

12:57-18:00

2 stops21h 03m

£756

GlasgowOntario

GLA Glasgow Intl - ONT Ontario

GLAONT

Glasgow Intl

Sun 15/11

06:00-17:13

2 stops19h 13m

Ontario

Mon 23/11

07:00-08:30

2 stops17h 30m

£768

GlasgowOntario

GLA Glasgow Intl - ONT Ontario

GLAONT

Glasgow Intl

Thu 27/8

08:35-22:59

2 stops22h 24m

Ontario

Wed 2/9

12:59-17:50

2 stops20h 51m

£799

GlasgowOntario

GLA Glasgow Intl - ONT Ontario

GLAONT

Glasgow Intl

Sat 5/12

11:55-22:39

2 stops18h 44m

Ontario

Sat 12/12

11:20-09:55

2 stops14h 35m

£954

Flights are sorted by cheapest return flights first.

Deals found on 7/8

Showing 1-10 of 22 resultsSorted by cheapest first
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Best time to book a flight from Glasgow Intl to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Glasgow Intl with our price prediction graph.
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

Find useful and relevant information for your journey from Glasgow Intl to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    Most people fly into Ontario (ONT) if they book a flight to Ontario from Glasgow Intl. On average, Ontario has 0 inbound flights from Glasgow Intl per day from 0 airlines. Ontario is conveniently located just 3.1 mi from Ontario’s city center.

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

    Departing from Glasgow Intl Airport to Ontario will take you 20h 34m. There are 5088 mi between Glasgow Intl Airport and Ontario. Both multi-stop and direct flights can be found to your destination and back.

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

    Yes. In addition to deals on Glasgow Intl to Ontario flights, Cheapflights offers holiday packages that include both flights and hotel.

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

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Glasgow Intl to Ontario.

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

    Yes. Cheapflights offers flight deals from Glasgow Intl to Ontario by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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Why should you use Cheapflights to find cheap flight tickets from Glasgow Intl to Ontario?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Glasgow Intl to Ontario for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Glasgow Intl to Ontario with no change fees?

Yes, we can. To see specific flights from Glasgow Intl to Ontario with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

Of course! You can now track prices for flights from Glasgow Intl to Ontario and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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