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Cheap flights from Ontario to Glasgow Intl Airport from £298

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 15/9. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — GLA
14 Sep — 21 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ontario to Glasgow Intl

Enter your travel dates to find the best prices.

Cheapest flights from Ontario to Glasgow Intl
Explore the most affordable flight options available from Ontario to Glasgow Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 August 2026.

Mon 14/1207:00 -
2 stops18h 50m
Wed 23/1220:25 -
2 stops33h 37m
Deal found 14/8£671
Tue 15/1206:00 -
2 stops24h 35m
Wed 23/1220:25 -
2 stops33h 37m
Deal found 14/8£692
Tue 22/906:00 -
2 stops20h 10m
Fri 2/1014:00 -
2 stops39h 59m
Deal found 10/8£702
Sun 13/919:13 -
3 stops30h 57m
Sun 20/914:00 -
2 stops38h 53m
Deal found 14/8£740
Fri 11/913:04 -
2 stops23h 11m
Fri 18/905:50 -
2 stops44h 27m
Deal found 12/8£776
Wed 4/1109:29 -
2 stops22h 31m
Sun 8/1114:35 -
2 stops38h 57m
Deal found 11/8£793
Sat 7/1113:23 -
2 stops19h 47m
Sun 22/1105:40 -
2 stops21h 17m
Deal found 13/8£794
Fri 18/913:04 -
2 stops23h 11m
Fri 2/1005:50 -
2 stops20h 27m
Deal found 12/8£795
Wed 19/817:05 -
2 stops15h 10m
Wed 26/813:30 -
2 stops18h 04m
Deal found 14/8£809
Wed 19/812:59 -
2 stops21h 46m
Sun 23/807:35 -
2 stops23h 24m
Deal found 13/8£930
Wed 19/813:18 -
2 stops36h 52m
Sun 23/814:00 -
2 stops38h 53m
Deal found 12/8£946

Find flight deals from Ontario to Glasgow Intl

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Glasgow Intl (GLA). 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 15 August 2026.

Round-trip from

£671

One-way from

£298

Popular in

June

Cheapest in

January

Average price

£719
Iberia
  • Iberia
  • 14/12-23/12
  • 4 total stops
  • 52h 27m total
  • Ontario to Glasgow
Search Deals
15/9
  • 15/9
  • 3 total stops
  • 31h 56m total
  • Ontario to Glasgow
Search Deals
Highest demand for flights based on searches. 19% potential increase in price (£124 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£21 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 Ontario to Glasgow Intl 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 15 August 2026.
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

Cheapest return flight

OntarioGlasgow

ONT Ontario - GLA Glasgow Intl

ONTGLA

Ontario

Tue 22/9

06:00-10:10

2 stops20h 10m

Glasgow Intl

Fri 2/10

14:00-21:59

2 stops39h 59m

£702

OntarioGlasgow

ONT Ontario - GLA Glasgow Intl

ONTGLA

Ontario

Sun 13/9

19:13-10:10

3 stops30h 57m

Glasgow Intl

Sun 20/9

14:00-20:53

2 stops38h 53m

£740

OntarioGlasgow

ONT Ontario - GLA Glasgow Intl

ONTGLA

Ontario

Sat 9/1

12:57-17:10

2 stops20h 13m

Glasgow Intl

Sun 17/1

11:40-22:45

2 stops19h 05m

£754

OntarioGlasgow

ONT Ontario - GLA Glasgow Intl

ONTGLA

Ontario

Sat 9/1

12:57-17:10

2 stops20h 13m

Glasgow Intl

Sun 24/1

09:05-22:45

2 stops21h 40m

£754

OntarioGlasgow

ONT Ontario - GLA Glasgow Intl

ONTGLA

Ontario

Fri 11/9

13:04-20:15

2 stops23h 11m

Glasgow Intl

Fri 18/9

05:50-18:17

2 stops44h 27m

£776

OntarioGlasgow

ONT Ontario - GLA Glasgow Intl

ONTGLA

Ontario

Sat 7/11

13:23-17:10

2 stops19h 47m

Glasgow Intl

Sun 22/11

05:40-18:57

2 stops21h 17m

£794

OntarioGlasgow

ONT Ontario - GLA Glasgow Intl

ONTGLA

Ontario

Sun 10/1

12:43-19:25

2 stops22h 42m

Glasgow Intl

Wed 13/1

05:55-22:01

2 stops24h 06m

£823

OntarioGlasgow

ONT Ontario - GLA Glasgow Intl

ONTGLA

Ontario

Sun 27/9

06:00-10:10

2 stops20h 10m

Glasgow Intl

Sun 4/10

14:00-12:18

2 stops30h 18m

£997
Fastest return journey

OntarioGlasgow

ONT Ontario - GLA Glasgow Intl

ONTGLA

Ontario

Fri 25/9

15:14-13:25

2 stops14h 11m

Glasgow Intl

Fri 9/10

14:20-23:54

2 stops17h 34m

£1,017
Cheapest one-way
Fastest single journey

OntarioGlasgow

ONT Ontario - GLA Glasgow Intl

ONTGLA

Ontario

Sun 20/9

08:25-18:45

2 stops26h 20m

£328

Flights are sorted by cheapest return flights first.

Deals found on 15/8

Showing 1-10 of 12 resultsSorted by cheapest first
1
2

Best time to book a flight from Ontario to Glasgow Intl

Have a flexible travel schedule? Discover the best time to fly to Glasgow Intl from Ontario 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 Ontario to Glasgow Intl. 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 from for flights from Ontario to Glasgow Intl?

    Ontario (ONT), located 3.1 mi from the city center, is the airport you fly out of when you book flights from Ontario to Glasgow Intl. 0 airlines have flights from Ontario to Glasgow Intl on a regular basis. Booking flights from Ontario to Glasgow Intl should not be difficult; the airport handles an average of 0 outbound flights to Glasgow Intl per day.

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

    There are many flights that can get you from Ontario to Glasgow Intl Airport in 20h 10m. Fly via United Airlines or British Airways to get the fastest option. The distance from Ontario to Glasgow Intl Airport is about 5088 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Ontario to Glasgow Intl 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

Travelling to a place near Glasgow Intl Airport?

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

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How does Cheapflights help users find flights from Ontario to Glasgow Intl?

Cheapflights makes it easy to find Ontario to Glasgow Intl flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

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

Need flexible booking options for your flight to Glasgow Intl from Ontario? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Not ready to book yet? You can track prices for flights from Ontario to Glasgow Intl on Cheapflights with our Price Alert feature and get notified when better prices are available.

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