Find flights
When to book
FAQs

Cheap flights from Ontario to Glasgow Intl Airport from £242

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 20/9. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — GLA
16 Jun — 23 Jun1
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 17 May 2026.

Tue 13/1010:25
ONT
-
GLA
2 stops20h 15m
Multiple Airlines
Tue 20/1008:35
GLA
-
ONT
2 stops22h 31m
Multiple Airlines
Deal found 16/5£663
Sun 27/906:00
ONT
-
GLA
2 stops20h 10m
United Airlines
Fri 2/1014:00
GLA
-
ONT
2 stops30h 12m
United Airlines
Deal found 16/5£663
Sun 11/1012:00
ONT
-
GLA
2 stops20h 10m
Delta
Mon 19/1009:10
GLA
-
ONT
2 stops39h 02m
Delta
Deal found 16/5£667
Sat 10/1017:05
ONT
-
GLA
2 stops39h 05m
Delta
Fri 23/1006:00
GLA
-
ONT
2 stops18h 12m
Delta
Deal found 16/5£671
Mon 28/912:35
ONT
-
GLA
2 stops19h 35m
Multiple Airlines
Tue 6/1013:05
GLA
-
ONT
2 stops16h 30m
Multiple Airlines
Deal found 14/5£684
Tue 18/812:59
ONT
-
GLA
2 stops17h 41m
British Airways
Mon 31/819:35
GLA
-
ONT
2 stops33h 37m
British Airways
Deal found 16/5£687
Wed 12/812:59
ONT
-
GLA
2 stops21h 46m
British Airways
Wed 16/915:35
GLA
-
ONT
2 stops37h 33m
British Airways
Deal found 13/5£689
Thu 5/1116:47
ONT
-
GLA
2 stops15h 53m
British Airways
Thu 12/1105:55
GLA
-
ONT
2 stops20h 27m
British Airways
Deal found 12/5£693
Sat 28/1119:30
ONT
-
GLA
2 stops40h 55m
British Airways
Wed 9/1211:40
GLA
-
ONT
2 stops18h 39m
British Airways
Deal found 17/5£696
Fri 27/1107:00
ONT
-
GLA
2 stops22h 05m
Iberia
Tue 8/1209:50
GLA
-
ONT
2 stops22h 05m
Iberia
Deal found 17/5£700
Fri 25/907:00
ONT
-
GLA
2 stops19h 10m
United Airlines
Fri 2/1014:00
GLA
-
ONT
2 stops30h 12m
United Airlines
Deal found 16/5£701
Thu 15/1011:55
ONT
-
GLA
2 stops20h 15m
Delta
Fri 23/1006:00
GLA
-
ONT
2 stops19h 17m
Delta
Deal found 16/5£705

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 17 May 2026.

Round-trip from

£663

One-way from

£242

Popular in

June

Cheapest in

January

Average price

£582
13/10-20/10
  • 13/10-20/10
  • 4 total stops
  • 42h 46m total
  • Ontario to Glasgow
Search Deals
British Airways
  • British Airways
  • 20/9
  • 2 total stops
  • 17h 46m total
  • Ontario to Glasgow
Search Deals
Highest demand for flights based on searches. 18% potential increase in price (£114 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (£31 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 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 17 May 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 - GLA

ONTGLA

Ontario

Tue 13/10

10:25-14:40

2 stops20h 15m

Glasgow Intl

Wed 21/10

09:30-23:06

2 stops21h 36m

£663

OntarioGlasgow

ONT - GLA

ONTGLA

Ontario

Sat 26/9

17:55-08:25

2 stops54h 30m

Glasgow Intl

Fri 2/10

06:00-18:01

2 stops20h 01m

£671
Fastest return journey

OntarioGlasgow

ONT - GLA

ONTGLA

Ontario

Mon 28/9

12:35-16:10

2 stops19h 35m

Glasgow Intl

Tue 6/10

13:05-21:35

2 stops16h 30m

£684

OntarioGlasgow

ONT - GLA

ONTGLA

Ontario

Wed 12/8

12:59-18:45

2 stops21h 46m

Glasgow Intl

Wed 16/9

15:35-21:08

2 stops37h 33m

£689

OntarioGlasgow

ONT - GLA

ONTGLA

Ontario

Thu 5/11

16:47-16:40

2 stops15h 53m

Glasgow Intl

Thu 12/11

05:55-18:22

2 stops20h 27m

£693

OntarioGlasgow

ONT - GLA

ONTGLA

Ontario

Fri 25/9

07:00-10:10

2 stops19h 10m

Glasgow Intl

Fri 2/10

14:00-12:12

2 stops30h 12m

£701

OntarioGlasgow

ONT - GLA

ONTGLA

Ontario

Sun 27/9

06:00-10:10

2 stops20h 10m

Glasgow Intl

Sat 3/10

14:00-12:12

2 stops30h 12m

£701

OntarioGlasgow

ONT - GLA

ONTGLA

Ontario

Thu 15/10

11:55-16:10

2 stops20h 15m

Glasgow Intl

Fri 23/10

06:00-17:17

2 stops19h 17m

£705

OntarioGlasgow

ONT - GLA

ONTGLA

Ontario

Fri 25/9

13:00-16:15

2 stops19h 15m

Glasgow Intl

Tue 6/10

06:00-16:12

2 stops18h 12m

£705

OntarioGlasgow

ONT - GLA

ONTGLA

Ontario

Wed 23/9

05:45-10:10

2 stops20h 25m

Glasgow Intl

Sat 3/10

14:00-21:58

2 stops39h 58m

£711

Flights are sorted by cheapest return flights first.

Deals found on 13/5

Showing 1-10 of 18 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 17h 25m. Fly via Delta 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
Dumbarton
Arrochar
Clydebank
East Kilbride
Largs
Renfrew
Inveraray
Rothesay
Alexandria
Tarbert
Balloch

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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?

Millions of users choose and trust Cheapflights to book the best flight deals from Ontario to Glasgow Intl for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.