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$495+ Cheap flights from Ontario (ONT) to Glasgow

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 9/13. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — GLA
Aug 21 — Aug 281
Thu 8/21
Thu 8/28
1 adult, Economy
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Cheap flight deals from Ontario to Glasgow

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Glasgow (GG1). 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 August 16, 2025.

Round-trip from

$805
(oojo)

One-way from

$495
(oojo)

Popular in

June

Cheapest in

November

Average price

$764
From Ontario to Glasgow
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One-way flight from Ontario to Glasgow
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Highest demand for flights based on searches. 20% potential increase in price ($212 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($36 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from Ontario to Glasgow

Cheapest flights from Ontario to Glasgow
Explore the most affordable flight options available from Ontario to Glasgow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 16, 2025.

This oojo deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/214:45 pmONT - GLA
2 stops18h 00mBritish Airways
Tue 9/309:20 pmGLA - ONT
2 stops28h 56mBritish Airways
Deal found 8/15$805
This oojo deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/222:54 pmONT - GLA
2 stops17h 51mBritish Airways
Fri 10/108:25 pmGLA - ONT
2 stops30h 10mBritish Airways
Deal found 8/14$885
This oojo deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/132:54 pmONT - GLA
2 stops20h 46mBritish Airways
Tue 10/79:20 pmGLA - ONT
2 stops29h 15mBritish Airways
Deal found 8/14$905
This Cheapflightsfares deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/252:30 pmONT - GLA
2 stops17h 35mBritish Airways
Thu 10/238:35 amGLA - ONT
2 stops18h 27mBritish Airways
Deal found 8/15$1,006
This American Airlines deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/2412:53 pmONT - GLA
2 stops16h 12mMultiple Airlines
Fri 11/286:35 amGLA - ONT
2 stops17h 07mMultiple Airlines
Deal found 8/15$1,299
This Icelandair deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/2110:50 amONT - GLA
2 stops15h 05mMultiple Airlines
Sat 11/2912:35 pmGLA - ONT
2 stops18h 20mMultiple Airlines
Deal found 8/14$2,046
This Air France deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/144:40 pmONT - GLA
2 stops15h 30mKLM
Sun 9/216:00 amGLA - ONT
2 stops17h 57mKLM
Deal found 8/15$2,120
This Delta deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/251:15 pmONT - GLA
2 stops15h 45mDelta
Mon 9/296:00 amGLA - ONT
2 stops17h 57mDelta
Deal found 8/15$2,461
This oojo deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1812:22 pmONT - GLA
2 stops20h 23mBritish Airways
Mon 8/258:50 pmGLA - ONT
2 stops29h 34mBritish Airways
Deal found 8/14$8,850

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Glasgow 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 2,558,603 searches. Data last updated August 16, 2025.
Use the filters below to find and compare flights from Ontario to Glasgow that are best for you.

Fly from

Ontario

Fly to

Glasgow

Route

Depart

Return

Price

OntarioGlasgow

ONT - GLA

ONTGLA

Ontario

Sun 9/21

4:45 pm-6:45 pm

2 stops18h 00m

Glasgow Intl

Tue 9/30

9:20 pm-6:16 pm

2 stops28h 56m

$805

OntarioGlasgow

ONT - GLA

ONTGLA

Ontario

Mon 9/22

2:54 pm-4:45 pm

2 stops17h 51m

Glasgow Intl

Fri 10/10

8:25 pm-6:35 pm

2 stops30h 10m

$885

OntarioGlasgow

ONT - GLA

ONTGLA

Ontario

Sat 9/13

2:54 pm-7:40 pm

2 stops20h 46m

Glasgow Intl

Tue 10/7

9:20 pm-6:35 pm

2 stops29h 15m

$905

OntarioGlasgow

ONT - GLA

ONTGLA

Ontario

Tue 1/27

8:43 am-9:50 am

2 stops17h 07m

Glasgow Intl

Fri 2/6

11:40 am-10:02 pm

2 stops18h 22m

$909

OntarioGlasgow

ONT - GLA

ONTGLA

Ontario

Thu 9/25

2:30 pm-4:05 pm

2 stops17h 35m

Glasgow Intl

Thu 10/23

8:35 am-7:02 pm

2 stops18h 27m

$1,006

OntarioGlasgow

ONT - GLA

ONTGLA

Ontario

Mon 11/24

12:53 pm-1:05 pm

2 stops16h 12m

Glasgow Intl

Fri 11/28

6:35 am-3:42 pm

2 stops17h 07m

$1,299

OntarioGlasgow

ONT - GLA

ONTGLA

Ontario

Fri 11/21

10:50 am-9:55 am

2 stops15h 05m

Glasgow Intl

Sat 11/29

12:35 pm-10:55 pm

2 stops18h 20m

$2,046

OntarioGlasgow

ONT - GLA

ONTGLA

Ontario

Sun 9/14

4:40 pm-4:10 pm

2 stops15h 30m

Glasgow Intl

Sun 9/21

6:00 am-3:57 pm

2 stops17h 57m

$2,120

OntarioGlasgow

ONT - GLA

ONTGLA

Ontario

Thu 9/25

1:15 pm-1:00 pm

2 stops15h 45m

Glasgow Intl

Mon 9/29

6:00 am-3:57 pm

2 stops17h 57m

$2,461

OntarioGlasgow

ONT - GLA

ONTGLA

Ontario

Sat 9/13

6:10 am-9:20 am

2 stops19h 10m

$495

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/14

Showing 1-10 of 20 results
1
2

Best time to book a flight from Ontario to Glasgow

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

Cheapflights Insights

Everything you need to know about your flight from Ontario to Glasgow

What is the cheapest month to book a flight from Ontario to Glasgow?

Currently, November is the cheapest month in which you can book a flight from Ontario to Glasgow (average of $664). Flying from Ontario to Glasgow in June is currently the most expensive (average of $1,154). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from ONT to GLA?

Find hourly flight availability from Ontario to Glasgow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 16, 2025.

When flying from Ontario to Glasgow, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Reviews of airlines servicing Glasgow

Get insights into the airlines that provide service to Glasgow. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Glasgow. Reviews last updated August 16, 2025.
Read reviews from past customers who have flown British Airways from Ontario to Glasgow. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
British Airways
6.7
Okay
7,267 reviews

Overall

6.7

Crew

7.6

Comfort

6.7

Boarding

6.9

Entertainment

6.4

Food

6.3

Reviews

1 / 20
4.0
Okay

Anonymous,May 2025

LAX - LHR

Entertainment system did not work. Seems like Wi-Fi should have been comped at hat point. Boarding at Marco Polo in Venice was terrible. Insisted on gate checking our bag but not others! Connection was confused and flight was very late.
British Airways
6.7
Okay
7,267 reviews
British Airways
6.7
Okay
7,267 reviews

Overall

6.7

Crew

7.6

Comfort

6.7

Boarding

6.9

Entertainment

6.4

Food

6.3

Reviews

1 / 20
4.0
Okay

Anonymous,May 2025

LAX - LHR

Entertainment system did not work. Seems like Wi-Fi should have been comped at hat point. Boarding at Marco Polo in Venice was terrible. Insisted on gate checking our bag but not others! Connection was confused and flight was very late.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Glasgow. 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?

    If you book a flight to Glasgow from Ontario, you will be flying from Ontario, which is the city’s only airport. Ontario (ONT) is located 3.1 mi from the center of Ontario. There are 0 flights from Ontario to Glasgow per day from 2 different airlines.

  • What is the cheapest airline to fly from Ontario to Glasgow round-trip?

    Our cheapest airline available from Ontario to Glasgow is British Airways. Our recent data shows that you can find tickets from as low as $660 on this airline.

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

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

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

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

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

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

  • What is the cheapest month to book a flight from Ontario to Glasgow?

    Currently, November is the cheapest month in which you can book a flight from Ontario to Glasgow (average of $664). Flying from Ontario to Glasgow in June is currently the most expensive (average of $1,154). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Top 2 airlines flying from Ontario to Glasgow

Discover the top 2 airlines that operate flights from Ontario to Glasgow. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$543Average$1,305FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$660Average$900FlexibilityNo cancel feeOn-time70%

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