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Glasgow Intl

$602+ Cheap flights from Ontario (ONT) to Glasgow Intl (GLA)

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 11/3. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — GLA
Nov 26 — Dec 31
Wed 11/26
Wed 12/3
1 adult, Economy
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Find flight deals from Ontario to Glasgow Intl

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 October 27, 2025.

This KLM deal was found by Cheapflights users on 10/25. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/177:05 amONT - GLA
2 stops17h 25mKLM
Thu 11/275:20 pmGLA - ONT
2 stops30h 49mKLM
Deal found 10/25$795
This FlightHub deal was found by Cheapflights users on 10/25. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/153:08 pmONT - GLA
2 stops23h 22mBritish Airways
Sat 11/2210:30 amGLA - ONT
2 stops19h 53mBritish Airways
Deal found 10/25$823
This KLM deal was found by Cheapflights users on 10/26. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/271:15 pmONT - GLA
2 stops16h 30mKLM
Tue 11/116:05 amGLA - ONT
2 stops19h 04mKLM
Deal found 10/26$1,052
This KLM deal was found by Cheapflights users on 10/25. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/271:15 pmONT - GLA
2 stops16h 30mKLM
Mon 11/106:05 amGLA - ONT
2 stops19h 04mKLM
Deal found 10/25$1,158
This KLM deal was found by Cheapflights users on 10/25. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/281:15 pmONT - GLA
2 stops16h 30mKLM
Wed 11/126:05 amGLA - ONT
2 stops19h 04mKLM
Deal found 10/25$1,187
This Cheapflightsfares deal was found by Cheapflights users on 10/27. 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.
Sun 11/164:47 pmONT - GLA
2 stops15h 53mMultiple Airlines
Fri 11/286:35 amGLA - ONT
2 stops17h 19mMultiple Airlines
Deal found 10/27$1,477
This Cheapflightsfares deal was found by Cheapflights users on 10/25. 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.
Fri 12/262:42 pmONT - GLA
2 stops16h 28mMultiple Airlines
Fri 1/211:40 amGLA - ONT
2 stops18h 34mMultiple Airlines
Deal found 10/25$2,947
This Icelandair deal was found by Cheapflights users on 10/26. 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.
Tue 11/1110:59 amONT - GLA
2 stops14h 56mMultiple Airlines
Mon 11/1712:35 pmGLA - ONT
2 stops17h 30mMultiple Airlines
Deal found 10/26$3,645
This Icelandair deal was found by Cheapflights users on 10/26. 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.
Mon 11/310:59 amONT - GLA
2 stops14h 56mMultiple Airlines
Wed 11/1212:35 pmGLA - ONT
2 stops17h 30mMultiple Airlines
Deal found 10/26$5,295
This Icelandair deal was found by Cheapflights users on 10/27. 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.
Sat 12/2010:25 amONT - GLA
2 stops15h 30mMultiple Airlines
Sat 12/2712:35 pmGLA - ONT
2 stops19h 30mMultiple Airlines
Deal found 10/27$5,663

Cheap 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 October 27, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
1 star

Round-trip from

$684
(American Airlines)

One-way from

$602
(Trip.com)

Popular in

June

Cheapest in

October

Average price

$649
Provider with most accurate pricing for Ontario-Glasgow Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Ontario-Glasgow Intl flights.
Search Deals
From Ontario to Glasgow Intl
Search Deals
One-way flight from Ontario to Glasgow Intl
Search Deals
Highest demand for flights based on searches. 21% potential increase in price ($227 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($37 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

Cheapflights Fare Finder

 
Customize 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 2,558,603 searches. Data last updated October 27, 2025.
Use the filters below to find and compare flights from Ontario to Glasgow Intl Airport that are best for you.

Fly from

Ontario

Fly to

Glasgow Intl

Route

Depart

Return

Price

OntarioGlasgow

ONT - GLA

ONTGLA

Ontario

Wed 4/8

1:33 pm-3:35 pm

2 stops18h 02m

Glasgow Intl

Wed 4/22

7:00 am-5:46 pm

2 stops18h 46m

$684

OntarioGlasgow

ONT - GLA

ONTGLA

Ontario

Mon 11/17

7:05 am-8:30 am

2 stops17h 25m

Glasgow Intl

Thu 11/27

5:20 pm-4:09 pm

2 stops30h 49m

$795

OntarioGlasgow

ONT - GLA

ONTGLA

Ontario

Sat 11/15

3:08 pm-10:30 pm

2 stops23h 22m

Glasgow Intl

Sat 11/22

10:30 am-10:23 pm

2 stops19h 53m

$823

OntarioGlasgow

ONT - GLA

ONTGLA

Ontario

Wed 4/8

3:10 pm-11:00 pm

2 stops23h 50m

Glasgow Intl

Wed 4/22

6:10 am-8:17 pm

3 stops22h 07m

$848

OntarioGlasgow

ONT - GLA

ONTGLA

Ontario

Fri 3/27

10:57 am-1:05 pm

2 stops19h 08m

Glasgow Intl

Tue 3/31

10:55 am-11:43 pm

2 stops20h 48m

$967

OntarioGlasgow

ONT - GLA

ONTGLA

Ontario

Fri 1/23

8:55 am-9:55 am

2 stops17h 00m

Glasgow Intl

Fri 1/30

12:35 pm-11:56 pm

2 stops19h 21m

$1,022

OntarioGlasgow

ONT - GLA

ONTGLA

Ontario

Sun 11/16

4:47 pm-4:40 pm

2 stops15h 53m

Glasgow Intl

Fri 11/28

6:35 am-3:54 pm

2 stops17h 19m

$1,477

OntarioGlasgow

ONT - GLA

ONTGLA

Ontario

Fri 12/26

2:42 pm-3:10 pm

2 stops16h 28m

Glasgow Intl

Fri 1/2

11:40 am-10:14 pm

2 stops18h 34m

$2,947

OntarioGlasgow

ONT - GLA

ONTGLA

Ontario

Tue 11/11

10:59 am-9:55 am

2 stops14h 56m

Glasgow Intl

Mon 11/17

12:35 pm-10:05 pm

2 stops17h 30m

$3,645

OntarioGlasgow

ONT - GLA

ONTGLA

Ontario

Wed 4/1

3:09 pm-5:50 pm

2 stops18h 41m

Glasgow Intl

Sun 4/12

8:25 pm-8:18 pm

2 stops31h 53m

$5,045

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/26

Showing 1-10 of 15 results
1
2
  • Most accurate provider: When it comes to deals on Ontario-Glasgow Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-Glasgow Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ontario-Glasgow Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Ontario-Glasgow Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ontario-Glasgow Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 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 Intl Airport

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

Currently, August is the cheapest month in which you can book a flight from Ontario to Glasgow Intl Airport (average of $561). Flying from Ontario to Glasgow Intl Airport in June is currently the most expensive (average of $982). 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.

Reviews of airlines servicing Glasgow Intl

Get insights into the airlines that provide service to Glasgow Intl. 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 Intl. Reviews last updated October 27, 2025.
See what other customers who have flown with British Airways from Ontario to Glasgow Intl Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
British Airways
6.7
Okay
7,481 reviews

Entertainment

6.4

Food

6.3

Comfort

6.7

Boarding

6.9

Overall

6.7

Crew

7.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

IAD - LHR

The plane had to load and unload passengers not through a jet way but out on the tarmac at Heathrow. The steps were steep. We weren't expecting to have to carry our luggage up and down stairs.
British Airways
6.7
Okay
7,481 reviews
British Airways
6.7
Okay
7,481 reviews

Entertainment

6.4

Food

6.3

Comfort

6.7

Boarding

6.9

Overall

6.7

Crew

7.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

IAD - LHR

The plane had to load and unload passengers not through a jet way but out on the tarmac at Heathrow. The steps were steep. We weren't expecting to have to carry our luggage up and down stairs.

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. 1 airline 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 American Airlines, KLM, or British Airways to get the fastest option. Airlines will cover a distance of 5088 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    Flying on British Airways is currently your cheapest option to Glasgow Intl Airport, with prices starting at $660.

  • 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 vacation 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.

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

    Currently, August is the cheapest month in which you can book a flight from Ontario to Glasgow Intl Airport (average of $561). Flying from Ontario to Glasgow Intl Airport in June is currently the most expensive (average of $982). 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.

See more FAQs

Traveling to a place near Glasgow Intl Airport?

Book flights to Glasgow Intl Airport if you plan to visit one of these locations
Paisley

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Top airline flying from Ontario to Glasgow Intl

Discover the top airline that operate flights from Ontario to Glasgow Intl. 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 October 27, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$660Average$900FlexibilityNo cancel feeOn-time70%

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