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Glasgow Intl

$515+ 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 8/17. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — GLA
ago. 2 — ago. 91
sáb. 8/2
sáb. 8/9
1 adult, Economy
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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 julio 28, 2025.

Round-trip from

$661
(oojo)

One-way from

$515
(KAYAK)

Popular in

June

Cheapest in

November

Average price

$1,172
From Ontario to Glasgow Intl
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One-way flight from Ontario to Glasgow Intl
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Highest demand for flights based on searches. 21% potential increase in price ($234 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($35 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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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 julio 28, 2025.

This oojo deal was found by Cheapflights users on 7/27. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 8/2610:50 amONT - GLA
2 stops17h 20mBritish Airways
mar. 9/28:25 pmGLA - ONT
2 stops29h 51mBritish Airways
Deal found 7/27$661
This Air France deal was found by Cheapflights users on 7/27. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/224:35 pmONT - GLA
2 stops15h 35mKLM
mar. 10/286:05 amGLA - ONT
2 stops18h 05mKLM
Deal found 7/27$773
This Icelandair deal was found by Cheapflights users on 7/28. 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.
lun. 12/110:34 amONT - GLA
2 stops15h 21mMultiple Airlines
jue. 12/412:35 pmGLA - ONT
2 stops17h 30mMultiple Airlines
Deal found 7/28$1,560

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 julio 28, 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

mar. 8/26

10:50 am-12:10 pm

2 stops17h 20m

Glasgow Intl

mar. 9/2

8:25 pm-6:16 pm

2 stops29h 51m

$661

OntarioGlasgow

ONT - GLA

ONTGLA

Ontario

mié. 10/22

4:35 pm-4:10 pm

2 stops15h 35m

Glasgow Intl

mar. 10/28

6:05 am-5:10 pm

2 stops18h 05m

$773

OntarioGlasgow

ONT - GLA

ONTGLA

Ontario

lun. 12/1

10:34 am-9:55 am

2 stops15h 21m

Glasgow Intl

jue. 12/4

12:35 pm-10:05 pm

2 stops17h 30m

$1,560

OntarioGlasgow

ONT - GLA

ONTGLA

Ontario

dom. 8/17

2:31 pm-7:50 pm

2 stops21h 19m

$515

OntarioGlasgow

ONT - GLA

ONTGLA

Ontario

mar. 9/30

7:02 am-12:20 pm

2 stops21h 18m

$535

OntarioGlasgow

ONT - GLA

ONTGLA

Ontario

jue. 9/18

1:15 pm-1:00 pm

2 stops15h 45m

$668

OntarioGlasgow

ONT - GLA

ONTGLA

Ontario

mié. 9/3

12:45 pm-2:15 pm

2 stops17h 30m

$1,176

OntarioGlasgow

ONT - GLA

ONTGLA

Ontario

mar. 11/25

2:59 pm-3:50 pm

2 stops16h 51m

$2,945

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

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, November is the cheapest month in which you can book a flight from Ontario to Glasgow Intl Airport (average of $664). Flying from Ontario to Glasgow Intl Airport in June is currently the most expensive (average of $1,153). 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 julio 28, 2025.
See what other customers who have flown with KLM, American Airlines, and Iberia 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.
KLM
7.8
Good
1,381 reviews

Entertainment

7.1

Boarding

7.8

Comfort

7.7

Overall

7.8

Food

7.3

Crew

8.4

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
KLM
7.8
Good
1,381 reviews
KLM
7.8
Good
1,381 reviews

Entertainment

7.1

Boarding

7.8

Comfort

7.7

Overall

7.8

Food

7.3

Crew

8.4

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
American Airlines
7.2
Good
10,000 reviews
KLM
7.8
Good
1,381 reviews

Entertainment

7.1

Boarding

7.8

Comfort

7.7

Overall

7.8

Food

7.3

Crew

8.4

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
Iberia
7.0
Good
2,858 reviews
KLM
7.8
Good
1,381 reviews

Entertainment

7.1

Boarding

7.8

Comfort

7.7

Overall

7.8

Food

7.3

Crew

8.4

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
British Airways
6.6
Okay
7,204 reviews
KLM
7.8
Good
1,381 reviews

Entertainment

7.1

Boarding

7.8

Comfort

7.7

Overall

7.8

Food

7.3

Crew

8.4

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

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.

  • What are the cheapest airlines flying 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 $661. Another option worth looking into is KLM, starting at $773 round trip.

  • What are the cheapest airlines to fly from Ontario to Glasgow Intl Airport one-way?

    The cheapest airline one-way is British Airways, with whom users have recently found tickets for as low as $515. However, be on the lookout for offers from KLM and Iberia, as they are both options that can get you from Ontario to Glasgow Intl Airport for a low price.

  • 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, November is the cheapest month in which you can book a flight from Ontario to Glasgow Intl Airport (average of $664). Flying from Ontario to Glasgow Intl Airport in June is currently the most expensive (average of $1,153). 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 julio 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$660Average$900FlexibilityNo cancel feeOn-time70%

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