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Cheap flights from Ontario to Glasgow from $423

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Glasgow departing on 1/13. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Ontario to Glasgow

Cheap round-trip flights

Enter your travel dates to find the best prices.
British Airways Logo
6:46 am - 9:20 amONT-GLA
18h 34m2 stops
British Airways Logo
8:25 pm - 8:18 pmGLA-ONT
31h 53m2 stops
$835British Airways
Find Deal
Sat, Apr 4 - Fri, Apr 10
British Airways Logo
6:43 am - 9:20 amONT-GLA
18h 37m2 stops
British Airways Logo
8:25 pm - 5:46 pmGLA-ONT
29h 21m2 stops
$874British Airways
Find Deal
Sat, May 2 - Fri, May 8
Multiple Airlines Logo
10:57 am - 9:50 amONT-GLA
15h 53m2 stops
Multiple Airlines Logo
1:05 pm - 10:38 pmGLA-ONT
17h 33m2 stops
$944Multiple Airlines
Find Deal
Mon, Mar 23 - Wed, Apr 1
British Airways Logo
4:47 pm - 4:35 pmONT-GLA
15h 48m2 stops
British Airways Logo
10:20 am - 8:10 pmGLA-ONT
17h 50m2 stops
$947British Airways
Find Deal
Mon, Jan 5 - Sun, Jan 18
British Airways Logo
2:59 pm - 3:40 pmONT-GLA
16h 41m2 stops
British Airways Logo
11:30 am - 10:19 pmGLA-ONT
18h 49m2 stops
$953British Airways
Find Deal
Fri, Nov 28 - Thu, Dec 4
American Airlines Logo
3:09 pm - 3:10 pmONT-GLA
17h 01m2 stops
American Airlines Logo
9:15 am - 11:43 pmGLA-ONT
22h 28m2 stops
$965American Airlines
Find Deal
Fri, Mar 27 - Tue, Mar 31
American Airlines Logo
3:09 pm - 6:00 pmONT-GLA
19h 51m2 stops
American Airlines Logo
9:15 am - 10:02 pmGLA-ONT
20h 47m2 stops
$1,007American Airlines
Find Deal
Fri, Mar 27 - Tue, Mar 31
Iberia Logo
6:10 am - 9:35 amONT-GLA
43h 25m2 stops
Iberia Logo
8:25 pm - 10:19 pmGLA-ONT
33h 54m2 stops
$1,020Iberia
Find Deal
Thu, Nov 27 - Wed, Dec 3
Multiple Airlines Logo
12:49 pm - 1:05 pmONT-GLA
16h 16m2 stops
Multiple Airlines Logo
11:40 am - 10:28 pmGLA-ONT
18h 48m2 stops
$1,084Multiple Airlines
Find Deal
Tue, Nov 25 - Wed, Dec 3
British Airways Logo
12:49 pm - 1:15 pmONT-GLA
16h 26m2 stops
British Airways Logo
10:55 am - 8:03 pmGLA-ONT
17h 08m2 stops
$1,149British Airways
Find Deal
Sun, Nov 30 - Wed, Dec 10

British Airways flights from Ontario to Glasgow Intl Airport

Our best British Airways deals on Ontario to Glasgow Intl Airport flight tickets
British Airways
Apr 4
ONT6:46 amOntario
18h 34m
2 stops
GLA9:20 amGlasgow Intl
Apr 10
GLA8:25 pmGlasgow Intl
31h 53m
2 stops
ONT8:18 pmOntario
$835
Find similar
British Airways
May 2
ONT6:43 amOntario
18h 37m
2 stops
GLA9:20 amGlasgow Intl
May 8
GLA8:25 pmGlasgow Intl
29h 21m
2 stops
ONT5:46 pmOntario
$874
Find similar
British Airways
Jan 5
ONT4:47 pmOntario
15h 48m
2 stops
GLA4:35 pmGlasgow Intl
Jan 18
GLA10:20 amGlasgow Intl
17h 50m
2 stops
ONT8:10 pmOntario
$947
Find similar

American Airlines flights from Ontario to Glasgow Intl Airport

Our best American Airlines deals on Ontario to Glasgow Intl Airport flight tickets
American Airlines
Mar 27
ONT3:09 pmOntario
17h 01m
2 stops
GLA3:10 pmGlasgow Intl
Mar 31
GLA9:15 amGlasgow Intl
22h 28m
2 stops
ONT11:43 pmOntario
$965
Find similar
American Airlines
Mar 27
ONT3:09 pmOntario
19h 51m
2 stops
GLA6:00 pmGlasgow Intl
Mar 31
GLA9:15 amGlasgow Intl
20h 47m
2 stops
ONT10:02 pmOntario
$1,007
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Ontario to Glasgow Intl Airport 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, momondo users made 832,500 searches. Data last updated November 6, 2025.
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

OntarioGlasgow

ONT - GLA

ONTGLA

Ontario

Sat 4/4

6:46 am-9:20 am

2 stops18h 34m

Glasgow Intl

Fri 4/10

8:25 pm-8:18 pm

2 stops31h 53m

$835

OntarioGlasgow

ONT - GLA

ONTGLA

Ontario

Sat 5/2

6:43 am-9:20 am

2 stops18h 37m

Glasgow Intl

Fri 5/8

8:25 pm-5:46 pm

2 stops29h 21m

$874

OntarioGlasgow

ONT - GLA

ONTGLA

Ontario

Mon 3/23

10:57 am-9:50 am

2 stops15h 53m

Glasgow Intl

Wed 4/1

1:05 pm-10:38 pm

2 stops17h 33m

$944

OntarioGlasgow

ONT - GLA

ONTGLA

Ontario

Mon 1/5

4:47 pm-4:35 pm

2 stops15h 48m

Glasgow Intl

Sun 1/18

10:20 am-8:10 pm

2 stops17h 50m

$947

OntarioGlasgow

ONT - GLA

ONTGLA

Ontario

Fri 11/28

2:59 pm-3:40 pm

2 stops16h 41m

Glasgow Intl

Thu 12/4

11:30 am-10:19 pm

2 stops18h 49m

$953

OntarioGlasgow

ONT - GLA

ONTGLA

Ontario

Fri 3/27

3:09 pm-3:10 pm

2 stops17h 01m

Glasgow Intl

Tue 3/31

9:15 am-11:43 pm

2 stops22h 28m

$965

OntarioGlasgow

ONT - GLA

ONTGLA

Ontario

Fri 3/27

3:09 pm-6:00 pm

2 stops19h 51m

Glasgow Intl

Tue 3/31

9:15 am-10:02 pm

2 stops20h 47m

$1,007

OntarioGlasgow

ONT - GLA

ONTGLA

Ontario

Thu 11/27

6:10 am-9:35 am

2 stops43h 25m

Glasgow Intl

Wed 12/3

8:25 pm-10:19 pm

2 stops33h 54m

$1,020

OntarioGlasgow

ONT - GLA

ONTGLA

Ontario

Tue 11/25

12:49 pm-1:05 pm

2 stops16h 16m

Glasgow Intl

Wed 12/3

11:40 am-10:28 pm

2 stops18h 48m

$1,084

OntarioGlasgow

ONT - GLA

ONTGLA

Ontario

Sun 11/30

12:49 pm-1:15 pm

2 stops16h 26m

Glasgow Intl

Wed 12/10

10:55 am-8:03 pm

2 stops17h 08m

$1,149

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
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See travel insights to Glasgow from

How to get the cheapest flight ticket from Ontario to Glasgow Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Glasgow Intl Airport?

Our data shows that Tuesday is the least expensive day to fly to Glasgow Intl Airport. Tickets to fly out on this day can be as low as $802. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from Ontario to Glasgow Intl Airport for around $967.

What is the cheapest time of day to depart on your flight to Glasgow Intl Airport?

Our most recent data shows that the best time of day to fly to Glasgow Intl Airport is at noon. Flights from Ontario to Glasgow Intl Airport during this time can be as low as $824. Try not to purchase tickets in the morning because they tend to be around $1,038. Of course, these prices can vary depending on the time of year and what airport you fly to.

When to book flights from Ontario to Glasgow Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Ontario to Glasgow Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Ontario to Glasgow Intl Airport (ONT to GLA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ontario to Glasgow Intl Airport

Direct flights

None
There are no direct flights from Ontario to Glasgow Intl Airport. There are no popular flight routes from Ontario to Glasgow Intl Airport.
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  • How far is Ontario to Glasgow Intl by plane?

    Ontario and Glasgow Intl are 5089.6 mi apart from one another. Flights usually cover this in 14h 40m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Ontario Airport to Glasgow Intl Airport?

    Prices for flights from Ontario Airport to Glasgow Intl Airport were last updated today.

  • How many operators does momondo search for flights from Ontario Airport to Glasgow Intl Airport?

  • How old do you have to be to fly from Ontario Airport to Glasgow Intl Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Glasgow Intl Airport.

  • What documentation or ID do you need to fly to Glasgow Intl Airport?

    The necessary travel and health documents for your Glasgow Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Ontario to Glasgow Intl Airport?

Best airlines flying from Ontario to Glasgow Intl Airport

Compare and see reviews for airlines that fly from Ontario to Glasgow Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom $660Free CancellationRating
6.7
7,500 reviews
Search British Airways flights

Traveling to a place near Glasgow?

Book flights to Glasgow if you plan to visit one of these locations
Paisley
Dumbarton
Glencoe
Inveraray
Kinlochleven
Alexandria
Kilmarnock
Arrochar
Dunoon
Ballachulish
East Kilbride
Renfrew
Tarbert

Why use momondo?

Why should I use momondo to find a flight deal from Ontario to Glasgow?

Finding the right flight to Glasgow from Ontario is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Glasgow quick and easy, saving you time and money.

Can I find flights from Ontario to Glasgow with flexible booking policies on momondo?

momondo does allow users to show only those flights to Glasgow from Ontario which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Ontario to Glasgow?

Once all potential Ontario to Glasgow flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Ontario to Glasgow right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Ontario to Glasgow flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Glasgow Intl Airport trip

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