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Cheap flights from Ontario to Glasgow from $316

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 9/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Ontario to Glasgow

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
2:22 pm - 5:50 pm
ONT
-
GLA
19h 28m
2 stops
American Airlines Logo
7:00 am - 6:57 pm
GLA
-
ONT
19h 57m
2 stops
$882American Airlines
Wed, Sep 30 - Tue, Oct 6
British Airways Logo
12:55 pm - 4:40 pm
ONT
-
GLA
19h 45m
2 stops
British Airways Logo
9:55 am - 11:55 pm
GLA
-
ONT
22h 00m
2 stops
$883British Airways
Sun, Nov 29 - Thu, Dec 10
British Airways Logo
12:55 pm - 7:25 pm
ONT
-
GLA
22h 30m
2 stops
British Airways Logo
9:55 am - 10:00 pm
GLA
-
ONT
20h 05m
2 stops
$884British Airways
Sun, Nov 29 - Thu, Dec 10
United Airlines Logo
7:00 am - 10:10 am
ONT
-
GLA
19h 10m
2 stops
United Airlines Logo
2:00 pm - 10:49 pm
GLA
-
ONT
40h 49m
2 stops
$894United Airlines
Sun, Sep 20 - Wed, Sep 23
British Airways Logo
1:31 pm - 2:40 pm
ONT
-
GLA
17h 09m
2 stops
British Airways Logo
6:25 am - 6:57 pm
GLA
-
ONT
20h 32m
2 stops
$899British Airways
Sun, Oct 11 - Wed, Oct 21
British Airways Logo
1:05 pm - 6:45 pm
ONT
-
GLA
21h 40m
2 stops
British Airways Logo
3:40 pm - 6:57 pm
GLA
-
ONT
35h 17m
2 stops
$903British Airways
Wed, Sep 30 - Tue, Oct 6
British Airways Logo
10:00 am - 6:45 pm
ONT
-
GLA
24h 45m
2 stops
British Airways Logo
5:10 pm - 6:57 pm
GLA
-
ONT
33h 47m
2 stops
$926British Airways
Sun, Sep 6 - Tue, Oct 6
British Airways Logo
10:00 am - 7:35 pm
ONT
-
GLA
25h 35m
2 stops
British Airways Logo
8:35 am - 5:47 pm
GLA
-
ONT
41h 12m
2 stops
$933British Airways
Sun, Sep 6 - Tue, Oct 6
British Airways Logo
12:33 pm - 3:35 pm
ONT
-
GLA
19h 02m
2 stops
British Airways Logo
7:35 pm - 10:59 pm
GLA
-
ONT
35h 24m
2 stops
$937British Airways
Wed, Aug 12 - Mon, Aug 24
British Airways Logo
12:33 pm - 3:35 pm
ONT
-
GLA
19h 02m
2 stops
British Airways Logo
7:35 pm - 10:59 pm
GLA
-
ONT
35h 24m
2 stops
$938British Airways
Wed, Aug 12 - Mon, Aug 24

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British Airways flights from Ontario to Glasgow Intl Airport

Our best British Airways deals on Ontario to Glasgow Intl Airport flight tickets
British Airways
Nov 29
ONT12:55 pmOntario
19h 45m
2 stops
GLA4:40 pmGlasgow Intl
Dec 10
GLA9:55 amGlasgow Intl
22h 00m
2 stops
ONT11:55 pmOntario
$883
British Airways
Nov 29
ONT12:55 pmOntario
22h 30m
2 stops
GLA7:25 pmGlasgow Intl
Dec 10
GLA9:55 amGlasgow Intl
20h 05m
2 stops
ONT10:00 pmOntario
$884
British Airways
Oct 11
ONT1:31 pmOntario
17h 09m
2 stops
GLA2:40 pmGlasgow Intl
Oct 21
GLA6:25 amGlasgow Intl
20h 32m
2 stops
ONT6:57 pmOntario
$899

United Airlines flights from Ontario to Glasgow Intl Airport

Our best United Airlines deals on Ontario to Glasgow Intl Airport flight tickets
United Airlines
Sep 20
ONT7:00 amOntario
19h 10m
2 stops
GLA10:10 amGlasgow Intl
Sep 23
GLA2:00 pmGlasgow Intl
40h 49m
2 stops
ONT10:49 pmOntario
$894
United Airlines
Sep 20
ONT7:00 amOntario
19h 10m
2 stops
GLA10:10 amGlasgow Intl
Sep 23
GLA2:00 pmGlasgow Intl
40h 49m
2 stops
ONT10:49 pmOntario
$962
United Airlines
Oct 10
ONT8:03 amOntario
18h 07m
2 stops
GLA10:10 amGlasgow Intl
Oct 12
GLA2:00 pmGlasgow Intl
40h 49m
2 stops
ONT10:49 pmOntario
$995

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 June 18, 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 round-trip

OntarioGlasgow

ONT - GLA

ONTGLA

Ontario

Wed 9/30

2:22 pm-5:50 pm

2 stops19h 28m

Glasgow Intl

Tue 10/6

7:00 am-6:57 pm

2 stops19h 57m

$882

OntarioGlasgow

ONT - GLA

ONTGLA

Ontario

Sun 11/29

12:55 pm-4:40 pm

2 stops19h 45m

Glasgow Intl

Thu 12/10

9:55 am-11:55 pm

2 stops22h 00m

$883

OntarioGlasgow

ONT - GLA

ONTGLA

Ontario

Sun 11/29

12:55 pm-7:25 pm

2 stops22h 30m

Glasgow Intl

Thu 12/10

9:55 am-10:00 pm

2 stops20h 05m

$884

OntarioGlasgow

ONT - GLA

ONTGLA

Ontario

Sun 9/20

7:00 am-10:10 am

2 stops19h 10m

Glasgow Intl

Wed 9/23

2:00 pm-10:49 pm

2 stops40h 49m

$894
Quickest round-trip

OntarioGlasgow

ONT - GLA

ONTGLA

Ontario

Sun 10/11

1:31 pm-2:40 pm

2 stops17h 09m

Glasgow Intl

Wed 10/21

6:25 am-6:57 pm

2 stops20h 32m

$899

OntarioGlasgow

ONT - GLA

ONTGLA

Ontario

Wed 9/30

1:05 pm-6:45 pm

2 stops21h 40m

Glasgow Intl

Tue 10/6

3:40 pm-6:57 pm

2 stops35h 17m

$903

OntarioGlasgow

ONT - GLA

ONTGLA

Ontario

Sun 9/6

10:00 am-6:45 pm

2 stops24h 45m

Glasgow Intl

Tue 10/6

5:10 pm-6:57 pm

2 stops33h 47m

$926

OntarioGlasgow

ONT - GLA

ONTGLA

Ontario

Sun 9/6

10:00 am-7:35 pm

2 stops25h 35m

Glasgow Intl

Tue 10/6

8:35 am-5:47 pm

2 stops41h 12m

$933

OntarioGlasgow

ONT - GLA

ONTGLA

Ontario

Wed 8/12

12:33 pm-3:35 pm

2 stops19h 02m

Glasgow Intl

Mon 8/24

7:35 pm-10:59 pm

2 stops35h 24m

$937

OntarioGlasgow

ONT - GLA

ONTGLA

Ontario

Wed 8/12

12:33 pm-3:35 pm

2 stops19h 02m

Glasgow Intl

Mon 8/24

7:35 pm-10:59 pm

2 stops35h 24m

$938

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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 airline that flies from Ontario to Glasgow Intl?

Iberia and United Airlines are the most popular carriers operating from Ontario to Glasgow Intl

What airlines fly to Glasgow Intl Airport?

British Airways, American Airlines and Aer Lingus are the top three most popular airlines that fly to Glasgow Intl Airport from Ontario according to our data. British Airways is the first choice among our users, with 52% of people opting to fly with this airline when traveling to Glasgow Intl Airport. Keep in mind that there are 5 different airlines that fly to Glasgow Intl Airport on a routine basis, so you have a few additional options to choose from.

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

Fastest flight time

17h 09m

Direct flights

None
The fastest flight from Ontario to Glasgow Intl Airport takes 17h 09m
There are no direct flights from Ontario to Glasgow Intl Airport. There are no popular flight routes from Ontario to Glasgow Intl Airport.
Search flight deals

Frequently asked questions about flying from Ontario to Glasgow Intl Airport

  • 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 17h 09m, 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 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.

Traveling to a place near Glasgow?

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

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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