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Cheap flights from Ontario to Glasgow from $509

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 5/10. 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

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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
4:54 pm - 6:45 pm
ONT
-
GLA
17h 51m
2 stops
British Airways Logo
6:25 am - 9:28 pm
GLA
-
ONT
23h 03m
2 stops
$862British Airways
Wed, Aug 19 - Wed, Aug 26
British Airways Logo
4:59 pm - 6:40 pm
ONT
-
GLA
17h 41m
2 stops
British Airways Logo
7:55 am - 9:08 pm
GLA
-
ONT
21h 13m
2 stops
$894British Airways
Mon, Sep 14 - Tue, Sep 22
British Airways Logo
4:52 pm - 7:35 pm
ONT
-
GLA
18h 43m
2 stops
British Airways Logo
12:40 pm - 9:59 pm
GLA
-
ONT
17h 19m
2 stops
$916British Airways
Tue, Apr 21 - Thu, Apr 30
KLM Logo
7:00 am - 12:55 pm
ONT
-
GLA
21h 55m
2 stops
KLM Logo
4:55 pm - 4:17 pm
GLA
-
ONT
31h 22m
2 stops
$918KLM
Mon, May 4 - Mon, May 11
British Airways Logo
2:22 pm - 5:50 pm
ONT
-
GLA
19h 28m
2 stops
British Airways Logo
7:55 am - 9:08 pm
GLA
-
ONT
21h 13m
2 stops
$941British Airways
Wed, Aug 5 - Wed, Aug 12
British Airways Logo
4:59 pm - 6:40 pm
ONT
-
GLA
17h 41m
2 stops
British Airways Logo
7:55 am - 9:08 pm
GLA
-
ONT
21h 13m
2 stops
$942British Airways
Mon, Sep 14 - Tue, Sep 22
British Airways Logo
12:35 pm - 2:40 pm
ONT
-
GLA
18h 05m
2 stops
British Airways Logo
8:50 pm - 5:48 pm
GLA
-
ONT
28h 58m
2 stops
$968British Airways
Tue, Sep 8 - Thu, Sep 17
British Airways Logo
1:10 pm - 6:40 pm
ONT
-
GLA
21h 30m
2 stops
British Airways Logo
3:25 pm - 9:35 pm
GLA
-
ONT
37h 10m
2 stops
$977British Airways
Mon, Aug 3 - Mon, Oct 26
British Airways Logo
2:39 pm - 6:45 pm
ONT
-
GLA
20h 06m
2 stops
British Airways Logo
6:25 am - 4:22 pm
GLA
-
ONT
17h 57m
2 stops
$988British Airways
Wed, Apr 1 - Wed, Apr 8
British Airways Logo
10:59 am - 12:30 pm
ONT
-
GLA
17h 31m
2 stops
British Airways Logo
3:35 pm - 8:27 pm
GLA
-
ONT
36h 52m
2 stops
$989British Airways
Wed, Apr 8 - Mon, Apr 20

KLM flights from Ontario to Glasgow Intl Airport

Our best KLM deals on Ontario to Glasgow Intl Airport flight tickets
KLM
May 4
ONT7:00 amOntario
21h 55m
2 stops
GLA12:55 pmGlasgow Intl
May 11
GLA4:55 pmGlasgow Intl
31h 22m
2 stops
ONT4:17 pmOntario
$918
KLM
Mar 28
ONT10:25 pmOntario
30h 30m
2 stops
GLA12:55 pmGlasgow Intl
Apr 13
GLA4:55 pmGlasgow Intl
31h 30m
2 stops
ONT4:25 pmOntario
$1,181

British Airways flights from Ontario to Glasgow Intl Airport

Our best British Airways deals on Ontario to Glasgow Intl Airport flight tickets
British Airways
Aug 19
ONT4:54 pmOntario
17h 51m
2 stops
GLA6:45 pmGlasgow Intl
Aug 26
GLA6:25 amGlasgow Intl
23h 03m
2 stops
ONT9:28 pmOntario
$862
British Airways
Sep 14
ONT4:59 pmOntario
17h 41m
2 stops
GLA6:40 pmGlasgow Intl
Sep 22
GLA7:55 amGlasgow Intl
21h 13m
2 stops
ONT9:08 pmOntario
$894
British Airways
Apr 21
ONT4:52 pmOntario
18h 43m
2 stops
GLA7:35 pmGlasgow Intl
Apr 30
GLA12:40 pmGlasgow Intl
17h 19m
2 stops
ONT9:59 pmOntario
$916

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 March 21, 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 8/19

4:54 pm-6:45 pm

2 stops17h 51m

Glasgow Intl

Wed 8/26

6:25 am-9:28 pm

2 stops23h 03m

$862

OntarioGlasgow

ONT - GLA

ONTGLA

Ontario

Mon 9/14

4:59 pm-6:40 pm

2 stops17h 41m

Glasgow Intl

Tue 9/22

7:55 am-9:08 pm

2 stops21h 13m

$894
Quickest round-trip

OntarioGlasgow

ONT - GLA

ONTGLA

Ontario

Tue 4/21

4:52 pm-7:35 pm

2 stops18h 43m

Glasgow Intl

Thu 4/30

12:40 pm-9:59 pm

2 stops17h 19m

$916

OntarioGlasgow

ONT - GLA

ONTGLA

Ontario

Mon 5/4

7:00 am-12:55 pm

2 stops21h 55m

Glasgow Intl

Mon 5/11

4:55 pm-4:17 pm

2 stops31h 22m

$918

OntarioGlasgow

ONT - GLA

ONTGLA

Ontario

Wed 8/5

2:22 pm-5:50 pm

2 stops19h 28m

Glasgow Intl

Wed 8/12

7:55 am-9:08 pm

2 stops21h 13m

$941

OntarioGlasgow

ONT - GLA

ONTGLA

Ontario

Mon 9/14

4:59 pm-6:40 pm

2 stops17h 41m

Glasgow Intl

Tue 9/22

7:55 am-9:08 pm

2 stops21h 13m

$942

OntarioGlasgow

ONT - GLA

ONTGLA

Ontario

Tue 9/8

12:35 pm-2:40 pm

2 stops18h 05m

Glasgow Intl

Thu 9/17

8:50 pm-5:48 pm

2 stops28h 58m

$968

OntarioGlasgow

ONT - GLA

ONTGLA

Ontario

Mon 8/3

1:10 pm-6:40 pm

2 stops21h 30m

Glasgow Intl

Mon 10/26

3:25 pm-9:35 pm

2 stops37h 10m

$977

OntarioGlasgow

ONT - GLA

ONTGLA

Ontario

Wed 4/1

2:39 pm-6:45 pm

2 stops20h 06m

Glasgow Intl

Wed 4/8

6:25 am-4:22 pm

2 stops17h 57m

$988

OntarioGlasgow

ONT - GLA

ONTGLA

Ontario

Wed 4/8

10:59 am-12:30 pm

2 stops17h 31m

Glasgow Intl

Mon 4/20

3:35 pm-8:27 pm

2 stops36h 52m

$989

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?

United Airlines, British Airways, and Iberia 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 64% 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 41m

Direct flights

None
The fastest flight from Ontario to Glasgow Intl Airport takes 17h 41m
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

  • 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 41m, 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
Paisley
Dumbarton
Helensburgh
Inveraray
Alexandria
Glencoe
Kilmarnock
Dunoon
East Kilbride
Ballachulish
Kinlochleven
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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