ONT - GLA

$526 Find Cheap Flights from Ontario to Glasgow - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$916
Typical prices: $986-$1,404
British Airways
Thu 4/5Fri 4/20
ONT - GLA • 2 stops
Cheapest one-way
$526
Typical prices: $329-$329
British Airways
Thu 11/15
ONT - GLA • 2 stops
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Booking Insights
Flight Deals

Cheap Flights from Ontario to Glasgow Intl (ONT-GLA)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Ontario to Glasgow Intl

Mon, Apr 5 - Tue, Apr 20
British Airways Logo
4:25 pm - 4:10 pmONT  Ontario-GLA Glasgow Intl
15h 45m2 stops Phoenix Sky Harbor Intl London Heathrow
British Airways Logo
10:55 am - 10:35 pmGLA  Glasgow Intl-ONT Ontario
19h 40m2 stops London Heathrow Dallas/Fort Worth
$916British Airways
Tue, Dec 1 - Tue, Dec 8
Virgin Atlantic Logo
7:05 am - 12:45 pmONT  Ontario-GLA Glasgow Intl
21h 40m2 stops Atlanta Hartsfield-Jackson Amsterdam Schiphol
Virgin Atlantic Logo
5:15 pm - 10:59 pmGLA  Glasgow Intl-ONT Ontario
37h 44m2 stops Amsterdam Schiphol Seattle/Tacoma Intl
$941Virgin Atlantic
Tue, Dec 1 - Tue, Dec 8
Multiple Airlines Logo
2:09 pm - 3:50 pmONT  Ontario-GLA Glasgow Intl
17h 41m2 stops Dallas/Fort Worth London Heathrow
Multiple Airlines Logo
9:50 am - 10:58 pmGLA  Glasgow Intl-ONT Ontario
21h 08m2 stops London Heathrow Dallas/Fort Worth
$966Multiple Airlines
Mon, Feb 1 - Wed, Mar 10
British Airways Logo
2:23 pm - 4:25 pmONT  Ontario-GLA Glasgow Intl
18h 02m2 stops Dallas/Fort Worth London Heathrow
British Airways Logo
10:55 am - 10:13 pmGLA  Glasgow Intl-ONT Ontario
19h 18m2 stops London Heathrow Phoenix Sky Harbor Intl
$972British Airways
Fri, Nov 27 - Fri, Dec 4
American Airlines Logo
2:09 pm - 6:00 pmONT  Ontario-GLA Glasgow Intl
19h 51m2 stops Dallas/Fort Worth London Heathrow
American Airlines Logo
9:20 am - 11:48 pmGLA  Glasgow Intl-ONT Ontario
22h 28m2 stops London Heathrow Dallas/Fort Worth
$1,016American Airlines
Fri, Apr 2 - Sun, Apr 11
British Airways Logo
12:49 pm - 2:10 pmONT  Ontario-GLA Glasgow Intl
17h 21m2 stops Dallas/Fort Worth London Heathrow
British Airways Logo
12:15 pm - 9:59 pmGLA  Glasgow Intl-ONT Ontario
17h 44m2 stops London Heathrow Phoenix Sky Harbor Intl
$1,026British Airways
Fri, Nov 27 - Fri, Dec 4
Multiple Airlines Logo
6:45 am - 3:25 pmONT  Ontario-GLA Glasgow Intl
24h 40m3 stops Denver Intl Reykjavik Keflavik Intl Dublin
Multiple Airlines Logo
2:00 pm - 11:23 pmGLA  Glasgow Intl-ONT Ontario
41h 23m3 stops Dublin Lisbon Humberto Delgado San Francisco
$1,076Multiple Airlines
Tue, Dec 15 - Wed, Dec 23
Iberia Logo
6:00 am - 3:50 pmONT  Ontario-GLA Glasgow Intl
25h 50m2 stops Dallas/Fort Worth London Heathrow
Iberia Logo
7:15 pm - 10:22 pmGLA  Glasgow Intl-ONT Ontario
35h 07m2 stops London Heathrow Dallas/Fort Worth
$1,109Iberia
Mon, Dec 7 - Wed, Dec 23
Multiple Airlines Logo
6:00 am - 7:05 pmONT  Ontario-GLA Glasgow Intl
29h 05m3 stops Denver Intl Reykjavik Keflavik Intl Dublin
Multiple Airlines Logo
9:55 am - 8:05 amGLA  Glasgow Intl-ONT Ontario
30h 10m3 stops Dublin San Francisco Las Vegas Harry Reid Intl
$1,110Multiple Airlines
Mon, Dec 7 - Wed, Dec 23
Multiple Airlines Logo
6:00 am - 9:55 amONT  Ontario-GLA Glasgow Intl
19h 55m2 stops Denver Intl Reykjavik Keflavik Intl
Multiple Airlines Logo
9:55 am - 8:05 amGLA  Glasgow Intl-ONT Ontario
30h 10m3 stops Dublin San Francisco Las Vegas Harry Reid Intl
$1,111Multiple Airlines
Booking Insights

Price, demand and travel trends for Ontario to Glasgow Intl Airport flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

How much is a round-trip flight from Ontario to Glasgow Intl Airport?

Round-trip flights from Ontario to Glasgow Intl Airport typically range from $986 to $1,404. The lowest price found in the past 5 days was $916, on British Airways.

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Key details for Ontario to Glasgow Intl Airport flights

Cheapest flight

$526
One-way flight from Ontario to Glasgow Intl Airport

When to book flights from Ontario to Glasgow Intl

Are your dates flexible? Find out the best times to travel from Ontario to Glasgow Intl based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Ontario to Glasgow Intl Airport flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What cabin classes can I book on flights from Ontario to Glasgow Intl Airport?

    Only Economy Class is available on flights from Ontario to Glasgow Intl Airport.

  • Do I need a passport to fly from Ontario to Glasgow Intl Airport?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How are flight prices from Ontario to Glasgow Intl Airport looking right now?

    One-way fares from Ontario to Glasgow Intl Airport are currently higher than usual. Average one-way flight prices are about $1,011, which is 207% above the typical average for this route.

  • What car rental options are available at Glasgow Intl Airport (GLA)?

    Glasgow Intl Airport (GLA) hosts 5 major car rental companies, with daily rates averaging $43 for economy cars. Top options include:

    • DRIVALIA
    • GREEN MOTION
    • Alamo
    • Europcar
    • Budget

  • Which airports can I use when flying from Ontario to Glasgow Intl Airport?

    Flights from Ontario to Glasgow Intl Airport usually depart from Ontario (ONT) and arrive at Glasgow Intl (GLA).

  • Can I save money by using flexible dates for flights from Ontario to Glasgow Intl Airport?

    Yes. Flexible dates can save you up to 32% on flights from Ontario to Glasgow Intl Airport. Thursday is the cheapest departure day at $1,002 round-trip on average, while Sunday is the most expensive at $1,471, a difference of $469.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What is the time difference between Ontario and Glasgow Intl Airport?

    Glasgow Intl Airport is 8 hours ahead of Ontario (British Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in Glasgow Intl Airport?

    Some of the most popular sights in Glasgow Intl Airport are OVO Hydro, Glasgow West End and University of Glasgow. These are among the most viewed places in Glasgow Intl Airport on KAYAK.

Your guide to booking Ontario to Glasgow Intl Airport flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Thursday departure and avoid flying on Sunday. On this route, Thursday flights average $1,002, about $469 less than Sunday fares (32% savings) based on the last 12 months.
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Glasgow Intl Airport.

    • Holiday Inn Glasgow Airport By IHG
    • Holiday Inn Express Glasgow Airport by IHG

More options for your flight from Ontario to Glasgow Intl

Complete your trip to Glasgow with a hotel stay or car rental

Car rentals in Glasgow
Hotels in Glasgow
Vacations in Glasgow