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ONT - GLA

$666 Find cheap flights from Ontario to Glasgow

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Ontario to Glasgow Intl departing on 9/21. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
0 bags
Wed 6/5
Wed 6/12

Search hundreds of travel sites at once for deals on flights to Glasgow

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Ontario to Glasgow, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Ontario to Glasgow, as well as popular online travel agencies
In the last 7 days travelers have searched 42,573,820 times on KAYAK, and here is why:

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Cheap flight deals from Ontario to Glasgow Intl (ONT-GLA)

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Ontario to Glasgow Intl that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices and deals for you by selecting your travel dates.
Choose your dates
12:40 pm - 2:40 pmONT-GLA
18h 00m2 stops
7:05 am - 5:33 pmGLA-ONT
18h 28m2 stops
$733British Airways
Find Deal
Tue, Oct 1 - Thu, Oct 10
10:54 am - 11:55 amONT-GLA
17h 01m2 stops
8:40 am - 9:43 pmGLA-ONT
20h 03m2 stops
$864British Airways
Find Deal
Mon, Jun 24 - Wed, Oct 30
12:40 pm - 2:40 pmONT-GLA
18h 00m2 stops
7:05 am - 6:17 pmGLA-ONT
19h 12m2 stops
$950American Airlines
Find Deal
Mon, Sep 23 - Mon, Sep 30
5:00 pm - 4:05 pmONT-GLA
15h 05m2 stops
1:35 pm - 10:35 pmGLA-ONT
17h 00m2 stops
$1,074KLM
Find Deal
Wed, Aug 7 - Wed, Aug 28
5:00 pm - 4:05 pmONT-GLA
15h 05m2 stops
6:10 am - 4:17 pmGLA-ONT
18h 07m2 stops
$1,816KLM
Find Deal
Wed, Jul 17 - Tue, Jul 23
1:30 pm - 11:05 pmONT-GLA
25h 35m2 stops
6:10 am - 5:53 pmGLA-ONT
19h 43m2 stops
$1,954
Find Deal
Fri, Jul 12 - Sat, Jul 20
7:00 am - 8:30 amONT-GLA
17h 30m2 stops
1:35 pm - 11:43 pmGLA-ONT
18h 08m2 stops
$1,970Delta
Find Deal
Mon, Jul 15 - Fri, Jul 19
1:30 pm - 11:05 pmONT-GLA
25h 35m2 stops
6:10 am - 5:53 pmGLA-ONT
19h 43m2 stops
$2,249
Find Deal
Fri, Jul 12 - Sun, Jul 21
10:54 am - 12:05 pmONT-GLA
17h 11m2 stops
8:20 am - 6:50 pmGLA-ONT
18h 30m2 stops
$2,850American Airlines
Find Deal
Sun, Jun 23 - Sun, Jul 7
7:00 am - 8:30 amONT-GLA
17h 30m2 stops
6:10 am - 4:17 pmGLA-ONT
18h 07m2 stops
$4,587Delta
Find Deal
Tue, Jul 16 - Sat, Jul 20

Flights from Ontario to Glasgow Intl - Travel Insights & Trends

Get data-powered insights and trends into flights from Ontario to Glasgow Intl to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest month to fly from Ontario to Glasgow Intl Airport?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights from Ontario to Glasgow Intl Airport, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.
The cheapest month for flights from Ontario to Glasgow Intl Airport is October, where tickets cost $668 on average. On the other hand, the most expensive months are June and July, where the average cost of tickets is $1,233 and $1,132 respectively.

How far in advance should I book a flight from Ontario to Glasgow Intl Airport?

To calculate daily average prices, KAYAK takes all prices for each day before departure over the last year for flights from Ontario to Glasgow Intl Airport, removes the top 0.1% to account for outliers, and then takes the average of all the values for each month.
To get a below average price on the flight from Ontario to Glasgow Intl Airport, you should book around 1 week before departure. For the absolute cheapest price, our data suggests you should book 77 days before departure.

Which airlines provide the cheapest flights from Ontario to Glasgow?

The cheapest price for the route for each airline clicked by KAYAK users in the last 72 hours.
In the past 3 days, the cheapest one-way tickets to Glasgow from Ontario were found on American Airlines ($666) and Delta ($811), and the lowest round-trip tickets were found on British Airways ($733) and American Airlines ($950).

Good to know

Cheapest flight

$666
Flight from Ontario to Glasgow

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
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking Ontario to Glasgow flights

  • What is the cheapest flight from Ontario to Glasgow Intl Airport?

    In the last 3 days, the lowest price for a flight from Ontario to Glasgow Intl Airport was $666 for a one-way ticket and $733 for a round-trip.

  • Do I need a passport to fly between Ontario and Glasgow?

    Yes

  • Which aircraft models fly most regularly from Ontario to Glasgow?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Ontario to Glasgow?

    oneworld, and SkyTeam are the airline alliances operating flights between Ontario and Glasgow, with oneworld being the most commonly used for this route.

  • Which is the best airline for flights from Ontario to Glasgow, American Airlines or British Airways?

    The two airlines most popular with KAYAK users for flights from Ontario to Glasgow are American Airlines and British Airways. With an average price for the route of $1,155 and an overall rating of 7.3, American Airlines is the most popular choice. British Airways is also a great choice for the route, with an average price of $882 and an overall rating of 6.8.

  • How does KAYAK find such low prices on flights from Ontario to Glasgow?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Ontario to Glasgow.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Ontario to Glasgow?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Glasgow from Ontario is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Ontario to Glasgow?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Glasgow with an airline and back to Ontario with another airline. Booking your flights between Ontario and GLA can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Ontario to Glasgow?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Glasgow from Ontario up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Top airlines flying from Ontario to Glasgow Intl

 
See real verified KAYAK customer reviews for airlines flying from Ontario to Glasgow. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Ontario to Glasgow Intl? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.3
American AirlinesOverall score based on 14697 reviews
7.2Comfort
6.6Food
7.1Entertainment
7.6Boarding
8.0Crew
Airline reviews

Horrible - they lied to me about baggage & boarding, even though I specifically spoke to their agents the day before my flight about my issue. When I showed up they did not let me board and stranded me at my airport until I bought a new flight with money I did not have to spend.

2.0 MediocreBrooke, May 2024SAN - DFW
Read more about American Airlines reviews

Horrible - they lied to me about baggage & boarding, even though I specifically spoke to their agents the day before my flight about my issue. When I showed up they did not let me board and stranded me at my airport until I bought a new flight with money I did not have to spend.

Not sure why JAL partnered with American Airlines because their service is no where near similar. Flight attendants were not friendly and didn’t smile. Food was horrible…

The experience was great and much better than the flight going out. of course I was in first class but the service was excellent

Comfort of seats, ease of boarding. Food selection could be better

Food options were limited which is absolutely embarrassing for a Flight of this size The staff did not come around as much and I am not accustomed to such poor service from American Airlines Drinks I believe were limited to soda and water

Crew were attentive and friendly. Flight was smooth and early! I enjoyed the less crowded plane. Thank you!

We are gluten free, there were not any available complimentary gluten free options.

No meal on a cross country flight? SFO-MiA is pretty much the definition of a coast to coast flight. No meal provided. Sky high wi-fi rates too. Stop nickel and diming your customers.

The staff was unprofessional and didn’t communicate very well. The boarding process was very disheveled, potentially due to a power outage the previous day but there was no contingency plan to properly get passengers boarded the following day. Once boarded the aircraft stayed on the tarmac for over 45 minutes due to high winds. The communication was sporadic but an announcement was finally made an additional 30 minutes later that the flight was cancelled but we couldn’t get off the plane. Prior to deplaning one of the gate agents came on the plane and made an announcement for everyone to pickup their checked bags and take a card to rebook a new reservation because they didn’t have adequate staff. Flights were missed, passengers went to different airports and there was little to no assistance from AA.

You cancelled my flight by email then made it very difficult to get in contact with you. Then put me in a flight with a long layover in Mexico returning to the wrong airport in uk. Mind blowing my stressful. I missed see my grand dad because of you.

We missed the flight to Barcelona because the flight from Baltimore was delayed. We flew on Vueling VW6653. Our luggage didn’t arrive. Please help us get our luggage. We are staying at Hotel Gran Via in Barcelona

The seats were tiny, being of a fairly petite build, I don’t usually expect to feel crammed and cramped in a seat, but I definitely was on this flight. I couldn’t even bend over to get anything out from under the seat in front and getting up to go to the bathroom at night with the seat backs reclined was nearly impossible. I had to do gymnastics to get over and out. For an airline that does long flights overnight, it’s kind of ridiculous.

In economy and food was ok, but with limited leg space (and I was in a 2 seat configuration) it was difficult to eat with a tiny seat tray. I spilt wine on my trousers. First time on British Air (I usually fly Turkish Air) and in a 777. Heathrow was pleasant but changing terminals awkward.

Starting with the flight Cairo to London the plain was so poor no entertainment at all uncomfortable seats although it’s 5 hours long,then an American airline plain took me from London to Miami it was a bad experience the crew most of flight time not available and they asked us to help our selves for any snacks if we need. From Miami to London actually was perfect flight with a huge plain and perfect crew but from London to Cairo was horrible plain with stiff fixed seats not movable no entertainment or wi fi very poor Menu which is unacceptable for a business class

I've done hundreds of flights in my life, and this flight was one of the best I've ever taken, From beginning to end, everything went smoothly, professionally, and with a smile and friendly attitude from all employees I interacted with. The food was delicious (and free), as were the drinks. There was just a genial and effective way in the way that British Airways organized the flight -that reminded of days in the 70's, 80's, and 90's, when flying was a fun, and exciting adventure. I enjoyed and had confidence in the abilities of the flight crew, I'll be flying British Airways several more times this summer. Thank you so much for the great experience! Cheryl Olso

Terrible! I missed my flight to my final destination and British airlines and American Airlines keep pointing fingers on each other’s. Nobody wants to take responsibility

Overall, terrific service, accommodations, and experience. Only reason comfort was rated lower was because it was difficult to keep a comfortable sleeping position for the overnight flight, but I also had an economy seat.

Very cramped seats in economy, difficult to get comfortable with your legs and feet and back. The seat width is ok but I’m average size. Food is HORRIBLE. Crew is friendly. Delays and very tight connections made it tough for navigating. We would have missed our connecting flight if it wasn’t delayed too. The terminal transit was slow and normally every 10 minutes before 8pm, after 8 pm is every 30 minutes!!!!! No free wine or drinks!! Below average attitude.

Leg room was better than expected. Lavatory’s were easy to access.crew was grea!

Check in process was unfamiliar. While receiving assistance the employees supervisor berated him for not walking the area. Lucky for us, he ignored her and helped us check in. Did not know about the baggage fees with economy basic and spent 450 GBP (nearly$600) just on bags for a total of less than 2 hours flying time (50 minutes one way) on a round trip lasting less than 3 days. Customers check their own bags at kiosk and place on conveyor themselves. No reason for such an high cost of checking bags when customers do half the work. Some destinations it’s unavoidable, but will definitely seek other airlines before British Airways for future travel. Astronomically high price for bags. Our first experience flying British Airways and very, very disappointed. Completely overpriced for the services we received.

Book cheap flights from Ontario to Glasgow

Recent one-way flight deals

 
Only flying one-way? Below are some of the best one-way flight deals from Ontario to Glasgow found on KAYAK in the last 72 hours.
9/21Sat
2 stopsAmerican Airlines
18h 48mONT-GLA
$666
7/2Tue
2 stopsDelta
17h 25mONT-GLA
$811
6/13Thu
2 stopsAmerican Airlines
19h 45mONT-GLA
$871
10/27Sun
2 stopsKLM
20h 50mONT-GLA
$931
7/24Wed
2 stopsAmerican Airlines
18h 53mONT-GLA
$1,502

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Ontario - Glasgow Flights

Departure:

Ontario (ONT)United States

Destination:

Glasgow (GLA)United Kingdom

Cabin classes: