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Cheap flights from Ottawa to Glasgow Intl Airport from £214

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/9. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — GLA
4 Aug — 11 Aug1
1 adult

Cheapflights Tip: The best prices from Ottawa to Glasgow Intl are usually found in September or June, booked 87 days in advance, depart on a Monday or Tuesday and return on a Sunday

Cheap flight deals from Ottawa to Glasgow Intl

Discover tips and strategies to find the most affordable flight options for your journey from Ottawa (YOW) to Glasgow Intl (GLA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 30 July 2025.

Round-trip from

£489

One-way from

£214

Popular in

December

Cheapest in

September

Average price

£613
Porter Airlines
  • Porter Airlines
  • 25/8-8/9
  • 2 total stops
  • 32h 36m total
  • Ottawa to Glasgow
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12/9
  • 12/9
  • 2 total stops
  • 45h 10m total
  • Ottawa to Glasgow
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£64 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease (£15 potential savings vs. average return price).
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Average for round-trip flights in July 2025
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Find flight deals from Ottawa to Glasgow Intl

Cheapest flights from Ottawa to Glasgow Intl
Explore the most affordable flight options available from Ottawa to Glasgow Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 July 2025.

Mon 25/807:00YOW - GLA
1 stop18h 50mPorter Airlines
Mon 8/908:35GLA - YOW
1 stop13h 46mPorter Airlines
Deal found 29/7£489
Mon 25/805:55YOW - GLA
2 stops28h 30mMultiple Airlines
Mon 8/908:35GLA - YOW
1 stop20h 47mMultiple Airlines
Deal found 29/7£534
Thu 9/1010:00YOW - GLA
2 stops17h 25mAer Lingus
Mon 13/1017:40GLA - YOW
2 stops32h 29mAer Lingus
Deal found 26/7£617
Fri 12/917:05YOW - GLA
1 stop8h 45mAir Transat
Sat 20/908:35GLA - YOW
1 stop20h 46mAir Transat
Deal found 27/7£620
Tue 23/1217:20YOW - GLA
2 stops18h 15mKLM
Tue 30/1206:05GLA - YOW
2 stops14h 05mKLM
Deal found 28/7£747

Cheapflights Fare Finder

 
Customise your flight search to find flights from Ottawa to Glasgow Intl 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, Cheapflights users made 858,174 searches. Data last updated 30 July 2025.
Use the filters below to find and compare flights from Ottawa to Glasgow Intl Airport that are best for you.

Fly from

Ottawa

Fly to

Glasgow Intl

Route

Depart

Return

Price

OttawaGlasgow

YOW - GLA

YOWGLA

Ottawa

Mon 25/8

07:00-06:50

1 stop18h 50m

Glasgow Intl

Mon 8/9

08:35-17:21

1 stop13h 46m

£489

OttawaGlasgow

YOW - GLA

YOWGLA

Ottawa

Mon 25/8

05:55-15:25

2 stops28h 30m

Glasgow Intl

Mon 8/9

08:35-00:22

1 stop20h 47m

£534

OttawaGlasgow

YOW - GLA

YOWGLA

Ottawa

Thu 9/10

10:00-08:25

2 stops17h 25m

Glasgow Intl

Mon 13/10

17:40-21:09

2 stops32h 29m

£617

OttawaGlasgow

YOW - GLA

YOWGLA

Ottawa

Fri 12/9

17:05-06:50

1 stop8h 45m

Glasgow Intl

Sat 20/9

08:35-00:21

1 stop20h 46m

£620

OttawaGlasgow

YOW - GLA

YOWGLA

Ottawa

Tue 23/12

17:20-16:35

2 stops18h 15m

Glasgow Intl

Tue 30/12

06:05-15:10

2 stops14h 05m

£747

OttawaGlasgow

YOW - GLA

YOWGLA

Ottawa

Fri 12/9

05:55-08:05

2 stops45h 10m

£214

OttawaGlasgow

YOW - GLA

YOWGLA

Ottawa

Thu 7/8

14:20-06:50

1 stop11h 30m

£271

OttawaGlasgow

YOW - GLA

YOWGLA

Ottawa

Fri 12/9

08:35-06:50

1 stop17h 15m

£305

OttawaGlasgow

YOW - GLA

YOWGLA

Ottawa

Fri 12/9

08:35-09:20

2 stops19h 45m

£475

Flights are sorted by cheapest return flights first.

Deals found on 29/7

Best time to book a flight from Ottawa to Glasgow Intl

Have a flexible travel schedule? Discover the best time to fly to Glasgow Intl from Ottawa with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Ottawa to Glasgow Intl Airport

How far ahead should I book a flight from Ottawa to Glasgow Intl Airport?

Use this chart to determine the optimal time to book a return flight from Ottawa to Glasgow Intl. Price data was last updated on 25 July 2025.

The price you pay for your flight from Ottawa to Glasgow Intl Airport may vary depending on when you book. For the best chance of a lower fare, look to book 87 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Ottawa to Glasgow Intl Airport?

Currently, April is the cheapest month in which you can book a flight from Ottawa to Glasgow Intl Airport (average of £97). Flying from Ottawa to Glasgow Intl Airport in July is currently the most expensive (average of £119). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Glasgow Intl

Get insights into the airlines that provide service to Glasgow Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Glasgow Intl. Reviews last updated 30 July 2025.
Get a feel of what it's like to fly with Porter Airlines, KLM, andAir Transat from Ottawa to Glasgow Intl Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
8.0
Very Good
318 reviews
Check prices

Overall

8.0

Food

7.6

Entertainment

7.0

Boarding

8.2

Crew

8.7

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
Porter Airlines
8.0
Very Good
318 reviews
Porter Airlines
8.0
Very Good
318 reviews
Check prices

Overall

8.0

Food

7.6

Entertainment

7.0

Boarding

8.2

Crew

8.7

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
KLM
7.8
Good
1,383 reviews
Porter Airlines
8.0
Very Good
318 reviews
Check prices

Overall

8.0

Food

7.6

Entertainment

7.0

Boarding

8.2

Crew

8.7

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
Air Transat
7.7
Good
424 reviews
Porter Airlines
8.0
Very Good
318 reviews
Check prices

Overall

8.0

Food

7.6

Entertainment

7.0

Boarding

8.2

Crew

8.7

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
Aer Lingus
7.1
Good
1,190 reviews
Porter Airlines
8.0
Very Good
318 reviews
Check prices

Overall

8.0

Food

7.6

Entertainment

7.0

Boarding

8.2

Crew

8.7

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience

Related info for your journey

Find useful and relevant information for your journey from Ottawa to Glasgow Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Ottawa to Glasgow Intl?

    Ottawa (YOW) is the airport you will fly out of if you book a flight from Ottawa to Glasgow Intl. You should not have trouble finding flights to Glasgow Intl from Ottawa; the airport handles an average of 0 outbound flights to Glasgow Intl per day. You should also have plenty of airline options to choose from since 0 airlines have flights from the Ottawa airport to Glasgow Intl. It is only a 6.6 mi journey to Ottawa (YOW) from Ottawa’s city center.

  • What are the cheapest airlines flying from Ottawa to Glasgow Intl Airport round-trip?

    According to our current data, Porter Airlines (£489), Aer Lingus (£617), and Air Transat (£620) offers the cheapest pricing from Ottawa to Glasgow Intl Airport. You may be able to fly from Ottawa to Glasgow Intl Airport for 25% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Ottawa to Glasgow Intl Airport one-way?

    One-way options have recently been found by users for as low as £271 on Air Transat. Other airlines that offer cheap prices include Porter Airlines from £305 and Aer Lingus from £475 one-way.

  • Can I find deals for flights from Ottawa to Glasgow Intl that include hotel bookings?

    Yes. In addition to deals on Ottawa to Glasgow Intl flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Ottawa to Glasgow Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ottawa to Glasgow Intl.

  • Can I find deals for business class flights from Ottawa to Glasgow Intl?

    Yes. Cheapflights offers flight deals from Ottawa to Glasgow Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Ottawa to Glasgow Intl Airport?

    Currently, April is the cheapest month in which you can book a flight from Ottawa to Glasgow Intl Airport (average of £97). Flying from Ottawa to Glasgow Intl Airport in July is currently the most expensive (average of £119). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Glasgow Intl Airport?

Book flights to Glasgow Intl Airport if you plan to visit one of these locations
Paisley
Largs
Renfrew
Dunoon
East Kilbride
Kilmarnock
Dumbarton
Arrochar
Clydebank
Inveraray
Ballachulish
Rothesay
Alexandria
Tarbert
Balloch

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Alternative routes for Ottawa to Glasgow Intl

See prices for flight routes from nearby airports that may be better suited for you.
Pearson Intl to Glasgow Intl flights

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Can Cheapflights find flights from Ottawa to Glasgow Intl with no change fees?

Need flexible booking options for your flight to Glasgow Intl from Ottawa? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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