How long is the flight from Glasgow Intl Airport to Portsmouth?

For as low as £61, easyJet can have you in Portsmouth from Glasgow Intl Airport in 1h 20m. The distance between Glasgow Intl Airport and Portsmouth is about 363 mi. All flights are typically direct.

In terms of precipitation, rainfall in Portsmouth ranges from 25.0 - 76.0 inches per month. December is typically the wettest month, when rainfall can reach 76.0 mm. July is typically the driest time to visit Portsmouth when rainfall is around 25.0 mm.

If weather is an important factor for your trip to Portsmouth, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 18.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 4.0 C).

What are the cheapest flights from Glasgow Intl Airport to Portsmouth?

On average you can expect to pay £1,510 for a flight from Glasgow Intl Airport to Portsmouth. The cheapest flight overall is £56 while the most popular route, (Glasgow Intl - Southampton Eastleigh) is currently priced at £37.

What are the most reliable airlines from Glasgow Intl Airport to Portsmouth?

The top 3 most reliable airlines when flying from Glasgow Intl Airport to Portsmouth are American Airlines (85%), Iberia (84%) and Finnair (84%).

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

Users have found that booking a flight from Glasgow Intl Airport to Portsmouth at least 59 days early can save you up to 117% on average compared to booking a flight this week. If booking 59 days before your flight isn’t an option for you, users have found flights from Glasgow Intl Airport to Portsmouth for as little as £77 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as £130 for flights departing within the next 3 days.

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

The best pricing can be found in the month of January. Prices to Portsmouth from Glasgow Intl Airport average £75. You can even find prices in January for less than £75, as users have found deals to Portsmouth from as low as £36. The month of June appears to be one of the more expensive times to travel to Portsmouth from Glasgow Intl Airport. Flying in the targeted month can save you up to 19%.

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

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

How can I find direct flights from Glasgow Intl to Portsmouth?

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

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

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

£19+ Cheap Flights from Glasgow Intl Airport to Portsmouth

Cheapflights Tip: The best prices from Glasgow Intl to Portsmouth are usually found in March or February, booked 67 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday

Cheap flight deals from Glasgow Intl to Portsmouth

Round-trip from	£61
One-way from	£19
Popular in	July
Cheapest in	March
Average price	£124

easyJet
17/9-24/9
Nonstop
2h 45m total
Glasgow to Portsmouth

Search Deals

easyJet
18/10
Nonstop
1h 20m total
Glasgow to Portsmouth

Search Deals

Highest demand for flights based on searches. 16% potential increase in price (£16 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (£4 potential savings vs. average return price).

Search Deals

Average for round-trip flights in August 2025

Search Deals

Find flight deals from Glasgow Intl to Portsmouth

Cheapest flights from Glasgow Intl to Portsmouth
Explore the most affordable flight options available from Glasgow Intl to Portsmouth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 August 2025.

Wed 17/907:10GLA - SOU

Nonstop1h 20measyJet

Wed 24/909:00SOU - GLA

Nonstop1h 25measyJet

Deal found 21/8£61

Wed 1/1007:10GLA - SOU

Nonstop1h 20measyJet

Mon 6/1011:05SOU - GLA

Nonstop1h 25measyJet

Deal found 20/8£65

Sun 5/1007:25GLA - SOU

1 stop4h 00measyJet

Sun 12/1012:00SOU - GLA

1 stop19h 25measyJet

Deal found 21/8£74

Sat 4/1006:15GLA - SOU

1 stop8h 35measyJet

Mon 6/1011:05SOU - GLA

Nonstop1h 25measyJet

Deal found 20/8£76

Tue 16/910:25GLA - SOU

Nonstop1h 20measyJet

Wed 24/909:00SOU - GLA

Nonstop1h 25measyJet

Deal found 21/8£77

Sat 18/1020:25GLA - SOU

1 stop15h 00measyJet

Wed 22/1009:00SOU - GLA

Nonstop1h 25measyJet

Deal found 21/8£80

Wed 1/1018:55GLA - SOU

1 stop19h 25measyJet

Sat 4/1008:25SOU - GLA

Nonstop1h 25measyJet

Deal found 21/8£85

Thu 2/1009:35GLA - SOU

Nonstop1h 20measyJet

Mon 6/1011:05SOU - GLA

Nonstop1h 25measyJet

Deal found 20/8£86

Wed 17/907:10GLA - SOU

Nonstop1h 20measyJet

Sat 20/908:25SOU - GLA

Nonstop1h 25measyJet

Deal found 21/8£90

Best flights from Glasgow Intl to Portsmouth
Discover carefully curated flight deals from Glasgow Intl to Portsmouth that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 22 August 2025.

Wed 17/907:10GLA - SOU

Nonstop1h 20measyJet

Wed 24/909:00SOU - GLA

Nonstop1h 25measyJet

Deal found 21/8£61

Wed 1/1007:10GLA - SOU

Nonstop1h 20measyJet

Sat 4/1008:25SOU - GLA

Nonstop1h 25measyJet

Deal found 22/8£61

Wed 1/1007:10GLA - SOU

Nonstop1h 20measyJet

Mon 6/1011:05SOU - GLA

Nonstop1h 25measyJet

Deal found 20/8£65

Wed 1/1007:10GLA - SOU

Nonstop1h 20measyJet

Sun 5/1012:00SOU - GLA

1 stop19h 25measyJet

Deal found 20/8£73

Sun 5/1007:25GLA - SOU

1 stop4h 00measyJet

Sun 12/1012:00SOU - GLA

1 stop19h 25measyJet

Deal found 21/8£74

Sat 4/1006:35GLA - SOU

Nonstop1h 20measyJet

Mon 6/1011:05SOU - GLA

Nonstop1h 25measyJet

Deal found 20/8£76

Tue 16/910:25GLA - SOU

Nonstop1h 20measyJet

Wed 24/909:00SOU - GLA

Nonstop1h 25measyJet

Deal found 21/8£77

Sat 18/1020:25GLA - SOU

1 stop15h 00measyJet

Wed 22/1009:00SOU - GLA

Nonstop1h 25measyJet

Deal found 21/8£80

Direct flights from Glasgow Intl to Portsmouth
Explore direct flight options from Glasgow Intl to Portsmouth based on user searches, and compare prices and availability for your desired travel dates. Data last updated 22 August 2025.

Wed 17/907:10GLA - SOU

Nonstop1h 20measyJet

Wed 24/909:00SOU - GLA

Nonstop1h 25measyJet

Deal found 21/8£61

Wed 1/1007:10GLA - SOU

Nonstop1h 20measyJet

Mon 6/1011:05SOU - GLA

Nonstop1h 25measyJet

Deal found 20/8£65

Sat 4/1006:35GLA - SOU

Nonstop1h 20measyJet

Mon 6/1011:05SOU - GLA

Nonstop1h 25measyJet

Deal found 20/8£76

Tue 16/910:25GLA - SOU

Nonstop1h 20measyJet

Wed 24/909:00SOU - GLA

Nonstop1h 25measyJet

Deal found 21/8£77

Thu 2/1009:35GLA - SOU

Nonstop1h 20measyJet

Mon 6/1011:05SOU - GLA

Nonstop1h 25measyJet

Deal found 20/8£86

Wed 17/907:10GLA - SOU

Nonstop1h 20measyJet

Sat 20/908:25SOU - GLA

Nonstop1h 25measyJet

Deal found 21/8£90

Wed 17/907:10GLA - SOU

Nonstop1h 20measyJet

Tue 23/912:25SOU - GLA

Nonstop1h 25measyJet

Deal found 21/8£95

Wed 17/907:10GLA - SOU

Nonstop1h 20measyJet

Thu 25/911:25SOU - GLA

Nonstop1h 25measyJet

Deal found 21/8£100

Sat 6/906:35GLA - SOU

Nonstop1h 20measyJet

Sat 13/908:25SOU - GLA

Nonstop1h 25measyJet

Deal found 20/8£104

Tue 16/910:25GLA - SOU

Nonstop1h 20measyJet

Sat 20/908:25SOU - GLA

Nonstop1h 25measyJet

Deal found 21/8£106

Sat 20/906:35GLA - SOU

Nonstop1h 20measyJet

Wed 24/909:00SOU - GLA

Nonstop1h 25measyJet

Deal found 21/8£106

Last-minute flights from Glasgow Intl to Portsmouth
Discover last-minute flight deals from Glasgow Intl to Portsmouth. Data last updated 22 August 2025 and is based on user searches.

Sun 31/819:40GLA - SOU

Nonstop1h 20measyJet

Wed 3/909:00SOU - GLA

Nonstop1h 25measyJet

Deal found 21/8£145

Sun 31/819:40GLA - SOU

Nonstop1h 20measyJet

Tue 2/912:25SOU - GLA

Nonstop1h 25measyJet

Deal found 21/8£146

Sun 31/813:40GLA - SOU

1 stop21h 40mMultiple Airlines

Tue 2/912:25SOU - GLA

Nonstop1h 25mMultiple Airlines

Deal found 22/8£187

Mon 1/906:40GLA - SOU

1 stop25h 45mMultiple Airlines

Thu 4/911:25SOU - GLA

Nonstop1h 25mMultiple Airlines

Deal found 20/8£133

Mon 1/909:15GLA - SOU

Nonstop1h 20measyJet

Wed 3/909:00SOU - GLA

Nonstop1h 25measyJet

Deal found 21/8£141

Mon 1/909:15GLA - SOU

Nonstop1h 20measyJet

Thu 4/911:25SOU - GLA

Nonstop1h 25measyJet

Deal found 20/8£147

Mon 1/921:50GLA - SOU

1 stop10h 50mMultiple Airlines

Wed 3/909:00SOU - GLA

Nonstop1h 25mMultiple Airlines

Deal found 21/8£153

One-way flights from Glasgow Intl to Portsmouth
Search for one-way flight options from Glasgow Intl to Portsmouth. Find affordable one-way fares based on user searches. Data last updated 22 August 2025.

Sat 18/1006:35GLA - SOU

Nonstop1h 20measyJet

Deal found 20/8£19

Wed 17/907:10GLA - SOU

Nonstop1h 20measyJet

Deal found 20/8£31

Wed 24/907:10GLA - SOU

Nonstop1h 20measyJet

Deal found 21/8£32

Sun 11/116:25GLA - SOU

Nonstop1h 20measyJet

Deal found 22/8£39

Tue 30/910:25GLA - SOU

Nonstop1h 20measyJet

Deal found 21/8£48

Fri 3/1022:20GLA - SOU

1 stop16h 30measyJet

Deal found 20/8£50

Tue 23/910:25GLA - SOU

Nonstop1h 20measyJet

Deal found 21/8£56

Sat 6/906:35GLA - SOU

Nonstop1h 20measyJet

Deal found 20/8£59

Mon 15/909:15GLA - SOU

Nonstop1h 20measyJet

Deal found 22/8£71

Mon 15/917:40GLA - SOU

1 stop14h 35mAer Lingus

Deal found 22/8£74

Thu 2/1009:35GLA - SOU

Nonstop1h 20measyJet

Deal found 20/8£76

Cheapflights Fare Finder

Use the filters below to find and compare flights from Glasgow Intl Airport to Portsmouth that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

GlasgowSouthampton

GLA - SOU

GLASOU

Glasgow Intl

Wed 17/9

07:10-08:30

Nonstop1h 20m

Southampton Eastleigh

Wed 24/9

09:00-10:25

Nonstop1h 25m

£61

GlasgowSouthampton

GLA - SOU

GLASOU

Glasgow Intl

Wed 1/10

07:10-08:30

Nonstop1h 20m

Southampton Eastleigh

Sat 4/10

08:25-09:50

Nonstop1h 25m

£61

GlasgowSouthampton

GLA - SOU

GLASOU

Glasgow Intl

Wed 1/10

07:10-08:30

Nonstop1h 20m

Southampton Eastleigh

Mon 6/10

11:05-12:30

Nonstop1h 25m

£65

GlasgowSouthampton

GLA - SOU

GLASOU

Glasgow Intl

Wed 1/10

07:10-08:30

Nonstop1h 20m

Southampton Eastleigh

Sun 5/10

12:00-07:25

1 stop19h 25m

£73

GlasgowSouthampton

GLA - SOU

GLASOU

Glasgow Intl

Sun 5/10

07:25-11:25

1 stop4h 00m

Southampton Eastleigh

Sun 12/10

12:00-07:25

1 stop19h 25m

£74

GlasgowSouthampton

GLA - SOU

GLASOU

Glasgow Intl

Sat 4/10

06:35-07:55

Nonstop1h 20m

Southampton Eastleigh

Mon 6/10

11:05-12:30

Nonstop1h 25m

£76

GlasgowSouthampton

GLA - SOU

GLASOU

Glasgow Intl

Tue 16/9

10:25-11:45

Nonstop1h 20m

Southampton Eastleigh

Wed 24/9

09:00-10:25

Nonstop1h 25m

£77

GlasgowSouthampton

GLA - SOU

GLASOU

Glasgow Intl

Sat 18/10

20:25-11:25

1 stop15h 00m

Southampton Eastleigh

Wed 22/10

09:00-10:25

Nonstop1h 25m

£80

GlasgowSouthampton

GLA - SOU

GLASOU

Glasgow Intl

Sat 18/10

06:35-07:55

Nonstop1h 20m

£19

GlasgowSouthampton

GLA - SOU

GLASOU

Glasgow Intl

Wed 17/9

07:10-08:30

Nonstop1h 20m

£31

Flights are sorted by cheapest return flights first.

Deals found on 20/8

Showing 1-10 of 19 results

Best time to book a flight from Glasgow Intl to Portsmouth

Have a flexible travel schedule? Discover the best time to fly to Portsmouth from Glasgow Intl 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 Glasgow Intl Airport to Portsmouth

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

The best time to book flights from Glasgow Intl Airport to Portsmouth is 67 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, January is the cheapest month in which you can book a flight from Glasgow Intl Airport to Portsmouth (average of £112). Flying from Glasgow Intl Airport to Portsmouth in August is currently the most expensive (average of £164). 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.

What is the cheapest time of day to fly from GLA to P0R?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Glasgow Intl Airport to Portsmouth as you normally would.

What is the cheapest day to fly from Glasgow Intl Airport to Portsmouth?

Travellers seeking maximum savings on their Glasgow Intl Airport to Portsmouth flight should consider departing on Tuesday at midday when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Portsmouth

Read reviews from past customers who have flown with KLM, easyJet, andBritish Airways from Glasgow Intl Airport to Portsmouth. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

KLM

7.8

Good

1,388 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

KLM

7.8

Good

1,388 reviews

KLM

7.8

Good

1,388 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

easyJet

6.9

Okay

1,818 reviews

KLM

7.8

Good

1,388 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

British Airways

6.7

Okay

7,292 reviews

KLM

7.8

Good

1,388 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Related info for your journey

How long is the flight from Glasgow Intl Airport to Portsmouth?
For as low as £61, easyJet can have you in Portsmouth from Glasgow Intl Airport in 1h 20m. The distance between Glasgow Intl Airport and Portsmouth is about 363 mi. All flights are typically direct.
What are the most reliable airlines from Glasgow Intl Airport to Portsmouth?
The top 3 most reliable airlines when flying from Glasgow Intl Airport to Portsmouth are American Airlines (85%), Iberia (84%) and Finnair (84%).
What are the cheapest flights from Glasgow Intl Airport to Portsmouth?
On average you can expect to pay £1,510 for a flight from Glasgow Intl Airport to Portsmouth. The cheapest flight overall is £56 while the most popular route, (Glasgow Intl - Southampton Eastleigh) is currently priced at £37.
Can I find deals for flights from Glasgow Intl to Portsmouth that include hotel bookings?
Yes. In addition to deals on Glasgow Intl to Portsmouth flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Glasgow Intl to Portsmouth?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Glasgow Intl to Portsmouth.
Can I find deals for business class flights from Glasgow Intl to Portsmouth?
Yes. Cheapflights offers flight deals from Glasgow Intl to Portsmouth 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 Glasgow Intl Airport to Portsmouth?
Currently, January is the cheapest month in which you can book a flight from Glasgow Intl Airport to Portsmouth (average of £112). Flying from Glasgow Intl Airport to Portsmouth in August is currently the most expensive (average of £164). 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

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Alternative routes for Glasgow Intl to Portsmouth

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Top 3 airlines flying from Glasgow Intl to Portsmouth

Airline	Cheapest	Average	Flexibility	On-time
easyJet	Cheapest£43	Average£86	FlexibilityNo cancel fee	On-time86%	Search easyJet flights
British Airways	Cheapest£48	Average£157	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
KLM	Cheapest£194	Average£318	FlexibilityNo cancel fee	On-time75%	Search KLM flights

Fly with Cheapflights

How does Cheapflights help users find flights from Glasgow Intl to Portsmouth?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Glasgow Intl to Portsmouth. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Glasgow Intl to Portsmouth?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Glasgow Intl to Portsmouth for you. Better yet — we are completely free to use.

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

Users can book flights with no change fees policies with our dedicated filters. Book flights from Glasgow Intl to Portsmouth flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Glasgow Intl to Portsmouth become cheaper?

Yes, Cheapflights offers price alerts on Glasgow Intl to Portsmouth flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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Cheap flights from Glasgow Intl Airport to Portsmouth from £19

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 18/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheapflights Tip: The best prices from Glasgow Intl to Portsmouth are usually found in March or February, booked 67 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday

Cheap flight deals from Glasgow Intl to Portsmouth

Keep the following information in mind while searching for Glasgow Intl to Portsmouth flight deals. Data was last updated 22 August 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Glasgow Intl to Portsmouth

Cheapest flights from Glasgow Intl to PortsmouthExplore the most affordable flight options available from Glasgow Intl to Portsmouth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 August 2025.

Explore the most affordable flight options available from Glasgow Intl to Portsmouth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 August 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Glasgow Intl Airport to Portsmouth that are best for you.

Best time to book a flight from Glasgow Intl to Portsmouth

Have a flexible travel schedule? Discover the best time to fly to Portsmouth from Glasgow Intl with our price prediction graph.

Cheapflights Insights

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

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

Use this chart to determine the optimal time to book a return flight from Glasgow Intl to Portsmouth. Price data was last updated on 8 August 2025.

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

What is the cheapest time of day to fly from GLA to P0R?

Find hourly flight availability from Glasgow Intl to Portsmouth. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 22 August 2025.

What is the cheapest day to fly from Glasgow Intl Airport to Portsmouth?

Use this chart to determine the cheapest time to fly return from Glasgow Intl to Portsmouth. Price data was last updated on 16 December 2024.

Reviews of airlines servicing Portsmouth

Read reviews from past customers who have flown with KLM, easyJet, andBritish Airways from Glasgow Intl Airport to Portsmouth. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

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

How long is the flight from Glasgow Intl Airport to Portsmouth?

What are the most reliable airlines from Glasgow Intl Airport to Portsmouth?

What are the cheapest flights from Glasgow Intl Airport to Portsmouth?

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

How can I find direct flights from Glasgow Intl to Portsmouth?

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

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Glasgow Intl to Portsmouth

See prices for flight routes from nearby airports that may be better suited for you.

Top 3 airlines flying from Glasgow Intl to Portsmouth

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Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Glasgow Intl to Portsmouth?

Why should you use Cheapflights to find cheap flight tickets from Glasgow Intl to Portsmouth?

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

Can Cheapflights notify me if prices for flights from Glasgow Intl to Portsmouth become cheaper?

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Cheapest flights from Glasgow Intl to Portsmouth
Explore the most affordable flight options available from Glasgow Intl to Portsmouth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 August 2025.