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Cheap flights from Glasgow Intl Airport to Portsmouth from £30

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 5/2. Fares are subject to change and may not be available on all flights or dates of travel.
GLA — LHR
27 Jan — 3 Feb1
1 adult

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 Thursday and return on a Tuesday

Cheap flight deals from Glasgow Intl to Portsmouth

Discover tips and strategies to find the most affordable flight options for your journey from Glasgow Intl (GLA) to Portsmouth (P0R). 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 22 January 2025.

Round-trip from

£70

One-way from

£30

Popular in

November

Cheapest in

March

Average price

£103
easyJet
  • easyJet
  • 12/5-25/5
  • Nonstop
  • 2h 45m total
  • Glasgow to Portsmouth
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easyJet
  • easyJet
  • 5/2
  • Nonstop
  • 1h 20m total
  • Glasgow to Portsmouth
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (£20 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£5 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 2025
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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 January 2025.

Mon 12/513:35GLA - SOU
Nonstop1h 20measyJet
Sun 25/516:35SOU - GLA
Nonstop1h 25measyJet
Deal found 20/1£70
Fri 21/316:00GLA - SOU
Nonstop1h 20mMultiple Airlines
Sat 22/308:55SOU - GLA
1 stop9h 20mMultiple Airlines
Deal found 21/1£122
Fri 3/1006:00GLA - SOU
1 stop11h 00mKLM
Thu 16/1009:20SOU - GLA
1 stop6h 50mKLM
Deal found 21/1£210
Sat 28/616:30GLA - SOU
1 stop23h 45mAer Lingus
Sat 5/708:55SOU - GLA
1 stop7h 05mAer Lingus
Deal found 21/1£416
Fri 3/1019:30GLA - SOU
2 stops16h 25mBritish Airways
Thu 16/1008:55SOU - GLA
2 stops10h 50mBritish Airways
Deal found 21/1£486

Find flights from Glasgow Intl to Portsmouth within your budget

Customise your flight search to find flights from Glasgow Intl to Portsmouth 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 22 January 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

GlasgowSouthampton

GLA - SOU

GLASOU

Glasgow Intl

Mon 12/5

13:35-14:55

Nonstop1h 20m

Southampton Eastleigh

Sun 25/5

16:35-18:00

Nonstop1h 25m

£70

GlasgowSouthampton

GLA - SOU

GLASOU

Glasgow Intl

Fri 21/3

16:00-17:20

Nonstop1h 20m

Southampton Eastleigh

Sat 22/3

08:55-18:15

1 stop9h 20m

£122

GlasgowSouthampton

GLA - SOU

GLASOU

Glasgow Intl

Fri 21/2

17:15-08:50

1 stop15h 35m

Southampton Eastleigh

Mon 24/2

17:20-08:30

1 stop15h 10m

£228

GlasgowSouthampton

GLA - SOU

GLASOU

Glasgow Intl

Sat 28/6

16:30-16:15

1 stop23h 45m

Southampton Eastleigh

Sat 5/7

08:55-16:00

1 stop7h 05m

£416

GlasgowSouthampton

GLA - SOU

GLASOU

Glasgow Intl

Tue 4/3

12:40-19:25

2 stops6h 45m

Southampton Eastleigh

Thu 6/3

12:30-20:25

2 stops7h 55m

£534

GlasgowSouthampton

GLA - SOU

GLASOU

Glasgow Intl

Wed 5/2

07:30-08:50

Nonstop1h 20m

£30

GlasgowSouthampton

GLA - SOU

GLASOU

Glasgow Intl

Sun 2/2

22:40-08:45

1 stop10h 05m

£93

GlasgowSouthampton

GLA - SOU

GLASOU

Glasgow Intl

Tue 1/4

13:40-08:25

1 stop18h 45m

£137

GlasgowSouthampton

GLA - SOU

GLASOU

Glasgow Intl

Wed 5/2

12:20-18:55

1 stop6h 35m

£216

GlasgowSouthampton

GLA - SOU

GLASOU

Glasgow Intl

Tue 6/5

06:55-16:00

2 stops9h 05m

£351

Flights are sorted by cheapest return flights first.

Deals found on 21/1

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.

Travel insights for flights from Glasgow Intl to Portsmouth

Get recent, data-driven insights about flights from Glasgow Intl to Portsmouth including ideal travel times, pricing trends, and more.

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 17 January 2025.

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 £161). 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?

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 January 2025.

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?

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.

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. Saturday at midday flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Portsmouth by month

Plan your trip to Portsmouth by taking into account the average rainfall totals by month.

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.

Temperature in Portsmouth by month

Plan your trip to Portsmouth by taking into account the average temperature totals by month.

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).

Reviews of airlines servicing Portsmouth

Get insights into the airlines that provide service to Portsmouth. 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 Portsmouth. Reviews last updated 22 January 2025.
KLM
7.8
Good
1,341 reviews
Check prices

Comfort

7.7

Crew

8.4

Food

7.3

Boarding

7.8

Entertainment

7.2

Overall

7.8

Reviews

1 / 10

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

KLM
7.8
Good
1,341 reviews
KLM
7.8
Good
1,341 reviews
Check prices

Comfort

7.7

Crew

8.4

Food

7.3

Boarding

7.8

Entertainment

7.2

Overall

7.8

Reviews

1 / 10

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

Aer Lingus
7.1
Good
1,082 reviews
KLM
7.8
Good
1,341 reviews
Check prices

Comfort

7.7

Crew

8.4

Food

7.3

Boarding

7.8

Entertainment

7.2

Overall

7.8

Reviews

1 / 10

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

easyJet
6.9
Okay
1,859 reviews
KLM
7.8
Good
1,341 reviews
Check prices

Comfort

7.7

Crew

8.4

Food

7.3

Boarding

7.8

Entertainment

7.2

Overall

7.8

Reviews

1 / 10

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

British Airways
6.6
Okay
6,834 reviews
KLM
7.8
Good
1,341 reviews
Check prices

Comfort

7.7

Crew

8.4

Food

7.3

Boarding

7.8

Entertainment

7.2

Overall

7.8

Reviews

1 / 10

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

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.

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

    To fly one-way, consider booking your trip with easyJet, which is currently one of the cheapest options available, starting at £30. Aer Lingus flights start at £137 while deals on British Airways start at £216 one-way.

  • 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 Malaysia Airlines (74%), Kenya Airways (72%) and Royal Air Maroc (72%).

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

    On average you can expect to pay £1,525 for a flight from Glasgow Intl Airport to Portsmouth. The cheapest flight overall is £50 while the most popular route, (Glasgow Intl - Southampton Eastleigh) is currently priced at £54.

  • 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 £161). 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

Browse thousands of different options on Cheapflights for your next trip

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Top 4 airlines flying from Glasgow Intl to Portsmouth

Discover the top 4 airlines that operate flights from Glasgow Intl to Portsmouth. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 22 January 2025.
AirlineCheapestAverageFlexibilityOn-time
easyJetCheapest£47Average£100FlexibilityNo cancel feeOn-time86%
Search easyJet flights
British AirwaysCheapest£53Average£144FlexibilityNo cancel feeOn-time70%
Search British Airways flights
LoganairCheapest£114Average£207FlexibilityNo cancel feeOn-time79%
Search Loganair flights
KLMCheapest£213Average£266FlexibilityNo cancel feeOn-time75%
Search KLM flights

Fly with Cheapflights

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

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

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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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