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.
GLA — LHR
8 Sep — 15 Sep1
Return
1 adult
Economy
Cheapflights Tip: The best prices from Glasgow 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 to Portsmouth
Keep the following information in mind while searching for Glasgow to Portsmouth flight deals. Data was last updated 3 September 2025.
Explore the most affordable flight options available from Glasgow to Portsmouth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 3 September 2025.
Mon 3/1110:05GLA - SOU
Nonstop1h 20measyJet
Sat 8/1113:55SOU - GLA
Nonstop1h 20measyJet
Deal found 2/9£56
Wed 1/1007:10GLA - SOU
Nonstop1h 20measyJet
Mon 6/1011:50SOU - GLA
1 stop9h 55measyJet
Deal found 2/9£84
Wed 15/1007:10GLA - SOU
Nonstop1h 20measyJet
Thu 16/1015:05SOU - GLA
1 stop8h 25measyJet
Deal found 1/9£86
Fri 5/1215:50GLA - SOU
Nonstop1h 20measyJet
Sun 7/1218:20SOU - GLA
Nonstop1h 20measyJet
Deal found 1/9£88
Sun 5/1007:25GLA - SOU
1 stop4h 00measyJet
Tue 7/1012:25SOU - GLA
Nonstop1h 25measyJet
Deal found 3/9£97
Thu 16/1009:35GLA - SOU
Nonstop1h 20measyJet
Thu 23/1015:05SOU - GLA
1 stop8h 25measyJet
Deal found 1/9£100
Mon 3/1114:35GLA - SOU
1 stop5h 05mMultiple Airlines
Sat 8/1113:55SOU - GLA
Nonstop1h 20mMultiple Airlines
Deal found 2/9£103
Thu 25/906:05GLA - SOU
1 stop8h 15measyJet
Fri 26/912:25SOU - GLA
1 stop10h 25measyJet
Deal found 1/9£109
Mon 15/921:50GLA - SOU
1 stop10h 25mMultiple Airlines
Wed 17/909:00SOU - GLA
Nonstop1h 25mMultiple Airlines
Deal found 1/9£112
Best flights from Glasgow to Portsmouth
Discover carefully curated flight deals from Glasgow to Portsmouth that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 3 September 2025.
Mon 3/1110:05GLA - SOU
Nonstop1h 20measyJet
Sat 8/1113:55SOU - GLA
Nonstop1h 20measyJet
Deal found 2/9£56
Sat 28/211:50GLA - SOU
Nonstop1h 20measyJet
Sat 14/313:55SOU - GLA
Nonstop1h 20measyJet
Deal found 1/9£68
Fri 27/215:50GLA - SOU
Nonstop1h 20measyJet
Sat 14/313:55SOU - GLA
Nonstop1h 20measyJet
Deal found 1/9£77
Wed 1/1007:10GLA - SOU
Nonstop1h 20measyJet
Mon 6/1011:50SOU - GLA
1 stop9h 55measyJet
Deal found 2/9£84
Wed 15/1007:10GLA - SOU
Nonstop1h 20measyJet
Thu 16/1015:05SOU - GLA
1 stop8h 25measyJet
Deal found 1/9£86
Fri 5/1215:50GLA - SOU
Nonstop1h 20measyJet
Sun 7/1218:20SOU - GLA
Nonstop1h 20measyJet
Deal found 1/9£88
Sun 5/1007:25GLA - SOU
1 stop4h 00measyJet
Tue 7/1012:25SOU - GLA
Nonstop1h 25measyJet
Deal found 3/9£97
Thu 16/1009:35GLA - SOU
Nonstop1h 20measyJet
Thu 23/1015:05SOU - GLA
1 stop8h 25measyJet
Deal found 1/9£100
Direct flights from Glasgow to Portsmouth
Explore direct flight options from Glasgow to Portsmouth based on user searches, and compare prices and availability for your desired travel dates. Data last updated 3 September 2025.
Mon 3/1110:05GLA - SOU
Nonstop1h 20measyJet
Sat 8/1113:55SOU - GLA
Nonstop1h 20measyJet
Deal found 2/9£56
Sat 28/211:50GLA - SOU
Nonstop1h 20measyJet
Sat 14/313:55SOU - GLA
Nonstop1h 20measyJet
Deal found 1/9£68
Fri 27/215:50GLA - SOU
Nonstop1h 20measyJet
Sat 14/313:55SOU - GLA
Nonstop1h 20measyJet
Deal found 1/9£77
Wed 1/1007:10GLA - SOU
Nonstop1h 20measyJet
Mon 6/1011:05SOU - GLA
Nonstop1h 25measyJet
Deal found 2/9£86
Fri 5/1215:50GLA - SOU
Nonstop1h 20measyJet
Sun 7/1218:20SOU - GLA
Nonstop1h 20measyJet
Deal found 1/9£88
Mon 15/909:15GLA - SOU
Nonstop1h 20measyJet
Wed 17/909:00SOU - GLA
Nonstop1h 25measyJet
Deal found 1/9£122
Sun 5/1014:45GLA - SOU
Nonstop1h 20measyJet
Tue 7/1012:25SOU - GLA
Nonstop1h 25measyJet
Deal found 3/9£123
Thu 16/1009:35GLA - SOU
Nonstop1h 20measyJet
Thu 23/1011:25SOU - GLA
Nonstop1h 25measyJet
Deal found 1/9£124
Sat 20/906:35GLA - SOU
Nonstop1h 20measyJet
Sat 4/1008:25SOU - GLA
Nonstop1h 25measyJet
Deal found 1/9£125
Tue 16/910:25GLA - SOU
Nonstop1h 20measyJet
Wed 17/909:00SOU - GLA
Nonstop1h 25measyJet
Deal found 2/9£145
Thu 2/1009:35GLA - SOU
Nonstop1h 20measyJet
Sun 5/1016:35SOU - GLA
Nonstop1h 25measyJet
Deal found 1/9£153
Last-minute flights from Glasgow to Portsmouth
Discover last-minute flight deals from Glasgow to Portsmouth. Data last updated 3 September 2025 and is based on user searches.
Mon 15/921:50GLA - SOU
1 stop10h 25mMultiple Airlines
Wed 17/909:00SOU - GLA
Nonstop1h 25mMultiple Airlines
Deal found 1/9£112
Mon 15/909:15GLA - SOU
Nonstop1h 20measyJet
Wed 17/909:00SOU - GLA
Nonstop1h 25measyJet
Deal found 1/9£122
Thu 25/906:05GLA - SOU
1 stop8h 15measyJet
Fri 26/912:25SOU - GLA
1 stop10h 25measyJet
Deal found 1/9£109
Wed 1/1007:10GLA - SOU
Nonstop1h 20measyJet
Mon 6/1011:50SOU - GLA
1 stop9h 55measyJet
Deal found 2/9£84
Sun 5/1007:25GLA - SOU
1 stop4h 00measyJet
Tue 7/1012:25SOU - GLA
Nonstop1h 25measyJet
Deal found 3/9£97
Wed 15/1007:10GLA - SOU
Nonstop1h 20measyJet
Thu 16/1015:05SOU - GLA
1 stop8h 25measyJet
Deal found 1/9£86
Thu 16/1009:35GLA - SOU
Nonstop1h 20measyJet
Thu 23/1015:05SOU - GLA
1 stop8h 25measyJet
Deal found 1/9£100
One-way flights from Glasgow to Portsmouth
Search for one-way flight options from Glasgow to Portsmouth. Find affordable one-way fares based on user searches. Data last updated 3 September 2025.
Sat 18/1006:35GLA - SOU
Nonstop1h 20measyJet
Deal found 2/9£28
Tue 2/1207:30GLA - SOU
Nonstop1h 20measyJet
Deal found 3/9£31
Wed 15/1007:10GLA - SOU
Nonstop1h 20measyJet
Deal found 1/9£35
Wed 8/1007:10GLA - SOU
Nonstop1h 20measyJet
Deal found 1/9£48
Fri 3/1022:20GLA - SOU
1 stop16h 30measyJet
Deal found 1/9£63
Sat 13/906:35GLA - SOU
Nonstop1h 20measyJet
Deal found 1/9£66
Thu 2/1009:35GLA - SOU
Nonstop1h 20measyJet
Deal found 1/9£70
Thu 16/1009:35GLA - SOU
Nonstop1h 20measyJet
Deal found 1/9£71
Cheapflights Fare Finder
Customise your flight search to find flights from Glasgow 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 3 September 2025.
Use the filters below to find and compare flights from Glasgow to Portsmouth that are best for you.
Fly from
Glasgow
Fly to
Portsmouth
Route
Depart
Return
Price
GlasgowSouthampton
GLA - SOU
GLASOU
Glasgow Intl
Mon 3/11
10:05-11:25
Nonstop1h 20m
Southampton Eastleigh
Sat 8/11
13:55-15:15
Nonstop1h 20m
£56
GlasgowSouthampton
GLA - SOU
GLASOU
Glasgow Intl
Sat 28/2
11:50-13:10
Nonstop1h 20m
Southampton Eastleigh
Sat 14/3
13:55-15:15
Nonstop1h 20m
£68
GlasgowSouthampton
GLA - SOU
GLASOU
Glasgow Intl
Fri 27/2
15:50-17:10
Nonstop1h 20m
Southampton Eastleigh
Sat 14/3
13:55-15:15
Nonstop1h 20m
£77
GlasgowSouthampton
GLA - SOU
GLASOU
Glasgow Intl
Wed 1/10
07:10-08:30
Nonstop1h 20m
Southampton Eastleigh
Mon 6/10
11:50-21:45
1 stop9h 55m
£84
GlasgowSouthampton
GLA - SOU
GLASOU
Glasgow Intl
Wed 15/10
07:10-08:30
Nonstop1h 20m
Southampton Eastleigh
Thu 16/10
15:05-23:30
1 stop8h 25m
£86
GlasgowSouthampton
GLA - SOU
GLASOU
Glasgow Intl
Fri 5/12
15:50-17:10
Nonstop1h 20m
Southampton Eastleigh
Sun 7/12
18:20-19:40
Nonstop1h 20m
£88
GlasgowSouthampton
GLA - SOU
GLASOU
Glasgow Intl
Sun 5/10
07:25-11:25
1 stop4h 00m
Southampton Eastleigh
Tue 7/10
12:25-13:50
Nonstop1h 25m
£97
GlasgowSouthampton
GLA - SOU
GLASOU
Glasgow Intl
Thu 16/10
09:35-10:55
Nonstop1h 20m
Southampton Eastleigh
Thu 23/10
15:05-23:30
1 stop8h 25m
£100
GlasgowSouthampton
GLA - SOU
GLASOU
Glasgow Intl
Sat 18/10
06:35-07:55
Nonstop1h 20m
£28
GlasgowSouthampton
GLA - SOU
GLASOU
Glasgow Intl
Tue 2/12
07:30-08:50
Nonstop1h 20m
£31
Flights are sorted by cheapest return flights first.
Deals found on 2/9
Showing 1-10 of 16 results
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Best time to book a flight from Glasgow to Portsmouth
Have a flexible travel schedule? Discover the best time to fly to Portsmouth from Glasgow 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 to Portsmouth
How far ahead should I book a flight from Glasgow to Portsmouth?
Use this chart to determine the optimal time to book a return flight from Glasgow to Portsmouth. Price data was last updated on 29 August 2025.
To ensure you get the cheapest price possible for a flight from Glasgow to Portsmouth, you should look to book at least 67 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from Glasgow to Portsmouth?
Currently, January is the cheapest month in which you can book a flight from Glasgow to Portsmouth (average of £112). Flying from Glasgow 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?
Find hourly flight availability from Glasgow 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 3 September 2025.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Glasgow to Portsmouth as you normally would.
What is the cheapest day to fly from Glasgow to Portsmouth?
Use this chart to determine the cheapest time to fly return from Glasgow to Portsmouth. Price data was last updated on 16 December 2024.
Travellers seeking maximum savings on their Glasgow to Portsmouth flight should consider departing on Tuesday at midday when fares are most often at their lowest. Sunday at midday flights should be avoided if possible as fares are typically the most expensive at this time.
Weekly flight availability from Glasgow to Portsmouth
Explore weekly flight availability from Glasgow to Portsmouth. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 3 September 2025.
The most flights from GG1 to P0R are scheduled on a Tuesday (54 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (1 on average).
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 3 September 2025.
Read reviews from past customers who have flown with KLM, easyJet, andBritish Airways
from Glasgow 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.
Very good and loved being on a smaller plane with only 100 passengers max so boarding and disembarking was quick and easy
Related info for your journey
Find useful and relevant information for your journey from Glasgow 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 to Portsmouth?
easyJet can get you from Glasgow to Portsmouth in just under 1h 20m. Your travel time will be generally consistent. There are 363 mi between Glasgow and Portsmouth. Most flights are nonstop.
What are the most reliable airlines from Glasgow to Portsmouth?
No one likes to see their flight delayed. When booking a flight from Glasgow to Portsmouth consider choosing American Airlines (84%), Iberia (83%) or Finnair (82%) as they are the most reliable in getting you off to your destination on time.
What are the cheapest flights from Glasgow to Portsmouth?
While on average a flight from Glasgow to Portsmouth is generally £1,500, our data shows the cheapest flight currently is £57. When looking at the most popular route, (Glasgow Intl - Southampton Eastleigh), you can expect to pay £56 for that flight.
Can I find deals for business class flights from Glasgow to Portsmouth?
Yes. Cheapflights offers flight deals from Glasgow 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 to Portsmouth?
Currently, January is the cheapest month in which you can book a flight from Glasgow to Portsmouth (average of £112). Flying from Glasgow 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.
Discover the top 6 airlines that operate flights from Glasgow 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 3 September 2025.
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 to Portsmouth?
900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Portsmouth from Glasgow today with Cheapflights!
Why should you use Cheapflights to find cheap flight tickets from Glasgow to Portsmouth?
By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Portsmouth from Glasgow.
Can Cheapflights find flights from Glasgow to Portsmouth with no change fees?
Need flexible booking options for your flight to Portsmouth from Glasgow? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.
Can Cheapflights notify me if prices for flights from Glasgow to Portsmouth become cheaper?
Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Portsmouth from Glasgow today and book when prices fit your budget.
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