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 24/10. Fares are subject to change and may not be available on all flights or dates of travel.
GLA — LHR
22 Sep — 29 Sep1
Return
1 adult
Economy
Return
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Glasgow to Portsmouth are usually found in November or January, booked 88 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday
Cheap flight deals from Glasgow to Portsmouth
Enter your travel dates to find the best prices.
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Best
Direct
Last-minute
One-way
Cheapest flights from Glasgow to Portsmouth
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 23 August 2026.
Tue 20/1011:30 -
Nonstop1h 20m
Sat 31/1008:20 -
Nonstop1h 25m
Deal found 20/8£41
Tue 20/1011:30 -
Nonstop1h 20m
Wed 21/1010:45 -
Nonstop1h 20m
Deal found 21/8£43
Wed 16/908:55 -
Nonstop1h 20m
Wed 30/910:45 -
Nonstop1h 20m
Deal found 19/8£45
Thu 1/1009:45 -
Nonstop1h 20m
Mon 5/1012:55 -
Nonstop1h 20m
Deal found 18/8£58
Wed 9/908:55 -
Nonstop1h 20m
Wed 30/910:45 -
Nonstop1h 20m
Deal found 20/8£59
Sat 24/1006:05 -
1 stop5h 40m
Sat 31/1008:20 -
Nonstop1h 25m
Deal found 19/8£63
Thu 12/1107:20 -
Nonstop1h 20m
Fri 20/1117:15 -
Nonstop1h 20m
Deal found 22/8£65
Mon 5/1011:05 -
Nonstop1h 20m
Tue 6/1013:25 -
Nonstop1h 20m
Deal found 19/8£66
Sat 7/1106:25 -
Nonstop1h 20m
Sat 14/1108:20 -
Nonstop1h 25m
Deal found 20/8£67
Tue 29/911:30 -
Nonstop1h 20m
Wed 30/910:45 -
Nonstop1h 20m
Deal found 18/8£68
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 23 August 2026.
Tue 20/1011:30 -
Nonstop1h 20m
Sat 31/1008:20 -
Nonstop1h 25m
Deal found 23/8£41
Sat 24/1006:00 -
Nonstop1h 20m
Sat 31/1008:20 -
Nonstop1h 25m
Deal found 19/8£41
Wed 21/1008:55 -
Nonstop1h 20m
Tue 27/1012:25 -
Nonstop1h 20m
Deal found 22/8£43
Thu 1/1009:45 -
Nonstop1h 20m
Mon 5/1012:55 -
Nonstop1h 20m
Deal found 18/8£58
Sat 7/1106:25 -
Nonstop1h 20m
Sat 14/1108:20 -
Nonstop1h 25m
Deal found 20/8£67
Wed 16/908:55 -
Nonstop1h 20m
Thu 17/911:40 -
Nonstop1h 20m
Deal found 18/8£70
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 23 August 2026.
Tue 20/1011:30 -
Nonstop1h 20m
Sat 31/1008:20 -
Nonstop1h 25m
Deal found 20/8£41
Tue 20/1011:30 -
Nonstop1h 20m
Wed 21/1010:45 -
Nonstop1h 20m
Deal found 21/8£43
Wed 16/908:55 -
Nonstop1h 20m
Wed 30/910:45 -
Nonstop1h 20m
Deal found 19/8£45
Thu 1/1009:45 -
Nonstop1h 20m
Mon 5/1012:55 -
Nonstop1h 20m
Deal found 18/8£58
Wed 9/908:55 -
Nonstop1h 20m
Wed 30/910:45 -
Nonstop1h 20m
Deal found 20/8£59
Thu 12/1107:20 -
Nonstop1h 20m
Fri 20/1117:15 -
Nonstop1h 20m
Deal found 22/8£65
Mon 5/1011:05 -
Nonstop1h 20m
Tue 6/1013:25 -
Nonstop1h 20m
Deal found 19/8£66
Sat 7/1106:25 -
Nonstop1h 20m
Sat 14/1108:20 -
Nonstop1h 25m
Deal found 20/8£67
Tue 29/911:30 -
Nonstop1h 20m
Wed 30/910:45 -
Nonstop1h 20m
Deal found 18/8£68
Last-minute flights from Glasgow to Portsmouth
Discover last-minute flight deals from Glasgow to Portsmouth. Data last updated 23 August 2026 and is based on user searches.
Sat 29/806:00 -
Nonstop1h 20m
Mon 31/812:55 -
Nonstop1h 20m
Deal found 20/8£112
Sat 5/906:00 -
Nonstop1h 20m
Wed 9/910:45 -
Nonstop1h 20m
Deal found 21/8£117
Wed 9/908:55 -
Nonstop1h 20m
Wed 30/910:45 -
Nonstop1h 20m
Deal found 20/8£59
Wed 9/907:45 -
1 stop9h 05m
Wed 30/910:45 -
Nonstop1h 20m
Deal found 20/8£105
Wed 16/908:55 -
Nonstop1h 20m
Wed 30/910:45 -
Nonstop1h 20m
Deal found 19/8£45
Wed 16/908:55 -
Nonstop1h 20m
Wed 30/919:30 -
1 stop20h 15m
Deal found 19/8£102
Sat 19/906:00 -
Nonstop1h 20m
Sat 26/907:50 -
Nonstop1h 20m
Deal found 19/8£98
Wed 23/908:55 -
Nonstop1h 20m
Sat 26/907:50 -
Nonstop1h 20m
Deal found 21/8£79
Wed 23/911:55 -
2 stops20h 40m
Sat 26/907:50 -
Nonstop1h 20m
Deal found 21/8£135
Tue 29/911:30 -
Nonstop1h 20m
Wed 30/910:45 -
Nonstop1h 20m
Deal found 18/8£68
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 23 August 2026.
Sat 24/1006:00 -
Nonstop1h 20m
Deal found 23/8£19
Wed 16/908:55 -
Nonstop1h 20m
Deal found 21/8£21
Thu 12/1107:20 -
Nonstop1h 20m
Deal found 20/8£26
Sat 5/906:00 -
Nonstop1h 20m
Deal found 23/8£32
Wed 9/908:55 -
Nonstop1h 20m
Deal found 21/8£33
Fri 13/1115:15 -
Nonstop1h 20m
Deal found 23/8£34
Wed 2/908:55 -
Nonstop1h 20m
Deal found 20/8£35
Fri 27/1115:15 -
Nonstop1h 20m
Deal found 19/8£38
Mon 2/1115:55 -
Nonstop1h 20m
Deal found 23/8£45
Fri 6/1115:15 -
Nonstop1h 20m
Deal found 23/8£51
Find flight deals from Glasgow to Portsmouth
Keep the following information in mind while searching for Glasgow to Portsmouth flight deals. Data was last updated 23 August 2026.
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 7,457,451 searches. Data last updated 23 August 2026.
Use the filters below to find and compare flights from Glasgow to Portsmouth that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
Cheapest return flight
GlasgowSouthampton
GLA Glasgow Intl - SOU Southampton Eastleigh
GLASOU
Glasgow Intl
Tue 20/10
11:30-12:50
Nonstop1h 20m
Southampton Eastleigh
Sat 31/10
08:20-09:45
Nonstop1h 25m
£41
GlasgowSouthampton
GLA Glasgow Intl - SOU Southampton Eastleigh
GLASOU
Glasgow Intl
Sat 24/10
06:00-07:20
Nonstop1h 20m
Southampton Eastleigh
Sat 31/10
08:20-09:45
Nonstop1h 25m
£41
Fastest return journey
GlasgowSouthampton
GLA Glasgow Intl - SOU Southampton Eastleigh
GLASOU
Glasgow Intl
Wed 21/10
08:55-10:15
Nonstop1h 20m
Southampton Eastleigh
Tue 27/10
12:25-13:45
Nonstop1h 20m
£43
GlasgowSouthampton
GLA Glasgow Intl - SOU Southampton Eastleigh
GLASOU
Glasgow Intl
Thu 1/10
09:45-11:05
Nonstop1h 20m
Southampton Eastleigh
Mon 5/10
12:55-14:15
Nonstop1h 20m
£58
GlasgowSouthampton
GLA Glasgow Intl - SOU Southampton Eastleigh
GLASOU
Glasgow Intl
Sat 7/11
06:25-07:45
Nonstop1h 20m
Southampton Eastleigh
Sat 14/11
08:20-09:45
Nonstop1h 25m
£67
GlasgowSouthampton
GLA Glasgow Intl - SOU Southampton Eastleigh
GLASOU
Glasgow Intl
Wed 16/9
08:55-10:15
Nonstop1h 20m
Southampton Eastleigh
Thu 17/9
11:40-13:00
Nonstop1h 20m
£70
Cheapest one-way
Fastest single journey
GlasgowSouthampton
GLA Glasgow Intl - SOU Southampton Eastleigh
GLASOU
Glasgow Intl
Sat 24/10
06:00-07:20
Nonstop1h 20m
£19
GlasgowSouthampton
GLA Glasgow Intl - SOU Southampton Eastleigh
GLASOU
Glasgow Intl
Wed 16/9
08:55-10:15
Nonstop1h 20m
£21
GlasgowSouthampton
GLA Glasgow Intl - SOU Southampton Eastleigh
GLASOU
Glasgow Intl
Wed 2/9
08:55-10:15
Nonstop1h 20m
£40
GlasgowSouthampton
GLA Glasgow Intl - SOU Southampton Eastleigh
GLASOU
Glasgow Intl
Sat 5/9
06:00-07:20
Nonstop1h 20m
£56
Flights are sorted by cheapest return flights first.
Deals found on 23/8
Showing 1-10 of 14 resultsSorted by cheapest first
1
2
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.
GLA-SOU
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
GG1-P0R
GLA-SOU
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 23 August 2026.
It’s typically best to fly out from Glasgow to Portsmouth in the evening. Doing so could potentially save you 34% on the flight price compared to flying in the morning, which is usually more expensive.
How much does it cost for a return flight from Glasgow to Portsmouth?
Airfare is below average for this route at the moment.
Glasgow to Portsmouth flights typically cost between £92 and £166 in October.The cheapest return price found within the last 5 days was £41 on easyJet (20 Oct–31 Oct).
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 22 August 2026.
Travellers seeking maximum savings on their Glasgow to Portsmouth flight should consider departing on Friday at midday when fares are most often at their lowest. Wednesday at midday flights should be avoided if possible as fares are typically the most expensive at this time.
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 23 August 2026.
Read reviews from past customers who have flown with easyJet
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.
On time departure. Clean comfortable aircraft and fantastic friendly crew.
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 (91%), Japan Airlines (88%) or Qatar Airways (86%) 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 £2,325, our data shows the cheapest flight currently is £66. When looking at the most popular route, (Glasgow Intl - Southampton Eastleigh), you can expect to pay £41 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.
Discover the top 5 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 7,457,451 searches. Data last updated 23 August 2026.
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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