Cheap flights from Glasgow Intl Airport to Portsmouth from £21
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
30 Sep — 7 Oct1
Return
1 adult
Economy
Return
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Glasgow Intl 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 Intl to Portsmouth
Enter your travel dates to find the best prices.
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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 31 August 2026.
Sun 18/1008:05 -
Nonstop1h 20m
Tue 20/1013:25 -
Nonstop1h 20m
Deal found 28/8£41
Thu 5/1107:20 -
Nonstop1h 20m
Tue 10/1112:25 -
Nonstop1h 20m
Deal found 30/8£49
Wed 30/908:55 -
Nonstop1h 20m
Wed 7/1010:45 -
Nonstop1h 20m
Deal found 31/8£52
Tue 6/1011:30 -
Nonstop1h 20m
Thu 8/1011:40 -
Nonstop1h 20m
Deal found 29/8£64
Mon 7/1215:55 -
Nonstop1h 20m
Sun 13/1214:00 -
Nonstop1h 20m
Deal found 29/8£65
Sat 7/1106:25 -
Nonstop1h 20m
Sat 14/1108:20 -
Nonstop1h 25m
Deal found 27/8£68
Tue 29/911:30 -
Nonstop1h 20m
Wed 30/910:45 -
Nonstop1h 20m
Deal found 30/8£73
Mon 28/907:55 -
1 stop3h 55m
Mon 5/1012:55 -
Nonstop1h 20m
Deal found 31/8£80
Thu 24/909:45 -
Nonstop1h 20m
Thu 1/1011:40 -
Nonstop1h 20m
Deal found 27/8£81
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 31 August 2026.
Sat 17/1006:00 -
Nonstop1h 20m
Wed 21/1010:45 -
Nonstop1h 20m
Deal found 30/8£41
Sun 18/1008:05 -
Nonstop1h 20m
Tue 20/1013:25 -
Nonstop1h 20m
Deal found 28/8£41
Wed 30/908:55 -
Nonstop1h 20m
Wed 7/1010:45 -
Nonstop1h 20m
Deal found 31/8£52
Sun 18/1008:35 -
1 stop3h 30m
Sat 31/1008:20 -
Nonstop1h 25m
Deal found 29/8£64
Tue 6/1011:30 -
Nonstop1h 20m
Thu 8/1011:40 -
Nonstop1h 20m
Deal found 29/8£64
Sat 7/1106:25 -
Nonstop1h 20m
Sat 14/1108:20 -
Nonstop1h 25m
Deal found 26/8£68
Tue 29/911:30 -
Nonstop1h 20m
Wed 30/910:45 -
Nonstop1h 20m
Deal found 29/8£73
Mon 28/907:55 -
1 stop3h 55m
Mon 5/1012:55 -
Nonstop1h 20m
Deal found 30/8£80
Sat 2/106:25 -
Nonstop1h 20m
Mon 4/117:55 -
Nonstop1h 20m
Deal found 29/8£94
Sun 11/1008:05 -
Nonstop1h 20m
Sun 18/1010:00 -
Nonstop1h 20m
Deal found 28/8£100
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 31 August 2026.
Sun 18/1008:05 -
Nonstop1h 20m
Tue 20/1013:25 -
Nonstop1h 20m
Deal found 28/8£41
Thu 5/1107:20 -
Nonstop1h 20m
Tue 10/1112:25 -
Nonstop1h 20m
Deal found 30/8£49
Wed 30/908:55 -
Nonstop1h 20m
Wed 7/1010:45 -
Nonstop1h 20m
Deal found 31/8£52
Tue 6/1011:30 -
Nonstop1h 20m
Thu 8/1011:40 -
Nonstop1h 20m
Deal found 29/8£64
Mon 7/1215:55 -
Nonstop1h 20m
Sun 13/1214:00 -
Nonstop1h 20m
Deal found 29/8£65
Sat 7/1106:25 -
Nonstop1h 20m
Sat 14/1108:20 -
Nonstop1h 25m
Deal found 27/8£68
Tue 29/911:30 -
Nonstop1h 20m
Wed 30/910:45 -
Nonstop1h 20m
Deal found 30/8£73
Sun 14/214:15 -
Nonstop1h 20m
Tue 16/212:25 -
Nonstop1h 20m
Deal found 31/8£78
Thu 24/909:45 -
Nonstop1h 20m
Thu 1/1011:40 -
Nonstop1h 20m
Deal found 27/8£81
Sun 11/1008:05 -
Nonstop1h 20m
Sun 18/1010:00 -
Nonstop1h 20m
Deal found 27/8£85
Last-minute flights from Glasgow Intl to Portsmouth
Discover last-minute flight deals from Glasgow Intl to Portsmouth. Data last updated 31 August 2026 and is based on user searches.
Wed 2/908:55 -
Nonstop1h 20m
Thu 1/1011:40 -
Nonstop1h 20m
Deal found 27/8£83
Wed 16/908:55 -
Nonstop1h 20m
Thu 17/911:40 -
Nonstop1h 20m
Deal found 27/8£69
Tue 22/911:30 -
Nonstop1h 20m
Thu 24/911:40 -
Nonstop1h 20m
Deal found 28/8£92
Thu 24/909:45 -
Nonstop1h 20m
Thu 1/1011:40 -
Nonstop1h 20m
Deal found 27/8£81
Sun 27/907:20 -
1 stop4h 45m
Sun 4/1012:35 -
1 stop18h 50m
Deal found 30/8£81
Mon 28/907:55 -
1 stop3h 55m
Mon 5/1012:55 -
Nonstop1h 20m
Deal found 31/8£80
Tue 29/911:30 -
Nonstop1h 20m
Wed 30/910:45 -
Nonstop1h 20m
Deal found 30/8£73
Wed 30/908:55 -
Nonstop1h 20m
Wed 7/1010:45 -
Nonstop1h 20m
Deal found 31/8£52
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 31 August 2026.
Sat 24/1006:00 -
Nonstop1h 20m
Deal found 27/8£21
Sat 5/1206:25 -
Nonstop1h 20m
Deal found 27/8£26
Wed 9/908:55 -
Nonstop1h 20m
Deal found 27/8£27
Tue 8/1210:25 -
Nonstop1h 20m
Deal found 30/8£27
Thu 1/1009:45 -
Nonstop1h 20m
Deal found 31/8£35
Sun 27/907:20 -
1 stop4h 45m
Deal found 31/8£37
Sun 6/1214:15 -
Nonstop1h 20m
Deal found 28/8£40
Mon 7/1215:55 -
Nonstop1h 20m
Deal found 29/8£41
Sat 5/906:00 -
Nonstop1h 20m
Deal found 26/8£45
Sat 12/906:00 -
Nonstop1h 20m
Deal found 29/8£46
Find 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 31 August 2026.
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 7,457,451 searches. Data last updated 31 August 2026.
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
Cheapest return flight
Fastest return journey
GlasgowSouthampton
GLA Glasgow Intl - SOU Southampton Eastleigh
GLASOU
Glasgow Intl
Sat 17/10
06:00-07:20
Nonstop1h 20m
Southampton Eastleigh
Wed 21/10
10:45-12:05
Nonstop1h 20m
£41
GlasgowSouthampton
GLA Glasgow Intl - SOU Southampton Eastleigh
GLASOU
Glasgow Intl
Sun 18/10
08:05-09:25
Nonstop1h 20m
Southampton Eastleigh
Tue 20/10
13:25-14:45
Nonstop1h 20m
£41
GlasgowSouthampton
GLA Glasgow Intl - SOU Southampton Eastleigh
GLASOU
Glasgow Intl
Wed 30/9
08:55-10:15
Nonstop1h 20m
Southampton Eastleigh
Wed 7/10
10:45-12:05
Nonstop1h 20m
£52
GlasgowSouthampton
GLA Glasgow Intl - SOU Southampton Eastleigh
GLASOU
Glasgow Intl
Sun 18/10
08:35-12:05
1 stop3h 30m
Southampton Eastleigh
Sat 31/10
08:20-09:45
Nonstop1h 25m
£64
GlasgowSouthampton
GLA Glasgow Intl - SOU Southampton Eastleigh
GLASOU
Glasgow Intl
Tue 6/10
11:30-12:50
Nonstop1h 20m
Southampton Eastleigh
Thu 8/10
11:40-13:00
Nonstop1h 20m
£64
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
£68
GlasgowSouthampton
GLA Glasgow Intl - SOU Southampton Eastleigh
GLASOU
Glasgow Intl
Tue 29/9
11:30-12:50
Nonstop1h 20m
Southampton Eastleigh
Wed 30/9
10:45-12:05
Nonstop1h 20m
£73
GlasgowSouthampton
GLA Glasgow Intl - SOU Southampton Eastleigh
GLASOU
Glasgow Intl
Mon 28/9
07:55-11:50
1 stop3h 55m
Southampton Eastleigh
Mon 5/10
12:55-14:15
Nonstop1h 20m
£80
GlasgowSouthampton
GLA Glasgow Intl - SOU Southampton Eastleigh
GLASOU
Glasgow Intl
Sat 2/1
06:25-07:45
Nonstop1h 20m
Southampton Eastleigh
Mon 4/1
17:55-19:15
Nonstop1h 20m
£94
GlasgowSouthampton
GLA Glasgow Intl - SOU Southampton Eastleigh
GLASOU
Glasgow Intl
Sun 11/10
08:05-09:25
Nonstop1h 20m
Southampton Eastleigh
Sun 18/10
10:00-11:20
Nonstop1h 20m
£100
Flights are sorted by cheapest return flights first.
Deals found on 29/8
Showing 1-10 of 19 resultsSorted by cheapest first
1
2
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.
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 Intl Airport to Portsmouth
GLA-P0R
GLA-SOU
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 31 August 2026.
It’s typically best to fly out from Glasgow Intl Airport to Portsmouth in the evening. Doing so could potentially save you 38% 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 Intl Airport to Portsmouth?
Airfare is below average for this route at the moment.
Glasgow Intl Airport to Portsmouth flights typically cost between £88 and £192 in October.The cheapest return price found within the last 5 days was £41 on easyJet (18 Oct–20 Oct).
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 29 August 2026.
Travellers seeking maximum savings on their Glasgow Intl Airport to Portsmouth flight should consider departing on Friday at midday when fares are most often at their lowest. Tuesday 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 31 August 2026.
Read reviews from past customers who have flown with easyJet
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.
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 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?
For as low as £41, 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 (91%), Japan Airlines (88%) and Qatar Airways (86%).
What are the cheapest flights from Glasgow Intl Airport to Portsmouth?
On average you can expect to pay £2,389 for a flight from Glasgow Intl Airport to Portsmouth. The cheapest flight overall is £68 while the most popular route, (Glasgow Intl - Southampton Eastleigh) is currently priced at £41.
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.
Browse through other flights departing from Glasgow Intl. Flights are based on user searches made on Cheapflights and were last updated on 31 August 2026.
Top 3 airlines flying from Glasgow Intl to Portsmouth
Discover the top 3 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 7,457,451 searches. Data last updated 31 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 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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