Cheap flights from Glasgow Intl Airport to Portsmouth
GLA — LHR
31 Oct — 7 Nov1
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 87 days in advance, depart on a Tuesday or Wednesday and return on a Wednesday
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 1 October 2026.
Popular in
July
Cheapest in
November
Average price
£140
Highest demand for flights based on searches. 15% potential increase in price (£15 potential increase over avg. return price).
Everything you need to know about your 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 1 October 2026.
It’s typically best to fly out from Glasgow Intl Airport to Portsmouth in the evening. Doing so could potentially save you 37% on the flight price compared to flying in the morning, which is usually more expensive.
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 26 September 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 1 October 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.
Not sure Why there is no N/A option in questions as there was definitely no entertainment on EasyJet. Or food unless one pays for the dubious plastic-wrapped “ food”.
Not sure Why there is no N/A option in questions as there was definitely no entertainment on EasyJet. Or food unless one pays for the dubious plastic-wrapped “ food”.
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 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 (86%), British Airways (81%) and Qatar Airways (81%).
What are the cheapest flights from Glasgow Intl Airport to Portsmouth?
On average you can expect to pay £1,442 for a flight from Glasgow Intl Airport to Portsmouth. The cheapest flight overall is £77 while the most popular route, (Glasgow Intl - Southampton Eastleigh) is currently priced at £48.
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 1 October 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 1 October 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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