Question 1

What is the cheapest day to fly from Glasgow to Portsmouth?

Accepted Answer

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

Question 2

E

Accepted Answer

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.

Question 3

E

Accepted Answer

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).

Question 4

What are the cheapest flights from Glasgow to Portsmouth?

Accepted Answer

While on average a flight from Glasgow to Portsmouth is generally £801, our data shows the cheapest flight currently is £86. When looking at the most popular route, (Glasgow Intl - Southampton Eastleigh), you can expect to pay £51 for that flight.

Question 5

What are the most reliable airlines from Glasgow to Portsmouth?

Accepted Answer

No one likes to see their flight delayed. When booking a flight from Glasgow to Portsmouth consider choosing American Airlines (84%), British Airways (81%) or Royal Air Maroc (81%) as they are the most reliable in getting you off to your destination on time.

Question 6

What is the cheapest time of day to fly from GLA to P0R?

Accepted Answer

It’s typically best to fly out from Glasgow to Portsmouth in the evening. Doing so could potentially save you 33% on the flight price compared to flying in the morning, which is usually more expensive.

Question 7

Can I find deals for flights from Glasgow to Portsmouth that include hotel bookings?

Accepted Answer

Yes. In addition to deals on Glasgow to Portsmouth flights, Cheapflights offers holiday packages that include both flights and hotel.

Question 8

How can I find direct flights from Glasgow to Portsmouth?

Accepted Answer

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Glasgow to Portsmouth.

Question 9

Can I find deals for business class flights from Glasgow to Portsmouth?

Accepted Answer

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.

Question 10

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

Accepted Answer

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!

Question 11

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

Accepted Answer

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.

Question 12

Can Cheapflights find flights from Glasgow to Portsmouth with no change fees?

Accepted Answer

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.

Question 13

Can Cheapflights notify me if prices for flights from Glasgow to Portsmouth become cheaper?

Accepted Answer

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.

Popular in	July
Cheapest in	November
Average price	£140

Airline	Cheapest	Average	Flexibility	On-time
easyJet	Cheapest£18	Average£83	FlexibilityNo cancel fee	On-time86%	Search easyJet flights
Ryanair	Cheapest£28	Average£44	FlexibilityNo cancel fee	On-timeN/A	Search Ryanair flights
British Airways	Cheapest£65	Average£179	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Loganair	Cheapest£176	Average£217	FlexibilityNo cancel fee	On-time79%	Search Loganair flights

Cheap flights from Glasgow to Portsmouth

Find flight deals from Glasgow to Portsmouth

Popular in

Cheapest in

Average price

Cheapflights Insights

What is the cheapest time of day to fly from GLA to P0R?

It’s typically best to fly out from Glasgow to Portsmouth in the evening. Doing so could potentially save you 33% on the flight price compared to flying in the morning, which is usually more expensive.

What is the cheapest day to fly from Glasgow to Portsmouth?

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

Reviews of airlines servicing Portsmouth

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.

Related info for your journey

What are the most reliable airlines from Glasgow to Portsmouth?

What are the cheapest flights from Glasgow to Portsmouth?

Can I find deals for flights from Glasgow to Portsmouth that include hotel bookings?

How can I find direct flights from Glasgow to Portsmouth?

Can I find deals for business class flights from Glasgow to Portsmouth?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Glasgow to Portsmouth

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Portsmouth by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to England

Book a non-stop flight to one of these other cities located in England.

Search flights from Glasgow to Portsmouth by cabin class

Find flights from Glasgow to Portsmouth, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Glasgow and Portsmouth flights

Browse other Glasgow and Portsmouth flight options. Last updated on 4 October 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Glasgow to Portsmouth flights

Consider these flights travelling from Glasgow to Portsmouth.

Top 4 airlines flying from Glasgow to Portsmouth

Fly with Cheapflights

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

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

Can Cheapflights find flights from Glasgow to Portsmouth with no change fees?

Can Cheapflights notify me if prices for flights from Glasgow to Portsmouth become cheaper?

100% Free

Book with Flexibility

Travel Smart