Question 1

Which airports will I be using when flying from London Heathrow Airport to Portsmouth?

Accepted Answer

When flying out of London Heathrow Airport you’ll be using London Heathrow. Portsmouth does not have its own airport so you’ll be flying into nearby Southampton Eastleigh airport, which is 14.7 mi away. <a href='/flight-routes/London-Heathrow-LHR/Portsmouth-P0R'>Visit our flight page for the latest deals!>/a>

Question 2

How long does a flight from London Heathrow Airport to Portsmouth take?

Accepted Answer

Direct flights cover the 53 miles separating London Heathrow Airport and Portsmouth in about 3h 40m. <a href='/flight-routes/London-Heathrow-LHR/Portsmouth-P0R'>Visit our flight page for the latest deals!>/a>

Question 3

How many flights are there between London Heathrow Airport and Portsmouth?

Accepted Answer

5 direct flights run between London Heathrow Airport and Portsmouth on a daily basis. On average, there are about 35 departures each week. <a href='/flight-routes/London-Heathrow-LHR/Portsmouth-P0R'>Visit our flight page for the latest deals!>/a>

Question 4

What’s the cheapest day of the week to fly between London Heathrow Airport and Portsmouth?

Accepted Answer

Consider leaving on a Wednesday and avoid Saturdays if you're looking for the best rates. For your return to London Heathrow Airport, you’ll find the best rates on Tuesdays and the most expensive ones on Saturdays. Visit our flight page for the latest deals!>/a>

Question 5

How does KAYAK find such low prices on flights from London Heathrow Airport to Portsmouth?

Accepted Answer

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from London Heathrow Airport to Portsmouth. <a href='/flight-routes/London-Heathrow-LHR/Portsmouth-P0R'>Visit our flight page for the latest deals!>/a>

Question 6

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from London Heathrow Airport to Portsmouth?

Accepted Answer

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Portsmouth from London Heathrow Airport is likely to change within 7 days, so travellers know whether to wait or book now. <a href='/flight-routes/London-Heathrow-LHR/Portsmouth-P0R'>Visit our flight page for the latest deals!>/a>

Question 7

What is the Hacker Fare option on flights from London Heathrow Airport to Portsmouth?

Accepted Answer

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to Portsmouth with an airline and back to London Heathrow Airport with another airline. <a href='/flight-routes/London-Heathrow-LHR/Portsmouth-P0R'>Visit our flight page for the latest deals!>/a>

Question 8

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from London Heathrow Airport to Portsmouth?

Accepted Answer

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Portsmouth from London Heathrow Airport up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. <a href='/flight-routes/London-Heathrow-LHR/Portsmouth-P0R'>Visit our flight page for the latest deals!>/a>

Question 9

Which airlines provide the cheapest flights from London Heathrow Airport to Portsmouth?

Accepted Answer

In the last 72 hours, the cheapest one-way ticket between London Heathrow Airport and Portsmouth found on KAYAK was with British Airways for £164. KLM offered a return connection from £227 and British Airways from £321.

£227 Find Cheap Flights from London Heathrow Airport to Portsmouth

KAYAK searches hundreds of travel sites at once for deals on flights from London Heathrow Airport to Portsmouth

Cheap Flights from Heathrow to Portsmouth (LHR-SOU)

Recent return flight deals from Heathrow to Portsmouth

Recent one-way flight deals from Heathrow to Portsmouth

Recent last minute flight deals from Heathrow to Portsmouth

Good to know - Cheap tickets from London Heathrow Airport to Portsmouth

When to book flights from Heathrow to Portsmouth

FAQs for booking flights from London to Portsmouth

Which airports will I be using when flying from London Heathrow Airport to Portsmouth?

When flying out of London Heathrow Airport you’ll be using London Heathrow. Portsmouth does not have its own airport so you’ll be flying into nearby Southampton Eastleigh airport, which is 14.7 mi away.

How long does a flight from London Heathrow Airport to Portsmouth take?

Direct flights cover the 53 miles separating London Heathrow Airport and Portsmouth in about 3h 40m.

How many flights are there between London Heathrow Airport and Portsmouth?

5 direct flights run between London Heathrow Airport and Portsmouth on a daily basis. On average, there are about 35 departures each week.

What’s the cheapest day of the week to fly between London Heathrow Airport and Portsmouth?

Consider leaving on a Wednesday and avoid Saturdays if you're looking for the best rates. For your return to London Heathrow Airport, you’ll find the best rates on Tuesdays and the most expensive ones on Saturdays.

How does KAYAK find such low prices on flights from London Heathrow Airport to Portsmouth?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from London Heathrow Airport to Portsmouth.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from London Heathrow Airport to Portsmouth?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Portsmouth from London Heathrow Airport is likely to change within 7 days, so travellers know whether to wait or book now.

What is the Hacker Fare option on flights from London Heathrow Airport to Portsmouth?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to Portsmouth with an airline and back to London Heathrow Airport with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from London Heathrow Airport to Portsmouth?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Portsmouth from London Heathrow Airport up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Which airlines provide the cheapest flights from London Heathrow Airport to Portsmouth?

In the last 72 hours, the cheapest one-way ticket between London Heathrow Airport and Portsmouth found on KAYAK was with British Airways for £164. KLM offered a return connection from £227 and British Airways from £321.

Top tips for finding cheap flights from London Heathrow Airport to Portsmouth

Everything you need to know for your flight from Heathrow to Portsmouth

Complete your trip to Portsmouth with a hotel stay or car hire

Flights to other popular destinations

Flights from domestic origins to Heathrow

Find deals for your return flight