Cheap flights from Southampton to Heathrow

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How to find the cheapest flight from
Southampton (SOU) to Heathrow (LHR)

All the information you need to plan the best SOU to LHR flight in 2021: compare Southampton to Heathrow flight prices with the expected peak season, weather and rainfall in Heathrow.
How far in advance should I book a flight from Southampton to Heathrow?

Users have found that booking a flight from Southampton to Heathrow at least 58 days early can save you up to 37% on average compared to booking a flight this week. If booking 58 days before your flight isn’t an option for you, users have found flights from Southampton to Heathrow for as little as £82 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as £99 for flights departing within the next 3 days.

What is the cheapest month to fly from Southampton to Heathrow?

Due to multiple factors, expect to potentially pay more when booking in December. For low rates, March can be a great choice for travel to Heathrow. Flights to Heathrow from Southampton in March are about £75 on average during March, but can be found for as low as £47.

Cheap flights from Southampton to Heathrow in April, May 2021

The best prices found for SOU to LHR flights in April, May
15 Apr - 18 Apr
£533pp
SOU
Southampton Eastleigh
Multiple airlines
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
Multiple Airlines
 
1 STOP
SOU
Southampton Eastleigh
15 Apr - 18 Apr
£603pp
SOU
Southampton Eastleigh
Multiple airlines
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
Multiple Airlines
     
3 STOPS
SOU
Southampton Eastleigh

Southampton to Heathrow 2021 flight deals

Cheap flights to Heathrow from Southampton found for this year
15 Apr - 18 Apr
£533pp
SOU
Southampton Eastleigh
Multiple airlines
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
Multiple Airlines
 
1 STOP
SOU
Southampton Eastleigh
15 Apr - 18 Apr
£603pp
SOU
Southampton Eastleigh
Multiple airlines
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
Multiple Airlines
     
3 STOPS
SOU
Southampton Eastleigh

One-way flights to Heathrow from Southampton

The cheapest one-way flights from Southampton to Heathrow
06:15 - 05:10
Multiple Airlines
1 stop
22h 55m
SOU - LHR
Multiple Airlines
£91
Kiwi.com
09:30 - 10:20
Multiple Airlines
1 stop
24h 50m
SOU - LHR
Multiple Airlines
£161
Kiwi.com
14:10 - 17:15
Multiple Airlines
2 stops
27h 05m
SOU - LHR
Multiple Airlines
£99
Kiwi.com

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Southampton</span> to <span class="emphasized">Heathrow</span> flights.

Flight FAQs

From Southampton to Heathrow

Are flight prices decreasing from Southampton to Heathrow due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Southampton and Heathrow for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

Which airlines flying from Southampton Eastleigh to London Heathrow have flexible cancellations due to COVID-19?

AccesRail and Flybe are some of the carriers that may have flexible cancellation policies. You can use our site to filter for other airlines that may also have this kind of flexibility.

Does it rain more in Southampton or Heathrow?

The rainfall in Southampton is generally same as the rainfall in Heathrow. This will continue over the next 13 days.

Is Southampton weather warmer or cooler than Heathrow?

Expect the weather to be around 24 °C on average in July. As the temperature peaks, try to get your plans done early, as flight price and availability will have an impact on your travels. The climate in Heathrow is generally hotter than in Southampton.

Alternative routes for Southampton to Heathrow

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

Destination information for Heathrow

Things to know before you go - useful duration and weather info for your trip from Southampton to Heathrow.
Average temperature for April in Heathrow
14.0 °C
Avg rainfall for April in Heathrow
48.0 mm

Airports servicing Southampton

Airports servicing London

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