Cheap flights from Southampton to London

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

Flights from Southampton to London Heathrow Airport lean towards being more expensive in March. Prices are generally better when you fly from Southampton to London Heathrow Airport in August, with the cheapest ticket starting at £43.

When is the cheapest time to fly from Southampton to London Heathrow Airport (SOU - LHR)?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Southampton to London Heathrow Airport as you normally would.

Cheap flights from Southampton to Heathrow in January, February 2022

The best prices found for SOU to LHR flights in January, February
28 Jan - 30 Jan
SOU

Southampton Eastleigh

LHR

London Heathrow

1 stop

9h 10m
LHR

London Heathrow

SOU

Southampton Eastleigh

1 stop

5h 35m
£285

Multiple Airlines

View Deal

Deal found 24/1/22

30 Jan - 5 Feb
SOU

Southampton Eastleigh

LHR

London Heathrow

1 stop

7h 45m
LHR

London Heathrow

SOU

Southampton Eastleigh

1 stop

4h 05m
£314

British Airways

View Deal

Deal found 23/1/22

28 Jan - 30 Jan
SOU

Southampton Eastleigh

LHR

London Heathrow

3 stops

27h 25m
LHR

London Heathrow

SOU

Southampton Eastleigh

3 stops

29h 20m
£364

Multiple Airlines

View Deal

Deal found 24/1/22

Southampton to Heathrow 2022 flight deals

Cheap flights to Heathrow from Southampton found for this year
28 Jan - 30 Jan
SOU

Southampton Eastleigh

LHR

London Heathrow

1 stop

9h 10m
LHR

London Heathrow

SOU

Southampton Eastleigh

1 stop

5h 35m
£285

Multiple Airlines

View Deal

Deal found 24/1/22

30 Jan - 5 Feb
SOU

Southampton Eastleigh

LHR

London Heathrow

1 stop

7h 45m
LHR

London Heathrow

SOU

Southampton Eastleigh

1 stop

4h 05m
£314

British Airways

View Deal

Deal found 23/1/22

28 Jan - 30 Jan
SOU

Southampton Eastleigh

LHR

London Heathrow

3 stops

27h 25m
LHR

London Heathrow

SOU

Southampton Eastleigh

3 stops

29h 20m
£364

Multiple Airlines

View Deal

Deal found 24/1/22

Last-minute flights from Southampton to Heathrow

Late deals on return flights to Heathrow from Southampton, departing today and this week
30 Jan - 5 Feb
SOU

Southampton Eastleigh

LHR

London Heathrow

1 stop

7h 45m
LHR

London Heathrow

SOU

Southampton Eastleigh

1 stop

4h 05m
£314

British Airways

View Deal

Deal found 23/1/22

One-way flights to London Heathrow from Southampton

The cheapest one-way flights from Southampton to Heathrow
5 Jun
SOU

Southampton Eastleigh

LHR

London Heathrow

1 stop

23h 10m
£105

Multiple Airlines

View Deal

Deal found 23/1/22

5 Jun
SOU

Southampton Eastleigh

LHR

London Heathrow

2 stops

18h 50m
£137

Multiple Airlines

View Deal

Deal found 23/1/22

5 Jun
SOU

Southampton Eastleigh

LHR

London Heathrow

1 stop

13h 55m
£176

Loganair

View Deal

Deal found 24/1/22

Related info for your journey

Useful info, stats and facts about Southampton to Heathrow flights.

What airport do you fly from for flights from Southampton to London Heathrow?

Southampton Eastleigh (SOU) is the airport you will fly out of if you book a flight from Southampton to London Heathrow. You should not have trouble finding flights to London Heathrow from Eastleigh; the airport handles an average of 0 outbound flights to London Heathrow per day. You should also have plenty of airline options to choose from since 2 airlines have flights from the Southampton airport to London Heathrow. It is only a 3.5 mi journey to Eastleigh (SOU) from Southampton’s city center.

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.

Are there last-minute flights available from Southampton to London Heathrow Airport for under £400?

There are currently 1+ open flights from Southampton to London Heathrow Airport within the next 7 days for less than £400.

What are the cheapest flights from Southampton to London Heathrow Airport?

While on average a flight from Southampton to London Heathrow Airport is generally £26, our data shows the cheapest flight currently is £26. When looking at the most popular route, (Southampton Eastleigh - London Heathrow), you can expect to pay £314 for that flight.

Alternative routes for Southampton to Heathrow

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

Top airline flying from Southampton to Heathrow

The chart below displays the airlines Cheapflights users travelling from Southampton to Heathrow choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-timeCOVID-19 safety
AccesRail
Cheapest£49
Average£52
FlexibilityNo cancel fee
On-timeN/A
COVID-19 safety

Hourly flight availability from Southampton to Heathrow

See what time of day planes typically take off from Southampton to Heathrow
39%of flight departuresEarly morningMidnight to 6 am
16%of flight departuresMorning6 am to noon
45%of flight departuresAfternoonNoon to 6 pm
0%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM