Which airports can I use when flying from Southampton to London Heathrow Airport?

Flights from Southampton to London Heathrow Airport usually depart from Southampton Eastleigh (SOU) and arrive at London Heathrow (LHR).

Which cabin classes can I book on flights from Southampton to London Heathrow Airport?

Only Economy class is available on flights from Southampton to London Heathrow Airport.

Which airports do connecting flights from Southampton to London Heathrow Airport pass through?

Most connecting flights from Southampton to London Heathrow Airport pass through Belfast City (BHD), which handles 100% of one-stop traffic on this route.

Can I save money by using flexible dates for flights from Southampton to London Heathrow Airport?

Yes. Flexible dates can save you up to 54% on flights from Southampton to London Heathrow Airport. Saturday is the cheapest departure day at £459 return on average, while Tuesday is the most expensive at £994, a difference of £535. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

What popular places can I visit in London Heathrow Airport?

Some of the most popular sights in London Heathrow Airport are Hyde Park, Tower Bridge, and Royal Albert Hall. These are among the most viewed places in London Heathrow Airport on KAYAK.

Do I need a passport to fly from Southampton to London Heathrow Airport?

No, a passport is not required for this domestic route, but you will need another form of identification, such as a driving licence.

Have flight prices from Southampton to London Heathrow Airport changed much recently?

Yes. Based on fares seen in the past 5 days, return flight prices on this route showed a wide range, from about £191 to £632. That means the highest observed fare was about 3x higher than the lowest one.

How are flight prices from Southampton to London Heathrow Airport looking right now?

One-way fares from Southampton to London Heathrow Airport are currently lower than usual. Average one-way flight prices are about £144, which is 24% below the typical average for this route.

Which car hire options are available at London Heathrow Airport (LHR)?

London Heathrow Airport (LHR) hosts 5 major car hire companies, with daily rates averaging £29 for economy cars. Top options include: • GREEN MOTION • DRIVALIA • Europcar • Alamo • Rentacar

Which airline is the cheapest to fly from Southampton to London Heathrow Airport?

KLM (£200) offered the cheapest return ticket from Southampton to London Heathrow Airport in the last 5 days.

What is the cheapest stopover airport when flying from Southampton to London Heathrow Airport?

Flights via Belfast City (BHD) offer the most affordable fares, with an average return price of £447. Based on KAYAK data over the past 3 months.

When flying from Southampton to London Heathrow Airport, which airport offers the shortest stopover?

Belfast City (BHD) had the shortest average connection time for Southampton to London Heathrow Airport stopovers at 3h 35m over the past 3 months.

£122 CHEAP FLIGHTS from Southampton to London Heathrow (SOU - LHR)

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Cheapest return flight

£191

Typical prices: £379-£587

Multiple Airlines

Fri 21/12Fri 28/12

SOU - LHR • 1 stop

Cheapest one-way flight

£109

Typical prices: £151-£196

Multiple Airlines

Tue 11/12

SOU - LHR • 2 stops

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Flight Deals

Cheap Flights from Southampton to Heathrow (SOU-LHR)

Discover the best prices for you by selecting your travel dates on KAYAK.

Return

One-way

Last minute

Recent return flight deals from Southampton to Heathrow

Mon, 21 Dec - Mon, 28 Dec

19:25 - 09:10SOU Southampton Eastleigh-LHR London Heathrow

13h 45m1 stop Barcelona-El Prat

09:55 - 18:50LHR London Heathrow-SOU Southampton Eastleigh

8h 55m1 stop Barcelona-El Prat

£191Multiple Airlines

Thu, 31 Dec - Wed, 6 Jan

17:35 - 20:50SOU Southampton Eastleigh-LHR London Heathrow

3h 15m1 stop Amsterdam Schiphol

10:00 - 16:50LHR London Heathrow-SOU Southampton Eastleigh

6h 50m1 stop Amsterdam Schiphol

£200KLM

Thu, 24 Dec - Thu, 31 Dec

17:35 - 20:50SOU Southampton Eastleigh-LHR London Heathrow

3h 15m1 stop Amsterdam Schiphol

08:40 - 17:05LHR London Heathrow-SOU Southampton Eastleigh

8h 25m1 stop Amsterdam Schiphol

£217KLM

Thu, 24 Dec - Thu, 31 Dec

17:35 - 20:50SOU Southampton Eastleigh-LHR London Heathrow

3h 15m1 stop Amsterdam Schiphol

20:25 - 08:10LHR London Heathrow-SOU Southampton Eastleigh

11h 45m1 stop Amsterdam Schiphol

£217KLM

Thu, 31 Dec - Wed, 6 Jan

14:25 - 21:25SOU Southampton Eastleigh-LHR London Heathrow

7h 00m1 stop Geneva Geneve-Cointrin

07:00 - 14:35LHR London Heathrow-SOU Southampton Eastleigh

7h 35m1 stop Geneva Geneve-Cointrin

£218Multiple Airlines

Thu, 31 Dec - Wed, 6 Jan

14:25 - 21:25SOU Southampton Eastleigh-LHR London Heathrow

7h 00m1 stop Geneva Geneve-Cointrin

07:00 - 14:35LHR London Heathrow-SOU Southampton Eastleigh

7h 35m1 stop Geneva Geneve-Cointrin

£219Multiple Airlines

Thu, 24 Dec - Thu, 31 Dec

17:35 - 20:50SOU Southampton Eastleigh-LHR London Heathrow

3h 15m1 stop Amsterdam Schiphol

08:40 - 17:05LHR London Heathrow-SOU Southampton Eastleigh

8h 25m1 stop Amsterdam Schiphol

£219KLM

Thu, 24 Dec - Thu, 31 Dec

17:35 - 20:50SOU Southampton Eastleigh-LHR London Heathrow

3h 15m1 stop Amsterdam Schiphol

20:25 - 08:10LHR London Heathrow-SOU Southampton Eastleigh

11h 45m1 stop Amsterdam Schiphol

£219KLM

Mon, 14 Dec - Thu, 17 Dec

17:45 - 20:50SOU Southampton Eastleigh-LHR London Heathrow

3h 05m1 stop Amsterdam Schiphol

20:25 - 08:10LHR London Heathrow-SOU Southampton Eastleigh

11h 45m1 stop Amsterdam Schiphol

£219KLM

Thu, 31 Dec - Wed, 6 Jan

12:35 - 21:15SOU Southampton Eastleigh-LHR London Heathrow

8h 40m1 stop Belfast City

07:00 - 12:05LHR London Heathrow-SOU Southampton Eastleigh

5h 05m1 stop Belfast City

£362British Airways

Booking Insights

Price, demand, and travel trends for Southampton to London Heathrow Airport flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights with more confidence.

Airlines

Stopovers

Which airline is the cheapest to fly from Southampton to London Heathrow Airport?: KLM (£200) offered the cheapest return ticket from Southampton to London Heathrow Airport in the last 5 days.

Find deals

Cheapest flight	£109

One-way flight from Southampton to London Heathrow Airport

When to book flights from Southampton to Heathrow

Are your dates flexible? Find out the best times to travel from Southampton to Heathrow based on our flight data from the last year. Discover the cheapest month and even day to fly.

Estimated return price

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or returns with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

Which cabin classes can I book on flights from Southampton to London Heathrow Airport?
Only Economy class is available on flights from Southampton to London Heathrow Airport.
Do I need a passport to fly from Southampton to London Heathrow Airport?
No, a passport is not required for this domestic route, but you will need another form of identification, such as a driving licence.
Have flight prices from Southampton to London Heathrow Airport changed much recently?
Yes. Based on fares seen in the past 5 days, return flight prices on this route showed a wide range, from about £191 to £632. That means the highest observed fare was about 3x higher than the lowest one.
How are flight prices from Southampton to London Heathrow Airport looking right now?
One-way fares from Southampton to London Heathrow Airport are currently lower than usual. Average one-way flight prices are about £144, which is 24% below the typical average for this route.
Which car hire options are available at London Heathrow Airport (LHR)?
London Heathrow Airport (LHR) hosts 5 major car hire companies, with daily rates averaging £29 for economy cars. Top options include:

• GREEN MOTION
• DRIVALIA
• Europcar
• Alamo
• Rentacar
Which airports can I use when flying from Southampton to London Heathrow Airport?
Flights from Southampton to London Heathrow Airport usually depart from Southampton Eastleigh (SOU) and arrive at London Heathrow (LHR).
Which airports do connecting flights from Southampton to London Heathrow Airport pass through?
Most connecting flights from Southampton to London Heathrow Airport pass through Belfast City (BHD), which handles 100% of one-stop traffic on this route.
Can I save money by using flexible dates for flights from Southampton to London Heathrow Airport?
Yes. Flexible dates can save you up to 54% on flights from Southampton to London Heathrow Airport. Saturday is the cheapest departure day at £459 return on average, while Tuesday is the most expensive at £994, a difference of £535.

Cheaper weekend fares like these are typical of routes dominated by weekday business travel.
What popular places can I visit in London Heathrow Airport?
Some of the most popular sights in London Heathrow Airport are Hyde Park, Tower Bridge, and Royal Albert Hall. These are among the most viewed places in London Heathrow Airport on KAYAK.

If your dates are flexible, aim for a Saturday departure and avoid flying on Tuesday. On this route, Saturday flights average £459, about £535 less than Tuesday fares (54% savings) based on the last 12 months.
If you're arriving late at night and need somewhere to stay, check out these hotels close to London Heathrow Airport.

• Hilton London Heathrow Airport

Direct departures

Southampton Eastleigh to London Heathrow

Monday

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Tuesday

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Wednesday

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Thursday

AccesRail

Friday

AccesRail

Saturday

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Sunday

AccesRail

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London Heathrow to Southampton Eastleigh

Monday

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Tuesday

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Wednesday

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Thursday

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Friday

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Saturday

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Sunday

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SOU - LHR

£122 Find Cheap Flights from Southampton to London Heathrow Airport – Compare and Save

Everything you should know

Cheap Flights from Southampton to Heathrow (SOU-LHR)

Recent return flight deals from Southampton to Heathrow

Recent one-way flight deals from Southampton to Heathrow

Recent last minute flight deals from Southampton to Heathrow

Price, demand, and travel trends for Southampton to London Heathrow Airport flights

Which airline is the cheapest to fly from Southampton to London Heathrow Airport?

What is the cheapest stopover airport when flying from Southampton to London Heathrow Airport?

When flying from Southampton to London Heathrow Airport, which airport offers the shortest stopover?

Key details for Southampton to London Heathrow Airport flights

Cheapest flight

When to book flights from Southampton to Heathrow

Your Southampton to London Heathrow Airport flight questions, answered

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