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Cheap flights from Southampton to London Heathrow Airport from £172

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 17/7. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
SOU — LHR
24 Apr — 1 May1
1 adult
Wed 24/4
Wed 1/5

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 British Airways flights from Southampton to Heathrow

Explore cheap flight options specifically provided by British Airways for the route between Southampton and Heathrow. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 899,432 searches. Data last updated 19 April 2024.
Find some of the cheapest British Airways flights travelling from Southampton to London. Make sure to check back often as deals are often changing.
Mon 23/916:15SOU - LHR
1 stop15h 05mBritish Airways
Thu 26/918:30LHR - SOU
1 stop15h 20mBritish Airways
Deal found 17/4£371
Mon 17/616:30SOU - LHR
1 stop5h 55mBritish Airways
Mon 24/607:45LHR - SOU
1 stop7h 25mBritish Airways
Deal found 18/4£432
Sat 18/514:00SOU - LHR
1 stop6h 00mBritish Airways
Sat 25/520:55LHR - SOU
1 stop12h 30mBritish Airways
Deal found 18/4£437
Wed 29/512:35SOU - LHR
1 stop8h 15mBritish Airways
Fri 31/512:10LHR - SOU
2 stops7h 00mBritish Airways
Deal found 18/4£534
Fri 3/516:30SOU - LHR
1 stop4h 25mBritish Airways
Fri 10/507:55LHR - SOU
1 stop4h 05mBritish Airways
Deal found 19/4£653

Cheap KLM flights from Southampton to Heathrow

Explore cheap flight options specifically provided by KLM for the route between Southampton and Heathrow. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 899,432 searches. Data last updated 19 April 2024.
Take a gander at the lowest prices we've found on KLM flights from Southampton to London. Deals are refreshing constantly so come back soon for more options.
Wed 15/507:55SOU - LHR
1 stop8h 20mKLM
Wed 22/508:40LHR - SOU
1 stop8h 10mKLM
Deal found 19/4£213
Thu 30/517:20SOU - LHR
1 stop3h 35mKLM
Mon 3/614:45LHR - SOU
1 stop4h 25mKLM
Deal found 19/4£239
Tue 30/417:20SOU - LHR
1 stop3h 35mKLM
Tue 7/511:45LHR - SOU
1 stop7h 25mKLM
Deal found 19/4£298

Cheap Southampton to Heathrow flights in April & May 2024

Find cheap flight options from Southampton to Heathrow specifically for the months of April and May 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 899,432 searches. Prices were last updated on 19 April 2024.
These are some of the best deals we've found on flights to London in 2024 at this time. Check back soon for alternative fares.
Wed 15/507:55SOU - LHR
1 stop8h 20mKLM
Wed 22/520:55LHR - SOU
1 stop10h 30mKLM
Deal found 19/4£213
Thu 30/517:20SOU - LHR
1 stop3h 35mKLM
Mon 3/614:45LHR - SOU
1 stop4h 25mKLM
Deal found 19/4£239
Tue 30/407:55SOU - LHR
1 stop9h 40mKLM
Tue 7/511:45LHR - SOU
1 stop7h 25mKLM
Deal found 18/4£298
Wed 29/509:15SOU - LHR
1 stop11h 45mMultiple Airlines
Fri 31/519:20LHR - SOU
1 stop13h 25mMultiple Airlines
Deal found 18/4£322
Sun 21/420:20SOU - LHR
3 stops25h 00mMultiple Airlines
Sat 4/521:10LHR - SOU
1 stop12h 00mMultiple Airlines
Deal found 18/4£324
Mon 22/419:40SOU - LHR
1 stop12h 00mKLM
Mon 29/420:55LHR - SOU
1 stop10h 30mKLM
Deal found 18/4£344
Sun 21/420:20SOU - LHR
3 stops25h 00mMultiple Airlines
Sat 4/520:50LHR - SOU
2 stops23h 00mMultiple Airlines
Deal found 18/4£394
Sat 18/514:00SOU - LHR
1 stop6h 00mBritish Airways
Sat 25/520:55LHR - SOU
1 stop12h 30mBritish Airways
Deal found 18/4£437
Sun 21/419:40SOU - LHR
1 stop12h 00mKLM
Sat 4/506:30LHR - SOU
1 stop10h 20mKLM
Deal found 18/4£471

Southampton to Heathrow 2024 flight deals

Discover exclusive flight deals for travel between Southampton and Heathrow in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 899,432 searches. Data last updated 19 April 2024.
These are some of the best deals we've found on flights to London in 2024 at this time. Check back soon for alternative fares.
Wed 15/507:55SOU - LHR
1 stop8h 20mKLM
Wed 22/520:55LHR - SOU
1 stop10h 30mKLM
Deal found 19/4£213
Thu 30/517:20SOU - LHR
1 stop3h 35mKLM
Mon 3/614:45LHR - SOU
1 stop4h 25mKLM
Deal found 19/4£239
Tue 30/407:55SOU - LHR
1 stop9h 40mKLM
Tue 7/511:45LHR - SOU
1 stop7h 25mKLM
Deal found 18/4£298
Wed 29/509:15SOU - LHR
1 stop11h 45mMultiple Airlines
Fri 31/519:20LHR - SOU
1 stop13h 25mMultiple Airlines
Deal found 18/4£322
Sun 21/420:20SOU - LHR
3 stops25h 00mMultiple Airlines
Sat 4/521:10LHR - SOU
1 stop12h 00mMultiple Airlines
Deal found 18/4£324
Mon 10/616:15SOU - LHR
1 stop5h 05mMultiple Airlines
Sun 16/621:15LHR - SOU
1 stop10h 45mMultiple Airlines
Deal found 18/4£328
Mon 22/419:40SOU - LHR
1 stop12h 00mKLM
Mon 29/420:55LHR - SOU
1 stop10h 30mKLM
Deal found 18/4£344
Mon 23/919:40SOU - LHR
1 stop15h 00mBritish Airways
Thu 26/920:45LHR - SOU
1 stop13h 05mBritish Airways
Deal found 18/4£371
Sun 21/420:20SOU - LHR
3 stops25h 00mMultiple Airlines
Sat 4/520:50LHR - SOU
2 stops23h 00mMultiple Airlines
Deal found 18/4£394

One-way flights to Heathrow from Southampton

Search for one-way flight options from Southampton to Heathrow. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 899,432 searches. Data last updated 19 April 2024.
Some of the best available deals we've found on one-way flights from Southampton to London. Users in need of a round-trip flight from Southampton to London instead should update the search form at the top of page.
Wed 17/708:30SOU - LHR
1 stop4h 00mBritish Airways
Deal found 18/4£172
Tue 21/516:30SOU - LHR
1 stop5h 20mBritish Airways
Deal found 19/4£181
Sat 29/616:00SOU - LHR
1 stop5h 25mBritish Airways
Deal found 18/4£238

Find flights from Southampton to Heathrow within your budget

Customise your flight search to find flights from Southampton to Heathrow that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 899,432 searches. Data last updated 19 April 2024.

Fly from

Any airport

Fly to

Any airport

Budget

£213 - £488

Route

Depart

Return

Price

Southampton EastleighLondon Heathrow

SOU - LHR

SOULHR

Southampton Eastleigh

Wed 15/5

1 stop8h 20m

London Heathrow

Wed 22/5

1 stop8h 10m

£213

Southampton EastleighLondon Heathrow

SOU - LHR

SOULHR

Southampton Eastleigh

Thu 30/5

1 stop3h 35m

London Heathrow

Mon 3/6

1 stop4h 25m

£239

Southampton EastleighLondon Heathrow

SOU - LHR

SOULHR

Southampton Eastleigh

Tue 30/4

1 stop3h 35m

London Heathrow

Tue 7/5

1 stop7h 25m

£298

Southampton EastleighLondon Heathrow

SOU - LHR

SOULHR

Southampton Eastleigh

Wed 29/5

1 stop11h 45m

London Heathrow

Fri 31/5

1 stop13h 25m

£322

Southampton EastleighLondon Heathrow

SOU - LHR

SOULHR

Southampton Eastleigh

Mon 10/6

1 stop5h 05m

London Heathrow

Sun 16/6

1 stop10h 45m

£328

Southampton EastleighLondon Heathrow

SOU - LHR

SOULHR

Southampton Eastleigh

Mon 23/9

1 stop15h 05m

London Heathrow

Thu 26/9

1 stop15h 20m

£371

Southampton EastleighLondon Heathrow

SOU - LHR

SOULHR

Southampton Eastleigh

Mon 17/6

1 stop5h 55m

London Heathrow

Mon 24/6

1 stop7h 25m

£432

Southampton EastleighLondon Heathrow

SOU - LHR

SOULHR

Southampton Eastleigh

Sat 18/5

1 stop6h 00m

London Heathrow

Sat 25/5

1 stop12h 30m

£437

Southampton EastleighLondon Heathrow

SOU - LHR

SOULHR

Southampton Eastleigh

Mon 10/6

1 stop6h 15m

London Heathrow

Sun 16/6

1 stop6h 20m

£488

Flights are sorted by cheapest first

Deals found on 19/4

No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Heathrow. Reviews last updated 19 April 2024.
Get a feel of what it's like to fly with British Airways and KLM from Southampton to London by reading reviews from past customers. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.9
Good
1,641 reviews
Check prices

Entertainment

7.3

Overall

7.9

Comfort

7.6

Crew

8.4

Food

7.3

Boarding

7.8

Reviews

1 / 10

Departure was late. Plane much too small for an 11 hour flight. One bathroom was out of order in a completely full flight.

KLM
7.9
Good
1,641 reviews
KLM
7.9
Good
1,641 reviews
Check prices

Entertainment

7.3

Overall

7.9

Comfort

7.6

Crew

8.4

Food

7.3

Boarding

7.8

Reviews

1 / 10

Departure was late. Plane much too small for an 11 hour flight. One bathroom was out of order in a completely full flight.

Aer Lingus
7.2
Good
1,355 reviews
KLM
7.9
Good
1,641 reviews
Check prices

Entertainment

7.3

Overall

7.9

Comfort

7.6

Crew

8.4

Food

7.3

Boarding

7.8

Reviews

1 / 10

Departure was late. Plane much too small for an 11 hour flight. One bathroom was out of order in a completely full flight.

British Airways
6.9
Okay
6,936 reviews
KLM
7.9
Good
1,641 reviews
Check prices

Entertainment

7.3

Overall

7.9

Comfort

7.6

Crew

8.4

Food

7.3

Boarding

7.8

Reviews

1 / 10

Departure was late. Plane much too small for an 11 hour flight. One bathroom was out of order in a completely full flight.

Related info for your journey

Find useful and relevant information for your journey from Southampton to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • 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 0 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.

  • Can I find flights from Southampton to London Heathrow Airport for under £300 on Cheapflights?

    Yes, there are multiple flights from Southampton to London Heathrow Airport for under £300. The cheapest flight booked recently is on KLM for just £213, but on average you can expect to pay £392.

  • What does SOU to LHR mean?

    Great question - SOU to LHR just means Southampton Eastleigh Airport to London Heathrow Airport. Now you’ll know what these unique codes when you look for flights!

  • Can I find deals for flights from Southampton to Heathrow that include extra baggage allowance?

    The amount of baggage you can bring on your Southampton to Heathrow flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Southampton to Heathrow with specific airlines?

    Yes, Cheapflights allows you to browse and filter Southampton to Heathrow flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from Southampton to Heathrow that include hotel bookings?

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

  • How can I find direct flights from Southampton to Heathrow?

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

  • Can I find deals for business class flights from Southampton to Heathrow?

    Yes. Cheapflights offers flight deals from Southampton to Heathrow by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from Southampton to Heathrow that allow pets onboard?

    Many airlines flying from Southampton to Heathrow offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Southampton to Heathrow?

    Yes, you can often find last-minute deals on Southampton to Heathrow flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Southampton to London Heathrow Airport flight deals updated?

    The Southampton to London Heathrow Airport flight deals you see on this page were last updated on 19/4.

See more FAQs

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Search flights from Southampton to Heathrow by cabin class

Find flights from Southampton to Heathrow, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Class
Business Class
Prem Econ Class
Economy class

Hourly flight availability from Southampton to Heathrow

Find hourly flight availability from Southampton to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 19 April 2024.
33%of flight departuresEarly morningMidnight to 6 am
31%of flight departuresMorning6 am to noon
36%of flight departuresAfternoonNoon to 6 pm
0%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Midday
6 PM

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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Southampton to Heathrow?

Cheapflights makes it easy to find Southampton to Heathrow flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Southampton to Heathrow?

Millions of users choose and trust Cheapflights to book the best flight deals from Southampton to Heathrow for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Southampton to Heathrow with no change fees?

Yes, we can. To see specific flights from Southampton to Heathrow with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Southampton to Heathrow become cheaper?

Not ready to book yet? You can track prices for flights from Southampton to Heathrow on Cheapflights with our Price Alert feature and get notified when better prices are available.

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