Cheap flights from London Heathrow Airport to Southampton from £84
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London Heathrow Airport to Southampton departing on 9/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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KLM flights from London Heathrow Airport to Southampton
Our best KLM deals on London Heathrow Airport to Southampton flight tickets
British Airways flights from London Heathrow Airport to Southampton
Our best British Airways deals on London Heathrow Airport to Southampton flight tickets
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How to get the cheapest flight ticket from London Heathrow Airport to Southampton
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest day to depart on your flight to Southampton?
Our data shows that Wednesday is the least expensive day to fly to Southampton. Tickets to fly out on this day can be as low as £0. If your travel schedule is flexible, try to avoid departing on a Tuesday because tickets tend to average around £371. These prices are subject to change though, so be sure to set up a Price Alert for flights to Southampton.
What is the cheapest time of day to depart on your flight to Southampton?
According to our data, the cheapest time of day to fly to Southampton is in the afternoon. momondo users have found flights departing from London Heathrow Airport to Southampton in the afternoon for as low as £0. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are £303 on average. Flights to Southampton from London Heathrow Airport in the morning are generally more expensive because this time of day is more convenient for travellers’ schedules.
When to book flights from London Heathrow Airport to Southampton
Cheap London Heathrow Airport to Southampton (LHR to SOU) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from London Heathrow Airport to Southampton
How far is London Heathrow to Southampton Eastleigh by plane?
London Heathrow and Southampton Eastleigh are 56.4 mi apart from one another. Flights usually cover this in 4h 05m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from London Heathrow Airport to Southampton Eastleigh Airport?
Prices for flights from London Heathrow Airport to Southampton Eastleigh Airport are refreshed on a daily basis.
How many operators does momondo search for flights from London Heathrow Airport to Southampton Eastleigh Airport?
As of April 2025, there is 1 operator available to choose from for flights from London Heathrow Airport to Southampton Eastleigh Airport.
How old do you have to be to fly from London Heathrow Airport to Southampton Eastleigh Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from London Heathrow Airport to Southampton Eastleigh Airport.
What documentation or ID do you need to fly to Southampton Eastleigh Airport?
The travel and health documents required for your trip to Southampton Eastleigh Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Southampton Eastleigh Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular airline from London Heathrow Airport to Southampton?
momondo data reveals that the most frequently booked airline on the route from London Heathrow Airport to Southampton is KLM, representing 100% of all bookings.
Best airlines flying from London Heathrow Airport to Southampton
Compare and see reviews for airlines that fly from London Heathrow Airport to Southampton with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom £205 | Free Cancellation | Rating 7.8 1,323 reviews |
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Why should I use momondo to find a flight deal from London to Southampton?
momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from London to Southampton . Millions of users trust and use momondo every year so you are in good hands.
Can I find flights from London to Southampton with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to Southampton from London with this policy.
How can momondo help me find flights from London to Southampton?
Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Southampton from London.
I’m not ready to book a flight from London to Southampton right now. Can momondo alert me if prices change?
If you are simply researching potential flights to Southampton, momondo offers a useful price alert feature which will track prices for flights to Southampton from London and alert you when they change.