Find flights
When to book
Airlines
FAQs

Cheap flights from Southampton to Heidelberg from £123

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 28/7. Fares are subject to change and may not be available on all flights or dates of travel.
SOU — FRA
18 May — 25 May1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Southampton to Heidelberg

Enter your travel dates to find the best prices.

Cheapest flights from Southampton to Heidelberg
Explore the most affordable flight options available from Southampton to Heidelberg. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 April 2026.

Fri 29/517:20
SOU
-
FRA
1 stop3h 40m
KLM
Fri 5/618:40
FRA
-
SOU
1 stop15h 05m
KLM
Deal found 14/4£211
Tue 2/617:20
SOU
-
FRA
1 stop3h 40m
KLM
Tue 9/618:40
FRA
-
SOU
1 stop14h 55m
KLM
Deal found 17/4£212
Thu 7/517:20
SOU
-
FRA
1 stop3h 40m
KLM
Mon 11/518:40
FRA
-
SOU
1 stop14h 55m
KLM
Deal found 15/4£213
Sat 30/517:20
SOU
-
FRA
1 stop15h 15m
KLM
Sat 6/618:40
FRA
-
SOU
1 stop15h 05m
KLM
Deal found 15/4£218
Fri 3/720:45
SOU
-
FRA
2 stops17h 15m
Multiple Airlines
Thu 9/721:00
FRA
-
SOU
2 stops24h 15m
Multiple Airlines
Deal found 15/4£243
Sun 17/509:15
SOU
-
FRA
1 stop23h 20m
KLM
Sun 24/510:15
FRA
-
SOU
1 stop23h 20m
KLM
Deal found 17/4£248
Fri 29/509:25
SOU
-
FRA
2 stops22h 35m
Multiple Airlines
Fri 5/621:00
FRA
-
SOU
2 stops23h 30m
Multiple Airlines
Deal found 14/4£258
Mon 1/619:20
SOU
-
FRA
2 stops23h 10m
Multiple Airlines
Mon 8/606:55
FRA
-
SOU
1 stop10h 55m
Multiple Airlines
Deal found 17/4£270
Sun 31/509:15
SOU
-
FRA
1 stop23h 20m
KLM
Sun 7/618:40
FRA
-
SOU
1 stop14h 55m
KLM
Deal found 16/4£272
Sat 30/509:15
SOU
-
FRA
1 stop23h 20m
Multiple Airlines
Sat 6/615:40
FRA
-
SOU
2 stops17h 15m
Multiple Airlines
Deal found 15/4£276
Fri 1/517:20
SOU
-
FRA
1 stop3h 40m
KLM
Sun 3/518:40
FRA
-
SOU
1 stop14h 55m
KLM
Deal found 16/4£279

Find flight deals from Southampton to Heidelberg

Keep the following information in mind while searching for Southampton to Heidelberg flight deals. Data was last updated 18 April 2026.

Round-trip from

£211

One-way from

£123

Popular in

April

Cheapest in

September

Average price

£154
KLM
  • KLM
  • 29/5-5/6
  • 2 total stops
  • 18h 45m total
  • Southampton to Heidelberg
Search Deals
KLM
  • KLM
  • 28/7
  • 1 total stop
  • 11h 45m total
  • Southampton to Heidelberg
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (£5 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£3 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Southampton to Heidelberg 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 858,174 searches. Data last updated 18 April 2026.
Use the filters below to find and compare flights from Southampton to Heidelberg that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SouthamptonFrankfurt am Main

SOU - FRA

SOUFRA

Southampton Eastleigh

Tue 2/6

17:20-22:00

1 stop3h 40m

Frankfurt am Main

Tue 9/6

18:40-08:35

1 stop14h 55m

£212

SouthamptonFrankfurt am Main

SOU - FRA

SOUFRA

Southampton Eastleigh

Thu 7/5

17:20-22:00

1 stop3h 40m

Frankfurt am Main

Mon 11/5

18:40-08:35

1 stop14h 55m

£213

SouthamptonFrankfurt am Main

SOU - FRA

SOUFRA

Southampton Eastleigh

Sat 30/5

17:20-09:35

1 stop15h 15m

Frankfurt am Main

Sat 6/6

18:40-08:45

1 stop15h 05m

£218

SouthamptonFrankfurt am Main

SOU - FRA

SOUFRA

Southampton Eastleigh

Thu 23/7

18:05-11:05

1 stop16h 00m

Frankfurt am Main

Mon 3/8

18:40-08:45

1 stop15h 05m

£218

SouthamptonFrankfurt am Main

SOU - FRA

SOUFRA

Southampton Eastleigh

Fri 1/5

09:25-10:50

2 stops24h 25m

Frankfurt am Main

Sun 3/5

20:40-08:40

1 stop13h 00m

£337
Fastest return journey

SouthamptonFrankfurt am Main

SOU - FRA

SOUFRA

Southampton Eastleigh

Fri 3/7

09:05-13:35

1 stop3h 30m

Frankfurt am Main

Thu 9/7

11:45-17:35

1 stop6h 50m

£349

SouthamptonFrankfurt am Main

SOU - FRA

SOUFRA

Southampton Eastleigh

Sun 17/5

12:05-09:05

2 stops20h 00m

Frankfurt am Main

Sun 24/5

20:40-08:40

1 stop13h 00m

£365

SouthamptonFrankfurt am Main

SOU - FRA

SOUFRA

Southampton Eastleigh

Fri 3/7

06:45-21:45

2 stops38h 00m

Frankfurt am Main

Thu 9/7

06:40-17:45

2 stops12h 05m

£473

SouthamptonFrankfurt am Main

SOU - FRA

SOUFRA

Southampton Eastleigh

Tue 13/10

19:55-13:50

2 stops16h 55m

Frankfurt am Main

Tue 27/10

16:25-08:25

2 stops17h 00m

£494

SouthamptonFrankfurt am Main

SOU - FRA

SOUFRA

Southampton Eastleigh

Tue 14/7

15:15-09:50

2 stops17h 35m

Frankfurt am Main

Tue 28/7

16:25-08:35

2 stops17h 10m

£494

Flights are sorted by cheapest return flights first.

Deals found on 14/4

Showing 1-10 of 17 resultsSorted by cheapest first
1
2

Best time to book a flight from Southampton to Heidelberg

Have a flexible travel schedule? Discover the best time to fly to Heidelberg from Southampton with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Southampton to Heidelberg
No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Heidelberg

Get insights into the airlines that provide service to Heidelberg. 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 Heidelberg. Reviews last updated 18 April 2026.
Read reviews from past customers who have flown with KLM from Southampton to Heidelberg. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,502 reviews
Check prices

Crew

8.4

Entertainment

7.1

Comfort

7.7

Overall

7.8

Food

7.3

Boarding

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
KLM
7.8
Good
1,502 reviews
KLM
7.8
Good
1,502 reviews
Check prices

Crew

8.4

Entertainment

7.1

Comfort

7.7

Overall

7.8

Food

7.3

Boarding

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

Related info for your journey

Find useful and relevant information for your journey from Southampton to Heidelberg. 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 Heidelberg?

    If you book a flight to Heidelberg from Southampton, you will be flying from Eastleigh, which is the city’s only airport. Southampton Eastleigh (SOU) is located 3.5 mi from the center of Southampton. There are 0 flights from Eastleigh to Heidelberg per day from 1 airline.

  • How long is the flight from Southampton to Heidelberg?

    KLM can get you from Southampton to Heidelberg in just under 3h 40m. Your travel time can differ by up to . There are 440 mi between Southampton and Heidelberg.

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

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

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

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

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

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

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Southampton to Heidelberg

See prices for flight routes from nearby airports that may be better suited for you.
Luton to Frankfurt flights
Gatwick to Frankfurt flights
Heathrow to Frankfurt flights
London City to Frankfurt flights
Gatwick to Munich flights
Heathrow to Munich flights
Stansted to Munich flights
Luton to Munich flights
London City to Munich flights
Stansted to Frankfurt flights
Manchester to Frankfurt flights
Heathrow to Stuttgart flights
Manchester to Munich flights
Gatwick to Stuttgart flights
Stansted to Stuttgart flights
Birmingham to Frankfurt flights
Southend to Munich flights
London City to Stuttgart flights
Luton to Stuttgart flights
Stansted to Karlsruhe flights
Birmingham to Munich flights
Edinburgh to Frankfurt flights
Edinburgh to Munich flights
Southend to Frankfurt flights
Newcastle upon Tyne to Frankfurt flights
Southend to Stuttgart flights
Manchester to Stuttgart flights
Gatwick to Karlsruhe flights
Luton to Karlsruhe flights
Southampton to Frankfurt flights
Edinburgh to Stuttgart flights
Bristol to Munich flights
Birmingham to Stuttgart flights
Southampton to Munich flights
Leeds to Frankfurt flights
Heathrow to Karlsruhe flights
Newcastle upon Tyne to Munich flights
Bristol to Frankfurt flights
Leeds to Munich flights
Liverpool to Munich flights
Stansted to Friedrichshafen flights
Gatwick to Friedrichshafen flights
Luton to Friedrichshafen flights
Liverpool to Frankfurt flights
Manchester to Karlsruhe flights
Exeter to Munich flights
Heathrow to Friedrichshafen flights
East Midlands to Frankfurt flights
Exeter to Frankfurt flights
Norwich to Munich flights

Top airline flying from Southampton to Heidelberg

Discover the top airline that operate flights from Southampton to Heidelberg. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 18 April 2026.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£193Average£252FlexibilityNo cancel feeOn-time75%
Search KLM flights

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 Heidelberg?

Cheapflights helps you search for flights from Southampton to Heidelberg via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

Cheapflights simply makes it quick and affordable to book flights from Southampton to Heidelberg by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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

Certainly. Search results for flights to Heidelberg from Southampton shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Heidelberg from Southampton today and book when prices fit your budget.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.