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Cheap flights from Southampton to Heidelberg from £101

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 19/1. Fares are subject to change and may not be available on all flights or dates of travel.
SOU — FRA
30 Nov — 7 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Southampton to Heidelberg

Keep the following information in mind while searching for Southampton to Heidelberg flight deals. Data was last updated 31 October 2025.

Round-trip from

£203

One-way from

£101

Popular in

September

Cheapest in

January

Average price

£223
KLM
  • KLM
  • 14/12-21/12
  • 2 total stops
  • 22h 05m total
  • Southampton to Heidelberg
Search Deals
19/1
  • 19/1
  • 2 total stops
  • 19h 35m total
  • Southampton to Heidelberg
Search Deals
Highest demand for flights based on searches. 0% potential increase in price (£1 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£7 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

Find 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 31 October 2025.

Sun 14/1209:30SOU - FRA
1 stop7h 25mKLM
Sun 21/1218:30FRA - SOU
1 stop14h 40mKLM
Deal found 30/10£203
Sun 14/1218:20SOU - FRA
2 stops14h 45mMultiple Airlines
Sun 21/1218:30FRA - SOU
1 stop14h 40mMultiple Airlines
Deal found 30/10£296
Thu 30/1015:50SOU - FRA
2 stops15h 30mMultiple Airlines
Sun 30/1107:25FRA - SOU
1 stop26h 20mMultiple Airlines
Deal found 29/10£361
Thu 30/1018:05SOU - FRA
1 stop16h 00mKLM
Sun 30/1118:30FRA - SOU
1 stop14h 40mKLM
Deal found 29/10£375
Sat 15/1109:30SOU - FRA
2 stops11h 30mBritish Airways
Sat 22/1116:35FRA - SOU
2 stops20h 15mBritish Airways
Deal found 28/10£492
Sun 14/1218:25SOU - FRA
3 stops18h 40mBritish Airways
Sun 21/1221:05FRA - SOU
3 stops21h 30mBritish Airways
Deal found 30/10£540
Thu 18/1208:40SOU - FRA
2 stops12h 20mBritish Airways
Tue 23/1216:25FRA - SOU
2 stops16h 45mBritish Airways
Deal found 30/10£567

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 31 October 2025.
Use the filters below to find and compare flights from Southampton to Heidelberg that are best for you.

Fly from

Southampton

Fly to

Heidelberg

Route

Depart

Return

Price

SouthamptonFrankfurt am Main

SOU - FRA

SOUFRA

Southampton Eastleigh

Sun 14/12

09:30-17:55

1 stop7h 25m

Frankfurt am Main

Sun 21/12

18:30-08:10

1 stop14h 40m

£203

SouthamptonFrankfurt am Main

SOU - FRA

SOUFRA

Southampton Eastleigh

Sun 14/12

18:20-10:05

2 stops14h 45m

Frankfurt am Main

Sun 21/12

18:30-08:10

1 stop14h 40m

£296

SouthamptonFrankfurt am Main

SOU - FRA

SOUFRA

Southampton Eastleigh

Thu 23/4

09:20-13:35

1 stop3h 15m

Frankfurt am Main

Thu 23/4

19:20-08:45

1 stop14h 25m

£323

SouthamptonFrankfurt am Main

SOU - FRA

SOUFRA

Southampton Eastleigh

Mon 30/3

09:20-09:35

1 stop23h 15m

Frankfurt am Main

Tue 31/3

14:15-08:50

1 stop19h 35m

£348

SouthamptonFrankfurt am Main

SOU - FRA

SOUFRA

Southampton Eastleigh

Mon 30/3

12:35-09:30

2 stops19h 55m

Frankfurt am Main

Tue 31/3

20:30-17:40

2 stops22h 10m

£378

SouthamptonFrankfurt am Main

SOU - FRA

SOUFRA

Southampton Eastleigh

Thu 23/4

09:20-13:35

1 stop3h 15m

Frankfurt am Main

Thu 23/4

17:55-08:25

2 stops15h 30m

£475

SouthamptonFrankfurt am Main

SOU - FRA

SOUFRA

Southampton Eastleigh

Sat 15/11

09:30-22:00

2 stops11h 30m

Frankfurt am Main

Sat 22/11

16:35-11:50

2 stops20h 15m

£492

SouthamptonFrankfurt am Main

SOU - FRA

SOUFRA

Southampton Eastleigh

Sun 14/12

18:25-14:05

3 stops18h 40m

Frankfurt am Main

Sun 21/12

21:05-17:35

3 stops21h 30m

£540

SouthamptonFrankfurt am Main

SOU - FRA

SOUFRA

Southampton Eastleigh

Thu 18/12

08:40-22:00

2 stops12h 20m

Frankfurt am Main

Tue 23/12

16:25-08:10

2 stops16h 45m

£567

SouthamptonFrankfurt am Main

SOU - FRA

SOUFRA

Southampton Eastleigh

Mon 19/1

12:05-08:40

2 stops19h 35m

£101

Flights are sorted by cheapest return flights first.

Deals found on 29/10

Showing 1-10 of 17 results
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

What is the cheapest month to book a flight from Southampton to Heidelberg?

Currently, March is the cheapest month in which you can book a flight from Southampton to Heidelberg (average of £14). Flying from Southampton to Heidelberg in August is currently the most expensive (average of £37). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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 31 October 2025.
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
7.7
Good
1,406 reviews
Check prices

Overall

7.7

Boarding

7.8

Food

7.3

Crew

8.4

Entertainment

7.1

Comfort

7.7

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
KLM
7.7
Good
1,406 reviews
KLM
7.7
Good
1,406 reviews
Check prices

Overall

7.7

Boarding

7.8

Food

7.3

Crew

8.4

Entertainment

7.1

Comfort

7.7

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

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 7h 25m. 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.

  • What is the cheapest month to book a flight from Southampton to Heidelberg?

    Currently, March is the cheapest month in which you can book a flight from Southampton to Heidelberg (average of £14). Flying from Southampton to Heidelberg in August is currently the most expensive (average of £37). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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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 31 October 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£198Average£253FlexibilityNo 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.

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