Cheap flights from Southampton to Heidelberg from £84

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 7/10. Fares are subject to change and may not be available on all flights or dates of travel.
SOU — FRA
3 Sep — 10 Sep1
1 adult

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 29 August 2025.

Round-trip from

£201

One-way from

£84

Popular in

September

Cheapest in

October

Average price

£230
KLM
  • KLM
  • 11/10-18/10
  • 2 total stops
  • 31h 10m total
  • Southampton to Heidelberg
Aer Lingus
  • Aer Lingus
  • 7/10
  • 1 total stop
  • 13h 15m total
  • Southampton to Heidelberg
High demand for flights, 0% potential price rise
Cheapest flight prices on average. 3% potential price decrease (£7 potential savings vs. average return price).
Average for round-trip flights in August 2025

Find flight deals from Southampton to Heidelberg

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 29 August 2025.

Sat 11/1018:05SOU - FRA
1 stop15h 55mKLM
Sat 18/1018:30FRA - SOU
1 stop15h 15mKLM
Deal found 27/8£201
Sat 13/1217:30SOU - FRA
1 stop15h 05mKLM
Thu 1/119:20FRA - SOU
1 stop13h 45mKLM
Deal found 28/8£207
Sat 13/1217:30SOU - FRA
1 stop3h 55mKLM
Fri 2/119:20FRA - SOU
1 stop14h 30mKLM
Deal found 28/8£224
Fri 12/1217:30SOU - FRA
1 stop15h 05mKLM
Thu 1/119:20FRA - SOU
1 stop13h 45mKLM
Deal found 28/8£246
Sat 13/1217:30SOU - FRA
1 stop3h 55mKLM
Sat 3/118:30FRA - SOU
1 stop15h 20mKLM
Deal found 28/8£257
Mon 1/920:30SOU - FRA
1 stop14h 05mMultiple Airlines
Thu 11/921:00FRA - SOU
2 stops22h 55mMultiple Airlines
Deal found 28/8£258
Fri 12/1217:30SOU - FRA
1 stop15h 05mKLM
Fri 2/119:20FRA - SOU
1 stop14h 30mKLM
Deal found 28/8£265
Fri 12/1208:10SOU - FRA
2 stops9h 30mMultiple Airlines
Sat 3/109:10FRA - SOU
1 stop6h 40mMultiple Airlines
Deal found 28/8£272
Fri 12/1208:10SOU - FRA
2 stops8h 40mMultiple Airlines
Thu 1/110:45FRA - SOU
1 stop9h 55mMultiple Airlines
Deal found 28/8£274
Sat 11/1018:05SOU - FRA
2 stops15h 10mMultiple Airlines
Sat 18/1010:55FRA - SOU
1 stop5h 50mMultiple Airlines
Deal found 27/8£278
Fri 12/1208:10SOU - FRA
2 stops9h 30mMultiple Airlines
Sun 4/118:30FRA - SOU
1 stop14h 25mMultiple Airlines
Deal found 28/8£298

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 29 August 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

Sat 11/10

18:05-11:00

1 stop15h 55m

Frankfurt am Main

Sat 18/10

18:30-08:45

1 stop15h 15m

£201

SouthamptonFrankfurt am Main

SOU - FRA

SOUFRA

Southampton Eastleigh

Sat 13/12

17:30-09:35

1 stop15h 05m

Frankfurt am Main

Thu 1/1

19:20-08:05

1 stop13h 45m

£207

SouthamptonFrankfurt am Main

SOU - FRA

SOUFRA

Southampton Eastleigh

Sun 14/12

09:30-13:40

1 stop3h 10m

Frankfurt am Main

Thu 1/1

19:20-08:05

1 stop13h 45m

£207

SouthamptonFrankfurt am Main

SOU - FRA

SOUFRA

Southampton Eastleigh

Sat 13/12

17:30-22:25

1 stop3h 55m

Frankfurt am Main

Fri 2/1

19:20-08:50

1 stop14h 30m

£224

SouthamptonFrankfurt am Main

SOU - FRA

SOUFRA

Southampton Eastleigh

Sun 14/12

09:30-22:25

1 stop11h 55m

Frankfurt am Main

Fri 2/1

19:20-08:50

1 stop14h 30m

£224

SouthamptonFrankfurt am Main

SOU - FRA

SOUFRA

Southampton Eastleigh

Fri 12/12

17:30-09:35

1 stop15h 05m

Frankfurt am Main

Thu 1/1

19:20-08:05

1 stop13h 45m

£246

SouthamptonFrankfurt am Main

SOU - FRA

SOUFRA

Southampton Eastleigh

Sat 13/12

17:30-22:25

1 stop3h 55m

Frankfurt am Main

Sat 3/1

18:30-08:50

1 stop15h 20m

£257

SouthamptonFrankfurt am Main

SOU - FRA

SOUFRA

Southampton Eastleigh

Sun 14/12

09:30-22:25

1 stop11h 55m

Frankfurt am Main

Sat 3/1

18:30-08:50

1 stop15h 20m

£257

SouthamptonFrankfurt am Main

SOU - FRA

SOUFRA

Southampton Eastleigh

Fri 12/12

17:30-09:35

1 stop15h 05m

Frankfurt am Main

Fri 2/1

19:20-08:50

1 stop14h 30m

£265

SouthamptonFrankfurt am Main

SOU - FRA

SOUFRA

Southampton Eastleigh

Fri 12/12

08:10-18:40

2 stops9h 30m

Frankfurt am Main

Sat 3/1

09:10-14:50

1 stop6h 40m

£272

Flights are sorted by cheapest return flights first.

Deals found on 27/8

Showing 1-10 of 16 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, February is the cheapest month in which you can book a flight from Southampton to Heidelberg (average of £187). Flying from Southampton to Heidelberg in June is currently the most expensive (average of £247). 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 29 August 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.

Overall

7.8

Entertainment

7.1

Food

7.3

Comfort

7.7

Boarding

7.8

Crew

8.4

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Overall

7.8

Entertainment

7.1

Food

7.3

Comfort

7.7

Boarding

7.8

Crew

8.4

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

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 15h 55m. 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, February is the cheapest month in which you can book a flight from Southampton to Heidelberg (average of £187). Flying from Southampton to Heidelberg in June is currently the most expensive (average of £247). 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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Alternative routes for Southampton to Heidelberg

See prices for flight routes from nearby airports that may be better suited for you.

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 29 August 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£193Average£243FlexibilityNo cancel feeOn-time75%
Search KLM flights

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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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