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Cheap flights from Southampton to Heidelberg from £122

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 26/8. Fares are subject to change and may not be available on all flights or dates of travel.
SOU — FRA
5 Sep — 12 Sep1
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 6 August 2026.

Tue 15/920:00 -
1 stop13h 15m
Tue 22/921:00 -
2 stops36h 35m
Deal found 1/8£211
Thu 17/909:05 -
1 stop11h 55m
Sat 19/918:40 -
1 stop15h 05m
Deal found 1/8£218
Sat 26/909:15 -
1 stop11h 45m
Mon 28/911:45 -
1 stop21h 50m
Deal found 3/8£219
Sun 30/817:30 -
1 stop15h 05m
Sat 5/911:45 -
1 stop22h 00m
Deal found 5/8£220
Thu 17/911:40 -
2 stops21h 35m
Thu 24/919:55 -
2 stops13h 50m
Deal found 4/8£250
Sun 30/812:35 -
2 stops21h 50m
Sat 5/914:15 -
1 stop19h 30m
Deal found 5/8£277
Sat 26/907:50 -
3 stops13h 10m
Mon 28/921:00 -
2 stops16h 50m
Deal found 3/8£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 6 August 2026.

Round-trip from

£211

One-way from

£122

Popular in

May

Cheapest in

September

Average price

£146
15/9-22/9
  • 15/9-22/9
  • 3 total stops
  • 49h 50m total
  • Southampton to Heidelberg
Search Deals
Aer Lingus
  • Aer Lingus
  • 26/8
  • 1 total stop
  • 15h 55m total
  • Southampton to Heidelberg
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (£12 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£2 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 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 6 August 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 Southampton Eastleigh - FRA Frankfurt am Main

SOUFRA

Southampton Eastleigh

Tue 15/9

17:20-11:05

1 stop16h 45m

Frankfurt am Main

Tue 22/9

10:15-16:50

1 stop7h 35m

£218

SouthamptonFrankfurt am Main

SOU Southampton Eastleigh - FRA Frankfurt am Main

SOUFRA

Southampton Eastleigh

Thu 17/9

09:05-22:00

1 stop11h 55m

Frankfurt am Main

Sat 19/9

18:40-08:45

1 stop15h 05m

£218

SouthamptonFrankfurt am Main

SOU Southampton Eastleigh - FRA Frankfurt am Main

SOUFRA

Southampton Eastleigh

Thu 17/9

09:05-18:00

1 stop7h 55m

Frankfurt am Main

Thu 24/9

14:15-08:35

1 stop19h 20m

£218

SouthamptonFrankfurt am Main

SOU Southampton Eastleigh - FRA Frankfurt am Main

SOUFRA

Southampton Eastleigh

Sat 26/9

09:15-22:00

1 stop11h 45m

Frankfurt am Main

Mon 28/9

11:45-08:35

1 stop21h 50m

£219

SouthamptonFrankfurt am Main

SOU Southampton Eastleigh - FRA Frankfurt am Main

SOUFRA

Southampton Eastleigh

Thu 17/9

11:40-10:15

2 stops21h 35m

Frankfurt am Main

Thu 24/9

19:55-08:45

2 stops13h 50m

£250

SouthamptonFrankfurt am Main

SOU Southampton Eastleigh - FRA Frankfurt am Main

SOUFRA

Southampton Eastleigh

Tue 15/9

13:25-10:15

2 stops19h 50m

Frankfurt am Main

Tue 22/9

17:15-15:00

2 stops22h 45m

£251

SouthamptonFrankfurt am Main

SOU Southampton Eastleigh - FRA Frankfurt am Main

SOUFRA

Southampton Eastleigh

Sat 26/9

09:20-22:00

2 stops11h 40m

Frankfurt am Main

Mon 28/9

21:00-12:50

2 stops16h 50m

£282
Fastest return journey

SouthamptonFrankfurt am Main

SOU Southampton Eastleigh - FRA Frankfurt am Main

SOUFRA

Southampton Eastleigh

Thu 17/9

09:05-13:35

1 stop3h 30m

Frankfurt am Main

Sat 19/9

07:00-18:55

2 stops12h 55m

£305

SouthamptonFrankfurt am Main

SOU Southampton Eastleigh - FRA Frankfurt am Main

SOUFRA

Southampton Eastleigh

Mon 17/8

20:40-21:25

2 stops23h 45m

Frankfurt am Main

Thu 20/8

21:00-19:40

2 stops23h 40m

£342
Cheapest one-way

SouthamptonFrankfurt am Main

SOU Southampton Eastleigh - FRA Frankfurt am Main

SOUFRA

Southampton Eastleigh

Mon 14/12

08:55-22:00

2 stops12h 05m

£240

Flights are sorted by cheapest return flights first.

Deals found on 5/8

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 6 August 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
1,555 reviews
Check prices

Entertainment

7.2

Boarding

7.8

Overall

7.8

Crew

8.4

Food

7.3

Comfort

7.7

Reviews

1 / 20
4.0
Okay

Subhash,Jul 2026

CDG - ATL

The priority tag for bags were taken out. 1 bag is missing. Food was worst for AVML. The food was dry and burnt.
KLM
7.8
Good
1,555 reviews
KLM
7.8
Good
1,555 reviews
Check prices

Entertainment

7.2

Boarding

7.8

Overall

7.8

Crew

8.4

Food

7.3

Comfort

7.7

Reviews

1 / 20
4.0
Okay

Subhash,Jul 2026

CDG - ATL

The priority tag for bags were taken out. 1 bag is missing. Food was worst for AVML. The food was dry and burnt.

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 16h 45m. 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

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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 6 August 2026.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£194Average£255FlexibilityNo 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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