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Cheap flights from Portsmouth to Heidelberg from £148

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 29/8. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — FRA
15 Sep — 22 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Portsmouth to Heidelberg

Enter your travel dates to find the best prices.

Cheapest flights from Portsmouth to Heidelberg
Explore the most affordable flight options available from Portsmouth to Heidelberg. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 August 2026.

Tue 29/920:00 -
1 stop13h 15m
Tue 6/1021:00 -
2 stops36h 35m
Deal found 15/8£211
Thu 17/909:05 -
1 stop7h 55m
Wed 23/914:15 -
1 stop3h 35m
Deal found 11/8£214
Thu 17/911:40 -
2 stops21h 35m
Wed 23/910:55 -
2 stops22h 50m
Deal found 15/8£225
Wed 30/909:20 -
1 stop9h 35m
Wed 7/1015:40 -
2 stops17h 55m
Deal found 16/8£243
Sun 27/920:00 -
1 stop13h 15m
Sun 4/1007:00 -
1 stop10h 50m
Deal found 13/8£256

Find flight deals from Portsmouth to Heidelberg

Keep the following information in mind while searching for Portsmouth to Heidelberg flight deals. Data was last updated 16 August 2026.

Round-trip from

£211

One-way from

£148

Popular in

May

Cheapest in

September

Average price

£153
29/9-6/10
  • 29/9-6/10
  • 3 total stops
  • 49h 50m total
  • Portsmouth to Heidelberg
Search Deals
Aer Lingus
  • Aer Lingus
  • 29/8
  • 1 total stop
  • 13h 15m total
  • Portsmouth to Heidelberg
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (£10 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 Portsmouth 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 16 August 2026.
Use the filters below to find and compare flights from Portsmouth 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 29/9

20:00-10:15

1 stop13h 15m

Frankfurt am Main

Tue 6/10

21:00-08:35

2 stops36h 35m

£211

SouthamptonFrankfurt am Main

SOU Southampton Eastleigh - FRA Frankfurt am Main

SOUFRA

Southampton Eastleigh

Wed 30/9

17:20-09:35

1 stop15h 15m

Frankfurt am Main

Wed 7/10

07:00-16:50

1 stop10h 50m

£219

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

Wed 23/9

07:00-16:50

1 stop10h 50m

£219
Fastest return journey

SouthamptonFrankfurt am Main

SOU Southampton Eastleigh - FRA Frankfurt am Main

SOUFRA

Southampton Eastleigh

Tue 1/9

09:05-13:35

1 stop3h 30m

Frankfurt am Main

Wed 9/9

14:15-16:50

1 stop3h 35m

£219

SouthamptonFrankfurt am Main

SOU Southampton Eastleigh - FRA Frankfurt am Main

SOUFRA

Southampton Eastleigh

Mon 28/9

20:00-09:05

1 stop12h 05m

Frankfurt am Main

Mon 5/10

21:00-12:50

2 stops16h 50m

£238

SouthamptonFrankfurt am Main

SOU Southampton Eastleigh - FRA Frankfurt am Main

SOUFRA

Southampton Eastleigh

Thu 17/9

20:00-10:15

1 stop13h 15m

Frankfurt am Main

Wed 23/9

10:55-08:45

2 stops22h 50m

£253

SouthamptonFrankfurt am Main

SOU Southampton Eastleigh - FRA Frankfurt am Main

SOUFRA

Southampton Eastleigh

Sun 27/9

20:00-10:15

1 stop13h 15m

Frankfurt am Main

Sun 4/10

20:40-12:25

2 stops16h 45m

£282

SouthamptonFrankfurt am Main

SOU Southampton Eastleigh - FRA Frankfurt am Main

SOUFRA

Southampton Eastleigh

Tue 1/9

17:20-11:05

1 stop16h 45m

Frankfurt am Main

Fri 11/9

18:40-08:45

1 stop15h 05m

£293
Cheapest one-way

SouthamptonFrankfurt am Main

SOU Southampton Eastleigh - FRA Frankfurt am Main

SOUFRA

Southampton Eastleigh

Sat 29/8

20:00-10:15

1 stop13h 15m

£148

SouthamptonFrankfurt am Main

SOU Southampton Eastleigh - FRA Frankfurt am Main

SOUFRA

Southampton Eastleigh

Sat 29/8

18:10-12:30

2 stops17h 20m

£207

Flights are sorted by cheapest return flights first.

Deals found on 13/8

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

Best time to book a flight from Portsmouth to Heidelberg

Have a flexible travel schedule? Discover the best time to fly to Heidelberg from Portsmouth 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 Portsmouth to Heidelberg

What is the cheapest time of day to fly from P0R to HE1?

Find hourly flight availability from Portsmouth to Heidelberg. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 16 August 2026.

When flying from Portsmouth to Heidelberg, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 42% versus a flight in the afternoon.

Weekly flight availability from Portsmouth to Heidelberg

Explore weekly flight availability from Portsmouth to Heidelberg. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 16 August 2026.

The most flights from P0R to HE1 are scheduled on a Saturday (39 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (29 on average).

What is the cheapest day to fly from Portsmouth to Heidelberg?

Use this chart to determine the cheapest time to fly return from Portsmouth to Heidelberg. Price data was last updated on 15 August 2026.

Travellers seeking maximum savings on their Portsmouth to Heidelberg flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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 16 August 2026.
See what other customers who have flown with KLM from Portsmouth to Heidelberg have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,559 reviews
Check prices

Overall

7.8

Boarding

7.8

Comfort

7.7

Crew

8.4

Food

7.3

Entertainment

7.2

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
1,559 reviews
KLM
7.8
Good
1,559 reviews
Check prices

Overall

7.8

Boarding

7.8

Comfort

7.7

Crew

8.4

Food

7.3

Entertainment

7.2

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 Portsmouth to Heidelberg. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Portsmouth to Heidelberg?

    A quick flight from Portsmouth to Heidelberg can take about 15h 15m. KLM provides one of the quickest options available for as low as £219. Airlines will cover a distance of 440 mi.

  • What are the most reliable airlines from Portsmouth to Heidelberg?

    Before booking your flight to Heidelberg from Portsmouth, check out the most reliable airlines to get you to your destination on time: Qatar Airways (86%), Japan Airlines (80%), United Airlines( 79%).

  • What are the cheapest flights from Portsmouth to Heidelberg?

    While on average a flight from Portsmouth to Heidelberg is generally £1,393, our data shows the cheapest flight currently is £81. When looking at the most popular route, (Southampton Eastleigh - Frankfurt am Main), you can expect to pay £218 for that flight.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Portsmouth 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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Alternative routes for Portsmouth to Heidelberg

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Top 8 airlines flying from Portsmouth to Heidelberg

Discover the top 8 airlines that operate flights from Portsmouth 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 16 August 2026.
AirlineCheapestAverageFlexibilityOn-time
RyanairCheapest£29Average£88FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
British AirwaysCheapest£60Average£173FlexibilityNo cancel feeOn-time70%
Search British Airways flights
CondorCheapest£108Average£162FlexibilityNo cancel feeOn-time76%
Search Condor flights
EurowingsCheapest£115Average£191FlexibilityNo cancel feeOn-time87%
Search Eurowings flights
LufthansaCheapest£117Average£190FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
KLMCheapest£138Average£243FlexibilityNo cancel feeOn-time75%
Search KLM flights
Air DolomitiCheapest£146Average£178FlexibilityNo cancel feeOn-time87%
Search Air Dolomiti flights
SWISSCheapest£149Average£207FlexibilityNo cancel feeOn-time79%
Search SWISS 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 Portsmouth to Heidelberg?

Cheapflights helps you search for flights from Portsmouth 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 Portsmouth to Heidelberg?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Portsmouth to Heidelberg.

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

Certainly. Search results for flights to Heidelberg from Portsmouth 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 Portsmouth to Heidelberg become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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