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Cheap flights from Portsmouth to Heidelberg from £104

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.
LHR — FRA
16 Jul — 23 Jul1
1 adult

Cheap flight deals from Portsmouth to Heidelberg

Keep the following information in mind while searching for Portsmouth to Heidelberg flight deals. Data was last updated 11 July 2025.

Round-trip from

£198

One-way from

£104

Popular in

June

Cheapest in

January

Average price

£257
KLM
  • KLM
  • 16/8-25/8
  • 2 total stops
  • 29h 30m total
  • Portsmouth to Heidelberg
Aer Lingus
  • Aer Lingus
  • 7/10
  • 1 total stop
  • 13h 15m total
  • Portsmouth to Heidelberg
Highest demand for flights based on searches. 22% potential increase in price (£61 potential increase over avg. return price).
Cheapest flight prices on average. 10% potential price decrease (£19 potential savings vs. average return price).
Average for round-trip flights in July 2025

Find flight deals from Portsmouth to Heidelberg

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 11 July 2025.

Sat 16/817:35SOU - FRA
1 stop15h 00mKLM
Mon 25/819:20FRA - SOU
1 stop14h 30mKLM
Deal found 10/7£198
Mon 25/820:30SOU - FRA
1 stop14h 05mMultiple Airlines
Mon 1/920:40FRA - SOU
1 stop13h 00mMultiple Airlines
Deal found 11/7£220
Fri 29/812:30SOU - FRA
2 stops28h 45mBritish Airways
Fri 5/906:10FRA - SOU
2 stops27h 15mBritish Airways
Deal found 10/7£508

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 11 July 2025.
Use the filters below to find and compare flights from Portsmouth to Heidelberg that are best for you.

Fly from

Portsmouth

Fly to

Heidelberg

Route

Depart

Return

Price

SouthamptonFrankfurt am Main

SOU - FRA

SOUFRA

Southampton Eastleigh

Sat 16/8

17:35-09:35

1 stop15h 00m

Frankfurt am Main

Mon 25/8

19:20-08:50

1 stop14h 30m

£198

SouthamptonFrankfurt am Main

SOU - FRA

SOUFRA

Southampton Eastleigh

Mon 25/8

20:30-11:35

1 stop14h 05m

Frankfurt am Main

Mon 1/9

20:40-08:40

1 stop13h 00m

£220

SouthamptonFrankfurt am Main

SOU - FRA

SOUFRA

Southampton Eastleigh

Fri 29/8

12:30-18:15

2 stops28h 45m

Frankfurt am Main

Fri 5/9

06:10-08:25

2 stops27h 15m

£508

SouthamptonFrankfurt am Main

SOU - FRA

SOUFRA

Southampton Eastleigh

Tue 7/10

20:00-10:15

1 stop13h 15m

£104

SouthamptonFrankfurt am Main

SOU - FRA

SOUFRA

Southampton Eastleigh

Tue 7/10

12:25-10:15

2 stops20h 50m

£113

SouthamptonFrankfurt am Main

SOU - FRA

SOUFRA

Southampton Eastleigh

Sat 11/10

08:55-21:50

2 stops11h 55m

£223

Flights are sorted by cheapest return flights first.

Deals found on 11/7

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 month to book a flight from Portsmouth to Heidelberg?

Currently, February is the cheapest month in which you can book a flight from Portsmouth to Heidelberg (average of £187). Flying from Portsmouth to Heidelberg in July is currently the most expensive (average of £255). 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.

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 11 July 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Portsmouth to Heidelberg as you normally would.

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 30 March 2025.

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

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 11 July 2025.

The most flights from P0R to HE1 are scheduled on a Thursday (40 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (26 on average).

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 11 July 2025.
See what other customers who have flown with KLM, Aer Lingus, andBritish Airways 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.

Food

7.3

Overall

7.8

Boarding

7.8

Comfort

7.7

Entertainment

7.1

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.

Food

7.3

Overall

7.8

Boarding

7.8

Comfort

7.7

Entertainment

7.1

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.

Food

7.3

Overall

7.8

Boarding

7.8

Comfort

7.7

Entertainment

7.1

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.

Food

7.3

Overall

7.8

Boarding

7.8

Comfort

7.7

Entertainment

7.1

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 Portsmouth to Heidelberg. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • 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: Aegean Airlines (85%), British Airways (82%), United Airlines( 81%).

  • What are the cheapest flights from Portsmouth to Heidelberg?

    While on average a flight from Portsmouth to Heidelberg is generally £2,120, our data shows the cheapest flight currently is £85. When looking at the most popular route, (Southampton Eastleigh - Frankfurt am Main), you can expect to pay £198 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.

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

    Currently, February is the cheapest month in which you can book a flight from Portsmouth to Heidelberg (average of £187). Flying from Portsmouth to Heidelberg in July is currently the most expensive (average of £255). 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 Portsmouth to Heidelberg

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

Top 9 airlines flying from Portsmouth to Heidelberg

Discover the top 9 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 11 July 2025.
AirlineCheapestAverageFlexibilityOn-time
RyanairCheapest£25Average£60FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
LufthansaCheapest£83Average£189FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
British AirwaysCheapest£93Average£156FlexibilityNo cancel feeOn-time70%
Search British Airways flights
EurowingsCheapest£95Average£157FlexibilityNo cancel feeOn-time87%
Search Eurowings flights
FinnairCheapest£106Average£179FlexibilityNo cancel feeOn-time76%
Search Finnair flights
VuelingCheapest£133Average£277FlexibilityNo cancel feeOn-time88%
Search Vueling flights
Air DolomitiCheapest£140Average£168FlexibilityNo cancel feeOn-time87%
Search Air Dolomiti flights
SWISSCheapest£140Average£212FlexibilityNo cancel feeOn-time79%
Search SWISS flights
KLMCheapest£150Average£236FlexibilityNo cancel feeOn-time75%
Search KLM flights

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How does Cheapflights help users find flights from Portsmouth to Heidelberg?

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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.

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