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Cheap flights from Cardiff to Heidelberg from £145

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 13/5. Fares are subject to change and may not be available on all flights or dates of travel.
CWL — FRA
31 Mar — 7 Apr1
1 adult

Cheap flight deals from Cardiff to Heidelberg

Keep the following information in mind while searching for Cardiff to Heidelberg flight deals. Data was last updated 26 March 2025.

Round-trip from

£145

Popular in

December

Cheapest in

May
13/5-16/5
  • 13/5-16/5
  • 2 total stops
  • 28h 00m total
  • Cardiff to Heidelberg
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (£5 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£5 potential savings vs. average return price).
Search Deals

Find flight deals from Cardiff to Heidelberg

Cheapest flights from Cardiff to Heidelberg
Explore the most affordable flight options available from Cardiff to Heidelberg. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 26 March 2025.

Tue 13/516:20CWL - FRA
1 stop16h 55mMultiple Airlines
Fri 16/520:40FRA - CWL
1 stop11h 05mMultiple Airlines
Deal found 25/3£145
Thu 2/1009:50CWL - FRA
2 stops8h 20mAir France
Sun 5/1007:05FRA - CWL
2 stops10h 40mAir France
Deal found 25/3£275
Wed 23/417:15CWL - FRA
1 stop3h 30mKLM
Wed 30/414:15FRA - CWL
1 stop3h 30mKLM
Deal found 25/3£302

Cheapflights Fare Finder

Customise your flight search to find flights from Cardiff 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 26 March 2025.
Use the filters below to find and compare flights from Cardiff to Heidelberg that are best for you.

Fly from

Cardiff

Fly to

Heidelberg

Route

Depart

Return

Price

CardiffFrankfurt am Main

CWL - FRA

CWLFRA

Cardiff Wales

Tue 13/5

16:20-10:15

1 stop16h 55m

Frankfurt am Main

Fri 16/5

20:40-06:45

1 stop11h 05m

£145

CardiffFrankfurt am Main

CWL - FRA

CWLFRA

Cardiff Wales

Tue 13/5

09:50-19:10

2 stops8h 20m

Frankfurt am Main

Fri 16/5

09:45-16:45

2 stops8h 00m

£298

CardiffFrankfurt am Main

CWL - FRA

CWLFRA

Cardiff Wales

Wed 23/4

17:15-21:45

1 stop3h 30m

Frankfurt am Main

Wed 30/4

14:15-16:45

1 stop3h 30m

£302

Flights are sorted by cheapest return flights first.

Deals found on 25/3

Best time to book a flight from Cardiff to Heidelberg

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

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

Currently, February is the cheapest month in which you can book a flight from Cardiff to Heidelberg (average of £187). Flying from Cardiff to Heidelberg in June is currently the most expensive (average of £281). 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.

Rainfall in Heidelberg by month

Plan your trip to Heidelberg by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Heidelberg ranges from 40.0 - 70.0 inches per month. June is typically the wettest month, when rainfall can reach 70.0 mm. January is typically the driest time to visit Heidelberg when rainfall is around 40.0 mm.

Temperature in Heidelberg by month

Plan your trip to Heidelberg by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Heidelberg, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 18.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 1.0 C).

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 26 March 2025.
KLM
7.8
Good
1,319 reviews
Check prices

Food

7.3

Overall

7.8

Comfort

7.7

Crew

8.4

Entertainment

7.1

Boarding

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
KLM
7.8
Good
1,319 reviews
KLM
7.8
Good
1,319 reviews
Check prices

Food

7.3

Overall

7.8

Comfort

7.7

Crew

8.4

Entertainment

7.1

Boarding

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
Air France
7.4
Good
1,423 reviews
KLM
7.8
Good
1,319 reviews
Check prices

Food

7.3

Overall

7.8

Comfort

7.7

Crew

8.4

Entertainment

7.1

Boarding

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.

Related info for your journey

Find useful and relevant information for your journey from Cardiff 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 Cardiff to Heidelberg?

    Most people fly from Cardiff Wales (CWL) if they book a flight from Cardiff to Heidelberg. On average, Cardiff Wales has 0 outbound flights to Heidelberg per day from 1 airline. Cardiff Wales is conveniently located just 9.1 mi from Cardiff’s city center.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Cardiff 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 Cardiff to Heidelberg?

    Currently, February is the cheapest month in which you can book a flight from Cardiff to Heidelberg (average of £187). Flying from Cardiff to Heidelberg in June is currently the most expensive (average of £281). 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

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Cardiff to Heidelberg

Discover the top airline that operate flights from Cardiff 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 26 March 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£198Average£295FlexibilityNo cancel feeOn-time75%
Search KLM flights

Fly with Cheapflights

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

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

Cheapflights helps you find that perfect flight to Heidelberg from Cardiff by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Users can book flights with no change fees policies with our dedicated filters. Book flights from Cardiff to Heidelberg flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Cardiff 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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