What are the cheapest airlines to fly from Ireland to Heidelberg one-way?

The cheapet airlines for a one-way flight from Ireland to Heidelberg are Aer Lingus (£51), Lufthansa (£70), and KLM (£72).

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

Travellers seeking maximum savings on their Ireland to Heidelberg flight should consider departing on Tuesday at midday 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.

What are the cheapest flights from Ireland to Heidelberg?

While on average a flight from Ireland to Heidelberg is generally £908, our data shows the cheapest flight currently is £47. When looking at the most popular route, (Dublin - Frankfurt am Main), you can expect to pay £158 for that flight.

What are the most reliable airlines from Ireland to Heidelberg?

Consider Oman Air (98%), LOT (98%) or Aer Lingus (90%) when booking your flight. These represent the most reliable airlines when flying from Ireland to Heidelberg.

What are the most popular airlines that fly from Ireland to Heidelberg?

The most popular airlines flying from Ireland to Heidelberg are Aer Lingus, Ryanair and Lufthansa. Something to consider prior to booking your flight.

How far in advance should I book a flight from Ireland to Heidelberg?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 50 days in advance, which can save you up to 118% on flights from Ireland to Heidelberg compared to booking the week you need them. Waiting 50 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at £122. For sooner than that we have options available in the next 3 days from £167.

What is the cheapest month to fly from Ireland to Heidelberg?

January can be a great time to fly to Heidelberg from Ireland with a flight ticket averaging about £132. Cheapflights users have found deals in the month of January for as cheap as £40. The most expensive prices can be found in the month of August.

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

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

How can I find direct flights from Ireland to Heidelberg?

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

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

Yes. Cheapflights offers flight deals from Ireland 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.

£331+ Flights from Ireland to Heidelberg

Cheap flight deals from Ireland to Heidelberg

Round-trip from	£119
One-way from	£51
Popular in	August
Cheapest in	January
Average price	£112

Lufthansa
9/5-16/5
Nonstop
4h 10m total
Ireland to Heidelberg

Search Deals

Aer Lingus
12/6
Nonstop
2h 15m total
Ireland to Heidelberg

Search Deals

Highest demand for flights based on searches. 20% potential increase in price (£25 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease (£5 potential savings vs. average return price).

Search Deals

Average for round-trip flights in April 2025

Search Deals

Find flight deals from Ireland to Heidelberg

Cheapest flights from Ireland to Heidelberg
Explore the most affordable flight options available from Ireland to Heidelberg. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 4월 2025.

금 9/509:00DUB - FRA

Nonstop2h 05mLufthansa

금 16/507:05FRA - DUB

Nonstop2h 05mLufthansa

Deal found 17/4£119

목 8/509:00DUB - FRA

Nonstop2h 05mMultiple Airlines

토 10/508:50FRA - DUB

1 stop4h 20mMultiple Airlines

Deal found 17/4£150

목 8/513:00DUB - FRA

1 stop5h 55mSWISS

토 24/518:20FRA - DUB

1 stop14h 35mSWISS

Deal found 17/4£159

화 13/505:55DUB - FRA

1 stop6h 40mKLM

화 27/519:20FRA - DUB

1 stop4h 05mKLM

Deal found 17/4£173

목 15/519:05DUB - FRA

1 stop18h 35mScandinavian Airlines

월 19/520:30FRA - DUB

1 stop16h 20mScandinavian Airlines

Deal found 17/4£207

토 3/508:35DUB - FRA

1 stop8h 40mBritish Airways

수 7/510:45FRA - DUB

1 stop5h 05mBritish Airways

Deal found 17/4£425

목 8/512:40DUB - FRA

2 stops20h 00mLOT

수 14/520:40FRA - DUB

2 stops22h 35mLOT

Deal found 17/4£755

월 21/714:10DUB - FRA

2 stops22h 20mPegasus Airlines

월 28/718:00FRA - DUB

2 stops20h 10mPegasus Airlines

Deal found 17/4£844

토 26/413:20DUB - FRA

2 stops28h 20mTAROM

화 6/511:15FRA - DUB

2 stops26h 20mTAROM

Deal found 17/4£853

금 25/400:01DUB - FRA

1 stop9h 14mAegean Airlines

화 6/518:55FRA - DUB

1 stop16h 05mAegean Airlines

Deal found 17/4£970

Best flights from Ireland to Heidelberg
Discover carefully curated flight deals from Ireland to Heidelberg that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 18 4월 2025.

금 9/509:00DUB - FRA

Nonstop2h 05mLufthansa

금 16/507:05FRA - DUB

Nonstop2h 05mLufthansa

Deal found 17/4£119

목 8/509:00DUB - FRA

Nonstop2h 05mMultiple Airlines

토 10/508:50FRA - DUB

1 stop4h 20mMultiple Airlines

Deal found 17/4£150

목 8/513:00DUB - FRA

1 stop5h 55mSWISS

토 24/518:20FRA - DUB

1 stop14h 35mSWISS

Deal found 17/4£159

화 13/505:55DUB - FRA

1 stop6h 40mKLM

화 27/519:20FRA - DUB

1 stop4h 05mKLM

Deal found 17/4£173

목 15/519:05DUB - FRA

1 stop18h 35mScandinavian Airlines

월 19/520:30FRA - DUB

1 stop16h 20mScandinavian Airlines

Deal found 17/4£207

토 3/508:35DUB - FRA

1 stop8h 40mBritish Airways

수 7/510:45FRA - DUB

1 stop5h 05mBritish Airways

Deal found 17/4£425

목 8/512:40DUB - FRA

2 stops20h 00mLOT

수 14/520:40FRA - DUB

2 stops22h 35mLOT

Deal found 17/4£755

월 21/714:10DUB - FRA

2 stops22h 20mPegasus Airlines

월 28/718:00FRA - DUB

2 stops20h 10mPegasus Airlines

Deal found 17/4£844

Direct flights from Ireland to Heidelberg
Explore direct flight options from Ireland to Heidelberg based on user searches, and compare prices and availability for your desired travel dates. Data last updated 18 4월 2025.

금 9/509:00DUB - FRA

Nonstop2h 05mLufthansa

금 16/507:05FRA - DUB

Nonstop2h 05mLufthansa

Deal found 17/4£119

월 23/607:00DUB - FRA

Nonstop2h 15mAer Lingus

일 29/620:40FRA - DUB

Nonstop2h 05mAer Lingus

Deal found 17/4£172

Last-minute flights from Ireland to Heidelberg
Discover last-minute flight deals from Ireland to Heidelberg. Data last updated 18 4월 2025 and is based on user searches.

수 23/405:55DUB - FRA

Nonstop2h 05mLufthansa

목 24/420:15FRA - DUB

1 stop14h 40mLufthansa

Deal found 17/4£174

금 25/400:01DUB - FRA

1 stop9h 14mAegean Airlines

화 6/518:55FRA - DUB

1 stop16h 05mAegean Airlines

Deal found 17/4£970

토 26/405:55DUB - FRA

Nonstop2h 05mMultiple Airlines

월 5/508:50FRA - DUB

1 stop4h 20mMultiple Airlines

Deal found 17/4£214

토 26/418:40DUB - FRA

1 stop25h 20mSWISS

월 5/512:25FRA - DUB

2 stops30h 25mSWISS

Deal found 17/4£275

토 26/413:20DUB - FRA

2 stops28h 20mTAROM

화 6/511:15FRA - DUB

2 stops26h 20mTAROM

Deal found 17/4£853

토 3/508:35DUB - FRA

1 stop8h 40mBritish Airways

수 7/510:45FRA - DUB

1 stop5h 05mBritish Airways

Deal found 17/4£425

목 8/509:00DUB - FRA

Nonstop2h 05mMultiple Airlines

토 10/508:50FRA - DUB

1 stop4h 20mMultiple Airlines

Deal found 17/4£150

목 8/513:00DUB - FRA

1 stop5h 55mSWISS

토 24/518:20FRA - DUB

1 stop14h 35mSWISS

Deal found 17/4£159

목 8/512:40DUB - FRA

2 stops20h 00mLOT

수 14/520:40FRA - DUB

2 stops22h 35mLOT

Deal found 17/4£755

금 9/509:00DUB - FRA

Nonstop2h 05mLufthansa

금 16/507:05FRA - DUB

Nonstop2h 05mLufthansa

Deal found 17/4£119

화 13/505:55DUB - FRA

1 stop6h 40mKLM

화 27/519:20FRA - DUB

1 stop4h 05mKLM

Deal found 17/4£173

목 15/519:05DUB - FRA

1 stop18h 35mScandinavian Airlines

월 19/520:30FRA - DUB

1 stop16h 20mScandinavian Airlines

Deal found 17/4£207

One-way flights from Ireland to Heidelberg
Search for one-way flight options from Ireland to Heidelberg. Find affordable one-way fares based on user searches. Data last updated 18 4월 2025.

목 12/607:00DUB - FRA

Nonstop2h 15mAer Lingus

Deal found 17/4£51

금 16/505:55DUB - FRA

Nonstop2h 05mLufthansa

Deal found 18/4£70

토 17/505:55DUB - FRA

1 stop6h 40mKLM

Deal found 17/4£72

금 16/512:40DUB - FRA

1 stop6h 05mScandinavian Airlines

Deal found 17/4£74

수 4/618:40DUB - FRA

2 stops19h 55mSWISS

Deal found 17/4£111

월 12/500:01DUB - FRA

1 stop9h 14mAegean Airlines

Deal found 17/4£119

Cheapflights Fare Finder

Use the filters below to find and compare flights from Ireland to Heidelberg that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DublinFrankfurt am Main

DUB - FRA

DUBFRA

Dublin

금 9/5

09:00-12:05

Nonstop2h 05m

Frankfurt am Main

금 16/5

07:05-08:10

Nonstop2h 05m

£119

DublinFrankfurt am Main

DUB - FRA

DUBFRA

Dublin

목 8/5

09:00-12:05

Nonstop2h 05m

Frankfurt am Main

토 10/5

08:50-12:10

1 stop4h 20m

£150

DublinFrankfurt am Main

DUB - FRA

DUBFRA

Dublin

목 8/5

13:00-19:55

1 stop5h 55m

Frankfurt am Main

토 24/5

18:20-07:55

1 stop14h 35m

£159

DublinFrankfurt am Main

DUB - FRA

DUBFRA

Dublin

화 13/5

05:55-13:35

1 stop6h 40m

Frankfurt am Main

화 27/5

19:20-22:25

1 stop4h 05m

£173

DublinFrankfurt am Main

DUB - FRA

DUBFRA

Dublin

목 15/5

19:05-14:40

1 stop18h 35m

Frankfurt am Main

월 19/5

20:30-11:50

1 stop16h 20m

£207

DublinFrankfurt am Main

DUB - FRA

DUBFRA

Dublin

토 3/5

08:35-18:15

1 stop8h 40m

Frankfurt am Main

수 7/5

10:45-14:50

1 stop5h 05m

£425

DublinFrankfurt am Main

DUB - FRA

DUBFRA

Dublin

목 8/5

12:40-09:40

2 stops20h 00m

Frankfurt am Main

수 14/5

20:40-18:15

2 stops22h 35m

£755

DublinFrankfurt am Main

DUB - FRA

DUBFRA

Dublin

월 21/7

14:10-13:30

2 stops22h 20m

Frankfurt am Main

월 28/7

18:00-13:10

2 stops20h 10m

£844

DublinFrankfurt am Main

DUB - FRA

DUBFRA

Dublin

목 12/6

07:00-10:15

Nonstop2h 15m

£51

DublinFrankfurt am Main

DUB - FRA

DUBFRA

Dublin

금 16/5

05:55-09:00

Nonstop2h 05m

£70

Flights are sorted by cheapest return flights first.

Deals found on 17/4

Showing 1-10 of 14 results

Best time to book a flight from Ireland to Heidelberg

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

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

Currently, February is the cheapest month in which you can book a flight from Ireland to Heidelberg (average of £187). Flying from Ireland 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.

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

When flying from Ireland to Heidelberg, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Ireland to Heidelberg

The most flights from IE0 to HE1 are scheduled on a Wednesday (22 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (13 on average).

Rainfall in Heidelberg 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

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

See what other customers who have flown with Aegean Airlines, KLM and LOT from Ireland to Heidelberg have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Aegean Airlines

8.1

Very Good

734 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you

Aegean Airlines

8.1

Very Good

734 reviews

Aegean Airlines

8.1

Very Good

734 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you

KLM

7.8

Good

1,329 reviews

Aegean Airlines

8.1

Very Good

734 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you

LOT

7.6

Good

1,065 reviews

Aegean Airlines

8.1

Very Good

734 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you

SWISS

7.5

Good

1,581 reviews

Aegean Airlines

8.1

Very Good

734 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you

Scandinavian Airlines

7.3

Good

1,335 reviews

Aegean Airlines

8.1

Very Good

734 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you

Related info for your journey

What are the cheapest airlines to fly from Ireland to Heidelberg one-way?
The cheapet airlines for a one-way flight from Ireland to Heidelberg are Aer Lingus (£51), Lufthansa (£70), and KLM (£72).
What are the most reliable airlines from Ireland to Heidelberg?
Consider Oman Air (98%), LOT (98%) or Aer Lingus (90%) when booking your flight. These represent the most reliable airlines when flying from Ireland to Heidelberg.
What are the cheapest flights from Ireland to Heidelberg?
While on average a flight from Ireland to Heidelberg is generally £908, our data shows the cheapest flight currently is £47. When looking at the most popular route, (Dublin - Frankfurt am Main), you can expect to pay £158 for that flight.
Can I find deals for flights from Ireland to Heidelberg that include hotel bookings?
Yes. In addition to deals on Ireland to Heidelberg flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Ireland to Heidelberg?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ireland to Heidelberg.
Can I find deals for business class flights from Ireland to Heidelberg?
Yes. Cheapflights offers flight deals from Ireland 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 Ireland to Heidelberg?
Currently, February is the cheapest month in which you can book a flight from Ireland to Heidelberg (average of £187). Flying from Ireland 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 3 airlines flying from Ireland to Heidelberg

Airline	Cheapest	Average	Flexibility	On-time
Ryanair	Cheapest£28	Average£60	FlexibilityNo cancel fee	On-timeN/A	Search Ryanair flights
Aer Lingus	Cheapest£58	Average£118	FlexibilityNo cancel fee	On-timeN/A	Search Aer Lingus flights
Lufthansa	Cheapest£79	Average£147	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights

Fly with Cheapflights

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

Cheapflights makes it easy to find Ireland to Heidelberg flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Ireland to Heidelberg?

Cheapflights simply makes it quick and affordable to book flights from Ireland 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 Ireland to Heidelberg with no change fees?

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

Of course! You can now track prices for flights from Ireland to Heidelberg and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from Ireland to Heidelberg from £51

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 12/6. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Ireland to Heidelberg

Keep the following information in mind while searching for Ireland to Heidelberg flight deals. Data was last updated 18 4월 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Ireland to Heidelberg

Cheapest flights from Ireland to HeidelbergExplore the most affordable flight options available from Ireland to Heidelberg. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 4월 2025.

Explore the most affordable flight options available from Ireland to Heidelberg. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 4월 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Ireland to Heidelberg that are best for you.

Best time to book a flight from Ireland to Heidelberg

Have a flexible travel schedule? Discover the best time to fly to Heidelberg from Ireland with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Ireland to Heidelberg

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

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

Find hourly flight availability from Ireland 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 18 4월 2025.

Weekly flight availability from Ireland to Heidelberg

Explore weekly flight availability from Ireland 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 18 4월 2025.

Rainfall in Heidelberg by month

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

Temperature in Heidelberg by month

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

Reviews of airlines servicing Heidelberg

See what other customers who have flown with Aegean Airlines, KLM and LOT from Ireland to Heidelberg have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Ireland 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 cheapest airlines to fly from Ireland to Heidelberg one-way?

What are the most reliable airlines from Ireland to Heidelberg?

What are the cheapest flights from Ireland to Heidelberg?

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

How can I find direct flights from Ireland to Heidelberg?

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

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ireland to Heidelberg

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

Top 3 airlines flying from Ireland to Heidelberg

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 Ireland to Heidelberg?

Why should you use Cheapflights to find cheap flight tickets from Ireland to Heidelberg?

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

Can Cheapflights notify me if prices for flights from Ireland to Heidelberg become cheaper?

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Cheapest flights from Ireland to Heidelberg
Explore the most affordable flight options available from Ireland to Heidelberg. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 4월 2025.