How long is the flight from Ireland to Heidelberg?

A quick flight from Ireland to Heidelberg can take about 4h 25m. KLM provides one of the quickest options available for as low as £160. There are 673 mi between Ireland and Heidelberg. Both multi-stop and direct flights can be found to your destination and back.

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.

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).

What are the cheapest flights from Ireland to Heidelberg?

While on average a flight from Ireland to Heidelberg is generally £1,020, our data shows the cheapest flight currently is £102. When looking at the most popular route, (Dublin - Frankfurt am Main), you can expect to pay £200 for that flight.

What are the most reliable airlines from Ireland to Heidelberg?

Consider LOT (98%), Austrian Airlines (87%) or Aer Lingus (84%) when booking your flight. These represent the most reliable airlines when flying from Ireland to Heidelberg.

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.

£64+ Cheap Flights from Ireland to Heidelberg

Cheap flight deals from Ireland to Heidelberg

Enter your travel dates to find the best prices.

Cheapest

Best

Direct

Last-minute

One-way

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 12 September 2026.

Tue 20/1007:00 -

Nonstop2h 15m

Thu 22/1007:00 -

Nonstop2h 05m

Deal found 11/9£95

Thu 29/1017:55 -

1 stop13h 25m

Mon 2/1110:45 -

Nonstop2h 15m

Deal found 11/9£112

Thu 8/1006:00 -

Nonstop2h 05m

Mon 12/1021:10 -

Nonstop2h 05m

Deal found 9/9£127

Tue 22/907:00 -

Nonstop2h 15m

Wed 23/920:40 -

Nonstop2h 05m

Deal found 11/9£127

Thu 15/1008:50 -

Nonstop2h 05m

Fri 16/1021:10 -

Nonstop2h 05m

Deal found 7/9£129

Fri 13/1105:10 -

Nonstop2h 00m

Mon 16/1121:40 -

Nonstop2h 05m

Deal found 7/9£132

Wed 25/1111:45 -

Nonstop2h 00m

Mon 30/1111:25 -

1 stop7h 20m

Deal found 7/9£135

Mon 16/1105:10 -

Nonstop2h 00m

Mon 16/1111:20 -

1 stop7h 25m

Deal found 9/9£138

Fri 27/1105:10 -

Nonstop2h 00m

Sun 29/1107:20 -

Nonstop2h 05m

Deal found 12/9£139

Fri 2/1006:05 -

Nonstop2h 10m

Mon 5/1021:10 -

Nonstop2h 05m

Deal found 9/9£141

Sun 25/1020:40 -

1 stop12h 55m

Sun 1/1110:45 -

Nonstop2h 15m

Deal found 12/9£144

Find flight deals from Ireland to Heidelberg

Round-trip from	£95
One-way from	£64
Popular in	June
Cheapest in	November
Average price	£129

Lufthansa
20/10-22/10
Nonstop
4h 20m total
Ireland to Heidelberg

Search Deals

KLM
9/2-31/12
1 total stop
8h 00m total
Ireland to Heidelberg

Search Deals

Highest demand for flights based on searches. 14% potential increase in price (£19 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 September 2026

Search Deals

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

Cheapest return flight

DublinFrankfurt am Main

DUB Dublin - FRA Frankfurt am Main

DUBFRA

Dublin

Tue 9/2

13:25-22:25

1 stop8h 00m

Frankfurt am Main

Wed 31/12

00:00-00:00

Nonstop0h 00m

£64

DublinFrankfurt am Main

DUB Dublin - FRA Frankfurt am Main

DUBFRA

Dublin

Mon 19/10

11:10-22:00

1 stop9h 50m

Frankfurt am Main

Wed 31/12

00:00-00:00

Nonstop0h 00m

£74

Fastest return journey

DublinFrankfurt am Main

DUB Dublin - FRA Frankfurt am Main

DUBFRA

Dublin

Sat 3/10

06:00-09:05

Nonstop2h 05m

Frankfurt am Main

Wed 31/12

00:00-00:00

Nonstop0h 00m

£89

DublinFrankfurt am Main

DUB Dublin - FRA Frankfurt am Main

DUBFRA

Dublin

Sun 14/2

11:00-22:05

1 stop10h 05m

Frankfurt am Main

Wed 31/12

00:00-00:00

Nonstop0h 00m

£90

DublinFrankfurt am Main

DUB Dublin - FRA Frankfurt am Main

DUBFRA

Dublin

Wed 23/12

20:40-10:25

1 stop12h 45m

Frankfurt am Main

Wed 31/12

00:00-00:00

Nonstop0h 00m

£90

DublinFrankfurt am Main

DUB Dublin - FRA Frankfurt am Main

DUBFRA

Dublin

Tue 13/10

06:05-19:20

2 stops12h 15m

Frankfurt am Main

Wed 31/12

00:00-00:00

Nonstop0h 00m

£92

DublinFrankfurt am Main

DUB Dublin - FRA Frankfurt am Main

DUBFRA

Dublin

Wed 14/10

06:30-18:00

2 stops10h 30m

Frankfurt am Main

Wed 31/12

00:00-00:00

Nonstop0h 00m

£98

DublinFrankfurt am Main

DUB Dublin - FRA Frankfurt am Main

DUBFRA

Dublin

Thu 10/12

12:10-20:50

1 stop7h 40m

Frankfurt am Main

Sat 12/12

09:55-11:00

Nonstop2h 05m

£148

DublinFrankfurt am Main

DUB Dublin - FRA Frankfurt am Main

DUBFRA

Dublin

Thu 10/12

05:45-11:10

1 stop4h 25m

Frankfurt am Main

Sat 12/12

18:30-22:15

1 stop4h 45m

£160

DublinFrankfurt am Main

DUB Dublin - FRA Frankfurt am Main

DUBFRA

Dublin

Fri 13/11

12:10-17:55

1 stop4h 45m

Frankfurt am Main

Mon 16/11

12:05-17:45

2 stops6h 40m

£189

Flights are sorted by cheapest return flights first.

Deals found on 11/9

Showing 1-10 of 15 resultsSorted by cheapest first

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.

DUB-FRA

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

IE0-HE1

DUB-FRA

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

When flying from Ireland to Heidelberg, the time of day you fly usually plays a role in the price. Save by searching for a flight at midday, which can drop the price by up to 68% versus a flight in the afternoon.

Weekly flight availability from Ireland to Heidelberg

The most flights from IE0 to HE1 are scheduled on a Wednesday (19 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (2 on average).

Reviews of airlines servicing Heidelberg

See what other customers who have flown with Aer Lingus and Lufthansa from Ireland 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.

Aer Lingus

7.3

Good

1,756 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Patrick,Sept 2026

DUB - IAD

I had a great experience. Crew was great and very accommodating.

Aer Lingus

7.3

Good

1,756 reviews

Aer Lingus

7.3

Good

1,756 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Patrick,Sept 2026

DUB - IAD

I had a great experience. Crew was great and very accommodating.

Lufthansa

6.8

Okay

8,220 reviews

Aer Lingus

7.3

Good

1,756 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Patrick,Sept 2026

DUB - IAD

I had a great experience. Crew was great and very accommodating.

Related info for your journey

How long is the flight from Ireland to Heidelberg?
A quick flight from Ireland to Heidelberg can take about 4h 25m. KLM provides one of the quickest options available for as low as £160. There are 673 mi between Ireland and Heidelberg. Both multi-stop and direct flights can be found to your destination and back.
What are the most reliable airlines from Ireland to Heidelberg?
Consider LOT (98%), Austrian Airlines (87%) or Aer Lingus (84%) 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 £1,020, our data shows the cheapest flight currently is £102. When looking at the most popular route, (Dublin - Frankfurt am Main), you can expect to pay £200 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.

See more FAQs

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Top 3 airlines flying from Ireland to Heidelberg

Airline	Cheapest	Average	Flexibility	On-time
Aer Lingus	Cheapest£61	Average£130	FlexibilityNo cancel fee	On-timeN/A	Search Aer Lingus flights
Eurowings	Cheapest£98	Average£171	FlexibilityNo cancel fee	On-time87%	Search Eurowings flights
Lufthansa	Cheapest£109	Average£157	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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Cheap flights from Ireland to Heidelberg from £64

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/2. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap 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 12 September 2026.

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 12 September 2026.

Best flights from Ireland to HeidelbergDiscover 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 12 September 2026.

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 12 September 2026.

Direct flights from Ireland to HeidelbergExplore direct flight options from Ireland to Heidelberg based on user searches, and compare prices and availability for your desired travel dates. Data last updated 12 September 2026.

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 12 September 2026.

Last-minute flights from Ireland to HeidelbergDiscover last-minute flight deals from Ireland to Heidelberg. Data last updated 12 September 2026 and is based on user searches.

Discover last-minute flight deals from Ireland to Heidelberg. Data last updated 12 September 2026 and is based on user searches.

One-way flights from Ireland to HeidelbergSearch for one-way flight options from Ireland to Heidelberg. Find affordable one-way fares based on user searches. Data last updated 12 September 2026.

Search for one-way flight options from Ireland to Heidelberg. Find affordable one-way fares based on user searches. Data last updated 12 September 2026.

Find flight deals from Ireland to Heidelberg

Round-trip from

One-way from

Popular in

Cheapest in

Average price

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

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 12 September 2026.

When flying from Ireland to Heidelberg, the time of day you fly usually plays a role in the price. Save by searching for a flight at midday, which can drop the price by up to 68% versus a flight in the afternoon.

Weekly flight availability from Ireland to Heidelberg

The most flights from IE0 to HE1 are scheduled on a Wednesday (19 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (2 on average).

Reviews of airlines servicing Heidelberg

See what other customers who have flown with Aer Lingus and Lufthansa from Ireland 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.

Related info for your journey

How long is the flight from Ireland to Heidelberg?

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?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Ireland to Heidelberg

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

Complete your trip

Complete your trip to Heidelberg by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to Baden-Wurttemberg

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Search flights from Ireland to Heidelberg by cabin class

Find flights from Ireland to Heidelberg, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Ireland and Heidelberg flights

Browse other Ireland and Heidelberg flight options. Last updated on 12 September 2026.

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Ireland to Heidelberg flights

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Top 3 airlines flying from Ireland to Heidelberg

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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 12 September 2026.

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 12 September 2026.

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 12 September 2026.

Last-minute flights from Ireland to Heidelberg
Discover last-minute flight deals from Ireland to Heidelberg. Data last updated 12 September 2026 and is based on user searches.

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 12 September 2026.