How long is the flight from Northern Ireland to Heidelberg?

British Airways and KLM can get you from Northern Ireland to Heidelberg in just under 5h 55m. Your travel time can differ by up to 10h 50m. Northern Ireland and Heidelberg are separated by a distance of 684 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

February is one of the best times of the year to fly to Heidelberg from Northern Ireland. Prices for February average £236 per person but you can even find prices for as low as £185. The most expensive prices can be found in the month of September. Opting for a February flight can save you 19% on your journey compared to booking in September

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

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

How can I find direct flights from Northern Ireland to Heidelberg?

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

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

Yes. Cheapflights offers flight deals from Northern 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.

£184+ Cheap Flights from Northern Ireland to Heidelberg

Cheap flight deals from Northern Ireland to Heidelberg

Round-trip from	£184
Popular in	September
Cheapest in	February
Average price	£281

30/10-5/11
3 total stops
16h 45m total
Northern Ireland to Heidelberg

Search Deals

Highest demand for flights based on searches. 3% potential increase in price (£6 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (£4 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2025

Search Deals

Find flight deals from Northern Ireland to Heidelberg

Cheapest flights from Northern Ireland to Heidelberg
Explore the most affordable flight options available from Northern Ireland to Heidelberg. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 September 2025.

Thu 30/1021:20BFS - FRA

1 stop10h 00mMultiple Airlines

Wed 5/1110:45FRA - BFS

2 stops6h 45mMultiple Airlines

Deal found 15/9£184

Sat 13/1215:05BHD - FRA

1 stop5h 55mBritish Airways

Tue 16/1216:25FRA - BHD

1 stop4h 50mBritish Airways

Deal found 14/9£196

Mon 22/1217:45BHD - FRA

1 stop15h 40mBritish Airways

Tue 23/1219:10FRA - BHD

1 stop14h 15mBritish Airways

Deal found 13/9£213

Sat 20/1217:20BHD - FRA

1 stop16h 45mKLM

Sat 27/1218:30FRA - BHD

1 stop3h 30mKLM

Deal found 13/9£216

Thu 30/1006:35BHD - FRA

1 stop9h 05mBritish Airways

Wed 5/1107:20FRA - BHD

1 stop5h 10mBritish Airways

Deal found 15/9£222

Thu 18/1215:05BHD - FRA

1 stop5h 55mBritish Airways

Tue 23/1216:25FRA - BHD

1 stop17h 00mBritish Airways

Deal found 13/9£227

Mon 22/1206:30BHD - FRA

1 stop14h 55mKLM

Sat 27/1218:30FRA - BHD

1 stop3h 30mKLM

Deal found 13/9£227

Thu 18/1209:05BHD - FRA

1 stop11h 55mBritish Airways

Thu 25/1211:25FRA - BHD

1 stop21h 05mBritish Airways

Deal found 13/9£234

Sun 21/1220:25BHD - FRA

1 stop24h 35mBritish Airways

Tue 23/1207:20FRA - BHD

1 stop26h 05mBritish Airways

Deal found 13/9£244

Thu 18/1209:05BHD - FRA

1 stop11h 55mBritish Airways

Mon 29/1215:10FRA - BHD

1 stop4h 30mBritish Airways

Deal found 13/9£249

Fri 19/1208:45BHD - FRA

1 stop7h 25mBritish Airways

Thu 25/1211:25FRA - BHD

1 stop21h 05mBritish Airways

Deal found 13/9£257

Thu 30/1012:00BHD - FRA

2 stops21h 05mMultiple Airlines

Wed 5/1109:10FRA - BHD

2 stops12h 20mMultiple Airlines

Deal found 15/9£258

Best flights from Northern Ireland to Heidelberg
Discover carefully curated flight deals from Northern Ireland to Heidelberg that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 16 September 2025.

Thu 30/1021:20BFS - FRA

1 stop10h 00mMultiple Airlines

Wed 5/1110:45FRA - BFS

2 stops6h 45mMultiple Airlines

Deal found 15/9£184

Sat 13/1215:05BHD - FRA

1 stop5h 55mBritish Airways

Tue 16/1216:25FRA - BHD

1 stop4h 50mBritish Airways

Deal found 14/9£196

Sun 21/1217:20BHD - FRA

1 stop16h 45mKLM

Fri 26/1217:50FRA - BHD

1 stop4h 10mKLM

Deal found 13/9£216

Sun 21/1217:20BHD - FRA

1 stop16h 45mKLM

Sat 27/1218:30FRA - BHD

1 stop3h 30mKLM

Deal found 13/9£216

Thu 30/1006:35BHD - FRA

1 stop9h 05mBritish Airways

Wed 5/1107:20FRA - BHD

1 stop5h 10mBritish Airways

Deal found 15/9£222

Sat 20/1217:20BHD - FRA

1 stop4h 05mKLM

Fri 26/1217:50FRA - BHD

1 stop4h 10mKLM

Deal found 13/9£216

Thu 18/1215:05BHD - FRA

1 stop5h 55mBritish Airways

Tue 23/1216:25FRA - BHD

1 stop17h 00mBritish Airways

Deal found 13/9£227

Sat 20/1217:20BHD - FRA

1 stop16h 45mKLM

Sat 27/1218:30FRA - BHD

1 stop3h 30mKLM

Deal found 13/9£216

Mon 6/1008:10BFS - FRA

2 stops12h 50mMultiple Airlines

Thu 9/1019:20FRA - BFS

2 stops12h 50mMultiple Airlines

Deal found 15/9£281

Wed 24/1215:40BHD - FRA

1 stop5h 20mBritish Airways

Thu 25/1211:25FRA - BHD

1 stop21h 05mBritish Airways

Deal found 13/9£234

Mon 22/1206:30BHD - FRA

1 stop11h 10mKLM

Fri 26/1217:50FRA - BHD

1 stop4h 10mKLM

Deal found 13/9£227

Tue 23/1217:15BHD - FRA

1 stop19h 55mBritish Airways

Thu 25/1211:25FRA - BHD

1 stop21h 05mBritish Airways

Deal found 13/9£234

Last-minute flights from Northern Ireland to Heidelberg
Discover last-minute flight deals from Northern Ireland to Heidelberg. Data last updated 16 September 2025 and is based on user searches.

Sun 5/1021:00BFS - FRA

1 stop13h 35mMultiple Airlines

Thu 9/1004:45FRA - BFS

1 stop9h 05mMultiple Airlines

Deal found 13/9£288

Mon 6/1008:10BFS - FRA

2 stops12h 50mMultiple Airlines

Thu 9/1019:20FRA - BFS

2 stops12h 50mMultiple Airlines

Deal found 15/9£281

Wed 8/1007:05BFS - FRA

1 stop3h 50mMultiple Airlines

Mon 13/1022:00FRA - BFS

1 stop10h 05mMultiple Airlines

Deal found 15/9£321

Fri 10/1007:05BFS - FRA

1 stop3h 50mMultiple Airlines

Mon 13/1022:00FRA - BFS

1 stop10h 05mMultiple Airlines

Deal found 13/9£296

Sat 25/1019:00BHD - FRA

1 stop27h 00mBritish Airways

Tue 28/1010:15FRA - BHD

1 stop4h 15mBritish Airways

Deal found 14/9£344

Sat 25/1017:25BHD - FRA

1 stop3h 35mMultiple Airlines

Tue 28/1010:45FRA - BHD

2 stops11h 10mMultiple Airlines

Deal found 14/9£354

Thu 30/1021:20BFS - FRA

1 stop10h 00mMultiple Airlines

Wed 5/1110:45FRA - BFS

2 stops6h 45mMultiple Airlines

Deal found 15/9£184

Thu 30/1006:35BHD - FRA

1 stop9h 05mBritish Airways

Wed 5/1107:20FRA - BHD

1 stop5h 10mBritish Airways

Deal found 15/9£222

Thu 30/1012:00BHD - FRA

2 stops21h 05mMultiple Airlines

Wed 5/1109:10FRA - BHD

2 stops12h 20mMultiple Airlines

Deal found 15/9£258

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

BelfastFrankfurt am Main

BFS - FRA

BFSFRA

Belfast Intl

Thu 30/10

21:20-08:20

1 stop10h 00m

Frankfurt am Main

Wed 5/11

10:45-16:30

2 stops6h 45m

£184

BelfastFrankfurt am Main

BHD - FRA

BHDFRA

Belfast City

Sat 13/12

15:05-22:00

1 stop5h 55m

Frankfurt am Main

Tue 16/12

16:25-20:15

1 stop4h 50m

£196

BelfastFrankfurt am Main

BHD - FRA

BHDFRA

Belfast City

Sun 21/12

17:20-11:05

1 stop16h 45m

Frankfurt am Main

Fri 26/12

17:50-21:00

1 stop4h 10m

£216

BelfastFrankfurt am Main

BHD - FRA

BHDFRA

Belfast City

Sun 21/12

17:20-11:05

1 stop16h 45m

Frankfurt am Main

Sat 27/12

18:30-21:00

1 stop3h 30m

£216

BelfastFrankfurt am Main

BHD - FRA

BHDFRA

Belfast City

Sat 20/12

17:20-22:25

1 stop4h 05m

Frankfurt am Main

Fri 26/12

17:50-21:00

1 stop4h 10m

£216

BelfastFrankfurt am Main

BHD - FRA

BHDFRA

Belfast City

Sat 20/12

17:20-11:05

1 stop16h 45m

Frankfurt am Main

Sat 27/12

18:30-21:00

1 stop3h 30m

£216

BelfastFrankfurt am Main

BHD - FRA

BHDFRA

Belfast City

Thu 30/10

06:35-16:40

1 stop9h 05m

Frankfurt am Main

Wed 5/11

07:20-11:30

1 stop5h 10m

£222

BelfastFrankfurt am Main

BHD - FRA

BHDFRA

Belfast City

Thu 18/12

15:05-22:00

1 stop5h 55m

Frankfurt am Main

Tue 23/12

16:25-08:25

1 stop17h 00m

£227

BelfastFrankfurt am Main

BHD - FRA

BHDFRA

Belfast City

Mon 22/12

06:30-18:40

1 stop11h 10m

Frankfurt am Main

Fri 26/12

17:50-21:00

1 stop4h 10m

£227

BelfastFrankfurt am Main

BHD - FRA

BHDFRA

Belfast City

Wed 24/12

15:40-22:00

1 stop5h 20m

Frankfurt am Main

Thu 25/12

11:25-07:30

1 stop21h 05m

£234

Flights are sorted by cheapest return flights first.

Deals found on 15/9

Showing 1-10 of 18 results

Best time to book a flight from Northern Ireland to Heidelberg

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

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

Currently, February is the cheapest month in which you can book a flight from Northern Ireland to Heidelberg (average of £187). Flying from Northern Ireland to Heidelberg in June is currently the most expensive (average of £247). 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 NIR to HE1?

When flying from Northern 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.

Related info for your journey

How long is the flight from Northern Ireland to Heidelberg?
British Airways and KLM can get you from Northern Ireland to Heidelberg in just under 5h 55m. Your travel time can differ by up to 10h 50m. Northern Ireland and Heidelberg are separated by a distance of 684 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.
Can I find deals for flights from Northern Ireland to Heidelberg that include hotel bookings?
Yes. In addition to deals on Northern Ireland to Heidelberg flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Northern Ireland to Heidelberg?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Northern Ireland to Heidelberg.
Can I find deals for business class flights from Northern Ireland to Heidelberg?
Yes. Cheapflights offers flight deals from Northern 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 Northern Ireland to Heidelberg?
Currently, February is the cheapest month in which you can book a flight from Northern Ireland to Heidelberg (average of £187). Flying from Northern Ireland to Heidelberg in June is currently the most expensive (average of £247). 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

Alternative routes for Northern Ireland to Heidelberg

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Luton to Stuttgart flights

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Heathrow to Karlsruhe flights

Gatwick to Karlsruhe flights

Luton to Karlsruhe flights

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Bristol to Munich flights

Leeds to Munich flights

Southend to Stuttgart flights

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Leeds to Frankfurt flights

Newcastle upon Tyne to Munich flights

Birmingham to Stuttgart flights

East Midlands to Munich flights

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Exeter to Munich flights

Leeds to Stuttgart flights

Cardiff to Frankfurt flights

Glasgow Intl to Stuttgart flights

Top airline flying from Northern Ireland to Heidelberg

Airline	Cheapest	Average	Flexibility	On-time
KLM	Cheapest£184	Average£222	FlexibilityNo cancel fee	On-time75%	Search KLM flights

Fly with Cheapflights

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

Cheapflights makes it easy to find Northern 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 Northern Ireland to Heidelberg?

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

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

Yes, Cheapflights offers price alerts on Northern Ireland to Heidelberg flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the 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 Northern Ireland to Heidelberg from £184

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 30/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Northern Ireland to Heidelberg

Keep the following information in mind while searching for Northern Ireland to Heidelberg flight deals. Data was last updated 16 September 2025.

Round-trip from

Popular in

Cheapest in

Average price

Find flight deals from Northern Ireland to Heidelberg

Cheapest flights from Northern Ireland to HeidelbergExplore the most affordable flight options available from Northern Ireland to Heidelberg. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 September 2025.

Explore the most affordable flight options available from Northern Ireland to Heidelberg. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 September 2025.

Cheapflights Fare Finder

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

Best time to book a flight from Northern Ireland to Heidelberg

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

Cheapflights Insights

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

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

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

Find hourly flight availability from Northern 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 16 September 2025.

Related info for your journey

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

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

How can I find direct flights from Northern Ireland to Heidelberg?

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

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

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

Top airline flying from Northern 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 Northern Ireland to Heidelberg?

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

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

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

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Northern Ireland to Heidelberg
Explore the most affordable flight options available from Northern Ireland to Heidelberg. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 September 2025.