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.
BFS — FRA
16 Oct — 23 Oct1
1 adult
1 adult, Economy

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

£184

Popular in

September

Cheapest in

February

Average price

£281
30/10-5/11
  • 30/10-5/11
  • 3 total stops
  • 16h 45m total
  • Northern Ireland to Heidelberg
Highest demand for flights based on searches. 3% potential increase in price (£6 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£4 potential savings vs. average return price).
Average for round-trip flights in September 2025

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

Cheapflights Fare Finder

 
Customise your flight search to find flights from Northern Ireland 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 16 September 2025.
Use the filters below to find and compare flights from Northern Ireland to Heidelberg that are best for you.

Fly from

Northern Ireland

Fly to

Heidelberg

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
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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?

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.

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

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?

    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

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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

Discover the top airline that operate flights from Northern Ireland 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 16 September 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£184Average£222FlexibilityNo cancel feeOn-time75%
Search KLM flights

Fly with Cheapflights

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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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