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Cheap flights from Belfast Intl Airport to Heidelberg from £110

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 5/5. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — FRA
6 Dec — 13 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Belfast Intl to Heidelberg

Keep the following information in mind while searching for Belfast Intl to Heidelberg flight deals. Data was last updated 6 November 2025.

Round-trip from

£222

One-way from

£110
3/12-10/12
  • 3/12-10/12
  • 4 total stops
  • 34h 00m total
  • Belfast to Heidelberg
Search Deals
5/5
  • 5/5
  • 2 total stops
  • 10h 45m total
  • Belfast to Heidelberg
Search Deals

Find flight deals from Belfast Intl to Heidelberg

Enter your travel dates to find the best prices.

Cheapest flights from Belfast Intl to Heidelberg
Explore the most affordable flight options available from Belfast Intl to Heidelberg. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 6 November 2025.

Wed 3/1218:25BFS - FRA
2 stops15h 05mMultiple Airlines
Wed 10/1214:25FRA - BFS
2 stops18h 55mMultiple Airlines
Deal found 5/11£222
Fri 19/1214:20BFS - FRA
1 stop6h 45mMultiple Airlines
Fri 26/1217:35FRA - BFS
1 stop5h 30mMultiple Airlines
Deal found 4/11£333
Sat 20/1212:45BFS - FRA
1 stop6h 45mMultiple Airlines
Sat 27/1221:40FRA - BFS
1 stop10h 05mMultiple Airlines
Deal found 5/11£337

Cheapflights Fare Finder

 
Customise your flight search to find flights from Belfast Intl 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 6 November 2025.
Use the filters below to find and compare flights from Belfast Intl Airport to Heidelberg that are best for you.

Fly from

Belfast Intl

Fly to

Heidelberg

Route

Depart

Return

Price

BelfastFrankfurt am Main

BFS - FRA

BFSFRA

Belfast Intl

Wed 3/12

18:25-10:30

2 stops15h 05m

Frankfurt am Main

Wed 10/12

14:25-08:20

2 stops18h 55m

£222

BelfastFrankfurt am Main

BFS - FRA

BFSFRA

Belfast Intl

Fri 19/12

14:20-22:05

1 stop6h 45m

Frankfurt am Main

Fri 26/12

17:35-22:05

1 stop5h 30m

£333

BelfastFrankfurt am Main

BFS - FRA

BFSFRA

Belfast Intl

Sat 20/12

12:45-20:30

1 stop6h 45m

Frankfurt am Main

Sat 27/12

21:40-06:45

1 stop10h 05m

£337

BelfastFrankfurt am Main

BFS - FRA

BFSFRA

Belfast Intl

Tue 5/5

07:35-19:20

2 stops10h 45m

£110

Flights are sorted by cheapest return flights first.

Deals found on 5/11

Best time to book a flight from Belfast Intl to Heidelberg

Have a flexible travel schedule? Discover the best time to fly to Heidelberg from Belfast Intl 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 Belfast Intl Airport to Heidelberg
No data available for this route at this time. Please check back soon.

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 6 November 2025.
Check out reviews from past customers who have flown with KLM from Belfast Intl Airport to Heidelberg to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.7
Good
1,405 reviews
Check prices

Entertainment

7.1

Comfort

7.7

Boarding

7.8

Food

7.3

Overall

7.7

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
KLM
7.7
Good
1,405 reviews
KLM
7.7
Good
1,405 reviews
Check prices

Entertainment

7.1

Comfort

7.7

Boarding

7.8

Food

7.3

Overall

7.7

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

Related info for your journey

Find useful and relevant information for your journey from Belfast Intl to Heidelberg. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

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

  • How can I find direct flights from Belfast Intl to Heidelberg?

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

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

    Yes. Cheapflights offers flight deals from Belfast Intl 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.

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Alternative routes for Belfast Intl to Heidelberg

See prices for flight routes from nearby airports that may be better suited for you.
Belfast Intl to Munich flights
Belfast City to Munich flights
Belfast Intl to Frankfurt flights
Belfast City to Frankfurt flights
Belfast Intl to Stuttgart flights
Belfast City to Stuttgart flights

Top airline flying from Belfast Intl to Heidelberg

Discover the top airline that operate flights from Belfast Intl 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 6 November 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£192Average£254FlexibilityNo cancel feeOn-time75%
Search KLM flights

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