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Cheap flights from Belfast Intl Airport to Heidelberg from £112

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 23/3. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — FRA
28 Mar — 4 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap 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 26 February 2026.

Thu 9/418:20
BFS
-
FRA
2 stops14h 55m
Multiple Airlines
Thu 16/409:50
FRA
-
BFS
3 stops30h 30m
Multiple Airlines
Deal found 23/2£251
Fri 4/906:05
BFS
-
FRA
1 stop15h 10m
Multiple Airlines
Wed 9/914:00
FRA
-
BFS
1 stop7h 30m
Multiple Airlines
Deal found 24/2£261
Sun 27/909:55
BFS
-
FRA
1 stop7h 10m
Multiple Airlines
Fri 2/1008:55
FRA
-
BFS
1 stop12h 40m
Multiple Airlines
Deal found 22/2£262
Sat 11/416:55
BFS
-
FRA
2 stops16h 20m
Multiple Airlines
Sat 18/414:55
FRA
-
BFS
2 stops9h 25m
Multiple Airlines
Deal found 25/2£278
Fri 10/406:05
BFS
-
FRA
1 stop5h 45m
Multiple Airlines
Fri 17/408:55
FRA
-
BFS
1 stop12h 40m
Multiple Airlines
Deal found 23/2£297
Fri 27/207:50
BFS
-
FRA
3 stops25h 40m
Multiple Airlines
Sun 1/318:55
FRA
-
BFS
3 stops27h 20m
Multiple Airlines
Deal found 23/2£299

Find 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 26 February 2026.

Round-trip from

£251

One-way from

£112
9/4-16/4
  • 9/4-16/4
  • 5 total stops
  • 45h 25m total
  • Belfast to Heidelberg
Search Deals
23/3
  • 23/3
  • 2 total stops
  • 9h 05m total
  • Belfast to Heidelberg
Search Deals

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 26 February 2026.
Use the filters below to find and compare flights from Belfast Intl Airport to Heidelberg that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BelfastFrankfurt am Main

BFS - FRA

BFSFRA

Belfast Intl

Thu 9/4

18:20-10:15

2 stops14h 55m

Frankfurt am Main

Thu 16/4

09:50-15:20

3 stops30h 30m

£251

BelfastFrankfurt am Main

BFS - FRA

BFSFRA

Belfast Intl

Sat 11/4

16:55-10:15

2 stops16h 20m

Frankfurt am Main

Sat 18/4

14:55-23:20

2 stops9h 25m

£278

BelfastFrankfurt am Main

BFS - FRA

BFSFRA

Belfast Intl

Fri 10/4

06:05-12:50

1 stop5h 45m

Frankfurt am Main

Fri 17/4

08:55-20:35

1 stop12h 40m

£297

BelfastFrankfurt am Main

BFS - FRA

BFSFRA

Belfast Intl

Mon 25/5

05:50-12:35

1 stop5h 45m

Frankfurt am Main

Thu 28/5

10:55-17:05

2 stops7h 10m

£352

BelfastFrankfurt am Main

BFS - FRA

BFSFRA

Belfast Intl

Mon 23/3

07:50-17:55

2 stops9h 05m

£112

Flights are sorted by cheapest return flights first.

Deals found on 22/2

Sorted by cheapest first

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 26 February 2026.
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
1,460 reviews
Check prices

Overall

7.7

Comfort

7.6

Entertainment

7.1

Crew

8.4

Food

7.3

Boarding

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
KLM
7.7
Good
1,460 reviews
KLM
7.7
Good
1,460 reviews
Check prices

Overall

7.7

Comfort

7.6

Entertainment

7.1

Crew

8.4

Food

7.3

Boarding

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

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 Frankfurt flights
Belfast City to Frankfurt flights
Belfast Intl to Munich flights
Belfast Intl to Stuttgart flights
Belfast City to Munich 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 26 February 2026.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£216Average£246FlexibilityNo cancel feeOn-time75%
Search KLM flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Belfast Intl to Heidelberg?

Deals for Belfast Intl to Heidelberg flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

Users can book flights with no change fees policies with our dedicated filters. Book flights from Belfast Intl to Heidelberg flexibly with Cheapflights today.

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

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