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Cheap flights from Belgrade to London Heathrow Airport from £57

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 6/11. Fares are subject to change and may not be available on all flights or dates of travel.
BEG — LHR
17 Oct — 24 Oct1
1 adult
1 adult, Economy

Cheap flight deals from Belgrade to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Belgrade (BEG) to Heathrow (LHR). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 17 September 2025.

Round-trip from

£120

One-way from

£57

Popular in

April

Cheapest in

February

Average price

£158

Good round-trip deal

£42 or less

Good one-way deal

£42 or less
Air Serbia
  • Air Serbia
  • 5/3-24/3
  • Nonstop
  • 5h 40m total
  • Belgrade to London
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Air Serbia
  • Air Serbia
  • 6/11
  • Nonstop
  • 3h 00m total
  • Belgrade to London
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Highest demand for flights based on searches. 19% potential increase in price (£38 potential increase over avg. return price).
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Cheapest flight prices on average. 4% potential price decrease (£8 potential savings vs. average return price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Belgrade Nikola Tesla to London Heathrow.
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Price to beat on a one-way flight from Belgrade Nikola Tesla to London Heathrow.
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Find flight deals from Belgrade to Heathrow

Cheapest flights from Belgrade to Heathrow
Explore the most affordable flight options available from Belgrade to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 September 2025.

Thu 4/1210:20BEG - LHR
Nonstop3h 00mAir Serbia
Sun 7/1213:20LHR - BEG
Nonstop2h 40mAir Serbia
Deal found 16/9£131
Sat 29/1110:20BEG - LHR
Nonstop3h 00mAir Serbia
Sun 7/1213:20LHR - BEG
Nonstop2h 40mAir Serbia
Deal found 15/9£132
Wed 5/1110:20BEG - LHR
Nonstop3h 00mAir Serbia
Thu 6/1113:20LHR - BEG
Nonstop2h 40mAir Serbia
Deal found 15/9£133
Thu 23/1017:15BEG - LHR
1 stop17h 05mLOT
Tue 28/1006:30LHR - BEG
1 stop5h 45mLOT
Deal found 16/9£137
Wed 29/1017:15BEG - LHR
1 stop17h 20mLOT
Wed 5/1106:30LHR - BEG
1 stop5h 45mLOT
Deal found 14/9£139
Wed 1/1017:15BEG - LHR
1 stop17h 05mLOT
Sat 4/1006:30LHR - BEG
1 stop5h 50mLOT
Deal found 15/9£140
Thu 6/1110:20BEG - LHR
Nonstop3h 00mAir Serbia
Fri 14/1113:20LHR - BEG
Nonstop2h 40mAir Serbia
Deal found 14/9£144
Fri 14/1110:20BEG - LHR
Nonstop3h 00mAir Serbia
Tue 18/1113:20LHR - BEG
Nonstop2h 40mAir Serbia
Deal found 14/9£144
Wed 26/1110:20BEG - LHR
Nonstop3h 00mAir Serbia
Sun 30/1113:20LHR - BEG
Nonstop2h 40mAir Serbia
Deal found 16/9£147
Thu 6/1113:55BEG - LHR
1 stop9h 05mLOT
Fri 14/1118:20LHR - BEG
1 stop21h 15mLOT
Deal found 14/9£149
Fri 7/1117:15BEG - LHR
1 stop25h 05mLOT
Tue 11/1106:30LHR - BEG
1 stop5h 45mLOT
Deal found 16/9£150

Cheapflights Fare Finder

 
Customise your flight search to find flights from Belgrade to Heathrow 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 17 September 2025.
Use the filters below to find and compare flights from Belgrade to London Heathrow Airport that are best for you.

Fly from

Belgrade

Fly to

Heathrow

Route

Depart

Return

Price

BelgradeLondon

BEG - LHR

BEGLHR

Belgrade Nikola Tesla

Tue 10/3

10:20-12:20

Nonstop3h 00m

London Heathrow

Tue 24/3

13:20-17:00

Nonstop2h 40m

£120

BelgradeLondon

BEG - LHR

BEGLHR

Belgrade Nikola Tesla

Mon 9/3

10:20-12:20

Nonstop3h 00m

London Heathrow

Tue 24/3

13:20-17:00

Nonstop2h 40m

£120

BelgradeLondon

BEG - LHR

BEGLHR

Belgrade Nikola Tesla

Fri 6/3

10:20-12:20

Nonstop3h 00m

London Heathrow

Tue 24/3

13:20-17:00

Nonstop2h 40m

£120

BelgradeLondon

BEG - LHR

BEGLHR

Belgrade Nikola Tesla

Thu 23/10

17:15-09:20

1 stop17h 05m

London Heathrow

Tue 28/10

06:30-13:15

1 stop5h 45m

£137

BelgradeLondon

BEG - LHR

BEGLHR

Belgrade Nikola Tesla

Wed 29/10

17:15-09:35

1 stop17h 20m

London Heathrow

Wed 5/11

06:30-13:15

1 stop5h 45m

£139

BelgradeLondon

BEG - LHR

BEGLHR

Belgrade Nikola Tesla

Fri 14/11

17:15-22:00

1 stop5h 45m

London Heathrow

Tue 18/11

18:20-13:15

1 stop17h 55m

£140

BelgradeLondon

BEG - LHR

BEGLHR

Belgrade Nikola Tesla

Thu 6/11

10:20-12:20

Nonstop3h 00m

London Heathrow

Fri 14/11

13:20-17:00

Nonstop2h 40m

£144

BelgradeLondon

BEG - LHR

BEGLHR

Belgrade Nikola Tesla

Wed 11/3

10:20-12:20

Nonstop3h 00m

London Heathrow

Wed 25/3

13:20-17:00

Nonstop2h 40m

£144

BelgradeLondon

BEG - LHR

BEGLHR

Belgrade Nikola Tesla

Fri 6/3

10:20-12:20

Nonstop3h 00m

London Heathrow

Wed 25/3

13:20-17:00

Nonstop2h 40m

£144

BelgradeLondon

BEG - LHR

BEGLHR

Belgrade Nikola Tesla

Wed 11/3

10:20-12:20

Nonstop3h 00m

London Heathrow

Sun 22/3

13:20-17:00

Nonstop2h 40m

£144

Flights are sorted by cheapest return flights first.

Deals found on 14/9

Showing 1-10 of 23 results
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Best time to book a flight from Belgrade to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Belgrade 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 Belgrade to London Heathrow Airport

What is the cheapest month to book a flight from Belgrade to London Heathrow Airport?

Currently, January is the cheapest month in which you can book a flight from Belgrade to London Heathrow Airport (average of £112). Flying from Belgrade to London Heathrow Airport in August is currently the most expensive (average of £164). 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 BEG to LHR?

Find hourly flight availability from Belgrade to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 17 September 2025.

It’s optimal to fly from Belgrade to London Heathrow Airport in the morning. By choosing this option you can save up to 81% on the cost of your flight, compared to a flight at midday.

How much does it cost for a return flight from Belgrade to London Heathrow Airport?

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. 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 Heathrow. Reviews last updated 17 September 2025.
See what other customers who have flown with Air Serbia from Belgrade to London Heathrow Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air Serbia
6.3
Okay
200 reviews
Check prices

Entertainment

5.6

Food

5.8

Crew

7.2

Overall

6.3

Comfort

6.5

Boarding

6.3

Reviews

1 / 14
4.0
Okay

Anonymous,Sept 2023

LJU - BEG

4 hour delay No comfortable seats to sit on Sandwich,chips and water given at midnight
Air Serbia
6.3
Okay
200 reviews
Air Serbia
6.3
Okay
200 reviews
Check prices

Entertainment

5.6

Food

5.8

Crew

7.2

Overall

6.3

Comfort

6.5

Boarding

6.3

Reviews

1 / 14
4.0
Okay

Anonymous,Sept 2023

LJU - BEG

4 hour delay No comfortable seats to sit on Sandwich,chips and water given at midnight

Related info for your journey

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

  • What airport do you fly from for flights from Belgrade to London Heathrow?

    Located just 7.1 mi from the city center, Belgrade Nikola Tesla is the airport most travelers will use when flying to London Heathrow from Belgrade. Booking flights from Nikola Tesla (BEG) to London Heathrow should be relatively easy as there is 1 daily outbound flight to London Heathrow from 1 airline.

  • How long is the flight from Belgrade to London Heathrow Airport?

    For as low as £120, Air Serbia can have you in London Heathrow Airport from Belgrade in 3h. There are 1056 mi between Belgrade and London Heathrow Airport. This flight may include one or multiple stops.

  • What is the cheapest airline to fly from Belgrade to London Heathrow Airport round-trip?

    According to our current data, Air Serbia (£91), offers the cheapest pricing from Belgrade to London Heathrow Airport. Air Serbia is priced at 58% lower than the current average price of a flight leaving 3 months from now.

  • What are the most reliable airlines from Belgrade to London Heathrow Airport?

    Before booking your flight to London Heathrow Airport from Belgrade, check out the most reliable airlines to get you to your destination on time: Air Serbia (61%), Bulgaria Air (60%), JetBlue( 56%).

  • What are the cheapest flights from Belgrade to London Heathrow Airport?

    Looking at all options, your cheapest flight can be booked for £40. While the most popular route (Belgrade Nikola Tesla - London Heathrow) can be booked for £156 on average, our data indicates £42 when flying from Belgrade to London Heathrow Airport.

  • Can I find deals for flights from Belgrade to Heathrow that include hotel bookings?

    Yes. In addition to deals on Belgrade to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Belgrade to Heathrow?

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

  • Can I find deals for business class flights from Belgrade to Heathrow?

    Yes. Cheapflights offers flight deals from Belgrade to Heathrow 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 Belgrade to London Heathrow Airport?

    Currently, January is the cheapest month in which you can book a flight from Belgrade to London Heathrow Airport (average of £112). Flying from Belgrade to London Heathrow Airport in August is currently the most expensive (average of £164). 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

Travelling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Milton Keynes
Croydon
Hounslow
Slough
Gatwick
Northampton
Luton
Deal
Wembley
Ilford
Crawley
Hayes
Watford
Winchester
Chichester
Ipswich
Swindon
Dartford
Guildford
Brentford

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.

Top airline flying from Belgrade to Heathrow

Discover the top airline that operate flights from Belgrade to Heathrow. 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 17 September 2025.
AirlineCheapestAverageFlexibilityOn-time
Air SerbiaCheapest£91Average£176FlexibilityNo cancel feeOn-timeN/A
Search Air Serbia flights

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 Belgrade to Heathrow?

Deals for Belgrade to Heathrow 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.

Why should you use Cheapflights to find cheap flight tickets from Belgrade to Heathrow?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Heathrow from Belgrade.

Can Cheapflights find flights from Belgrade to Heathrow with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Belgrade to Heathrow flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Belgrade to Heathrow become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Heathrow from Belgrade today and book when prices fit your budget.

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