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$123+ Cheap flights from Heathrow (LHR) to Belgrade (BEG)

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 5/30. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — BEG
May 22 — May 291
Fri 5/22
Fri 5/29
1 adult, Economy
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Cheapflights Tip: The best prices from London Heathrow to Belgrade Nikola Tesla are usually found in July or August, booked 24 days in advance, depart on a Friday or Tuesday and return on a Monday

Cheap flight deals from Heathrow to Belgrade

Cheapest flights from Heathrow to Belgrade
Explore the most affordable flight options available from Heathrow to Belgrade. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 22, 2026.

This oojo deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/166:30 am
LHR
-
BEG
1 stop9h 05m
LOT
Tue 6/232:00 pm
BEG
-
LHR
1 stop9h 00m
LOT
Deal found 4/22$251
This Air Serbia deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Serbia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/177:25 pm
LHR
-
BEG
Nonstop2h 45m
Air Serbia
Thu 5/2110:25 am
BEG
-
LHR
Nonstop3h 05m
Air Serbia
Deal found 4/21$261
This Air Serbia deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Serbia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/167:55 pm
LHR
-
BEG
Nonstop2h 45m
Air Serbia
Thu 5/2110:25 am
BEG
-
LHR
Nonstop3h 05m
Air Serbia
Deal found 4/19$262
This KLM deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/2911:45 am
LHR
-
BEG
1 stop10h 10m
KLM
Mon 7/612:35 pm
BEG
-
LHR
1 stop7h 50m
KLM
Deal found 4/22$273
This oojo deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/66:30 am
LHR
-
BEG
1 stop9h 05m
LOT
Wed 7/155:15 pm
BEG
-
LHR
1 stop5h 45m
LOT
Deal found 4/19$275
This KLM deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/12:45 pm
LHR
-
BEG
1 stop7h 10m
KLM
Thu 6/2512:35 pm
BEG
-
LHR
1 stop4h 40m
KLM
Deal found 4/21$278
This Lufthansa deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/14:25 pm
LHR
-
BEG
1 stop4h 40m
Lufthansa
Tue 6/231:10 pm
BEG
-
LHR
1 stop6h 15m
Lufthansa
Deal found 4/22$279
This Kiwi.com deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/21:30 pm
LHR
-
BEG
Nonstop2h 45m
Air Serbia
Wed 6/1010:25 am
BEG
-
LHR
Nonstop3h 05m
Air Serbia
Deal found 4/20$282
This Lufthansa deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/16:55 am
LHR
-
BEG
1 stop4h 25m
Lufthansa
Sun 6/216:15 am
BEG
-
LHR
1 stop4h 40m
Lufthansa
Deal found 4/22$289
This Air Serbia deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Serbia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/151:20 pm
LHR
-
BEG
Nonstop2h 45m
Air Serbia
Thu 11/1910:15 am
BEG
-
LHR
Nonstop3h 05m
Air Serbia
Deal found 4/19$292
This Air Serbia deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Serbia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/201:20 pm
LHR
-
BEG
Nonstop2h 45m
Air Serbia
Sun 11/2210:15 am
BEG
-
LHR
Nonstop3h 05m
Air Serbia
Deal found 4/20$293

Find flight deals from Heathrow to Belgrade

Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) to Belgrade (BEG). 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 April 22, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$241

One-way from

$123
(Kiwi.com)

Popular in

December

Cheapest in

July

Average price

$279

Good round-trip deal

$431 or less

Good one-way deal

$152 or less
Provider with most accurate pricing for London Heathrow-Belgrade Nikola Tesla flight deals.
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Provider most trusted by Cheapflights users for London Heathrow-Belgrade Nikola Tesla flights.
Search Deals
From London Heathrow to Belgrade Nikola Tesla
Search Deals
One-way flight from London Heathrow to Belgrade Nikola Tesla
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($50 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals
Price to beat on a round-trip flight from London Heathrow to Belgrade Nikola Tesla.
Search Deals
Price to beat on a one-way flight from London Heathrow to Belgrade Nikola Tesla.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Heathrow to Belgrade 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 2,558,603 searches. Data last updated April 22, 2026.
Use the filters below to find and compare flights from London Heathrow Airport to Belgrade that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LondonBelgrade

LHR - BEG

LHRBEG

London Heathrow

Wed 6/17

5:10 pm-10:55 pm

1 stop4h 45m

Belgrade Nikola Tesla

Mon 7/6

12:35 pm-7:25 pm

1 stop7h 50m

$297
Quickest round-trip

LondonBelgrade

LHR - BEG

LHRBEG

London Heathrow

Thu 9/24

1:30 pm-5:15 pm

Nonstop2h 45m

Belgrade Nikola Tesla

Sat 10/3

5:00 pm-7:05 pm

Nonstop3h 05m

$313

LondonBelgrade

LHR - BEG

LHRBEG

London Heathrow

Fri 9/25

1:30 pm-5:15 pm

Nonstop2h 45m

Belgrade Nikola Tesla

Fri 10/2

10:25 am-12:30 pm

Nonstop3h 05m

$313

LondonBelgrade

LHR - BEG

LHRBEG

London Heathrow

Tue 6/16

1:30 pm-5:15 pm

Nonstop2h 45m

Belgrade Nikola Tesla

Tue 6/23

10:25 am-12:30 pm

Nonstop3h 05m

$315

LondonBelgrade

LHR - BEG

LHRBEG

London Heathrow

Wed 6/3

5:10 pm-10:55 pm

1 stop4h 45m

Belgrade Nikola Tesla

Wed 6/10

12:35 pm-5:35 pm

1 stop6h 00m

$329

LondonBelgrade

LHR - BEG

LHRBEG

London Heathrow

Thu 7/2

9:55 am-10:55 pm

1 stop12h 00m

Belgrade Nikola Tesla

Sat 7/11

12:35 pm-8:55 pm

1 stop9h 20m

$341

LondonBelgrade

LHR - BEG

LHRBEG

London Heathrow

Tue 5/19

9:55 am-10:55 pm

1 stop12h 00m

Belgrade Nikola Tesla

Fri 5/29

12:35 pm-7:25 pm

1 stop7h 50m

$345

LondonBelgrade

LHR - BEG

LHRBEG

London Heathrow

Mon 7/6

1:30 pm-5:15 pm

Nonstop2h 45m

Belgrade Nikola Tesla

Wed 7/15

10:25 am-12:30 pm

Nonstop3h 05m

$403
Cheapest one-way
Quickest one-way

LondonBelgrade

LHR - BEG

LHRBEG

London Heathrow

Mon 6/1

1:30 pm-5:15 pm

Nonstop2h 45m

$155

LondonBelgrade

LHR - BEG

LHRBEG

London Heathrow

Fri 5/15

9:55 am-10:55 pm

1 stop12h 00m

$178

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/19

Showing 1-10 of 14 resultsSorted by cheapest first
1
2
  • Most accurate provider: When it comes to deals on London Heathrow Airport-Belgrade flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on London Heathrow Airport-Belgrade flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from London Heathrow Airport-Belgrade flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on London Heathrow Airport-Belgrade flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for London Heathrow Airport-Belgrade flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Heathrow to Belgrade

Have a flexible travel schedule? Discover the best time to fly to Belgrade from Heathrow with our price prediction graph.
Estimated round-trip 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 London Heathrow Airport to Belgrade

How far ahead should I book a flight from London Heathrow Airport to Belgrade?

Use this chart to determine the optimal time to book a round-trip flight from Heathrow to Belgrade. Price data was last updated on April 17, 2026.

Booking 24 days in advance of your planned departure date is, on average, the best time to get cheap flights from London Heathrow Airport to Belgrade. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, July is the cheapest month in which you can book a flight from London Heathrow Airport to Belgrade (average of $124). Flying from London Heathrow Airport to Belgrade in December is currently the most expensive (average of $392). 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 LHR to BEG?

Find hourly flight availability from Heathrow to Belgrade. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 22, 2026.

It’s typically best to fly out from London Heathrow Airport to Belgrade in the morning. Doing so could potentially save you 57% on the flight price compared to flying in the evening, which is usually more expensive.

How much does it cost to fly round-trip from London Heathrow Airport to Belgrade?

Reviews of airlines servicing Belgrade

Get insights into the airlines that provide service to Belgrade. 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 Belgrade. Reviews last updated April 22, 2026.
See what other customers who have flown with Air Serbia from London Heathrow Airport to Belgrade 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
6.2
Okay
219 reviews

Entertainment

5.5

Overall

6.2

Comfort

6.4

Crew

7.2

Boarding

6.2

Food

5.7

Reviews

1 / 15
2.0
Mediocre

Anonymous,Dec 2025

SOF - BEG

Air serba has to clean their toilets ! The dirtiest toilets ever !!!!
Air Serbia
6.2
Okay
219 reviews
Air Serbia
6.2
Okay
219 reviews

Entertainment

5.5

Overall

6.2

Comfort

6.4

Crew

7.2

Boarding

6.2

Food

5.7

Reviews

1 / 15
2.0
Mediocre

Anonymous,Dec 2025

SOF - BEG

Air serba has to clean their toilets ! The dirtiest toilets ever !!!!

Related info for your journey

Find useful and relevant information for your journey from Heathrow to Belgrade. 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 into for flights to Belgrade from London Heathrow?

    Belgrade Nikola Tesla (BEG) is the airport you will fly into if you book a flight from London Heathrow to Belgrade. You should not have trouble finding flights to Nikola Tesla from London Heathrow; the airport handles an average of 0 inbound flights from London Heathrow per day. You should also have plenty of airline options to choose from since 1 airline has flights to the Belgrade airport from London Heathrow. It is only a 7.1 mi journey from Nikola Tesla (BEG) to Belgrade’s city center.

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

    For as low as $313, KLM can have you in Belgrade from London Heathrow Airport in 2h 45m. Airlines will cover a distance of 1056 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    According to our current data, Air Serbia ($80), offers the cheapest pricing from London Heathrow Airport to Belgrade. You may be able to fly from London Heathrow Airport to Belgrade for 69% less than the average price by searching for this airline.

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

    Looking at all options, your cheapest flight can be booked for $134. While the most popular route (London Heathrow - Belgrade Nikola Tesla) can be booked for $304 on average, our data indicates $398 when flying from London Heathrow Airport to Belgrade.

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

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

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

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

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

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

    Currently, July is the cheapest month in which you can book a flight from London Heathrow Airport to Belgrade (average of $124). Flying from London Heathrow Airport to Belgrade in December is currently the most expensive (average of $392). 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

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Top airline flying from Heathrow to Belgrade

Discover the top airline that operate flights from Heathrow to Belgrade. 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 2,558,603 searches. Data last updated April 22, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air SerbiaCheapest$80Average$296FlexibilityNo cancel feeOn-timeN/A

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