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Cheap flights from London Heathrow Airport to Belgrade from C$ 150

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 9/2. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — BEG
26 Nov — 3 Dec1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from London Heathrow to Belgrade Nikola Tesla are usually found in August or July, booked 75 days in advance, depart on a Tuesday or Monday and return on a Monday

Cheap 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 27 October 2025.

Round-trip from

C$ 276

One-way from

C$ 150

Popular in

December

Cheapest in

August

Average price

C$ 410

Good round-trip deal

C$ 278 or less
Air Serbia
  • Air Serbia
  • 23/3-27/3
  • Nonstop
  • 5h 40m total
  • London to Belgrade
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Air Serbia
  • Air Serbia
  • 9/2
  • Nonstop
  • 2h 40m total
  • London to Belgrade
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Highest demand for flights based on searches. 14% potential increase in price (C$ 68 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease (C$ 19 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Price to beat on a round-trip flight from London Heathrow to Belgrade Nikola Tesla.
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Find flight deals from Heathrow to Belgrade

Enter your travel dates to find the best prices.

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 27 October 2025.

Thu 4/121:20 p.m.LHR - BEG
Nonstop2h 40mAir Serbia
Sat 6/1210:20 a.m.BEG - LHR
Nonstop3h 00mAir Serbia
Deal found 27/10C$ 283
Mon 1/121:20 p.m.LHR - BEG
Nonstop2h 40mAir Serbia
Wed 3/1210:20 a.m.BEG - LHR
Nonstop3h 00mAir Serbia
Deal found 27/10C$ 306
Mon 8/121:20 p.m.LHR - BEG
Nonstop2h 40mAir Serbia
Mon 15/1210:20 a.m.BEG - LHR
Nonstop3h 00mAir Serbia
Deal found 25/10C$ 309
Fri 5/123:45 p.m.LHR - BEG
1 stop6h 40mKLM
Mon 8/126:05 a.m.BEG - LHR
1 stop8h 45mKLM
Deal found 25/10C$ 311
Mon 10/113:45 p.m.LHR - BEG
1 stop6h 40mKLM
Fri 14/116:05 a.m.BEG - LHR
1 stop5h 40mKLM
Deal found 26/10C$ 316
Tue 2/121:20 p.m.LHR - BEG
Nonstop2h 40mAir Serbia
Sat 6/1210:20 a.m.BEG - LHR
Nonstop3h 00mAir Serbia
Deal found 27/10C$ 323
Wed 3/121:20 p.m.LHR - BEG
Nonstop2h 40mAir Serbia
Fri 5/1210:20 a.m.BEG - LHR
Nonstop3h 00mAir Serbia
Deal found 27/10C$ 339
Mon 1/121:20 p.m.LHR - BEG
Nonstop2h 40mAir Serbia
Thu 4/1210:20 a.m.BEG - LHR
Nonstop3h 00mAir Serbia
Deal found 27/10C$ 340
Sun 23/116:00 a.m.LHR - BEG
1 stop16h 30mAustrian Airlines
Sun 30/116:10 p.m.BEG - LHR
1 stop15h 10mAustrian Airlines
Deal found 25/10C$ 344
Tue 2/121:20 p.m.LHR - BEG
Nonstop2h 40mAir Serbia
Thu 4/1210:20 a.m.BEG - LHR
Nonstop3h 00mAir Serbia
Deal found 27/10C$ 348
Wed 5/1111:45 a.m.LHR - BEG
1 stop10h 40mKLM
Mon 10/116:05 a.m.BEG - LHR
1 stop5h 40mKLM
Deal found 26/10C$ 358
Sat 8/114:25 p.m.LHR - BEG
1 stop6h 00mKLM
Mon 10/116:05 a.m.BEG - LHR
1 stop5h 40mKLM
Deal found 25/10C$ 361

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 629,999 searches. Data last updated 27 October 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Belgrade that are best for you.

Fly from

Heathrow

Fly to

Belgrade

Route

Depart

Return

Price

LondonBelgrade

LHR - BEG

LHRBEG

London Heathrow

Wed 21/1

1:20 p.m.-5:00 p.m.

Nonstop2h 40m

Belgrade Nikola Tesla

Sun 25/1

10:20 a.m.-12:20 p.m.

Nonstop3h 00m

C$ 276

LondonBelgrade

LHR - BEG

LHRBEG

London Heathrow

Mon 23/3

1:20 p.m.-5:00 p.m.

Nonstop2h 40m

Belgrade Nikola Tesla

Fri 27/3

10:20 a.m.-12:20 p.m.

Nonstop3h 00m

C$ 276

LondonBelgrade

LHR - BEG

LHRBEG

London Heathrow

Mon 16/3

1:20 p.m.-5:00 p.m.

Nonstop2h 40m

Belgrade Nikola Tesla

Wed 25/3

10:20 a.m.-12:20 p.m.

Nonstop3h 00m

C$ 276

LondonBelgrade

LHR - BEG

LHRBEG

London Heathrow

Sun 22/3

1:20 p.m.-5:00 p.m.

Nonstop2h 40m

Belgrade Nikola Tesla

Fri 27/3

10:20 a.m.-12:20 p.m.

Nonstop3h 00m

C$ 276

LondonBelgrade

LHR - BEG

LHRBEG

London Heathrow

Mon 23/3

1:20 p.m.-5:00 p.m.

Nonstop2h 40m

Belgrade Nikola Tesla

Sun 29/3

10:30 a.m.-12:35 p.m.

Nonstop3h 05m

C$ 276

LondonBelgrade

LHR - BEG

LHRBEG

London Heathrow

Mon 2/3

1:20 p.m.-5:00 p.m.

Nonstop2h 40m

Belgrade Nikola Tesla

Sun 8/3

10:20 a.m.-12:20 p.m.

Nonstop3h 00m

C$ 276

LondonBelgrade

LHR - BEG

LHRBEG

London Heathrow

Mon 23/3

1:20 p.m.-5:00 p.m.

Nonstop2h 40m

Belgrade Nikola Tesla

Thu 26/3

10:20 a.m.-12:20 p.m.

Nonstop3h 00m

C$ 276

LondonBelgrade

LHR - BEG

LHRBEG

London Heathrow

Sun 22/3

1:20 p.m.-5:00 p.m.

Nonstop2h 40m

Belgrade Nikola Tesla

Tue 24/3

10:20 a.m.-12:20 p.m.

Nonstop3h 00m

C$ 283

LondonBelgrade

LHR - BEG

LHRBEG

London Heathrow

Tue 24/3

1:20 p.m.-5:00 p.m.

Nonstop2h 40m

Belgrade Nikola Tesla

Thu 26/3

10:20 a.m.-12:20 p.m.

Nonstop3h 00m

C$ 283

LondonBelgrade

LHR - BEG

LHRBEG

London Heathrow

Mon 23/3

1:20 p.m.-5:00 p.m.

Nonstop2h 40m

Belgrade Nikola Tesla

Sat 28/3

10:20 a.m.-12:20 p.m.

Nonstop3h 00m

C$ 283

Flights are sorted by cheapest round-trip flights first.

Deals found on 25/10

Showing 1-10 of 22 results
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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 24 October 2025.

Booking 75 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, August is the cheapest month in which you can book a flight from London Heathrow Airport to Belgrade (average of C$ 133). Flying from London Heathrow Airport to Belgrade in December is currently the most expensive (average of C$ 313). 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 27 October 2025.

One of the essential ways to save on airfare from London Heathrow Airport to Belgrade is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the morning could potentially save you up to 69% on airfare.

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

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?

    Most people fly into Belgrade Nikola Tesla (BEG) if they book a flight to Belgrade from London Heathrow. On average, Nikola Tesla has 0 inbound flights from London Heathrow per day from 0 airlines. Belgrade Nikola Tesla is conveniently located just 11.4 km from Belgrade’s city centre.

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

    Departing from London Heathrow Airport to Belgrade will take you 2h 40m. London Heathrow Airport and Belgrade are separated by a distance of 1699 km. Generally, flights for this route are direct.

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

    No one likes to see their flight delayed. When booking a flight from London Heathrow Airport to Belgrade consider choosing Bulgaria Air (67%), Air Serbia (42%) or GetJet Airlines (0%) as they are the most reliable in getting you off to your destination on time.

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

    Looking for the cheapest flight from London Heathrow Airport to Belgrade? While on average our users pay C$ 278, our data indicates the cheapest price to be C$ 277. The most popular route (London Heathrow - Belgrade Nikola Tesla), is priced around C$ 834.

  • 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, August is the cheapest month in which you can book a flight from London Heathrow Airport to Belgrade (average of C$ 133). Flying from London Heathrow Airport to Belgrade in December is currently the most expensive (average of C$ 313). 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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