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Cheap flights from London Heathrow Airport to Belgrade from C$ 175

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 11/3. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — BEG
25 Feb — 4 Mar1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from London Heathrow to Belgrade Nikola Tesla are usually found in July or August, booked 25 days in advance, depart on a Tuesday or Monday and return on a Monday

Cheap 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 26 January 2026.

Mon 16/35:05 p.m.
LHR
-
BEG
1 stop5h 20m
KLM
Fri 20/36:05 a.m.
BEG
-
LHR
1 stop8h 45m
KLM
Deal found 25/1C$ 296
Fri 8/54:25 p.m.
LHR
-
BEG
1 stop6h 00m
Lufthansa
Mon 18/51:05 p.m.
BEG
-
LHR
1 stop5h 00m
Lufthansa
Deal found 26/1C$ 311
Wed 18/31:20 p.m.
LHR
-
BEG
Nonstop2h 45m
Air Serbia
Sun 22/310:15 a.m.
BEG
-
LHR
Nonstop3h 05m
Air Serbia
Deal found 24/1C$ 325
Wed 11/31:20 p.m.
LHR
-
BEG
Nonstop2h 45m
Air Serbia
Wed 18/310:15 a.m.
BEG
-
LHR
Nonstop3h 05m
Air Serbia
Deal found 25/1C$ 326
Wed 17/64:25 p.m.
LHR
-
BEG
1 stop6h 00m
Lufthansa
Sun 21/66:15 a.m.
BEG
-
LHR
1 stop4h 40m
Lufthansa
Deal found 26/1C$ 330
Thu 26/23:45 p.m.
LHR
-
BEG
1 stop6h 40m
KLM
Mon 9/312:35 p.m.
BEG
-
LHR
1 stop5h 25m
KLM
Deal found 26/1C$ 336
Fri 13/36:00 a.m.
LHR
-
BEG
1 stop10h 45m
Austrian Airlines
Mon 16/36:50 a.m.
BEG
-
LHR
1 stop8h 15m
Austrian Airlines
Deal found 26/1C$ 338
Mon 8/64:25 p.m.
LHR
-
BEG
1 stop6h 00m
Lufthansa
Tue 23/61:10 p.m.
BEG
-
LHR
1 stop4h 55m
Lufthansa
Deal found 26/1C$ 340
Sun 7/66:30 a.m.
LHR
-
BEG
1 stop5h 15m
Lufthansa
Tue 23/61:10 p.m.
BEG
-
LHR
1 stop4h 55m
Lufthansa
Deal found 26/1C$ 341
Mon 2/31:20 p.m.
LHR
-
BEG
Nonstop2h 45m
Air Serbia
Wed 4/310:15 a.m.
BEG
-
LHR
Nonstop3h 05m
Air Serbia
Deal found 25/1C$ 349
Sun 19/48:40 a.m.
LHR
-
BEG
1 stop13h 15m
KLM
Sat 25/412:35 p.m.
BEG
-
LHR
1 stop9h 20m
KLM
Deal found 26/1C$ 351
Wed 18/38:25 p.m.
LHR
-
BEG
1 stop14h 30m
KLM
Sun 22/36:05 a.m.
BEG
-
LHR
1 stop5h 40m
KLM
Deal found 25/1C$ 353

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 26 January 2026.

Round-trip from

C$ 296

One-way from

C$ 167

Popular in

December

Cheapest in

July

Average price

C$ 357

Good round-trip deal

C$ 272 or less

Good one-way deal

C$ 170 or less
KLM
  • KLM
  • 10/3-17/3
  • 2 total stops
  • 19h 55m total
  • London to Belgrade
Search Deals
KLM
  • KLM
  • 28/2
  • 1 total stop
  • 8h 20m total
  • London to Belgrade
Search Deals
Highest demand for flights based on searches. 24% potential increase in price (C$ 141 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (C$ 27 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 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 629,999 searches. Data last updated 26 January 2026.
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

Sun 10/5

9:00 a.m.-4:25 p.m.

1 stop6h 25m

Belgrade Nikola Tesla

Fri 15/5

5:10 p.m.-8:45 p.m.

1 stop4h 35m

C$ 311

LondonBelgrade

LHR - BEG

LHRBEG

London Heathrow

Wed 18/3

1:20 p.m.-5:05 p.m.

Nonstop2h 45m

Belgrade Nikola Tesla

Sun 22/3

10:15 a.m.-12:20 p.m.

Nonstop3h 05m

C$ 325

LondonBelgrade

LHR - BEG

LHRBEG

London Heathrow

Wed 11/3

1:20 p.m.-5:05 p.m.

Nonstop2h 45m

Belgrade Nikola Tesla

Wed 18/3

10:15 a.m.-12:20 p.m.

Nonstop3h 05m

C$ 326

LondonBelgrade

LHR - BEG

LHRBEG

London Heathrow

Wed 25/3

1:20 p.m.-5:05 p.m.

Nonstop2h 45m

Belgrade Nikola Tesla

Fri 27/3

10:15 a.m.-12:20 p.m.

Nonstop3h 05m

C$ 326

LondonBelgrade

LHR - BEG

LHRBEG

London Heathrow

Wed 17/6

4:25 p.m.-11:25 p.m.

1 stop6h 00m

Belgrade Nikola Tesla

Sun 21/6

6:15 a.m.-9:55 a.m.

1 stop4h 40m

C$ 330

LondonBelgrade

LHR - BEG

LHRBEG

London Heathrow

Thu 26/2

3:45 p.m.-11:25 p.m.

1 stop6h 40m

Belgrade Nikola Tesla

Mon 9/3

12:35 p.m.-5:00 p.m.

1 stop5h 25m

C$ 336

LondonBelgrade

LHR - BEG

LHRBEG

London Heathrow

Fri 13/3

6:00 a.m.-5:45 p.m.

1 stop10h 45m

Belgrade Nikola Tesla

Mon 16/3

6:50 a.m.-2:05 p.m.

1 stop8h 15m

C$ 338

LondonBelgrade

LHR - BEG

LHRBEG

London Heathrow

Fri 8/5

5:50 p.m.-11:25 p.m.

1 stop4h 35m

Belgrade Nikola Tesla

Sun 17/5

5:50 a.m.-10:40 a.m.

1 stop5h 50m

C$ 341

LondonBelgrade

LHR - BEG

LHRBEG

London Heathrow

Sun 7/6

6:30 a.m.-12:45 p.m.

1 stop5h 15m

Belgrade Nikola Tesla

Tue 23/6

1:10 p.m.-5:05 p.m.

1 stop4h 55m

C$ 341

LondonBelgrade

LHR - BEG

LHRBEG

London Heathrow

Sat 9/5

4:25 p.m.-11:25 p.m.

1 stop6h 00m

Belgrade Nikola Tesla

Sun 17/5

5:50 a.m.-10:40 a.m.

1 stop5h 50m

C$ 341

Flights are sorted by cheapest round-trip flights first.

Deals found on 25/1

Showing 1-10 of 23 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 23 January 2026.

Booking 25 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$ 130). Flying from London Heathrow Airport to Belgrade in December is currently the most expensive (average of C$ 314). 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 26 January 2026.

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 1 inbound flight 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 45m. London Heathrow Airport and Belgrade are separated by a distance of 1699 km. Both multi-stop and direct flights can be found to your destination and back.

  • 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$ 253, our data indicates the cheapest price to be C$ 170. The most popular route (London Heathrow - Belgrade Nikola Tesla), is priced around C$ 316.

  • 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$ 130). Flying from London Heathrow Airport to Belgrade in December is currently the most expensive (average of C$ 314). 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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Can Cheapflights find flights from Heathrow to Belgrade with no change fees?

Need flexible booking options for your flight to Belgrade from Heathrow? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Yes! Start tracking prices for Heathrow to Belgrade flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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