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Cheap flights from London Heathrow Airport to Serbia from £66

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 11/12. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — BEG
21 Dec — 28 Dec1
1 adult
1 adult, Economy, 0 bags

Find flight deals from Heathrow to Serbia

Enter your travel dates to find the best prices.

Cheapest flights from Heathrow to Serbia
Explore the most affordable flight options available from Heathrow to Serbia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 November 2025.

Thu 11/1209:55LHR - BEG
1 stop13h 55mMultiple Airlines
Mon 15/1218:25BEG - LHR
1 stop15h 45mMultiple Airlines
Deal found 20/11£128
Thu 11/1209:55LHR - BEG
1 stop13h 55mMultiple Airlines
Wed 17/1218:25BEG - LHR
1 stop15h 45mMultiple Airlines
Deal found 20/11£134
Thu 11/1213:20LHR - BEG
Nonstop2h 45mAir Serbia
Mon 15/1210:15BEG - LHR
Nonstop3h 05mAir Serbia
Deal found 20/11£166
Thu 11/1209:55LHR - BEG
1 stop13h 55mMultiple Airlines
Tue 16/1210:15BEG - LHR
Nonstop3h 05mMultiple Airlines
Deal found 20/11£169
Thu 11/1213:20LHR - BEG
Nonstop2h 45mAir Serbia
Tue 16/1210:15BEG - LHR
Nonstop3h 05mAir Serbia
Deal found 20/11£171
Thu 11/1209:55LHR - BEG
1 stop13h 55mMultiple Airlines
Sat 13/1210:15BEG - LHR
Nonstop3h 05mMultiple Airlines
Deal found 19/11£182
Tue 16/1206:30LHR - BEG
1 stop9h 05mLOT
Wed 31/1213:55BEG - LHR
1 stop20h 40mLOT
Deal found 20/11£183
Fri 12/1206:00LHR - BEG
1 stop6h 45mMultiple Airlines
Sat 13/1217:35BEG - LHR
1 stop4h 25mMultiple Airlines
Deal found 19/11£184
Mon 8/1213:20LHR - BEG
Nonstop2h 45mAir Serbia
Wed 10/1210:15BEG - LHR
Nonstop3h 05mAir Serbia
Deal found 21/11£184
Thu 4/1207:40LHR - BEG
1 stop4h 05mLufthansa
Mon 8/1213:30BEG - LHR
1 stop6h 05mLufthansa
Deal found 20/11£185
Fri 12/1206:00LHR - BEG
1 stop6h 45mMultiple Airlines
Wed 17/1213:30BEG - LHR
1 stop7h 05mMultiple Airlines
Deal found 20/11£187
Thu 4/1220:30LHR - INI
1 stop15h 05mMultiple Airlines
Fri 12/1213:00INI - LHR
1 stop7h 25mMultiple Airlines
Deal found 20/11£272

Cheap flight deals from Heathrow to Serbia

Keep the following information in mind while searching for Heathrow to Serbia flight deals. Data was last updated 21 November 2025.

Round-trip from

£122

One-way from

£66

Popular in

December

Cheapest in

October

Average price

£132

Good round-trip deal

£160 or less

Good one-way deal

£91 or less
Air Serbia
  • Air Serbia
  • 2/2-12/2
  • Nonstop
  • 5h 50m total
  • London to Serbia
Search Deals
11/12
  • 11/12
  • 1 total stop
  • 13h 55m total
  • London to Serbia
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (£15 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£5 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
Search Deals
Price to beat on a round-trip flight from London Heathrow to Serbia.
Search Deals
Price to beat on a one-way flight from London Heathrow to Serbia.
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Heathrow to Serbia 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 21 November 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Serbia that are best for you.

Fly from

Heathrow

Fly to

Serbia

Route

Depart

Return

Price

LondonBelgrade

LHR - BEG

LHRBEG

London Heathrow

Mon 2/2

13:20-17:05

Nonstop2h 45m

Belgrade Nikola Tesla

Tue 10/2

10:15-12:20

Nonstop3h 05m

£141

LondonBelgrade

LHR - BEG

LHRBEG

London Heathrow

Wed 4/2

13:20-17:05

Nonstop2h 45m

Belgrade Nikola Tesla

Tue 10/2

10:15-12:20

Nonstop3h 05m

£141

LondonBelgrade

LHR - BEG

LHRBEG

London Heathrow

Fri 6/2

13:20-17:05

Nonstop2h 45m

Belgrade Nikola Tesla

Tue 10/2

10:15-12:20

Nonstop3h 05m

£141

LondonBelgrade

LHR - BEG

LHRBEG

London Heathrow

Thu 29/1

13:20-17:05

Nonstop2h 45m

Belgrade Nikola Tesla

Fri 30/1

10:15-12:20

Nonstop3h 05m

£148

LondonBelgrade

LHR - BEG

LHRBEG

London Heathrow

Sun 1/3

13:20-17:05

Nonstop2h 45m

Belgrade Nikola Tesla

Thu 5/3

10:15-12:20

Nonstop3h 05m

£148

LondonBelgrade

LHR - BEG

LHRBEG

London Heathrow

Thu 15/1

13:20-17:05

Nonstop2h 45m

Belgrade Nikola Tesla

Sun 18/1

10:15-12:20

Nonstop3h 05m

£148

LondonBelgrade

LHR - BEG

LHRBEG

London Heathrow

Tue 17/3

13:20-17:05

Nonstop2h 45m

Belgrade Nikola Tesla

Thu 19/3

10:15-12:20

Nonstop3h 05m

£152

LondonBelgrade

LHR - BEG

LHRBEG

London Heathrow

Fri 6/2

13:20-17:05

Nonstop2h 45m

Belgrade Nikola Tesla

Fri 13/2

10:15-12:20

Nonstop3h 05m

£154

LondonBelgrade

LHR - BEG

LHRBEG

London Heathrow

Fri 6/2

13:20-17:05

Nonstop2h 45m

Belgrade Nikola Tesla

Sat 14/2

10:15-12:20

Nonstop3h 05m

£158

LondonNiš

LHR - INI

LHRINI

London Heathrow

Thu 4/12

20:30-12:35

1 stop15h 05m

Nis

Fri 12/12

13:00-19:25

1 stop7h 25m

£272

Flights are sorted by cheapest return flights first.

Deals found on 20/11

Showing 1-10 of 31 results
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Best time to book a flight from Heathrow to Serbia

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

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

Currently, August is the cheapest month in which you can book a flight from London Heathrow Airport to Serbia (average of £73). Flying from London Heathrow Airport to Serbia in December is currently the most expensive (average of £181). 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 RS?

Find hourly flight availability from Heathrow to Serbia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 21 November 2025.

It’s optimal to fly from London Heathrow Airport to Serbia in the morning. By choosing this option you can save up to 31% on the cost of your flight, compared to a flight in the evening.

What is the cheapest day to fly from London Heathrow Airport to Serbia?

Use this chart to determine the cheapest time to fly return from Heathrow to Serbia. Price data was last updated on 18 May 2025.

Travellers seeking maximum savings on their London Heathrow Airport to Serbia flight should consider departing on Thursday afternoons when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

How often are flights $[0, preposition:'from ']$[0, article:'from ']$[0, place:'from'] $[1, preposition:'to ']$[1, article:'to ']$[1, place:'to'] delayed?

About 34% of weekly flights between $[0, place:'genitive'] and $[1, place:'genitive'] have experienced delays in the past year, with the average delay time being 122 minutes.

What is the most punctual flight time for $[0,article:'genitive ']$[0,place:'genitive'] $[1, preposition:'to ']$[1, article:'to ']$[1, place:'to'] flights?

Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.

Which airline has the best punctuality record on $[0,article:'genitive ']$[0,place:'genitive'] $[1, preposition:'to ']$[1, article:'to ']$[1, place:'to'] flights?

Over the past year, Air Serbia have had the lowest number of delays on this route, with just 33% of flights being delayed.

Reviews of airlines servicing Serbia

Get insights into the airlines that provide service to Serbia. 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 Serbia. Reviews last updated 21 November 2025.
Get a feel of what it's like to fly with LOT, Lufthansa, andWizz Air from London Heathrow Airport to Serbia by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
LOT
7.5
Good
1,137 reviews
Check prices

Food

7.1

Boarding

7.6

Overall

7.5

Comfort

7.5

Crew

8.2

Entertainment

6.9

Reviews

1 / 20
2.0
Mediocre

Hinesh,May 2025

LHR - WAW

Would not recommend this airline flight was delayed baggage was lost bad communication, our bag landed at the destination airport at 12 midday but did not arrive at the hotel till midnight no urgency at all this totally ruined the first 2 days of our trip worst airline I have used.
LOT
7.5
Good
1,137 reviews
LOT
7.5
Good
1,137 reviews
Check prices

Food

7.1

Boarding

7.6

Overall

7.5

Comfort

7.5

Crew

8.2

Entertainment

6.9

Reviews

1 / 20
2.0
Mediocre

Hinesh,May 2025

LHR - WAW

Would not recommend this airline flight was delayed baggage was lost bad communication, our bag landed at the destination airport at 12 midday but did not arrive at the hotel till midnight no urgency at all this totally ruined the first 2 days of our trip worst airline I have used.
Lufthansa
6.8
Okay
7,579 reviews
LOT
7.5
Good
1,137 reviews
Check prices

Food

7.1

Boarding

7.6

Overall

7.5

Comfort

7.5

Crew

8.2

Entertainment

6.9

Reviews

1 / 20
2.0
Mediocre

Hinesh,May 2025

LHR - WAW

Would not recommend this airline flight was delayed baggage was lost bad communication, our bag landed at the destination airport at 12 midday but did not arrive at the hotel till midnight no urgency at all this totally ruined the first 2 days of our trip worst airline I have used.
Wizz Air
6.2
Okay
158 reviews
LOT
7.5
Good
1,137 reviews
Check prices

Food

7.1

Boarding

7.6

Overall

7.5

Comfort

7.5

Crew

8.2

Entertainment

6.9

Reviews

1 / 20
2.0
Mediocre

Hinesh,May 2025

LHR - WAW

Would not recommend this airline flight was delayed baggage was lost bad communication, our bag landed at the destination airport at 12 midday but did not arrive at the hotel till midnight no urgency at all this totally ruined the first 2 days of our trip worst airline I have used.
Air Serbia
6.2
Okay
207 reviews
LOT
7.5
Good
1,137 reviews
Check prices

Food

7.1

Boarding

7.6

Overall

7.5

Comfort

7.5

Crew

8.2

Entertainment

6.9

Reviews

1 / 20
2.0
Mediocre

Hinesh,May 2025

LHR - WAW

Would not recommend this airline flight was delayed baggage was lost bad communication, our bag landed at the destination airport at 12 midday but did not arrive at the hotel till midnight no urgency at all this totally ruined the first 2 days of our trip worst airline I have used.

Related info for your journey

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

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

    Airlines like Air Serbia fly from London Heathrow Airport to Serbia in about 2h 45m. The time it takes to get you to your destination is usually consistent. London Heathrow Airport and Serbia are separated by a distance of 1056 mi. Most flights are nonstop.

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

    On average you can expect to pay £165 for a flight from London Heathrow Airport to Serbia. The cheapest flight overall is £82 while the most popular route, (London Heathrow - Belgrade Nikola Tesla) is currently priced at £146.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Heathrow to Serbia 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 Serbia?

    Currently, August is the cheapest month in which you can book a flight from London Heathrow Airport to Serbia (average of £73). Flying from London Heathrow Airport to Serbia in December is currently the most expensive (average of £181). 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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Alternative routes for Heathrow to Serbia

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Heathrow to Serbia

Discover the top 4 airlines that operate flights from Heathrow to Serbia. 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 21 November 2025.
AirlineCheapestAverageFlexibilityOn-time
Wizz AirCheapest£46Average£118FlexibilityNo cancel feeOn-timeN/A
Search Wizz Air flights
Air SerbiaCheapest£89Average£144FlexibilityNo cancel feeOn-timeN/A
Search Air Serbia flights
LOTCheapest£133Average£200FlexibilityNo cancel feeOn-time81%
Search LOT flights
LufthansaCheapest£159Average£234FlexibilityNo cancel feeOn-time76%
Search Lufthansa 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 Heathrow to Serbia?

Cheapflights helps you search for flights from Heathrow to Serbia via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

Cheapflights simply makes it quick and affordable to book flights from Heathrow to Serbia by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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

Certainly. Search results for flights to Serbia from Heathrow shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Of course! You can now track prices for flights from Heathrow to Serbia and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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