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Cheap flights from London Heathrow Airport to Serbia from £84

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 23/9. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — BEG
23 Aug — 30 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap 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 24 July 2026.

Thu 20/812:10
LHR
-
INI
1 stop24h 30m
SWISS
Sun 23/809:45
INI
-
LHR
1 stop23h 10m
SWISS
Deal found 19/7£134
Mon 2/1106:30
LHR
-
BEG
1 stop9h 05m
LOT
Fri 6/1117:15
BEG
-
LHR
1 stop5h 45m
LOT
Deal found 22/7£148
Thu 13/816:25
LHR
-
BEG
1 stop4h 40m
Lufthansa
Thu 20/817:15
BEG
-
LHR
1 stop6h 25m
Lufthansa
Deal found 23/7£159
Mon 5/1021:05
LHR
-
BEG
1 stop13h 25m
Multiple Airlines
Tue 20/1005:45
BEG
-
LHR
1 stop12h 15m
Multiple Airlines
Deal found 20/7£163
Sat 5/908:40
LHR
-
BEG
1 stop13h 15m
KLM
Tue 8/912:35
BEG
-
LHR
1 stop4h 40m
KLM
Deal found 22/7£167
Mon 17/806:55
LHR
-
BEG
1 stop4h 25m
Lufthansa
Thu 20/817:15
BEG
-
LHR
1 stop6h 25m
Lufthansa
Deal found 21/7£168
Tue 8/1211:45
LHR
-
BEG
1 stop10h 40m
KLM
Mon 14/1206:05
BEG
-
LHR
1 stop5h 40m
KLM
Deal found 19/7£169
Sun 1/1106:30
LHR
-
BEG
1 stop4h 25m
KLM
Thu 5/1106:05
BEG
-
LHR
1 stop5h 40m
KLM
Deal found 21/7£170
Mon 17/807:25
LHR
-
BEG
1 stop8h 05m
Lufthansa
Fri 21/817:10
BEG
-
LHR
1 stop4h 35m
Lufthansa
Deal found 22/7£172
Mon 7/907:25
LHR
-
BEG
1 stop8h 05m
Lufthansa
Tue 15/914:00
BEG
-
LHR
1 stop4h 40m
Lufthansa
Deal found 24/7£173
Thu 20/807:25
LHR
-
BEG
1 stop8h 05m
Lufthansa
Mon 24/817:15
BEG
-
LHR
1 stop6h 25m
Lufthansa
Deal found 22/7£174
Thu 3/910:50
LHR
-
BEG
1 stop10h 15m
Lufthansa
Thu 10/917:15
BEG
-
LHR
1 stop6h 25m
Lufthansa
Deal found 20/7£175

Find flight deals from Heathrow to Serbia

Keep the following information in mind while searching for Heathrow to Serbia flight deals. Data was last updated 24 July 2026.

Round-trip from

£134

One-way from

£84

Popular in

December

Cheapest in

August

Average price

£93

Good round-trip deal

£213 or less

Good one-way deal

£128 or less
SWISS
  • SWISS
  • 20/8-23/8
  • 2 total stops
  • 47h 40m total
  • London to Serbia
Search Deals
23/9
  • 23/9
  • 2 total stops
  • 14h 15m total
  • London to Serbia
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (£12 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£6 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2026
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 24 July 2026.
Use the filters below to find and compare flights from London Heathrow Airport to Serbia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonNiš

LHR - INI

LHRINI

London Heathrow

Thu 20/8

12:10-13:40

1 stop24h 30m

Nis

Sun 23/8

09:45-07:55

1 stop23h 10m

£134

LondonBelgrade

LHR - BEG

LHRBEG

London Heathrow

Fri 21/8

06:55-12:20

1 stop4h 25m

Belgrade Nikola Tesla

Mon 24/8

20:00-07:55

1 stop12h 55m

£182

LondonBelgrade

LHR - BEG

LHRBEG

London Heathrow

Sun 1/11

11:45-23:10

1 stop10h 25m

Belgrade Nikola Tesla

Fri 6/11

12:35-19:15

1 stop7h 40m

£185

LondonBelgrade

LHR - BEG

LHRBEG

London Heathrow

Fri 25/9

11:45-22:55

1 stop10h 10m

Belgrade Nikola Tesla

Thu 1/10

06:15-10:45

1 stop5h 30m

£204

LondonBelgrade

LHR - BEG

LHRBEG

London Heathrow

Thu 24/9

09:30-16:05

1 stop5h 35m

Belgrade Nikola Tesla

Thu 1/10

13:10-17:05

1 stop4h 55m

£207
Fastest return journey

LondonBelgrade

LHR - BEG

LHRBEG

London Heathrow

Wed 14/10

13:30-17:15

Nonstop2h 45m

Belgrade Nikola Tesla

Thu 15/10

10:25-12:30

Nonstop3h 05m

£208

LondonBelgrade

LHR - BEG

LHRBEG

London Heathrow

Fri 28/8

20:05-08:30

1 stop11h 25m

Belgrade Nikola Tesla

Mon 21/9

20:00-07:55

1 stop12h 55m

£224

LondonBelgrade

LHR - BEG

LHRBEG

London Heathrow

Mon 7/9

20:05-08:30

1 stop11h 25m

Belgrade Nikola Tesla

Wed 16/9

14:40-21:30

2 stops7h 50m

£224

LondonBelgrade

LHR - BEG

LHRBEG

London Heathrow

Mon 31/8

08:55-19:15

2 stops9h 20m

Belgrade Nikola Tesla

Tue 8/9

20:00-07:55

1 stop12h 55m

£237

LondonBelgrade

LHR - BEG

LHRBEG

London Heathrow

Mon 3/8

10:50-16:30

1 stop4h 40m

Belgrade Nikola Tesla

Fri 7/8

13:05-18:25

1 stop6h 20m

£243

Flights are sorted by cheapest return flights first.

Deals found on 19/7

Showing 1-10 of 34 resultsSorted by cheapest first
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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, July is the cheapest month in which you can book a flight from London Heathrow Airport to Serbia (average of £93). Flying from London Heathrow Airport to Serbia in December is currently the most expensive (average of £294). 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 24 July 2026.

It’s optimal to fly from London Heathrow Airport to Serbia in the morning. By choosing this option you can save up to 46% on the cost of your flight, compared to a flight in the afternoon.

How often are flights from London to Serbia delayed?

About 24% of weekly flights between London and Serbia have experienced delays in the past year, with the average delay time being 119 minutes.

What is the most punctual flight time for London to Serbia 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.

What day of the week experiences the fewest flight delays on this route?

Tuesday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on London to Serbia flights?

Over the past year, airBaltic have had the lowest number of delays on this route, with just 15% of flights being delayed.

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

The best time to book flights from London Heathrow Airport to Serbia is 2 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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 24 July 2026.
Get a feel of what it's like to fly with Lufthansa,Wizz Air, andAir Serbia 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.
Lufthansa
6.8
Okay
8,156 reviews
Check prices

Comfort

6.8

Crew

7.6

Overall

6.8

Food

6.3

Entertainment

6.4

Boarding

7.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Oct 2025

LHR - FRA

Cut open our bags and stole out items. Broke the locks
Lufthansa
6.8
Okay
8,156 reviews
Lufthansa
6.8
Okay
8,156 reviews
Check prices

Comfort

6.8

Crew

7.6

Overall

6.8

Food

6.3

Entertainment

6.4

Boarding

7.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Oct 2025

LHR - FRA

Cut open our bags and stole out items. Broke the locks
Wizz Air
6.3
Okay
171 reviews
Lufthansa
6.8
Okay
8,156 reviews
Check prices

Comfort

6.8

Crew

7.6

Overall

6.8

Food

6.3

Entertainment

6.4

Boarding

7.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Oct 2025

LHR - FRA

Cut open our bags and stole out items. Broke the locks
Air Serbia
6.1
Okay
232 reviews
Lufthansa
6.8
Okay
8,156 reviews
Check prices

Comfort

6.8

Crew

7.6

Overall

6.8

Food

6.3

Entertainment

6.4

Boarding

7.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Oct 2025

LHR - FRA

Cut open our bags and stole out items. Broke the locks

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 SWISS, LOT, and Lufthansa fly from London Heathrow Airport to Serbia in about 4h 40m. The time it takes to get you to your destination can typically vary by up to 19h 50m. London Heathrow Airport and Serbia are separated by a distance of 1056 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

    On average you can expect to pay £247 for a flight from London Heathrow Airport to Serbia. The cheapest flight overall is £114 while the most popular route, (London Heathrow - Belgrade Nikola Tesla) is currently priced at £148.

  • 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, July is the cheapest month in which you can book a flight from London Heathrow Airport to Serbia (average of £93). Flying from London Heathrow Airport to Serbia in December is currently the most expensive (average of £294). 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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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 3 airlines flying from Heathrow to Serbia

Discover the top 3 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 24 July 2026.
AirlineCheapestAverageFlexibilityOn-time
Wizz AirCheapest£52Average£157FlexibilityNo cancel feeOn-timeN/A
Search Wizz Air flights
Air SerbiaCheapest£83Average£169FlexibilityNo cancel feeOn-timeN/A
Search Air Serbia flights
LufthansaCheapest£158Average£229FlexibilityNo 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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