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Cheap flights from Serbia to London Heathrow Airport from £69

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 6/10. Fares are subject to change and may not be available on all flights or dates of travel.
BEG — LHR
29 Jul — 5 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Serbia to Heathrow

Enter your travel dates to find the best prices.

Cheapest flights from Serbia to Heathrow
Explore the most affordable flight options available from Serbia to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 June 2026.

Thu 23/714:00
BEG
-
LHR
1 stop9h 00m
LOT
Thu 30/706:30
LHR
-
BEG
1 stop5h 50m
LOT
Deal found 26/6£158
Wed 12/817:15
BEG
-
LHR
1 stop24h 55m
LOT
Sun 30/818:10
LHR
-
BEG
1 stop21h 25m
LOT
Deal found 26/6£159
Mon 6/717:15
BEG
-
LHR
1 stop24h 55m
LOT
Thu 9/706:30
LHR
-
BEG
1 stop9h 05m
LOT
Deal found 24/6£163
Wed 19/817:15
BEG
-
LHR
1 stop17h 05m
LOT
Mon 24/806:30
LHR
-
BEG
1 stop5h 50m
LOT
Deal found 24/6£164
Wed 19/817:15
BEG
-
LHR
1 stop17h 05m
LOT
Sat 22/806:30
LHR
-
BEG
1 stop9h 05m
LOT
Deal found 26/6£167
Sun 8/1106:05
BEG
-
LHR
1 stop5h 40m
KLM
Fri 13/1106:30
LHR
-
BEG
1 stop4h 25m
KLM
Deal found 26/6£167
Wed 15/717:15
BEG
-
LHR
1 stop5h 45m
LOT
Fri 31/718:10
LHR
-
BEG
1 stop18h 10m
LOT
Deal found 28/6£169
Wed 5/817:15
BEG
-
LHR
1 stop5h 45m
LOT
Mon 10/806:30
LHR
-
BEG
1 stop5h 50m
LOT
Deal found 27/6£170
Wed 5/814:00
BEG
-
LHR
1 stop9h 00m
LOT
Sun 9/806:30
LHR
-
BEG
1 stop5h 50m
LOT
Deal found 27/6£172
Tue 11/817:15
BEG
-
LHR
1 stop5h 45m
LOT
Mon 17/806:30
LHR
-
BEG
1 stop5h 50m
LOT
Deal found 24/6£173
Thu 20/817:15
BEG
-
LHR
1 stop24h 55m
LOT
Mon 24/806:30
LHR
-
BEG
1 stop9h 05m
LOT
Deal found 28/6£175
Fri 3/714:50
INI
-
LHR
1 stop5h 30m
SWISS
Sat 4/720:05
LHR
-
INI
1 stop11h 45m
SWISS
Deal found 24/6£266

Find flight deals from Serbia to Heathrow

Keep the following information in mind while searching for Serbia to Heathrow flight deals. Data was last updated 29 June 2026.

Round-trip from

£158

One-way from

£69

Popular in

September

Cheapest in

July

Average price

£218

Good round-trip deal

£202 or less

Good one-way deal

£112 or less
LOT
  • LOT
  • 23/7-30/7
  • 2 total stops
  • 14h 50m total
  • Serbia to London
Search Deals
6/10
  • 6/10
  • 1 total stop
  • 12h 15m total
  • Serbia to London
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (£7 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease (£8 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 2026
Search Deals
Price to beat on a round-trip flight from Serbia to London Heathrow.
Search Deals
Price to beat on a one-way flight from Serbia to London Heathrow.
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Serbia to Heathrow 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 29 June 2026.
Use the filters below to find and compare flights from Serbia to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BelgradeLondon

BEG - LHR

BEGLHR

Belgrade Nikola Tesla

Fri 4/9

17:10-20:45

1 stop4h 35m

London Heathrow

Sat 12/9

06:00-13:55

1 stop6h 55m

£195

BelgradeLondon

BEG - LHR

BEGLHR

Belgrade Nikola Tesla

Thu 6/8

13:10-18:25

1 stop6h 15m

London Heathrow

Mon 10/8

09:30-16:10

1 stop5h 40m

£210

BelgradeLondon

BEG - LHR

BEGLHR

Belgrade Nikola Tesla

Wed 29/7

09:15-21:30

2 stops13h 15m

London Heathrow

Sun 2/8

20:05-08:30

1 stop11h 25m

£230

BelgradeLondon

BEG - LHR

BEGLHR

Belgrade Nikola Tesla

Thu 30/7

14:40-21:30

2 stops7h 50m

London Heathrow

Mon 3/8

20:05-19:15

1 stop22h 10m

£249

BelgradeLondon

BEG - LHR

BEGLHR

Belgrade Nikola Tesla

Sun 8/11

09:40-16:20

1 stop7h 40m

London Heathrow

Sun 15/11

09:00-19:10

1 stop9h 10m

£254
Fastest return journey

BelgradeLondon

BEG - LHR

BEGLHR

Belgrade Nikola Tesla

Fri 4/9

10:25-12:30

Nonstop3h 05m

London Heathrow

Sat 12/9

13:30-17:15

Nonstop2h 45m

£262

BelgradeLondon

BEG - LHR

BEGLHR

Belgrade Nikola Tesla

Mon 17/8

20:00-08:15

2 stops13h 15m

London Heathrow

Tue 25/8

08:55-19:15

2 stops9h 20m

£269

BelgradeLondon

BEG - LHR

BEGLHR

Belgrade Nikola Tesla

Wed 12/8

20:00-07:55

1 stop12h 55m

London Heathrow

Sun 30/8

08:55-19:15

2 stops9h 20m

£295

BelgradeLondon

BEG - LHR

BEGLHR

Belgrade Nikola Tesla

Tue 6/10

14:40-21:30

2 stops7h 50m

London Heathrow

Fri 9/10

18:40-19:15

1 stop23h 35m

£319

NišLondon

INI - LHR

INILHR

Nis

Tue 11/8

13:20-09:50

1 stop21h 30m

London Heathrow

Tue 18/8

06:30-17:10

1 stop9h 40m

£332

Flights are sorted by cheapest return flights first.

Deals found on 25/6

Showing 1-10 of 24 resultsSorted by cheapest first
1
2
3

Best time to book a flight from Serbia to Heathrow

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

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

Currently, August is the cheapest month in which you can book a flight from Serbia to London Heathrow Airport (average of £40). Flying from Serbia to London Heathrow Airport in March is currently the most expensive (average of £303). 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 RS to LHR?

Find hourly flight availability from Serbia to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 29 June 2026.

When flying from Serbia to London Heathrow Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Serbia to London Heathrow Airport

Explore weekly flight availability from Serbia to Heathrow. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 29 June 2026.

The most flights from RS0 to LHR are scheduled on a Saturday (3 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (2 on average).

How often are flights from Serbia to London delayed?

About 14% of weekly flights between Serbia and London have experienced delays in the past year, with the average delay time being 118 minutes.

What is the most punctual flight time for Serbia to London flights?

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

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

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

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

Over the past year, airBaltic have had the lowest number of delays on this route, with just 6% of flights being delayed.

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. 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 Heathrow. Reviews last updated 29 June 2026.
Read reviews from past customers who have flown with Air Serbia from Serbia to London Heathrow Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air Serbia
6.1
Okay
232 reviews
Check prices

Crew

7.2

Comfort

6.5

Overall

6.1

Food

5.7

Boarding

6.2

Entertainment

5.5

Reviews

1 / 16
2.0
Mediocre

Maksym,May 2026

BEG - SPU

Rude service. Moved last minute from an assigned seat in row 4 to 21, crew told me is all the same. Yet they charge way more for front rows. Chaotic boarding. Avoid flying this airline. Ryanair or WizzAir looks better for far less.
Air Serbia
6.1
Okay
232 reviews
Air Serbia
6.1
Okay
232 reviews
Check prices

Crew

7.2

Comfort

6.5

Overall

6.1

Food

5.7

Boarding

6.2

Entertainment

5.5

Reviews

1 / 16
2.0
Mediocre

Maksym,May 2026

BEG - SPU

Rude service. Moved last minute from an assigned seat in row 4 to 21, crew told me is all the same. Yet they charge way more for front rows. Chaotic boarding. Avoid flying this airline. Ryanair or WizzAir looks better for far less.

Related info for your journey

Find useful and relevant information for your journey from Serbia to Heathrow. 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 Serbia to London Heathrow Airport?

    Departing from Serbia to London Heathrow Airport will take you 6h 15m. The distance from Serbia to London Heathrow Airport is about 1056 mi. This flight may include one or multiple stops.

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

    No one likes to see their flight delayed. When booking a flight from Serbia to London Heathrow Airport consider choosing airBaltic (94%), JetBlue (93%) or Air Serbia (91%) as they are the most reliable in getting you off to your destination on time.

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

    The cheapest flight price from Serbia to London Heathrow Airport is £101. On average you can expect to pay £196. The most popular route, (Belgrade Nikola Tesla - London Heathrow), can usually be booked for £176.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Serbia to London Heathrow Airport (average of £40). Flying from Serbia to London Heathrow Airport in March is currently the most expensive (average of £303). 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

Travelling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Hounslow
Milton Keynes
Luton
Wembley
Gatwick
Croydon
Slough
Ilford
Hayes
Brentford
Colchester
Northampton
Watford
Kingston upon Thames
Swindon
Eastbourne
Poole
Southall
Aylesbury
Romford

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Alternative routes for Serbia to Heathrow

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

Discover the top airline that operate flights from Serbia to Heathrow. 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 29 June 2026.
AirlineCheapestAverageFlexibilityOn-time
Air SerbiaCheapest£43Average£184FlexibilityNo cancel feeOn-timeN/A
Search Air Serbia 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 Serbia to Heathrow?

When you search for this flight from Serbia to Heathrow, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

Cheapflights helps you find that perfect flight to Heathrow from Serbia by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Users can book flights with no change fees policies with our dedicated filters. Book flights from Serbia to Heathrow flexibly with Cheapflights today.

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

Yes, Cheapflights offers price alerts on Serbia to Heathrow flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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