What are the cheapest airlines to fly from Serbia to London Heathrow Airport one-way?

£42 is the cheapest one-way deal found within the past few days, from Air Serbia. You may also be able to find cheap deals on KLM and LOT, with prices starting from £85 and £102, respectively.

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

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

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

The cheapest flight price from Serbia to London Heathrow Airport is £40. On average you can expect to pay £121. The most popular route, (Belgrade Nikola Tesla - London Heathrow), can usually be booked for £155.

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

Sunday flights are generally found to be more expensive for flights from Serbia to London Heathrow Airport. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to London Heathrow Airport.

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

To save up to 195% on this flight, we recommend booking at least 44 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Serbia to London Heathrow Airport from £93 1-2 weeks out and tickets from £133 for flights departing within the next 72 hours.

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

Flights from Serbia to London Heathrow Airport lean towards being more expensive in January. Prices are generally better when you fly from Serbia to London Heathrow Airport in February, with the cheapest ticket starting at £15.

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.

£206+ Flights from Serbia to London Heathrow Airport

Cheap flight deals from Serbia to Heathrow

Round-trip from	£138
One-way from	£42
Popular in	January
Cheapest in	February
Average price	£76
Good one-way deal	£96 or less

Air Serbia
4/12-11/12
Nonstop
5h 40m total
Serbia to London

Search Deals

Air Serbia
21/6
Nonstop
3h 00m total
Serbia to London

Search Deals

Highest demand for flights based on searches. 1% potential increase in price (£1 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 8% potential price decrease (£6 potential savings vs. average return price).

Search Deals

Average for round-trip flights in June 2025

Search Deals

Price to beat on a one-way flight from Serbia to London Heathrow.

Search Deals

Find flight deals from Serbia to Heathrow

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 13 June 2025.

Thu 4/1210:20BEG - LHR

Nonstop3h 00mAir Serbia

Thu 11/1213:20LHR - BEG

Nonstop2h 40mAir Serbia

Deal found 11/6£138

Fri 4/714:00BEG - LHR

1 stop20h 20mLOT

Wed 9/706:30LHR - BEG

1 stop9h 10mLOT

Deal found 12/6£155

Thu 7/807:00BEG - LHR

1 stop26h 45mMultiple Airlines

Sun 10/806:00LHR - BEG

1 stop12h 10mMultiple Airlines

Deal found 12/6£163

Fri 4/717:10BEG - LHR

1 stop6h 30mLufthansa

Tue 8/713:45LHR - BEG

1 stop8h 30mLufthansa

Deal found 11/6£165

Fri 20/607:00BEG - LHR

1 stop26h 20mAustrian Airlines

Sun 29/606:00LHR - BEG

1 stop16h 35mAustrian Airlines

Deal found 11/6£190

Wed 3/914:45BEG - LHR

2 stops18h 30mSWISS

Wed 24/908:40LHR - BEG

1 stop9h 30mSWISS

Deal found 11/6£196

Thu 21/813:00INI - LHR

2 stops9h 40mMultiple Airlines

Sun 24/821:05LHR - INI

1 stop23h 05mMultiple Airlines

Deal found 13/6£314

Sat 21/615:20INI - LHR

1 stop8h 05mTurkish Airlines

Tue 24/606:30LHR - INI

1 stop9h 40mTurkish Airlines

Deal found 11/6£315

Best flights from Serbia to Heathrow
Discover carefully curated flight deals from Serbia to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 13 June 2025.

Thu 4/1210:20BEG - LHR

Nonstop3h 00mAir Serbia

Thu 11/1213:20LHR - BEG

Nonstop2h 40mAir Serbia

Deal found 11/6£138

Fri 4/714:00BEG - LHR

1 stop20h 20mLOT

Wed 9/706:30LHR - BEG

1 stop9h 10mLOT

Deal found 12/6£155

Fri 4/717:10BEG - LHR

1 stop6h 30mLufthansa

Tue 8/716:25LHR - BEG

1 stop5h 50mLufthansa

Deal found 9/6£163

Fri 1/817:10BEG - LHR

1 stop6h 30mMultiple Airlines

Sun 10/806:00LHR - BEG

1 stop12h 10mMultiple Airlines

Deal found 12/6£167

Wed 3/914:45BEG - LHR

2 stops18h 30mSWISS

Wed 24/908:40LHR - BEG

1 stop9h 30mSWISS

Deal found 11/6£196

Thu 10/715:00BEG - LHR

1 stop7h 10mAegean Airlines

Sun 13/722:15LHR - BEG

1 stop14h 40mAegean Airlines

Deal found 10/6£319

Wed 17/900:50BEG - LHR

1 stop10h 00mTurkish Airlines

Mon 22/918:55LHR - BEG

1 stop12h 35mTurkish Airlines

Deal found 10/6£370

Thu 21/813:00INI - LHR

2 stops9h 40mMultiple Airlines

Sun 24/821:05LHR - INI

1 stop23h 05mMultiple Airlines

Deal found 13/6£314

Last-minute flights from Serbia to Heathrow
Discover last-minute flight deals from Serbia to Heathrow. Data last updated 13 June 2025 and is based on user searches.

Fri 13/610:30BEG - LHR

Nonstop3h 00mAir Serbia

Sun 15/619:25LHR - BEG

Nonstop2h 40mAir Serbia

Deal found 11/6£269

Wed 18/619:55BEG - LHR

1 stop13h 00mMultiple Airlines

Wed 25/609:00LHR - BEG

1 stop6h 25mMultiple Airlines

Deal found 10/6£194

Wed 18/600:50BEG - LHR

1 stop10h 00mTurkish Airlines

Tue 24/606:30LHR - BEG

1 stop7h 40mTurkish Airlines

Deal found 11/6£540

Thu 19/617:15BEG - LHR

1 stop17h 05mLOT

Tue 24/606:30LHR - BEG

1 stop9h 05mLOT

Deal found 11/6£168

Fri 20/607:00BEG - LHR

1 stop26h 20mAustrian Airlines

Sun 29/606:00LHR - BEG

1 stop16h 35mAustrian Airlines

Deal found 11/6£190

Sat 21/606:05BEG - LHR

1 stop4h 50mLufthansa

Tue 24/606:55LHR - BEG

2 stops7h 50mLufthansa

Deal found 12/6£231

Sat 21/617:05BEG - LHR

Nonstop3h 00mAir Serbia

Tue 24/613:30LHR - BEG

Nonstop2h 40mAir Serbia

Deal found 10/6£281

Sat 21/614:45BEG - LHR

1 stop5h 35mSWISS

Tue 24/619:15LHR - BEG

2 stops22h 55mSWISS

Deal found 12/6£282

Sat 21/615:20INI - LHR

1 stop8h 05mTurkish Airlines

Tue 24/606:30LHR - INI

1 stop9h 40mTurkish Airlines

Deal found 11/6£315

Sat 21/615:20INI - LHR

1 stop26h 20mMultiple Airlines

Tue 24/606:30LHR - INI

2 stops10h 20mMultiple Airlines

Deal found 11/6£401

Mon 23/617:10BEG - LHR

1 stop6h 30mMultiple Airlines

Fri 27/620:05LHR - BEG

1 stop11h 30mMultiple Airlines

Deal found 12/6£177

Thu 26/600:50BEG - LHR

1 stop16h 25mTurkish Airlines

Sun 29/619:05LHR - BEG

1 stop12h 25mTurkish Airlines

Deal found 12/6£467

One-way flights from Serbia to Heathrow
Search for one-way flight options from Serbia to Heathrow. Find affordable one-way fares based on user searches. Data last updated 13 June 2025.

Sat 21/610:30BEG - LHR

Nonstop3h 00mAir Serbia

Deal found 11/6£42

Tue 8/712:50BEG - LHR

1 stop6h 55mMultiple Airlines

Deal found 10/6£74

Fri 19/912:35BEG - LHR

1 stop6h 00mKLM

Deal found 11/6£85

Sat 20/917:15BEG - LHR

1 stop5h 45mLOT

Deal found 11/6£102

Mon 30/614:25BEG - LHR

1 stop5h 25mEurowings

Deal found 12/6£106

Sun 13/718:30BEG - LHR

1 stop25h 10mAustrian Airlines

Deal found 12/6£128

Wed 27/806:10BEG - LHR

1 stop11h 30mLufthansa

Deal found 11/6£136

Tue 9/909:25BEG - LHR

2 stops8h 10mSWISS

Deal found 12/6£149

Tue 17/616:00BEG - LHR

1 stop7h 25mTurkish Airlines

Deal found 12/6£187

Fri 27/600:40BEG - LHR

1 stop8h 25mBulgaria Air

Deal found 12/6£216

Thu 3/700:40BEG - LHR

2 stops23h 00mAegean Airlines

Deal found 10/6£248

Cheapflights Fare Finder

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

BelgradeLondon

BEG - LHR

BEGLHR

Belgrade Nikola Tesla

Thu 4/12

10:20-12:20

Nonstop3h 00m

London Heathrow

Thu 11/12

13:20-17:00

Nonstop2h 40m

£138

BelgradeLondon

BEG - LHR

BEGLHR

Belgrade Nikola Tesla

Fri 4/7

14:00-09:20

1 stop20h 20m

London Heathrow

Wed 9/7

06:30-16:40

1 stop9h 10m

£155

BelgradeLondon

BEG - LHR

BEGLHR

Belgrade Nikola Tesla

Fri 4/7

17:10-22:40

1 stop6h 30m

London Heathrow

Tue 8/7

16:25-23:15

1 stop5h 50m

£163

BelgradeLondon

BEG - LHR

BEGLHR

Belgrade Nikola Tesla

Fri 1/8

17:10-22:40

1 stop6h 30m

London Heathrow

Sun 10/8

06:00-19:10

1 stop12h 10m

£167

BelgradeLondon

BEG - LHR

BEGLHR

Belgrade Nikola Tesla

Wed 3/9

14:45-08:15

2 stops18h 30m

London Heathrow

Wed 24/9

08:40-19:10

1 stop9h 30m

£196

NišLondon

INI - LHR

INILHR

Nis

Thu 21/8

13:00-21:40

2 stops9h 40m

London Heathrow

Sun 24/8

21:05-21:10

1 stop23h 05m

£314

BelgradeLondon

BEG - LHR

BEGLHR

Belgrade Nikola Tesla

Thu 10/7

15:00-21:10

1 stop7h 10m

London Heathrow

Sun 13/7

22:15-13:55

1 stop14h 40m

£319

BelgradeLondon

BEG - LHR

BEGLHR

Belgrade Nikola Tesla

Wed 17/9

00:50-09:50

1 stop10h 00m

London Heathrow

Mon 22/9

18:55-08:30

1 stop12h 35m

£370

BelgradeLondon

BEG - LHR

BEGLHR

Belgrade Nikola Tesla

Sat 21/6

10:30-12:30

Nonstop3h 00m

£42

BelgradeLondon

BEG - LHR

BEGLHR

Belgrade Nikola Tesla

Tue 8/7

12:50-18:45

1 stop6h 55m

£74

Flights are sorted by cheapest return flights first.

Deals found on 11/6

Showing 1-10 of 19 results

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, January is the cheapest month in which you can book a flight from Serbia to London Heathrow Airport (average of £112). Flying from Serbia to London Heathrow Airport in August is currently the most expensive (average of £164). 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?

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

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

Rainfall in Heathrow by month

In terms of precipitation, rainfall in London Heathrow Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.

Temperature in Heathrow by month

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

Reviews of airlines servicing Heathrow

To help decide which airline to fly from Serbia to London, see what other customers have to say about Aegean Airlines, KLM and LOT. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Aegean Airlines

8.2

Very Good

759 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you

Aegean Airlines

8.2

Very Good

759 reviews

Aegean Airlines

8.2

Very Good

759 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you

KLM

7.8

Good

1,358 reviews

Aegean Airlines

8.2

Very Good

759 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you

LOT

7.6

Good

1,079 reviews

Aegean Airlines

8.2

Very Good

759 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you

Austrian Airlines

7.6

Good

802 reviews

Aegean Airlines

8.2

Very Good

759 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you

SWISS

7.5

Good

1,624 reviews

Aegean Airlines

8.2

Very Good

759 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you

Related info for your journey

What are the cheapest airlines to fly from Serbia to London Heathrow Airport one-way?
£42 is the cheapest one-way deal found within the past few days, from Air Serbia. You may also be able to find cheap deals on KLM and LOT, with prices starting from £85 and £102, respectively.
What are the cheapest flights from Serbia to London Heathrow Airport?
The cheapest flight price from Serbia to London Heathrow Airport is £40. On average you can expect to pay £121. The most popular route, (Belgrade Nikola Tesla - London Heathrow), can usually be booked for £155.
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, January is the cheapest month in which you can book a flight from Serbia to London Heathrow Airport (average of £112). Flying from Serbia to London Heathrow Airport in August is currently the most expensive (average of £164). 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

Deal

Hounslow

Croydon

Milton Keynes

Northampton

Gatwick

Luton

Slough

Wembley

Crawley

Eastbourne

Ilford

Southend-on-Sea

Watford

Hayes

Ipswich

Winchester

Folkestone

Maidstone

Swindon

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Serbia to Heathrow

Airline	Cheapest	Average	Flexibility	On-time
Air Serbia	Cheapest£91	Average£207	FlexibilityNo cancel fee	On-timeN/A	Search Air Serbia flights

Fly with Cheapflights

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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Cheap flights from Serbia to London Heathrow Airport from £42

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 21/6. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Serbia to Heathrow

Keep the following information in mind while searching for Serbia to Heathrow flight deals. Data was last updated 13 June 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good one-way deal

Find flight deals from Serbia to Heathrow

Cheapest flights from Serbia to HeathrowExplore 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 13 June 2025.

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 13 June 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Serbia to London Heathrow Airport that are best for you.

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.

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?

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 13 June 2025.

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 13 June 2025.

Rainfall in Heathrow by month

Plan your trip to Heathrow by taking into account the average rainfall totals by month.

Temperature in Heathrow by month

Plan your trip to Heathrow by taking into account the average temperature totals by month.

Reviews of airlines servicing Heathrow

To help decide which airline to fly from Serbia to London, see what other customers have to say about Aegean Airlines, KLM and LOT. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

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.

What are the cheapest airlines to fly from Serbia to London Heathrow Airport one-way?

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

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

How can I find direct flights from Serbia to Heathrow?

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

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

Travelling to a place near Serbia?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Serbia to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from Serbia to Heathrow

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?

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

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

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

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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 13 June 2025.