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Istanbul to Belgrade flights in September 2027 from $225 IST, SAW → BEG

Istanbul New Airport (IST), Sabiha Gokcen International Airport (SAW) → Belgrad Nikola Tesla Airport (BEG)

For departures in September 2027, the cheapest return found recently is $225 with Air Serbia, 4 Sept 2027 – 11 Sept 2027, found yesterday.

Return

In September 2027, the cheapest return fare on each of 13 departure dates is usually $235 to $239. Across all 160 departure dates we hold on this route, it is usually $213 to $239. Of the 11 months with enough return fares to compare, 9 are usually cheaper than September 2027.

Cheapest return found recently

$225

4 Sept 2027 – 11 Sept 2027 · Air Serbia

Istanbul New Airport (IST) → Belgrad Nikola Tesla Airport (BEG)

out 1 stop, back 1 stop

found yesterday

See prices for these datesCheck today's price

It is also the cheapest return we hold, of any age.

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The cheapest dates in September 2027

DatesFromAirlineStopsFound
4 Sept 2027 – 11 Sept 2027$225Air Serbiaout 1 stop, back 1 stopfound yesterdaySee prices for these dates
6 Sept 2027 – 14 Sept 2027$227Taromout 1 stop, back 1 stopfound yesterdaySee prices for these dates
9 Sept 2027 – 18 Sept 2027$227Taromout 1 stop, back 1 stopfound yesterdaySee prices for these dates
7 Sept 2027 – 9 Sept 2027$235Air Serbiaout nonstop, back nonstopfound 3 days agoSee prices for these dates
17 Sept 2027 – 27 Sept 2027$238Ajetout nonstop, back nonstopfound yesterdaySee prices for these dates

Every date we hold

13 departure dates

3 Sept 2027 – 8 Sept 2027: $239, found yesterday4 Sept 2027 – 11 Sept 2027: $225, found yesterday5 Sept 2027 – 15 Sept 2027: $239, found yesterday6 Sept 2027 – 14 Sept 2027: $227, found yesterday7 Sept 2027 – 9 Sept 2027: $235, found 3 days ago8 Sept 2027 – 16 Sept 2027: $239, found yesterday9 Sept 2027 – 18 Sept 2027: $227, found yesterday10 Sept 2027 – 20 Sept 2027: $239, found yesterday15 Sept 2027 – 25 Sept 2027: $239, found yesterday17 Sept 2027 – 27 Sept 2027: $238, found yesterday19 Sept 2027 – 25 Sept 2027: $239, found yesterday20 Sept 2027 – 27 Sept 2027: $238, found yesterday22 Sept 2027 – 27 Sept 2027: $238, found yesterdaySep
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
3 Sept 2027 – 8 Sept 2027$239Air SerbiaIstanbul New Airport (IST) → Belgrad Nikola Tesla Airport (BEG)out nonstop, back nonstopfound yesterdaySee prices for these dates
4 Sept 2027 – 11 Sept 2027$225Air SerbiaIstanbul New Airport (IST) → Belgrad Nikola Tesla Airport (BEG)out 1 stop, back 1 stopfound yesterdaySee prices for these dates
5 Sept 2027 – 15 Sept 2027$239Air SerbiaIstanbul New Airport (IST) → Belgrad Nikola Tesla Airport (BEG)out nonstop, back nonstopfound yesterdaySee prices for these dates
6 Sept 2027 – 14 Sept 2027$227TaromIstanbul New Airport (IST) → Belgrad Nikola Tesla Airport (BEG)out 1 stop, back 1 stopfound yesterdaySee prices for these dates
7 Sept 2027 – 9 Sept 2027$235Air SerbiaIstanbul New Airport (IST) → Belgrad Nikola Tesla Airport (BEG)out nonstop, back nonstopfound 3 days agoSee prices for these dates
8 Sept 2027 – 16 Sept 2027$239Air SerbiaIstanbul New Airport (IST) → Belgrad Nikola Tesla Airport (BEG)out nonstop, back nonstopfound yesterdaySee prices for these dates
9 Sept 2027 – 18 Sept 2027$227TaromIstanbul New Airport (IST) → Belgrad Nikola Tesla Airport (BEG)out 1 stop, back 1 stopfound yesterdaySee prices for these dates
10 Sept 2027 – 20 Sept 2027$239Air SerbiaIstanbul New Airport (IST) → Belgrad Nikola Tesla Airport (BEG)out nonstop, back nonstopfound yesterdaySee prices for these dates
15 Sept 2027 – 25 Sept 2027$239Air SerbiaIstanbul New Airport (IST) → Belgrad Nikola Tesla Airport (BEG)out nonstop, back nonstopfound yesterdaySee prices for these dates
17 Sept 2027 – 27 Sept 2027$238AjetSabiha Gokcen International Airport (SAW) → Belgrad Nikola Tesla Airport (BEG)out nonstop, back nonstopfound yesterdaySee prices for these dates
19 Sept 2027 – 25 Sept 2027$239Air SerbiaIstanbul New Airport (IST) → Belgrad Nikola Tesla Airport (BEG)out nonstop, back nonstopfound yesterdaySee prices for these dates
20 Sept 2027 – 27 Sept 2027$238AjetSabiha Gokcen International Airport (SAW) → Belgrad Nikola Tesla Airport (BEG)out nonstop, back nonstopfound yesterdaySee prices for these dates
22 Sept 2027 – 27 Sept 2027$238AjetSabiha Gokcen International Airport (SAW) → Belgrad Nikola Tesla Airport (BEG)out nonstop, back nonstopfound yesterdaySee prices for these dates

Which month looks cheapest?

February 2027 is the cheapest month — from $123.

November 2026From $1758 departure dates22 Nov – 4 Dec · found 2 days agoSee prices for these datesEvery date in November 2026
December 2026From $22319 departure dates9 Dec – 11 Dec · found todaySee prices for these datesEvery date in December 2026
January 2027From $13722 departure dates7 Jan 2027 – 15 Jan 2027 · found todaySee prices for these datesEvery date in January 2027
February 2027From $123Cheapest seen15 departure dates19 Feb 2027 – 28 Feb 2027 · found 7 hours agoSee prices for these datesEvery date in February 2027
March 2027From $15516 departure dates14 Mar 2027 – 21 Mar 2027 · found todaySee prices for these datesEvery date in March 2027
April 2027From $21215 departure dates27 Apr 2027 – 1 May 2027 · found 3 days agoSee prices for these datesEvery date in April 2027
May 2027From $21717 departure dates4 May 2027 – 18 May 2027 · found 3 days agoSee prices for these datesEvery date in May 2027
June 2027From $21317 departure dates4 Jun 2027 – 7 Jun 2027 · found 4 days agoSee prices for these datesEvery date in June 2027
July 2027From $21610 departure dates2 Jul 2027 – 25 Jul 2027 · found 4 days agoSee prices for these datesEvery date in July 2027
August 2027From $2257 departure dates14 Aug 2027 – 31 Aug 2027 · found todaySee prices for these datesEvery date in August 2027
September 2027From $22513 departure dates4 Sept 2027 – 11 Sept 2027 · found yesterdaySee prices for these dates
October 2027From $2441 departure date7 Oct 2027 – 10 Oct 2027 · found yesterdaySee prices for these dates

Prices are what travelers' searches on Aviasales found in the last 7 days, in US dollars: the price the seller showed on Aviasales; bags may cost extra. Fares change, so check today's price before you book. How our prices work