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Lyon to Istanbul in December 2026 GNB, LYS, XYD → IST, SAW

Grenoble-Isere Airport (GNB), Lyon Saint-Exupery International Airport (LYS), Lyon Part-Dieu (XYD) → Istanbul New Airport (IST), Sabiha Gokcen International Airport (SAW)

For departures in December 2026, the cheapest return found recently is $187 with Vueling, 16 Dec – 19 Dec, found 4 days ago.

Return

In December 2026, the cheapest return fare on each of 9 departure dates is usually $249 to $346. Across all 29 departure dates we hold on this route, it is usually $187 to $338. Of the 5 months with enough return fares to compare, 3 are usually cheaper than December 2026.

Cheapest return found recently

$187

16 Dec – 19 Dec · Vueling

Lyon Saint-Exupery International Airport (LYS) → Istanbul New Airport (IST)

out 1 stop, back nonstop

found 4 days ago

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 December 2026

DatesFromAirlineStopsFound
16 Dec – 19 Dec$187Vuelingout 1 stop, back nonstopfound 4 days agoSee prices for these dates
30 Dec – 6 Jan 2027$237Pegasus Airlinesout nonstop, back nonstopfound 6 days agoSee prices for these dates
17 Dec – 7 Jan 2027$249easyJetout 2 stops, back nonstopfound 4 days agoSee prices for these dates
15 Dec – 5 Jan 2027$284Vuelingout 1 stop, back 2 stopsfound 4 days agoSee prices for these dates
29 Dec – 5 Jan 2027$298Pegasus Airlinesout nonstop, back 2 stopsfound 6 days agoSee prices for these dates

Every date we hold

9 departure dates

15 Dec – 5 Jan 2027: $284, found 4 days ago16 Dec – 19 Dec: $187, found 4 days ago17 Dec – 7 Jan 2027: $249, found 4 days ago19 Dec – 3 Jan 2027: $375, found 5 days ago20 Dec – 6 Jan 2027: $338, found 4 days ago26 Dec – 3 Jan 2027: $346, found 6 days ago29 Dec – 5 Jan 2027: $298, found 6 days ago30 Dec – 6 Jan 2027: $237, found 6 days ago31 Dec – 2 Jan 2027: $351, found 4 days agoDec
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
15 Dec – 5 Jan 2027$284VuelingLyon Saint-Exupery International Airport (LYS) → Istanbul New Airport (IST)out 1 stop, back 2 stopsfound 4 days agoSee prices for these dates
16 Dec – 19 Dec$187VuelingLyon Saint-Exupery International Airport (LYS) → Istanbul New Airport (IST)out 1 stop, back nonstopfound 4 days agoSee prices for these dates
17 Dec – 7 Jan 2027$249easyJetLyon Saint-Exupery International Airport (LYS) → Istanbul New Airport (IST)out 2 stops, back nonstopfound 4 days agoSee prices for these dates
19 Dec – 3 Jan 2027$375VuelingLyon Saint-Exupery International Airport (LYS) → Sabiha Gokcen International Airport (SAW)out 3 stops, back 3 stopsfound 5 days agoSee prices for these dates
20 Dec – 6 Jan 2027$338Wizz Air MaltaLyon Saint-Exupery International Airport (LYS) → Sabiha Gokcen International Airport (SAW)out 1 stop, back 2 stopsfound 4 days agoSee prices for these dates
26 Dec – 3 Jan 2027$346Turkish AirlinesLyon Saint-Exupery International Airport (LYS) → Sabiha Gokcen International Airport (SAW)out nonstop, back 3 stopsfound 6 days agoSee prices for these dates
29 Dec – 5 Jan 2027$298Pegasus AirlinesLyon Saint-Exupery International Airport (LYS) → Sabiha Gokcen International Airport (SAW)out nonstop, back 2 stopsfound 6 days agoSee prices for these dates
30 Dec – 6 Jan 2027$237Pegasus AirlinesLyon Saint-Exupery International Airport (LYS) → Sabiha Gokcen International Airport (SAW)out nonstop, back nonstopfound 6 days agoSee prices for these dates
31 Dec – 2 Jan 2027$351AjetLyon Saint-Exupery International Airport (LYS) → Sabiha Gokcen International Airport (SAW)out nonstop, back 2 stopsfound 4 days agoSee prices for these dates

Which month looks cheapest?

November 2026 is the cheapest month — from $131.

October 2026From $2886 departure dates22 Oct – 3 Nov · found 6 days agoSee prices for these dates
November 2026From $131Cheapest seen6 departure dates14 Nov – 26 Nov · found yesterdaySee prices for these dates
December 2026From $1879 departure dates16 Dec – 19 Dec · found 4 days agoSee prices for these dates
January 2027From $1333 departure dates16 Jan 2027 – 21 Jan 2027 · found 6 days agoSee prices for these dates
February 2027From $1313 departure dates11 Feb 2027 – 14 Feb 2027 · found 3 days agoSee prices for these dates
March 2027From $1421 departure date6 Mar 2027 – 20 Mar 2027 · found 4 days agoSee prices for these dates
July 2027From $3281 departure date11 Jul 2027 – 15 Jul 2027 · found 3 days agoSee 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