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Basel to Istanbul in December 2026 BSL, MLH, ZBA, ZDH → IST, SAW

EuroAirport Swiss (BSL), EuroAirport Basel-Mulhouse-Freiburg (MLH), Basel Bad Railway Station (ZBA), Basel SBB station (ZDH) → Istanbul New Airport (IST), Sabiha Gokcen International Airport (SAW)

For departures in December 2026, the cheapest return found recently is $265 with Wizz Air, 21 Dec – 24 Dec, found yesterday. The cheapest one-way found recently is $99 with Wizz Air, 16 Dec, found 6 days ago.

Return

In December 2026, the cheapest return fare on each of 8 departure dates is usually $294 to $319. Across all 35 departure dates we hold on this route, it is usually $136 to $295. Of the 4 months with enough return fares to compare, December 2026 is usually the most expensive.

Cheapest return found recently

$265

21 Dec – 24 Dec · Wizz Air

EuroAirport Swiss (BSL) → Istanbul New Airport (IST)

out 1 stop, back nonstop

found yesterday

See prices for these datesCheck today's price

Cheapest we hold, of any age

$178

4 Dec – 8 Jan 2027 · Ajet

EuroAirport Swiss (BSL) → Sabiha Gokcen International Airport (SAW)

out nonstop, back 1 stop

found 2 days ago

See prices for these datesCheck today's price

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The cheapest dates in December 2026

DatesFromAirlineStopsFound
4 Dec – 8 Jan 2027$178Ajetout nonstop, back 1 stopfound 2 days agoSee prices for these dates
21 Dec – 24 Dec$265Wizz Airout 1 stop, back nonstopfound yesterdaySee prices for these dates
24 Dec – 7 Jan 2027$303easyJetout 1 stop, back nonstopfound 5 days agoSee prices for these dates
26 Dec – 12 Jan 2027$308Ajetout nonstop, back nonstopfound 4 days agoSee prices for these dates
28 Dec – 6 Jan 2027$315Ajetout nonstop, back 1 stopfound 4 days agoSee prices for these dates

Every date we hold

8 departure dates

4 Dec – 8 Jan 2027: $178, found 2 days ago15 Dec – 3 Jan 2027: $317, found 4 days ago16 Dec – 3 Jan 2027: $324, found 4 days ago17 Dec – 3 Jan 2027: $325, found 2 days ago21 Dec – 24 Dec: $265, found yesterday24 Dec – 7 Jan 2027: $303, found 5 days ago26 Dec – 12 Jan 2027: $308, found 4 days ago28 Dec – 6 Jan 2027: $315, found 4 days agoDec
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
4 Dec – 8 Jan 2027$178AjetEuroAirport Swiss (BSL) → Sabiha Gokcen International Airport (SAW)out nonstop, back 1 stopfound 2 days agoSee prices for these dates
15 Dec – 3 Jan 2027$317Wizz AirEuroAirport Swiss (BSL) → Istanbul New Airport (IST)out 1 stop, back 2 stopsfound 4 days agoSee prices for these dates
16 Dec – 3 Jan 2027$324Wizz AirEuroAirport Swiss (BSL) → Istanbul New Airport (IST)out 1 stop, back 1 stopfound 4 days agoSee prices for these dates
17 Dec – 3 Jan 2027$325Wizz AirEuroAirport Swiss (BSL) → Istanbul New Airport (IST)out 1 stop, back 2 stopsfound 2 days agoSee prices for these dates
21 Dec – 24 Dec$265Wizz AirEuroAirport Swiss (BSL) → Istanbul New Airport (IST)out 1 stop, back nonstopfound yesterdaySee prices for these dates
24 Dec – 7 Jan 2027$303easyJetEuroAirport Swiss (BSL) → Sabiha Gokcen International Airport (SAW)out 1 stop, back nonstopfound 5 days agoSee prices for these dates
26 Dec – 12 Jan 2027$308AjetEuroAirport Swiss (BSL) → Sabiha Gokcen International Airport (SAW)out nonstop, back nonstopfound 4 days agoSee prices for these dates
28 Dec – 6 Jan 2027$315AjetEuroAirport Swiss (BSL) → Sabiha Gokcen International Airport (SAW)out nonstop, back 1 stopfound 4 days agoSee prices for these dates

Which month looks cheapest?

November 2026 is the cheapest month — from $112.

October 2026From $11910 departure dates31 Oct – 9 Nov · found yesterdaySee prices for these datesEvery date in October 2026
November 2026From $112Cheapest seen12 departure dates3 Nov – 12 Nov · found 14 hours agoSee prices for these datesEvery date in November 2026
December 2026From $1788 departure dates4 Dec – 8 Jan 2027 · found 2 days agoSee prices for these dates
January 2027From $1203 departure dates14 Jan 2027 – 18 Jan 2027 · found 7 days agoSee prices for these dates
February 2027From $1411 departure date4 Feb 2027 – 7 Feb 2027 · found 6 days agoSee prices for these dates
March 2027From $1581 departure date5 Mar 2027 – 12 Mar 2027 · found 2 days agoSee prices for these dates

One-way

We hold one-way fares on only 1 departure date in December 2026, too few to say what one usually costs.

Cheapest one-way found recently

$99

16 Dec · Wizz Air

EuroAirport Basel-Mulhouse-Freiburg (MLH) → Sabiha Gokcen International Airport (SAW)

1 stop

found 6 days ago

Open this tripCheck today's price

It is also the cheapest one-way we hold, of any age.

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The cheapest dates in December 2026

DatesFromAirlineStopsFound
16 Dec$99Wizz Air1 stopfound 6 days agoOpen this trip

Every date we hold

1 departure date

See every date as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
16 Dec$99Wizz AirEuroAirport Basel-Mulhouse-Freiburg (MLH) → Sabiha Gokcen International Airport (SAW)1 stopfound 6 days agoOpen this trip

Which month looks cheapest?

November 2026 is the cheapest month — from $58.

October 2026From $581 departure date26 Oct · found 3 days agoOpen this tripEvery date in October 2026
November 2026From $58Cheapest seen5 departure dates5 Nov · found 3 hours agoOpen this tripEvery date in November 2026
December 2026From $991 departure date16 Dec · found 6 days agoOpen this trip
January 2027From $582 departure dates2 Jan 2027 · found 6 days agoOpen this trip
March 2027From $621 departure date7 Mar 2027 · found 5 days agoOpen this trip
April 2027From $881 departure date26 Apr 2027 · found 5 days agoOpen this trip

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