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Montreal to Istanbul in December 2026 YHU, YUL → IST, SAW

St. Hubert Airport (YHU), Montreal-Pierre Elliott Trudeau International Airport (YUL) → Istanbul New Airport (IST), Sabiha Gokcen International Airport (SAW)

For departures in December 2026, the cheapest return found recently is C$988 (US$698) with Air Transat, 10 Dec – 22 Dec, found 2 days ago. The cheapest one-way found recently is C$695 (US$491) with Air Transat, 13 Dec, found 6 days ago.

Return

In December 2026, the cheapest return fare on each of 11 departure dates is usually C$1,054 (US$745) to C$1,291 (US$912). Across all 31 departure dates we hold on this route, it is usually C$1,062 (US$750) to C$1,180 (US$834). Of the 2 months with enough return fares to compare, December 2026 is usually the most expensive.

Cheapest return found recently

C$988 (US$698)

10 Dec – 22 Dec · Air Transat

Montreal-Pierre Elliott Trudeau International Airport (YUL) → Istanbul New Airport (IST)

out nonstop, back 1 stop

found 2 days ago

See prices for these datesCheck today's price

Cheapest we hold, of any age

C$852 (US$602)

3 Dec – 17 Dec · Air Transat

Montreal-Pierre Elliott Trudeau International Airport (YUL) → Istanbul New Airport (IST)

out nonstop, back nonstop

found 6 days ago

See prices for these datesCheck today's price

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The cheapest dates in December 2026

DatesFromAirlineStopsFound
3 Dec – 17 DecC$852 (US$602)Air Transatout nonstop, back nonstopfound 6 days agoSee prices for these dates
10 Dec – 22 DecC$988 (US$698)Air Transatout nonstop, back 1 stopfound 2 days agoSee prices for these dates
7 Dec – 13 DecC$1,053 (US$744)Air Transatout 1 stop, back 1 stopfound 2 days agoSee prices for these dates
4 Dec – 12 DecC$1,056 (US$746)Air Transatout 1 stop, back 1 stopfound 5 days agoSee prices for these dates
1 Dec – 9 DecC$1,067 (US$754)Air Canadaout 1 stop, back 1 stopfound 5 days agoSee prices for these dates

Every date we hold

11 departure dates

1 Dec – 9 Dec: C$1,067 (US$754), found 5 days ago3 Dec – 17 Dec: C$852 (US$602), found 6 days ago4 Dec – 12 Dec: C$1,056 (US$746), found 5 days ago6 Dec – 11 Dec: C$1,169 (US$826), found 2 days ago7 Dec – 13 Dec: C$1,053 (US$744), found 2 days ago8 Dec – 13 Dec: C$1,274 (US$900), found 2 days ago10 Dec – 22 Dec: C$988 (US$698), found 2 days ago11 Dec – 25 Dec: C$1,284 (US$907), found 2 days ago12 Dec – 26 Dec: C$1,298 (US$917), found 2 days ago13 Dec – 4 Jan 2027: C$1,329 (US$939), found 7 days ago28 Dec – 9 Jan 2027: C$1,505 (US$1,063), found 7 days agoDec
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
1 Dec – 9 DecC$1,067 (US$754)Air CanadaMontreal-Pierre Elliott Trudeau International Airport (YUL) → Sabiha Gokcen International Airport (SAW)out 1 stop, back 1 stopfound 5 days agoSee prices for these dates
3 Dec – 17 DecC$852 (US$602)Air TransatMontreal-Pierre Elliott Trudeau International Airport (YUL) → Istanbul New Airport (IST)out nonstop, back nonstopfound 6 days agoSee prices for these dates
4 Dec – 12 DecC$1,056 (US$746)Air TransatMontreal-Pierre Elliott Trudeau International Airport (YUL) → Istanbul New Airport (IST)out 1 stop, back 1 stopfound 5 days agoSee prices for these dates
6 Dec – 11 DecC$1,169 (US$826)Air TransatMontreal-Pierre Elliott Trudeau International Airport (YUL) → Istanbul New Airport (IST)out 1 stop, back 1 stopfound 2 days agoSee prices for these dates
7 Dec – 13 DecC$1,053 (US$744)Air TransatMontreal-Pierre Elliott Trudeau International Airport (YUL) → Istanbul New Airport (IST)out 1 stop, back 1 stopfound 2 days agoSee prices for these dates
8 Dec – 13 DecC$1,274 (US$900)British AirwaysMontreal-Pierre Elliott Trudeau International Airport (YUL) → Istanbul New Airport (IST)out 1 stop, back 1 stopfound 2 days agoSee prices for these dates
10 Dec – 22 DecC$988 (US$698)Air TransatMontreal-Pierre Elliott Trudeau International Airport (YUL) → Istanbul New Airport (IST)out nonstop, back 1 stopfound 2 days agoSee prices for these dates
11 Dec – 25 DecC$1,284 (US$907)Air TransatMontreal-Pierre Elliott Trudeau International Airport (YUL) → Istanbul New Airport (IST)out 1 stop, back 1 stopfound 2 days agoSee prices for these dates
12 Dec – 26 DecC$1,298 (US$917)Porter Airlines CanadaMontreal-Pierre Elliott Trudeau International Airport (YUL) → Istanbul New Airport (IST)out 1 stop, back 1 stopfound 2 days agoSee prices for these dates
13 Dec – 4 Jan 2027C$1,329 (US$939)Air TransatMontreal-Pierre Elliott Trudeau International Airport (YUL) → Istanbul New Airport (IST)out 1 stop, back 1 stopfound 7 days agoSee prices for these dates
28 Dec – 9 Jan 2027C$1,505 (US$1,063)British AirwaysMontreal-Pierre Elliott Trudeau International Airport (YUL) → Istanbul New Airport (IST)out 1 stop, back 1 stopfound 7 days agoSee prices for these dates

Which month looks cheapest?

December 2026 is the cheapest month — from C$852 (US$602).

October 2026From C$1,154 (US$815)2 departure dates21 Oct – 25 Nov · found 3 days agoSee prices for these dates
November 2026From C$923 (US$652)15 departure dates19 Nov – 3 Dec · found 8 hours agoSee prices for these datesEvery date in November 2026
December 2026From C$852 (US$602)Cheapest seen11 departure dates3 Dec – 17 Dec · found 6 days agoSee prices for these dates
January 2027From C$948 (US$670)1 departure date14 Jan 2027 – 21 Jan 2027 · found 2 days agoSee prices for these dates
February 2027From C$1,991 (US$1,407)1 departure date27 Feb 2027 – 14 Mar 2027 · found 4 days agoSee prices for these dates
March 2027From C$1,047 (US$740)1 departure date11 Mar 2027 – 16 Mar 2027 · found 4 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

C$695 (US$491)

13 Dec · Air Transat

Montreal-Pierre Elliott Trudeau International Airport (YUL) → Istanbul New Airport (IST)

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
13 DecC$695 (US$491)Air Transat1 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
13 DecC$695 (US$491)Air TransatMontreal-Pierre Elliott Trudeau International Airport (YUL) → Istanbul New Airport (IST)1 stopfound 6 days agoOpen this trip

Which month looks cheapest?

November 2026 is the cheapest month — from C$562 (US$397).

November 2026From C$562 (US$397)Cheapest seen2 departure dates12 Nov · found 3 days agoOpen this tripEvery date in November 2026
December 2026From C$695 (US$491)1 departure date13 Dec · found 6 days agoOpen this trip
January 2027From C$643 (US$454)5 departure dates9 Jan 2027 · found 6 days agoOpen this trip
February 2027From C$692 (US$489)1 departure date1 Feb 2027 · found 3 days agoOpen this trip
March 2027From C$665 (US$470)1 departure date19 Mar 2027 · found 4 days agoOpen this trip
August 2027From C$795 (US$562)1 departure date6 Aug 2027 · found 2 days agoOpen this trip

Prices are what travelers' searches on Aviasales found in the last 7 days: the price the seller showed on Aviasales; bags may cost extra. Canadian dollars at the Bank of Canada rate of 2026-10-16, US dollars in brackets. Fares change, so check today's price before you book. How our prices work