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Houston to Istanbul flights in December 2026 from $927 HOU, IAH → IST, SAW

William P. Hobby Airport (HOU), George Bush Intercontinental Airport (IAH) → Istanbul New Airport (IST), Sabiha Gokcen International Airport (SAW)

For departures in December 2026, the cheapest return found recently is $927 with Turkish Airlines, 5 Dec – 8 Dec, found 2 days ago.

Return

In December 2026, the cheapest return fare on each of 10 departure dates is usually $929 to $990. Across all 24 departure dates we hold on this route, it is usually $891 to $995. Of the 3 months with enough return fares to compare, 1 is usually cheaper than December 2026.

Cheapest return found recently

$927

5 Dec – 8 Dec · Turkish Airlines

George Bush Intercontinental Airport (IAH) → Istanbul New Airport (IST)

out nonstop, back nonstop

found 2 days ago

See prices for these datesCheck today's price

Cheapest we hold, of any age

$815

9 Dec – 23 Dec · KLM

George Bush Intercontinental Airport (IAH) → Istanbul New Airport (IST)

out 1 stop, back 1 stop

found 7 days ago

See prices for these datesCheck today's price

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The cheapest dates in December 2026

DatesFromAirlineStopsFound
9 Dec – 23 Dec$815KLMout 1 stop, back 1 stopfound 7 days agoSee prices for these dates
8 Dec – 24 Dec$868United Airlinesout 1 stop, back 1 stopfound 6 days agoSee prices for these dates
5 Dec – 8 Dec$927Turkish Airlinesout nonstop, back nonstopfound 2 days agoSee prices for these dates
10 Dec – 15 Jan 2027$936United Airlinesout 2 stops, back 2 stopsfound 5 days agoSee prices for these dates
6 Dec – 9 Dec$953Air Franceout 1 stop, back 1 stopfound 2 days agoSee prices for these dates

Every date we hold

10 departure dates

5 Dec – 8 Dec: $927, found 2 days ago6 Dec – 9 Dec: $953, found 2 days ago7 Dec – 31 Dec: $1,235, found 6 days ago8 Dec – 24 Dec: $868, found 6 days ago9 Dec – 23 Dec: $815, found 7 days ago10 Dec – 15 Jan 2027: $936, found 5 days ago12 Dec – 15 Jan 2027: $961, found 8 days ago13 Dec – 13 Jan 2027: $988, found 8 days ago17 Dec – 29 Dec: $1,688, found 6 days ago28 Dec – 8 Jan 2027: $990, found 7 days agoDec
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
5 Dec – 8 Dec$927Turkish AirlinesGeorge Bush Intercontinental Airport (IAH) → Istanbul New Airport (IST)out nonstop, back nonstopfound 2 days agoSee prices for these dates
6 Dec – 9 Dec$953Air FranceGeorge Bush Intercontinental Airport (IAH) → Istanbul New Airport (IST)out 1 stop, back 1 stopfound 2 days agoSee prices for these dates
7 Dec – 31 Dec$1,235Turkish AirlinesGeorge Bush Intercontinental Airport (IAH) → Istanbul New Airport (IST)out nonstop, back nonstopfound 6 days agoSee prices for these dates
8 Dec – 24 Dec$868United AirlinesGeorge Bush Intercontinental Airport (IAH) → Istanbul New Airport (IST)out 1 stop, back 1 stopfound 6 days agoSee prices for these dates
9 Dec – 23 Dec$815KLMGeorge Bush Intercontinental Airport (IAH) → Istanbul New Airport (IST)out 1 stop, back 1 stopfound 7 days agoSee prices for these dates
10 Dec – 15 Jan 2027$936United AirlinesGeorge Bush Intercontinental Airport (IAH) → Istanbul New Airport (IST)out 2 stops, back 2 stopsfound 5 days agoSee prices for these dates
12 Dec – 15 Jan 2027$961British AirwaysGeorge Bush Intercontinental Airport (IAH) → Istanbul New Airport (IST)out 1 stop, back 1 stopfound 8 days agoSee prices for these dates
13 Dec – 13 Jan 2027$988KLMGeorge Bush Intercontinental Airport (IAH) → Sabiha Gokcen International Airport (SAW)out 1 stop, back 1 stopfound 8 days agoSee prices for these dates
17 Dec – 29 Dec$1,688Frontier AirlinesGeorge Bush Intercontinental Airport (IAH) → Sabiha Gokcen International Airport (SAW)out 3 stops, back 3 stopsfound 6 days agoSee prices for these dates
28 Dec – 8 Jan 2027$990British AirwaysGeorge Bush Intercontinental Airport (IAH) → 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 $815.

November 2026From $1,0093 departure dates28 Nov – 31 Dec · found 6 days agoSee prices for these dates
December 2026From $815Cheapest seen10 departure dates9 Dec – 23 Dec · found 7 days agoSee prices for these dates
January 2027From $86410 departure dates12 Jan 2027 – 23 Jan 2027 · found 7 days agoSee prices for these datesEvery date in January 2027
April 2027From $8391 departure date9 Apr 2027 – 17 Apr 2027 · found 8 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