AirHint found the following cheapest return flights from Houston (IAH) to Delhi (DEL) in December 2025 (see full year).

Return flights

04 Dec - 29 Dec	Turkish Airlines
03 Dec - 19 Jan	Spirit Airlines
08 Dec - 21 Dec	Turkish Airlines
29 Dec - 15 Jan	Turkish Airlines
07 Dec - 15 Jan	Turkish Airlines
05 Dec - 25 Jan	Turkish Airlines
03 Dec - 31 Dec	Turkish Airlines
08 Dec - 17 Jan	Turkish Airlines
08 Dec - 15 Jan	Turkish Airlines
08 Dec - 12 Jan	IndiGo
05 Dec - 12 Jan	IndiGo
24 Dec - 29 Dec	IndiGo
24 Dec - 30 Dec	IndiGo
07 Dec - 10 Jan	Turkish Airlines
10 Dec - 20 Jan	Lufthansa
24 Dec - 31 Dec	IndiGo
11 Dec - 31 Dec	Turkish Airlines
18 Dec - 31 Dec	Frontier Airlines

Also check the deals for one-way flights from Houston to Delhi in December.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Houston to Delhi in December from $764

Return flights