Delhi (DEL) to Houston (IAH) is about 8,360 miles and typically takes 16 h 45 min by air. It is an international route, so check passport and entry rules. Airlines with hubs at both ends are the likeliest to offer nonstops; otherwise expect a connection. Call (800) 490-3234 for live fares.
DEL to IAH at a glance
| Route | Delhi (DEL) to Houston (IAH) |
|---|---|
| Distance | about 8,360 miles / 13,450 km |
| Typical flight time | 16 h 45 min (estimate) |
| Time difference | 11½ hours behind |
| Route type | International |
| Airlines with hubs here | United Airlines and Air India |
About the Delhi to Houston route
The route between Delhi (DEL) and Houston (IAH) crosses borders and, in most cases, an ocean or a continent. It rewards early planning: entry rules, passport validity and baggage allowances all vary from one destination to the next.
Flight time and distance
A typical flight takes about 16 h 45 min gate to gate, with a realistic range of 16 h 25 min to 17 h 10 min depending on wind, routing and aircraft. That is an estimate based on the distance of roughly 8,360 miles (13,450 km), not a published schedule.
Houston is 11½ hours behind Delhi on standard time, so the arrival time on your ticket will look different from the flight duration.
Among the 200 routes in our guides, DEL to IAH is longer than about 98% of them.
For comparison, Delhi to Dallas (DEL to DFW) is about 8,170 miles, so Houston is a bit farther out from DEL.
The airports
Indira Gandhi International Airport (DEL)
Indira Gandhi International is North India's largest airport and the main hub for Air India. Full DEL guide.
George Bush Intercontinental Airport (IAH)
Bush Intercontinental is United's gateway to Latin America and Texas. Full IAH guide.
Do not stop at DEL and IAH. Also compare around Houston, Houston Hobby (HOU), because a different airport can change both the fare and your ground travel.
Airlines on this route
No single carrier we cover has hubs at both DEL and IAH. United Airlines (at IAH) and Air India (at DEL) each operate a large network at one end, so many itineraries on this route connect rather than fly nonstop.
Airlines add and drop frequencies throughout the year. Our agents can check what is actually scheduled on your dates.
Common connection points
A one-stop trip would most naturally connect through a hub such as United Airlines via Chicago (ORD), which adds about 40 miles (0% beyond the direct distance) or Air India via Mumbai (BOM), which adds about 1,300 miles (16% beyond the direct distance). Choose the connection with the best weather odds for your travel month and leave a comfortable layover; our layover guide explains how much time is realistic.
Best time to fly
Timing matters here. At IAH, hurricane season from June to November can bring weather-related disruptions. At DEL, october through March has the most comfortable weather; wedding season and festivals increase demand.
Ground transport
Getting to and from DEL
The Airport Express Metro Line connects to New Delhi Railway Station in about 20 minutes.
Getting to and from IAH
Metro buses and a flat-rate airport shuttle serve downtown; most visitors use rideshare or rental cars.
Booking tips
Check passport validity and entry rules for the United States before you book, and make sure the name on your ticket matches your passport exactly. Our international checklist lists what to confirm.
Frequently asked questions
How long is the flight from Delhi to Houston?
A typical DEL to IAH flight takes about 16 h 45 min, with a likely range of 16 h 25 min to 17 h 10 min. Actual time depends on wind, routing, aircraft and whether you connect.
How far is Houston from Delhi by air?
The great-circle distance between DEL and IAH is about 8,360 miles (13,450 km).
Which airlines fly from Delhi to Houston?
United Airlines and Air India have a major presence at DEL or IAH, and service varies by season. Ask us to check current nonstop and connecting options.
What is the time difference between Delhi and Houston?
Houston is 11½ hours behind Delhi on standard time. Daylight saving time can change the gap for part of the year.
Do I need a passport to fly from Delhi to Houston?
Yes, international flights require a valid passport, and the United States may have additional entry or visa rules. Check the official government site before booking.
When is the best time to book DEL to IAH?
Domestic fares are often competitive one to three months ahead, while international trips benefit from more lead time. Compare several dates, since fares are priced flight by flight.
Explore related routes
More flights involving Delhi (DEL)
- Delhi to AtlantaDEL to ATL
- Delhi to ChicagoDEL to ORD
- Delhi to DallasDEL to DFW
- Delhi to MumbaiDEL to BOM
- Delhi to New YorkDEL to JFK
- Delhi to San FranciscoDEL to SFO
More flights involving Houston (IAH)
- Houston to ChicagoIAH to ORD
- Houston to DenverIAH to DEN
- Houston to Los AngelesIAH to LAX
- Houston to NewarkIAH to EWR
- Houston to San FranciscoIAH to SFO
- Houston to SeattleIAH to SEA
Last reviewed October 22, 2026. FlighTicketHub provides general information; confirm details with the airline before you travel.