What is the longest flight from IAH?

The longest nonstop route in FlightQ's current IAH schedule set is IAH to DXB, about 8,155 miles with an estimated block time of ~17h 25m.

How are the longest IAH flights ranked?

Routes are ranked by great-circle distance between the origin and destination airports. Flight times are estimates unless a route page has tracked duration data.

Are these guaranteed live routes?

The list is built from FlightQ's current schedule capture. Airlines change timetables often, so always confirm dates and availability before booking.

Longest Flights From IAH: Routes & Flight Times

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Farthest nonstop routes

Longest nonstop flights from IAH
#	Route	Distance	Est. time	Airlines	Frequency
1	IAH to DXB Dubai, United Arab Emirates	8,155 mi	~17h 25m	Emirates	1/day
2	IAH to DOH Doha, Qatar	8,037 mi	~17h 10m	Qatar Airways	1-2/day
3	IAH to TPE Taipei, Taiwan	7,926 mi	~16h 56m	EVA Air	1/day
4	IAH to AKL Auckland, New Zealand	7,421 mi	~15h 54m	Air New Zealand	1/day
5	IAH to HND Tokyo, Japan	6,664 mi	~14h 20m	All Nippon Airways	1/day
6	IAH to NRT Tokyo, Japan	6,630 mi	~14h 16m	United Airlines, ZIPAIR Tokyo	1-2/day
7	IAH to IST Istanbul, Türkiye	6,358 mi	~13h 42m	Turkish Airlines	1-2/day
8	IAH to FCO Rome, Italy	5,670 mi	~12h 17m	ITA Airways	3×/wk
9	IAH to MUC Munich, Germany	5,405 mi	~11h 44m	United Airlines	1-2/day
10	IAH to FRA Frankfurt, Germany	5,220 mi	~11h 21m	Lufthansa, United Airlines	2/day
11	IAH to CPH Copenhagen, Denmark	5,172 mi	~11h 15m	Emirates	2×/wk
12	IAH to LGG Liege, Belgium	5,081 mi	~11h 4m	Qatar Airways	1/day
13	IAH to EZE Buenos Aires, Argentina	5,079 mi	~11h 4m	United Airlines	1/day
14	IAH to GIG Rio de Janeiro, Brazil	5,025 mi	~10h 57m	United Airlines	1/day
15	IAH to CDG Paris, France	5,015 mi	~10h 56m	Air France	1-2/day
16	IAH to AMS Amsterdam, Netherlands	5,002 mi	~10h 54m	United Airlines, KLM Royal Dutch Airlines	2-3/day
17	IAH to GRU Sao Paulo, Brazil	4,912 mi	~10h 43m	United Airlines	1/day
18	IAH to LHR London, United Kingdom	4,824 mi	~10h 32m	United Airlines, British Airways	3-4/day
19	IAH to HNL Honolulu, United States	3,897 mi	~8h 37m	United Airlines	1/day
20	IAH to ANC Anchorage, United States	3,261 mi	~7h 19m	United Airlines	1/day
21	IAH to LIM Lima, Peru	3,146 mi	~7h 4m	United Airlines	1/day
22	IAH to GEO Georgetown, Guyana	2,902 mi	~6h 34m	United Airlines	1/day
23	IAH to POS Port of Spain, Trinidad & Tobago	2,563 mi	~5h 52m	United Airlines	1/day
24	IAH to UIO Quito, Ecuador	2,362 mi	~5h 27m	United Airlines	1-2/day
25	IAH to BOG Bogota, Colombia	2,228 mi	~5h 11m	United Airlines	2/day