Direct (non-stop) flights from Houston (IAH) to London (LHR)
Find comprehensive flight information, schedules, and booking details for direct flights from Houston (IAH), US to London (LHR), GB. This popular route is operated by 2 airlines, offering multiple daily departures.• Flight Duration: 9h 00m - 9h 30m (average flight time)• Distance: 4850 miles (7804 km) (air miles between airports)• Daily Flights: 3-4 flights (scheduled departures per day)
Houston (IAH)
US
London (LHR)
GB
FLIGHT TIME
9h 00m - 9h 30m
FLIGHT DISTANCE
4850 miles (7804 km)
9h 0m - 9h 10m
15:50
21:45
4850 miles (7804 km)
March
2 (Show)
25
Flight Schedule
December 2025
Airlines with direct flights from Houston (IAH) to London (LHR)
Route Insights
Duration variability: Flight duration on this route can vary based on aircraft type, wind conditions, and airline scheduling. Average duration is 9h 00m - 9h 30m.
Pricing patterns: March typically offers lower prices due to reduced demand outside peak travel seasons.
Best departure times: Peak departure times are 15:00, 16:00, 19:00, offering more flight options and potentially better connections.
Houston (IAH) - London (LHR) flight price statistics
$1105
ApproximateThe numbers are average prices found based on user searches for direct flights between the airports. It's calculated from the cheapest prices found per month for a round-trip with 1 adult and can vary depending on the amount of data we have for this particular route.
$1056
Jan$725
Feb$693
Mar$697
Apr$2044
May$1363
Jun$1343
Jul$1113
Aug$893
Sep$943
Oct$1022
Nov$1366
DecRelated Information
Airports: Houston (IAH) • London Airport (LHR)
Airlines operating this route: British Airways (BA), United Airlines
Frequently Asked Questions
How many flights operate from Houston (IAH) to London (LHR)?
There are 4 direct flights operating from Houston (IAH) to London (LHR). Approximately 3-4 flights daily.
Which airlines operate flights from Houston (IAH) to London (LHR)?
2 airlines operate on this route: British Airways, United Airlines.
How long is the flight from Houston (IAH) to London (LHR)?
The flight duration from Houston (IAH) to London (LHR) is approximately 9h 00m - 9h 30m.
What is the distance from Houston (IAH) to London (LHR)?
The distance from Houston (IAH) to London (LHR) is 4850 miles (7804 km).
What is the flight time range for this route?
Flight times on this route range from 9h 0m - 9h 10m.
What are the earliest and latest flight departure times?
The earliest flight departs at 15:50 and the latest flight departs at 21:45.
What is the cheapest month to fly from Houston (IAH) to London (LHR)?
March is typically the cheapest month to fly on this route.
How many flights operate per week on this route?
Approximately 25 flights operate per week from Houston (IAH) to London (LHR).
What types of aircraft operate on this route?
This route is served by Boeing 787-9, Boeing 777.
What is the average flight price from Houston (IAH) to London (LHR)?
The average flight price for a round-trip ticket from Houston (IAH) to London (LHR) is approximately $1105 USD. Prices can vary based on booking time, season, and airline.
When is the best time to book flights from Houston (IAH) to London (LHR) for the lowest prices?
March is typically the cheapest month to fly from Houston (IAH) to London (LHR). Booking in advance and avoiding peak travel seasons can help you find better deals.
How many airlines offer flights from Houston (IAH) to London (LHR)?
2 airlines offer direct flights from Houston (IAH) to London (LHR), providing travelers with multiple options for scheduling and pricing.
How far is London (LHR) from Houston (IAH)?
The distance from Houston (IAH) to London (LHR) is 4850 miles (7804 km). This is a long-haul flight route.
How long does it take to fly from Houston (IAH) to London (LHR)?
The flight time from Houston (IAH) to London (LHR) is approximately 9h 00m - 9h 30m. Actual flight duration may vary based on weather conditions, aircraft type, and routing.
What city does London (LHR) serve?
London (LHR) serves London, GB.