Direct flights from Houston to London IAH → LHR

British Airways and United Airlines fly nonstop from Houston (IAH) to London (LHR), several times daily. The flight takes about 10h 27m and covers 4,824 miles (7,763 km). Round-trip fares typically run around $1003, with recent bookable fares from $902. Arrivals run on time 78.1% at IAH (BTS) and 97.0% at LHR (Eurocontrol) — the last three months, counting arrivals within 15 minutes of schedule. Fares last checked 30 August 2026.

60-day flexibility overview based on 852 recent fares across the next 60 days

Cheapest
$900
Typical
$1,003
Most expensive
$1,747

What flexibility is worth here

Flying in October rather than December typically saves $128 on IAH → LHR.

  • Sep 2026 $1071
  • Oct 2026 $953
  • Nov 2026 $953
  • Dec 2026 $1081
  • Jan 2027 $961
  • Feb 2027 $961
  • Mar 2027 $1009

Typical round-trip fare by departure month, across the 7 months we currently track.

Most people pick dates first and see the price second. We watch every date combination on this route and tell you when a good one gets cheap. Watch IAH → LHR →

Cheapest combos

United Best
Tue Oct 13 16:35 → 07:55
Tue Oct 27 12:05 → 17:40 14 nights
$902 Book →
British Airways
Wed Oct 21 15:30 → 06:40
Wed Nov 4 09:35 → 14:05 14 nights
$902 Book →
United
Wed Oct 21 16:25 → 07:45
Wed Nov 4 10:00 → 14:40 14 nights
$902 Book →

Prices last updated 1 day ago. Fares change frequently — check the airline for current pricing.

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British Airways BA United Airlines UA

Nonstop departures observed in recent fares

Across 158 recent dates we priced, Houston (IAH) to London (LHR) showed up to 4 nonstop departures a day, with the earliest around 15:30 and the latest around 22:40, operated by United and British Airways.

15:30 15:40 15:50 16:25 16:30 16:35 16:40 16:50 17:25 17:35 17:40 19:00 19:05 20:00

Departure times seen while pricing this route over the last few weeks — a sample, not the full timetable. Airlines adjust schedules seasonally.

More nonstops from Houston

IAH → DFW Dallas-Fort Worth 9 airlines IAH → AUS Austin 6 airlines IAH → CLT Charlotte 6 airlines IAH → LAX Los Angeles 6 airlines IAH → ORD Chicago 6 airlines IAH → ATL Atlanta 5 airlines IAH → DTW Detroit 5 airlines IAH → MSY New Orleans 5 airlines

Frequently asked questions

Is there a direct flight from Houston to London?

Yes, British Airways and United Airlines operate nonstop flights from Houston (IAH) to London (LHR).

Which airlines fly direct from Houston to London?

British Airways, United Airlines operate nonstop flights from Houston to London.

How long is the flight from Houston to London?

The nonstop flight from Houston to London takes ~10h 27m (approximately 7763 km).

How often do direct flights operate from Houston to London?

Nonstop flights from Houston to London operate multiple daily.

What is the on-time performance for flights from Houston to London?

Arrivals run on time 78.1% at IAH (BTS) and 97.0% at LHR (Eurocontrol) — the last three months, counting arrivals within 15 minutes of schedule.

How much is a round-trip flight from Houston to London?

Round-trip flights from Houston (IAH) to London (LHR) start at $900, with a typical fare around $1003. Based on 852 recent fare combinations.

What is the cheapest month to fly from Houston to London?

Across the 7 departure months we currently track, October 2026 is the cheapest month to fly round trip from Houston to London, with typical fares around $953 — versus about $1081 in December 2026, the most expensive.

Explore More

IAH All direct flights from Houston LHR All direct flights from London LHR → IAH Return: London to Houston

Scout — our search agent — priced 793 fares on this route in the past week, cheapest $902 round trip. It hunts nonstop fares from Houston every night and pings you when one's worth booking.

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