IAH → LHR
Cheap flights from Houston (IAH) to London (LHR)
FYAVO compares fares from trusted travel partners for flights from Houston to London. Pick a date to see live offers, then complete your booking on our partner's website.
Cheapest fares by date
| Date | Departs | Airline | Stops | Duration | Price | |
|---|---|---|---|---|---|---|
| Thu 29 Oct | 14:50 | WS | 1 | 13h 10m | $383 | See deals |
| Sun 15 Nov | 08:18 | F9 | 2 | 12h 29m | $382 | See deals |
| Fri 20 Nov | 21:58 | F9 | 2 | 15h 0m | $418 | See deals |
| Sat 21 Nov | 17:40 | B6 | 1 | 11h 3m | $382 | See deals |
| Sun 22 Nov | 17:40 | B6 | 1 | 10h 50m | $411 | See deals |
| Mon 23 Nov | 17:40 | B6 | 1 | 10h 50m | $309 | See deals |
| Tue 24 Nov | 17:40 | B6 | 1 | 10h 50m | $309 | See deals |
| Wed 25 Nov | 17:40 | B6 | 1 | 10h 50m | $309 | See deals |
| Thu 26 Nov | 11:10 | B6 | 1 | 11h 2m | $309 | See deals |
| Fri 27 Nov | 21:58 | F9 | 2 | 15h 0m | $401 | See deals |
| Sat 28 Nov | 09:33 | UA | 1 | 13h 10m | $484 | See deals |
| Sun 29 Nov | 09:39 | F9 | 3 | 14h 56m | $479 | See deals |
| Fri 11 Dec | 11:26 | B6 | 1 | 11h 0m | $407 | See deals |
Prices are cached partner fares, updated 21 Oct 2026, 13:02 UTC, and are confirmed on the partner's website.
Questions travellers ask
What is the cheapest flight from Houston to London?
The cheapest fare we found is $309 one way per adult, departing Mon 23 Nov with B6. Prices change often, so search live prices to confirm.
Are there direct flights from Houston to London?
Among the fares we found, every flight on this route has at least one stop. Search live prices to see today's options.
How long is the flight from Houston to London?
The quickest flight we found takes 10h 50m.
Which airlines fly from Houston to London?
Fares we found are on these airlines (IATA codes): WS, F9, B6, UA.
Does FYAVO charge a booking fee?
No. FYAVO is free: you compare prices here and book directly with the partner, paying the partner's own price.