Cheap flights from Houston to London from $928 HOU, IAH → LCY, LGW, LHR, LTN, STN
William P. Hobby Airport (HOU), George Bush Intercontinental Airport (IAH) → London City Airport (LCY), London Gatwick Airport (LGW), London Heathrow Airport (LHR), London Luton Airport (LTN), Stansted Airport (STN)
The cheapest return found recently is $928 with Frontier Airlines, 22 Dec – 12 Jan 2027, found 2 days ago.
- Cheapest return found recently
- $928, 22 Dec to 12 Jan 2027
- Usual return price
- $941 to $1,077
- Cheapest month to fly
- February 2027, return fares from $879 found in the last 7 days
- Airlines with nonstop flights
- British Airways, United Airlines
Return
The cheapest return fare on each of 6 departure dates is usually $941 to $1,077.
Cheapest return found recently
$928
22 Dec – 12 Jan 2027 · Frontier Airlines
George Bush Intercontinental Airport (IAH) → London Gatwick Airport (LGW)
Leaves 7:50 p.m. · Return leaves 9:35 a.m. · 82 h 47 min of travel, both ways together
out 2 stops, back 1 stop
found 2 days ago
Cheapest nonstop return
$1,027
14 Feb 2027 – 7 Mar 2027 · Finnair
George Bush Intercontinental Airport (IAH) → London Heathrow Airport (LHR)
Leaves 3:50 p.m. · Return leaves 8:05 p.m. · 19 h 30 min of travel, both ways together
out nonstop, back nonstop
found 5 days ago
Found recently, and the cheapest we hold
$928 22 Dec – 12 Jan 2027found 2 days agoSee prices for these dates
$879 14 Feb 2027 – 7 Mar 2027found 5 days agoSee prices for these dates
What have prices looked like?
Over 49 days, 24 Sept to 11 Nov, the cheapest return we saw each day was $470 to $1,037.
Those were the prices on those days, not today's.
Is this a good return price?
Compared with the cheapest return fare on each of 6 departure dates from 16 Nov to 14 Feb 2027, found by travelers' searches in the last 7 days (economy, the price the seller showed on Aviasales). The usual range is the middle half of those prices.
Could nearby dates be cheaper?
We hold no other 21-night return fares leaving within 3 days of 22 Dec to compare.
Every date we hold
39 fares on 6 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 16 Nov – 21 Nov | $980 | jetBlue | George Bush Intercontinental Airport (IAH) → London Heathrow Airport (LHR) | out 1 stop, back 1 stop | found 4 days ago | See prices for these dates |
| 19 Dec – 12 Jan 2027 | $1,258 | United Airlines | George Bush Intercontinental Airport (IAH) → London Heathrow Airport (LHR) | out 1 stop, back 1 stop | found 2 days ago | See prices for these dates |
| 21 Dec – 12 Jan 2027 | $1,070 | Frontier Airlines | George Bush Intercontinental Airport (IAH) → London Gatwick Airport (LGW) | out 2 stops, back 1 stop | found 2 days ago | See prices for these dates |
| 22 Dec – 12 Jan 2027 | $928 | Frontier Airlines | George Bush Intercontinental Airport (IAH) → London Gatwick Airport (LGW) | out 2 stops, back 1 stop | found 2 days ago | See prices for these dates |
| 26 Dec – 12 Jan 2027 | $1,079 | United Airlines | George Bush Intercontinental Airport (IAH) → London Heathrow Airport (LHR) | out 1 stop, back 1 stop | found 2 days ago | See prices for these dates |
| 14 Feb 2027 – 7 Mar 2027 | $879 | Air France | George Bush Intercontinental Airport (IAH) → Stansted Airport (STN) | out 2 stops, back 2 stops | found 5 days ago | See prices for these dates |
Which month looks cheapest?
February 2027 is the cheapest month — from $879.
Airlines on the cheapest dates: United Airlines, Frontier Airlines, jetBlue, Air France.
Premium cabin fares from Houston to London
We hold no premium economy, business or first-class fares for this route: we collect them for the busiest routes, and this one is not among them yet.
Today's prices for 22 Dec – 12 Jan 2027 in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for Houston to London?
Return
Fares 30 to 59 days before departure were typically 16% lower than 0 to 6 days before departure.
From the cheapest return each day between 24 Sept and 11 Nov (49 days), grouped by how many days ahead the flight left; one adult in economy.
Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.
Prices reflect recent searches — current fares may differ.
See these ranges as a table
| Booked ahead by | Typical fare | Cheapest day | Above the cheapest | Days of prices |
|---|---|---|---|---|
| 0–6 days | $921 | $921 | +20% | 10 |
| 7–13 days | $942 | $942 | +22% | 13 |
| 14–29 days | $866 | $684 | +12% | 21 |
| 30–59 days | $771 | $735 | Cheapest seen | 31 |
| 60–89 days | $1,037 | $845 | +35% | 15 |
| 90–179 days | $945 | $879 | +23% | 12 |
| 180+ days | $996 | $470 | +29% | 33 |
Live price for these dates
The cheapest return found recently is for 22 Dec – 12 Jan 2027. A live search on this page shows what those dates cost now, for one adult in economy.
Questions about this trip
How much is a return flight from Houston to London?
The cheapest return found recently is $928 with Frontier Airlines, 22 Dec to 12 Jan 2027, found 2 days ago. The cheapest return we hold, of any age, is $879 with Air France, 14 Feb 2027 to 7 Mar 2027, found 5 days ago. The cheapest return fare on each of 6 departure dates is usually $941 to $1,077.
What is the cheapest month to fly from Houston to London?
February 2027 is the cheapest month for a return, from $879, 14 Feb 2027 to 7 Mar 2027, found 5 days ago.
How far ahead should I book a flight from Houston to London?
In 49 days of prices between 24 Sept and 11 Nov, return fares 30 to 59 days before departure were typically 16% lower than 0 to 6 days before departure.
Is there a direct flight from Houston to London?
Yes, the cheapest nonstop return found recently is $1,027 with Finnair, 14 Feb 2027 to 7 Mar 2027, found 5 days ago.
Which airlines have the cheapest flights from Houston to London?
Between 16 Nov and 14 Feb 2027, United Airlines has the cheapest return on 2 of the 6 departure dates we hold, Frontier Airlines on 2 and jetBlue on 1.
Prices are what travelers' searches on Aviasales found in the last 7 days, in US dollars: the price the seller showed on Aviasales; bags may cost extra. Fares change, so check today's price before you book. How our prices work