
Round-trip from | $799 (Netflights) |
|---|---|
One-way from | $367 (Kiwi.com) |
Popular in | July |
Cheapest in | January |
Average price | $1,122 |
Fly from
Fly to
Route
Depart
Return
Price
LondonHouston
LHR - HOU
LHRHOU
London Heathrow
Wed 1/14
8:20 am-4:12 pm
1 stop13h 52m
Houston Hobby
Wed 1/28
12:47 pm-6:50 am
1 stop12h 03m
LondonHouston
LHR - IAH
LHRIAH
London Heathrow
Wed 1/28
9:35 am-2:05 pm
Nonstop10h 30m
Houston George Bush Intcntl
Mon 2/2
6:10 pm-11:40 am
1 stop11h 30m
LondonHouston
LHR - HOU
LHRHOU
London Heathrow
Tue 1/13
10:05 am-6:06 pm
1 stop14h 01m
Houston Hobby
Tue 2/3
4:55 pm-10:00 am
1 stop11h 05m
LondonHouston
LHR - IAH
LHRIAH
London Heathrow
Tue 1/27
8:20 am-10:49 pm
1 stop20h 29m
Houston George Bush Intcntl
Mon 2/2
9:45 pm-12:45 pm
Nonstop9h 00m
LondonHouston
LHR - HOU
LHRHOU
London Heathrow
Mon 1/19
8:20 am-4:12 pm
1 stop13h 52m
Houston Hobby
Mon 2/2
6:36 pm-12:15 pm
1 stop11h 39m
LondonHouston
LHR - IAH
LHRIAH
London Heathrow
Tue 1/13
1:40 pm-11:11 am
3 stops27h 31m
Houston George Bush Intcntl
Tue 2/3
8:30 am-5:30 pm
3 stops27h 00m
LondonHouston
LHR - IAH
LHRIAH
London Heathrow
Fri 1/23
7:05 am-9:13 pm
3 stops20h 08m
Houston George Bush Intcntl
Sat 1/31
10:44 am-6:30 pm
2 stops25h 46m
LondonHouston
LHR - HOU
LHRHOU
London Heathrow
Sat 4/18
12:55 pm-8:02 pm
1 stop13h 07m
Houston Hobby
Tue 5/12
2:32 pm-8:05 am
1 stop11h 33m
LondonHouston
LHR - IAH
LHRIAH
London Heathrow
Wed 1/21
6:40 am-11:37 pm
2 stops22h 57m
Houston George Bush Intcntl
Wed 1/28
4:06 pm-9:35 pm
3 stops23h 29m
LondonHouston
LHR - IAH
LHRIAH
London Heathrow
Mon 2/23
7:05 am-9:13 pm
3 stops20h 08m
Houston George Bush Intcntl
Thu 2/26
9:54 am-4:00 pm
2 stops24h 06m
The best time to book flights from London to Houston is 80 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Currently, May is the cheapest month in which you can book a flight from London to Houston (average of $175). Flying from London to Houston in July is currently the most expensive (average of $842). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
When flying from London to Houston, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 24% versus a flight in the evening.
About 14% of weekly flights between London and Houston have experienced delays in the past year, with the average delay time being 162 minutes.
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.
Thursday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.
Over the last year, United Airlines have had the lowest number of delays on this route, with just 14% of flights being delayed.
Food
Overall
Comfort
Crew
Entertainment
Boarding
Reviews
Tim,Sep 2025
LHR - IAD
Food
Overall
Comfort
Crew
Entertainment
Boarding
Reviews
Tim,Sep 2025
LHR - IAD
Food
Overall
Comfort
Crew
Entertainment
Boarding
Reviews
Tim,Sep 2025
LHR - IAD
Food
Overall
Comfort
Crew
Entertainment
Boarding
Reviews
Tim,Sep 2025
LHR - IAD
Food
Overall
Comfort
Crew
Entertainment
Boarding
Reviews
Tim,Sep 2025
LHR - IAD
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$496 | Average$1,016 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$652 | Average$1,074 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$730 | Average$897 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$803 | Average$1,217 | FlexibilityNo cancel fee | On-time78% | |
| Cheapest$825 | Average$1,102 | FlexibilityNo cancel fee | On-time69% |