
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $704 |
One-way from | $512 (Mytrip) |
Popular in | July |
Cheapest in | January |
Average price | $820 |
Good round-trip deal | $781 or less |
Good one-way deal | $721 or less |
Fly from
Fly to
Route
Depart
Return
Price
LondonHouston
LHR - IAH
LHRIAH
London Heathrow
Fri 2/6
9:30 am-6:15 pm
1 stop14h 45m
Houston George Bush Intcntl
Mon 2/9
1:35 pm-9:10 am
1 stop13h 35m
LondonHouston
LHR - IAH
LHRIAH
London Heathrow
Wed 2/11
12:35 pm-10:42 pm
1 stop16h 07m
Houston George Bush Intcntl
Wed 2/18
3:50 pm-6:50 am
Nonstop9h 00m
LondonHouston
LHR - IAH
LHRIAH
London Heathrow
Fri 3/13
12:05 pm-5:50 pm
Nonstop10h 45m
Houston George Bush Intcntl
Tue 3/17
5:20 pm-7:30 am
Nonstop9h 10m
LondonHouston
LHR - IAH
LHRIAH
London Heathrow
Thu 3/12
12:05 pm-5:50 pm
Nonstop10h 45m
Houston George Bush Intcntl
Thu 3/19
8:05 pm-10:15 am
Nonstop9h 10m
LondonHouston
LHR - IAH
LHRIAH
London Heathrow
Wed 2/11
12:05 pm-4:50 pm
Nonstop10h 45m
Houston George Bush Intcntl
Wed 2/18
7:05 pm-10:15 am
Nonstop9h 10m
LondonHouston
LHR - IAH
LHRIAH
London Heathrow
Fri 4/17
1:40 pm-6:05 pm
Nonstop10h 25m
Houston George Bush Intcntl
Sat 5/2
8:05 pm-11:35 am
Nonstop9h 30m
LondonHouston
LHR - IAH
LHRIAH
London Heathrow
Sat 4/11
4:25 pm-11:59 pm
1 stop13h 34m
Houston George Bush Intcntl
Mon 4/27
4:55 pm-12:15 pm
1 stop13h 20m
LondonHouston
LHR - IAH
LHRIAH
London Heathrow
Wed 4/15
10:05 am-5:23 pm
1 stop13h 18m
Houston George Bush Intcntl
Fri 5/1
7:58 pm-2:25 pm
1 stop12h 27m
LondonHouston
LHR - IAH
LHRIAH
London Heathrow
Thu 3/5
6:40 am-12:11 am
2 stops23h 31m
Houston George Bush Intcntl
Wed 3/18
4:00 pm-5:40 pm
2 stops20h 40m
LondonHouston
LHR - IAH
LHRIAH
London Heathrow
Mon 4/6
2:45 pm-7:15 pm
Nonstop10h 30m
Houston George Bush Intcntl
Thu 4/23
4:55 pm-12:15 pm
1 stop13h 20m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*2 stars | |
| Price Accuracy2 stars | Trust Score*2 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
Booking 57 days in advance of your planned departure date is, on average, the best time to get cheap flights from London Heathrow Airport to Houston George Bush Intcntl Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Currently, January is the cheapest month in which you can book a flight from London Heathrow Airport to Houston George Bush Intcntl Airport (average of $562). Flying from London Heathrow Airport to Houston George Bush Intcntl Airport in July is currently the most expensive (average of $903). 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 Heathrow Airport to Houston George Bush Intcntl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
About 14% of weekly flights between London and Houston have experienced delays in the past year, with the average delay time being 160 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 13% of flights being delayed.
Crew
Boarding
Food
Entertainment
Overall
Comfort
Reviews
Nate,Dec 2025
IAD - GSP
Crew
Boarding
Food
Entertainment
Overall
Comfort
Reviews
Nate,Dec 2025
IAD - GSP
Crew
Boarding
Food
Entertainment
Overall
Comfort
Reviews
Nate,Dec 2025
IAD - GSP
Crew
Boarding
Food
Entertainment
Overall
Comfort
Reviews
Nate,Dec 2025
IAD - GSP
Crew
Boarding
Food
Entertainment
Overall
Comfort
Reviews
Nate,Dec 2025
IAD - GSP
Crew
Boarding
Food
Entertainment
Overall
Comfort
Reviews
Nate,Dec 2025
IAD - GSP
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$577 | Average$1,074 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$695 | Average$1,193 | FlexibilityNo cancel fee | On-time78% | |
| Cheapest$780 | Average$1,102 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$782 | Average$996 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$785 | Average$1,085 | FlexibilityNo cancel fee | On-time71% |