Heathrow's strict security can cause delays. Ensure all liquids are in one small bag to avoid manual screening delays.
Most accurate provider | Mytrip 3 stars |
---|---|
Most trusted provider | Mytrip 3 stars |
Round-trip from | $682 (Mytrip) |
One-way from | $349 (Kiwi.com) |
Popular in | August |
Cheapest in | February |
Average price | $998 |
Good round-trip deal | $676 or less |
Good one-way deal | $950 or less |
Fly from
Fly to
Route
Depart
Return
Price
LondonHouston
LHR - IAH
LHRIAH
London Heathrow
Wed 6/11
8:30 am-7:48 am
3 stops29h 18m
Houston George Bush Intcntl
Wed 6/18
6:17 pm-11:50 am
2 stops35h 33m
LondonHouston
LHR - IAH
LHRIAH
London Heathrow
Wed 5/28
8:25 am-6:03 pm
1 stop15h 38m
Houston George Bush Intcntl
Wed 7/23
3:30 pm-8:45 pm
2 stops23h 15m
LondonHouston
LHR - IAH
LHRIAH
London Heathrow
Fri 6/6
4:55 pm-7:25 pm
1 stop32h 30m
Houston George Bush Intcntl
Sun 6/15
4:22 pm-10:50 am
1 stop12h 28m
LondonHouston
LHR - IAH
LHRIAH
London Heathrow
Sat 6/7
8:30 am-5:50 pm
1 stop15h 20m
Houston George Bush Intcntl
Sat 6/21
7:52 pm-5:55 am
2 stops28h 03m
LondonHouston
LHR - IAH
LHRIAH
London Heathrow
Thu 9/4
9:25 am-1:40 pm
Nonstop10h 15m
Houston George Bush Intcntl
Wed 9/24
3:30 pm-6:40 am
Nonstop9h 10m
LondonHouston
LHR - IAH
LHRIAH
London Heathrow
Wed 9/10
6:50 am-7:42 pm
2 stops18h 52m
Houston George Bush Intcntl
Sun 9/28
10:00 am-6:30 am
1 stop14h 30m
LondonHouston
LHR - IAH
LHRIAH
London Heathrow
Fri 9/12
6:30 am-5:50 pm
1 stop17h 20m
Houston George Bush Intcntl
Sun 9/28
11:00 am-6:45 am
1 stop13h 45m
LondonHouston
LHR - IAH
LHRIAH
London Heathrow
Wed 9/10
6:00 am-7:10 pm
2 stops19h 10m
Houston George Bush Intcntl
Sat 9/27
11:55 am-10:40 am
2 stops40h 45m
LondonHouston
LHR - IAH
LHRIAH
London Heathrow
Tue 5/27
8:25 am-6:03 pm
1 stop15h 38m
Houston George Bush Intcntl
Mon 6/16
11:40 am-6:30 am
1 stop12h 50m
LondonHouston
LHR - IAH
LHRIAH
London Heathrow
Thu 9/4
6:40 am-11:54 pm
2 stops23h 14m
Houston George Bush Intcntl
Thu 9/18
1:15 pm-6:30 pm
2 stops23h 15m
Provider | Price Accuracy | Trust Score* |
---|---|---|
Price Accuracy1 star | Trust Score*3 stars | |
Price Accuracy3 stars | Trust Score*2 stars | |
Price Accuracy3 stars | Trust Score*2 stars | |
Price Accuracy3 stars | Trust Score*3 stars | |
Price Accuracy3 stars | Trust Score*2 stars | |
Price Accuracy3 stars | Trust Score*2 stars | |
Price Accuracy3 stars | Trust Score*3 stars | |
Price Accuracy3 stars | Trust Score*2 stars |
Booking 87 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, August is the cheapest month in which you can book a flight from London Heathrow Airport to Houston George Bush Intcntl Airport (average of $241). Flying from London Heathrow Airport to Houston George Bush Intcntl Airport in March is currently the most expensive (average of $339). 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.
It’s optimal to fly from London Heathrow Airport to Houston George Bush Intcntl Airport in the afternoon. By choosing this option you can save up to 21% on the cost of your flight, compared to a flight at noon.
The most flights from LHR to IAH are scheduled on a Monday (22 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (21 on average).
In terms of precipitation, rainfall in Houston George Bush Intcntl Airport ranges from 3.2 - 5.9 inches per month. June is typically the wettest month, when rainfall can reach 5.9 in. February is typically the driest time to visit Houston George Bush Intcntl Airport when rainfall is around 3.2 in.
If weather is an important factor for your trip to Houston George Bush Intcntl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 53.6 F).
Comfort
Boarding
Food
Crew
Entertainment
Overall
Reviews
Kim,May 2025
PIH - SLC
Comfort
Boarding
Food
Crew
Entertainment
Overall
Reviews
Kim,May 2025
PIH - SLC
Comfort
Boarding
Food
Crew
Entertainment
Overall
Reviews
Kim,May 2025
PIH - SLC
Comfort
Boarding
Food
Crew
Entertainment
Overall
Reviews
Kim,May 2025
PIH - SLC
Comfort
Boarding
Food
Crew
Entertainment
Overall
Reviews
Kim,May 2025
PIH - SLC
Comfort
Boarding
Food
Crew
Entertainment
Overall
Reviews
Kim,May 2025
PIH - SLC
Airline | Cheapest | Average | Flexibility | On-time |
---|---|---|---|---|
Cheapest$741 | Average$1,168 | FlexibilityNo cancel fee | On-time69% | |
Cheapest$768 | Average$991 | FlexibilityNo cancel fee | On-time70% | |
Cheapest$803 | Average$1,290 | FlexibilityNo cancel fee | On-time78% | |
Cheapest$830 | Average$1,072 | FlexibilityNo cancel fee | On-time76% |