Check the IAH website for security wait times to ensure a smooth departure.
Round-trip from | $668 (Expedia) |
---|---|
One-way from | $260 (Kiwi.com) |
Popular in | June |
Cheapest in | October |
Average price | $1,230 |
Good round-trip deal | $708 or less |
Good one-way deal | $492 or less |
Fly from
Fly to
Route
Depart
Return
Price
HoustonLondon
IAH - LGW
IAHLGW
Houston George Bush Intcntl
Tue 8/19
5:45 am-10:00 am
1 stop22h 15m
London Gatwick
Thu 8/28
10:00 am-8:18 pm
1 stop16h 18m
HoustonLondon
IAH - LHR
IAHLHR
Houston George Bush Intcntl
Fri 8/1
11:51 am-6:40 am
1 stop12h 49m
London Heathrow
Fri 8/22
2:50 pm-7:15 pm
Nonstop10h 25m
HoustonLondon
IAH - LHR
IAHLHR
Houston George Bush Intcntl
Thu 8/14
8:15 pm-11:35 am
Nonstop9h 20m
London Heathrow
Thu 8/21
7:25 am-4:25 pm
1 stop15h 00m
HoustonLondon
IAH - LHR
IAHLHR
Houston George Bush Intcntl
Wed 8/13
10:00 am-10:00 am
1 stop18h 00m
London Heathrow
Wed 8/20
6:50 am-7:36 pm
2 stops18h 46m
HoustonLondon
IAH - LHR
IAHLHR
Houston George Bush Intcntl
Tue 7/22
3:30 pm-6:40 am
Nonstop9h 10m
London Heathrow
Tue 7/29
9:15 am-11:24 pm
1 stop20h 09m
HoustonLondon
IAH - LHR
IAHLHR
Houston George Bush Intcntl
Sun 8/3
6:45 am-6:55 pm
2 stops30h 10m
London Heathrow
Tue 8/19
8:50 am-5:00 am
2 stops26h 10m
HoustonLondon
IAH - LHR
IAHLHR
Houston George Bush Intcntl
Mon 8/18
3:16 pm-8:55 am
1 stop11h 39m
London Heathrow
Fri 8/22
11:30 am-11:56 pm
2 stops18h 26m
HoustonLondon
IAH - LGW
IAHLGW
Houston George Bush Intcntl
Fri 7/25
1:07 pm-10:00 am
2 stops38h 53m
London Gatwick
Fri 8/8
12:00 pm-11:51 pm
2 stops17h 51m
HoustonLondon
IAH - LCY
IAHLCY
Houston George Bush Intcntl
Wed 8/6
3:35 pm-6:35 pm
1 stop21h 00m
London City
Mon 8/18
5:00 pm-1:35 pm
1 stop26h 35m
HoustonLondon
IAH - LHR
IAHLHR
Houston George Bush Intcntl
Tue 9/30
12:00 pm-6:30 am
2 stops36h 30m
London Heathrow
Sat 10/11
12:40 pm-10:14 pm
2 stops39h 34m
Booking 33 days in advance of your planned departure date is, on average, the best time to get cheap flights from Houston George Bush Intcntl Airport to London. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Currently, November is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to London (average of $661). Flying from Houston George Bush Intcntl Airport to London in June is currently the most expensive (average of $1,098). 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 Houston George Bush Intcntl Airport to London, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 12% versus a flight in the evening.
Travelers seeking maximum savings on their Houston George Bush Intcntl Airport to London flight should consider departing on Saturday at noon when fares are most often at their lowest. Saturday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
The most flights from IAH to LON are scheduled on a Monday (22 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (17 on average).
Food
Crew
Entertainment
Overall
Boarding
Comfort
Reviews
Kim,May 2025
PIH - SLC
Food
Crew
Entertainment
Overall
Boarding
Comfort
Reviews
Kim,May 2025
PIH - SLC
Food
Crew
Entertainment
Overall
Boarding
Comfort
Reviews
Kim,May 2025
PIH - SLC
Food
Crew
Entertainment
Overall
Boarding
Comfort
Reviews
Kim,May 2025
PIH - SLC
Food
Crew
Entertainment
Overall
Boarding
Comfort
Reviews
Kim,May 2025
PIH - SLC
Food
Crew
Entertainment
Overall
Boarding
Comfort
Reviews
Kim,May 2025
PIH - SLC
Airline | Cheapest | Average | Flexibility | On-time |
---|---|---|---|---|
Cheapest$396 | Average$895 | FlexibilityNo cancel fee | On-timeN/A | |
Cheapest$574 | Average$734 | FlexibilityNo cancel fee | On-time67% | |
Cheapest$580 | Average$745 | FlexibilityNo cancel fee | On-time77% | |
Cheapest$581 | Average$739 | FlexibilityNo cancel fee | On-time76% | |
Cheapest$582 | Average$819 | FlexibilityNo cancel fee | On-time72% | |
Cheapest$589 | Average$770 | FlexibilityNo cancel fee | On-time71% | |
Cheapest$612 | Average$878 | FlexibilityNo cancel fee | On-time76% | |
Cheapest$615 | Average$912 | FlexibilityNo cancel fee | On-time69% | |
Cheapest$620 | Average$903 | FlexibilityNo cancel fee | On-time70% | |
Cheapest$1,125 | Average$1,343 | FlexibilityNo cancel fee | On-time78% |