
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $953 (oojo) |
One-way from | $516 (United Airlines) |
Popular in | June |
Cheapest in | September |
Average price | $1,403 |
Good round-trip deal | $1,054 or less |
Good one-way deal | $514 or less |
Fly from
Fly to
Route
Depart
Return
HoustonLondon
IAH - LTN
IAHLTN
Houston George Bush Intcntl
Mon 9/14
10:00 am-12:20 pm
2 stops20h 20m
London Luton
Mon 9/21
12:45 pm-1:35 pm
2 stops30h 50m
HoustonLondon
IAH - LGW
IAHLGW
Houston George Bush Intcntl
Wed 8/5
3:55 pm-9:25 am
1 stop11h 30m
London Gatwick
Mon 8/17
10:25 am-11:52 pm
2 stops19h 27m
HoustonLondon
IAH - LGW
IAHLGW
Houston George Bush Intcntl
Tue 8/4
3:55 pm-9:25 am
1 stop11h 30m
London Gatwick
Fri 8/14
5:00 pm-1:40 pm
1 stop26h 40m
HoustonLondon
IAH - LTN
IAHLTN
Houston George Bush Intcntl
Thu 9/24
12:00 pm-2:05 pm
2 stops20h 05m
London Luton
Mon 9/28
7:55 am-9:52 pm
2 stops19h 57m
HoustonLondon
IAH - LHR
IAHLHR
Houston George Bush Intcntl
Thu 7/16
5:25 pm-1:20 pm
1 stop37h 55m
London Heathrow
Fri 8/14
6:55 am-4:30 pm
1 stop15h 35m
HoustonLondon
IAH - LHR
IAHLHR
Houston George Bush Intcntl
Sun 11/1
7:00 pm-10:15 am
Nonstop9h 15m
London Heathrow
Sat 11/7
10:00 am-2:40 pm
Nonstop10h 40m
HoustonLondon
IAH - LCY
IAHLCY
Houston George Bush Intcntl
Sun 8/2
5:30 am-7:15 am
2 stops19h 45m
London City
Mon 8/17
7:45 am-9:36 pm
2 stops19h 51m
HoustonLondon
IAH - LGW
IAHLGW
Houston George Bush Intcntl
Sun 11/1
10:00 pm-4:30 pm
1 stop36h 30m
London Gatwick
Sat 11/7
10:05 am-7:05 pm
1 stop39h 00m
HoustonLondon
IAH - LHR
IAHLHR
Houston George Bush Intcntl
Mon 8/24
2:37 pm-4:25 pm
3 stops19h 48m
London Heathrow
Mon 8/31
7:05 am-10:40 pm
3 stops21h 35m
HoustonLondon
IAH - LGW
IAHLGW
Houston George Bush Intcntl
Mon 10/5
2:38 pm-4:00 pm
2 stops19h 22m
London Gatwick
Wed 10/14
5:00 pm-11:42 am
2 stops24h 42m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*1 star | |
| Price Accuracy- | Trust Score*1 star |
Currently, September is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to London (average of $101). Flying from Houston George Bush Intcntl Airport to London in June is currently the most expensive (average of $631). 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 decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
The most flights from IAH to LON are scheduled on a Monday (22 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (17 on average).
Boston (BOS) – chosen by Cheapflights users on 50% of 1-stop itineraries from Houston George Bush Intcntl Airport to London on Cheapflights.
Boston (BOS) is the most affordable 1-stop option, with an average round-trip price of $872.
Flights via Boston (BOS) have the shortest average one-way travel time for 1-stop routes: 12h 38m.
Flights via Toronto (YYZ) offer the fastest connection on this route, with an average layover time of 8h 58m.
About 23% of weekly flights between Houston and London have experienced delays in the past year, with the average delay time being 149 minutes.
Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.
Saturday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.
Over the last year, British Airways have had the lowest number of delays on this route, with just 18% of flights being delayed.
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.
Overall
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Edwin,May 2026
LHR - LAX
Overall
Crew
Food
Boarding
Entertainment
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Edwin,May 2026
LHR - LAX
Overall
Crew
Food
Boarding
Entertainment
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Reviews
Edwin,May 2026
LHR - LAX
Overall
Crew
Food
Boarding
Entertainment
Comfort
Reviews
Edwin,May 2026
LHR - LAX
Overall
Crew
Food
Boarding
Entertainment
Comfort
Reviews
Edwin,May 2026
LHR - LAX
Overall
Crew
Food
Boarding
Entertainment
Comfort
Reviews
Edwin,May 2026
LHR - LAX
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$101 | Average$783 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$499 | Average$690 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$521 | Average$892 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$523 | Average$873 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$535 | Average$846 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$557 | Average$794 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$572 | Average$915 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$613 | Average$771 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$629 | Average$822 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$697 | Average$988 | FlexibilityNo cancel fee | On-time76% |