Find Cheap Flights to London

Depart
Return
1 adult
Adults
18-64
Seniors
65+
Youths
12-17
Children
2-11
Seat Infants
under 2
Lap Infants
under 2
The price shown for each flight will be the average for all passengers including any infants.
Compare vs. KAYAK all | none
Browse Origins:
Browse Destinations:

Dates flexible? Here are the best fares found in the past 48 hours...

Book cheap flights from Houston George Bush Intcntl to London

(Round-trip)
Depart: Thu Sep 21 2017 Return: Wed Sep 27 2017 Trip spans 7 days
Turkish Airlines
Turkish Airlines
IAH
LGW
30h 20m
1 stop
LGW
IAH
32h 05m
1 stop
Depart: Mon Sep 18 2017 Return: Mon Oct 2 2017 Trip spans 15 days
British Airways
British Airways
IAH
LCY
24h 27m
2 stops
LCY
IAH
31h 56m
2 stops
Depart: Sat Jan 6 2018 Return: Sat Jan 13 2018 Trip spans 8 days
Major Airline
Major Airline
IAH
LGW
30h 45m
nonstop
LGW
IAH
36h 15m
nonstop
Depart: Fri Sep 8 2017 Return: Sun Sep 17 2017 Trip spans 10 days
WestJet
WestJet
IAH
LGW
21h 23m
1 stop
LGW
IAH
16h 45m
1 stop
Depart: Sun Dec 3 2017 Return: Mon Dec 11 2017 Trip spans 9 days
$1068
Select
TAP Portugal
TAP Portugal
IAH
LCY
25h 20m
2 stops
LCY
IAH
30h 34m
2 stops
Depart: Mon Oct 30 2017 Return: Tue Nov 7 2017 Trip spans 9 days
$1104
Select
Finnair
Finnair
IAH
LHR
9h 00m
nonstop
LHR
IAH
10h 25m
nonstop
Depart: Wed Nov 1 2017 Return: Tue Nov 14 2017 Trip spans 14 days
$1145
Select
Aer Lingus
Aer Lingus
IAH
LHR
17h 00m
2 stops
LHR
IAH
18h 08m
2 stops
Depart: Wed Oct 11 2017 Return: Tue Oct 17 2017 Trip spans 7 days
$1182
Select
SWISS
SWISS
IAH
LCY
25h 00m
2 stops
LCY
IAH
17h 36m
2 stops
Depart: Tue Dec 12 2017 Return: Tue Dec 19 2017 Trip spans 8 days
$1229
Select
Lufthansa
Lufthansa
IAH
LCY
16h 45m
1 stop
LCY
IAH
14h 15m
1 stop
Depart: Sun Nov 26 2017 Return: Sat Dec 2 2017 Trip spans 7 days
Turkish Airlines
Turkish Airlines
IAH
LGW
37h 10m
1 stop
LGW
IAH
32h 15m
1 stop
Depart: Thu Dec 21 2017 Return: Wed Jan 3 2018 Trip spans 14 days
$1648
Select
Delta
Delta
IAH
LCY
11h 10m
1 stop
LCY
IAH
16h 28m
2 stops
Depart: Sat Jul 22 2017 Return: Tue Aug 1 2017 Trip spans 11 days
$1752
Select
SAS
SAS
IAH
LHR
22h 10m
2 stops
LHR
IAH
32h 54m
2 stops
Depart: Tue Oct 24 2017 Return: Wed Nov 1 2017 Trip spans 9 days
Turkish Airlines
Turkish Airlines
IAH
LGW
30h 20m
1 stop
LGW
IAH
38h 40m
1 stop
Depart: Sun Oct 29 2017 Return: Fri Nov 10 2017 Trip spans 13 days
Turkish Airlines
Turkish Airlines
IAH
LHR
19h 40m
1 stop
LHR
IAH
31h 10m
1 stop
Depart: Thu Sep 7 2017 Return: Sat Sep 23 2017 Trip spans 17 days
$1008
Select
Major Airline
Major Airline
IAH
LGW
30h 20m
nonstop
LGW
IAH
38h 50m
nonstop
Depart: Tue Nov 21 2017 Return: Tue Nov 28 2017 Trip spans 8 days
$1083
Select
TAP Portugal
TAP Portugal
IAH
LCY
21h 40m
2 stops
LCY
IAH
30h 34m
2 stops
Depart: Tue Oct 24 2017 Return: Wed Nov 1 2017 Trip spans 9 days
Turkish Airlines
Turkish Airlines
IAH
LHR
37h 35m
1 stop
LHR
IAH
41h 00m
1 stop
Depart: Wed Nov 1 2017 Return: Tue Nov 14 2017 Trip spans 14 days
$1104
Select
Finnair
Finnair
IAH
LHR
9h 00m
nonstop
LHR
IAH
10h 25m
nonstop
Depart: Tue Dec 12 2017 Return: Tue Dec 19 2017 Trip spans 8 days
$1141
Select
British Airways
British Airways
IAH
LHR
9h 00m
nonstop
LHR
IAH
10h 25m
nonstop
Depart: Fri Dec 15 2017 Return: Mon Dec 18 2017 Trip spans 4 days
$1148
Select
Aer Lingus
Aer Lingus
IAH
LHR
17h 45m
2 stops
LHR
IAH
18h 03m
2 stops
Direct flights IAH to LON on American Airlines
Flight # Depart IAH Arrive LHR Sun Mon Tue Wed Thu Fri Sat Valid Between
6155 4:05 pm 7:25 am Jul 19 - Oct 27
6157 8:25 pm 11:45 am Jul 19 - Oct 27
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

We attempt to get accurate prices, however, prices are not guaranteed.

Here's why:

We’re not the seller.
At KAYAK we don’t set the prices, so it’s not possible for us to guarantee what other companies are selling.

We compile tonnes of data for you
Our service lets you quickly and easily compare results from hundreds of travel sites at once. In this sense, KAYAK is a search engine and we can't guarantee prices we find.

Why aren’t prices accurate 100% of the time?
Prices on airline seats, hotel rooms and car rentals can change frequently. Several people may also be trying to buy the same travel option simultaneously. As a result, you may find, on occasion, that certain prices are no longer available.

If you have more questions or if you have a bad price to report to us,
please send us an email and someone from our team will get back to you promptly.

Airports
Origin

Houston
$787
Destination

London
only $818
only $909
only $787
Airlines Airline reviews

10 travelers who booked a flight from Houston to London rated their chosen airlines with an average of 7.5.

Overall
7.6
Boarding
7.4
Crew
8.2
Comfort
7.4
Food
6.6
Entertainment
7.8