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Cheap flights from Houston to London (IAH to LHR)

Looking for a cheap last-minute deal or the best round-trip flight from Houston to London? Find the biggest savings on one-way and round-trip tickets right here.

Good to know

Useful information for finding cheap flights from George Bush Intercontinental Houston to London Heathrow and booking your next trip

Cheapest Round Trip Flight

$1720

DL Delta Airlines • 1 stop • 33h 41m

Jun 27 – Jul 04

The cheapest round trip flight from George Bush Intercontinental Houston to London Heathrow is currently $1720

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Fastest Flight

27h 6m

The fastest nonstop flight from George Bush Intercontinental Houston to London Heathrow takes 27h 6m

Recent airfare deals on Houston to London

Jun 27 - Jul 04, Economy
DL
Houston → London
33h 41m
7:29 AM - 9:50 AM • 1 stop
DL
Houston → London
25h 24m
11:20 AM - 8:44 PM • 1 stop
$1720
Delta Airlines
Jun 27 - Jul 04, Economy
DL
Houston → London
27h 6m
11:24 AM - 9:50 AM • 1 stop
DL
Houston → London
23h 46m
9:20 AM - 5:46 PM • 1 stop
$1720
Delta Airlines
Jun 27 - Jul 04, Economy
DL
Houston → London
33h 41m
7:29 AM - 9:50 AM • 1 stop
DL
Houston → London
31h 44m
10:55 AM - 11:59 PM • 2 stops
$1725
Delta Airlines
Jun 27 - Jul 04, Economy
DL
Houston → London
27h 6m
11:24 AM - 9:50 AM • 1 stop
DL
Houston → London
43h 21m
4:05 PM - 12:06 PM • 2 stops
$1725
Delta Airlines

Facts to know while booking flights from Houston to London

What are the airports in Houston?
IAH
What’s the most popular airline flying from IAH to LHR?
The most popular airline flying from Houston to London are
Can I fly from IAH to LHR non-stop?
NO
Which airlines fly nonstop between Houston and London?
The non-stop flights between Houston and London are .
What’s the earliest departure time from IAH to LHR Airport?
The earliest flight leaves IAH at 7:29 am and lands in LHR - London Heathrow
What are the airports in London?
LHR
Can I make changes to my Houston to London flight tickets or cancel them on FareLeaders.com?
No. We are an airfare comparison site. All the tickets are booked by the travel agent offering the flight deal and any changes or cancellations to be made are directly done directly by them or the airlines.
Can I cancel my flight tickets from IAH to LHR?
Read the fare rules of the Houston to London air tickets booked. Some airlines allow you to cancel the tickets within a stipulated time period with a cancellation fee.
Which airline alliances offer flights from Houston and London?
operate flights between Houston and London
How long does a flight from Houston to London take?
It takes approximately 10 hour to fly non-stop from IAH to LHR, which is 4833.95 miles by air.
Which airlines provide the cheapest flights from Houston (IAH) to London (LHR) ?
In the past couple of days, the cheapest tickets to LHR from IAH were found on ('DL') : USD 1720
Do I need a passport to fly between IAH and LHR?
Yes
What’s the latest departure time from IAH to LHR ?
The last flight leaves IAH at 11:24 am

Flights from Houston to London

Origin Airport George Bush Intercontinental Houston , Houston, US
Destination Airport London Heathrow , London, GB
Distance miles

Popular Airlines

Delta Airline, DL

Popular Origin & Destination

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