Cheap flights from London to Houston

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Houston (IAH)
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The best prices from London to Houston are usually found in February or October, booked 50 days in advance, depart on a Tuesday or Thursday and return on a Monday

How to find the cheapest flight from
London (LON) to Houston (IAH)

All the information you need to plan the best LON to IAH flight in 2021: compare London to Houston flight prices with the expected peak season, weather and rainfall in Houston.
LON - IAH
Price
£431 - £724
IAH
Temperature
15 - 30 °C
IAH
Rainfall
0 - 1 mm

Popular in

July

High demand for flights, 27% potential price rise

Cheapest in

February

Best time to find cheap flights, 18% potential price drop

Round-trip from

£431

From London to Houston

One-way from

£221

One-way flight from London to Houston

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest day to fly return from London to Houston?

Flying to your destination on a Saturday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to Houston. Check prices with Cheapflights to find a great deal for your trip.

How far in advance should I book a flight from London to Houston?

Find a great deal and save up to 47% by booking at least 49 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from London to Houston within the next two weeks, with the cheapest ticket starting at £557.

What is the cheapest month to fly from London to Houston?

February can be a great time to fly to Houston from London with a flight ticket averaging about £540. Cheapflights users have found deals in the month of February for as cheap as £350. The most expensive prices can be found in the month of July.

When is the cheapest time to fly from London to Houston (LON - IAH)?

One of the essential ways to save on airfare from London to Houston is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight in the morning could potentially save you up to 17% on airfare.

Cheap flights from London to Houston in May, June 2021

The best prices found for LON to IAH flights in May, June
1 Jun - 8 Jun
£477pp
LHR
London Heathrow
Finnair
   
2 STOPS
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
Finnair
Direct
LHR
London Heathrow
24 May - 31 May
£480pp
LHR
London Heathrow
Finnair
 
1 STOP
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
Finnair
 
1 STOP
LHR
London Heathrow
5 Jun - 6 Jun
£482pp
LHR
London Heathrow
United Airlines
 
1 STOP
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
United Airlines
   
2 STOPS
LHR
London Heathrow

London to Houston 2021 flight deals

Cheap flights to Houston from London found for this year
1 Jun - 8 Jun
£477pp
LHR
London Heathrow
Finnair
   
2 STOPS
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
Finnair
Direct
LHR
London Heathrow
24 May - 31 May
£480pp
LHR
London Heathrow
Finnair
 
1 STOP
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
Finnair
 
1 STOP
LHR
London Heathrow
5 Jun - 6 Jun
£482pp
LHR
London Heathrow
United Airlines
 
1 STOP
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
United Airlines
   
2 STOPS
LHR
London Heathrow

Direct flights to Houston from London

Save time with London to Houston direct flight deals
1 Nov - 8 Nov
£656pp
LHR
London Heathrow
Austrian Airlines
Direct
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
Austrian Airlines
Direct
LHR
London Heathrow
1 Nov - 8 Nov
£700pp
LHR
London Heathrow
Finnair
Direct
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
Finnair
Direct
LHR
London Heathrow
1 Nov - 8 Nov
£709pp
LHR
London Heathrow
Finnair
Direct
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
Finnair
Direct
LHR
London Heathrow

Last-minute flights from London to Houston

Late deals on return flights to Houston from London, departing today and this week
20 May - 23 May
£501pp
LHR
London Heathrow
Virgin Atlantic
   
2 STOPS
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
Virgin Atlantic
 
1 STOP
LHR
London Heathrow
19 May - 2 Jun
£507pp
LHR
London Heathrow
Virgin Atlantic
 
1 STOP
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
Virgin Atlantic
   
2 STOPS
LHR
London Heathrow
22 May - 2 Jun
£509pp
LHR
London Heathrow
Finnair
 
1 STOP
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
Finnair
 
1 STOP
LHR
London Heathrow

One-way flights to Houston from London

The cheapest one-way flights from London to Houston
04:25 - 13:40
Multiple Airlines
2 stops
39h 15m
STN - IAH
Multiple Airlines
£221
Kiwi.com
13:25 - 13:40
Multiple Airlines
2 stops
30h 15m
LGW - IAH
Multiple Airlines
£257
Kiwi.com
16:05 - 13:25
Multiple Airlines
2 stops
27h 20m
LGW - IAH
Multiple Airlines
£268
Kiwi.com

Related info for your journey

Useful info, stats and facts about <span class="emphasized">London</span> to <span class="emphasized">Houston</span> flights.

Flight FAQs

From London to Houston

Are flight prices decreasing from London to Houston due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both London and Houston for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

Which airlines flying from London to Houston George Bush Intcntl have flexible cancellations due to COVID-19?

Some of the carriers operating flights from London to Houston George Bush Intcntl that may be offering flexible cancellation policies are United Airlines, Finnair, and British Airways. Our site will let you filter for all airlines offering greater flexibility due to COVID-19.

What airport do you fly into for flights to Houston from London?

Houston George Bush Intcntl (IAH) is the airport you will fly into if you book a flight from London to Houston. You should not have trouble finding flights to George Bush Intcntl from London; the airport handles an average of 0 inbound flights from London per day. You should also have plenty of airline options to choose from since 14 airlines have flights to the Houston airport from London. It is only a 15.9 mi journey from George Bush Intcntl (IAH) to Houston’s city centre.

Can I find flights from London to Houston for under £495 on Cheapflights?

Yes, there are multiple flights from London to Houston for under £495. The cheapest flight booked recently is on Finnair for just £477, but on average you can expect to pay £511.

Are there direct flights from London to Houston for under £707 on Cheapflights?

Cheapflights has 20 direct flights from London to Houston under £707. A good price for a direct flight from London to Houston is less than £766.

Are there last-minute flights available from London to Houston for under £566?

There are currently 20+ open flights from London to Houston within the next 7 days for less than £566.

Is London weather warmer or cooler than Houston?

With an average temperature of 30 °C, peak weather can be found in August. As a traveller, expect to see changes in flight prices during that period. The temperatures in Houston are hotter than in London.

How long does is the flight from London to Houston?

A quick flight from London to Houston can take about 12h 40m. Virgin Atlantic provides one of the quickest options available for as low as £508. Both multi-stop and direct flights can be found to your destination and back.

What are the cheapest airlines to flying from London to Houston return?

Our cheapest airline available from London to Houston is Finnair. Our recent data shows that you can find tickets from as low as £478 on this airline. Additional options worth looking into are United Airlines and Virgin Atlantic, starting at £483 and £501 round-trip. Finnair is currently priced 9% below the average price you’ll pay for this route.

Alternative routes for London to Houston

See prices for flight routes from nearby airports that may be better suited for you.

Destination information for Houston

Things to know before you go - useful duration and weather info for your trip from London to Houston.
Today's exchange rate
£1 = $1.42
Average temperature for May in Houston
25.0 °C

Airports servicing London

Gatwick (LGW)
City (LCY)
Stansted (STN)
Luton (LTN)
Southend (SEN)

Airports servicing Houston

Top 10 airlines flying from London to Houston

The chart below displays the airlines Cheapflights users travelling from London to Houston choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
Virgin Atlantic
£352 £672 No cancel fee 72%
Search Virgin Atlantic flights
KLM
£426 £692 No cancel fee 75%
Search KLM flights
Brussels Airlines
£467 £728 No cancel fee N/A
Search Brussels Airlines flights
Delta
£349 £730 No cancel fee N/A
Search Delta flights
Air France
£448 £737 No cancel fee 77%
Search Air France flights
Finnair
£480 £755 No cancel fee 76%
Search Finnair flights
Austrian Airlines
£344 £755 No cancel fee 78%
Search Austrian Airlines flights
Lufthansa
£421 £761 No cancel fee 76%
Search Lufthansa flights
Air Canada
£390 £784 No cancel fee 67%
Search Air Canada flights
WestJet
£702 £791 No cancel fee 60%
Search WestJet flights

Hourly flight availability from London to Houston

See what time of day planes typically take off from London towards Houston.
Morning 6 AM to midday 100% of flight departures
Early morning Midnight to 6 AM 0% of flight departures
Afternoon Midday to 6 PM 0% of flight departures
Evening 6 PM to midnight 0% of flight departures
Midnight
6 AM
Noon
6 PM
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