Cheap flights from Houston to London (LON)

IAH — LON
Oct 4 — Oct 111

The best prices from Houston to London are usually found in January or February, booked 51 days in advance, depart on a Tuesday or Wednesday and return on a Wednesday

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

All the information you need to plan the best HO1 to LON flight in 2022: compare Houston to London flight prices with the expected peak season, weather and rainfall in London.

IAH - LON

Price

$693 - $1,423

LON

Temperature

39.2 - 62.6 °F

LON

Rainfall

1.6 - 2.8 inches

Popular inAugustHigh demand for flights, 32% potential price rise
Cheapest inJanuaryBest time to find cheap flights, 29% potential price drop
Round-trip from$693From Houston to London (LON)
One-way from$164One-way flight from Houston to London (LON)

What is the cheapest day to fly round-trip from Houston to London?

Wednesday flights are generally found to be more expensive for flights from Houston to London. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to London.

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

Travelers have found it’s best to book a flight 52 days in advance to save up to 76% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 52 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Houston to London 1-2 weeks in advance for as low as $1,347, or $1,742 for flights within the next 24 hours.

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

January is one of the best times of the year to fly to London from Houston. Prices for January average $974 per person but you can even find prices for as low as $616. The most expensive prices can be found in the month of August. Opting for a January flight can save you 46% on your journey compared to booking in August

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

When flying from Houston 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 20% versus a flight at noon.

Cheap flights from Houston to London in September, October 2022

The best prices found for Houston to LON flights for September, October
Oct 19 - Nov 1
IAH

Houston George Bush Intcntl

LGW

London Gatwick

1 stop

16h 40m
LGW

London Gatwick

IAH

Houston George Bush Intcntl

1 stop

15h 55m
$537

Multiple Airlines

Pick Dates

Deal found 9/28/22

Oct 18 - Oct 26
IAH

Houston George Bush Intcntl

LGW

London Gatwick

1 stop

16h 20m
LGW

London Gatwick

IAH

Houston George Bush Intcntl

1 stop

16h 35m
$566

Multiple Airlines

Pick Dates

Deal found 9/26/22

Oct 25 - Oct 31
IAH

Houston George Bush Intcntl

LGW

London Gatwick

1 stop

16h 20m
LGW

London Gatwick

IAH

Houston George Bush Intcntl

1 stop

15h 59m
$567

Multiple Airlines

Pick Dates

Deal found 9/27/22

Houston to London 2022 flight deals

Cheap flights to London from Houston found for this year
Nov 30 - Dec 7
IAH

Houston George Bush Intcntl

LGW

London Gatwick

1 stop

17h 20m
LGW

London Gatwick

IAH

Houston George Bush Intcntl

1 stop

17h 22m
$446

Multiple Airlines

Pick Dates

Deal found 9/28/22

Nov 30 - Dec 7
IAH

Houston George Bush Intcntl

LGW

London Gatwick

1 stop

15h 55m
LGW

London Gatwick

IAH

Houston George Bush Intcntl

2 stops

20h 05m
$455

Multiple Airlines

Pick Dates

Deal found 9/28/22

Nov 29 - Dec 7
IAH

Houston George Bush Intcntl

LGW

London Gatwick

1 stop

15h 55m
LGW

London Gatwick

IAH

Houston George Bush Intcntl

2 stops

20h 05m
$460

Multiple Airlines

Pick Dates

Deal found 9/27/22

Cheap British Airways flights from Houston to London

Dec 1 - May 3
HOU

Houston Hobby

LHR

London Heathrow

1 stop

13h 36m
LHR

London Heathrow

HOU

Houston Hobby

2 stops

19h 09m
$829

British Airways

Pick Dates

Deal found 9/27/22

Feb 19 - Feb 28
HOU

Houston Hobby

LHR

London Heathrow

1 stop

29h 48m
LHR

London Heathrow

HOU

Houston Hobby

2 stops

30h 28m
$853

British Airways

Pick Dates

Deal found 9/27/22

Feb 19 - Feb 28
HOU

Houston Hobby

LGW

London Gatwick

2 stops

42h 28m
LGW

London Gatwick

HOU

Houston Hobby

2 stops

39h 23m
$857

British Airways

Pick Dates

Deal found 9/28/22

Cheap KLM flights from Houston to London

Jan 24 - Jan 31
HOU

Houston Hobby

LHR

London Heathrow

1 stop

14h 14m
LHR

London Heathrow

HOU

Houston Hobby

1 stop

15h 38m
$825

KLM

Pick Dates

Deal found 9/28/22

Jan 24 - Feb 2
HOU

Houston Hobby

LHR

London Heathrow

1 stop

11h 18m
LHR

London Heathrow

HOU

Houston Hobby

1 stop

15h 38m
$827

KLM

Pick Dates

Deal found 9/27/22

Dec 1 - May 3
HOU

Houston Hobby

LHR

London Heathrow

1 stop

13h 57m
LHR

London Heathrow

HOU

Houston Hobby

1 stop

17h 15m
$831

KLM

Pick Dates

Deal found 9/27/22

Non-stop flights to London from Houston

Save time with Houston to London direct flight deals
Mar 6 - Mar 14
IAH

Houston George Bush Intcntl

LHR

London Heathrow

Nonstop

8h 55m
LHR

London Heathrow

IAH

Houston George Bush Intcntl

Nonstop

10h 40m
$780

British Airways

Pick Dates

Deal found 9/28/22

Dec 1 - Dec 13
IAH

Houston George Bush Intcntl

LHR

London Heathrow

Nonstop

8h 55m
LHR

London Heathrow

IAH

Houston George Bush Intcntl

Nonstop

10h 40m
$784

Iberia

Pick Dates

Deal found 9/27/22

Feb 1 - Feb 28
IAH

Houston George Bush Intcntl

LHR

London Heathrow

Nonstop

9h 00m
LHR

London Heathrow

IAH

Houston George Bush Intcntl

Nonstop

10h 40m
$785

Iberia

Pick Dates

Deal found 9/28/22

Last minute flights from Houston to London

Late deals on return flights to London from Houston, departing today and this week
Oct 4 - Oct 27
IAH

Houston George Bush Intcntl

LGW

London Gatwick

1 stop

18h 35m
LGW

London Gatwick

IAH

Houston George Bush Intcntl

1 stop

16h 04m
$627

Multiple Airlines

Pick Dates

Deal found 9/27/22

Oct 5 - Oct 11
IAH

Houston George Bush Intcntl

LHR

London Heathrow

2 stops

27h 00m
LHR

London Heathrow

IAH

Houston George Bush Intcntl

1 stop

27h 22m
$753

Multiple Airlines

Pick Dates

Deal found 9/28/22

Oct 5 - Oct 11
IAH

Houston George Bush Intcntl

LHR

London Heathrow

3 stops

23h 59m
LHR

London Heathrow

IAH

Houston George Bush Intcntl

1 stop

27h 22m
$762

Multiple Airlines

Pick Dates

Deal found 9/28/22

One-way flights to London from Houston

The cheapest one-way flights from Houston to London
Nov 30
IAH

Houston George Bush Intcntl

LGW

London Gatwick

1 stop

17h 20m
$164

Multiple Airlines

Pick Dates

Deal found 9/27/22

Nov 16
IAH

Houston George Bush Intcntl

LGW

London Gatwick

1 stop

17h 20m
$167

Multiple Airlines

Pick Dates

Deal found 9/26/22

Nov 15
IAH

Houston George Bush Intcntl

LGW

London Gatwick

1 stop

17h 20m
$172

Multiple Airlines

Pick Dates

Deal found 9/27/22

Related info for your journey

Useful info, stats and facts about Houston to London flights.

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

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

Can I find flights from Houston to London for under $500 on Cheapflights?

Yes, there are multiple flights from Houston to London for under $500. The cheapest flight booked recently is on Multiple Airlines for just $446, but on average you can expect to pay $516.

Are there nonstop flights from Houston to London for under $800 on Cheapflights?

Cheapflights has at least 20 direct flights from Houston to London under $800. A good price for a nonstop flight from Houston to London is less than $803.

Are there last-minute flights available from Houston to London for under $700?

There are currently 20+ open flights from Houston to London within the next 7 days for less than $700.

What are the most popular routes from Houston to London?

The most popular route from Houston to London is Houston Hobby - London Heathrow. You may also consider Houston George Bush Intcntl - London Heathrow or Houston Hobby - London City.

What are the most popular airlines that fly from Houston to London?

The most popular airlines flying from Houston to London are American Airlines, Air Canada and Air France. Something to consider prior to booking your flight.

What are the most reliable airlines from Houston to London?

The top 3 most reliable airlines when flying from Houston to London are Air Canada (63%), Austrian Airlines (63%) and Brussels Airlines (63%).

What are the cheapest flights from Houston to London?

Looking at all options, your cheapest flight can be booked for $357. While the most popular route (Houston Hobby - London Heathrow) can be booked for $567 on average our data indicates $3,178 when flying from Houston to London.

Alternative routes for Houston to London

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

Top 10 airlines flying from Houston to London

The chart below displays the airlines Cheapflights users traveling from Houston to London choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-timeCOVID-19 safety
Juneyao AirlinesCheapest$13Average$21FlexibilityNo cancel feeOn-time66%COVID-19 safety
Search Juneyao Airlines flights
Air CanadaCheapest$602Average$1,388FlexibilityNo cancel feeOn-time67%COVID-19 safety
Search Air Canada flights
LufthansaCheapest$617Average$1,116FlexibilityNo cancel feeOn-time76%COVID-19 safety
Search Lufthansa flights
Air FranceCheapest$623Average$1,060FlexibilityNo cancel feeOn-time77%COVID-19 safety
Search Air France flights
IberiaCheapest$628Average$916FlexibilityNo cancel feeOn-time77%COVID-19 safety
Search Iberia flights
American AirlinesCheapest$639Average$1,172FlexibilityNo cancel feeOn-time71%COVID-19 safety
Search American Airlines flights
FinnairCheapest$655Average$970FlexibilityNo cancel feeOn-time76%COVID-19 safety
Search Finnair flights
DeltaCheapest$655Average$1,112FlexibilityNo cancel feeOn-timeN/ACOVID-19 safety
Search Delta flights
KLMCheapest$660Average$948FlexibilityNo cancel feeOn-time75%COVID-19 safety
Search KLM flights
Aer LingusCheapest$679Average$688FlexibilityNo cancel feeOn-timeN/ACOVID-19 safety
Search Aer Lingus flights

Hourly flight availability from Houston to London

See what time of day planes typically take off from Houston to London
1%of flight departuresEarly morningMidnight to 6 am
0%of flight departuresMorning6 am to noon
64%of flight departuresAfternoonNoon to 6 pm
35%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM