Cheap Flights from Heathrow to Houston from £239

How to find the cheapest flight from
Heathrow (LHR) to Houston (IAH)

All the information you need to plan the best LHR to IAH flight in 2021: compare Heathrow to Houston flight prices with the expected peak season, weather and rainfall in Houston.

LHR - HO1 Price	£426 - £870
HO1 Temperature	12 - 29 °C
HO1 Precipitation	81 - 150 mm

Popular in August High demand for flights, 35% potential price rise
Cheapest in February Best time to find cheap flights, 24% potential price drop
Round-trip from 426₽ From London Heathrow to Houston
One-way from £239 One-way flight from London Heathrow to Houston

Popular in

August

High demand for flights, 35% potential price rise

Cheapest in

February

Best time to find cheap flights, 24% potential price drop

Round-trip from

426₽

From London Heathrow to Houston

One-way from

£239

One-way flight from London Heathrow to Houston

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.

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

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 49 days in advance, which can save you up to 47% on flights from London Heathrow Airport to Houston compared to booking the week you need them. Waiting 49 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at £577. For sooner than that we have options available in the next 3 days from £729.

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

Due to multiple factors, expect to potentially pay more when booking in July. For low rates, February can be a great choice for travel to Houston. Flights to Houston from London Heathrow Airport in February are about £558 on average during February, but can be found for as low as £362.

When is the cheapest time to fly from London Heathrow Airport to Houston (LHR - HO1)?

When flying from London Heathrow Airport to Houston, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Cheap flights from Heathrow to Houston in September, October 2021

The best prices found for LHR to IAH flights in September, October

30 Oct - 31 Oct

£375pp

LHR

London Heathrow

United Airlines

1 STOP

IAH

Houston George Bush Intcntl

IAH

Houston George Bush Intcntl

United Airlines

1 STOP

LHR

London Heathrow

27 Oct - 8 Nov

£381pp

LHR

London Heathrow

Multiple airlines

2 STOPS

IAH

Houston George Bush Intcntl

IAH

Houston George Bush Intcntl

Multiple Airlines

2 STOPS

LHR

London Heathrow

30 Oct - 31 Oct

£403pp

LHR

London Heathrow

United Airlines

1 STOP

IAH

Houston George Bush Intcntl

IAH

Houston George Bush Intcntl

United Airlines

Direct

LHR

London Heathrow

London Heathrow to Houston 2021 flight deals

Cheap flights to Houston from Heathrow found for this year

17 Nov - 8 Dec

£369pp

LHR

London Heathrow

Multiple airlines

2 STOPS

IAH

Houston George Bush Intcntl

IAH

Houston George Bush Intcntl

Multiple Airlines

2 STOPS

LHR

London Heathrow

30 Oct - 31 Oct

£375pp

LHR

London Heathrow

United Airlines

1 STOP

IAH

Houston George Bush Intcntl

IAH

Houston George Bush Intcntl

United Airlines

1 STOP

LHR

London Heathrow

20 Nov - 20 Nov

£375pp

LHR

London Heathrow

United Airlines

1 STOP

IAH

Houston George Bush Intcntl

IAH

Houston George Bush Intcntl

United Airlines

1 STOP

LHR

London Heathrow

Direct flights to Houston from Heathrow

Save time with Heathrow to Houston direct flight deals

1 Feb - 22 Mar

£628pp

LHR

London Heathrow

Brussels Airlines

Direct

IAH

Houston George Bush Intcntl

IAH

Houston George Bush Intcntl

Brussels Airlines

Direct

LHR

London Heathrow

1 Mar - 7 Mar

£631pp

LHR

London Heathrow

Brussels Airlines

Direct

IAH

Houston George Bush Intcntl

IAH

Houston George Bush Intcntl

Brussels Airlines

Direct

LHR

London Heathrow

16 Mar - 30 Mar

£633pp

LHR

London Heathrow

Brussels Airlines

Direct

IAH

Houston George Bush Intcntl

IAH

Houston George Bush Intcntl

Brussels Airlines

Direct

LHR

London Heathrow

Last-minute flights from Heathrow to Houston

Late deals on return flights to Houston from Heathrow, departing today and this week

1 Oct - 15 Oct

£468pp

LHR

London Heathrow

Multiple airlines

3 STOPS

IAH

Houston George Bush Intcntl

IAH

Houston George Bush Intcntl

Multiple Airlines

3 STOPS

LHR

London Heathrow

1 Oct - 15 Oct

£476pp

LHR

London Heathrow

Multiple airlines

3 STOPS

IAH

Houston George Bush Intcntl

IAH

Houston George Bush Intcntl

Multiple Airlines

2 STOPS

LHR

London Heathrow

30 Sep - 3 Oct

£554pp

LHR

London Heathrow

Multiple airlines

3 STOPS

IAH

Houston George Bush Intcntl

IAH

Houston George Bush Intcntl

Multiple Airlines

2 STOPS

LHR

London Heathrow

One-way flights to Houston from London Heathrow

The cheapest one-way flights from Heathrow to Houston

06:25 - 14:23

Multiple Airlines

1 stop

13h 58m

LHR - IAH

£319

Gotogate

16:20 - 13:10

Multiple Airlines

2 stops

49h 50m

LHR - IAH

£239

Combigo

08:40 - 12:10

Multiple Airlines

2 stops

33h 30m

LHR - IAH

£356

Gotogate

Related info for your journey

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

Flight FAQs

From Heathrow to Houston

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

Due to the rapidly changing circumstances due to COVID-19, airlines like United Airlines, Finnair, and British Airways flying from London Heathrow to Houston have implemented new flexible cancellation policies.

Are flight prices decreasing from London Heathrow Airport 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 Heathrow Airport 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.

Can I find flights from London Heathrow Airport to Houston for under £400 on Cheapflights?

Yes, there are multiple flights from London Heathrow Airport to Houston for under £400. The cheapest flight booked recently is on Multiple Airlines for just £369, but on average you can expect to pay £405.

Are there direct flights from London Heathrow Airport to Houston for under £700 on Cheapflights?

Cheapflights has 20 direct flights from London Heathrow Airport to Houston under £700. A good price for a direct flight from London Heathrow Airport to Houston is less than £647.

Are there last-minute flights available from London Heathrow Airport to Houston for under £500?

There are currently 20+ open flights from London Heathrow Airport to Houston within the next 7 days for less than £500.

What is the cheapest airline to fly from London Heathrow Airport to Houston return?

Flying on United Airlines is currently your cheapest option to Houston, with prices starting at £375. United Airlines is priced at 33% lower than the current average price of a flight leaving 3 months from now.

What are the most reliable airlines from London Heathrow Airport to Houston?

Consider American Airlines (81%), Aer Lingus (81%) or Finnair (81%) when booking your flight. These represent the most reliable airlines when flying from London Heathrow Airport to Houston.

What are the cheapest flights from London Heathrow Airport to Houston?

The cheapest flight price from London Heathrow Airport to Houston is £313. On average you can expect to pay £1,638. The most popular route, (London Heathrow - Houston Hobby), can usually be booked for £382.

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

When booking a flight from London Heathrow Airport to Houston, you may want to consider flying on American Airlines, Air Canada or Air France as they are the most popular for this route.

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COVID Restrictions

View COVID Travel Restrictions for Houston, TX

Do I need a COVID test to fly to Houston from Heathrow?

Information is based on travel restrictions from London Heathrow to Houston

Most visitors from London Heathrow will not be allowed to enter Houston.

COVID-19 testing requirements
Visitors from London Heathrow must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to Houston.

Quarantine requirements
Visitors from London Heathrow are not required to quarantine after entering Houston.

Do I need a test to fly back to Heathrow from Houston?

Returning to London Heathrow from Houston

COVID-19 testing requirements
Visitors from Houston must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to London Heathrow.

Quarantine requirements
Visitors from Houston are not required to quarantine after entering London Heathrow.

Hide COVID Travel Restrictions for Houston, TX

Alternative routes for Heathrow to Houston

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

London to Brownsville South Padre Is. Intl from £785 pp

Destination information for Houston

Things to know before you go - useful duration and weather info for your trip from Heathrow to Houston.

£1 = $1.37

28.0 °C

Airports servicing London

Heathrow (LHR)

Airports servicing Houston

George Bush Intcntl (IAH)

Hobby (HOU)

Airline	Cheapest	Average	Flexibility	On-time
Virgin Atlantic	£201	£450	No cancel fee	72%	Search Virgin Atlantic flights
Austrian Airlines	£251	£540	No cancel fee	78%	Search Austrian Airlines flights
Delta	£255	£534	No cancel fee	N/A	Search Delta flights
United Airlines	£265	£530	No cancel fee	69%	Search United Airlines flights
Air Canada	£286	£710	No cancel fee	67%	Search Air Canada flights
Lufthansa	£308	£552	No cancel fee	76%	Search Lufthansa flights
KLM	£309	£491	No cancel fee	75%	Search KLM flights
British Airways	£317	£661	No cancel fee	70%	Search British Airways flights
Iberia	£318	£583	No cancel fee	77%	Search Iberia flights
Brussels Airlines	£321	£542	No cancel fee	N/A	Search Brussels Airlines flights

Hourly flight availability from Heathrow to Houston

See what time of day planes typically take off from Heathrow towards Houston.

Afternoon Midday to 6 PM	54% of flight departures
Morning 6 AM to midday	45% of flight departures
Early morning Midnight to 6 AM	1% of flight departures
Evening 6 PM to midnight	0% of flight departures

Midnight

6 AM

Noon

6 PM

Cheap flights from Heathrow to Houston

How to find the cheapest flight from Heathrow (LHR) to Houston (IAH)

All the information you need to plan the best LHR to IAH flight in 2021: compare Heathrow to Houston flight prices with the expected peak season, weather and rainfall in Houston.

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

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

When is the cheapest time to fly from London Heathrow Airport to Houston (LHR - HO1)?

Cheap flights from Heathrow to Houston in September, October 2021

The best prices found for LHR to IAH flights in September, October

London Heathrow to Houston 2021 flight deals

Cheap flights to Houston from Heathrow found for this year

Direct flights to Houston from Heathrow

Save time with Heathrow to Houston direct flight deals

Last-minute flights from Heathrow to Houston

Late deals on return flights to Houston from Heathrow, departing today and this week

One-way flights to Houston from London Heathrow

The cheapest one-way flights from Heathrow to Houston

Related info for your journey

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

Flight FAQs

From Heathrow to Houston

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

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

Can I find flights from London Heathrow Airport to Houston for under £400 on Cheapflights?

Are there direct flights from London Heathrow Airport to Houston for under £700 on Cheapflights?

Are there last-minute flights available from London Heathrow Airport to Houston for under £500?

What is the cheapest airline to fly from London Heathrow Airport to Houston return?

What are the most reliable airlines from London Heathrow Airport to Houston?

What are the cheapest flights from London Heathrow Airport to Houston?

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

Related searches

Flights to Houston from Heathrow

Hire a Car

COVID Restrictions

Do I need a COVID test to fly to Houston from Heathrow?

Do I need a test to fly back to Heathrow from Houston?

Alternative routes for Heathrow 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 Heathrow to Houston.

Airports servicing London

Airports servicing Houston

Top 10 airlines flying from London Heathrow to Houston

The chart below displays the airlines Cheapflights users travelling from Heathrow to Houston choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2021.

Hourly flight availability from Heathrow to Houston

See what time of day planes typically take off from Heathrow towards Houston.

How to find the cheapest flight from
Heathrow (LHR) to Houston (IAH)