How many flights depart from Houston to London on average per day?

As of August 2025, there are 18 flights per day flying from Houston to London. The most common time of day flights depart is 4:00PM, with 52% of flights taking off in the evening.

What is the cheapest airline that flies from Houston to London?

WestJet is the most popular carrier operating from Houston to London

How many flights depart from Houston to London on average per week?

As of August 2025, 131 flights take off from Houston and land in London each week. The most common flight departure day for this route is Mon, with 17% of weekly flights taking off on this day.

What airlines fly to London?

United Airlines, British Airways and Iberia are the top three most popular airlines that fly to London from Houston according to our data. United Airlines is the first choice among our users, with 37% of people opting to fly with this airline when traveling to London. Keep in mind that there are 11 different airlines that fly to London on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Houston to London?

Prices for flights from Houston to London are refreshed on a daily basis.

How many operators does momondo search for flights from Houston to London?

As of August 2025, there are 11 operators available to choose from for flights from Houston to London.

How old do you have to be to fly from Houston to London?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Houston to London.

What documentation or ID do you need to fly to London?

The travel and health documents required for your trip to London can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at London. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$194 Cheap Flights from Houston to London in 2025

Q: What is the typical price of a round-trip flight between Houston and London?

Prices are currently low for flights on this route. Typical prices usually range from $622 to $853. The lowest price recently found on this route was $468.

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Find the cheapest flights from Houston to London

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

10:00 am - 9:35 amIAH-LHR

17h 35m1 stop

6:50 am - 9:39 pmLHR-IAH

20h 49m2 stops

$468Air Canada

Find Deal

Tue, Oct 14 - Tue, Nov 4

10:00 am - 6:30 amIAH-LHR

14h 30m1 stop

1:25 pm - 9:39 pmLHR-IAH

14h 14m1 stop

$477Air Canada

Find Deal

Tue, Oct 14 - Tue, Nov 4

4:25 pm - 12:20 pmIAH-LHR

13h 55m1 stop

1:40 pm - 5:55 pmLHR-IAH

10h 15mnonstop

$493United Airlines

Find Deal

Sun, Aug 17 - Tue, Sep 2

4:25 pm - 12:20 pmIAH-LHR

13h 55m1 stop

1:40 pm - 5:55 pmLHR-IAH

10h 15mnonstop

$494United Airlines

Find Deal

Sun, Aug 17 - Tue, Sep 2

3:30 pm - 6:40 amIAH-LHR

9h 10mnonstop

2:50 pm - 7:15 pmLHR-IAH

10h 25mnonstop

$499British Airways

Find Deal

Wed, Oct 1 - Wed, Oct 15

9:00 pm - 12:20 pmIAH-LHR

9h 20mnonstop

2:50 pm - 7:15 pmLHR-IAH

10h 25mnonstop

$500British Airways

Find Deal

Wed, Oct 1 - Fri, Oct 10

6:39 pm - 12:15 pmIAH-LHR

11h 36m1 stop

9:25 am - 1:45 pmLHR-IAH

10h 20mnonstop

$524Iberia

Find Deal

Mon, Sep 29 - Tue, Oct 7

4:54 pm - 10:30 amIAH-LHR

11h 36m1 stop

9:25 am - 1:45 pmLHR-IAH

10h 20mnonstop

$525Iberia

Find Deal

Sun, Sep 28 - Fri, Oct 17

9:01 am - 8:35 amHOU-LGW

17h 34m2 stops

10:40 am - 10:14 pmLGW-HOU

17h 34m2 stops

$579American Airlines

Find Deal

Sun, Sep 28 - Wed, Oct 8

9:01 am - 8:35 amHOU-LGW

17h 34m2 stops

12:20 pm - 11:48 pmLGW-HOU

17h 28m2 stops

$699American Airlines

Find Deal

Sun, Sep 21 - Sun, Sep 28

Air Canada flights from Houston to London

Our best Air Canada deals on Houston to London flight tickets

Air Canada

Oct 14

IAH10:00 amHouston George Bush Intcntl

17h 35m

1 stop

LHR9:35 amLondon Heathrow

Nov 4

LHR6:50 amLondon Heathrow

20h 49m

2 stops

IAH9:39 pmHouston George Bush Intcntl

$468

Find similar

Air Canada

Oct 14

IAH10:00 amHouston George Bush Intcntl

14h 30m

1 stop

LHR6:30 amLondon Heathrow

Nov 4

LHR1:25 pmLondon Heathrow

14h 14m

1 stop

IAH9:39 pmHouston George Bush Intcntl

$477

Find similar

Air Canada

Nov 10

IAH7:10 amHouston George Bush Intcntl

17h 20m

1 stop

LHR6:30 amLondon Heathrow

Nov 18

LHR1:25 pmLondon Heathrow

14h 14m

1 stop

IAH9:39 pmHouston George Bush Intcntl

$490

Find similar

Iberia flights from Houston to London

Our best Iberia deals on Houston to London flight tickets

Iberia

Aug 13

IAH8:41 amHouston George Bush Intcntl

16h 59m

1 stop

LHR7:40 amLondon Heathrow

Aug 21

LHR11:30 amLondon Heathrow

18h 24m

2 stops

IAH11:54 pmHouston George Bush Intcntl

$515

Find similar

Iberia

Sep 29

IAH6:39 pmHouston George Bush Intcntl

11h 36m

1 stop

LHR12:15 pmLondon Heathrow

Oct 7

LHR9:25 amLondon Heathrow

10h 20m

IAH1:45 pmHouston George Bush Intcntl

$524

Find similar

Iberia

Sep 28

IAH4:54 pmHouston George Bush Intcntl

11h 36m

1 stop

LHR10:30 amLondon Heathrow

Oct 17

LHR9:25 amLondon Heathrow

10h 20m

IAH1:45 pmHouston George Bush Intcntl

$525

Find similar

Fly from

Fly to

Route

Depart

Return

Price

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Tue 10/14

10:00 am-9:35 am

1 stop17h 35m

London Heathrow

Tue 11/4

6:50 am-9:39 pm

2 stops20h 49m

$468

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Tue 10/14

10:00 am-6:30 am

1 stop14h 30m

London Heathrow

Tue 11/4

1:25 pm-9:39 pm

1 stop14h 14m

$477

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Sun 8/17

4:25 pm-12:20 pm

1 stop13h 55m

London Heathrow

Tue 9/2

1:40 pm-5:55 pm

Nonstop10h 15m

$493

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Sun 8/17

4:25 pm-12:20 pm

1 stop13h 55m

London Heathrow

Tue 9/2

1:40 pm-5:55 pm

Nonstop10h 15m

$494

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Wed 10/1

3:30 pm-6:40 am

Nonstop9h 10m

London Heathrow

Wed 10/15

2:50 pm-7:15 pm

Nonstop10h 25m

$499

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Wed 10/1

9:00 pm-12:20 pm

Nonstop9h 20m

London Heathrow

Fri 10/10

2:50 pm-7:15 pm

Nonstop10h 25m

$500

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Mon 9/29

6:39 pm-12:15 pm

1 stop11h 36m

London Heathrow

Tue 10/7

9:25 am-1:45 pm

Nonstop10h 20m

$524

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Sun 9/28

4:54 pm-10:30 am

1 stop11h 36m

London Heathrow

Fri 10/17

9:25 am-1:45 pm

Nonstop10h 20m

$525

HoustonLondon

HOU - LGW

HOULGW

Houston Hobby

Sun 9/28

9:01 am-8:35 am

2 stops17h 34m

London Gatwick

Wed 10/8

10:40 am-10:14 pm

2 stops17h 34m

$579

HoustonLondon

HOU - LGW

HOULGW

Houston Hobby

Sun 9/21

9:01 am-8:35 am

2 stops17h 34m

London Gatwick

Sun 9/28

12:20 pm-11:48 pm

2 stops17h 28m

$699

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Houston to London

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the typical price of a round-trip flight between Houston and London?

What is the cheapest month to fly to London?

The cheapest month to fly to London from Houston is in October. Flight prices, which tend to average around $650, are often lower during this time because this is during the off-season. The month of September is another great option to travel to London, with average flight prices from Houston averaging around $662.

What is the cheapest day to depart on your flight to London?

The cheapest day to depart from Houston to London is on a Wednesday. Travelers who choose to depart for London on a Wednesday will often find tickets for as low as $786. If your travel schedule is flexible, try to avoid departing on a Monday because tickets tend to average around $988. These prices are subject to change though, so be sure to set up a Price Alert for flights to London.

What is the cheapest time of day to depart on your flight to London?

Flying to London from Houston in the morning is the least expensive time of day to depart. momondo users have found prices as low as $844 when looking at flights departing in the morning. Flights to London are more costly in the evening, with an average ticket price of $973. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Houston to London flight route?

Fly from Houston George Bush Intcntl to London Heathrow for the best Houston - London flight prices

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

You are more likely to see cheaper flights to London from Houston when booking weeks ahead of your departure date. In general, you can expect to find flights to London for around $820 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from Houston for as low as $706 on momondo.

What cabin class options are available on Houston to London flights?

There are 4 cabin classes available to choose from on Houston to London flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap Houston to London flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Houston to London

Best Price Found	$194
Fastest flight time	9h 10m
Direct flights	Every day
Airports in London	4 airports

The best one-way flight to London from Houston in the past 72 hours is $194. The best round-trip flight deal from Houston to London found on momondo in the last 72 hours is $468.

The fastest flight from Houston to London takes 9h 10m

Direct flights go from Houston to London every day.

There are 4 airports near London: London City (LCY), London Heathrow (LHR), London Stansted (STN), London Gatwick (LGW)

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How far is Houston to London by plane?
A flight from Houston to London will travel around 4845.7 mi. By plane, this route typically takes 9h 10m.
When did momondo last update prices for flights from Houston to London?
Prices for flights from Houston to London are refreshed on a daily basis.
How many operators does momondo search for flights from Houston to London?
As of August 2025, there are 11 operators available to choose from for flights from Houston to London.
How old do you have to be to fly from Houston to London?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Houston to London.
What documentation or ID do you need to fly to London?
The travel and health documents required for your trip to London can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at London. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Houston to London

Compare and see reviews for airlines that fly from Houston to London with momondo

Airline	Rating	Free Cancellation	Price
JetBlue	PriceFrom $101	Free Cancellation	Rating 7.2 2,915 reviews	Search JetBlue flights
Delta	PriceFrom $396	Free Cancellation	Rating 8.0 7,985 reviews	Search Delta flights
American Airlines	PriceFrom $522	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
Iberia	PriceFrom $563	Free Cancellation	Rating 7.0 2,865 reviews	Search Iberia flights
Finnair	PriceFrom $581	Free Cancellation	Rating 7.6 1,319 reviews	Search Finnair flights
Virgin Atlantic	PriceFrom $582	Free Cancellation	Rating 7.4 657 reviews	Search Virgin Atlantic flights
British Airways	PriceFrom $598	Free Cancellation	Rating 6.6 7,251 reviews	Search British Airways flights
United Airlines	PriceFrom $603	Free Cancellation	Rating 7.4 8,917 reviews	Search United Airlines flights
Lufthansa	PriceFrom $611	Free Cancellation	Rating 6.8 7,289 reviews	Search Lufthansa flights
Air Canada	PriceFrom $635	Free Cancellation	Rating 7.1 9,893 reviews	Search Air Canada flights

Gatwick

Hounslow

Dover

Slough

Luton

Guildford

Milton Keynes

Dartford

Crawley

Hayes

Chelmsford

Stansted

Ilford

Brentwood

Colchester

Folkestone

Watford

Canterbury

Richmond

Wembley

Why use momondo?

Why should I use momondo to find a flight deal from Houston to London?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Houston to London for you.

Can I find flights from Houston to London with flexible booking policies on momondo?

momondo does allow users to show only those flights to London from Houston which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Houston to London?

Once you have performed a search for Houston to London flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Houston to London right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Houston to London flights. All you need is a valid email address and we will do the rest; it is that quick and easy.