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

As of September 2025, 154 flights take off from Houston and land in London each week. The most common flight departure day for this route is Mon, with 14% of weekly flights taking off on this day.

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 day?

As of September 2025, there are 22 flights per day flying from Houston to London. The most common time of day flights depart is 4:00PM, with 50% of flights taking off in the afternoon.

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 38% 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 September 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.

$243 Cheap Flights from Houston to London in 2025/26

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 $581 to $730. The lowest price recently found on this route was $519.

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Find the cheapest flights from Houston to London

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

5:25 am - 10:00 amIAH-LGW

22h 35m1 stop

2:00 pm - 9:33 amLGW-IAH

25h 33m1 stop

$519Multiple Airlines

Find Deal

Wed, Oct 22 - Thu, Nov 6

5:25 am - 10:00 amIAH-LGW

22h 35m1 stop

2:00 pm - 8:33 amLGW-IAH

23h 33m1 stop

$529Multiple Airlines

Find Deal

Wed, Oct 22 - Fri, Oct 31

9:50 pm - 12:50 pmIAH-LHR

9h 00mnonstop

9:35 am - 2:05 pmLHR-IAH

10h 30mnonstop

$552Iberia

Find Deal

Sun, Nov 30 - Tue, Dec 23

4:20 pm - 7:40 amIAH-LHR

9h 20mnonstop

9:30 am - 7:15 pmLHR-IAH

14h 45m1 stop

$591United Airlines

Find Deal

Sun, Oct 12 - Tue, Oct 28

4:20 pm - 7:40 amIAH-LHR

9h 20mnonstop

7:30 am - 7:15 pmLHR-IAH

16h 45m1 stop

$593United Airlines

Find Deal

Sun, Oct 12 - Tue, Oct 28

10:11 am - 9:00 amHOU-LGW

16h 49m2 stops

12:30 pm - 9:40 amLGW-HOU

27h 10m2 stops

$619American Airlines

Find Deal

Wed, Nov 12 - Wed, Nov 19

11:10 am - 9:00 amIAH-LGW

15h 50m2 stops

11:20 am - 9:30 amLGW-IAH

28h 10m2 stops

$619American Airlines

Find Deal

Mon, Jan 26 - Tue, Feb 3

9:45 pm - 12:45 pmIAH-LHR

9h 00mnonstop

9:35 am - 2:05 pmLHR-IAH

10h 30mnonstop

$636Iberia

Find Deal

Mon, Jan 26 - Wed, Feb 25

2:24 pm - 9:00 amHOU-LHR

12h 36m1 stop

8:20 am - 6:07 pmLHR-HOU

14h 47m1 stop

$650British Airways

Find Deal

Wed, Oct 22 - Wed, Oct 29

12:15 pm - 6:50 amHOU-LHR

12h 35m1 stop

10:05 am - 5:52 pmLHR-HOU

13h 47m1 stop

$692British Airways

Find Deal

Mon, Nov 24 - Tue, Nov 25

British Airways flights from Houston to London

Our best British Airways deals on Houston to London flight tickets

British Airways

Oct 13

HOU8:11 pmHouston Hobby

12h 14m

1 stop

LHR2:25 pmLondon Heathrow

Oct 28

LHR8:20 amLondon Heathrow

14h 47m

1 stop

HOU6:07 pmHouston Hobby

$650

Find similar

British Airways

Oct 8

IAH3:30 pmHouston George Bush Intcntl

9h 10m

LHR6:40 amLondon Heathrow

Oct 15

LHR9:25 amLondon Heathrow

10h 20m

IAH1:45 pmHouston George Bush Intcntl

$691

Find similar

British Airways

Nov 24

HOU12:15 pmHouston Hobby

12h 35m

1 stop

LHR6:50 amLondon Heathrow

Nov 25

LHR10:05 amLondon Heathrow

13h 47m

1 stop

HOU5:52 pmHouston Hobby

$692

Find similar

Iberia flights from Houston to London

Our best Iberia deals on Houston to London flight tickets

Iberia

Nov 30

IAH9:50 pmHouston George Bush Intcntl

9h 00m

LHR12:50 pmLondon Heathrow

Dec 23

LHR9:35 amLondon Heathrow

10h 30m

IAH2:05 pmHouston George Bush Intcntl

$552

Find similar

Iberia

Jan 26

IAH9:45 pmHouston George Bush Intcntl

9h 00m

LHR12:45 pmLondon Heathrow

Feb 25

LHR9:35 amLondon Heathrow

10h 30m

IAH2:05 pmHouston George Bush Intcntl

$636

Find similar

Iberia

Oct 12

HOU2:26 pmHouston Hobby

12h 34m

1 stop

LHR9:00 amLondon Heathrow

Oct 28

LHR11:55 amLondon Heathrow

15h 19m

1 stop

HOU10:14 pmHouston Hobby

$656

Find similar

Fly from

Fly to

Route

Depart

Return

Price

HoustonLondon

IAH - LGW

IAHLGW

Houston George Bush Intcntl

Wed 10/22

5:25 am-10:00 am

1 stop22h 35m

London Gatwick

Thu 11/6

2:00 pm-9:33 am

1 stop25h 33m

$519

HoustonLondon

IAH - LGW

IAHLGW

Houston George Bush Intcntl

Wed 10/22

5:25 am-10:00 am

1 stop22h 35m

London Gatwick

Fri 10/31

2:00 pm-8:33 am

1 stop23h 33m

$529

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Sun 11/30

9:50 pm-12:50 pm

Nonstop9h 00m

London Heathrow

Tue 12/23

9:35 am-2:05 pm

Nonstop10h 30m

$552

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Sun 10/12

4:20 pm-7:40 am

Nonstop9h 20m

London Heathrow

Tue 10/28

9:30 am-7:15 pm

1 stop14h 45m

$591

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Sun 10/12

4:20 pm-7:40 am

Nonstop9h 20m

London Heathrow

Tue 10/28

7:30 am-7:15 pm

1 stop16h 45m

$593

HoustonLondon

HOU - LGW

HOULGW

Houston Hobby

Wed 11/12

10:11 am-9:00 am

2 stops16h 49m

London Gatwick

Wed 11/19

12:30 pm-9:40 am

2 stops27h 10m

$619

HoustonLondon

IAH - LGW

IAHLGW

Houston George Bush Intcntl

Mon 1/26

11:10 am-9:00 am

2 stops15h 50m

London Gatwick

Tue 2/3

11:20 am-9:30 am

2 stops28h 10m

$619

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Mon 1/26

9:45 pm-12:45 pm

Nonstop9h 00m

London Heathrow

Wed 2/25

9:35 am-2:05 pm

Nonstop10h 30m

$636

HoustonLondon

HOU - LHR

HOULHR

Houston Hobby

Wed 10/22

2:24 pm-9:00 am

1 stop12h 36m

London Heathrow

Wed 10/29

8:20 am-6:07 pm

1 stop14h 47m

$650

HoustonLondon

HOU - LHR

HOULHR

Houston Hobby

Mon 11/24

12:15 pm-6:50 am

1 stop12h 35m

London Heathrow

Tue 11/25

10:05 am-5:52 pm

1 stop13h 47m

$692

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 September. Flight prices, which tend to average around $644, are often lower during this time because this is during the off-season. The month of October is another great option to travel to London, with average flight prices from Houston averaging around $646.

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 $985. 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 $821 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 $753 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

Fastest flight time	9h 00m
Direct flights	Every day
Airports in London	1 airport

The fastest flight from Houston to London takes 9h 00m

Direct flights go from Houston to London every day.

There is 1 airport near London: London Heathrow (LHR)

Search flight deals

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 00m.
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 September 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 2,912 reviews	Search JetBlue flights
Delta	PriceFrom $447	Free Cancellation	Rating 7.9 7,964 reviews	Search Delta flights
American Airlines	PriceFrom $498	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
Finnair	PriceFrom $553	Free Cancellation	Rating 7.6 1,330 reviews	Search Finnair flights
British Airways	PriceFrom $569	Free Cancellation	Rating 6.7 7,406 reviews	Search British Airways flights
United Airlines	PriceFrom $573	Free Cancellation	Rating 7.4 8,924 reviews	Search United Airlines flights
Iberia	PriceFrom $574	Free Cancellation	Rating 7.0 2,959 reviews	Search Iberia flights
Virgin Atlantic	PriceFrom $582	Free Cancellation	Rating 7.4 665 reviews	Search Virgin Atlantic flights
Lufthansa	PriceFrom $616	Free Cancellation	Rating 6.8 7,435 reviews	Search Lufthansa flights
Austrian Airlines	PriceFrom $644	Free Cancellation	Rating 7.6 850 reviews	Search Austrian Airlines flights

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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.