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.

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 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 55% of flights taking off in the evening.

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

As of August 2025, 126 flights take off from Houston and land in London each week. The most common flight departure day for this route is Thu, with 17% of weekly flights taking off on this day.

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.

$204 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 $615 to $848. The lowest price recently found on this route was $477.

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Find the cheapest flights from Houston to London

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

7:10 am - 7:10 amIAH-LHR

18h 00m2 stops

6:50 am - 9:39 pmLHR-IAH

20h 49m2 stops

$477Air Canada

Find Deal

Tue, Dec 30 - Fri, Jan 9

10:00 am - 6:30 amIAH-LHR

14h 30m1 stop

2:10 pm - 3:42 pmLHR-IAH

31h 32m1 stop

$485Air Canada

Find Deal

Wed, Sep 24 - Wed, Oct 8

7:20 am - 6:55 amIAH-LHR

17h 35m1 stop

10:00 am - 2:15 pmLHR-IAH

10h 15mnonstop

$500United Airlines

Find Deal

Mon, Aug 25 - Tue, Sep 9

9:01 am - 7:50 amHOU-LGW

16h 49m2 stops

10:40 am - 10:14 pmLGW-HOU

17h 34m2 stops

$500American Airlines

Find Deal

Sun, Sep 28 - Wed, Oct 8

10:17 am - 7:30 amIAH-LGW

15h 13m2 stops

11:20 am - 11:34 pmLGW-IAH

18h 14m2 stops

$500American Airlines

Find Deal

Mon, Jan 26 - Tue, Feb 3

3:30 pm - 6:40 amIAH-LHR

9h 10mnonstop

2:50 pm - 7:15 pmLHR-IAH

10h 25mnonstop

$502British Airways

Find Deal

Mon, Sep 29 - Fri, Oct 10

8:15 pm - 11:35 amIAH-LHR

9h 20mnonstop

1:40 pm - 5:55 pmLHR-IAH

10h 15mnonstop

$503United Airlines

Find Deal

Mon, Aug 25 - Tue, Sep 9

1:15 pm - 6:35 amIAH-LHR

11h 20m1 stop

9:35 am - 2:05 pmLHR-IAH

10h 30mnonstop

$504British Airways

Find Deal

Wed, Nov 12 - Tue, Nov 18

2:33 pm - 9:00 amHOU-LHR

12h 27m1 stop

4:25 pm - 11:48 pmLHR-HOU

13h 23m1 stop

$537Iberia

Find Deal

Tue, Sep 23 - Thu, Oct 2

4:36 pm - 2:25 pmIAH-LHR

15h 49m1 stop

9:15 am - 7:40 pmLHR-IAH

16h 25m1 stop

$538Iberia

Find Deal

Wed, Aug 27 - Wed, Sep 3

United Airlines flights from Houston to London

Our best United Airlines deals on Houston to London flight tickets

United Airlines

Aug 25

IAH7:20 amHouston George Bush Intcntl

17h 35m

1 stop

LHR6:55 amLondon Heathrow

Sep 9

LHR10:00 amLondon Heathrow

10h 15m

IAH2:15 pmHouston George Bush Intcntl

$500

Find similar

United Airlines

Aug 25

IAH4:45 pmHouston George Bush Intcntl

11h 55m

1 stop

LHR10:40 amLondon Heathrow

Sep 9

LHR12:00 pmLondon Heathrow

14h 50m

1 stop

IAH8:50 pmHouston George Bush Intcntl

$502

Find similar

United Airlines

Aug 25

IAH8:15 pmHouston George Bush Intcntl

9h 20m

LHR11:35 amLondon Heathrow

Sep 9

LHR1:40 pmLondon Heathrow

10h 15m

IAH5:55 pmHouston George Bush Intcntl

$503

Find similar

Virgin Atlantic flights from Houston to London

Our best Virgin Atlantic deals on Houston to London flight tickets

Virgin Atlantic

Aug 24

IAH7:05 pmHouston George Bush Intcntl

12h 25m

1 stop

LHR1:30 pmLondon Heathrow

Sep 9

LHR6:15 amLondon Heathrow

13h 20m

1 stop

IAH1:35 pmHouston George Bush Intcntl

$497

Find similar

Virgin Atlantic

Aug 25

HOU9:57 amHouston Hobby

14h 23m

2 stops

LHR6:20 amLondon Heathrow

Sep 9

LHR11:30 amLondon Heathrow

17h 01m

2 stops

HOU10:31 pmHouston Hobby

$596

Find similar

Virgin Atlantic

Oct 20

HOU10:13 amHouston Hobby

15h 52m

2 stops

LHR8:05 amLondon Heathrow

Oct 29

LHR6:30 amLondon Heathrow

21h 30m

2 stops

HOU11:00 pmHouston Hobby

$597

Find similar

Fly from

Fly to

Route

Depart

Return

Price

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Tue 12/30

7:10 am-7:10 am

2 stops18h 00m

London Heathrow

Fri 1/9

6:50 am-9:39 pm

2 stops20h 49m

$477

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Wed 9/24

10:00 am-6:30 am

1 stop14h 30m

London Heathrow

Wed 10/8

2:10 pm-3:42 pm

1 stop31h 32m

$485

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Mon 8/25

7:20 am-6:55 am

1 stop17h 35m

London Heathrow

Tue 9/9

10:00 am-2:15 pm

Nonstop10h 15m

$500

HoustonLondon

HOU - LGW

HOULGW

Houston Hobby

Sun 9/28

9:01 am-7:50 am

2 stops16h 49m

London Gatwick

Wed 10/8

10:40 am-10:14 pm

2 stops17h 34m

$500

HoustonLondon

IAH - LGW

IAHLGW

Houston George Bush Intcntl

Mon 1/26

10:17 am-7:30 am

2 stops15h 13m

London Gatwick

Tue 2/3

11:20 am-11:34 pm

2 stops18h 14m

$500

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Mon 9/29

3:30 pm-6:40 am

Nonstop9h 10m

London Heathrow

Fri 10/10

2:50 pm-7:15 pm

Nonstop10h 25m

$502

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Mon 8/25

8:15 pm-11:35 am

Nonstop9h 20m

London Heathrow

Tue 9/9

1:40 pm-5:55 pm

Nonstop10h 15m

$503

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Wed 11/12

1:15 pm-6:35 am

1 stop11h 20m

London Heathrow

Tue 11/18

9:35 am-2:05 pm

Nonstop10h 30m

$504

HoustonLondon

HOU - LHR

HOULHR

Houston Hobby

Tue 9/23

2:33 pm-9:00 am

1 stop12h 27m

London Heathrow

Thu 10/2

4:25 pm-11:48 pm

1 stop13h 23m

$537

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Wed 8/27

4:36 pm-2:25 pm

1 stop15h 49m

London Heathrow

Wed 9/3

9:15 am-7:40 pm

1 stop16h 25m

$538

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 $646, 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 $661.

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 $976. 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 $697 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	$204
Fastest flight time	9h 10m
Direct flights	Every day
Airports in London	3 airports

The best one-way flight to London from Houston in the past 72 hours is $204. The best round-trip flight deal from Houston to London found on momondo in the last 72 hours is $477.

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

Direct flights go from Houston to London every day.

There are 3 airports near London: London City (LCY), London Heathrow (LHR), London Gatwick (LGW)

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 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 2,916 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 2,884 reviews	Search Iberia flights
Finnair	PriceFrom $581	Free Cancellation	Rating 7.6 1,321 reviews	Search Finnair flights
Virgin Atlantic	PriceFrom $582	Free Cancellation	Rating 7.4 657 reviews	Search Virgin Atlantic flights
British Airways	PriceFrom $594	Free Cancellation	Rating 6.6 7,267 reviews	Search British Airways flights
United Airlines	PriceFrom $596	Free Cancellation	Rating 7.4 8,916 reviews	Search United Airlines flights
Lufthansa	PriceFrom $611	Free Cancellation	Rating 6.8 7,322 reviews	Search Lufthansa flights
Air Canada	PriceFrom $635	Free Cancellation	Rating 7.1 9,966 reviews	Search Air Canada flights

Hounslow

Gatwick

Dover

Slough

Luton

Guildford

Milton Keynes

Dartford

Crawley

Hayes

Chelmsford

Stansted

Brentwood

Ilford

Colchester

Folkestone

Watford

Richmond

Canterbury

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.