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

JetBlue, WestJet, and Brussels Airlines are the most popular carriers operating from Houston to London

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

As of February 2025, there are 16 flights per day flying from Houston to London. The most common time of day flights depart is 4:00PM, with 51% of flights taking off in the afternoon.

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

As of February 2025, 117 flights take off from Houston and land in London each week. The most common flight departure day for this route is Thu, with 19% 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 38% of people opting to fly with this airline when traveling to London. Keep in mind that there are 12 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 February 2025, there are 12 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.

$197 Discover 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 $648 to $842. The lowest price recently found on this route was $492.

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Find the cheapest flights from Houston to London

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One-way

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Cheap round-trip flights

These are some of the best round-trip flight deals from Houston to London that have been recently found on momondo from popular airlines, departing in the coming months.

1:40 pm - 10:00 amIAH-LGW

14h 20m1 stop

2:00 pm - 10:45 amLGW-IAH

26h 45m1 stop

$492

Find Deal

Wed, Apr 2 - Tue, Apr 22

9:21 pm - 6:20 amIAH-LGW

26h 59m2 stops

2:00 pm - 10:51 amLGW-IAH

26h 51m2 stops

$530

Find Deal

Wed, Apr 2 - Tue, Apr 22

3:30 pm - 6:40 amIAH-LHR

9h 10mnonstop

9:25 am - 1:40 pmLHR-IAH

10h 15mnonstop

$576Iberia

Find Deal

Tue, Apr 8 - Tue, Apr 15

3:30 pm - 6:40 amIAH-LHR

9h 10mnonstop

2:50 pm - 7:15 pmLHR-IAH

10h 25mnonstop

$578Iberia

Find Deal

Tue, Apr 15 - Thu, Apr 24

1:02 pm - 6:40 amIAH-LHR

11h 38m1 stop

2:50 pm - 7:15 pmLHR-IAH

10h 25mnonstop

$613British Airways

Find Deal

Wed, Apr 23 - Wed, May 7

3:55 pm - 6:55 amIAH-LHR

9h 00mnonstop

6:15 am - 12:18 amLHR-IAH

23h 03m2 stops

$620British Airways

Find Deal

Tue, Mar 4 - Wed, Mar 26

5:25 pm - 7:30 amIAH-LHR

9h 05mnonstop

12:45 pm - 6:25 pmLHR-IAH

10h 40mnonstop

$631United Airlines

Find Deal

Wed, Mar 12 - Thu, Mar 20

10:20 pm - 9:40 amIAH-LHR

29h 20m1 stop

9:20 am - 2:55 pmLHR-IAH

10h 35mnonstop

$648United Airlines

Find Deal

Sat, Mar 8 - Tue, Mar 18

3:35 pm - 6:35 pmIAH-LCY

21h 00m1 stop

7:10 pm - 1:35 pmLCY-IAH

24h 25m1 stop

$734Lufthansa

Find Deal

Mon, Apr 21 - Mon, May 5

3:35 pm - 6:35 pmIAH-LCY

21h 00m1 stop

7:10 pm - 1:35 pmLCY-IAH

24h 25m1 stop

$741Lufthansa

Find Deal

Tue, Apr 15 - Thu, Apr 24

Iberia flights from Houston to London

Our best Iberia deals on Houston to London flight tickets

Iberia

Apr 8

IAH3:30 pmHouston George Bush Intcntl

9h 10m

LHR6:40 amLondon Heathrow

Apr 15

LHR9:25 amLondon Heathrow

10h 15m

IAH1:40 pmHouston George Bush Intcntl

$576

Find similar

Iberia

Apr 15

IAH3:30 pmHouston George Bush Intcntl

9h 10m

LHR6:40 amLondon Heathrow

Apr 24

LHR2:50 pmLondon Heathrow

10h 25m

IAH7:15 pmHouston George Bush Intcntl

$578

Find similar

Iberia

Apr 30

IAH4:49 pmHouston George Bush Intcntl

12h 01m

1 stop

LHR10:50 amLondon Heathrow

May 8

LHR12:00 pmLondon Heathrow

13h 20m

1 stop

IAH7:20 pmHouston George Bush Intcntl

$581

Find similar

Finnair flights from Houston to London

Our best Finnair deals on Houston to London flight tickets

Finnair

Apr 27

IAH12:02 pmHouston George Bush Intcntl

20h 23m

1 stop

LHR2:25 pmLondon Heathrow

May 7

LHR9:30 amLondon Heathrow

18h 31m

2 stops

IAH10:01 pmHouston George Bush Intcntl

$610

Find similar

Finnair

Mar 16

IAH10:45 pmHouston George Bush Intcntl

9h 00m

LHR12:45 pmLondon Heathrow

Apr 1

LHR9:25 amLondon Heathrow

10h 15m

IAH1:40 pmHouston George Bush Intcntl

$622

Find similar

Finnair

Mar 16

IAH10:45 pmHouston George Bush Intcntl

9h 00m

LHR12:45 pmLondon Heathrow

Apr 1

LHR12:15 pmLondon Heathrow

17h 09m

1 stop

IAH11:24 pmHouston George Bush Intcntl

$633

Find similar

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 $653, are often lower during this time because this is during the off-season. The month of January is another great option to travel to London, with average flight prices from Houston averaging around $665.

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 $1,042. 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 7 weeks ahead of your departure date. In general, you can expect to find flights to London for around $843 when searching 7 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 $730 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	$197
Fastest flight time	9h 00m
Direct flights	Every day
Airports in London	5 airports

The best one-way flight to London from Houston in the past 72 hours is $197. The best round-trip flight deal from Houston to London found on momondo in the last 72 hours is $492.

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

Direct flights go from Houston to London every day.

There are 5 airports near London: London City (LCY), London Luton (LTN), 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 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 February 2025, there are 12 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
Air France	PriceFrom $540	Free Cancellation	Rating 7.4 1,449 reviews	Search Air France flights
Iberia	PriceFrom $560	Free Cancellation	Rating 7.0 2,639 reviews	Search Iberia flights
Air Canada	PriceFrom $568	Free Cancellation	Rating 7.0 8,748 reviews	Search Air Canada flights
Virgin Atlantic	PriceFrom $578	Free Cancellation	Rating 7.5 654 reviews	Search Virgin Atlantic flights
American Airlines	PriceFrom $580	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
Finnair	PriceFrom $581	Free Cancellation	Rating 7.6 1,274 reviews	Search Finnair flights
Delta	PriceFrom $596	Free Cancellation	Rating 8.0 8,220 reviews	Search Delta flights
British Airways	PriceFrom $604	Free Cancellation	Rating 6.6 6,763 reviews	Search British Airways flights
United Airlines	PriceFrom $610	Free Cancellation	Rating 7.4 8,766 reviews	Search United Airlines flights
Lufthansa	PriceFrom $612	Free Cancellation	Rating 6.7 6,984 reviews	Search Lufthansa flights

Hounslow

Gatwick

Croydon

Luton

Slough

Guildford

Ipswich

Hayes

Stansted

Ilford

Canterbury

Dover

Milton Keynes

Dartford

Horley

Colchester

Wembley

Eastbourne

Chelmsford

St. Albans

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.