Cheap flights from Houston to London from $204

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Houston to London departing on 10/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

Find the cheapest flights from Houston to London

Cheap round-trip flights

Air Canada Logo
7:10 am - 7:10 amIAH-LHR
18h 00m2 stops
Air Canada Logo
6:50 am - 9:39 pmLHR-IAH
20h 49m2 stops
$477Air Canada
Find Deal
Tue, Dec 30 - Fri, Jan 9
Air Canada Logo
10:00 am - 6:30 amIAH-LHR
14h 30m1 stop
Air Canada Logo
2:10 pm - 3:42 pmLHR-IAH
31h 32m1 stop
$485Air Canada
Find Deal
Wed, Sep 24 - Wed, Oct 8
United Airlines Logo
7:20 am - 6:55 amIAH-LHR
17h 35m1 stop
United Airlines Logo
10:00 am - 2:15 pmLHR-IAH
10h 15mnonstop
$500United Airlines
Find Deal
Mon, Aug 25 - Tue, Sep 9
American Airlines Logo
9:01 am - 7:50 amHOU-LGW
16h 49m2 stops
American Airlines Logo
10:40 am - 10:14 pmLGW-HOU
17h 34m2 stops
$500American Airlines
Find Deal
Sun, Sep 28 - Wed, Oct 8
American Airlines Logo
10:17 am - 7:30 amIAH-LGW
15h 13m2 stops
American Airlines Logo
11:20 am - 11:34 pmLGW-IAH
18h 14m2 stops
$500American Airlines
Find Deal
Mon, Jan 26 - Tue, Feb 3
British Airways Logo
3:30 pm - 6:40 amIAH-LHR
9h 10mnonstop
British Airways Logo
2:50 pm - 7:15 pmLHR-IAH
10h 25mnonstop
$502British Airways
Find Deal
Mon, Sep 29 - Fri, Oct 10
United Airlines Logo
8:15 pm - 11:35 amIAH-LHR
9h 20mnonstop
United Airlines Logo
1:40 pm - 5:55 pmLHR-IAH
10h 15mnonstop
$503United Airlines
Find Deal
Mon, Aug 25 - Tue, Sep 9
British Airways Logo
1:15 pm - 6:35 amIAH-LHR
11h 20m1 stop
British Airways Logo
9:35 am - 2:05 pmLHR-IAH
10h 30mnonstop
$504British Airways
Find Deal
Wed, Nov 12 - Tue, Nov 18
Iberia Logo
2:33 pm - 9:00 amHOU-LHR
12h 27m1 stop
Iberia Logo
4:25 pm - 11:48 pmLHR-HOU
13h 23m1 stop
$537Iberia
Find Deal
Tue, Sep 23 - Thu, Oct 2
Iberia Logo
4:36 pm - 2:25 pmIAH-LHR
15h 49m1 stop
Iberia Logo
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
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
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

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
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
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

momondo Fare Finder

 
Customize your flight search to find flights from Houston to London that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated August 16, 2025.
Use the filters below to find and compare flights from Houston to London that are best for you.

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
1
2

See travel insights to London from

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

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)
  • 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?

  • 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
JetBluePriceFrom $101Free CancellationRating
7.2
2,916 reviews
Search JetBlue flights
DeltaPriceFrom $396Free CancellationRating
8.0
7,985 reviews
Search Delta flights
American AirlinesPriceFrom $522Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
IberiaPriceFrom $563Free CancellationRating
7.0
2,884 reviews
Search Iberia flights
FinnairPriceFrom $581Free CancellationRating
7.6
1,321 reviews
Search Finnair flights
Virgin AtlanticPriceFrom $582Free CancellationRating
7.4
657 reviews
Search Virgin Atlantic flights
British AirwaysPriceFrom $594Free CancellationRating
6.6
7,267 reviews
Search British Airways flights
United AirlinesPriceFrom $596Free CancellationRating
7.4
8,916 reviews
Search United Airlines flights
LufthansaPriceFrom $611Free CancellationRating
6.8
7,322 reviews
Search Lufthansa flights
Air CanadaPriceFrom $635Free CancellationRating
7.1
9,966 reviews
Search Air Canada flights

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
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.

An easier way to manage your London trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Thu 8/21
Thu 8/28

Find better results for your trip to the United Kingdom

Fly into one of these airports located in London

Airports listed have a maximum distance of 35.6 mi from London