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$226 Find cheap flights from Houston to London

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Houston to London departing on 9/5. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
0 bags
Sat 5/25
Sat 6/1

Search hundreds of travel sites at once for deals on flights to London

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Houston to London, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Houston to London, as well as popular online travel agencies
In the last 7 days travelers have searched 44,979,812 times on KAYAK, and here is why:

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Cheap flight deals from Houston to London

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Houston to London that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices and deals for you by selecting your travel dates.
Choose your dates
7:55 am - 7:00 amIAH-LGW
17h 05m1 stop
10:00 am - 11:14 amLGW-IAH
31h 14m2 stops
Wed, May 22 - Mon, Jun 3
7:55 am - 7:00 amIAH-LGW
17h 05m1 stop
2:00 pm - 2:47 pmLGW-IAH
30h 47m1 stop
Wed, May 22 - Mon, Jun 3
3:10 pm - 11:10 amIAH-LHR
14h 00m1 stop
6:20 am - 3:05 pmLHR-IAH
13h 45m1 stop
$593Air France
Find Deal
Sun, Oct 20 - Thu, Oct 31
12:30 pm - 6:25 amIAH-LHR
11h 55m1 stop
6:30 am - 1:25 pmLHR-IAH
12h 55m1 stop
$595KLM
Find Deal
Mon, Sep 23 - Thu, Oct 10
1:53 pm - 12:10 pmIAH-LHR
16h 17m1 stop
9:25 am - 1:45 pmLHR-IAH
10h 20mnonstop
$598American Airlines
Find Deal
Mon, Sep 23 - Thu, Oct 10
7:15 am - 7:50 amIAH-LHR
18h 35m1 stop
6:15 am - 6:58 pmLHR-IAH
18h 43m2 stops
$603Delta
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Wed, Oct 9 - Tue, Oct 15
10:30 am - 11:10 amHOU-LHR
18h 40m1 stop
6:15 am - 6:26 pmLHR-HOU
18h 11m2 stops
$603Delta
Find Deal
Wed, Oct 9 - Tue, Oct 15
10:30 am - 6:25 amHOU-LHR
13h 55m1 stop
12:30 pm - 10:15 pmLHR-HOU
14h 45m1 stop
$609Air France
Find Deal
Sun, Oct 20 - Thu, Oct 31
4:20 pm - 11:10 amHOU-LHR
12h 50m1 stop
1:55 pm - 10:15 pmLHR-HOU
14h 20m1 stop
$610KLM
Find Deal
Mon, Sep 23 - Thu, Oct 10
3:35 pm - 6:50 amIAH-LHR
9h 15mnonstop
9:30 am - 2:10 pmLHR-IAH
10h 40mnonstop
$644American Airlines
Find Deal
Mon, Oct 7 - Wed, Dec 18

Flights from Houston to London - Travel Insights & Trends

Get data-powered insights and trends into flights from Houston to London to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest Houston to London flight route?

The cheapest price for flight routes found by users searching on KAYAK in the last 2 weeks for one-way flights from Houston to London.
Our data shows that the cheapest route for a one-way flight from Houston to London cost $469 and was between Houston George Bush Intcntl Airport and London Heathrow Airport. On average, the best prices are found if you fly this route. The average price for a return flight for this route is $654.

What’s the cheapest day of the week to fly from Houston to London?

The average price of all flights from Houston to London clicked on KAYAK for each day over the last 12 months.
For Houston to London, Wednesday is the cheapest day to fly on average and Friday is the most expensive. Flying from London back to Houston, the best deals are generally found on Friday, with Sunday being the most expensive.

What is the cheapest month to fly from Houston to London?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights from Houston to London, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.
The cheapest month for flights from Houston to London is February, where tickets cost $798 on average. On the other hand, the most expensive months are June and July, where the average cost of tickets is $1,448 and $1,435 respectively.

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

To calculate daily average prices, KAYAK takes all prices for each day before departure over the last year for flights from Houston to London, removes the top 0.1% to account for outliers, and then takes the average of all the values for each month.
To get a below average price on the flight from Houston to London, you should book around 1 week before departure. For the absolute cheapest price, our data suggests you should book 72 days before departure.

Which airlines fly non-stop between Houston and London?

Airline and price data is aggregated from results in KAYAK’s search results from the last 2 weeks for flights from Houston to London.
There are 2 airlines that fly nonstop from Houston to London. They are British Airways and United Airlines. The cheapest airline for this route is United Airlines, with the best one-way deal found costing $609. On average, the best prices for this route can be found at British Airways.

How many flights are there between Houston and London per day?

Each day, there are between 6 and 7 nonstop flights that take off from Houston and land in London, with an average flight time of 9h 19m. The most common departure time is 8:00 pm and most flights take off in the evening, while the most flights land at London Heathrow Airport. Each week, there are 48 flights. The most frequent day of departure is Tuesday, when 15% of all weekly flights depart. The fewest flights depart on a Saturday.

Which cabin class options are there for flights between Houston and London?

The average price of flights for each cabin class for the route found by users searching on KAYAK over the last 2 weeks.
There are 4 cabin class options for the route. These are First, Business, Economy and Prem Economy. Perform a search on KAYAK to find the latest prices and availability for all cabin fares, which differ across airlines.

How long does a flight from Houston to London take?

This flight route requires at least one stop and takes a minimum of 9h 10m.

Good to know

Cheapest flight

$226
Flight from Houston George Bush Airport to London Gatwick Airport

When to book flights from Houston to London

Are your dates flexible? Find out the best times to travel from Houston to London based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Houston to London

  • What is the cheapest flight from Houston to London?

    In the last 3 days, the lowest price for a flight from Houston to London was $226 for a one-way ticket and $487 for a round-trip.

  • Do I need a passport to fly between Houston and London?

    A passport is required to fly from Houston to London.

  • Which airports will I be using when flying from Houston to London?

    There are 2 airports in Houston (Houston Hobby and Houston George Bush Intcntl) and 3 airports in London (London Gatwick, London Heathrow, and London Luton). The cheapest flights are generally found on the Houston George Bush Airport to London Heathrow Airport flight route.

  • Which aircraft models fly most regularly from Houston to London?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Houston to London?

    SkyTeam, oneworld, and Star Alliance are the airline alliances operating flights between Houston and London, with SkyTeam being the most commonly used for this route.

  • How does KAYAK find such low prices on flights from Houston to London?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Houston to London.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Houston to London?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to London from Houston is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Houston to London?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to London with an airline and back to Houston with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Houston to London?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to London from Houston up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Prefer to fly non-stop from Houston to London?

Find which airlines fly direct from Houston to London, which days they fly and book direct flights.

Nonstop departures

Houston to London

Monday

Aer Lingus, Air Canada, American Airlines, +8 more

Aer Lingus, Air Canada, +9 more

Tuesday

Aer Lingus, Air Canada, American Airlines, +8 more

Aer Lingus, Air Canada, +9 more

Wednesday

Aer Lingus, Air Canada, American Airlines, +8 more

Aer Lingus, Air Canada, +9 more

Thursday

Aer Lingus, Air Canada, American Airlines, +8 more

Aer Lingus, Air Canada, +9 more

Friday

Aer Lingus, Air Canada, American Airlines, +8 more

Aer Lingus, Air Canada, +9 more

Saturday

Aer Lingus, Air Canada, American Airlines, +8 more

Aer Lingus, Air Canada, +9 more

Sunday

Aer Lingus, Air Canada, American Airlines, +8 more

Aer Lingus, Air Canada, +9 more

See more direct flights

Nonstop returns

London to Houston

Monday

Aer Lingus, Air Canada, American Airlines, +8 more

Aer Lingus, Air Canada, +9 more

Tuesday

Aer Lingus, Air Canada, American Airlines, +8 more

Aer Lingus, Air Canada, +9 more

Wednesday

Aer Lingus, Air Canada, American Airlines, +8 more

Aer Lingus, Air Canada, +9 more

Thursday

Aer Lingus, Air Canada, American Airlines, +8 more

Aer Lingus, Air Canada, +9 more

Friday

Aer Lingus, Air Canada, American Airlines, +8 more

Aer Lingus, Air Canada, +9 more

Saturday

Aer Lingus, Air Canada, American Airlines, +8 more

Aer Lingus, Air Canada, +9 more

Sunday

Aer Lingus, Air Canada, American Airlines, +8 more

Aer Lingus, Air Canada, +9 more

See more direct flights
See more direct flights

Book cheap flights from Houston to London

Recent one-way flight deals

 
Only flying one-way? Below are some of the best one-way flight deals from Houston to London found on KAYAK in the last 72 hours.
9/5Thu
1 stop
16h 10mIAH-LGW
$226
5/22Wed
1 stop
14h 16mIAH-LGW
$227
9/8Sun
1 stop
16h 10mIAH-LGW
$235
4/30Tue
1 stopIberia
20h 23mIAH-LHR
$425
10/14Mon
1 stopIberia
12h 14mHOU-LHR
$426
10/14Mon
1 stopWestJet
22h 05mIAH-LHR
$426
5/4Sat
2 stopsScandinavian Airlines
32h 05mIAH-LHR
$432
4/30Tue
2 stopsAmerican Airlines
14h 22mIAH-LHR
$439
10/10Thu
1 stopWestJet
35h 45mIAH-LHR
$451
7/16Tue
1 stopAmerican Airlines
15h 54mHOU-LHR
$758

Search by stops

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Search by price

Last minute flights from Houston to London

Last minute flight, train and bus deals

 
These last-minute flight deals are the cheapest flights found on KAYAK in the last 72 hours for flights from Houston to London that are departing in the next 10 days.
4/29Mon
multi-stopAir France
11h 35mIAH-LHR
5/10Fri
multi-stopAir France
13h 20mLHR-IAH
$593
4/29Mon
multi-stopAmerican Airlines
15h 43mIAH-LHR
5/10Fri
nonstopAmerican Airlines
10h 20mLHR-IAH
$598
4/29Mon
multi-stopDelta
11h 35mIAH-LHR
5/10Fri
multi-stopDelta
20h 03mLHR-IAH
$606
4/29Mon
multi-stopKLM
13h 05mHOU-LHR
5/10Fri
multi-stopKLM
14h 26mLHR-HOU
$610
4/29Mon
multi-stopDelta
18h 25mHOU-LHR
5/10Fri
multi-stopDelta
22h 17mLHR-HOU
$614
4/27Sat
multi-stop
33h 45mIAH-LGW
5/3Fri
multi-stop
30h 22mLGW-IAH
$645
4/29Mon
multi-stop
30h 35mIAH-LHR
5/14Tue
multi-stop
22h 32mLHR-IAH
$653
4/29Mon
nonstopLufthansa
9h 20mIAH-LHR
5/10Fri
nonstopLufthansa
10h 15mLHR-IAH
$675
4/27Sat
multi-stopLufthansa
20h 00mIAH-LHR
5/4Sat
multi-stopLufthansa
21h 09mLHR-IAH
$796
4/29Mon
multi-stopKLM
11h 25mHOU-LHR
5/10Fri
multi-stopKLM
14h 26mLHR-HOU
$961

Search by stops

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Search by price

Flights to London

Return flight deals:

London - Houston

Cabin classes: