London

$488+ Cheap flights from Houston to London (LON)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/23. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — LON
Jul 27 — Aug 31
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Houston to London with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Houston to London

Cheapest flights from Houston to London
Explore the most affordable flight options available from Houston to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 27, 2026.

This Kiwi.com deal was found by Cheapflights users on 6/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/105:09 pm
IAH
-
LGW
1 stop34h 51m
Multiple Airlines
Sun 10/182:00 pm
LGW
-
IAH
1 stop26h 24m
Multiple Airlines
Deal found 6/26$888
This Gotogate deal was found by Cheapflights users on 6/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/179:10 pm
IAH
-
STN
1 stop37h 40m
Turkish Airlines
Mon 9/2810:50 am
STN
-
IAH
1 stop38h 25m
Turkish Airlines
Deal found 6/26$889
This Expedia deal was found by Cheapflights users on 6/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/29:45 pm
IAH
-
LHR
Nonstop9h 00m
Multiple Airlines
Mon 11/167:25 am
LHR
-
IAH
1 stop14h 50m
Multiple Airlines
Deal found 6/26$890
This Mytrip deal was found by Cheapflights users on 6/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1510:00 am
IAH
-
LTN
2 stops27h 55m
Multiple Airlines
Mon 10/193:15 pm
LTN
-
IAH
2 stops28h 20m
Multiple Airlines
Deal found 6/26$890
This Kiwi.com deal was found by Cheapflights users on 6/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/191:45 pm
IAH
-
LGW
1 stop14h 15m
Multiple Airlines
Mon 8/242:00 pm
LGW
-
IAH
2 stops26h 34m
Multiple Airlines
Deal found 6/27$890
This Cheapflightsfares deal was found by Cheapflights users on 6/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/53:35 pm
IAH
-
LHR
1 stop19h 05m
Lufthansa
Tue 10/136:30 am
LHR
-
IAH
2 stops16h 47m
Lufthansa
Deal found 6/26$891
This FlightHub deal was found by Cheapflights users on 6/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/176:10 pm
IAH
-
LHR
1 stop15h 30m
ITA Airways
Tue 8/254:30 pm
LHR
-
IAH
1 stop29h 10m
ITA Airways
Deal found 6/26$893
This ITA Airways deal was found by Cheapflights users on 6/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure ITA Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/196:10 pm
IAH
-
LHR
1 stop15h 30m
ITA Airways
Sun 8/234:30 pm
LHR
-
IAH
1 stop29h 10m
ITA Airways
Deal found 6/26$895
This British Airways deal was found by Cheapflights users on 6/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/254:50 pm
IAH
-
LHR
Nonstop9h 00m
British Airways
Tue 11/39:35 am
LHR
-
IAH
Nonstop10h 30m
British Airways
Deal found 6/26$896
This Booking.com deal was found by Cheapflights users on 6/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/209:10 pm
IAH
-
STN
1 stop37h 30m
Turkish Airlines
Sun 11/85:20 pm
STN
-
IAH
1 stop31h 45m
Turkish Airlines
Deal found 6/27$896
This United Airlines deal was found by Cheapflights users on 6/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/256:10 pm
IAH
-
LHR
1 stop36h 40m
United Airlines
Mon 11/27:30 am
LHR
-
IAH
1 stop36h 30m
United Airlines
Deal found 6/26$898
This Booking.com deal was found by Cheapflights users on 6/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/309:10 pm
IAH
-
STN
1 stop30h 45m
Turkish Airlines
Sun 10/45:35 pm
STN
-
IAH
1 stop25h 10m
Turkish Airlines
Deal found 6/26$898

Find flight deals from Houston to London

Discover tips and strategies to find the most affordable flight options for your journey from Houston (HO1) to London (LON). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 27, 2026.

Round-trip from

$888
(Kiwi.com)

One-way from

$488
(Kiwi.com)

Popular in

June

Cheapest in

September

Average price

$1,272
From Houston to London (LON)
One-way flight from Houston to London (LON)
Highest demand for flights based on searches. 24% potential increase in price ($266 potential increase over avg. RT price).
Cheapest flight prices on average. 5% potential price decrease ($42 potential savings vs. average RT price).
Average for round-trip flights in June 2026

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated June 27, 2026.
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

Cheapest round-trip

HoustonLondon

IAH - LGW

IAHLGW

Houston George Bush Intcntl

Wed 10/14

9:10 pm-10:30 pm

1 stop19h 20m

London Gatwick

Mon 10/19

10:50 am-7:15 pm

1 stop38h 25m

$907

HoustonLondon

HOU - LCY

HOULCY

Houston Hobby

Mon 9/21

11:00 am-7:55 am

2 stops14h 55m

London City

Wed 9/30

10:00 am-10:40 pm

2 stops18h 40m

$910

HoustonLondon

IAH - STN

IAHSTN

Houston George Bush Intcntl

Thu 10/8

9:10 pm-4:50 pm

1 stop37h 40m

London Stansted

Mon 10/19

10:50 am-7:15 pm

1 stop38h 25m

$919

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Mon 12/7

11:50 am-10:30 am

2 stops16h 40m

London Heathrow

Mon 12/21

2:45 pm-1:55 pm

1 stop29h 10m

$920

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Wed 9/30

12:21 pm-9:00 am

2 stops14h 39m

London Heathrow

Sun 10/11

6:30 am-1:15 pm

1 stop12h 45m

$930

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Fri 10/16

9:40 am-7:55 am

2 stops16h 15m

London Heathrow

Tue 10/27

8:40 am-10:04 pm

2 stops18h 24m

$936

HoustonLondon

IAH - LCY

IAHLCY

Houston George Bush Intcntl

Wed 10/21

6:10 pm-6:50 pm

2 stops18h 40m

London City

Sun 11/8

7:30 pm-4:25 pm

2 stops26h 55m

$940

HoustonLondon

IAH - LTN

IAHLTN

Houston George Bush Intcntl

Mon 8/3

3:35 pm-10:50 pm

2 stops25h 15m

London Luton

Wed 8/19

6:15 am-7:38 pm

3 stops19h 23m

$952

HoustonLondon

IAH - STN

IAHSTN

Houston George Bush Intcntl

Mon 11/2

10:00 pm-9:55 am

1 stop29h 55m

London Stansted

Mon 11/9

10:55 am-1:10 pm

1 stop32h 15m

$974

HoustonLondon

IAH - LGW

IAHLGW

Houston George Bush Intcntl

Sat 10/24

3:55 pm-10:00 am

1 stop12h 05m

London Gatwick

Sat 11/7

10:00 am-11:58 pm

2 stops19h 58m

$988

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/23

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
...
6

Best time to book a flight from Houston to London

Have a flexible travel schedule? Discover the best time to fly to London from Houston with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Houston to London

What is the cheapest month to book a flight from Houston to London?

Currently, January is the cheapest month in which you can book a flight from Houston to London (average of $362). Flying from Houston to London in November is currently the most expensive (average of $1,955). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from HOU to LON?

Find hourly flight availability from Houston to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 27, 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Houston to London as you normally would.

How much does it cost to fly round-trip from Houston to London?

How often are flights from Houston to London delayed?

About 22% of weekly flights between Houston and London have experienced delays in the past year, with the average delay time being 148 minutes.

What is the most punctual flight time for Houston to London flights?

Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Thursday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Houston to London flights?

Over the last year, British Airways have had the lowest number of delays on this route, with just 17% of flights being delayed.

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

The best time to book flights from Houston to London is 39 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

The best insider tips for Houston to London flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Houston to London trip
Our travel experts
Evie Carrick

Evie Carrick

Expert on IAH

Evie Carrick is a writer and editor who has lived in five countries and traveled to over 50, with extensive experience flying around the world. She was born in Colorado, but has spent time flying to both coasts to visit family. She writes regularly for Travel + Leisure, BuzzFeed, and SKI and recently published seven travel journals with Simon & Schuster.

Ramsey Qubein

Ramsey Qubein

Expert on LHR

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to London. Reviews last updated June 27, 2026.
Peruse reviews from past customers who have flown with United Airlines,American Airlines, andIberia from Houston to London to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Comfort

7.3

Crew

8.1

Entertainment

7.1

Boarding

7.7

Food

6.6

Overall

7.4

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

Comfort

7.3

Crew

8.1

Entertainment

7.1

Boarding

7.7

Food

6.6

Overall

7.4

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

Comfort

7.3

Crew

8.1

Entertainment

7.1

Boarding

7.7

Food

6.6

Overall

7.4

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

Comfort

7.3

Crew

8.1

Entertainment

7.1

Boarding

7.7

Food

6.6

Overall

7.4

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

Comfort

7.3

Crew

8.1

Entertainment

7.1

Boarding

7.7

Food

6.6

Overall

7.4

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

Comfort

7.3

Crew

8.1

Entertainment

7.1

Boarding

7.7

Food

6.6

Overall

7.4

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

Related info for your journey

Find useful and relevant information for your journey from Houston to London. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • How long is the flight from Houston to London?

    Departing from Houston to London will take you 14h 55m. Houston and London are separated by a distance of 4855 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Houston to London round-trip?

    JetBlue, at $101, was found to be the cheapest airline from Houston to London.Alternate airlines to your destination round-trip include Lufthansa and Virgin Atlantic. JetBlue is currently priced 87% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Houston to London one-way?

    $358 is the cheapest one-way deal found within the past few days, from British Airways. You may also be able to find cheap deals on United Airlines and Lufthansa, with prices starting from $362 and $362, respectively.

  • What are the most popular routes from Houston to London?

  • Can I find deals for flights from Houston to London that include hotel bookings?

    Yes. In addition to deals on Houston to London flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Houston to London?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Houston to London.

  • Can I find deals for business class flights from Houston to London?

    Yes. Cheapflights offers flight deals from Houston to London by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Houston to London?

    Currently, January is the cheapest month in which you can book a flight from Houston to London (average of $362). Flying from Houston to London in November is currently the most expensive (average of $1,955). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Ilford
Dorking
Hounslow
Winchester
Croydon
Gatwick
Southend-on-Sea
Wembley
Harrow
Eastleigh
Dartford
Dover
Orpington
Watford
Chipping Norton
Hayes
Kingston upon Thames
Eastbourne
Slough
Stansted

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 10 airlines flying from Houston to London

Discover the top 10 airlines that operate flights from Houston to London. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$101Average$783FlexibilityNo cancel feeOn-time62%
LufthansaCheapest$384Average$1,117FlexibilityNo cancel feeOn-time76%
Virgin AtlanticCheapest$497Average$807FlexibilityNo cancel feeOn-time72%
American AirlinesCheapest$499Average$766FlexibilityNo cancel feeOn-time71%
Air CanadaCheapest$521Average$892FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$524Average$905FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$535Average$853FlexibilityNo cancel feeOn-time70%
IberiaCheapest$538Average$824FlexibilityNo cancel feeOn-time77%
FinnairCheapest$540Average$844FlexibilityNo cancel feeOn-time76%
KLMCheapest$572Average$915FlexibilityNo cancel feeOn-time75%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.