Heathrow

$512+ Cheap flights from Houston to Heathrow (LHR)

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 7/19. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — LHR
Jul 6 — Jul 131
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Houston to Heathrow 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 Heathrow

Cheapest flights from Houston to Heathrow
Explore the most affordable flight options available from Houston to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 6, 2026.

This United Airlines deal was found by Cheapflights users on 6/1. 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.
Tue 10/134:35 pm
IAH
-
LHR
Nonstop9h 20m
United Airlines
Mon 10/192:10 pm
LHR
-
IAH
1 stop13h 42m
United Airlines
Deal found 6/1$945
This KAYAK deal was found by Cheapflights users on 6/1. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/54:25 pm
IAH
-
LHR
Nonstop9h 20m
Brussels Airlines
Tue 8/1810:00 am
LHR
-
IAH
Nonstop10h 20m
Brussels Airlines
Deal found 6/1$946
This British Airways deal was found by Cheapflights users on 6/1. 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.
Mon 7/69:10 pm
IAH
-
LHR
Nonstop9h 15m
British Airways
Tue 8/182:45 pm
LHR
-
IAH
Nonstop10h 30m
British Airways
Deal found 6/1$947
This United Airlines deal was found by Cheapflights users on 6/1. 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.
Fri 7/34:35 pm
IAH
-
LHR
Nonstop9h 20m
United Airlines
Tue 8/257:25 am
LHR
-
IAH
1 stop15h 05m
United Airlines
Deal found 6/1$948
This Air Canada deal was found by Cheapflights users on 6/2. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/910:00 am
IAH
-
LHR
1 stop14h 30m
Air Canada
Wed 10/2112:05 pm
LHR
-
IAH
1 stop15h 47m
Air Canada
Deal found 6/2$949
This oojo deal was found by Cheapflights users on 6/2. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/56:14 pm
HOU
-
LHR
1 stop32h 46m
British Airways
Sun 9/208:55 am
LHR
-
HOU
1 stop14h 47m
British Airways
Deal found 6/2$949
This Delta deal was found by Cheapflights users on 6/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/65:40 pm
IAH
-
LHR
1 stop13h 25m
Delta
Sat 8/226:15 am
LHR
-
IAH
1 stop13h 25m
Delta
Deal found 6/1$950
This Cheapflightsfares deal was found by Cheapflights users on 6/2. 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.
Fri 8/213:35 pm
IAH
-
LHR
1 stop17h 05m
Lufthansa
Mon 8/247:30 pm
LHR
-
IAH
2 stops27h 49m
Lufthansa
Deal found 6/2$951
This Delta deal was found by Cheapflights users on 6/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/11:13 pm
HOU
-
LHR
1 stop12h 02m
Delta
Mon 9/711:15 am
LHR
-
HOU
1 stop16h 50m
Delta
Deal found 6/1$951
This KLM deal was found by Cheapflights users on 6/1. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/35:40 pm
IAH
-
LHR
1 stop13h 25m
KLM
Tue 8/256:30 am
LHR
-
IAH
1 stop12h 50m
KLM
Deal found 6/1$953
This CheapOair deal was found by Cheapflights users on 6/1. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/286:10 pm
IAH
-
LHR
1 stop35h 40m
Air Canada
Sat 12/56:00 am
LHR
-
IAH
2 stops21h 39m
Air Canada
Deal found 6/1$954
This Cheapflightsfares deal was found by Cheapflights users on 6/1. 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.
Sun 8/99:05 pm
IAH
-
LHR
Nonstop9h 20m
British Airways
Mon 8/179:10 am
LHR
-
IAH
Nonstop10h 15m
British Airways
Deal found 6/1$955

Find flight deals from Houston to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Houston (HO1) to Heathrow (LHR). 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 6, 2026.

Round-trip from

$945
(oojo)

One-way from

$512
(United Airlines)

Popular in

June

Cheapest in

February

Average price

$1,277
From Houston to London Heathrow
One-way flight from Houston to London Heathrow
Highest demand for flights based on searches. 25% potential increase in price ($292 potential increase over avg. RT price).
Cheapest flight prices on average. 5% potential price decrease ($40 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 Heathrow 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 6, 2026.
Use the filters below to find and compare flights from Houston to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Fri 7/24

3:27 pm-1:45 pm

2 stops16h 18m

London Heathrow

Tue 8/11

3:25 pm-1:40 pm

1 stop28h 15m

$968

HoustonLondon

HOU - LHR

HOULHR

Houston Hobby

Fri 8/21

1:13 pm-6:25 am

1 stop11h 12m

London Heathrow

Mon 8/24

8:40 am-10:05 pm

2 stops19h 25m

$973

HoustonLondon

HOU - LHR

HOULHR

Houston Hobby

Fri 9/4

10:48 am-1:15 pm

1 stop20h 27m

London Heathrow

Sat 9/12

11:15 am-9:35 pm

1 stop16h 20m

$1,002

HoustonLondon

HOU - LHR

HOULHR

Houston Hobby

Fri 10/16

10:05 am-8:50 am

2 stops16h 45m

London Heathrow

Sun 10/25

8:55 am-9:43 pm

1 stop17h 48m

$1,006

HoustonLondon

HOU - LHR

HOULHR

Houston Hobby

Mon 11/2

6:00 am-6:25 am

1 stop18h 25m

London Heathrow

Mon 11/9

10:10 am-9:43 pm

2 stops17h 33m

$1,036

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Thu 8/20

4:14 pm-9:40 pm

2 stops23h 26m

London Heathrow

Sun 8/23

6:40 am-9:20 pm

3 stops20h 40m

$1,128

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Wed 11/18

1:15 pm-4:25 pm

3 stops21h 10m

London Heathrow

Wed 11/25

7:05 am-11:58 pm

3 stops22h 53m

$1,178

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Sun 9/20

11:45 am-10:55 pm

2 stops29h 10m

London Heathrow

Wed 10/21

6:00 am-10:55 am

2 stops34h 55m

$1,200

HoustonLondon

HOU - LHR

HOULHR

Houston Hobby

Wed 7/22

12:55 pm-9:15 am

2 stops14h 20m

London Heathrow

Mon 7/27

9:20 am-9:51 pm

1 stop18h 31m

$1,217

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Sun 7/19

10:57 am-5:55 am

1 stop12h 58m

London Heathrow

Sat 8/1

9:30 am-5:10 pm

1 stop13h 40m

$1,225

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/2

Showing 1-10 of 41 resultsSorted by cheapest first
1
2
3
...
5

Best time to book a flight from Houston to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow 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 Heathrow Airport

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

Currently, August is the cheapest month in which you can book a flight from Houston to London Heathrow Airport (average of $101). Flying from Houston to London Heathrow Airport in June is currently the most expensive (average of $631). 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 LHR?

Find hourly flight availability from Houston to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 6, 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 Heathrow Airport as you normally would.

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

How often are flights from Houston to London delayed?

About 23% of weekly flights between Houston and London have experienced delays in the past year, with the average delay time being 149 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?

Saturday 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 18% of flights being delayed.

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

The price you pay for your flight from Houston to London Heathrow Airport may vary depending on when you book. For the best chance of a lower fare, look to book 60 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

The best insider tips for Houston to London Heathrow Airport 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 Heathrow Airport 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 Heathrow

Get insights into the airlines that provide service to Heathrow. 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 Heathrow. Reviews last updated June 6, 2026.
Read reviews from past customers who have flown United Airlines,American Airlines, andIberia from Houston to London Heathrow Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Overall

7.4

Crew

8.1

Food

6.6

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Overall

7.4

Crew

8.1

Food

6.6

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Overall

7.4

Crew

8.1

Food

6.6

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Overall

7.4

Crew

8.1

Food

6.6

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Overall

7.4

Crew

8.1

Food

6.6

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Overall

7.4

Crew

8.1

Food

6.6

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.

Related info for your journey

Find useful and relevant information for your journey from Houston to Heathrow. 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 Heathrow Airport?

    Delta, Virgin Atlantic, and Scandinavian Airlines can get you from Houston to London Heathrow Airport in just under 16h 18m. Your travel time can differ by up to 7h 08m. Airlines will cover a distance of 4820 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    JetBlue, at $101, was found to be the cheapest airline from Houston to London Heathrow Airport.Alternate airlines to your destination round-trip include Lufthansa and Virgin Atlantic. Users have found that JetBlue is 87% cheaper than the other options available to this destination.

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

    The cheapest airline one-way is United Airlines, with whom users have recently found tickets for as low as $362. However, be on the lookout for offers from Lufthansa and British Airways, as they are both options that can get you from Houston to London Heathrow Airport for a low price.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Houston to Heathrow 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 Heathrow Airport?

    Currently, August is the cheapest month in which you can book a flight from Houston to London Heathrow Airport (average of $101). Flying from Houston to London Heathrow Airport in June is currently the most expensive (average of $631). 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 Heathrow Airport?

Book flights to London Heathrow Airport 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
Northampton
Chipping Norton
Hayes
Kingston upon Thames
Eastbourne
Slough

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 Heathrow

Discover the top 10 airlines that operate flights from Houston to Heathrow. 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 6, 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$101Average$783FlexibilityNo cancel feeOn-time62%
LufthansaCheapest$384Average$1,103FlexibilityNo cancel feeOn-time76%
Virgin AtlanticCheapest$497Average$799FlexibilityNo cancel feeOn-time72%
Air CanadaCheapest$521Average$892FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$522Average$817FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$523Average$883FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$535Average$869FlexibilityNo cancel feeOn-time70%
FinnairCheapest$540Average$827FlexibilityNo cancel feeOn-time76%
KLMCheapest$572Average$915FlexibilityNo cancel feeOn-time75%
IberiaCheapest$580Average$824FlexibilityNo cancel feeOn-time77%

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.