Cheap flights from George Bush Intcntl (IAH) to London (LON) from $258

This is the cheapest one-way flight price, found on 6/5. Prices may vary by date and flight preferences.
IAH — LON
Jun 11 — Jun 181

The best prices from Houston George Bush Intcntl to London are usually found in February or April, booked 60 days in advance, depart on a Tuesday or Wednesday and return on a Thursday

How to find the cheapest flight from George Bush Intcntl (IAH) to London (LON)

All the information you need to plan the best IAH to LON flight in 2023: compare George Bush Intcntl to London flight prices with the expected peak season, weather and rainfall in London.

Popular in

July

Cheapest in

February

Round-trip from

$633

One-way from

$273
High demand for flights, 29% potential price rise
Best time to find cheap flights, 25% potential price drop
From Houston George Bush Intcntl to London (LON)
One-way flight from Houston George Bush Intcntl to London (LON)

IAH - LON

Price

$633 - $1,115

LON

Temperature

39.2 - 62.6 °F

LON

Rainfall

1.6 - 2.8 inches

Cheap flights from George Bush Intcntl to London in June, July 2023

The best prices found for IAH to LON flights for June, July
These are some of the best deals we've found on flights to London in 2023 at this time. If these deals don't appeal to you, be sure to come back soon for more options.

George Bush Intcntl to London 2023 flight deals

Cheap flights to London from George Bush Intcntl found for this year
These are some of the best deals we've found on flights to London in 2023 at this time. If these deals don't appeal to you, be sure to come back soon for more options.

Cheap Finnair flights from George Bush Intcntl to London

Take a look at some of the lowest-priced Finnair flights heading from Houston to London. Make sure to double check the flight details before booking.
  • If you’re traveling from Houston George Bush Intcntl Airport to London, one of the more common airlines traveling that route is Finnair. Houston George Bush Intcntl Airport to London flights are typically 53% cheaper than other airlines traveling the same route. Flights from Finnair typically cost $1,186.35 RT. The cheapest Finnair flight found for this route was $738. Houston George Bush Intcntl Airport is the most common Houston George Bush Intcntl Airport airport to take off from when flying to London. London Heathrow Airport is the most popular arrival airport in London. When flying from Houston George Bush Intcntl Airport to London, Finnair flights are 3% more popular than any other airline flying that same route.

Cheap British Airways flights from George Bush Intcntl to London

To aid your search, here are some of the cheapest British Airways flights we've found from Houston to London. Make sure to examine the flight information before completing your reservation.
  • British Airways is one of the most popular airlines used for those traveling from Houston George Bush Intcntl Airport to London. Flights on this route from British Airways typically cost $917.72 RT, a price that is 70% more expensive than the average Houston George Bush Intcntl Airport to London flight. The cheapest flight found was $619 RT. The most popular departure airport in Houston George Bush Intcntl Airport when flying to London is Houston George Bush Intcntl Airport. The most popular airport to fly into when visiting London is London Heathrow Airport. When flying from Houston George Bush Intcntl Airport to London, British Airways flights are 0% more popular than any other airline flying that same route.

Non-stop flights to London from George Bush Intcntl

Save time with George Bush Intcntl to London direct flight deals
Consider booking one of these non-stop flights heading from Houston to London. Users can also choose from other Houston to London flights by using the search form above.

Last minute flights from George Bush Intcntl to London

Late deals on return flights to London from George Bush Intcntl, departing today and this week
Have a look at some of the flights available from Houston to London departing last-minute. It's wise to confirm all flight details are correct before booking.

One-way flights to London from George Bush Intcntl

The cheapest one-way flights from George Bush Intcntl to London
Take a look at some of the best available options we've come across on one-way flights from Houston to London. Users can also find round-trip Houston to London flights by using the search form above.

Find flights from George Bush Intcntl to London within your budget

Use the slider to find flights from George Bush Intcntl to London that fit your budget.

Fly from

Any airport

Fly to

Any airport

Budget

$608 - $685

Route

Depart

Return

Price

Houston George Bush IntcntlLondon Gatwick

IAH - LGW

IAHLGW

Houston George Bush Intcntl

Tue 8/15

1 stop15h 46m

London Gatwick

Wed 9/13

1 stop33h 05m

Houston George Bush IntcntlLondon Heathrow

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Mon 8/14

1 stop17h 22m

London Heathrow

Thu 9/14

2 stops19h 39m

Houston George Bush IntcntlLondon Heathrow

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Mon 8/14

1 stop11h 06m

London Heathrow

Thu 9/14

1 stop12h 55m

Houston George Bush IntcntlLondon Heathrow

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Tue 8/15

Nonstop9h 10m

London Heathrow

Wed 9/13

2 stops37h 23m

Houston George Bush IntcntlLondon Heathrow

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Wed 9/13

2 stops20h 05m

London Heathrow

Thu 9/21

2 stops20h 04m

Houston George Bush IntcntlLondon Heathrow

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Mon 8/14

1 stop15h 08m

London Heathrow

Tue 8/22

2 stops28h 31m

Houston George Bush IntcntlLondon Heathrow

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Thu 10/12

1 stop14h 20m

London Heathrow

Thu 10/19

Nonstop10h 15m

Houston George Bush IntcntlLondon Gatwick

IAH - LGW

IAHLGW

Houston George Bush Intcntl

Wed 8/16

2 stops19h 32m

London Gatwick

Thu 9/14

2 stops19h 07m

Houston George Bush IntcntlLondon City

IAH - LCY

IAHLCY

Houston George Bush Intcntl

Wed 8/16

1 stop12h 10m

London City

Wed 9/6

1 stop22h 40m

Flights are sorted by cheapest first

Deals found on 6/5

Reviews of airlines servicing London

To help decide which airline to fly from Houston to London, see what other customers have to say about Finnair, British Airways and American Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
2,393 reviews

Boarding

8.1

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.8

Food

7.2

Reviews

1 / 10

Everyone very pleasant. My assistance was there for me. Flights were on time . What more could there be?? I was very pleased..

Delta
8.0
Very good
2,393 reviews
Delta
8.0
Very good
2,393 reviews

Boarding

8.1

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.8

Food

7.2

Reviews

1 / 10

Everyone very pleasant. My assistance was there for me. Flights were on time . What more could there be?? I was very pleased..

SWISS
7.6
Good
354 reviews
Delta
8.0
Very good
2,393 reviews

Boarding

8.1

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.8

Food

7.2

Reviews

1 / 10

Everyone very pleasant. My assistance was there for me. Flights were on time . What more could there be?? I was very pleased..

KLM
7.6
Good
160 reviews
Delta
8.0
Very good
2,393 reviews

Boarding

8.1

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.8

Food

7.2

Reviews

1 / 10

Everyone very pleasant. My assistance was there for me. Flights were on time . What more could there be?? I was very pleased..

Finnair
7.4
Good
281 reviews
Delta
8.0
Very good
2,393 reviews

Boarding

8.1

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.8

Food

7.2

Reviews

1 / 10

Everyone very pleasant. My assistance was there for me. Flights were on time . What more could there be?? I was very pleased..

American Airlines
7.3
Good
2,149 reviews
Delta
8.0
Very good
2,393 reviews

Boarding

8.1

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.8

Food

7.2

Reviews

1 / 10

Everyone very pleasant. My assistance was there for me. Flights were on time . What more could there be?? I was very pleased..

Related info for your journey

Useful info, stats and facts about George Bush Intcntl to London flights.

Alternative routes for George Bush Intcntl to London

See prices for flight routes from nearby airports that may be better suited for you.

Top 10 airlines flying from George Bush Intcntl to London

The chart below displays the airlines Cheapflights users traveling from George Bush Intcntl to London choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-timeCOVID-19 safety
FinnairCheapest$619Average$918FlexibilityNo cancel feeOn-time76%COVID-19 safety
Search Finnair flights
IberiaCheapest$644Average$949FlexibilityNo cancel feeOn-time77%COVID-19 safety
Search Iberia flights
Virgin AtlanticCheapest$645Average$898FlexibilityNo cancel feeOn-time72%COVID-19 safety
Search Virgin Atlantic flights
KLMCheapest$656Average$1,032FlexibilityNo cancel feeOn-time75%COVID-19 safety
Search KLM flights
British AirwaysCheapest$675Average$1,162FlexibilityNo cancel feeOn-time70%COVID-19 safety
Search British Airways flights
American AirlinesCheapest$676Average$1,042FlexibilityNo cancel feeOn-time71%COVID-19 safety
Search American Airlines flights
Air FranceCheapest$680Average$954FlexibilityNo cancel feeOn-time77%COVID-19 safety
Search Air France flights
DeltaCheapest$691Average$1,149FlexibilityNo cancel feeOn-timeN/ACOVID-19 safety
Search Delta flights
JetBlueCheapest$692Average$1,108FlexibilityNo cancel feeOn-time62%COVID-19 safety
Search JetBlue flights
United AirlinesCheapest$738Average$1,186FlexibilityNo cancel feeOn-time69%COVID-19 safety
Search United Airlines flights

Hourly flight availability from George Bush Intcntl to London

See what time of day planes typically take off from George Bush Intcntl to London
1%of flight departuresEarly morningMidnight to 6 am
0%of flight departuresMorning6 am to noon
42%of flight departuresAfternoonNoon to 6 pm
57%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

Weekly flight availability from George Bush Intcntl to London

See how many times per day planes take to the skies headed from George Bush Intcntl to London
Sunday17daily flights
Monday22daily flights
Tuesday22daily flights
Wednesday22daily flights
Thursday17daily flights
Friday22daily flights
Saturday22daily flights
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.