What are the cheapest airlines flying from Houston George Bush Intcntl Airport to London round-trip?

British Airways, at $668, was found to be the cheapest airline from Houston George Bush Intcntl Airport to London.Alternate airlines to your destination round-trip include Iberia and United Airlines. These flights start at 17% lower than the current average price 3 months from now.

What are the cheapest airlines to fly from Houston George Bush Intcntl Airport to London one-way?

For one-way options, check prices for WestJet. According to our data, you can fly for as low as $291. Users have also found prices from $374 and $398 on JetBlue and Delta, respectively.

In terms of precipitation, rainfall in London ranges from 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. July is typically the driest time to visit London when rainfall is around 1.6 in.

If weather is an important factor for your trip to London, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

What are the most popular routes from Houston George Bush Intcntl Airport to London?

When deciding which route to take from Houston George Bush Intcntl Airport to London consider Houston George Bush Intcntl - London Heathrow, Houston George Bush Intcntl - London Gatwick or Houston George Bush Intcntl - London City as they are the most popular.

What are the cheapest flights from Houston George Bush Intcntl Airport to London?

Looking at all options, your cheapest flight can be booked for $393. While the most popular route (Houston George Bush Intcntl - London Heathrow) can be booked for $604 on average our data indicates $2,903 when flying from Houston George Bush Intcntl Airport to London.

What are the most reliable airlines from Houston George Bush Intcntl Airport to London?

Consider American Airlines (75%), Aer Lingus (75%) or Finnair (75%) when booking your flight. These represent the most reliable airlines when flying from Houston George Bush Intcntl Airport to London.

What are the most popular airlines that fly from Houston George Bush Intcntl Airport to London?

When booking a flight from Houston George Bush Intcntl Airport to London, you may want to consider flying on American Airlines, Air Canada or Finnair as they are the most popular for this route.

What is the cheapest day to fly round-trip from Houston George Bush Intcntl Airport to London?

Friday flights are generally found to be more expensive for flights from Houston George Bush Intcntl Airport to London. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to London.

What is the cheapest month to fly from Houston George Bush Intcntl Airport to London?

October is one of the best times of the year to fly to London from Houston George Bush Intcntl Airport. Prices for October average $788 per person but you can even find prices for as low as $558. The most expensive prices can be found in the month of June. Opting for a October flight can save you 55% on your journey compared to booking in June

Can I find deals for flights from George Bush Intcntl to London that include hotel bookings?

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

How can I find direct flights from George Bush Intcntl to London?

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

Can I find deals for business class flights from George Bush Intcntl to London?

Yes. Cheapflights offers flight deals from George Bush Intcntl 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.

$256+ Flights from Houston George Bush Intcntl Airport to London

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1. Tell us where you want to go

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Cheapflights Tip: The best prices from Houston George Bush Intcntl to London are usually found in October or April, booked 33 days in advance, depart on a Wednesday or Tuesday and return on a Sunday

Cheap flight deals from George Bush Intcntl to London

Round-trip from	$668 (Expedia)
One-way from	$260 (Kiwi.com)
Popular in	June
Cheapest in	October
Average price	$1,230
Good round-trip deal	$708 or less
Good one-way deal	$492 or less

From Houston George Bush Intcntl to London (LON)

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One-way flight from Houston George Bush Intcntl to London (LON)

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Highest demand for flights based on searches. 25% potential increase in price ($276 potential increase over avg. RT price).

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Cheapest flight prices on average. 4% potential price decrease ($38 potential savings vs. average RT price).

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Average for round-trip flights in June 2025

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Price to beat on a round-trip flight from Houston George Bush Intcntl to London (LON).

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Price to beat on a one-way flight from Houston George Bush Intcntl to London (LON).

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Find flight deals from George Bush Intcntl to London

Cheapest flights from George Bush Intcntl to London
Explore the most affordable flight options available from George Bush Intcntl to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 30, 2025.

Tue 8/195:45 amIAH - LGW

1 stop22h 15mMultiple Airlines

Thu 8/2810:00 amLGW - IAH

1 stop16h 18mMultiple Airlines

Deal found 6/30

$669

Fri 8/111:51 amIAH - LHR

1 stop12h 49mBritish Airways

Fri 8/222:50 pmLHR - IAH

Nonstop10h 25mBritish Airways

Deal found 6/28

$680

Thu 8/148:15 pmIAH - LHR

Nonstop9h 20mUnited Airlines

Thu 8/217:25 amLHR - IAH

1 stop15h 00mUnited Airlines

Deal found 6/30

$681

Wed 8/1310:00 amIAH - LHR

1 stop18h 00mAir Canada

Wed 8/206:50 amLHR - IAH

2 stops18h 46mAir Canada

Deal found 6/29

$682

Tue 7/223:30 pmIAH - LHR

Nonstop9h 10mIberia

Tue 7/299:15 amLHR - IAH

1 stop20h 09mIberia

Deal found 6/28

$683

Sun 8/36:45 amIAH - LHR

2 stops30h 10mMultiple Airlines

Tue 8/198:50 amLHR - IAH

2 stops26h 10mMultiple Airlines

Deal found 6/29

$685

Mon 8/183:16 pmIAH - LHR

1 stop11h 39mDelta

Fri 8/2211:30 amLHR - IAH

2 stops18h 26mDelta

Deal found 6/30

$695

Fri 7/251:07 pmIAH - LGW

2 stops38h 53mAir France

Fri 8/812:00 pmLGW - IAH

2 stops17h 51mAir France

Deal found 6/29

$705

Wed 8/63:35 pmIAH - LCY

1 stop21h 00mLufthansa

Mon 8/185:00 pmLCY - IAH

1 stop26h 35mLufthansa

Deal found 6/28

$706

Tue 9/3012:00 pmIAH - LHR

2 stops36h 30mAustrian Airlines

Sat 10/1112:40 pmLHR - IAH

2 stops39h 34mAustrian Airlines

Deal found 6/29

$710

Tue 9/1612:15 pmIAH - LCY

2 stops38h 35mSWISS

Tue 9/239:25 amLCY - IAH

2 stops16h 48mSWISS

Deal found 6/29

$718

Mon 7/217:59 pmIAH - LHR

1 stop11h 31mVirgin Atlantic

Mon 7/283:15 pmLHR - IAH

1 stop14h 36mVirgin Atlantic

Deal found 6/29

$720

Best flights from George Bush Intcntl to London
Discover carefully curated flight deals from George Bush Intcntl to London that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 30, 2025.

Wed 8/209:00 pmIAH - LHR

Nonstop9h 20mBritish Airways

Tue 9/92:50 pmLHR - IAH

Nonstop10h 25mBritish Airways

Deal found 6/30

$668

Tue 8/195:45 amIAH - LGW

1 stop22h 15mMultiple Airlines

Thu 8/2810:00 amLGW - IAH

1 stop16h 18mMultiple Airlines

Deal found 6/30

$669

Wed 7/163:30 pmIAH - LHR

Nonstop9h 10mIberia

Mon 8/257:25 pmLHR - IAH

2 stops30h 41mIberia

Deal found 6/30

$672

Wed 7/3010:00 amIAH - LHR

1 stop18h 00mUnited Airlines

Tue 8/1210:00 amLHR - IAH

Nonstop10h 15mUnited Airlines

Deal found 6/30

$677

Wed 8/1310:00 amIAH - LHR

1 stop18h 00mAir Canada

Wed 8/206:50 amLHR - IAH

2 stops18h 46mAir Canada

Deal found 6/29

$682

Mon 8/411:42 amIAH - LHR

1 stop13h 33mDelta

Thu 8/146:15 amLHR - IAH

2 stops17h 19mDelta

Deal found 6/30

$683

Fri 7/251:07 pmIAH - LGW

2 stops38h 53mAir France

Fri 8/812:00 pmLGW - IAH

2 stops17h 51mAir France

Deal found 6/29

$705

Wed 8/63:35 pmIAH - LCY

1 stop21h 00mLufthansa

Mon 8/185:00 pmLCY - IAH

1 stop26h 35mLufthansa

Deal found 6/28

$706

Tue 9/1612:15 pmIAH - LCY

2 stops38h 35mSWISS

Wed 9/249:25 amLCY - IAH

2 stops16h 48mSWISS

Deal found 6/29

$718

Sun 8/33:30 pmIAH - LCY

1 stop11h 20mVirgin Atlantic

Tue 8/198:10 pmLCY - IAH

1 stop23h 05mVirgin Atlantic

Deal found 6/29

$723

Sat 10/410:14 amIAH - LGW

2 stops16h 21mAmerican Airlines

Sat 10/1112:20 pmLGW - IAH

2 stops16h 34mAmerican Airlines

Deal found 6/28

$723

Tue 8/198:00 amIAH - LHR

2 stops21h 50mMultiple Airlines

Thu 8/288:30 amLHR - IAH

2 stops26h 30mMultiple Airlines

Deal found 6/30

$675

Last-minute flights from George Bush Intcntl to London
Discover last-minute flight deals from George Bush Intcntl to London. Data last updated June 30, 2025 and is based on user searches.

Sat 7/510:04 pmIAH - LGW

2 stops26h 51mMultiple Airlines

Tue 9/3010:00 amLGW - IAH

1 stop17h 02mMultiple Airlines

Deal found 6/30

$685

Mon 7/79:00 pmIAH - LHR

1 stop36h 05mTurkish Airlines

Sun 7/2011:20 amLHR - IAH

1 stop31h 20mTurkish Airlines

Deal found 6/28

$952

Mon 7/73:35 pmIAH - LCY

1 stop21h 00mLufthansa

Mon 8/47:10 pmLCY - IAH

1 stop24h 25mLufthansa

Deal found 6/29

$1,673

Mon 7/73:30 pmIAH - LCY

1 stop19h 50mVirgin Atlantic

Thu 8/77:45 amLCY - IAH

2 stops22h 06mVirgin Atlantic

Deal found 6/30

$1,767

Tue 7/88:49 pmIAH - LHR

3 stops31h 11mMultiple Airlines

Tue 7/156:00 amLHR - IAH

2 stops20h 31mMultiple Airlines

Deal found 6/28

$866

Tue 7/811:58 amIAH - LHR

1 stop12h 32mJetBlue

Wed 7/238:25 amLHR - IAH

1 stop32h 47mJetBlue

Deal found 6/29

$1,064

Tue 7/86:10 amIAH - LCY

3 stops29h 20mMultiple Airlines

Mon 7/211:40 pmLCY - IAH

3 stops25h 12mMultiple Airlines

Deal found 6/29

$1,531

Tue 7/88:00 amIAH - LTN

2 stops28h 15mMultiple Airlines

Mon 7/216:05 amLTN - IAH

2 stops22h 37mMultiple Airlines

Deal found 6/29

$1,795

Wed 7/97:15 amIAH - STN

3 stops34h 44mMultiple Airlines

Wed 7/162:40 pmSTN - IAH

3 stops39h 19mMultiple Airlines

Deal found 6/30

$1,106

Wed 7/96:01 amIAH - LCY

2 stops20h 29mAer Lingus

Wed 8/66:05 pmLCY - IAH

2 stops35h 14mAer Lingus

Deal found 6/29

$1,239

Wed 7/91:14 pmIAH - LHR

2 stops18h 41mAer Lingus

Wed 8/62:20 pmLHR - IAH

2 stops38h 59mAer Lingus

Deal found 6/29

$1,240

Thu 7/1011:58 amIAH - LHR

1 stop12h 32mTAP AIR PORTUGAL

Fri 7/188:25 amLHR - IAH

1 stop32h 25mTAP AIR PORTUGAL

Deal found 6/28

$1,237

One-way flights from George Bush Intcntl to London
Search for one-way flight options from George Bush Intcntl to London. Find affordable one-way fares based on user searches. Data last updated June 30, 2025.

Thu 7/316:00 amIAH - LGW

2 stops22h 00mMultiple Airlines

Deal found 6/30

$260

Thu 9/116:23 amIAH - LHR

2 stops23h 32mMultiple Airlines

Deal found 6/29

$280

Fri 8/2212:57 pmIAH - STN

2 stops43h 53mMultiple Airlines

Deal found 6/29

$281

Sun 10/53:00 pmIAH - LHR

1 stop15h 05mWestJet

Deal found 6/29

$291

Mon 7/216:45 amIAH - LTN

2 stops44h 30mMultiple Airlines

Deal found 6/28

$294

Tue 10/1411:02 pmIAH - SEN

2 stops39h 48mMultiple Airlines

Deal found 6/29

$294

Wed 9/35:45 amIAH - LCY

3 stops21h 05mMultiple Airlines

Deal found 6/28

$371

Wed 9/32:39 pmIAH - LGW

1 stop12h 56mJetBlue

Deal found 6/28

$374

Sun 9/75:20 amIAH - LGW

2 stops22h 40mDelta

Deal found 6/29

$398

Sun 9/287:23 pmIAH - LGW

2 stops18h 37mIberia

Deal found 6/28

$412

Wed 9/2412:15 pmIAH - LGW

2 stops23h 40mSWISS

Deal found 6/30

$418

Sun 9/2812:00 pmIAH - STN

2 stops25h 00mLufthansa

Deal found 6/30

$421

Cheapflights Fare Finder

Use the filters below to find and compare flights from Houston George Bush Intcntl Airport to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

HoustonLondon

IAH - LGW

IAHLGW

Houston George Bush Intcntl

Tue 8/19

5:45 am-10:00 am

1 stop22h 15m

London Gatwick

Thu 8/28

10:00 am-8:18 pm

1 stop16h 18m

$669

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Fri 8/1

11:51 am-6:40 am

1 stop12h 49m

London Heathrow

Fri 8/22

2:50 pm-7:15 pm

Nonstop10h 25m

$680

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Thu 8/14

8:15 pm-11:35 am

Nonstop9h 20m

London Heathrow

Thu 8/21

7:25 am-4:25 pm

1 stop15h 00m

$681

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Wed 8/13

10:00 am-10:00 am

1 stop18h 00m

London Heathrow

Wed 8/20

6:50 am-7:36 pm

2 stops18h 46m

$682

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Tue 7/22

3:30 pm-6:40 am

Nonstop9h 10m

London Heathrow

Tue 7/29

9:15 am-11:24 pm

1 stop20h 09m

$683

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Sun 8/3

6:45 am-6:55 pm

2 stops30h 10m

London Heathrow

Tue 8/19

8:50 am-5:00 am

2 stops26h 10m

$685

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Mon 8/18

3:16 pm-8:55 am

1 stop11h 39m

London Heathrow

Fri 8/22

11:30 am-11:56 pm

2 stops18h 26m

$695

HoustonLondon

IAH - LGW

IAHLGW

Houston George Bush Intcntl

Fri 7/25

1:07 pm-10:00 am

2 stops38h 53m

London Gatwick

Fri 8/8

12:00 pm-11:51 pm

2 stops17h 51m

$705

HoustonLondon

IAH - LCY

IAHLCY

Houston George Bush Intcntl

Wed 8/6

3:35 pm-6:35 pm

1 stop21h 00m

London City

Mon 8/18

5:00 pm-1:35 pm

1 stop26h 35m

$706

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Tue 9/30

12:00 pm-6:30 am

2 stops36h 30m

London Heathrow

Sat 10/11

12:40 pm-10:14 pm

2 stops39h 34m

$710

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/30

Showing 1-10 of 33 results

The best insider tips for Houston George Bush Intcntl Airport to London flights

Cheapflights partnered with top experts to bring you the best recommendations for your Houston George Bush Intcntl Airport to London trip

Airports

IAH

Check the IAH website for security wait times to ensure a smooth departure.

LHR

Take the Heathrow Express for the fastest route to central London from LHR.

Our travel experts

Evie Carrick

Expert on IAH

Ramsey Qubein

Expert on LHR

Best time to book a flight from George Bush Intcntl to London

Have a flexible travel schedule? Discover the best time to fly to London from George Bush Intcntl 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 George Bush Intcntl Airport to London

How far ahead should I book a flight from Houston George Bush Intcntl Airport to London?

Booking 33 days in advance of your planned departure date is, on average, the best time to get cheap flights from Houston George Bush Intcntl Airport to London. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Houston George Bush Intcntl Airport to London?

Currently, November is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to London (average of $661). Flying from Houston George Bush Intcntl Airport to London in June is currently the most expensive (average of $1,098). 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 IAH to LON?

When flying from Houston George Bush Intcntl Airport to London, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 12% versus a flight in the evening.

What is the cheapest day to fly from Houston George Bush Intcntl Airport to London?

Travelers seeking maximum savings on their Houston George Bush Intcntl Airport to London flight should consider departing on Saturday at noon when fares are most often at their lowest. Saturday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Houston George Bush Intcntl Airport to London

The most flights from IAH to LON are scheduled on a Monday (22 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (17 on average).

Reviews of airlines servicing London

Read reviews from past customers who have flown Delta, KLM, and Air France from Houston George Bush Intcntl Airport to London. 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.

Delta

8.0

Very good

7,973 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Delta

8.0

Very good

7,973 reviews

Delta

8.0

Very good

7,973 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

KLM

7.8

Good

1,365 reviews

Delta

8.0

Very good

7,973 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Air France

7.5

Good

1,471 reviews

Delta

8.0

Very good

7,973 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

SWISS

7.5

Good

1,654 reviews

Delta

8.0

Very good

7,973 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

United Airlines

7.4

Good

8,852 reviews

Delta

8.0

Very good

7,973 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

What are the cheapest airlines flying from Houston George Bush Intcntl Airport to London round-trip?
British Airways, at $668, was found to be the cheapest airline from Houston George Bush Intcntl Airport to London.Alternate airlines to your destination round-trip include Iberia and United Airlines. These flights start at 17% lower than the current average price 3 months from now.
What are the cheapest airlines to fly from Houston George Bush Intcntl Airport to London one-way?
For one-way options, check prices for WestJet. According to our data, you can fly for as low as $291. Users have also found prices from $374 and $398 on JetBlue and Delta, respectively.
What are the most popular routes from Houston George Bush Intcntl Airport to London?
When deciding which route to take from Houston George Bush Intcntl Airport to London consider Houston George Bush Intcntl - London Heathrow, Houston George Bush Intcntl - London Gatwick or Houston George Bush Intcntl - London City as they are the most popular.
What are the most reliable airlines from Houston George Bush Intcntl Airport to London?
Consider American Airlines (75%), Aer Lingus (75%) or Finnair (75%) when booking your flight. These represent the most reliable airlines when flying from Houston George Bush Intcntl Airport to London.
What are the cheapest flights from Houston George Bush Intcntl Airport to London?
Looking at all options, your cheapest flight can be booked for $393. While the most popular route (Houston George Bush Intcntl - London Heathrow) can be booked for $604 on average our data indicates $2,903 when flying from Houston George Bush Intcntl Airport to London.
Can I find deals for flights from George Bush Intcntl to London that include hotel bookings?
Yes. In addition to deals on George Bush Intcntl to London flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from George Bush Intcntl to London?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from George Bush Intcntl to London.
Can I find deals for business class flights from George Bush Intcntl to London?
Yes. Cheapflights offers flight deals from George Bush Intcntl 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 George Bush Intcntl Airport to London?
Currently, November is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to London (average of $661). Flying from Houston George Bush Intcntl Airport to London in June is currently the most expensive (average of $1,098). 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

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Canterbury

Harrow

Dover

Gatwick

Orpington

Watford

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Borehamwood

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Brentwood

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Dartford

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Alternative routes for George Bush Intcntl to London

Top 10 airlines flying from George Bush Intcntl to London

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$396	Average$895	FlexibilityNo cancel fee	On-timeN/A
Air Canada	Cheapest$574	Average$734	FlexibilityNo cancel fee	On-time67%
Iberia	Cheapest$580	Average$745	FlexibilityNo cancel fee	On-time77%
Finnair	Cheapest$581	Average$739	FlexibilityNo cancel fee	On-time76%
Virgin Atlantic	Cheapest$582	Average$819	FlexibilityNo cancel fee	On-time72%
American Airlines	Cheapest$589	Average$770	FlexibilityNo cancel fee	On-time71%
Lufthansa	Cheapest$612	Average$878	FlexibilityNo cancel fee	On-time76%
United Airlines	Cheapest$615	Average$912	FlexibilityNo cancel fee	On-time69%
British Airways	Cheapest$620	Average$903	FlexibilityNo cancel fee	On-time70%
Austrian Airlines	Cheapest$1,125	Average$1,343	FlexibilityNo cancel fee	On-time78%

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$256+ Cheap flights from George Bush Intcntl (IAH) 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 10/18. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from George Bush Intcntl to London with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Houston George Bush Intcntl to London are usually found in October or April, booked 33 days in advance, depart on a Wednesday or Tuesday and return on a Sunday

Cheap flight deals from George Bush Intcntl to London

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from George Bush Intcntl to London

Cheapest flights from George Bush Intcntl to LondonExplore the most affordable flight options available from George Bush Intcntl to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 30, 2025.

Explore the most affordable flight options available from George Bush Intcntl to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 30, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Houston George Bush Intcntl Airport to London that are best for you.

The best insider tips for Houston George Bush Intcntl Airport to London flights

Cheapflights partnered with top experts to bring you the best recommendations for your Houston George Bush Intcntl Airport to London trip

Airports

IAH

LHR

Our travel experts

Best time to book a flight from George Bush Intcntl to London

Have a flexible travel schedule? Discover the best time to fly to London from George Bush Intcntl with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Houston George Bush Intcntl Airport to London

How far ahead should I book a flight from Houston George Bush Intcntl Airport to London?

Use this chart to determine the optimal time to book a round-trip flight from George Bush Intcntl to London. Price data was last updated on June 27, 2025.

What is the cheapest month to book a flight from Houston George Bush Intcntl Airport to London?

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

Find hourly flight availability from George Bush Intcntl 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 30, 2025.

What is the cheapest day to fly from Houston George Bush Intcntl Airport to London?

Use this chart to determine the cheapest time to fly round-trip from George Bush Intcntl to London. Price data was last updated on June 23, 2024.

Weekly flight availability from Houston George Bush Intcntl Airport to London

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 30, 2025.

Read reviews from past customers who have flown Delta, KLM, and Air France from Houston George Bush Intcntl Airport to London. 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.

Related info for your journey

Find useful and relevant information for your journey from George Bush Intcntl to London. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What are the cheapest airlines flying from Houston George Bush Intcntl Airport to London round-trip?

What are the cheapest airlines to fly from Houston George Bush Intcntl Airport to London one-way?

What are the most popular routes from Houston George Bush Intcntl Airport to London?

What are the most reliable airlines from Houston George Bush Intcntl Airport to London?

What are the cheapest flights from Houston George Bush Intcntl Airport to London?

Can I find deals for flights from George Bush Intcntl to London that include hotel bookings?

How can I find direct flights from George Bush Intcntl to London?

Can I find deals for business class flights from George Bush Intcntl to London?

What is the cheapest month to book a flight from Houston George Bush Intcntl Airport to London?

Traveling to a place near Houston George Bush Intcntl Airport?

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Alternative routes for George Bush Intcntl to London

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Top 10 airlines flying from George Bush Intcntl to London

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Cheapest flights from George Bush Intcntl to London
Explore the most affordable flight options available from George Bush Intcntl to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 30, 2025.