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Cheap flights from Houston George Bush Intcntl Airport to London Heathrow Airport from £226

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Houston George Bush Intcntl Airport to London Heathrow Airport departing on 5/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap return flights

KAYAK's recommended return flight deals from the most popular airlines that fly from Houston George Bush Intcntl Airport to London.
Iberia Logo
13:29 - 07:20IAH-LHR
11h 51m1 stop
Iberia Logo
14:50 - 19:15LHR-IAH
10h 25mdirect
£242Iberia
Find Deal
Thu, 8 May - Fri, 16 May
British Airways Logo
12:51 - 06:40IAH-LHR
11h 49m1 stop
British Airways Logo
09:20 - 13:35LHR-IAH
10h 15mdirect
£272British Airways
Find Deal
Thu, 8 May - Sat, 17 May
Iberia Logo
21:00 - 12:20IAH-LHR
9h 20mdirect
Iberia Logo
14:50 - 19:15LHR-IAH
10h 25mdirect
£437Iberia
Find Deal
Wed, 24 Sep - Wed, 1 Oct
Virgin Atlantic Logo
18:38 - 13:10IAH-LHR
12h 32m1 stop
Virgin Atlantic Logo
06:15 - 13:35LHR-IAH
13h 20m1 stop
£442Virgin Atlantic
Find Deal
Wed, 30 Apr - Wed, 7 May
Lufthansa Logo
12:11 - 06:45IAH-LHR
12h 34m1 stop
Lufthansa Logo
10:00 - 14:20LHR-IAH
10h 20mdirect
£455Lufthansa
Find Deal
Wed, 30 Apr - Wed, 7 May
United Airlines Logo
20:10 - 11:35IAH-LHR
9h 25mdirect
United Airlines Logo
07:25 - 16:35LHR-IAH
15h 10m1 stop
£468United Airlines
Find Deal
Sun, 4 May - Fri, 16 May
United Airlines Logo
20:10 - 11:35IAH-LHR
9h 25mdirect
United Airlines Logo
07:25 - 16:35LHR-IAH
15h 10m1 stop
£469United Airlines
Find Deal
Wed, 30 Apr - Wed, 7 May
Virgin Atlantic Logo
18:38 - 13:10IAH-LHR
12h 32m1 stop
Virgin Atlantic Logo
19:15 - 13:15LHR-IAH
24h 00m1 stop
£474Virgin Atlantic
Find Deal
Mon, 21 Apr - Mon, 28 Apr
Lufthansa Logo
14:50 - 09:40IAH-LHR
12h 50m1 stop
Lufthansa Logo
10:00 - 14:20LHR-IAH
10h 20mdirect
£493Lufthansa
Find Deal
Mon, 21 Apr - Mon, 28 Apr
British Airways Logo
15:25 - 06:40IAH-LHR
9h 15mdirect
British Airways Logo
14:50 - 19:15LHR-IAH
10h 25mdirect
£501British Airways
Find Deal
Mon, 5 May - Tue, 13 May

Air Canada flights from Houston George Bush Intcntl Airport to London Heathrow Airport

Our best Air Canada deals on Houston George Bush Intcntl Airport to London Heathrow Airport flight tickets
Air Canada
27 Apr
IAH09:30Houston George Bush Intcntl
18h 30m
1 stop
LHR10:00London Heathrow
13 May
LHR06:50London Heathrow
19h 06m
2 stops
IAH19:56Houston George Bush Intcntl
Air Canada
27 Apr
IAH09:30Houston George Bush Intcntl
18h 30m
1 stop
LHR10:00London Heathrow
13 May
LHR06:50London Heathrow
19h 06m
2 stops
IAH19:56Houston George Bush Intcntl
Air Canada
27 Apr
IAH09:30Houston George Bush Intcntl
18h 30m
1 stop
LHR10:00London Heathrow
13 May
LHR09:30London Heathrow
16h 26m
1 stop
IAH19:56Houston George Bush Intcntl

Delta flights from Houston George Bush Intcntl Airport to London Heathrow Airport

Our best Delta deals on Houston George Bush Intcntl Airport to London Heathrow Airport flight tickets
Delta
27 Apr
IAH07:05Houston George Bush Intcntl
17h 40m
1 stop
LHR06:45London Heathrow
8 May
LHR06:15London Heathrow
13h 20m
1 stop
IAH13:35Houston George Bush Intcntl
Delta
12 May
IAH09:40Houston George Bush Intcntl
15h 05m
1 stop
LHR06:45London Heathrow
22 May
LHR06:30London Heathrow
12h 45m
1 stop
IAH13:15Houston George Bush Intcntl
Delta
27 Apr
IAH18:32Houston George Bush Intcntl
12h 58m
1 stop
LHR13:30London Heathrow
7 May
LHR11:30London Heathrow
17h 27m
2 stops
IAH22:57Houston George Bush Intcntl

See travel insights to London from

How to get the cheapest flight ticket from Houston George Bush Intcntl Airport to London Heathrow Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to London Heathrow Airport?

In general, October is the cheapest month to fly from Houston George Bush Intcntl Airport to London Heathrow Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £524. The month of February is another great option to travel to London Heathrow Airport, with average flight prices from Houston George Bush Intcntl Airport averaging around £530.

What is the cheapest day to depart on your flight to London Heathrow Airport?

On average, the least expensive day to fly to London Heathrow Airport from Houston George Bush Intcntl Airport is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as £517. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to London Heathrow Airport on Saturday is £892.

What is the cheapest time of day to depart on your flight to London Heathrow Airport?

According to our data, the cheapest time of day to fly to London Heathrow Airport is in the morning. momondo users have found flights departing from Houston George Bush Intcntl Airport to London Heathrow Airport in the morning for as low as £579. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are £677 on average. Flights to London Heathrow Airport from Houston George Bush Intcntl Airport in the evening are generally more expensive because this time of day is more convenient for travellers’ schedules.

What is the cheapest Houston George Bush Intcntl to London Heathrow flight route?

Fly from Houston George Bush Intcntl to London Heathrow for the best Houston George Bush Intcntl - London Heathrow flight prices

How far in advance should I book a flight to London Heathrow Airport?

You are more likely to see cheaper flights to London Heathrow Airport from Houston George Bush Intcntl Airport when booking 25 weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around £651 when searching 25 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from Houston George Bush Intcntl Airport for as low as £569 on momondo.

What cabin class options are available on Houston George Bush Intcntl to London Heathrow flights?

There are 4 cabin classes available to choose from on Houston George Bush Intcntl to London Heathrow flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Houston George Bush Intcntl Airport to London Heathrow Airport flight prices changed over time?

As of April 2025, prices for Houston George Bush Intcntl Airport to London Heathrow Airport flights are approximately 36% cheaper when compared to flights at the same time last year.

When to book flights from Houston George Bush Intcntl Airport to London Heathrow Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Houston George Bush Intcntl Airport to London Heathrow Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Houston George Bush Intcntl Airport to London Heathrow Airport (IAH to LHR) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Houston George Bush Intcntl Airport to London Heathrow Airport

Best price found

£226

Fastest flight time

9h 10m

Direct flights

Every day
The best one-way flight to London Heathrow Airport from Houston George Bush Intcntl Airport in the past 72 hours is £226. The best return flight deal from Houston George Bush Intcntl Airport to London Heathrow Airport found on momondo in the last 72 hours is £242.
The fastest flight from Houston George Bush Intcntl Airport to London Heathrow Airport takes 9h 10m
Direct flights go from Houston George Bush Intcntl Airport to London Heathrow Airport every day.

  • How far is Houston George Bush Intcntl to London Heathrow by plane?

    A flight from Houston George Bush Intcntl to London Heathrow will travel around 4820.4 mi. A reasonable flight in good conditions will take 9h 10m.

  • When did momondo last update prices for flights from Houston George Bush Intcntl Airport to London Heathrow Airport?

    Prices for flights from Houston George Bush Intcntl Airport to London Heathrow Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Houston George Bush Intcntl Airport to London Heathrow Airport?

  • How old do you have to be to fly from Houston George Bush Intcntl Airport to London Heathrow Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Houston George Bush Intcntl Airport to London Heathrow Airport.

  • What documentation or ID do you need to fly to London Heathrow Airport?

    The travel and health documents required for your trip to London Heathrow Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at London Heathrow Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Houston George Bush Intcntl Airport to London Heathrow Airport?

  • What is the most popular airline from Houston George Bush Intcntl Airport to London Heathrow Airport?


Best airlines flying from Houston George Bush Intcntl Airport to London Heathrow Airport

Compare and see reviews for airlines that fly from Houston George Bush Intcntl Airport to London Heathrow Airport with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom £436Free CancellationRating
6.6
6,718 reviews
Search British Airways flights
IberiaPriceFrom £448Free CancellationRating
7.0
2,659 reviews
Search Iberia flights
LufthansaPriceFrom £481Free CancellationRating
6.7
6,964 reviews
Search Lufthansa flights
United AirlinesPriceFrom £487Free CancellationRating
7.4
8,619 reviews
Search United Airlines flights
  • United Airlines Flights From Houston George Bush Intcntl Airport to London Heathrow Airport

    United Airlines operates around 14 flights from Houston George Bush Intcntl Airport to London Heathrow Airport every week. The average price of these flights found in the last 72 hours has been £963, but momondo users have found United Airlines deals from Houston George Bush Intcntl Airport to London Heathrow Airport from as low as £631 round-trip. United Airlines has been scored 7.4/10 in 8,619 reviews.

  • Iberia Flights From Houston George Bush Intcntl Airport to London Heathrow Airport

    Across 2,659 Iberia reviews on momondo, the average score is 7.0/10. Iberia flies from Houston George Bush Intcntl Airport to London Heathrow Airport about 10 times each week, with ticket deals ranging from £581 to £680. Price data is based on momondo searches in the last 72 hours.


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Why use momondo?

Why should I use momondo to find a flight deal from Houston to London?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Houston to London . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Houston to London with flexible booking policies on momondo?

All flight searches from Houston to London on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Houston to London?

Once all potential Houston to London flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Houston to London right now. Can momondo alert me if prices change?

Price alerts on flights to London from Houston are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.


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