Cheap flights from Houston George Bush Intcntl Airport to London from $155
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 departing on 7/23. 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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How to get the cheapest flight ticket from Houston George Bush Intcntl Airport to London
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?
The cheapest month to fly to London from Houston George Bush Intcntl Airport is in October. Flight prices, which tend to average around $662, are often lower during this time because this is during the off-season. The month of April is another great option to travel to London, with average flight prices from Houston George Bush Intcntl Airport averaging around $683.
What is the cheapest day to depart on your flight to London?
The cheapest day to depart from Houston George Bush Intcntl Airport to London is on a Wednesday. Travelers who choose to depart for London on a Wednesday will often find tickets for as low as $786. If your travel schedule is flexible, try to avoid departing on a Monday because tickets tend to average around $988. These prices are subject to change though, so be sure to set up a Price Alert for flights to London.
What is the cheapest time of day to depart on your flight to London?
Flying to London from Houston George Bush Intcntl Airport in the morning is the least expensive time of day to depart. momondo users have found prices as low as $844 when looking at flights departing in the morning. Flights to London are more costly in the evening, with an average ticket price of $983. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.
What is the cheapest Houston George Bush Intcntl to London flight route?
Fly from Houston George Bush Intcntl to London Heathrow for the best Houston George Bush Intcntl - London flight prices
How far in advance should I book a flight to London?
You are more likely to see cheaper flights to London from Houston George Bush Intcntl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to London for around $821 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from Houston George Bush Intcntl Airport for as low as $730 on momondo.
What cabin class options are available on Houston George Bush Intcntl to London flights?
There are 4 cabin classes available to choose from on Houston George Bush Intcntl to London flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
Can stopping save me money on Houston George Bush Intcntl Airport to London flights?
You could potentially save up to 23% on your flight if you consider stops on a Houston George Bush Intcntl Airport to London flight.
How have Houston George Bush Intcntl Airport to London flight prices changed over time?
As of June 2025, prices for Houston George Bush Intcntl Airport to London flights are approximately 23% more expensive when compared to flights at the same time last year.
How many flights depart from Houston George Bush Intcntl Airport to London on average per day?
As of June 2025, there are 21 flights per day flying from Houston George Bush Intcntl Airport to London. The most common time of day flights depart is 4:00PM, with 50% of flights taking off in the afternoon.
How many flights depart from Houston George Bush Intcntl Airport to London on average per week?
As of June 2025, there are 149 flights per week flying from Houston George Bush Intcntl Airport to London. The most common day of the week flights depart is Mon, with 15% of flights taking off on this day.
When to book flights from Houston George Bush Intcntl Airport to London
Cheap Houston George Bush Intcntl Airport to London (IAH to LON) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Houston George Bush Intcntl Airport to London
How far is Houston George Bush Intcntl to London by plane?
A flight from Houston George Bush Intcntl to London will travel around 4832.8 mi. 9h 00m is a normal flight duration for this route.
When did momondo last update prices for flights from Houston George Bush Intcntl Airport to London?
Prices for flights from Houston George Bush Intcntl Airport to London are refreshed on a daily basis.
How many operators does momondo search for flights from Houston George Bush Intcntl Airport to London?
As of June 2025, there are 10 operators available to choose from for flights from Houston George Bush Intcntl Airport to London.
How old do you have to be to fly from Houston George Bush Intcntl Airport to London?
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.
What documentation or ID do you need to fly to London?
The travel and health documents you'll need for your trip to London may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at London. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Houston George Bush Intcntl Airport to London?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Houston George Bush Intcntl Airport to London is Boeing 777 (55.02% of total bookings). The next most popular plane models are Boeing 787-9 Dreamliner (20.40%), Boeing 787-10 Dreamliner (12.47%), and Boeing 777-300 (8.47%).
What is the most popular airline from Houston George Bush Intcntl Airport to London?
Based on momondo bookings for flights between Houston George Bush Intcntl Airport and London, the leading airline is United Airlines, making up 36% of the total bookings. Other popular airlines include British Airways with 25%, Iberia with 22%, and American Airlines with 6%.
Best airlines flying from Houston George Bush Intcntl Airport to London
Compare and see reviews for airlines that fly from Houston George Bush Intcntl Airport to London with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $574 | Free Cancellation | Rating 7.1 9,572 reviews | |||
| PriceFrom $579 | Free Cancellation | Rating 7.0 2,778 reviews | |||
| PriceFrom $582 | Free Cancellation | Rating 7.6 1,292 reviews | |||
| PriceFrom $582 | Free Cancellation | Rating 7.4 653 reviews | |||
| PriceFrom $589 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $612 | Free Cancellation | Rating 6.8 7,158 reviews | |||
| PriceFrom $615 | Free Cancellation | Rating 7.4 8,810 reviews | |||
| PriceFrom $621 | Free Cancellation | Rating 6.6 7,031 reviews | |||
| PriceFrom $631 | Free Cancellation | Rating 8.0 7,964 reviews | |||
| PriceFrom $1,125 | Free Cancellation | Rating 7.6 804 reviews |
Finnair Flights From Houston George Bush Intcntl Airport to London
The lowest priced Finnair flight from Houston George Bush Intcntl Airport to London from the last 72 hours was $582. Generally, Finnair has 13 flights on this route every week with an average price of $739. Finnair is rated 7.6/10 by our users.
Austrian Airlines Flights From Houston George Bush Intcntl Airport to London
The best Austrian Airlines deal for Houston George Bush Intcntl Airport to London flight tickets found on momondo in the last 72 hours was $1,125, round-trip. It should be noted that an average Austrian Airlines flight deal for this route in this time was higher, at $1,343 round-trip. Austrian Airlines operates 14 flights out of Houston George Bush Intcntl Airport into London in an average week, so prices vary by time and availability. 804 Austrian Airlines reviews by users on momondo have scored the airline at 7.6/10.
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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?
Yes. All flights to London from Houston on momondo can be compared and filtered by various policies on offer, including flexible booking.
How can momondo help me find flights from Houston to London?
momondo helps you find the best flight between Houston and London by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.
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.