Cheap flights from Houston to London from £149
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 to London departing on 9/7. 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 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 typical price of a round-trip flight between Houston and London?
What is the cheapest month to fly to London?
The cheapest month to fly to London from Houston is in October. Flight prices, which tend to average around £481, are often lower during this time because this is during the off-season. The month of January is another great option to travel to London, with average flight prices from Houston averaging around £491.
What is the cheapest day to depart on your flight to London?
Our data shows that Tuesday is the least expensive day to fly to London. Tickets to fly out on this day can be as low as £528. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Houston to London for around £780.
What is the cheapest time of day to depart on your flight to London?
The cheapest time of day to fly to London is in the afternoon when flights can be purchased for as low as £625. Flights at midday are often more expensive, with an average ticket price of £700.
What is the cheapest Houston to London flight route?
Fly from Houston George Bush Intcntl to London Heathrow for the best Houston - 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 when booking 15 weeks ahead of your departure date. In general, you can expect to find flights to London for around £604 when searching 15 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from Houston for as low as £509 on momondo.
What cabin class options are available on Houston to London flights?
There are 4 cabin classes available to choose from on Houston to London flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from Houston to London?
JetBlue, Virgin Atlantic, and British Airways are the most popular carriers operating from Houston to London
Which airlines fly to London?
British Airways, United Airlines and Iberia are the top three most popular airlines that fly to London from Houston according to our data. British Airways is the first choice among our users, with 42% of people opting to fly with this airline when travelling to London. Keep in mind that there are 4 different airlines that fly to London on a routine basis, so you have a few additional options to choose from.
How many flights depart from Houston to London on average per day?
As of June 2025, there are 21 flights per day flying from Houston to London. The most common time of day flights depart is 16:00, with 50% of flights taking off in the afternoon.
How many flights depart from Houston to London on average per week?
149 flights are operational weekly from Houston to London as of June 2025. The most popular departure day for this route is Mon, with 15% of flights per week taking off on this day.
Cheap Houston to London flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Houston to London
How far is Houston to London by plane?
The straight-line distance from Houston to London is 4845.7 mi. 9h 00m is a normal flight duration for this route.
When did momondo last update prices for flights from Houston to London?
Prices for flights from Houston to London refresh daily.
How many operators does momondo search for flights from Houston to London?
The number of operators available for flights from Houston to London is 4 as of June 2025.
How old do you have to be to fly from Houston 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 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.
Best airlines flying from Houston to London
Compare and see reviews for airlines that fly from Houston to London with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom £426 | Free Cancellation | Rating 6.7 7,139 reviews | |||
| PriceFrom £443 | Free Cancellation | Rating 6.6 7,011 reviews | |||
| PriceFrom £445 | Free Cancellation | Rating 7.4 8,790 reviews | |||
| PriceFrom £447 | Free Cancellation | Rating 7.0 2,776 reviews |
Travelling to a place near London?
Book flights to London if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Houston to London?
Finding the right flight to London from Houston is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to London quick and easy, saving you time and money.
Can I find flights from Houston to London with flexible booking policies on momondo?
Flights from Houston to London with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.
How can momondo help me find flights from Houston to London?
Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to London from Houston.
I’m not ready to book a flight from Houston to London right now. Can momondo alert me if prices change?
If you are not ready to book a flight from Houston to London now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to London and let you know when they change.