Cheap flights from Houston to London from $221
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 7/19. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Round-trip
1 adult
Economy
0 bags
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Cheap round-trip flights
These are some of the best round-trip flight deals from Houston to London that have been recently found on momondo from popular airlines, departing in the coming months.
Cheap one-way flights
Flying one-way? These are some of the best deals recently discovered on momondo for flights from Houston to London.
Cheap last minute flights
Planning a quick getaway from Houston to London? These are the last-minute flight deals available now.
Cheap direct flights
If you prefer a non-stop journey, check out our latest direct flight deals to London, so you can enjoy a seamless trip without layovers.
Delta flights from Houston to London
Our best Delta deals on Houston to London flight tickets
Delta![Delta]()
Sep 24![Delta]()
Oct 8
HOU6:43 pmHouston Hobby
12h 47m
1 stop
LHR1:30 pmLondon Heathrow
LHR6:15 amLondon Heathrow
21h 25m
2 stops
HOU9:40 pmHouston Hobby
Delta![Delta]()
Sep 24![Delta]()
Oct 8
HOU6:00 amHouston Hobby
20h 50m
2 stops
LHR8:50 amLondon Heathrow
LHR6:15 amLondon Heathrow
17h 32m
2 stops
HOU5:47 pmHouston Hobby
British Airways flights from Houston to London
Our best British Airways deals on Houston to London flight tickets
British Airways![British Airways]()
Oct 8![British Airways]()
Oct 9
IAH3:30 pmHouston George Bush Intcntl
9h 10m
LHR6:40 amLondon Heathrow
LHR8:00 pmLondon Heathrow
31h 31m
2 stops
IAH9:31 pmHouston George Bush Intcntl
British Airways![British Airways]()
Sep 24![British Airways]()
Sep 30
IAH9:00 pmHouston George Bush Intcntl
9h 20m
LHR12:20 pmLondon Heathrow
LHR9:25 amLondon Heathrow
10h 15m
IAH1:40 pmHouston George Bush Intcntl
See travel insights to London from
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
Prices
Airlines
Other information
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 $651, 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 $665.
What is the cheapest day to depart on your flight to London?
The cheapest day to depart from Houston 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 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 $1,037. 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 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 $826 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 $726 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, Iberia, and Aer Lingus are the most popular carriers operating from Houston to London
What airlines fly to London?
United Airlines, British Airways and Iberia are the top three most popular airlines that fly to London from Houston according to our data. United Airlines is the first choice among our users, with 38% of people opting to fly with this airline when traveling to London. Keep in mind that there are 10 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 April 2025, there are 21 flights per day flying from Houston 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 to London on average per week?
As of April 2025, 149 flights take off from Houston and land in London each week. The most common flight departure day for this route is Mon, with 15% of weekly flights 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?
A flight from Houston to London will travel around 4845.7 mi. By plane, this route typically takes 9h 10m.
When did momondo last update prices for flights from Houston to London?
Prices for flights from Houston to London are refreshed on a daily basis.
How many operators does momondo search for flights from Houston to London?
As of April 2025, there are 10 operators available to choose from for flights from Houston to London.
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 required for your trip to London 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. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
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 $564 | Free Cancellation | Rating 7.0 2,698 reviews | |||
| PriceFrom $568 | Free Cancellation | Rating 7.0 9,244 reviews | |||
| PriceFrom $578 | Free Cancellation | Rating 7.4 642 reviews | |||
| PriceFrom $580 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $582 | Free Cancellation | Rating 7.6 1,275 reviews | |||
| PriceFrom $605 | Free Cancellation | Rating 6.6 6,835 reviews | |||
| PriceFrom $610 | Free Cancellation | Rating 8.0 7,929 reviews | |||
| PriceFrom $611 | Free Cancellation | Rating 7.4 8,696 reviews | |||
| PriceFrom $612 | Free Cancellation | Rating 6.7 7,044 reviews | |||
| PriceFrom $957 | Free Cancellation | Rating 7.5 780 reviews |
Traveling to a place near London?
Book flights to London if you plan to visit one of these locationsGatwick
Hounslow
Croydon
Luton
Guildford
Slough
Hayes
Dartford
Dover
Stansted
Ilford
Milton Keynes
Canterbury
Colchester
Horley
Wembley
Chelmsford
Richmond
Crawley
Hook
Why use momondo?
Why should I use momondo to find a flight deal from Houston to London?
We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Houston to London for you.
Can I find flights from Houston to London with flexible booking policies on momondo?
momondo does allow users to show only those flights to London from Houston which offer a flexible booking policy as well as other useful filters and features.
How can momondo help me find flights from Houston to London?
Once you have performed a search for Houston to London flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.
I’m not ready to book a flight from Houston to London right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of Houston to London flights. All you need is a valid email address and we will do the rest; it is that quick and easy.