Cheap flights from Houston to London Heathrow Airport from £203
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 Heathrow Airport departing on 3/2. 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
These are some of the best return 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 stopovers.
Cheap bus & train deals from Houston to London
Find recent return train or bus tickets from Houston to London.
All return flight deals from Houston to London
The cheapest plane tickets from Houston to London found on KAYAK recently.
Iberia flights from Houston to London Heathrow Airport
Our best Iberia deals on Houston to London Heathrow Airport flight tickets
Iberia![Iberia]()
2 Apr![Iberia]()
10 Apr
IAH15:30Houston George Bush Intcntl
9h 10m
LHR06:40London Heathrow
LHR09:25London Heathrow
10h 15m
IAH13:40Houston George Bush Intcntl
Iberia![Iberia]()
12 Mar![Iberia]()
19 Mar
IAH16:24Houston George Bush Intcntl
14h 56m
1 stop
LHR12:20London Heathrow
LHR09:30London Heathrow
10h 40m
IAH15:10Houston George Bush Intcntl
Delta flights from Houston to London Heathrow Airport
Our best Delta deals on Houston to London Heathrow Airport flight tickets
Delta![Delta]()
19 Feb![Delta]()
11 Mar
IAH06:00Houston George Bush Intcntl
18h 20m
1 stop
LHR06:20London Heathrow
LHR06:20London Heathrow
13h 35m
1 stop
IAH14:55Houston George Bush Intcntl
Delta![Delta]()
12 Mar![Delta]()
9 Apr
IAH09:50Houston George Bush Intcntl
15h 30m
1 stop
LHR06:20London Heathrow
LHR06:15London Heathrow
13h 20m
1 stop
IAH13:35Houston George Bush Intcntl
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How to get the cheapest flight ticket from Houston 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
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Other information
What is the typical price of a round-trip flight between Houston and London Heathrow Airport?
What is the cheapest month to fly to London Heathrow Airport?
In general, September is the cheapest month to fly from Houston to London Heathrow Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £547. The month of February is another great option to travel to London Heathrow Airport, with average flight prices from Houston averaging around £550.
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 is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as £544. 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 £940.
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 to London Heathrow Airport in the morning for as low as £610. 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 afternoon when prices are £733 on average. Flights to London Heathrow Airport from Houston in the afternoon are generally more expensive because this time of day is more convenient for travellers’ schedules.
What is the cheapest Houston to London Heathrow flight route?
Fly from Houston George Bush Intcntl to London Heathrow for the best Houston - 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 when booking 15 weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around £683 when searching 15 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from Houston for as low as £614 on momondo.
What cabin class options are available on Houston to London Heathrow flights?
There are 3 cabin classes available to choose from on Houston to London Heathrow 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 Heathrow?
WestJet, Turkish Airlines, and JetBlue are the most popular carriers operating from Houston to London Heathrow
Which airlines fly to London Heathrow Airport?
British Airways, United Airlines and Iberia are the top three most popular airlines that fly to London Heathrow Airport from Houston according to our data. British Airways is the first choice among our users, with 40% of people opting to fly with this airline when travelling to London Heathrow Airport. Keep in mind that there are 4 different airlines that fly to London Heathrow Airport on a routine basis, so you have a few additional options to choose from.
How many flights depart from Houston to London Heathrow Airport on average per day?
As of January 2025, there are 19 flights per day flying from Houston to London Heathrow Airport. The most common time of day flights depart is 16:00, with 59% of flights taking off in the afternoon.
How many flights depart from Houston to London Heathrow Airport on average per week?
135 flights are operational weekly from Houston to London Heathrow Airport as of January 2025. The most popular departure day for this route is Mon, with 16% of flights per week taking off on this day.
Cheap Houston to London Heathrow Airport flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Houston to London Heathrow Airport
How far is Houston to London Heathrow by plane?
The straight-line distance from Houston to London Heathrow is 4833.3 mi. In terms of flight time, this usually takes a little over 9h 00m.
When did momondo last update prices for flights from Houston to London Heathrow Airport?
Prices for flights from Houston to London Heathrow Airport refresh daily.
How many operators does momondo search for flights from Houston to London Heathrow Airport?
There are 4 operators available for flights from Houston to London Heathrow Airport as of January 2025.
How old do you have to be to fly from Houston 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 to London Heathrow Airport.
What documentation or ID do you need to fly to London Heathrow Airport?
The travel and health documents you'll need for your trip to London Heathrow Airport 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 Heathrow Airport. 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 Heathrow Airport
Compare and see reviews for airlines that fly from Houston to London Heathrow Airport with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom £459 | Free Cancellation | Rating 6.6 6,834 reviews | |||
| PriceFrom £471 | Free Cancellation | Rating 6.7 7,111 reviews | |||
| PriceFrom £471 | Free Cancellation | Rating 7.0 2,646 reviews | |||
| PriceFrom £482 | Free Cancellation | Rating 7.4 8,984 reviews |
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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?
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 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?
Yes momondo offers price alerts on flights to London from Houston. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.
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