Cheap flights from London Heathrow Airport to the United States from £170
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London Heathrow Airport to the United States departing on 14/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Return
1 adult
Economy
0 bags
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Cheap return flights
KAYAK's recommended return flight deals from the most popular airlines that fly from London Heathrow Airport to the United States.
Cheap one-way flights
Flying one-way? These are some of the best deals recently discovered on momondo for flights from London Heathrow Airport to the United States.
Cheap last-minute flights
Planning a quick getaway from London Heathrow Airport to the United States? 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 the United States, so you can enjoy a seamless trip without stopovers.
Austrian Airlines flights from London Heathrow Airport to United States
Our best Austrian Airlines deals on London Heathrow Airport to United States flight tickets
Austrian Airlines![Austrian Airlines]()
12 Sept![Austrian Airlines]()
7 Oct
LHR06:00London Heathrow
15h 05m
1 stop
LAX13:05Los Angeles
LAX16:40Los Angeles
10h 30m
LHR11:10London Heathrow
Austrian Airlines![Austrian Airlines]()
13 May![Austrian Airlines]()
20 May
LHR09:05London Heathrow
33h 45m
1 stop
BOS13:50Boston Logan Intl
BOS11:07Boston Logan Intl
13h 48m
1 stop
LHR05:55London Heathrow
Brussels Airlines flights from London Heathrow Airport to United States
Our best Brussels Airlines deals on London Heathrow Airport to United States flight tickets
Brussels Airlines![Brussels Airlines]()
16 May![Brussels Airlines]()
25 May
LHR06:50London Heathrow
11h 20m
1 stop
EWR13:10Newark
EWR18:45Newark
7h 30m
LHR07:15London Heathrow
Brussels Airlines![Brussels Airlines]()
12 Sept![Brussels Airlines]()
29 Sept
LHR13:05London Heathrow
11h 10m
LAX16:15Los Angeles
LAX16:40Los Angeles
10h 30m
LHR11:10London Heathrow
See travel insights to the United States from
How to get the cheapest flight ticket from London Heathrow Airport to United States
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 cheapest month to fly to United States?
The month of March is, on average, the cheapest month to fly to United States from London Heathrow Airport, with most prices found around £382. If you are unable to visit United States during the month of March, then departing from London Heathrow Airport during the month February is also very affordable. Most momondo users find prices during this month for around £391.
What is the cheapest day to depart on your flight to United States?
According to our data, Wednesday is the cheapest day to fly to United States from London Heathrow Airport. The lowest ticket price found for a Wednesday departure recently was £474. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from London Heathrow Airport to United States for around £560.
What is the cheapest time of day to depart on your flight to United States?
Our most recent data shows that the best time of day to fly to United States is at midday. Flights from London Heathrow Airport to United States during this time can be as low as £498. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are £623 on average. Flights to United States from London Heathrow Airport in the evening are generally more expensive because this time of day is more convenient for travellers’ schedules.
What is the cheapest London Heathrow to United States flight route?
Fly from London Heathrow to Newark for the best London Heathrow - United States flight prices
How far in advance should I book a flight to United States?
You are more likely to see cheaper flights to United States from London Heathrow Airport when booking 25 weeks ahead of your departure date. In general, you can expect to find flights to United States for around £459 when searching 25 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to United States from London Heathrow Airport for as low as £405 on momondo.
What cabin class options are available on London Heathrow to United States flights?
There are 4 cabin classes available to choose from on London Heathrow to United States 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 London Heathrow to United States?
Vueling, British Airways, and TAP AIR PORTUGAL are the most popular carriers operating from London Heathrow to United States
Which airlines fly to United States?
Virgin Atlantic, British Airways and Finnair are the top three most popular airlines that fly to United States from London Heathrow Airport according to our data. Virgin Atlantic is the first choice among our users, with 40% of people opting to fly with this airline when travelling to United States. Keep in mind that there are 25 different airlines that fly to United States on a routine basis, so you have a few additional options to choose from.
How many flights depart from London Heathrow Airport to United States on average per day?
As of April 2025, there are 359 flights per day flying from London Heathrow Airport to United States. The most common time of day flights depart is 16:00, with 54% of flights taking off in the afternoon.
How many flights depart from London Heathrow Airport to United States on average per week?
The number of flights available between London Heathrow Airport and United States is 2,513 per week as of April 2025. The most frequent departure day is Mon, with 16% of weekly flights leaving on this day.
Cheap London Heathrow Airport to United States flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from London Heathrow Airport to United States
Best price found | £170 |
|---|---|
Fastest flight time | 7h 15m |
Direct flights | Every day |
Airports in United States | 8 airports |
When did momondo last update prices for flights from London Heathrow Airport to United States?
Prices for flights from London Heathrow Airport to United States were last updated today.
How many operators does momondo search for flights from London Heathrow Airport to United States?
As of April 2025, there are 26 operators available to choose from for flights from London Heathrow Airport to United States.
How old do you have to be to fly from London Heathrow Airport to United States?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from London Heathrow Airport to United States.
What documentation or ID do you need to fly to United States?
The required travel and health documents for your United States trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at United States. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from London Heathrow Airport to United States?
momondo data reveals that the most frequently booked plane model on the route from London Heathrow Airport to United States is Boeing 777, representing 16.17% of all bookings. The subsequent popular models are Airbus A350-1000 at 15.23%, Boeing 787-9 Dreamliner at 14.75%, and Boeing 777-200/200ER at 10.67%.
Best airlines flying from London Heathrow Airport to United States
Compare and see reviews for airlines that fly from London Heathrow Airport to United States with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom £8 | Free Cancellation | Rating 7.0 1,067 reviews | |||
| PriceFrom £239 | Free Cancellation | Rating 8.0 7,920 reviews | |||
| PriceFrom £243 | Free Cancellation | Rating 7.1 45 reviews | |||
| PriceFrom £277 | Free Cancellation | Rating 6.9 101 reviews | |||
| PriceFrom £278 | Free Cancellation | Rating 7.5 1,582 reviews | |||
| PriceFrom £280 | Free Cancellation | Rating 7.0 9,180 reviews | |||
| PriceFrom £282 | Free Cancellation | Rating 7.1 1,844 reviews | |||
| PriceFrom £294 | Free Cancellation | Rating 7.4 8,683 reviews | |||
| PriceFrom £310 | Free Cancellation | Rating 7.3 1,344 reviews | |||
| PriceFrom £327 | Free Cancellation | Rating 7.0 484 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from London to United States?
Finding the right flight to United States from London 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 United States quick and easy, saving you time and money.
Can I find flights from London to United States with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for London to United States flights to just show those with flexible booking policies.
How can momondo help me find flights from London to United States?
momondo provides multiple filters to help you find the best flight to United States from London. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.
I’m not ready to book a flight from London to United States right now. Can momondo alert me if prices change?
Yes. momondo can track prices for London to United States flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.
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