Cheap flights from London to the United States from £143
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 to the United States departing on 8/10. 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 London 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
What is the cheapest month to fly to United States?
The month of September is, on average, the cheapest month to fly to United States from London, with most prices found around £352. If you are unable to visit United States during the month of September, then departing from London during the month March is also very affordable. Most momondo users find prices during this month for around £356.
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. The lowest ticket price found for a Wednesday departure recently was £462. 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 to United States for around £548.
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 in the morning. Flights from London to United States during this time can be as low as £485. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are £616 on average. Flights to United States from London in the evening are generally more expensive because this time of day is more convenient for travellers’ schedules.
What is the cheapest London to United States flight route?
Fly from London Gatwick to Miami for the best London - 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 when booking 7 weeks ahead of your departure date. In general, you can expect to find flights to United States for around £449 when searching 7 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to United States from London for as low as £402 on momondo.
What cabin class options are available on London to United States flights?
There are 4 cabin classes available to choose from on London 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 to United States?
Vueling, Norse Atlantic UK, and Iberia are the most popular carriers operating from London to United States
Which airlines fly to United States?
Virgin Atlantic, British Airways and Lufthansa are the top three most popular airlines that fly to United States from London according to our data. Virgin Atlantic is the first choice among our users, with 42% of people opting to fly with this airline when travelling to United States. Keep in mind that there are 27 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 to United States on average per day?
218 flights are operational daily from London to United States as of June 2025. The most popular departure time for this route is 16:00, with 57% of flights per day taking off in the afternoon.
How many flights depart from London to United States on average per week?
The number of flights available between London and United States is 1,531 per week as of June 2025. The most frequent departure day is Wed, with 15% of weekly flights leaving on this day.
Cheap London to United States flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from London to United States
Best price found | £143 |
|---|---|
Fastest flight time | 7h 34m |
Direct flights | Every day |
Airports in United States | 2 airports |
When did momondo last update prices for flights from London to United States?
Prices for flights from London to United States are updated daily.
How many operators does momondo search for flights from London to United States?
As of June 2025, there are 26 operators available to choose from for flights from London to United States.
How old do you have to be to fly from London to United States?
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 London to United States.
What documentation or ID do you need to fly to United States?
The travel and health documents you'll need for your trip to United States 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 United States. 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 London to United States?
Based on momondo bookings for flights between London and United States, the leading plane model is Boeing 777, making up 19.01% of the total bookings. Other popular models include Boeing 787-9 Dreamliner with 15.95%, Airbus A350-1000 with 15.46%, and Airbus A330-900neo with 8.63%.
Best airlines flying from London to United States
Compare and see reviews for airlines that fly from London to United States with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom £7 | Free Cancellation | Rating 7.1 1,118 reviews | |||
| PriceFrom £235 | Free Cancellation | Rating 8.0 7,950 reviews | |||
| PriceFrom £259 | Free Cancellation | Rating 7.0 102 reviews | |||
| PriceFrom £274 | Free Cancellation | Rating 7.5 1,624 reviews | |||
| PriceFrom £275 | Free Cancellation | Rating 7.1 9,539 reviews | |||
| PriceFrom £279 | Free Cancellation | Rating 7.1 1,885 reviews | |||
| PriceFrom £289 | Free Cancellation | Rating 7.0 499 reviews | |||
| PriceFrom £291 | Free Cancellation | Rating 7.4 8,790 reviews | |||
| PriceFrom £305 | Free Cancellation | Rating 7.3 1,387 reviews | |||
| PriceFrom £305 | Free Cancellation | Rating 7.2 10,000 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from London to United States?
It is quick and easy to find London to United States flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to United States that suits you.
Can I find flights from London to United States with flexible booking policies on momondo?
All flight searches from London to United States on momondo can be filtered to show those which offer 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?
Price alerts on flights to United States from London 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.