Cheap flights from the United States to London from £48
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from the United States to London departing on 7/7. 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 United States 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 cheapest month to fly to London?
The cheapest month to fly to London from United States is in January. Flight prices, which tend to average around £305, are often lower during this time because this is during the off-season. The month of October is another great option to travel to London, with average flight prices from United States averaging around £313.
What is the cheapest day to depart on your flight to London?
Our data shows that Wednesday is the least expensive day to fly to London. Tickets to fly out on this day can be as low as £421. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from United States to London for around £456.
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 morning when flights can be purchased for as low as £432. Flights at midday are often more expensive, with an average ticket price of £496.
What is the cheapest United States to London flight route?
Fly from New York John F Kennedy Intl to London Gatwick for the best United States - 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 United States when booking 18 weeks ahead of your departure date. In general, you can expect to find flights to London for around £457 when searching 18 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from United States for as low as £406 on momondo.
What cabin class options are available on United States to London flights?
There are 4 cabin classes available to choose from on United States 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 United States to London?
Virgin Atlantic, Norse Atlantic UK, and Brussels Airlines are the most popular carriers operating from United States to London
Which airlines fly to London?
Virgin Atlantic, British Airways and Iberia are the top three most popular airlines that fly to London from United States according to our data. Virgin Atlantic is the first choice among our users, with 47% of people opting to fly with this airline when travelling to London. Keep in mind that there are 17 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 United States to London on average per day?
326 flights are operational daily from United States to London as of June 2025. The most popular departure time for this route is 19:00, with 70% of flights per day taking off in the evening.
How many flights depart from United States to London on average per week?
2,282 flights are operational weekly from United States to London as of June 2025. The most popular departure day for this route is Wed, with 15% of flights per week taking off on this day.
Cheap United States to London flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from United States to London
When did momondo last update prices for flights from United States to London?
Prices for flights from United States to London are updated daily.
How many operators does momondo search for flights from United States to London?
There are 17 operators available for flights from United States to London as of June 2025.
How old do you have to be to fly from United States to London?
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 United States to London.
What documentation or ID do you need to fly to London?
The necessary travel and health documents for your London trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from United States to London?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from United States to London is Boeing 777 (23.08% of total bookings). The next most popular plane models are Boeing 787-9 Dreamliner (15.82%), Boeing 777-300ER (11.92%), and Airbus A380-800 (10.89%).
Best airlines flying from United States to London
Compare and see reviews for airlines that fly from United States to London with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom £255 | Free Cancellation | Rating 7.0 499 reviews | |||
| PriceFrom £267 | Free Cancellation | Rating 7.2 47 reviews | |||
| PriceFrom £276 | Free Cancellation | Rating 7.4 652 reviews | |||
| PriceFrom £279 | Free Cancellation | Rating 7.5 1,463 reviews | |||
| PriceFrom £284 | Free Cancellation | Rating 7.8 1,358 reviews | |||
| PriceFrom £291 | Free Cancellation | Rating 8.0 7,950 reviews | |||
| PriceFrom £292 | Free Cancellation | Rating 7.3 2,925 reviews | |||
| PriceFrom £293 | Free Cancellation | Rating 6.6 7,011 reviews | |||
| PriceFrom £300 | Free Cancellation | Rating 7.6 1,290 reviews | |||
| PriceFrom £300 | Free Cancellation | Rating 7.3 1,387 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 United States to London?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from United States to London. momondo saves you time and could save you money on your trip.
Can I find flights from United States to London with flexible booking policies on momondo?
Yes. All flights to London from United States on momondo can be compared and filtered by various policies on offer, including flexible booking.
How can momondo help me find flights from United States to London?
momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from United States to London.
I’m not ready to book a flight from United States to London right now. Can momondo alert me if prices change?
If you are not ready to book a flight from United States 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.