Cheap flights from the United States to London from $65
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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SWISS flights from United States to London Heathrow Airport
Our best SWISS deals on United States to London Heathrow Airport flight tickets
SWISS![SWISS]()
Aug 27![SWISS]()
Dec 12
EWR9:50 pmNewark
13h 35m
1 stop
LHR4:25 pmLondon Heathrow
LHR12:05 pmLondon Heathrow
13h 25m
1 stop
EWR8:30 pmNewark
SWISS![SWISS]()
Sep 20![SWISS]()
Oct 1
JFK4:15 pmNew York John F Kennedy Intl
10h 40m
1 stop
LHR7:55 amLondon Heathrow
LHR6:00 amLondon Heathrow
11h 50m
1 stop
JFK12:50 pmNew York John F Kennedy Intl
Lufthansa flights from United States to London Heathrow Airport
Our best Lufthansa deals on United States to London Heathrow Airport flight tickets
Lufthansa![Lufthansa]()
Sep 20![Lufthansa]()
Oct 1
LGA3:30 pmNew York LaGuardia
10h 00m
1 stop
LHR6:30 amLondon Heathrow
LHR2:05 pmLondon Heathrow
10h 32m
1 stop
LGA7:37 pmNew York LaGuardia
Lufthansa![Lufthansa]()
Jun 22![Lufthansa]()
Jul 2
JFK5:30 pmNew York John F Kennedy Intl
18h 35m
1 stop
LHR5:05 pmLondon Heathrow
LHR7:25 amLondon Heathrow
12h 35m
1 stop
JFK3:00 pmNew York John F Kennedy Intl
See travel insights to London from
How to get the cheapest flight ticket from United States 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
Prices
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Other information
What is the cheapest month to fly to London Heathrow Airport?
The month of October is, on average, the cheapest month to fly to London Heathrow Airport from United States, with most prices found around $551. If you’re not able to fly to London Heathrow Airport in October, then January is your next best option. Flight prices from United States to London Heathrow Airport during January average around $568.
What is the cheapest day to depart on your flight to London Heathrow Airport?
Our data shows that Wednesday is the least expensive day to fly to London Heathrow Airport. Tickets to fly out on this day can be as low as $643. The most expensive day to fly to London Heathrow Airport is Sunday, with ticket prices averaging around $679.
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 at noon. momondo users have found flights departing from United States to London Heathrow Airport at noon for as low as $586. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the afternoon are often more expensive with an average ticket price of $705.
What is the cheapest United States to London Heathrow flight route?
Fly from Boston Logan Intl to London Heathrow for the best United States - 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 United States when booking 18 weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around $621 when searching 18 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from United States for as low as $552 on momondo.
What cabin class options are available on United States to London Heathrow flights?
There are 4 cabin classes available to choose from on United States 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 United States to London Heathrow?
Virgin Atlantic, SWISS, and Brussels Airlines are the most popular carriers operating from United States to London Heathrow
What airlines fly to London Heathrow Airport?
British Airways, Delta and United Airlines are the top three most popular airlines that fly to London Heathrow Airport from United States according to our data. British Airways is the first choice among our users, with 43% of people opting to fly with this airline when traveling to London Heathrow Airport. Keep in mind that there are 24 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 United States to London Heathrow Airport on average per day?
As of June 2025, there are 419 flights per day flying from United States to London Heathrow Airport. The most common time of day flights depart is 8:00PM, with 68% of flights taking off in the evening.
How many flights depart from United States to London Heathrow Airport on average per week?
2,935 flights are operational weekly from United States to London Heathrow Airport 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 Heathrow Airport flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from United States to London Heathrow Airport
When did momondo last update prices for flights from United States to London Heathrow Airport?
Prices for flights from United States to London Heathrow Airport are updated daily.
How many operators does momondo search for flights from United States to London Heathrow Airport?
As of June 2025, there are 24 operators available to choose from for flights from United States to London Heathrow Airport.
How old do you have to be to fly from United States to London Heathrow Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from United States to London Heathrow Airport.
What documentation or ID do you need to fly to London Heathrow Airport?
The necessary travel and health documents for your London Heathrow Airport 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 Heathrow Airport?
momondo data reveals that the most frequently booked plane model on the route from United States to London Heathrow Airport is Boeing 777, representing 21.77% of all bookings. The subsequent popular models are Boeing 787-9 Dreamliner at 15.56%, Boeing 777-300ER at 11.46%, and Airbus A380-800 at 11.11%.
Best airlines flying from United States to London Heathrow Airport
Compare and see reviews for airlines that fly from United States to London Heathrow Airport with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $203 | Free Cancellation | Rating 7.3 1,387 reviews | |||
| PriceFrom $272 | Free Cancellation | Rating 7.2 2,868 reviews | |||
| PriceFrom $284 | Free Cancellation | Rating 7.2 47 reviews | |||
| PriceFrom $290 | Free Cancellation | Rating 7.5 1,623 reviews | |||
| PriceFrom $291 | Free Cancellation | Rating 6.7 7,136 reviews | |||
| PriceFrom $324 | Free Cancellation | Rating 7.4 652 reviews | |||
| PriceFrom $340 | Free Cancellation | Rating 7.5 1,463 reviews | |||
| PriceFrom $363 | Free Cancellation | Rating 7.0 102 reviews | |||
| PriceFrom $366 | Free Cancellation | Rating 7.8 1,358 reviews | |||
| PriceFrom $382 | Free Cancellation | Rating 7.1 9,531 reviews |
Traveling to a place near London?
Book flights to London if you plan to visit one of these locationsGatwick
Hounslow
Croydon
Luton
Slough
Guildford
Dartford
Dover
Stansted
Hayes
Salisbury
Milton Keynes
Ilford
Swindon
Colchester
Canterbury
Stratford-upon-Avon
Chelmsford
Watford
Wembley
Why 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. momondo allows you to filter the results for United States to London flights to just show those with flexible booking policies.
How can momondo help me find flights from United States to London?
momondo helps you find the best flight between United States and London by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.
I’m not ready to book a flight from United States to London right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of United States to London flights. All you need is a valid email address and we will do the rest; it is that quick and easy.
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