Cheap flights from the United States to London from $156
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 3/16. 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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1 adult
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0 bags
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Cheap round-trip flights
Recommended round-trip deals departing in the coming months from the most popular airlines that fly to London.
Cheap one-way flights
Only flying one-way? Below are some of the best one-way flight deals to London found on KAYAK recently.
Cheap last minute flights
Leaving soon but still want a bargain? Check out these latest deals for last minute flights to London.
Cheap direct flights
The latest deals for direct flights to London so you can sit back and relax without the need for a layover.
Cheap bus & train deals to London
Find recent round-trip train or bus tickets from the United States to London.
All round-trip flight deals to London
The cheapest plane tickets to London found on KAYAK recently.
Virgin Atlantic flights from United States to London
Our best Virgin Atlantic deals on United States to London flight tickets
Virgin Atlantic![Virgin Atlantic]()
Feb 7![Virgin Atlantic]()
Feb 9
JFK4:30 pmNew York John F Kennedy Intl
13h 00m
1 stop
LHR10:30 amLondon Heathrow
LHR8:55 amLondon Heathrow
8h 00m
JFK11:55 amNew York John F Kennedy Intl
Virgin Atlantic![Virgin Atlantic]()
Jan 18![Virgin Atlantic]()
Jan 24
JFK7:49 pmNew York John F Kennedy Intl
7h 06m
LHR7:55 amLondon Heathrow
LHR2:00 pmLondon Heathrow
8h 00m
JFK5:00 pmNew York John F Kennedy Intl
Air Canada flights from United States to London
Our best Air Canada deals on United States to London flight tickets
Air Canada![Air Canada]()
Mar 14![Air Canada]()
Mar 16
LGA3:35 pmNew York LaGuardia
11h 35m
1 stop
LHR7:10 amLondon Heathrow
LHR6:50 amLondon Heathrow
14h 48m
2 stops
LGA5:38 pmNew York LaGuardia
Air Canada![Air Canada]()
Feb 14![Air Canada]()
Feb 16
LGA6:30 pmNew York LaGuardia
12h 20m
1 stop
LHR11:50 amLondon Heathrow
LHR6:50 amLondon Heathrow
15h 46m
2 stops
LGA5:36 pmNew York LaGuardia
See travel insights to London from
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
Prices
Airlines
Other information
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 $427, 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 $427.
What is the cheapest day to depart on your flight to London?
The cheapest day to depart from United States to London is on a Tuesday. Travelers who choose to depart for London on a Tuesday will often find tickets for as low as $573. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $604. These prices are subject to change though, so be sure to set up a Price Alert for flights to London.
What is the cheapest time of day to depart on your flight to London?
Flying to London from United States at noon is the least expensive time of day to depart. momondo users have found prices as low as $500 when looking at flights departing at noon. Flights to London are more costly in the evening, with an average ticket price of $596. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.
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?
Most flyers found that booking tickets 60 days in advance of their planned departure date is the best time to get cheap flights to London. During this timeframe, flight prices are around $625. Don’t hesitate to check prices now though because momondo users recently found tickets for as low as $578.
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 Air France are the most popular carriers operating from United States to London
What airlines fly to London?
British Airways, Virgin Atlantic and Delta are the top three most popular airlines that fly to London from United States according to our data. British Airways is the first choice among our users, with 38% of people opting to fly with this airline when traveling to London. Keep in mind that there are 25 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?
264 flights are operational daily from United States to London as of January 2025. The most popular departure time for this route is 8:00PM, with 63% of flights per day taking off in the evening.
How many flights depart from United States to London on average per week?
1,848 flights are operational weekly from United States to London as of January 2025. The most popular departure day for this route is Fri, 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?
As of January 2025, there are 24 operators available to choose from for flights from United States to London.
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 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.
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 flights between United States and London, the leading plane model is Boeing 777, making up 20.53% of the total bookings. Other popular models include Boeing 787-9 Dreamliner with 10.92%, Airbus A350-1000 with 9.79%, and Boeing 777-200/200ER with 8.96%.
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 $203 | Free Cancellation | Rating 7.3 1,305 reviews | |||
| PriceFrom $245 | Free Cancellation | Rating 7.5 1,593 reviews | |||
| PriceFrom $269 | Free Cancellation | Rating 7.2 2,822 reviews | |||
| PriceFrom $284 | Free Cancellation | Rating 7.0 41 reviews | |||
| PriceFrom $291 | Free Cancellation | Rating 6.7 7,086 reviews | |||
| PriceFrom $315 | Free Cancellation | Rating 7.3 349 reviews | |||
| PriceFrom $340 | Free Cancellation | Rating 7.4 1,486 reviews | |||
| PriceFrom $359 | Free Cancellation | Rating 7.1 92 reviews | |||
| PriceFrom $366 | Free Cancellation | Rating 7.8 1,336 reviews | |||
| PriceFrom $393 | Free Cancellation | Rating 7.4 3,195 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from United States to London?
To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to London from United States.
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?
Once all potential United States to London flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
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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