Cheap flights from USA to London (LON)

Know your dates, get live prices in seconds:

From
To
Depart
Return
Any month
Compare vs. Cheapflights |
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime

We work with more than 300 partners to bring you better travel deals

How to find the cheapest flight from
USA to London (LON)

All the information you need to plan the best null to LON flight in 2021: compare USA to London flight prices with the expected peak season, weather and rainfall in London.
How far in advance should I book a flight from USA to London?

Users have found that booking a flight from USA to London at least 61 days early can save you up to 44% on average compared to booking a flight this week. If booking 61 days before your flight isn’t an option for you, users have found flights from USA to London for as little as $910 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $1,146 for flights departing within the next 3 days.

What is the cheapest month to fly from USA to London?

October is one of the best times of the year to fly to London from USA. Prices for October average $714 per person but you can even find prices for as low as $445. The most expensive prices can be found in the month of July. Opting for a October flight can save you 31% on your journey compared to booking in October

Cheap flights from USA to London in May, June 2021

The best prices found for USA to LON flights for May, June
7 Jun - 15 Jun
$369pp
EWR
Newark
TAP AIR PORTUGAL
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
TAP AIR PORTUGAL
 
1 STOP
EWR
Newark
7 Jun - 14 Jun
$375pp
EWR
Newark
TAP AIR PORTUGAL
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
TAP AIR PORTUGAL
 
1 STOP
EWR
Newark
30 May - 8 Jun
$392pp
EWR
Newark
TAP AIR PORTUGAL
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
TAP AIR PORTUGAL
 
1 STOP
EWR
Newark

USA to London 2021 flight deals

Cheap flights to London from USA found for this year
30 Sep - 2 Oct
$302pp
EWR
Newark
SAS
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
SAS
 
1 STOP
EWR
Newark
11 Sep - 13 Sep
$308pp
ORD
Chicago O'Hare Intl
SAS
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
SAS
 
1 STOP
ORD
Chicago O'Hare Intl
6 Nov - 8 Nov
$316pp
ORD
Chicago O'Hare Intl
SAS
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
SAS
 
1 STOP
ORD
Chicago O'Hare Intl

Non-stop flights to London from USA

Save time with USA to London direct flight deals
20 Jun - 30 Jun
$573pp
JFK
New York John F Kennedy Intl
Virgin Atlantic
Non-Stop
LHR
London Heathrow
LHR
London Heathrow
Virgin Atlantic
Non-Stop
JFK
New York John F Kennedy Intl
22 Jun - 6 Jul
$574pp
JFK
New York John F Kennedy Intl
Virgin Atlantic
Non-Stop
LHR
London Heathrow
LHR
London Heathrow
Virgin Atlantic
Non-Stop
JFK
New York John F Kennedy Intl
8 Jun - 8 Jul
$580pp
JFK
New York John F Kennedy Intl
Virgin Atlantic
Non-Stop
LHR
London Heathrow
LHR
London Heathrow
Virgin Atlantic
Non-Stop
JFK
New York John F Kennedy Intl

Last minute flights from USA to London

Late deals on round-trip flights to London from USA, departing today and this week
17 May - 26 May
$453pp
EWR
Newark
TAP AIR PORTUGAL
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
TAP AIR PORTUGAL
 
1 STOP
EWR
Newark
17 May - 25 May
$457pp
EWR
Newark
TAP AIR PORTUGAL
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
TAP AIR PORTUGAL
 
1 STOP
EWR
Newark
17 May - 23 May
$465pp
EWR
Newark
TAP AIR PORTUGAL
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
TAP AIR PORTUGAL
 
1 STOP
EWR
Newark

One-way flights to London from USA

The cheapest one-way flights from USA to London
1:55 pm - 6:55 pm
TAP AIR PORTUGAL
1 Stop
24h 00m
EWR - LHR
TAP AIR PORTUGAL
$184
mytrip.com
1:55 pm - 6:55 pm
TAP AIR PORTUGAL
1 Stop
24h 00m
EWR - LHR
TAP AIR PORTUGAL
$188
mytrip.com
7:00 pm - 6:55 pm
TAP AIR PORTUGAL
1 Stop
18h 55m
EWR - LHR
TAP AIR PORTUGAL
$189
mytrip.com

Related info for your journey

Useful info, stats and facts about <span class="emphasized">USA</span> to <span class="emphasized">London</span> flights.

Flight FAQs

From USA to London

Are flight prices decreasing from USA to London due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both USA and London for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

Which airlines flying from United States to London have flexible cancellations due to COVID-19?

Some of our airline partners flying from United States to London have new flexible policies in place due to COVID-19. British Airways, United Airlines, and Virgin Atlantic are some of the carriers where you may find flexible cancellation policies. You can use our site to filter for airlines like British Airways with this kind of flexibility.

Can I find flights from USA to London for under $400 on Cheapflights?

Yes, there are multiple flights from USA to London for under $400. The cheapest flight booked recently is on SAS for just $302, but on average you can expect to pay $329.

Are there nonstop flights from USA to London for under $600 on Cheapflights?

Cheapflights has at least 20 direct flights from USA to London under $600. A good price for a nonstop flight from USA to London is less than $590.

Are there last-minute flights available from USA to London for under $500?

There are currently 20+ open flights from USA to London within the next 7 days for less than $500.

What are the most popular airlines that fly from USA to London?

Before booking your flight from USA to London check out the most popular airlines for this route: Major Airline, American Airlines or Air Canada.

What are the most popular routes from USA to London?

The most popular route from USA to London is New York John F Kennedy Intl - London Heathrow. You may also consider Newark - London Heathrow or Los Angeles - London Heathrow.

What are the cheapest Flights from USA to London?

While on average a flight from USA to London is generally $1,701, our data shows the cheapest flight currently is $175. When looking at the most popular route, (New York John F Kennedy Intl - London Heathrow), you can expect to pay $480 for that flight.

What are the most reliable airlines from USA to London?

The top 3 most reliable airlines when flying from USA to London are Qatar Airways (95%), Fiji Airways (95%) and EL AL (95%).

How long is the flight from USA to London?

American Airlines, Air Canada, and Icelandair can get you from USA to London in just under 6h 51m. Your travel time can differ by up to 3h 14m. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

What are the cheapest airlines flying from USA to London round-trip?

Our cheapest airline available from USA to London is SAS. Our recent data shows that you can find tickets from as low as $302 on this airline. An additional option worth looking into is TAP AIR PORTUGAL, starting at $347.

What are the cheapest airlines to fly from USA to London one-way?

To fly one-way, consider booking your trip with TAP AIR PORTUGAL, which is currently one of the cheapest options available, starting at $184.

Departure points for flights from USA to London

Select to see more specific information for flights to London from all departure points in USA.
Show more

Destination information for London

Things to know before you go - useful duration and weather info for your trip from USA to London.
Today's exchange rate
$1 = £0.71
Average temperature for May in London
64.4 °F
Avg rainfall for May in London
2.0 ″

Airports servicing London

Gatwick (LGW)
City (LCY)
Stansted (STN)
Luton (LTN)
Southend (SEN)

Top 10 airlines flying from USA to London

The chart below displays the airlines Cheapflights users traveling from USA to London choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
Air Europa
$275 $451 No cancel fee 83%
WOW air
$281 $475 No cancel fee N/A

We couldn't confirm the COVID-19 safety measures taken by WOW air. Please check directly on their website for additional information.

SWISS
$346 $573 No cancel fee 79%
Alitalia
$391 $592 No cancel fee 81%
TAP AIR PORTUGAL
$155 $625 No cancel fee N/A
WestJet
$375 $761 No cancel fee 60%
Icelandair
$348 $812 No cancel fee 76%
Eurowings
$340 $815 No cancel fee 87%
SAS
$271 $820 No cancel fee 77%
Aeroflot
$668 $1,032 No cancel fee 79%