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Cheap Flights from United States (US) to London Heathrow (LHR)

Compare United States to London Heathrow flight deals

Find the cheapest month or even day of the year to fly to London Heathrow

Book the best London Heathrow fare with no extra fees

Flight deals from United States to London Heathrow

Looking for a cheap last-minute deal or the best round-trip flight from United States to London Heathrow? Find the lowest prices on one-way and round-trip tickets right here.
London.$425 per passenger.Departing Mon, May 27, returning Fri, May 31.Round-trip flight with SWISS and Lufthansa.Outbound indirect flight with SWISS, departing from New York John F. Kennedy on Mon, May 27, arriving in London Heathrow.Inbound indirect flight with Lufthansa, departing from London Heathrow on Fri, May 31, arriving in New York John F. Kennedy.Price includes taxes and charges.From $425, select.
London.$436 per passenger.Departing Sun, Oct 20, returning Wed, Nov 27.Round-trip flight with Fly Play and British Airways.Outbound indirect flight with Fly Play, departing from Washington Dulles on Sun, Oct 20, arriving in London Heathrow.Inbound indirect flight with British Airways, departing from London Heathrow on Wed, Nov 27, arriving in Washington Dulles.Price includes taxes and charges.From $436, select.
London.$440 per passenger.Departing Thu, Sep 19, returning Fri, Sep 27.Round-trip flight with Iberia.Outbound direct flight with Iberia departing from New York John F. Kennedy on Thu, Sep 19, arriving in London Heathrow.Inbound direct flight with Iberia departing from London Heathrow on Fri, Sep 27, arriving in New York John F. Kennedy.Price includes taxes and charges.From $440, select.
London.$440 per passenger.Departing Tue, Oct 1, returning Wed, Oct 9.Round-trip flight with Iberia.Outbound direct flight with Iberia departing from New York John F. Kennedy on Tue, Oct 1, arriving in London Heathrow.Inbound direct flight with Iberia departing from London Heathrow on Wed, Oct 9, arriving in New York Newark.Price includes taxes and charges.From $440, select.

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Find the cheapest month to fly from United States to London Heathrow

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like United States to London Heathrow flights are currently cheapest in May.
Apr
from $626
May
from $425
Jun
from $513
Jul
from $598
Aug
from $533
Sep
from $440
Oct
from $440
Nov
from $465
Dec
from $447
Jan
from $499
Feb
from $495
Mar
from $481

Direct flights from United States to London Heathrow

United States to London Heathrow: Alternative routes

Compare routes from United States to London below. You may find an airport to fly into that's cheaper, faster, or easier than London Heathrow.

The things to know before you go.
Cheapest flight found$425
Cheapest month to flyMay
Average flight time8 hrs, 32 mins
Most popular airlineIberia
Average flights per week7,857

How to find cheap flights to London Heathrow from United States

Looking for cheap tickets from United States to London Heathrow? Here are a few tips on how to secure the best flight price and make your journey as smooth as possible.

  • Simply hit "search." From Delta Air Lines to international carriers like Emirates, we compare all major airlines along with the most popular online travel agents to find the cheapest plane tickets from United States to London Heathrow. And with us, there are no hidden fees – what you see is what you pay.
  • Compare flight deals to London Heathrow from United States from over 1,000 providers. Then choose the cheapest plane tickets or fastest journeys.
  • Flex your dates to find the best United States–London Heathrow ticket prices. If you're flexible when it comes to your travel dates, use Skyscanner's "Whole month" tool to find the cheapest month, and even day to fly to London Heathrow from United States.
  • Set up a Price Alert. You can easily track the fare of your cheap United States–London Heathrow flights by creating an alert. Whenever prices go down or up, you'll get an email or push notification to help make sure you get the best possible flight deal.
  • Fly without stops. Only interested in direct flights between United States and London Heathrow? Make sure to tick "Direct flights only" when performing a search. If there are direct flights available on the route, these will appear in the results.
  • Find the cheapest Business Class flights from United States and London Heathrow. We scour the Internet for the best Business, Premium Economy and First Class flight fares to London Heathrow, too. Check the difference in price as you search – you might just stumble on a last-minute low fare. Note that not all cabin classes are available for every destination or airline.
  • Include nearby airports in your search. Widen your search for United States to London Heathrow flight deals by selecting the "add nearby airports" option. This will allow you to see flight prices for all the nearest airports at your departure point and your destination and could help you save the next time you travel.

    • Combine your flight to London Heathrow from United States with hotels and car rental

    Once you've secured your cheap flight ticket from United States to London Heathrow, discover the best prices and exclusive rates for hotels in London Heathrow or nearby. You can also compare hundreds of car rental companies at once so you get the best car rental price for your trip.


Plan the rest of your trip from United States to London

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.