What are the cheapest airlines to fly from USA to London Heathrow Airport 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 $161. Virgin Atlantic flights start at $189 while deals on JetBlue start at $199 one-way.

What is the cheapest month to book a flight from USA to London Heathrow Airport?

Currently, November is the cheapest month in which you can book a flight from USA to London Heathrow Airport (average of $661). Flying from USA to London Heathrow Airport in June is currently the most expensive (average of $1,097). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Weekly flight availability from USA to London Heathrow Airport

The most flights from US0 to LHR are scheduled on a Monday (56 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (52 on average).

In terms of precipitation, rainfall in London Heathrow Airport ranges from 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. July is typically the driest time to visit London Heathrow Airport when rainfall is around 1.6 in.

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

What are the most popular routes from USA to London Heathrow Airport?

Most travelers choose New York John F Kennedy Intl - London Heathrow, Newark - London Heathrow or New York LaGuardia - London Heathrow when deciding on the best route from USA to London Heathrow Airport.

What are the cheapest flights from USA to London Heathrow Airport?

The cheapest flight price from USA to London Heathrow Airport is $366. On average you can expect to pay $3,051. The most popular route, (New York John F Kennedy Intl - London Heathrow), can usually be booked for $366.

What are the most reliable airlines from USA to London Heathrow Airport?

The top 3 most reliable airlines when flying from USA to London Heathrow Airport are KLM (92%), Air France (92%) and Delta (92%).

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

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

How far in advance should I book a flight from USA to London Heathrow Airport?

Find a great deal and save up to 22% by booking at least 31 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from USA to London Heathrow Airport within the next two weeks, with the cheapest ticket starting at $617.

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

Our data shows that January tends to be the cheapest month to fly to London Heathrow Airport from USA. Users have commonly found prices around $561 for the month, but tickets can be as low as $375. Due to multiple factors, prepare for potentially higher prices in December.

What is the cheapest time of day to fly from US to LHR?

When flying from USA to London Heathrow Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Can I find deals for flights from USA to Heathrow that include hotel bookings?

Yes. In addition to deals on USA to Heathrow flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from USA to Heathrow?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from USA to Heathrow.

Can I find deals for business class flights from USA to Heathrow?

Yes. Cheapflights offers flight deals from USA to Heathrow by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$161+ Cheap Flights from the United States to London Heathrow Airport

Round-trip from	$425 (Scandinavian Airlines)
One-way from	$161 (Mytrip)
Popular in	December
Cheapest in	January
Average price	$559
Good round-trip deal	$512 or less
Good one-way deal	$223 or less

Virgin Atlantic's Upper Class offers lie-flat beds, lounge access, and a four-course meal on long-haul flights.

Virgin Atlantic's Premium cabin offers cushy leather seats, priority boarding, and hot meals on long-haul flights.

Airline	Cheapest	Average	Flexibility	On-time
JetBlue	Cheapest$51	Average$755	FlexibilityNo cancel fee	On-time62%
Lufthansa	Cheapest$197	Average$785	FlexibilityNo cancel fee	On-time76%
Scandinavian Airlines	Cheapest$203	Average$589	FlexibilityNo cancel fee	On-time77%
WestJet	Cheapest$272	Average$1,046	FlexibilityNo cancel fee	On-time60%
Norse Atlantic UK	Cheapest$280	Average$575	FlexibilityNo cancel fee	On-timeN/A
SWISS	Cheapest$283	Average$620	FlexibilityNo cancel fee	On-time79%
Virgin Atlantic	Cheapest$322	Average$759	FlexibilityNo cancel fee	On-time72%
Air France	Cheapest$340	Average$629	FlexibilityNo cancel fee	On-time77%
Air Canada	Cheapest$354	Average$736	FlexibilityNo cancel fee	On-time67%
KLM	Cheapest$366	Average$715	FlexibilityNo cancel fee	On-time75%

$161+ Cheap flights from the United States to Heathrow (LHR)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/5. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheap flight deals from USA to Heathrow

Keep the following information in mind while searching for USA to Heathrow flight deals. Data was last updated August 16, 2025.

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Find flight deals from USA to Heathrow

Cheapest flights from USA to HeathrowExplore the most affordable flight options available from USA to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 16, 2025.

Explore the most affordable flight options available from USA to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 16, 2025.

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The best insider tips for theUnited States to London Heathrow Airport flights

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Best time to book a flight from USA to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from USA with our price prediction graph.

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Everything you need to know about your flight from the United States to London Heathrow Airport

What is the cheapest month to book a flight from USA to London Heathrow Airport?

What is the cheapest time of day to fly from US to LHR?

Find hourly flight availability from USA to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 16, 2025.

Weekly flight availability from USA to London Heathrow Airport

Explore weekly flight availability from USA to Heathrow. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated August 16, 2025.

Reviews of airlines servicing Heathrow

See what other customers who have flown with Delta, United Airlines, and American Airlines from the United States to London Heathrow Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from USA to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

What are the most popular routes from USA to London Heathrow Airport?

What are the most reliable airlines from USA to London Heathrow Airport?

What are the cheapest flights from USA to London Heathrow Airport?

Can I find deals for flights from USA to Heathrow that include hotel bookings?

How can I find direct flights from USA to Heathrow?

Can I find deals for business class flights from USA to Heathrow?

What is the cheapest month to book a flight from USA to London Heathrow Airport?

Traveling to a place near London Heathrow Airport?

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Alternative routes for USA to Heathrow

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Cheapest flights from USA to Heathrow
Explore the most affordable flight options available from USA to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 16, 2025.