$224 Cheap Flights to Heathrow
One-way
Departing from
United States
Going to
Heathrow
London (LHR)
United Kingdom • April, 2026
99% AI deal score
$1,225 $224
London (LHR)
United Kingdom • April, 2026
99% AI deal score
$990 $224
London (LHR)
United Kingdom • May, 2026
97% AI deal score
$745 $224
Top Cheap Flight Deals from United States to Heathrow
Recent round-trip flight deals to Heathrow
Mon, Mar 30 - Wed, Apr 1
Cheapest
Boston (BOS) - London (LHR)
Austrian Airlines airlines • 1 stop • New York (EWR)
London (LHR) - Boston (BOS)
Austrian Airlines airlines • 1 stop • Vienna (VIE)
$745
$350
-$395
53%
Wed, Feb 25 - Fri, Feb 27
Boston (BOS) - London (LHR)
Austrian Airlines airlines • 1 stop • New York (EWR)
London (LHR) - Boston (BOS)
Austrian Airlines airlines • 1 stop • Vienna (VIE)
$745
$350
-$395
53%
Mon, Apr 20 - Wed, Apr 22
Boston (BOS) - London (LHR)
Austrian Airlines airlines • 1 stop • New York (EWR)
London (LHR) - Boston (BOS)
Austrian Airlines airlines • 1 stop • Vienna (VIE)
$745
$351
-$394
53%
Wed, Mar 18 - Fri, Mar 20
Boston (BOS) - London (LHR)
Austrian Airlines airlines • 1 stop • Washington, D.C. (IAD)
London (LHR) - Boston (BOS)
Austrian Airlines airlines • 1 stop • Vienna (VIE)
$745
$351
-$394
53%
Mon, Apr 20 - Wed, Apr 22
Boston (BOS) - London (LHR)
United Airlines airlines • 1 stop • New York (EWR)
London (LHR) - Boston (BOS)
Austrian Airlines airlines • 1 stop • Vienna (VIE)
$745
$360
-$385
52%
Tue, Dec 1 - Thu, Dec 3
Boston (BOS) - London (LHR)
United Airlines airlines • 1 stop • New York (EWR)
London (LHR) - Boston (BOS)
Brussels Airlines airlines • 2 stops • Brussels (BRU), Montreal (YUL)
$745
$359
-$386
52%
The cheapest time to fly to Heathrow
Facts About Flights from United States to London
To help you plan your journey, here are some quick London flight facts and tips.
London airports
London's airports offer a wide array of choices for travelers. Heathrow (LHR), the UK's largest airport, is a global hub known for its extensive international connections and high-end services. Gatwick (LGW), located south of London, serves a mix of short-haul and long-haul flights, catering to both leisure and business travelers. Stansted (STN), to the northeast, is a major base for low-cost carriers, offering numerous European routes. Luton (LTN), also north of London, focuses on budget airlines and European destinations. London City (LCY), situated in the heart of London's Docklands, provides convenience for business travelers with its short runway and focus on European business centers. Southend (SEN), further east, offers a smaller, more relaxed environment with a growing number of European routes. Each airport provides different airlines, destinations, and overall travel experiences, allowing passengers to select the best option based on their needs and preferences.
Heathrow (LHR)
London, United Kingdom
Gatwick (LGW)
London, United Kingdom
London Stansted (STN)
London, United Kingdom
Luton (LTN)
London, United Kingdom
London City (LCY)
London, United Kingdom
London Southend (SEN)
London, United Kingdom
Pro tip: search “London (Any)” to see fares to all London airports – sometimes one is cheaper than the others on your dates.
Insights for flights to Heathrow
Cheapest airport
Amsterdam (AMS)
Amsterdam Airport Schiphol (AMS) is a major international airport located near Amsterdam, Netherlands. Known for its single-terminal design, it is easy to navigate and consistently ranked among the best airports in Europe for passenger experience, offering numerous amenities and services.
Nonstop vs. 1-stop
70+ cities
LHR Airport Deal Stats
Current most discounted routes
Avg. most discounted routes (last 3 months)
LHR airport insights
Best days to catch a deal
Tue, Wed
The data suggests that you are most likely to find a flight deal flying out of Heathrow on Tuesdays, followed by Wednesdays. Sunday is the single best day to find deals based on this data.
Avg. deal survival time
19.4 hours
Deals from Heathrow airport typically survive for about 19.4 hours. Therefore, you should book quickly when you find a deal that you like.
Rare deal frequency
9 deals
We found 9 rare deals for flights departing from Heathrow Airport in the past month that had an AI Deal Score of 90+. These rare deals typically include mistake fares, special promotions, or ultra-discounts.
Average price drop
-82%
Based on our data, flights from Heathrow airport experience an average price drop of 82.0%. This means you have a high chance of securing a significantly cheaper flight when prices decrease.
Next 4 weeks: deal forecast
Heathrow Flight Forecast (Next Month)
Based on current trends, flight prices from Heathrow are expected to remain relatively stable over the next month. There are no significant price drops or increases anticipated as of July 1, 2026.
Top 5 biggest price drops (last 3 months)
Found on January 7
Malé - LHR
$1,150 → $15
99%
Found on January 6
Monastir - LHR
$1,550 → $130
92%
Found on January 1
Dubai - LHR
$2,975 → $262
91%
Found on January 1
Melbourne - LHR
$3,675 → $334
91%
Found on December 31
Mexico City - LHR
$63,000 → $5,750
91%
Check these nearby airports too
Looking for more options? These airports near LHR sometimes drop rare deals too:
Gatwick (LGW)
~3 rare deals/month
Luton (LTN)
~5 rare deals/month
London Stansted (STN)
~7 rare deals/month
If you’re flexible with departure cities, it’s worth keeping an eye on nearby airports — especially LGW and LTN for long-haul deal surprises.
When Is the Best Time to Fly from United States to Heathrow
Timing is everything when hunting for cheap flights. Here are data-backed insights on the best times to fly to Heathrow:
Cheapest month
January
Cheapest month
January is typically the cheapest month to fly to London City. You'll find fewer crowds and lower prices on flights and accommodations. While it might be chilly, the city is still bustling with festive cheer from the holidays, offering a unique and budget-friendly experience.
Best day to book
Tuesday
Best day to book
Booking your flight to London City on a Tuesday can often save you some serious cash. Airlines tend to release deals early in the week, so keep your eyes peeled! Plus, fewer people are usually searching for flights on Tuesdays, giving you a better chance to snag a sweet deal.
Cheapest days to fly
Wednesday
Cheapest days to fly
Flying to London City on a Wednesday can be lighter on your wallet. Mid-week flights are generally less popular, which means airlines drop prices to fill those seats. So, if you're flexible with your travel dates, consider making Wednesday your day to jet off to London!
Advance booking sweet spot
2 months
Advance booking sweet spot
To snag the best deals on flights to London City, aim to book around two months in advance. This sweet spot allows you to capitalize on lower fares before they start climbing closer to your travel date. Planning ahead really does pay off, so get those dates locked in!
London Airports & Ground Transportation
One big question for travelers is which London airport to fly into. Here’s a quick guide to London’s airports and how to get to the city from each:
Heathrow Airport (LHR)
Heathrow Airport, London's primary international airport, is a bustling hub located west of the city. As one of the world's busiest airports, it offers an extensive range of amenities, including shops, restaurants, and lounges. Getting to and from central London is a breeze via the Heathrow Express train, which whisks you to Paddington Station in just 15 minutes. Alternatively, the London Underground's Piccadilly line provides a more budget-friendly option, though the journey takes longer. Be prepared for long walks, as the airport can be quite large.
Tip: Navigating Heathrow can be a marathon, so wear comfortable shoes!
Gatwick Airport (LGW)
Gatwick Airport, situated south of London, serves as a major airport for both international and domestic flights. It features two terminals, North and South, offering a variety of shops, restaurants, and services. Reaching central London is convenient via the Gatwick Express train, which runs directly to Victoria Station. Regular trains are also available, providing a slightly slower but more affordable option. Don't forget to factor in extra time, especially during peak travel seasons.
What to Do in London
London isn’t just about getting there – it’s about enjoying the country once you arrive! Here are some top things to do in London, organized by interest:
Sightseeing & landmarks
Get ready to be wowed by London's iconic landmarks! From Buckingham Palace to the Tower of London and the London Eye, you'll be snapping photos left and right. Don't forget to explore historic Westminster Abbey and Big Ben too.
Arts & culture
Immerse yourself in London's vibrant arts scene! Catch a world-class performance in the West End, explore masterpieces at the National Gallery, and wander through the eclectic exhibits at the Tate Modern. Street art in Shoreditch is also a must-see for something different!
Food & nightlife
Prepare your taste buds for a culinary adventure! London's food scene is incredibly diverse, from traditional pubs to Michelin-starred restaurants. As the sun sets, dive into the city's bustling nightlife with trendy bars, live music venues, and exclusive nightclubs.
Shopping & fashion
Shop 'til you drop in London's fashion-forward streets! From luxury boutiques in Mayfair to the quirky stalls of Camden Market, there's something for every style and budget. Don't miss iconic department stores like Harrods and Selfridges for a truly unique shopping experience.
Nearby getaways
Escape the city for a refreshing day trip! Explore the historic Windsor Castle, wander through the charming streets of Oxford, or soak up the coastal vibes in Brighton. These quick getaways offer a perfect contrast to London's bustling energy.
Events in London This Month
the big e&c nye party
Experience an unforgettable New Year's Eve party featuring the best of Popcaan, Davido, Wiz Kid, Drake, J-Hus, Burna Boy, Steff-London and Tory Lanez.
nye25
Join Afrobeats N Brunch and Reggae Brunch for their third annual New Year's Eve celebration in London. Ring in the New Year with a night of music, dancing, and unforgettable memories.
cafe mambo ibiza nye
Café Mambo Ibiza returns to London this New Year's Eve for the biggest party of the year! Celebrate the arrival of 2026 with the iconic Ibiza brand as they bring their signature sound and energy to the capital.
back to the old skool
Celebrate New Year's Eve with a 'Back to the Old Skool' party, featuring a diverse lineup of Garage, Jungle, Breakbeat, Rave, and feel-good house music that will take you back in time.
London Weather
Weather in London
Wed, Jan 7
10%
5° 2°
10%
Thu, Jan 8
Frequently Asked Questions About Flights to Heathrow
Pro Tips for Finding Cheap Flights to Heathrow
Finally, to wrap up, here’s a cheat sheet of pro tips that experienced travelers use to save on Heathrow flights:
Be Flexible with Dates: Heathrow doesn't change location, but prices sure do! Flying mid-week or during the off-season can unlock significantly cheaper fares.
Consider Nearby Airports: Don't limit yourself! London is served by several airports. Check prices at Gatwick, Stansted, Luton, and City Airport. You might snag a steal and a scenic train ride!
