$139 Cheap Flights to London
One-way
Departing from
United States
Going to
London, United Kingdom
London (LGW)
United Kingdom • January, 2026
96% AI deal score
$865 $139
London (LGW)
United Kingdom • February, 2026
96% AI deal score
$865 $158
London (LGW)
United Kingdom • February, 2026
96% AI deal score
$865 $158
London (LGW)
United Kingdom • February, 2026
96% AI deal score
$865 $158
Top Cheap Flight Deals from United States to London
Recent round-trip flight deals to London
Tue, Jan 20 - Sun, Jan 25
Cheapest
Chicago (ORD) - London (LHR)
Swiss International Air Lines airlines • 1 stop • Zürich (ZRH)
London (LHR) - Chicago (ORD)
Austrian Airlines airlines • Direct
$315
$24
-$291
92%
Tue, Jan 20 - Sun, Jan 25
Chicago (ORD) - London (LHR)
Swiss International Air Lines airlines • 1 stop • Zürich (ZRH)
London (LHR) - Chicago (ORD)
Austrian Airlines airlines • Direct
$315
$24
-$291
92%
Tue, Jan 20 - Sun, Jan 25
Chicago (ORD) - London (LHR)
Swiss International Air Lines airlines • 1 stop • Zürich (ZRH)
London (LHR) - Chicago (ORD)
Austrian Airlines airlines • Direct
$315
$24
-$291
92%
Tue, Jan 20 - Sun, Jan 25
Chicago (ORD) - London (LHR)
United Airlines airlines • Direct
London (LHR) - Chicago (ORD)
United Airlines airlines • 1 stop • Brussels (BRU)
$315
$62
-$253
80%
Tue, Jan 20 - Sun, Jan 25
Chicago (ORD) - London (LHR)
United Airlines airlines • Direct
London (LHR) - Chicago (ORD)
United Airlines airlines • 1 stop • Frankfurt (FRA)
$315
$62
-$253
80%
Tue, Jan 20 - Sun, Jan 25
Chicago (ORD) - London (LHR)
United Airlines airlines • 1 stop • New York (EWR)
London (LHR) - Chicago (ORD)
United Airlines airlines • 1 stop • Frankfurt (FRA)
$315
$62
-$253
80%
The cheapest time to fly to London
Ready to jet to London on a budget? Check out these popular routes with surprisingly cheap fares (one-way prices):
Facts About Flights from United States to London
To help you plan your journey, here are some quick London flight facts and tips.
London city airports
London is served by six major international airports, each offering a unique travel experience and catering to different needs. Heathrow (LHR), the busiest airport in Europe, is a global hub offering extensive connections worldwide. Gatwick (LGW), the second busiest, provides a mix of short-haul and long-haul flights, including many leisure routes. Stansted (STN) is a popular choice for low-cost carriers and European destinations. Luton (LTN) also focuses on budget airlines and European travel. London City (LCY), located closer to the city center, caters to business travelers with short-haul flights and efficient service. Southend (SEN), further afield, offers a quieter alternative with a growing number of European routes. Each airport has its own distinct character, transport links, and range of services, allowing travelers to choose the best option for their journey.
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 London
Cheapest airport
London Stansted (STN)
Looking for a budget-friendly gateway to London? London Stansted (STN) is your answer! Located northeast of the city, it is well-connected by trains and buses, making it a convenient option for savvy travelers. While it mainly hosts budget airlines, you'll find great deals to explore London and beyond.
Nonstop vs. 1-stop
100+ cities
London is a major hub connecting travelers to over 100 cities, making it a breeze to hop over to New York, Dubai, or Hong Kong!
LGW Airport Deal Stats
Current most discounted routes
Avg. most discounted routes (last 3 months)
LGW airport insights
Best days to catch a deal
Sun, Sat
Based on the provided data, Sunday is the best day to find cheap flight deals from Gatwick airport. Wednesday, Monday and Tuesday could also offer better deals than Friday, Thursday and Saturday.
Avg. deal survival time
6.4 hours
Deals from Gatwick Airport typically last around 6.4 hours. It is important to book quickly when you find a deal you like, as these deals can disappear fast.
Rare deal frequency
19 deals
In the past month, our system identified 19 rare deals for flights from Gatwick airport. These rare deals, which include mistake fares, special promotions, or ultra-discounts, received an AI Deal Score of 90+.
Average price drop
-89%
The average price drop for flights from Gatwick Airport is 89.1%, indicating a significant potential for savings. This substantial decrease suggests that travelers flying from Gatwick can often find much cheaper fares compared to the initial prices.
Next 4 weeks: deal forecast
Gatwick Forecast Next Month
Based on current trends, flights from Gatwick are expected to remain stable next month with a slight increase due to the holiday season. No major price drops are anticipated, so booking in advance is recommended to secure the best deals.
Top 5 biggest price drops (last 3 months)
Found on December 19
Bratislava - LGW
$4,325 → $82
98%
Found on December 18
Bristol - LGW
$1,835 → $70
96%
Found on December 23
Timișoara - LGW
$1,405 → $57
96%
Found on December 17
Abbotsford - LGW
$4,875 → $251
95%
Found on December 21
Szczecin - LGW
$1,485 → $74
95%
Check these nearby airports too
Looking for more options? These airports near LGW sometimes drop rare deals too:
London City (LCY)
~10 rare deals/month
Southampton (SOU)
~5 rare deals/month
If you’re flexible with departure cities, it’s worth keeping an eye on nearby airports — especially LCY and SOU for long-haul deal surprises.
When Is the Best Time to Fly from United States to London
Timing is everything when hunting for cheap flights. Here are data-backed insights on the best times to fly to London:
Cheapest month
January
Cheapest month
January is typically the cheapest month to fly to London City. While it might be chilly, you'll find fewer tourists and lower prices on flights and accommodations. Plus, London's indoor attractions, like museums and theaters, are perfect for escaping the winter weather, making it a savvy time to explore the city.
Best day to book
Tuesday
Best day to book
Tuesday is often the golden day to book flights to London City! Airlines tend to release deals early in the week, and by Tuesday, you might catch some of the best offers. Keep an eye on those mid-week discounts to snag a bargain for your London adventure.
Cheapest days to fly
Wednesday
Cheapest days to fly
Flying to London City on a Wednesday can save you some serious cash. Mid-week flights are generally less popular, prompting airlines to lower prices to fill those seats. So, consider starting your London exploration mid-week to keep your wallet happy!
Advance booking sweet spot
2 months
Advance booking sweet spot
The sweet spot for booking flights to London City is often around two months in advance. This timeframe usually offers a balance between availability and affordability. Booking too early might mean higher prices, while waiting too long could lead to limited options and increased costs.
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:
London Heathrow Airport (LHR)
As the UK's largest and busiest airport, Heathrow is a global hub connecting London to destinations worldwide. You'll find an extensive array of shops, restaurants, and lounges to keep you entertained during your travels. Located about 15 miles west of central London, Heathrow is easily accessible via the Heathrow Express train, the London Underground (Piccadilly line), buses, and taxis. The Heathrow Express is your quickest option into Paddington Station. Be sure to explore the various terminals; some even feature art installations!
Tip: Check your terminal in advance to navigate efficiently through this expansive airport.
London Gatwick Airport (LGW)
Gatwick, the second-busiest airport in the UK, offers a mix of international and domestic flights, including a wide range of budget-friendly options. The airport boasts a selection of shops, restaurants, and services to cater to travelers' needs. Situated approximately 30 miles south of Central London, you can reach the city via the Gatwick Express train to Victoria Station, as well as other train services, buses and taxis. With two terminals, North and South, Gatwick provides various connections to Europe and beyond. Consider exploring the নামাজ interfaith chapel for a moment of peace.
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 your camera ready to explore iconic landmarks like the Tower of London, Buckingham Palace, and the Houses of Parliament. Don't forget to ride the London Eye for breathtaking panoramic views of the city! Each site is steeped in history and offers a unique glimpse into London's rich heritage.
Arts & Culture
Immerse yourself in London's vibrant arts scene by visiting world-class museums such as the British Museum and the National Gallery. Catch a captivating performance in the West End, or explore cutting-edge contemporary art at the Tate Modern. There's always something to inspire and delight!
Food & Nightlife
Indulge in a culinary adventure through London's diverse food scene, from traditional pubs to Michelin-starred restaurants. As the sun sets, experience the city's buzzing nightlife in trendy bars, live music venues, and exclusive clubs. Cheers to unforgettable evenings in London!
Shopping & Fashion
Shop 'til you drop in London's famous shopping districts like Oxford Street, Regent Street, and Covent Garden. Discover high-end fashion, unique boutiques, and vintage treasures. Whether you're after designer labels or quirky finds, London has something for every style and budget!
Nearby Getaways
Escape the city bustle with a day trip to charming nearby destinations like Windsor Castle, Stonehenge, or the Cotswolds. Explore historic towns, picturesque countryside, and stunning natural landscapes. These getaways offer a perfect contrast to the city's vibrant energy and a chance to unwind.
Events in London This Month
crepe city 30 november
Crepe City London is an unmissable sneaker and streetwear event taking place on Sunday, July 6th. Immerse yourself in a world of exclusive footwear and urban fashion.
kwes e
Kwes e, a rapper and producer from Canterbury, blends contemporary hip-hop, afrobeat, and nocturnal electronica, creating a distinctive sound characterized by introspection and rhythm.
christmas lights in the city 10k tour - merrily medium
The Christmas Lights in the City 10k Tour - Merrily Medium is a 10K running event held in London, Greater London, starting on Saturday, November 22, 2025.
jacinda ardern
Jacinda Ardern, the former Prime Minister of New Zealand, shares her story and inspires a new generation of leaders by redefining leadership and prioritizing kindness.
London Weather
Weather in London
Wed, Dec 24
10%
6° 3°
10%
Thu, Dec 25
Frequently Asked Questions About Flights to London
Pro Tips for Finding Cheap Flights to London
Finally, to wrap up, here’s a cheat sheet of pro tips that experienced travelers use to save on London flights:
Be Flexible with Your Dates: Flying mid-week or during the off-season can seriously slash those ticket prices. Think of it as London calling your name for less!
Consider Alternative Airports: London has several airports – Heathrow, Gatwick, Stansted, Luton, and City. Sometimes flying into a less popular airport can save you a pretty penny.
