🇬🇧

Cheap Flights to London

World-class museums, historic landmarks & vibrant culture — with unbeatable transatlantic fares

Flight Deals to London

London is the most popular transatlantic destination and benefits from fierce airline competition, making it one of the cheapest European cities to fly to from the US. With six airports and dozens of carriers competing for passengers, deals appear constantly — especially from East Coast cities where fares regularly drop below $400 roundtrip.

Best Time to Fly to London

January through March offers the cheapest fares. October-November is also good value with pleasant autumn weather.

This Week's Picks

See What You're Missing

Real deals from this week - subscribers get these and more, every Friday.

This week: London flights from £52
🇬🇧From London

This week: London flights from £52

Amsterdam for £52, Lisbon for £64, Toronto from £269 return - plus Business Class deals to Hong Kong, LA and Dubai for premium subscribers. Over 110 deals inside.

Sep 5
San Francisco to Dublin for $241?$241
🇺🇸From San Francisco

San Francisco to Dublin for $241?

SFO to Dublin at $241 round-trip is 100% below typical - plus Shanghai for $407 and Sydney for $546 from San Francisco this week.

Sep 4
Los Angeles to Amsterdam for $396?$396
🇺🇸From Los Angeles

Los Angeles to Amsterdam for $396?

LAX → Amsterdam for just $396 round-trip - 100% below typical - plus Beijing for $341 and Melbourne for $360. This week's free tier is stacked.

Sep 4
US Cities to Los Angeles for $802?$802

US Cities to Los Angeles for $802?

Denver to LA at $802 round-trip is 100% below its typical median price - plus SEA to London for $4,248 and ATL to Seoul from $1,603 round-trip.

Sep 4
Washington DC to Lisbon for $245?$245
🇺🇸From Washington DC

Washington DC to Lisbon for $245?

IAD → Lisbon for just $245 round-trip - 100% below typical - plus Madrid at $262 and Amsterdam at $317, all direct from Dulles.

Sep 4
Boston to Lisbon for $2232?$2232
🇺🇸From Boston

Boston to Lisbon for $2232?

BOS to Lisbon is 100% below its typical price this week - plus direct Cancun flights from just $137 and London Heathrow from $543 round-trip.

Sep 4

Want more deals like these?

Tips for Finding Cheap Flights to London

Fly to London From

🇺🇸New York→🇺🇸Boston→🇺🇸Philadelphia→🇺🇸Chicago→🇺🇸Washington DC→🇺🇸Miami→🇺🇸Los Angeles→🇺🇸San Francisco→🇺🇸Atlanta→

Other Popular Destinations

🇯🇵Flights to Tokyo→🇮🇹Flights to Rome→🇪🇸Flights to Barcelona→🇮🇪Flights to Dublin→🇳🇱Flights to Amsterdam→🎰Flights to Las Vegas→

Frequently Asked Questions

What is the cheapest flight to London?

Roundtrip flights from the US East Coast regularly drop to $300-400 during sales. From NYC, fares under $350 appear several times per year on carriers like Norse Atlantic, JetBlue, and TAP.

Which London airport should I fly into?

Heathrow (LHR) has the best transport links and most full-service flights. Gatwick is good for budget carriers. Stansted and Luton are cheaper but further from central London.

How far in advance should I book?

For the best London fares, book 2-4 months ahead for economy. However, last-minute sales and error fares can offer even better prices — subscribe to get alerted.

Get London Flight Deals

Subscribe to receive cheap flights to London and other destinations every Friday.