Cheap flights to London.

5 US gateways tracked, from $420 round-trip. Live metasearch pricing via Aviasales (Expedia, Trip.com, Kiwi, Booking, Priceline — all in one click).

Flying to London.

How much does a flight to London cost?

Typical-low round-trip fares to London start at $420 from New York — John F. Kennedy — that's the floor we've tracked, not the average. Most transatlantic US gateways land in the $420–$540 range in shoulder season. Live metasearch prices update when you click any "Search flights" button on this page.

Which US airport has the cheapest flights to London?

From our tracked routes, New York — John F. Kennedy (JFK) has the cheapest anchor fare at $420. Norse, British Airways, and Virgin fight on this route — winter sub-$450 is common.

When is the best time to fly to London for cheap fares?

Shoulder-season windows for London vary by gateway — the route table above lists each one. Broadly, late autumn (Oct–Nov) and deep winter (Jan–Feb) are the most reliable cheap windows for long-haul fares; summer peaks push prices 40–60% higher.

Are flights to London direct or do I need connections?

It depends on the origin — hubs like JFK, ORD, LAX, and EWR have direct long-haul service to most big destinations; smaller airports usually connect through those hubs. Aviasales (where every CTA on this page routes) shows direct-only filters and connection counts on the results page.

How do the prices on this page compare to Google Flights?

The "typical low" anchors here come from our editor's historical tracking, not real-time scraping. The CTAs route to Aviasales metasearch, which pulls live fares from Expedia, Trip.com, Kiwi, Booking, Priceline, and the airlines directly — usually matching or beating Google Flights on the same routes.