Flights to London

Cheap flights to London

Check fares to London (LHR) in United Kingdom and fly for less. A SkyTrip Smart expert locks in the best available price by phone, any hour, any day.

From $358 round-trip8 airlines checked6h 45m fastestExperts on call 24/7

Destination guide

About London

London is a world city of royal pageantry, free museums and endless neighbourhoods to explore — from the Tower of London to the buzzing markets of the East End.

Top things to do in London

Tour the Tower of London and Crown Jewels
Ride the London Eye over the Thames
Explore the British Museum for free
Watch the Changing of the Guard
See a West End show

When to book

Best month to fly to London

Roughly the lowest round-trip price from the US, broken down by month.

Jan

$369

Feb

$358

Mar

$383

Apr

$419

May

$465

Jun

$530

Jul

$580

Aug

$566

Sep

$448

Oct

$401

Nov

$376

Dec

$487

Cheapest monthPeak season

At a glance

Flight time, distance & essentials

6h 45m

Quickest flight

Fastest routing from the US. Connections add time.

3,450 mi

New York → London

Approximate great-circle distance.

Airlines

Nonstop and one-stop service from major US hubs.

Pound £

Currency

Cards are widely accepted.

Travel tips

Handy things to know before you go

Best time to visit

May–September brings the best weather; December is festive. Spring and autumn are cheapest.

Entry & visa

US citizens can visit visa-free for up to 6 months; an Electronic Travel Authorisation (ETA) is now required before you fly.

Getting around

Express trains and the Underground link airports to central London in 15–45 minutes.

Language & power

English is the official language. Plugs type G, 230V.

FAQ

Frequently asked questions

How much is a flight to London?

From the US, round-trip fares to London tend to start near $358 off-season and climb during busy months. SkyTrip Smart agents regularly dig up unpublished and consolidator fares below the public price — call for a live quote.

What is the cheapest month to fly to London?

For London, February is normally the cheapest month, with round-trips from about $358. Booking roughly 6–10 weeks out usually lands the best value.

Which airlines fly to London from the US?

You’ll find British Airways, United, Delta, American and others running nonstop and one-stop routes to London out of the main US hubs.

How long is a flight to London?

The quickest US routing takes around 6h 45m. Add a connection and it stretches longer, depending where you start.

Do I need a visa to visit London?

US passport holders can visit the UK visa-free for up to 6 months, but must obtain an Electronic Travel Authorisation (ETA) before departure.

Can I book my flight to London by phone?

Absolutely — phone booking is what SkyTrip Smart does best. Ring our experts any time at +1 (844) 595-3635 and we’ll compare fares, check what’s live and ticket you on the spot.