New York to London: The Airport You Land At Is Worth $374

This is the busiest long-haul route on earth, and the most commonly mispriced. Not because the fares are strange, but because almost everyone searches it as LON — a metro code covering five airports up to two hours apart, served by different airlines, at prices that are not close to each other.

The airport is worth more than the airline

Airport	Cheapest round trip	Premium	Routing	Cheapest nonstop
LGW Gatwick	$526	cheapest	Nonstop, Norse Atlantic UK · 7h 00m	$526 Norse Atlantic UK
LHR Heathrow	$779	+$253	Nonstop, British Airways · 6h 55m	$779 British Airways
STN Stansted	$900	+$374	1 stop, Royal Air Maroc · 14h 30m	none

Gatwick is $526 and Heathrow is $779, and the cheap one is the nonstop.

That inverts the usual assumption twice over. The secondary airport is normally the awkward connection you accept to save money; here it is a direct flight. And the premium airport is normally where the competition is; here Heathrow's slot-constrained incumbents are priced above a newer entrant at Gatwick.

Stansted at $900 is the reminder that "secondary airport" is not a strategy. It is cheap inside Europe because Ryanair bases aircraft there, and it is expensive from the US because almost nothing flies there from the US — the same mechanism our airport guide found across four European cities.

Gatwick to central London is about 30 minutes on the Gatwick Express against 15 on the Heathrow Express. Against a fare difference that size, fifteen minutes is not a close call.

Heathrow, priced airline by airline

If you need Heathrow specifically — a connection onward, a status run, a hotel already booked at Terminal 5 — this is what it costs:

Carrier	Fare	Routing	Best verified seat
SAS	$664	via CPH	8/10
TAP Air Portugal	$670	via LIS	8/10
ITA Airways	$784	via FCO	10/10
American	$796	nonstop	10/10
British Airways	$796	nonstop	10/10
Virgin Atlantic	$815	nonstop	10/10
Delta	$815	nonstop	10/10
JetBlue	$822	nonstop	10/10

The cheapest fare into Heathrow in our carrier grid was $664 on SAS through Copenhagen, with TAP through Lisbon behind it, and every nonstop operator priced above both. That is the ordinary shape of a transatlantic route and it is worth understanding: a carrier flying you nonstop is selling this route, while a carrier routing you through its own hub is selling a seat on two flights it already operates and will discount to fill them.

The gap here is modest — a few hundred dollars for a detour through Scandinavia — which is what a genuinely competitive market looks like. Compare it with Chicago to London, where the same choice is worth almost a thousand dollars.

Business class, where the spread stops being reasonable

Carrier	Fare	Routing	Best verified seat
Icelandair	$2,338	via KEF	0/10 — recliner
Air Serbia	$3,059	via BEG	5/10
TAP Air Portugal	$3,682	via LIS	8/10
JetBlue	$5,143	nonstop	10/10
Virgin Atlantic	$5,972	nonstop	10/10
British Airways	$6,047	nonstop	10/10
American	$6,047	nonstop	10/10
Delta	$8,630	nonstop	10/10

Business on this route ran from $2,338 to $8,630 in the same fixed week. Same city pair, same nights, a difference of thousands.

The bottom of that range is Icelandair through Keflavik, and the honest caveat is that Saga Premium is a wide recliner rather than a lie-flat bed — 0 out of 10 on our seat scoring. The top is the Heathrow nonstops, where British Airways' Club Suite scores 10 and its older Club World scores 5 on the same route at the same fare, so check the aircraft before you conclude you have bought the better product.

What to actually do

1. Price Gatwick and Heathrow separately. Not LON. The metro code is why most people never see the $253.
2. If Heathrow is required, check the connecting options before accepting a nonstop — but do not expect the Chicago-sized gap. This market is competitive.
3. In business, check the aircraft, not just the airline. A Club Suite and a Club World seat sell for the same money on the same day.
4. If your dates are flexible, London is not the cheap way into Europe at all. The city sits 29th of the 40 European arrivals we price, at a $771 median against Dublin's $681 — and Dublin is the better-connected airport of the two for onward travel to Britain.

Why this route behaves differently from most

Two structural facts explain nearly everything above, and both are checkable.

Heathrow is slot-constrained and Gatwick is not. A carrier cannot simply add a Heathrow frequency because demand is there; it has to acquire a slot. That protects the incumbents' pricing and it is why a newer entrant went to Gatwick and priced below them. The premium airport being the expensive one is not a service difference — it is a supply constraint.

Every carrier that matters already flies it. Our carrier grid found 196 routes where Delta and United overlap across the whole Atlantic; on this single city pair, eight airlines competed in economy. That density is why the connecting discount here is small. A connection saves money when it is the only alternative to a monopoly nonstop, and on New York to London there is no monopoly to undercut.

The corollary is worth carrying to other routes: the size of the connecting discount tells you how competitive the nonstop market is. Where it is small, as here, you are in a healthy market and should book on schedule. Where it is a thousand dollars, as on Chicago to London, you are looking at a route two or three carriers have to themselves.

When the answer is not London at all

London is the default arrival for a great many trips that do not need it, and our grid is unusually clear on the cost of that habit. London ranks 29th of the 40 European cities we price, at a $771 median. Dublin is $681, Paris $690, Rome $669.

If Britain is the destination, London is the right answer and the only question is which airport. If Britain is the first stop on a longer trip, the arithmetic changes — and if Scotland is the destination, flying into Dublin instead of Edinburgh saves $136 on the median before you account for the onward hop.

What these numbers are

Two datasets, deliberately not merged. The airport table prices every London airport individually from New York on one day, which is the only way to compare LGW against LHR. The carrier tables price JFK to Heathrow specifically, every airline in the same fixed week, so a difference between two carriers is a difference between two airlines rather than two sets of dates.

Both are snapshots, refreshed monthly. They describe the market, not today's screen — for that, the Fare Deal Checker will tell you where a fare you have found sits against them.

The tightest market we price is the same city to a different capital: New York to Paris, where six airlines sit within a few dollars of each other. For the same question from other cities, see cheap flights from New York and the routes hub. For which London airport when you are not flying from New York, the airport guide prices Boston too.