Flying to London from the US

Every US gateway to London

The cheapest one-week round trip found from each US metro, all searched on the same day. The spread between top and bottom is $552, which is what shopping departure airports is worth on this route.

Which airlines fly there, and what they charge

A separate comparison, holding the dates fixed at November 8–14, 2026 so the difference between two rows is the airline rather than the week.

How London compares

At a $771 median, London ranks 29 of 40 European cities we price, and 1 of 40 on how much your departure airport matters. Other British Isles cities in the data:

• Dublin$681
• Glasgow$775
• Manchester$782
• Edinburgh$817
• Belfast$895

London is one of 5 United Kingdom cities we price. The cheapest way into the country is London at $771 — see cheap flights to United Kingdom for which city to enter by, and which US airport is best for the country as a whole.

For the full ranking and why northern Europe is consistently cheaper to reach, see the cheapest places to fly in Europe. For every gateway at once, see the airports hub.

Common questions

How much does it cost to fly to London from the US?

A median of $771 round trip in economy, across 26 US gateway metros priced on August 30, 2026 for departures in the following six months. The cheapest was $405 from Orlando and the most expensive $957 from Dallas. That ranks London 29 of 40 European cities on price.

Which US airport is cheapest for flights to London?

Orlando, at $405, followed by New York at $526 and Boston at $574. Worth knowing that the cheapest gateway to London is often not the cheapest gateway overall — the two questions have different answers.

Is it worth flying from a different airport to reach London?

Probably, yes. London has one of the widest spreads in our data: $552 between the cheapest and most expensive US gateway, ranking 1 of 40. On a route like this, where you leave from is worth more than when you book.

Which airline is cheapest to London?

On our fixed comparison week (November 8–14, 2026), TAP Air Portugal was cheapest into London at $621 via LIS, against American at $1707. That comparison holds every date constant, so the difference is the airline rather than the week.