Finding cheap flights to United States often depends as much on your choice of arrival city as on the fare itself. New York and Boston may suit a shorter city break, while Miami, Fort Lauderdale and Orlando can work better for Florida holidays. Los Angeles, Ontario, Houston and Atlanta offer different gateways for travellers visiting the west or south, so it is worth pricing more than one destination before settling on an itinerary. A slightly less obvious arrival point may also reduce the overall cost, provided onward transport is convenient.

Flexibility with dates can make a noticeable difference, particularly around school holidays, Christmas and other periods when demand for travel from the UK is high. Searching a range of departure and return dates helps reveal whether moving the trip by a few days improves the fare, although the cheapest ticket may come with less convenient timings or stricter change conditions. It is also sensible to compare London airports with options such as Manchester, Birmingham or Edinburgh, taking rail fares, parking and an overnight stay into account before choosing a flight.

When comparing results, look beyond the headline fare. Check baggage allowances, connection arrangements and the time needed to reach your final destination after landing. A flight to one city may appear cheaper but become less attractive once transfers or a separate onward ticket are included.

When comparing flights to United States from the UK, consider the whole journey rather than the headline fare or departure time. London airports may offer the broadest choice, while airports such as Manchester, Birmingham and Edinburgh can be more convenient if you live outside the capital. A slightly less convenient departure can become worthwhile once rail fares, overnight stays, parking and the time needed to reach the airport are included.

Your arrival airport should match your final destination and onward plans. New York, Miami, Orlando, Chicago, Atlanta, Houston and Boston may each suit different itineraries, but the most convenient airport is not always the one closest to a city centre. For example, comparing Miami with Fort Lauderdale, or Los Angeles with Ontario, can make sense when accommodation, meetings or a connecting journey are located outside the main urban area. Check how you will continue from the airport by public transport, taxi, hire car or a separate domestic flight, and allow extra time if you must change airports.

When reviewing options, compare total journey time, connection length, baggage arrangements and the airports used at each end. A cheaper itinerary with a long or complicated connection may be less practical than a straightforward service from a nearer UK airport, particularly if you are travelling with children, heavy luggage or onward reservations.