Cheap flights from London to Phoenix from £299

If you’re not able to fly to Phoenix in September, then November is your next best option. Flight prices from London to Phoenix during November average around £612.

The cheapest day to depart from London to Phoenix is on a Wednesday when prices can be found for as low as £637. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from London to Phoenix for around £706.

According to our data, the cheapest time of day to fly to Phoenix is in the afternoon. momondo users have found flights departing from London to Phoenix in the afternoon for as low as £653. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In contrast, the most expensive time of day to depart to Phoenix is in the morning when prices are around £676.

Fly from London Heathrow to Phoenix Sky Harbor Intl for the best London - Phoenix flight prices

You are more likely to see cheaper flights to Phoenix from London when booking weeks ahead of your departure date. In general, you can expect to find flights to Phoenix for around £688 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Phoenix from London for as low as £599 on momondo.

There are 3 cabin classes available to choose from on London to Phoenix flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

JetBlue, SWISS, and British Airways are the most popular carriers operating from London to Phoenix

British Airways, Finnair and American Airlines are the top three most popular airlines that fly to Phoenix from London according to our data. British Airways is the first choice among our users, with 74% of people opting to fly with this airline when travelling to Phoenix. Keep in mind that there are 12 different airlines that fly to Phoenix on a routine basis, so you have a few additional options to choose from.

Historically, on average around 25% of flights between London and Phoenix have experienced a delay on any given week. The average delay length over the past 12 months has been 161 minutes.

Generally, flights departing in the early afternoon tend to experience fewer delays. Flights departing in the morning have, in the past, seen delays more frequently in comparison.

Wednesday is statistically the day of the week that experiences the fewest delays on this flight route. Tuesday has historically seen more delays on average compared to the rest of the week.

According to our data, British Airways have had the fewest delays on this route over the last 12 months, with about 25% of their flights experiencing any sort of delay.

5 flights are operational daily from London to Phoenix as of March 2026. The most popular departure time for this route is 14:00, with 100% of flights per day taking off in the afternoon.

The number of flights available between London and Phoenix is 35 per week as of March 2026. The most frequent departure day is Mon, with 14% of weekly flights leaving on this day.