Cheap flights from London to Phoenix from $345

In general, September is the cheapest month to fly from London to Phoenix Sky Harbor Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $769. If you are unable to visit Phoenix Sky Harbor Intl Airport during the month of September, then departing from London during the month November is also very affordable. Most momondo users find prices during this month for around $822.

On average, the least expensive day to fly to Phoenix Sky Harbor Intl Airport from London is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $814. However, this price may fluctuate depending on the airline, the season, and holidays. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $1,054. These prices are subject to change though, so be sure to set up a Price Alert for flights to Phoenix Sky Harbor Intl Airport.

In the morning is the cheapest time of day to fly from London to Phoenix Sky Harbor Intl Airport when you can find flight prices for as low as $867. Flying to Phoenix Sky Harbor Intl Airport in the morning is an ideal time because this is during off-peak travel hours. Try not to purchase tickets at noon because they tend to be around $943. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

You are more likely to see cheaper flights to Phoenix Sky Harbor Intl Airport from London when booking weeks ahead of your departure date. In general, you can expect to find flights to Phoenix Sky Harbor Intl Airport for around $924 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Phoenix Sky Harbor Intl Airport from London for as low as $804 on momondo.

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

You could potentially save up to 32% on your flight if you consider stops on a London to Phoenix Sky Harbor Intl Airport flight.

As of March 2026, prices for London to Phoenix Sky Harbor Intl Airport flights are approximately 27% cheaper when compared to flights at the same time last year.

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

British Airways, American Airlines and JetBlue are the top three most popular airlines that fly to Phoenix Sky Harbor Intl Airport from London according to our data. British Airways is the first choice among our users, with 53% of people opting to fly with this airline when traveling to Phoenix Sky Harbor Intl Airport. Keep in mind that there are 4 different airlines that fly to Phoenix Sky Harbor Intl Airport on a routine basis, so you have a few additional options to choose from.

Historically, on average around 24% 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 163 minutes.

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

Wednesday is statistically the day of the week which experiences the fewest number of 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 least number of delays on this route over the last 12 months; with about 23% of their flights experiencing any sort of delay.

The number of flights available between London and Phoenix Sky Harbor Intl Airport is 5 per day as of March 2026. The most frequent departure time is 2:00PM, with 100% of daily flights leaving in the afternoon.

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