Cheap flights from London Heathrow Airport to Phoenix from $647

If you are unable to visit Phoenix during the month of February, then departing from London Heathrow Airport during the month January is also very affordable. Most momondo users find prices during this month for around $881.

On average, the least expensive day to fly to Phoenix from London Heathrow Airport is on a Thursday. momondo users have found tickets for Thursday departures for as low as $924. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Monday is the most expensive day to depart from London Heathrow Airport because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,246.

The cheapest time of day to fly to Phoenix is in the afternoon when flights can be purchased for as low as $994. In the morning is when there is more demand to fly to Phoenix, so prices are often more expensive at around $1,108 per ticket.

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

You are more likely to see cheaper flights to Phoenix from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Phoenix for around $1,039 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Phoenix from London Heathrow Airport for as low as $900 on momondo.

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

United Airlines and British Airways are the most popular carriers operating from London Heathrow to Phoenix

British Airways, American Airlines and JetBlue are the top three most popular airlines that fly to Phoenix from London Heathrow Airport according to our data. British Airways is the first choice among our users, with 54% of people opting to fly with this airline when traveling to Phoenix. Keep in mind that there are 3 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 162 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights in the early afternoon 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, American Airlines 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.

9 flights are operational daily from London Heathrow Airport to Phoenix as of August 2026. The most popular departure time for this route is 4:00PM, with 55% of flights per day taking off in the afternoon.

As of August 2026, there are 63 flights per week flying from London Heathrow Airport to Phoenix. The most common day of the week flights depart is Mon, with 14% of flights taking off on this day.