Cheap flights from London to Phoenix from €431

In general, September is the cheapest month to fly from London to Phoenix. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around €648. 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 €691.

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 €770 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 €689 on momondo.

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 163 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights departing in the early afternoon 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, American Airlines have had the fewest delays on this route over the last 12 months, with about 25% of their flights experiencing any sort of delay.

As of February 2026, there are 2 flights per day flying from London to Phoenix. The most common time of day flights depart is 14:00, with 100% of flights taking off in the afternoon.

As of February 2026, 20 flights take off from London and land in Phoenix each week. The most common flight departure day for this route is Mon, with 25% of weekly flights taking off on this day.