Cheap flights from Phoenix Sky Harbor Intl Airport to London from £171

The cheapest month to fly to London from Phoenix Sky Harbor Intl Airport is in March. Flight prices, which tend to average around £684, are often lower during this time because this is during the off-season. The month of January is another great option to travel to London, with average flight prices from Phoenix Sky Harbor Intl Airport averaging around £696.

Our data shows that Monday is the least expensive day to fly to London. Tickets to fly out on this day can be as low as £703. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Phoenix Sky Harbor Intl Airport to London for around £954.

The cheapest time of day to fly to London is in the afternoon when flights can be purchased for as low as £716. Flights in the evening are often more expensive, with an average ticket price of £852.

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

You are more likely to see cheaper flights to London from Phoenix Sky Harbor Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to London for around £846 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from Phoenix Sky Harbor Intl Airport for as low as £815 on momondo.

There are 2 cabin classes available to choose from on Phoenix Sky Harbor Intl Airport to London 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 19% on your flight if you consider stops on a Phoenix Sky Harbor Intl Airport to London flight.

As of November 2026, prices for Phoenix Sky Harbor Intl Airport to London flights are approximately 25% more expensive when compared to flights at the same time last year.

As of November 2026, there are 5 flights per day flying from Phoenix Sky Harbor Intl Airport to London. The most common time of day flights depart is 20:00, with 100% of flights taking off in the evening.

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