Cheap flights from Arizona to London from $298

The cheapest month to fly to London from Arizona is in October. Flight prices, which tend to average around $675, are often lower during this time because this is during the off-season. The month of September is another great option to travel to London, with average flight prices from Arizona averaging around $729.

The cheapest day to depart from Arizona to London is on a Tuesday. Travelers who choose to depart for London on a Tuesday will often find tickets for as low as $876. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $1,124. These prices are subject to change though, so be sure to set up a Price Alert for flights to London.

Flying to London from Arizona in the evening is the least expensive time of day to depart. momondo users have found prices as low as $929 when looking at flights departing in the evening. Flights to London are more costly in the afternoon, with an average ticket price of $1,013. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

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

You are more likely to see cheaper flights to London from Arizona when booking weeks ahead of your departure date. In general, you can expect to find flights to London for around $930 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from Arizona for as low as $806 on momondo.

There are 4 cabin classes available to choose from on Arizona to London flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

United Airlines, KLM, and Delta are the most popular carriers operating from Arizona to London

British Airways, American Airlines and Iberia are the top three most popular airlines that fly to London from Arizona 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 London. Keep in mind that there are 10 different airlines that fly to London on a routine basis, so you have a few additional options to choose from.

As of April 2026, there are 19 flights per day flying from Arizona to London. The most common time of day flights depart is 9:00PM, with 58% of flights taking off in the evening.

137 flights are operational weekly from Arizona to London as of April 2026. The most popular departure day for this route is Wed, with 16% of flights per week taking off on this day.