Cheap flights from Phoenix Sky Harbor Intl Airport to London from $341

The cheapest month to fly to London from Phoenix Sky Harbor Intl Airport 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 Phoenix Sky Harbor Intl Airport averaging around $729.

The cheapest day to depart from Phoenix Sky Harbor Intl Airport to London is on a Wednesday. Travelers who choose to depart for London on a Wednesday will often find tickets for as low as $869. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $1,102. These prices are subject to change though, so be sure to set up a Price Alert for flights to London.

Flying to London from Phoenix Sky Harbor Intl Airport in the evening is the least expensive time of day to depart. momondo users have found prices as low as $922 when looking at flights departing in the evening. Flights to London are more costly in the afternoon, with an average ticket price of $991. 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 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 $930 when searching weeks out. 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 $806 on momondo.

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

No. A direct flight is the cheapest option for a flight between Phoenix Sky Harbor Intl Airport to London.

As of March 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.

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

British Airways, American Airlines and Iberia are the top three most popular airlines that fly to London from Phoenix Sky Harbor Intl 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 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.

New York (JFK) was the most common stop: 85% of momondo users choosing 1-stop flights on this route connected there.

Flights via Minneapolis (MSP) offer the lowest average round-trip price of $618.

Flights connecting via Minneapolis (MSP) have the shortest average one-way travel time: 12h 10m.

Salt Lake City (SLC) has the shortest average layover time for this route: 1h 10m.

As of March 2026, 5 flights take off from Phoenix Sky Harbor Intl Airport and land in London each day. The most common flight departure time for this route is 8:00PM, with 100% of daily flights taking off in the evening.

As of March 2026, 35 flights take off from Phoenix Sky Harbor Intl Airport and land in London each week. The most common flight departure day for this route is Mon, with 14% of weekly flights taking off on this day.