$578 Cheap Flights from London (LHR) to Phoenix (PHX)

Popular airlines from Heathrow Airport (LHR) to Phoenix Sky Harbor Intl. Airport (PHX)

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Find available prices by choosing your travel dates.

Cheap Flights from London to Phoenix (LHR-PHX)

Prices were available within the past 7 days and start at $578 for one-way flights and $729 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

JetBlue Airways
JetBlue Airways
JetBlue Airways
JetBlue Airways
Lufthansa
Brussels Airlines
British Airways
Austrian Airlines
Delta
Iberia
Flights from London (LHR) to Phoenix (PHX)
Origin airport
Heathrow
Destination airport
Sky Harbor Intl.
Airlines serving
Aer Lingus, Air Canada, Air France, American Airlines, Austrian Airlines, British Airways, Brussels Airlines, Delta, Finnair, Iberia, JetBlue Airways, KLM, Lufthansa, United, Virgin Atlantic, WestJet
Roundtrip price
$729
Distance
5258 mi

London to Phoenix Flights

The cheapest times to fly from London to Phoenix

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from London to Phoenix are during the month of November. You can find some of the cheapest flights from London to Phoenix with Expedia's search tool and vast selection of airlines.

The best time to book a flight from London to Phoenix

Sunday is one of the best days to book for cheap flights from London to Phoenix: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

How to find cheap round-trip tickets from London to Phoenix

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from London to Phoenix in 2025. You can also book with separate airlines for your outbound and return journeys, from $578 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap London to Phoenix flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

You could also save big by booking one of Expedia's vacation packages. Bundling together your London to Phoenix airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

*Terms apply.

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

Frequently asked questions

How much does a flight from Heathrow Airport (LHR) to Sky Harbor Intl. Airport (PHX) cost?
Pick up cheap return flights starting from $789 from Heathrow Airport (LHR) to Sky Harbor Intl. Airport (PHX). This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a British Airways flight leaving LHR on April 30 2025 and touching down at PHX. The price was last updated on April 24 2025 and has not changed since.
What is the cheapest month to fly from LHR to PHX?
The cheapest flights from LHR to PHX are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Heathrow Airport (LHR) to Sky Harbor Intl. Airport (PHX)?
Catch a direct flight with British Airways and head straight from Heathrow Airport (LHR) to Sky Harbor Intl. Airport (PHX).
What is the cheapest airline that flies from LHR to PHX?
Take off from LHR to PHX with American Airlines. This carrier currently has the cheapest one-way ticket for this route, starting from $1750. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from LHR on June 25 2025. Prices were last updated on April 24 2025 and have not changed since.
How many flights per day from Heathrow Airport (LHR) to Sky Harbor Intl. Airport (PHX)?
On average, Heathrow Airport (LHR) only offers 1 nonstop flight to Sky Harbor Intl. Airport (PHX) each day. For additional options, try Expedia’s easy-to-use filter tool. Just enter your dates, then choose “1 Stop” or “2+ Stops” to find flights offering layovers.
What are the most popular departure times for flights from Heathrow Airport (LHR) to Sky Harbor Intl. Airport (PHX)?
Flights between LHR and PHX are their busiest at 2 PM. If you’re after a more relaxed atmosphere and potentially cheaper fares, choose a time when demand is lower.
What day of the week has the most flights from LHR to PHX?
Fly on a Thursday if you’re searching for the best choice of flights from Heathrow Airport (LHR) to Sky Harbor Intl. Airport (PHX).
What is the earliest flight from Heathrow Airport (LHR) to Sky Harbor Intl. Airport (PHX)?
Take the earliest flight at around 2:30PM UTC+0, heading out of Heathrow Airport (LHR). You’ll be traveling for around 10h 55m, reaching Sky Harbor Intl. Airport (PHX) at approximately 6:25PM UTC-7.
How long does it take to fly from Heathrow Airport (LHR) to Sky Harbor Intl. Airport (PHX)?
Flights from LHR to PHX have an average travel time of 10 hours and 55 minutes. The distance between the two is 5,300 mi.
What is the best time to fly from Heathrow Airport (LHR) to Sky Harbor Intl. Airport (PHX)?
To avoid potential delays on the Heathrow Airport (LHR) to Sky Harbor Intl. Airport (PHX) route, travel before 3 PM. Departures after this hour are 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.
What airports do you fly into for Phoenix from Heathrow Airport (LHR)?
If you’re flying on a direct flight from Heathrow Airport (LHR) to Phoenix, Sky Harbor Intl. Airport (PHX) is the only airport you can land at.
Is it cheaper to buy a plane ticket from Heathrow Airport (LHR) to Sky Harbor Intl. Airport (PHX) last-minute?
Last-minute bookings from LHR to PHX are generally more expensive. For the lowest rates, start searching for flights as early as possible. That said, if your travel plans are flexible, you may find a cheap fare right before you leave.
Is it cheaper to book a LHR to PHX flight and hotel package?
Opting for a LHR to PHX flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip in one place. Pick from our wide range of hotels and then add car rentals, activities and flights to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Heathrow Airport (LHR) to Sky Harbor Intl. Airport (PHX)?
It’s generally possible to reschedule or cancel your LHR to PHX flight. However, if the booking was made more than 24 hours ago, additional charges may apply. Refer to your airline’s policies in your itinerary to see what changes are possible and if any costs are involved. You’ll also find more details on our Customer Service portal.

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