Cheap flights from Phoenix Sky Harbor Intl Airport to London Heathrow Airport from £256
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/9. Fares are subject to change and may not be available on all flights or dates of travel.
Cheapflights Tip: The best prices from Phoenix Sky Harbor Intl to London Heathrow are usually found in January or February, booked 27 days in advance, depart on a Saturday or Wednesday and return on a Monday
Cheap flight deals from Sky Harbor Intl to Heathrow
Discover tips and strategies to find the most affordable flight options for your journey from Sky Harbor Intl (PHX) to Heathrow (LHR). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 4 July 2025.
Round-trip from | £544 |
---|---|
One-way from | £256 |
Popular in | December |
Cheapest in | January |
Average price | £869 |
Good round-trip deal | £575 or less |
Good one-way deal | £404 or less |
Find flight deals from Sky Harbor Intl to Heathrow
Cheapest flights from Sky Harbor Intl to HeathrowExplore the most affordable flight options available from Sky Harbor Intl to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 4 July 2025.
Explore the most affordable flight options available from Sky Harbor Intl to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 4 July 2025.
Cheapflights Fare Finder
Customise your flight search to find flights from Sky Harbor Intl to Heathrow that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 4 July 2025.
Use the filters below to find and compare flights from Phoenix Sky Harbor Intl Airport to London Heathrow Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
PhoenixLondon
PHX - LHR
PHXLHR
Phoenix Sky Harbor Intl
Wed 17/9
11:54-09:00
1 stop13h 06m
London Heathrow
Wed 1/10
11:15-14:15
Nonstop11h 00m
PhoenixLondon
PHX - LHR
PHXLHR
Phoenix Sky Harbor Intl
Thu 4/9
10:51-10:50
1 stop15h 59m
London Heathrow
Sat 20/9
11:15-14:15
Nonstop11h 00m
PhoenixLondon
PHX - LHR
PHXLHR
Phoenix Sky Harbor Intl
Sun 13/7
11:35-11:25
1 stop15h 50m
London Heathrow
Tue 9/9
06:15-12:50
1 stop14h 35m
PhoenixLondon
PHX - LHR
PHXLHR
Phoenix Sky Harbor Intl
Sat 13/9
07:40-10:00
2 stops18h 20m
London Heathrow
Sat 20/9
15:50-11:31
2 stops27h 41m
PhoenixLondon
PHX - LHR
PHXLHR
Phoenix Sky Harbor Intl
Thu 31/7
22:30-20:00
1 stop13h 30m
London Heathrow
Thu 7/8
06:15-12:50
1 stop14h 35m
PhoenixLondon
PHX - LHR
PHXLHR
Phoenix Sky Harbor Intl
Sun 21/9
11:20-11:50
1 stop16h 30m
London Heathrow
Mon 6/10
19:30-22:00
2 stops34h 30m
PhoenixLondon
PHX - LHR
PHXLHR
Phoenix Sky Harbor Intl
Wed 30/7
13:25-09:50
1 stop12h 25m
London Heathrow
Thu 14/8
06:15-12:50
1 stop14h 35m
PhoenixLondon
PHX - LHR
PHXLHR
Phoenix Sky Harbor Intl
Sun 10/8
21:44-20:45
1 stop15h 01m
London Heathrow
Thu 14/8
08:15-20:19
1 stop20h 04m
PhoenixLondon
PHX - LHR
PHXLHR
Phoenix Sky Harbor Intl
Tue 29/7
18:45-12:50
Nonstop10h 05m
London Heathrow
Tue 5/8
09:45-19:29
1 stop17h 44m
PhoenixLondon
PHX - LHR
PHXLHR
Phoenix Sky Harbor Intl
Tue 29/7
08:45-11:45
2 stops19h 00m
London Heathrow
Wed 6/8
12:15-19:15
1 stop15h 00m
Best time to book a flight from Sky Harbor Intl to Heathrow
Have a flexible travel schedule? Discover the best time to fly to Heathrow from Sky Harbor Intl with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from Phoenix Sky Harbor Intl Airport to London Heathrow Airport
How far ahead should I book a flight from Phoenix Sky Harbor Intl Airport to London Heathrow Airport?
Use this chart to determine the optimal time to book a return flight from Sky Harbor Intl to Heathrow. Price data was last updated on 27 June 2025.
To ensure you get the cheapest price possible for a flight from Phoenix Sky Harbor Intl Airport to London Heathrow Airport, you should look to book at least 27 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from Phoenix Sky Harbor Intl Airport to London Heathrow Airport?
Currently, January is the cheapest month in which you can book a flight from Phoenix Sky Harbor Intl Airport to London Heathrow Airport (average of £112). Flying from Phoenix Sky Harbor Intl Airport to London Heathrow Airport in August is currently the most expensive (average of £164). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from PHX to LHR?
Find hourly flight availability from Sky Harbor Intl to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 4 July 2025.
When flying from Phoenix Sky Harbor Intl Airport to London Heathrow Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight at midday, which can drop the price by up to 29% versus a flight in the evening.
Weekly flight availability from Phoenix Sky Harbor Intl Airport to London Heathrow Airport
Explore weekly flight availability from Sky Harbor Intl to Heathrow. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 4 July 2025.
The most flights from PHX to LHR are scheduled on a Monday (8 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (8 on average).
How much does it cost for a return flight from Phoenix Sky Harbor Intl Airport to London Heathrow Airport?
Reviews of airlines servicing Heathrow
Get insights into the airlines that provide service to Heathrow. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Heathrow. Reviews last updated 4 July 2025.
Get a feel of what it's like to fly with Delta, Finnair, andAir France from Phoenix Sky Harbor Intl Airport to London Heathrow Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
Overall
Food
Boarding
Crew
Comfort
Reviews
Kim,May 2025
PIH - SLC
Entertainment
Overall
Food
Boarding
Crew
Comfort
Reviews
Kim,May 2025
PIH - SLC
Entertainment
Overall
Food
Boarding
Crew
Comfort
Reviews
Kim,May 2025
PIH - SLC
Entertainment
Overall
Food
Boarding
Crew
Comfort
Reviews
Kim,May 2025
PIH - SLC
Entertainment
Overall
Food
Boarding
Crew
Comfort
Reviews
Kim,May 2025
PIH - SLC
Entertainment
Overall
Food
Boarding
Crew
Comfort
Reviews
Kim,May 2025
PIH - SLC
Related info for your journey
Find useful and relevant information for your journey from Sky Harbor Intl to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Travelling to a place near Phoenix Sky Harbor Intl Airport?
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Alternative routes for Sky Harbor Intl to Heathrow
See prices for flight routes from nearby airports that may be better suited for you.
Top 4 airlines flying from Sky Harbor Intl to Heathrow
Discover the top 4 airlines that operate flights from Sky Harbor Intl to Heathrow. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 4 July 2025.
Fly with Cheapflights
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How does Cheapflights help users find flights from Sky Harbor Intl to Heathrow?
Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Sky Harbor Intl to Heathrow. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.
Why should you use Cheapflights to find cheap flight tickets from Sky Harbor Intl to Heathrow?
Cheapflights helps you find that perfect flight to Heathrow from Sky Harbor Intl by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!
Can Cheapflights find flights from Sky Harbor Intl to Heathrow with no change fees?
Need flexible booking options for your flight to Heathrow from Sky Harbor Intl? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.
Can Cheapflights notify me if prices for flights from Sky Harbor Intl to Heathrow become cheaper?
Yes, Cheapflights offers price alerts on Sky Harbor Intl to Heathrow flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.