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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.
PHX — LHR
9 Jul — 16 Jul1
1 adult

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
British Airways
  • British Airways
  • 17/9-1/10
  • 1 total stop
  • 24h 06m total
  • Phoenix to London
1/9
  • 1/9
  • 2 total stops
  • 25h 50m total
  • Phoenix to London
Highest demand for flights based on searches. 1% potential increase in price (£8 potential increase over avg. return price).
Cheapest flight prices on average. 4% potential price decrease (£20 potential savings vs. average return price).
Average for round-trip flights in July 2025
Price to beat on a round-trip flight from Phoenix Sky Harbor Intl to London Heathrow.
Price to beat on a one-way flight from Phoenix Sky Harbor Intl to London Heathrow.

Find flight deals from Sky Harbor Intl to Heathrow

Cheapest flights from Sky Harbor Intl to Heathrow
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.

Wed 17/911:54PHX - LHR
1 stop13h 06mBritish Airways
Wed 1/1011:15LHR - PHX
Nonstop11h 00mBritish Airways
Deal found 3/7£544
Thu 4/910:51PHX - LHR
1 stop15h 59mIberia
Sat 20/911:15LHR - PHX
Nonstop11h 00mIberia
Deal found 3/7£546
Sun 13/711:35PHX - LHR
1 stop15h 50mDelta
Tue 9/906:15LHR - PHX
1 stop14h 35mDelta
Deal found 3/7£547
Sat 13/907:40PHX - LHR
2 stops18h 20mAir Canada
Sat 20/915:50LHR - PHX
2 stops27h 41mAir Canada
Deal found 3/7£552
Thu 31/722:30PHX - LHR
1 stop13h 30mVirgin Atlantic
Thu 7/806:15LHR - PHX
1 stop14h 35mVirgin Atlantic
Deal found 3/7£555
Wed 30/713:25PHX - LHR
1 stop12h 25mMultiple Airlines
Thu 14/806:15LHR - PHX
1 stop14h 35mMultiple Airlines
Deal found 2/7£561
Thu 13/1115:33PHX - LHR
2 stops17h 17mLufthansa
Sun 23/1106:30LHR - PHX
2 stops22h 14mLufthansa
Deal found 1/7£563
Sun 10/821:44PHX - LHR
1 stop15h 01mJetBlue
Thu 14/808:15LHR - PHX
1 stop20h 04mJetBlue
Deal found 1/7£567
Tue 29/718:45PHX - LHR
Nonstop10h 05mFinnair
Tue 5/809:45LHR - PHX
1 stop17h 44mFinnair
Deal found 1/7£571
Thu 28/816:28PHX - LHR
1 stop11h 52mUnited Airlines
Fri 5/914:50LHR - PHX
1 stop13h 27mUnited Airlines
Deal found 3/7£575

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

Sky Harbor Intl

Fly to

Heathrow

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

£544

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

£546

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

£547

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

£552

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

£555

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

£559

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

£561

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

£567

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

£571

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

£574

Flights are sorted by cheapest return flights first.

Deals found on 2/7

Showing 1-10 of 19 results
1
2

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.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

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

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very Good

Entertainment

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Entertainment

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Entertainment

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Entertainment

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Entertainment

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.
  • What are the cheapest airlines flying from Phoenix Sky Harbor Intl Airport to London Heathrow Airport round-trip?

    Cheapflights users have booked flights from Phoenix Sky Harbor Intl Airport to London Heathrow Airport round-trip from £544. Other airlines that can offer you cheap pricing are Iberia, from £546, and Delta, from £547. Users have found that British Airways is 22% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Phoenix Sky Harbor Intl Airport to London Heathrow Airport one-way?

    £274 is the cheapest one-way deal found within the past few days, from JetBlue. You may also be able to find cheap deals on Lufthansa and Air Canada, with prices starting from £289 and £291, respectively.

  • What are the most reliable airlines from Phoenix Sky Harbor Intl Airport to London Heathrow Airport?

    Consider Iberia (76%), American Airlines (75%) or Finnair (75%) when booking your flight. These represent the most reliable airlines when flying from Phoenix Sky Harbor Intl Airport to London Heathrow Airport.

  • What are the cheapest flights from Phoenix Sky Harbor Intl Airport to London Heathrow Airport?

    While on average a flight from Phoenix Sky Harbor Intl Airport to London Heathrow Airport is generally £641, our data shows the cheapest flight currently is £318. When looking at the most popular route, (Phoenix Sky Harbor Intl - London Heathrow), you can expect to pay £369 for that flight.

  • Can I find deals for flights from Sky Harbor Intl to Heathrow that include hotel bookings?

    Yes. In addition to deals on Sky Harbor Intl to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Sky Harbor Intl to Heathrow?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sky Harbor Intl to Heathrow.

  • Can I find deals for business class flights from Sky Harbor Intl to Heathrow?

    Yes. Cheapflights offers flight deals from Sky Harbor Intl to Heathrow by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • 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.

See more FAQs

Travelling to a place near Phoenix Sky Harbor Intl Airport?

Book flights to Phoenix Sky Harbor Intl Airport if you plan to visit one of these locations
Hounslow
Croydon
Milton Keynes
Deal
Northampton
Gatwick
Luton
Slough
Wembley
Crawley
Eastbourne
Ilford
Hayes
Folkestone
Southend-on-Sea
Watford
Ipswich
Winchester
Swindon
Maidstone

Browse thousands of different options on Cheapflights for your next trip

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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.
AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest£335Average£492FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
JetBlueCheapest£458Average£535FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
IberiaCheapest£521Average£804FlexibilityNo cancel feeOn-time77%
Search Iberia flights
British AirwaysCheapest£521Average£721FlexibilityNo cancel feeOn-time70%
Search British Airways flights

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.

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