Cheap flights from Phoenix Sky Harbor Intl Airport to London Heathrow Airport from £248

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 7/10. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — LHR
23 Jul — 30 Jul1
1 adult

Cheapflights Tip: The best prices from Phoenix Sky Harbor Intl to London Heathrow are usually found in February or January, booked 84 days in advance, depart on a Wednesday or Thursday and return on a Wednesday

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 18 July 2025.

Round-trip from

£431

One-way from

£248

Popular in

December

Cheapest in

February

Average price

£879

Good round-trip deal

£585 or less

Good one-way deal

£412 or less
Delta
  • Delta
  • 28/9-27/10
  • 2 total stops
  • 28h 55m total
  • Phoenix to London
7/10
  • 7/10
  • 2 total stops
  • 19h 55m total
  • Phoenix to London
Highest demand for flights based on searches. 2% potential increase in price (£15 potential increase over avg. return price).
Cheapest flight prices on average. 4% potential price decrease (£22 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 18 July 2025.

Sun 28/915:05PHX - LHR
1 stop14h 40mDelta
Mon 27/1006:20LHR - PHX
1 stop14h 15mDelta
Deal found 17/7£431
Sat 13/908:30PHX - LHR
1 stop29h 10mIberia
Sun 21/911:15LHR - PHX
Nonstop11h 00mIberia
Deal found 17/7£433
Mon 1/913:35PHX - LHR
1 stop14h 45mUnited Airlines
Mon 8/909:00LHR - PHX
2 stops40h 02mUnited Airlines
Deal found 18/7£436
Fri 12/920:40PHX - LHR
Nonstop10h 00mBritish Airways
Mon 22/911:15LHR - PHX
Nonstop11h 00mBritish Airways
Deal found 18/7£441
Tue 12/807:04PHX - LHR
2 stops16h 51mSWISS
Tue 2/908:45LHR - PHX
2 stops22h 24mSWISS
Deal found 17/7£442
Tue 23/911:20PHX - LHR
1 stop14h 40mMultiple Airlines
Tue 30/906:50LHR - PHX
2 stops20h 29mMultiple Airlines
Deal found 18/7£448
Thu 31/718:45PHX - LHR
Nonstop10h 05mAmerican Airlines
Mon 11/815:40LHR - PHX
Nonstop10h 50mAmerican Airlines
Deal found 18/7£458
Fri 8/807:40PHX - LHR
1 stop14h 50mAir Canada
Wed 13/809:30LHR - PHX
1 stop17h 46mAir Canada
Deal found 17/7£467

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 18 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

Sun 28/9

15:05-13:45

1 stop14h 40m

London Heathrow

Mon 27/10

06:20-13:35

1 stop14h 15m

£431

PhoenixLondon

PHX - LHR

PHXLHR

Phoenix Sky Harbor Intl

Sat 13/9

08:30-21:40

1 stop29h 10m

London Heathrow

Sun 21/9

11:15-14:15

Nonstop11h 00m

£433

PhoenixLondon

PHX - LHR

PHXLHR

Phoenix Sky Harbor Intl

Mon 1/9

13:35-09:40

1 stop12h 05m

London Heathrow

Mon 8/9

09:00-17:02

2 stops40h 02m

£436

PhoenixLondon

PHX - LHR

PHXLHR

Phoenix Sky Harbor Intl

Sat 13/9

23:10-21:40

1 stop14h 30m

London Heathrow

Sun 21/9

15:40-18:30

Nonstop10h 50m

£440

PhoenixLondon

PHX - LHR

PHXLHR

Phoenix Sky Harbor Intl

Tue 12/8

07:04-07:55

2 stops16h 51m

London Heathrow

Tue 2/9

08:45-23:09

2 stops22h 24m

£442

PhoenixLondon

PHX - LHR

PHXLHR

Phoenix Sky Harbor Intl

Tue 23/9

11:20-10:00

1 stop14h 40m

London Heathrow

Tue 30/9

06:50-19:19

2 stops20h 29m

£448

PhoenixLondon

PHX - LHR

PHXLHR

Phoenix Sky Harbor Intl

Thu 18/9

23:10-21:40

1 stop14h 30m

London Heathrow

Mon 22/9

11:15-14:15

Nonstop11h 00m

£463

PhoenixLondon

PHX - LHR

PHXLHR

Phoenix Sky Harbor Intl

Fri 8/8

07:40-06:30

1 stop14h 50m

London Heathrow

Wed 13/8

09:30-19:16

1 stop17h 46m

£467

PhoenixLondon

PHX - LHR

PHXLHR

Phoenix Sky Harbor Intl

Tue 7/10

08:00-11:55

2 stops19h 55m

£248

PhoenixLondon

PHX - LHR

PHXLHR

Phoenix Sky Harbor Intl

Thu 30/10

11:40-12:50

2 stops18h 10m

£253

Flights are sorted by cheapest return flights first.

Deals found on 16/7

Showing 1-10 of 13 results
1
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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 11 July 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 84 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 18 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 18 July 2025.

The most flights from PHX to LHR are scheduled on a Monday (9 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (9 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 18 July 2025.
Get a feel of what it's like to fly with Delta, SWISS, andUnited Airlines 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.

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

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

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

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!

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

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!

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

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!

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

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!

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

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 £431. Other airlines that can offer you cheap pricing are Iberia, from £433, and United Airlines, from £436. Users have found that Delta is 39% 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?

    £253 is the cheapest one-way deal found within the past few days, from WestJet. You may also be able to find cheap deals on JetBlue and Air Canada, with prices starting from £265 and £293, respectively.

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

    Consider Iberia (78%), Aer Lingus (77%) or American Airlines (76%) 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 £661, our data shows the cheapest flight currently is £313. When looking at the most popular route, (Phoenix Sky Harbor Intl - London Heathrow), you can expect to pay £98 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 London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Milton Keynes
Croydon
Hounslow
Deal
Northampton
Gatwick
Slough
Luton
Wembley
Crawley
Eastbourne
Ilford
Hayes
Ipswich
Southend-on-Sea
Folkestone
Watford
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 18 July 2025.
AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest£341Average£501FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
JetBlueCheapest£467Average£544FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
IberiaCheapest£530Average£819FlexibilityNo cancel feeOn-time77%
Search Iberia flights
British AirwaysCheapest£530Average£735FlexibilityNo 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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