HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Sky Harbor Intl

$445+ Cheap flights from Heathrow (LHR) to Sky Harbor Intl (PHX)

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 4/20. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — PHX
Mar 30 — Apr 61
Sun 3/30
Sun 4/6
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Heathrow to Sky Harbor Intl with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from London Heathrow to Phoenix Sky Harbor Intl are usually found in February or March, booked 39 days in advance, depart on a Sunday or Tuesday and return on a Tuesday

Cheap flight deals from Heathrow to Sky Harbor Intl

Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) to Sky Harbor Intl (PHX). 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 March 25, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$709
(The Travel House)

One-way from

$445
(Kiwi.com)

Popular in

August

Cheapest in

February

Average price

$795

Good round-trip deal

$915 or less

Good one-way deal

$872 or less
Provider with most accurate pricing for London Heathrow-Phoenix Sky Harbor Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for London Heathrow-Phoenix Sky Harbor Intl flights.
Search Deals
From London Heathrow to Phoenix Sky Harbor Intl
Search Deals
One-way flight from London Heathrow to Phoenix Sky Harbor Intl
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($143 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($30 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2025
Search Deals
Price to beat on a round-trip flight from London Heathrow to Phoenix Sky Harbor Intl.
Search Deals
Price to beat on a one-way flight from London Heathrow to Phoenix Sky Harbor Intl.
Search Deals

Find flight deals from Heathrow to Sky Harbor Intl

Cheapest flights from Heathrow to Sky Harbor Intl
Explore the most affordable flight options available from Heathrow to Sky Harbor Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 25, 2025.

This The Travel House deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure The Travel House is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/58:15 amLHR - PHX
1 stop20h 38mIcelandair
Mon 5/129:43 pmPHX - LHR
1 stop27h 47mIcelandair
Deal found 3/23$709
This Kiwi.com deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2910:10 amLHR - PHX
1 stop17h 09mMultiple Airlines
Tue 5/63:02 pmPHX - LHR
1 stop15h 33mMultiple Airlines
Deal found 3/23$716
This United Airlines deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/510:35 amLHR - PHX
2 stops42h 04mUnited Airlines
Sun 6/156:00 amPHX - LHR
1 stop21h 35mUnited Airlines
Deal found 3/23$719
This The Travel House deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure The Travel House is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1911:15 amLHR - PHX
Nonstop11h 00mFinnair
Sat 9/271:58 pmPHX - LHR
1 stop18h 07mFinnair
Deal found 3/24$723
This The Travel House deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure The Travel House is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/172:10 pmLHR - PHX
2 stops59h 54mAustrian Airlines
Fri 5/3010:32 amPHX - LHR
1 stop16h 38mAustrian Airlines
Deal found 3/23$727
This The Travel House deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure The Travel House is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/2111:05 amLHR - PHX
2 stops39h 06mBrussels Airlines
Thu 5/16:00 amPHX - LHR
2 stops41h 15mBrussels Airlines
Deal found 3/24$731
This Air Canada deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/98:40 amLHR - PHX
2 stops18h 50mAir Canada
Sat 5/178:00 amPHX - LHR
1 stop18h 00mAir Canada
Deal found 3/24$733
This SWISS deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/221:45 pmLHR - PHX
2 stops39h 32mSWISS
Tue 5/63:40 pmPHX - LHR
2 stops40h 45mSWISS
Deal found 3/24$736
This TravelUp deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/99:15 amLHR - PHX
1 stop14h 22mBritish Airways
Thu 9/186:50 pmPHX - LHR
Nonstop10h 00mBritish Airways
Deal found 3/23$748
This Lufthansa deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/211:40 pmLHR - PHX
1 stop15h 13mLufthansa
Mon 5/512:02 pmPHX - LHR
1 stop13h 38mLufthansa
Deal found 3/24$771
This American Airlines deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/2111:15 amLHR - PHX
Nonstop11h 05mAmerican Airlines
Mon 5/56:40 pmPHX - LHR
Nonstop10h 10mAmerican Airlines
Deal found 3/24$772
This Delta deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/239:55 amLHR - PHX
2 stops18h 19mDelta
Wed 5/71:25 pmPHX - LHR
2 stops15h 45mDelta
Deal found 3/24$774

Cheapflights Fare Finder

Customize your flight search to find flights from Heathrow to Sky Harbor Intl 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 2,558,603 searches. Data last updated March 25, 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Phoenix Sky Harbor Intl Airport that are best for you.

Fly from

Heathrow

Fly to

Sky Harbor Intl

Route

Depart

Return

Price

LondonPhoenix

LHR - PHX

LHRPHX

London Heathrow

Mon 5/5

8:15 am-8:53 pm

1 stop20h 38m

Phoenix Sky Harbor Intl

Mon 5/12

9:43 pm-9:30 am

1 stop27h 47m

$709

LondonPhoenix

LHR - PHX

LHRPHX

London Heathrow

Tue 4/29

10:10 am-7:19 pm

1 stop17h 09m

Phoenix Sky Harbor Intl

Tue 5/6

3:02 pm-2:35 pm

1 stop15h 33m

$716

LondonPhoenix

LHR - PHX

LHRPHX

London Heathrow

Thu 6/5

10:35 am-8:39 pm

2 stops42h 04m

Phoenix Sky Harbor Intl

Sun 6/15

6:00 am-11:35 am

1 stop21h 35m

$719

LondonPhoenix

LHR - PHX

LHRPHX

London Heathrow

Fri 9/19

11:15 am-2:15 pm

Nonstop11h 00m

Phoenix Sky Harbor Intl

Sat 9/27

1:58 pm-4:05 pm

1 stop18h 07m

$723

LondonPhoenix

LHR - PHX

LHRPHX

London Heathrow

Sat 5/17

2:10 pm-6:04 pm

2 stops59h 54m

Phoenix Sky Harbor Intl

Fri 5/30

10:32 am-11:10 am

1 stop16h 38m

$727

LondonPhoenix

LHR - PHX

LHRPHX

London Heathrow

Mon 4/21

11:05 am-6:11 pm

2 stops39h 06m

Phoenix Sky Harbor Intl

Thu 5/1

6:00 am-7:15 am

2 stops41h 15m

$731

LondonPhoenix

LHR - PHX

LHRPHX

London Heathrow

Fri 5/9

8:40 am-7:30 pm

2 stops18h 50m

Phoenix Sky Harbor Intl

Sat 5/17

8:00 am-10:00 am

1 stop18h 00m

$733

LondonPhoenix

LHR - PHX

LHRPHX

London Heathrow

Tue 4/22

1:45 pm-9:17 pm

2 stops39h 32m

Phoenix Sky Harbor Intl

Tue 5/6

3:40 pm-4:25 pm

2 stops40h 45m

$736

LondonPhoenix

LHR - PHX

LHRPHX

London Heathrow

Tue 9/9

9:15 am-3:37 pm

1 stop14h 22m

Phoenix Sky Harbor Intl

Thu 9/18

6:50 pm-12:50 pm

Nonstop10h 00m

$748

LondonPhoenix

LHR - PHX

LHRPHX

London Heathrow

Mon 4/21

1:40 pm-8:53 pm

1 stop15h 13m

Phoenix Sky Harbor Intl

Mon 5/5

12:02 pm-9:40 am

1 stop13h 38m

$771

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/22

Showing 1-10 of 27 results
1
2
3

Compare providers for flights from Heathrow to Sky Harbor Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Heathrow to Sky Harbor Intl in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*1 star
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
oojoPrice Accuracy3 starsTrust Score*2 stars
PricelinePrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on London Heathrow Airport-Phoenix Sky Harbor Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on London Heathrow Airport-Phoenix Sky Harbor Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from London Heathrow Airport-Phoenix Sky Harbor Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on London Heathrow Airport-Phoenix Sky Harbor Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for London Heathrow Airport-Phoenix Sky Harbor Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Heathrow to Sky Harbor Intl

Have a flexible travel schedule? Discover the best time to fly to Sky Harbor Intl from Heathrow with our price prediction graph.
Estimated round-trip 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 London Heathrow Airport to Phoenix Sky Harbor Intl Airport

How far ahead should I book a flight from London Heathrow Airport to Phoenix Sky Harbor Intl Airport?

Use this chart to determine the optimal time to book a round-trip flight from Heathrow to Sky Harbor Intl. Price data was last updated on March 21, 2025.

The price you pay for your flight from London Heathrow Airport to Phoenix Sky Harbor Intl Airport may vary depending on when you book. For the best chance of a lower fare, look to book 39 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from London Heathrow Airport to Phoenix Sky Harbor Intl Airport?

Currently, January is the cheapest month in which you can book a flight from London Heathrow Airport to Phoenix Sky Harbor Intl Airport (average of $258). Flying from London Heathrow Airport to Phoenix Sky Harbor Intl Airport in March is currently the most expensive (average of $337). 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 LHR to PHX?

Find hourly flight availability from Heathrow to Sky Harbor Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 25, 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 11% on flights from London Heathrow Airport to Phoenix Sky Harbor Intl Airport by exploring options for tickets in the morning.

Weekly flight availability from London Heathrow Airport to Phoenix Sky Harbor Intl Airport

Explore weekly flight availability from Heathrow to Sky Harbor Intl. 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 March 25, 2025.

The most flights from LHR to PHX are scheduled on a Monday (5 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (5 on average).

Rainfall in Sky Harbor Intl by month

Plan your trip to Sky Harbor Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Phoenix Sky Harbor Intl Airport ranges from 0.0 - 1.1 inches per month. July is typically the wettest month, when rainfall can reach 1.1 in. June is typically the driest time to visit Phoenix Sky Harbor Intl Airport when rainfall is around 0.0 in.

Temperature in Sky Harbor Intl by month

Plan your trip to Sky Harbor Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Phoenix Sky Harbor Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 95.0 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 55.4 F).

Reviews of airlines servicing Sky Harbor Intl

Get insights into the airlines that provide service to Sky Harbor Intl. 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 Sky Harbor Intl. Reviews last updated March 25, 2025.
Read reviews from past customers who have flown Delta, Finnair and Austrian Airlines from London to Phoenix. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,890 reviews

Crew

8.5

Boarding

8.2

Comfort

8.0

Food

7.3

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,890 reviews
Delta
8.0
Very good
7,890 reviews

Crew

8.5

Boarding

8.2

Comfort

8.0

Food

7.3

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Finnair
7.6
Good
1,266 reviews
Delta
8.0
Very good
7,890 reviews

Crew

8.5

Boarding

8.2

Comfort

8.0

Food

7.3

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Austrian Airlines
7.5
Good
769 reviews
Delta
8.0
Very good
7,890 reviews

Crew

8.5

Boarding

8.2

Comfort

8.0

Food

7.3

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
SWISS
7.5
Good
1,569 reviews
Delta
8.0
Very good
7,890 reviews

Crew

8.5

Boarding

8.2

Comfort

8.0

Food

7.3

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,605 reviews
Delta
8.0
Very good
7,890 reviews

Crew

8.5

Boarding

8.2

Comfort

8.0

Food

7.3

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Heathrow to Sky Harbor Intl. 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 London Heathrow Airport to Phoenix Sky Harbor Intl Airport round-trip?

    Icelandair, at $709, was found to be the cheapest airline from London Heathrow Airport to Phoenix Sky Harbor Intl Airport.Alternate airlines to your destination round-trip include United Airlines and Finnair. Icelandair is 22% cheaper than the average price of flights available within the next 90 days to this destination.

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

    $467 is the cheapest one-way deal found within the past few days, from WestJet. You may also be able to find cheap deals on Aer Lingus and Icelandair, with prices starting from $614 and $689, respectively.

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

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

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

    The cheapest flight price from London Heathrow Airport to Phoenix Sky Harbor Intl Airport is $684. On average you can expect to pay $1,857. The most popular route, (London Heathrow - Phoenix Sky Harbor Intl), can usually be booked for $542.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Heathrow to Sky Harbor Intl 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 London Heathrow Airport to Phoenix Sky Harbor Intl Airport?

    Currently, January is the cheapest month in which you can book a flight from London Heathrow Airport to Phoenix Sky Harbor Intl Airport (average of $258). Flying from London Heathrow Airport to Phoenix Sky Harbor Intl Airport in March is currently the most expensive (average of $337). 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

Traveling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Chandler
Peoria
Buckeye
Globe
Glendale
Payson
Surprise
Goodyear
Avondale
Paradise Valley
Guadalupe
Litchfield Park
Fountain Hills

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Heathrow to Sky Harbor Intl

See prices for flight routes from nearby airports that may be better suited for you.
Gatwick to Sky Harbor Intl flights
London City to Sky Harbor Intl flights

Top 4 airlines flying from Heathrow to Sky Harbor Intl

Discover the top 4 airlines that operate flights from Heathrow to Sky Harbor Intl. 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 2,558,603 searches. Data last updated March 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$603Average$742FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$750Average$961FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$765Average$959FlexibilityNo cancel feeOn-time70%
IberiaCheapest$805Average$1,045FlexibilityNo cancel feeOn-time77%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.