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$384+ Cheap flights from Sky Harbor Intl (PHX) to Heathrow (LHR)

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 2/1. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — LHR
Dec 6 — Dec 131
Sat 12/6
Sat 12/13
1 adult, Economy
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Find cheap flights from Sky Harbor Intl to Heathrow with Cheapflights

1. Tell us where you want to go

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Cheapflights Tip: The best prices from Phoenix Sky Harbor Intl to London Heathrow are usually found in October or February, booked 10 days in advance, depart on a Wednesday or Tuesday and return on a Wednesday

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 November 6, 2025.

This FlightHub deal was found by Cheapflights users on 11/4. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/410:45 amPHX - LHR
2 stops24h 45mScandinavian Airlines
Mon 12/86:40 amLHR - PHX
2 stops24h 07mScandinavian Airlines
Deal found 11/4$576
This Scandinavian Airlines deal was found by Cheapflights users on 11/6. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/96:34 amPHX - LHR
2 stops28h 56mScandinavian Airlines
Tue 12/166:40 amLHR - PHX
2 stops24h 52mScandinavian Airlines
Deal found 11/6$597
This FlightHub deal was found by Cheapflights users on 11/6. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/410:45 amPHX - LHR
2 stops24h 45mScandinavian Airlines
Tue 12/96:40 amLHR - PHX
2 stops24h 52mScandinavian Airlines
Deal found 11/6$605
This Gotogate deal was found by Cheapflights users on 11/6. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/108:00 amPHX - LHR
2 stops29h 35mAir Canada
Tue 11/259:00 amLHR - PHX
2 stops20h 30mAir Canada
Deal found 11/6$648
This Kiwi.com deal was found by Cheapflights users on 11/4. 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.
Thu 12/49:00 amPHX - LHR
1 stop20h 50mMultiple Airlines
Thu 12/119:55 amLHR - PHX
2 stops37h 17mMultiple Airlines
Deal found 11/4$649
This Gotogate deal was found by Cheapflights users on 11/4. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/96:30 pmPHX - LHR
1 stop34h 20mAir Canada
Tue 11/256:50 amLHR - PHX
2 stops22h 40mAir Canada
Deal found 11/4$653
This Flighttix deal was found by Cheapflights users on 11/5. 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/98:50 pmPHX - LHR
2 stops32h 00mMultiple Airlines
Tue 11/256:50 amLHR - PHX
2 stops22h 40mMultiple Airlines
Deal found 11/5$655

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 November 6, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$559
(CrystalTravel)

One-way from

$384
(Kiwi.com)

Popular in

December

Cheapest in

October

Average price

$814

Good round-trip deal

$740 or less

Good one-way deal

$511 or less
Provider with most accurate pricing for Phoenix Sky Harbor Intl-London Heathrow flight deals.
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Provider most trusted by Cheapflights users for Phoenix Sky Harbor Intl-London Heathrow flights.
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From Phoenix Sky Harbor Intl to London Heathrow
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One-way flight from Phoenix Sky Harbor Intl to London Heathrow
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Highest demand for flights based on searches. 4% potential increase in price ($41 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($35 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Price to beat on a round-trip flight from Phoenix Sky Harbor Intl to London Heathrow.
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Price to beat on a one-way flight from Phoenix Sky Harbor Intl to London Heathrow.
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Cheapflights Fare Finder

 
Customize 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 2,558,603 searches. Data last updated November 6, 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 1/18

6:15 am-4:00 pm

2 stops26h 45m

London Heathrow

Sat 1/31

6:40 am-11:31 pm

2 stops23h 51m

$597

PhoenixLondon

PHX - LHR

PHXLHR

Phoenix Sky Harbor Intl

Tue 2/17

6:15 am-6:30 pm

3 stops29h 15m

London Heathrow

Wed 2/25

7:05 am-11:31 pm

3 stops23h 26m

$605

PhoenixLondon

PHX - LHR

PHXLHR

Phoenix Sky Harbor Intl

Mon 1/26

6:15 am-4:00 pm

2 stops26h 45m

London Heathrow

Sat 5/9

6:40 am-8:55 pm

2 stops22h 15m

$614

PhoenixLondon

PHX - LHR

PHXLHR

Phoenix Sky Harbor Intl

Thu 1/22

6:15 am-5:40 pm

3 stops28h 25m

London Heathrow

Wed 1/28

6:40 am-10:42 pm

2 stops23h 02m

$633

PhoenixLondon

PHX - LHR

PHXLHR

Phoenix Sky Harbor Intl

Mon 11/24

8:25 pm-1:15 pm

Nonstop9h 50m

London Heathrow

Wed 12/10

2:25 pm-6:20 pm

Nonstop10h 55m

$711

PhoenixLondon

PHX - LHR

PHXLHR

Phoenix Sky Harbor Intl

Wed 3/18

6:00 am-9:20 am

2 stops20h 20m

London Heathrow

Tue 3/24

7:05 am-9:52 pm

3 stops21h 47m

$722

PhoenixLondon

PHX - LHR

PHXLHR

Phoenix Sky Harbor Intl

Sun 11/23

12:41 am-8:35 pm

1 stop12h 54m

London Heathrow

Fri 12/5

10:25 am-7:03 pm

1 stop15h 38m

$725

PhoenixLondon

PHX - LHR

PHXLHR

Phoenix Sky Harbor Intl

Mon 11/17

12:30 am-8:35 pm

1 stop13h 05m

London Heathrow

Tue 11/25

12:05 pm-8:36 pm

1 stop15h 31m

$725

PhoenixLondon

PHX - LHR

PHXLHR

Phoenix Sky Harbor Intl

Thu 2/26

11:55 am-12:50 pm

1 stop17h 55m

London Heathrow

Mon 3/2

2:50 pm-10:49 pm

1 stop14h 59m

$735

PhoenixLondon

PHX - LHR

PHXLHR

Phoenix Sky Harbor Intl

Thu 12/4

11:59 pm-8:45 pm

1 stop13h 46m

London Heathrow

Tue 12/9

7:25 am-10:44 pm

1 stop22h 19m

$736

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/6

Showing 1-10 of 22 results
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Compare providers for flights from Sky Harbor Intl to Heathrow

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 Sky Harbor Intl to Heathrow in November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
CheapOairPrice Accuracy3 starsTrust Score*3 stars
oojoPrice Accuracy3 starsTrust Score*3 stars
Trip.comPrice Accuracy2 starsTrust 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 Phoenix Sky Harbor Intl Airport-London Heathrow Airport flights, users find the pricing of CheapOair to be most consistent on Cheapflights vs. CheapOair Users can find the same prices on Phoenix Sky Harbor Intl Airport-London Heathrow Airport flight deals on Cheapflights vs. CheapOair >95% of the time. Price accuracy is based on data collected from Phoenix Sky Harbor Intl Airport-London Heathrow Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Phoenix Sky Harbor Intl Airport-London Heathrow Airport flights, Cheapflights users trust CheapOair the most. CheapOair 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 Phoenix Sky Harbor Intl Airport-London Heathrow 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 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 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 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 round-trip flight from Sky Harbor Intl to Heathrow. Price data was last updated on October 31, 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 10 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, November is the cheapest month in which you can book a flight from Phoenix Sky Harbor Intl Airport to London Heathrow Airport (average of $495). Flying from Phoenix Sky Harbor Intl Airport to London Heathrow Airport in June is currently the most expensive (average of $904). 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 November 6, 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 in the morning, which can drop the price by up to 15% versus a flight in the afternoon.

What is the cheapest day to fly from Phoenix Sky Harbor Intl Airport to London Heathrow Airport?

Use this chart to determine the cheapest time to fly round-trip from Sky Harbor Intl to Heathrow. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Phoenix Sky Harbor Intl Airport to London Heathrow Airport flight should consider departing on Wednesday mornings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

How much does it cost to fly round-trip from Phoenix Sky Harbor Intl Airport to London Heathrow Airport?

The best insider tips for Phoenix Sky Harbor Intl Airport to London Heathrow Airport flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Phoenix Sky Harbor Intl Airport to London Heathrow Airport trip
Airports
PHX

PHX offers short security lines, usually under 10 minutes, with live wait times displayed online for Terminal 4 checkpoints.

Read more about PHXby Brandon Schultz
LHR

Take the Heathrow Express for the fastest route to central London, reaching Paddington Station quickly from LHR.

Read more about LHRby Ramsey Qubein
Our travel experts
Brandon Schultz

Brandon Schultz

Expert on PHX

Brandon Schultz

Brandon Schultz

Brandon Schultz is an award-winning food and travel writer based in New York City. His work has appeared in Forbes, AAA, Thrillist, Travel + Leisure, and The Daily Meal, among many others, and he is the author of 6 books, including 3 cookbooks.

Read more
Ramsey Qubein

Ramsey Qubein

Expert on LHR

Ramsey Qubein

Ramsey Qubein

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more

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 November 6, 2025.
Peruse reviews from past customers who have flown with Finnair, American Airlines, and JetBlue from Phoenix Sky Harbor Intl Airport to London Heathrow Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Finnair
7.6
Good
1,335 reviews

Entertainment

6.9

Comfort

7.4

Boarding

7.6

Food

6.7

Crew

8.1

Overall

7.6

Reviews

1 / 20
6.0
Good

Rowland,Dec 2024

FRA - HEL

Finnair need to get a better system for boarding. Hundreds of passengers all attempting to get their boarding cards and passports checked at the gate and then get onto the aircraft is ridiculous, time consuming and frankly unfair to passengers.
Finnair
7.6
Good
1,335 reviews
Finnair
7.6
Good
1,335 reviews

Entertainment

6.9

Comfort

7.4

Boarding

7.6

Food

6.7

Crew

8.1

Overall

7.6

Reviews

1 / 20
6.0
Good

Rowland,Dec 2024

FRA - HEL

Finnair need to get a better system for boarding. Hundreds of passengers all attempting to get their boarding cards and passports checked at the gate and then get onto the aircraft is ridiculous, time consuming and frankly unfair to passengers.
American Airlines
7.2
Good
11,040 reviews
Finnair
7.6
Good
1,335 reviews

Entertainment

6.9

Comfort

7.4

Boarding

7.6

Food

6.7

Crew

8.1

Overall

7.6

Reviews

1 / 20
6.0
Good

Rowland,Dec 2024

FRA - HEL

Finnair need to get a better system for boarding. Hundreds of passengers all attempting to get their boarding cards and passports checked at the gate and then get onto the aircraft is ridiculous, time consuming and frankly unfair to passengers.
JetBlue
7.2
Good
2,907 reviews
Finnair
7.6
Good
1,335 reviews

Entertainment

6.9

Comfort

7.4

Boarding

7.6

Food

6.7

Crew

8.1

Overall

7.6

Reviews

1 / 20
6.0
Good

Rowland,Dec 2024

FRA - HEL

Finnair need to get a better system for boarding. Hundreds of passengers all attempting to get their boarding cards and passports checked at the gate and then get onto the aircraft is ridiculous, time consuming and frankly unfair to passengers.
Iberia
7.0
Good
3,007 reviews
Finnair
7.6
Good
1,335 reviews

Entertainment

6.9

Comfort

7.4

Boarding

7.6

Food

6.7

Crew

8.1

Overall

7.6

Reviews

1 / 20
6.0
Good

Rowland,Dec 2024

FRA - HEL

Finnair need to get a better system for boarding. Hundreds of passengers all attempting to get their boarding cards and passports checked at the gate and then get onto the aircraft is ridiculous, time consuming and frankly unfair to passengers.
British Airways
6.7
Okay
7,500 reviews
Finnair
7.6
Good
1,335 reviews

Entertainment

6.9

Comfort

7.4

Boarding

7.6

Food

6.7

Crew

8.1

Overall

7.6

Reviews

1 / 20
6.0
Good

Rowland,Dec 2024

FRA - HEL

Finnair need to get a better system for boarding. Hundreds of passengers all attempting to get their boarding cards and passports checked at the gate and then get onto the aircraft is ridiculous, time consuming and frankly unfair to passengers.

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.

  • How long is the flight from Phoenix Sky Harbor Intl Airport to London Heathrow Airport?

    Scandinavian Airlines and British Airways can get you from Phoenix Sky Harbor Intl Airport to London Heathrow Airport in just under 9h 50m. Your travel time can differ by up to 16h 55m. There are 5255 mi between Phoenix Sky Harbor Intl Airport and London Heathrow Airport. This flight may include one or multiple stops.

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

    Our cheapest airline available from Phoenix Sky Harbor Intl Airport to London Heathrow Airport is British Airways. Our recent data shows that you can find tickets from as low as $516 on this airline. Additional options worth looking into are Scandinavian Airlines and American Airlines, starting at $533 and $534 round-trip. Users have found that British Airways is 44% cheaper than the other options available to this destination.

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

    The top 3 most reliable airlines when flying from Phoenix Sky Harbor Intl Airport to London Heathrow Airport are American Airlines (66%), Finnair (66%) and Iberia (66%).

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

    Looking for the cheapest flight from Phoenix Sky Harbor Intl Airport to London Heathrow Airport? While on average our users pay $1,471, our data indicates the cheapest price to be $319. The most popular route (Phoenix Sky Harbor Intl - London Heathrow), is priced around $559.

  • 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 vacation 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, November is the cheapest month in which you can book a flight from Phoenix Sky Harbor Intl Airport to London Heathrow Airport (average of $495). Flying from Phoenix Sky Harbor Intl Airport to London Heathrow Airport in June is currently the most expensive (average of $904). 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
Hounslow
Ilford
Hayes
Southend-on-Sea
Harrow
Croydon
Eastleigh
Dartford
Dover
Winchester
Orpington
Northampton
Gatwick
Borehamwood
Broadway
Aylesbury
Bedford
Chipping Norton
Wembley
Folkestone

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.
Sky Harbor Intl to Gatwick flights
Sky Harbor Intl to London City flights
Sky Harbor Intl to Stansted flights
Sky Harbor Intl to Southend flights

Top 10 airlines flying from Sky Harbor Intl to Heathrow

Discover the top 10 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 2,558,603 searches. Data last updated November 6, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$516Average$894FlexibilityNo cancel feeOn-time70%
Scandinavian AirlinesCheapest$533Average$687FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$534Average$971FlexibilityNo cancel feeOn-time71%
Virgin AtlanticCheapest$537Average$792FlexibilityNo cancel feeOn-time72%
JetBlueCheapest$551Average$889FlexibilityNo cancel feeOn-time62%
FinnairCheapest$565Average$892FlexibilityNo cancel feeOn-time76%
IberiaCheapest$567Average$1,021FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$581Average$822FlexibilityNo cancel feeOn-time69%
WestJetCheapest$595Average$777FlexibilityNo cancel feeOn-time60%
Air CanadaCheapest$604Average$896FlexibilityNo cancel feeOn-time67%

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