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Cheap flights from Phoenix Sky Harbor Intl Airport to London Heathrow Airport from £170

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 24/2. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — LHR
21 févr. — 28 févr.1
1 adult
1 adult, Economy, 0 bags
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 Tuesday

Cheap flight deals from Sky Harbor Intl to Heathrow

Enter your travel dates to find the best prices.

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 22 janvier 2026.

jeu. 19/215:09
PHX
-
LHR
1 stop14h 11m
Finnair
jeu. 26/214:20
LHR
-
PHX
Nonstop10h 55m
Finnair
Deal found 21/1£526
dim. 15/208:00
PHX
-
LHR
2 stops29h 35m
Multiple Airlines
sam. 28/209:00
LHR
-
PHX
2 stops19h 50m
Multiple Airlines
Deal found 21/1£527
ven. 6/200:28
PHX
-
LHR
1 stop13h 52m
United Airlines
mer. 11/209:00
LHR
-
PHX
2 stops21h 57m
United Airlines
Deal found 21/1£528
ven. 6/209:00
PHX
-
LHR
2 stops19h 50m
Multiple Airlines
lun. 9/220:15
LHR
-
PHX
2 stops28h 51m
Multiple Airlines
Deal found 20/1£529
mer. 4/220:25
PHX
-
LHR
Nonstop9h 50m
British Airways
jeu. 12/214:20
LHR
-
PHX
Nonstop10h 55m
British Airways
Deal found 22/1£529
jeu. 19/220:25
PHX
-
LHR
Nonstop9h 50m
British Airways
jeu. 26/214:20
LHR
-
PHX
Nonstop10h 55m
British Airways
Deal found 21/1£530
ven. 6/220:25
PHX
-
LHR
Nonstop9h 50m
British Airways
lun. 9/219:40
LHR
-
PHX
2 stops31h 39m
British Airways
Deal found 20/1£531
sam. 2/512:40
PHX
-
LHR
2 stops39h 10m
Air Canada
sam. 9/517:15
LHR
-
PHX
2 stops34h 07m
Air Canada
Deal found 21/1£532
mer. 16/911:27
PHX
-
LHR
2 stops20h 58m
Multiple Airlines
lun. 21/920:25
LHR
-
PHX
2 stops28h 47m
Multiple Airlines
Deal found 20/1£532
dim. 15/211:24
PHX
-
LHR
1 stop13h 26m
British Airways
sam. 28/214:25
LHR
-
PHX
Nonstop10h 55m
British Airways
Deal found 20/1£533
ven. 30/116:36
PHX
-
LHR
2 stops18h 14m
SWISS
ven. 6/209:00
LHR
-
PHX
2 stops21h 57m
SWISS
Deal found 20/1£534
jeu. 26/212:45
PHX
-
LHR
1 stop15h 35m
Air Canada
lun. 2/311:05
LHR
-
PHX
2 stops42h 25m
Air Canada
Deal found 20/1£535

Find 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 22 janvier 2026.

Round-trip from

£526

One-way from

£170

Popular in

June

Cheapest in

October

Average price

£595

Good round-trip deal

£513 or less

Good one-way deal

£376 or less
Finnair
  • Finnair
  • 19/2-26/2
  • 1 total stop
  • 25h 06m total
  • Phoenix to London
Search Deals
Finnair
  • Finnair
  • 24/2
  • Nonstop
  • 9h 50m total
  • Phoenix to London
Search Deals
Highest demand for flights based on searches. 21% potential increase in price (£139 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£19 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 2026
Search Deals
Price to beat on a round-trip flight from Phoenix Sky Harbor Intl to London Heathrow.
Search Deals
Price to beat on a one-way flight from Phoenix Sky Harbor Intl to London Heathrow.
Search Deals

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 22 janvier 2026.
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

sam. 14/2

20:25-13:15

Nonstop9h 50m

London Heathrow

mar. 24/2

14:20-18:15

Nonstop10h 55m

£538

PhoenixLondon

PHX - LHR

PHXLHR

Phoenix Sky Harbor Intl

ven. 13/2

20:25-13:15

Nonstop9h 50m

London Heathrow

mer. 25/2

14:25-18:20

Nonstop10h 55m

£538

PhoenixLondon

PHX - LHR

PHXLHR

Phoenix Sky Harbor Intl

mer. 11/2

20:25-13:15

Nonstop9h 50m

London Heathrow

dim. 1/3

14:20-18:15

Nonstop10h 55m

£538

PhoenixLondon

PHX - LHR

PHXLHR

Phoenix Sky Harbor Intl

ven. 13/2

20:25-13:15

Nonstop9h 50m

London Heathrow

mar. 24/2

14:20-18:15

Nonstop10h 55m

£538

PhoenixLondon

PHX - LHR

PHXLHR

Phoenix Sky Harbor Intl

lun. 16/2

20:25-13:15

Nonstop9h 50m

London Heathrow

sam. 28/2

14:25-18:20

Nonstop10h 55m

£538

PhoenixLondon

PHX - LHR

PHXLHR

Phoenix Sky Harbor Intl

ven. 13/2

20:25-13:15

Nonstop9h 50m

London Heathrow

jeu. 26/2

14:20-18:15

Nonstop10h 55m

£538

PhoenixLondon

PHX - LHR

PHXLHR

Phoenix Sky Harbor Intl

mar. 10/2

20:25-13:15

Nonstop9h 50m

London Heathrow

lun. 2/3

14:25-18:20

Nonstop10h 55m

£538

PhoenixLondon

PHX - LHR

PHXLHR

Phoenix Sky Harbor Intl

mer. 18/2

13:39-10:00

1 stop13h 21m

London Heathrow

dim. 1/3

14:20-18:15

Nonstop10h 55m

£541

PhoenixLondon

PHX - LHR

PHXLHR

Phoenix Sky Harbor Intl

jeu. 12/2

14:52-09:40

1 stop11h 48m

London Heathrow

mar. 24/2

11:35-18:14

1 stop13h 39m

£549

PhoenixLondon

PHX - LHR

PHXLHR

Phoenix Sky Harbor Intl

jeu. 19/2

12:35-07:55

1 stop12h 20m

London Heathrow

jeu. 26/2

11:35-20:04

1 stop15h 29m

£549

Flights are sorted by cheapest return flights first.

Deals found on 20/1

Showing 1-10 of 21 results
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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 16 January 2026.

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, September is the cheapest month in which you can book a flight from Phoenix Sky Harbor Intl Airport to London Heathrow Airport (average of £374). Flying from Phoenix Sky Harbor Intl Airport to London Heathrow Airport in June is currently the most expensive (average of £668). 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 22 janvier 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Phoenix Sky Harbor Intl Airport to London Heathrow Airport as you normally would.

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 22 janvier 2026.
Get a feel of what it's like to fly with JetBlue, Iberia, andBritish Airways 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.
JetBlue
7.2
Good
2,890 reviews
Check prices

Entertainment

7.2

Food

6.6

Crew

8.0

Comfort

7.5

Overall

7.2

Boarding

7.4

Reviews

1 / 20
4.0
Okay

Jeff,Dec 2025

LAX - BOS

We boarded an hour and a half late and the crew was very salty when asked why. Still got no reason other than someone took the intended plane? Won't fly with them again.
JetBlue
7.2
Good
2,890 reviews
JetBlue
7.2
Good
2,890 reviews
Check prices

Entertainment

7.2

Food

6.6

Crew

8.0

Comfort

7.5

Overall

7.2

Boarding

7.4

Reviews

1 / 20
4.0
Okay

Jeff,Dec 2025

LAX - BOS

We boarded an hour and a half late and the crew was very salty when asked why. Still got no reason other than someone took the intended plane? Won't fly with them again.
Iberia
7.0
Good
3,094 reviews
JetBlue
7.2
Good
2,890 reviews
Check prices

Entertainment

7.2

Food

6.6

Crew

8.0

Comfort

7.5

Overall

7.2

Boarding

7.4

Reviews

1 / 20
4.0
Okay

Jeff,Dec 2025

LAX - BOS

We boarded an hour and a half late and the crew was very salty when asked why. Still got no reason other than someone took the intended plane? Won't fly with them again.
British Airways
6.7
Okay
7,689 reviews
JetBlue
7.2
Good
2,890 reviews
Check prices

Entertainment

7.2

Food

6.6

Crew

8.0

Comfort

7.5

Overall

7.2

Boarding

7.4

Reviews

1 / 20
4.0
Okay

Jeff,Dec 2025

LAX - BOS

We boarded an hour and a half late and the crew was very salty when asked why. Still got no reason other than someone took the intended plane? Won't fly with them again.

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?

    Airlines like British Airways fly from Phoenix Sky Harbor Intl Airport to London Heathrow Airport in about 9h 50m. The time it takes to get you to your destination is usually consistent. Airlines will cover a distance of 5255 mi. Generally, flights for this route are direct.

  • 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 £509. Other airlines that can offer you cheap pricing are Iberia, from £512, and JetBlue, from £541. Users have found that British Airways is 24% 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?

    Consider American Airlines (50%), Aer Lingus (50%) or Finnair (50%) 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 £646, our data shows the cheapest flight currently is £371. When looking at the most popular route, (Phoenix Sky Harbor Intl - London Heathrow), you can expect to pay £474 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, September is the cheapest month in which you can book a flight from Phoenix Sky Harbor Intl Airport to London Heathrow Airport (average of £374). Flying from Phoenix Sky Harbor Intl Airport to London Heathrow Airport in June is currently the most expensive (average of £668). 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
Luton
Croydon
Northampton
Wembley
Gatwick
Slough
Hounslow
Ilford
Brentford
Hayes
Colchester
Watford
Swindon
Crawley
Bedford
Kingston upon Thames
Chelmsford
Eastbourne
Romford

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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

Top 3 airlines flying from Sky Harbor Intl to Heathrow

Discover the top 3 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 22 janvier 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£509Average£732FlexibilityNo cancel feeOn-time70%
Search British Airways flights
IberiaCheapest£512Average£898FlexibilityNo cancel feeOn-time77%
Search Iberia flights
JetBlueCheapest£541Average£646FlexibilityNo cancel feeOn-time62%
Search JetBlue 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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