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Cheap flights from London Heathrow Airport to Phoenix from £285

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 4/3. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — PHX
27 Feb — 6 Mar1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from London Heathrow to Phoenix are usually found in March or September, booked 77 days in advance, depart on a Wednesday or Tuesday and return on a Wednesday

Cheap flight deals from Heathrow to Phoenix

Enter your travel dates to find the best prices.

Cheapest flights from Heathrow to Phoenix
Explore the most affordable flight options available from Heathrow to Phoenix. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 28 January 2026.

Thu 5/307:30
LHR
-
PHX
2 stops17h 49m
United Airlines
Thu 12/306:15
PHX
-
LHR
2 stops17h 05m
United Airlines
Deal found 27/1£557
Wed 4/214:25
LHR
-
PHX
Nonstop10h 55m
British Airways
Wed 25/213:15
PHX
-
LHR
1 stop12h 00m
British Airways
Deal found 27/1£558
Mon 9/218:00
LHR
-
PHX
2 stops30h 25m
Air Canada
Mon 23/208:00
PHX
-
LHR
2 stops17h 30m
Air Canada
Deal found 26/1£558
Mon 2/219:25
LHR
-
PHX
2 stops47h 19m
Air Canada
Sat 28/218:30
PHX
-
LHR
1 stop34h 20m
Air Canada
Deal found 26/1£559
Mon 9/214:25
LHR
-
PHX
Nonstop10h 55m
British Airways
Mon 23/213:39
PHX
-
LHR
1 stop13h 21m
British Airways
Deal found 27/1£560
Mon 2/211:20
LHR
-
PHX
2 stops32h 08m
Multiple Airlines
Mon 9/213:10
PHX
-
LHR
2 stops20h 40m
Multiple Airlines
Deal found 26/1£561
Fri 6/207:30
LHR
-
PHX
2 stops17h 36m
United Airlines
Tue 10/211:30
PHX
-
LHR
1 stop15h 45m
United Airlines
Deal found 27/1£561
Wed 11/206:20
LHR
-
PHX
1 stop14h 15m
Multiple Airlines
Mon 16/216:06
PHX
-
LHR
1 stop12h 34m
Multiple Airlines
Deal found 26/1£562
Thu 12/211:35
LHR
-
PHX
1 stop13h 39m
Lufthansa
Sun 15/209:40
PHX
-
LHR
1 stop13h 15m
Lufthansa
Deal found 26/1£563
Wed 4/214:30
LHR
-
PHX
1 stop33h 55m
Multiple Airlines
Wed 25/208:25
PHX
-
LHR
2 stops15h 45m
Multiple Airlines
Deal found 27/1£564

Find flight deals from Heathrow to Phoenix

Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) to Phoenix (PH1). 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 28 January 2026.

Round-trip from

£556

One-way from

£285

Popular in

December

Cheapest in

March

Average price

£617
11/3-18/3
  • 11/3-18/3
  • 4 total stops
  • 46h 17m total
  • London to Phoenix
Search Deals
4/3
  • 4/3
  • 3 total stops
  • 39h 38m total
  • London to Phoenix
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (£13 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£11 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Heathrow to Phoenix 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 28 January 2026.
Use the filters below to find and compare flights from London Heathrow Airport to Phoenix that are best for you.

Fly from

Heathrow

Fly to

Phoenix

Route

Depart

Return

Price

LondonPhoenix

LHR - PHX

LHRPHX

London Heathrow

Thu 12/3

06:30-17:19

2 stops17h 49m

Phoenix Sky Harbor Intl

Thu 19/3

12:30-10:50

2 stops15h 20m

£557

LondonPhoenix

LHR - PHX

LHRPHX

London Heathrow

Thu 12/2

06:30-19:18

2 stops19h 48m

Phoenix Sky Harbor Intl

Mon 16/2

08:30-07:25

2 stops15h 55m

£562

LondonPhoenix

LHR - PHX

LHRPHX

London Heathrow

Wed 11/3

06:30-16:39

2 stops17h 09m

Phoenix Sky Harbor Intl

Mon 16/3

09:37-08:45

2 stops16h 08m

£567

LondonPhoenix

LHR - PHX

LHRPHX

London Heathrow

Mon 23/2

08:40-21:17

2 stops19h 37m

Phoenix Sky Harbor Intl

Mon 2/3

07:10-08:45

2 stops18h 35m

£567

LondonPhoenix

LHR - PHX

LHRPHX

London Heathrow

Thu 30/4

07:45-18:10

2 stops18h 25m

Phoenix Sky Harbor Intl

Fri 8/5

16:39-12:20

1 stop11h 41m

£574

LondonPhoenix

LHR - PHX

LHRPHX

London Heathrow

Thu 30/4

07:45-18:10

2 stops18h 25m

Phoenix Sky Harbor Intl

Wed 13/5

13:50-09:40

1 stop11h 50m

£574

LondonPhoenix

LHR - PHX

LHRPHX

London Heathrow

Mon 9/2

14:25-18:20

Nonstop10h 55m

Phoenix Sky Harbor Intl

Mon 23/2

14:47-11:40

1 stop13h 53m

£577

LondonPhoenix

LHR - PHX

LHRPHX

London Heathrow

Fri 27/2

14:25-18:20

Nonstop10h 55m

Phoenix Sky Harbor Intl

Wed 13/5

23:12-21:40

1 stop14h 28m

£606

LondonPhoenix

LHR - PHX

LHRPHX

London Heathrow

Tue 3/3

09:20-21:10

1 stop18h 50m

Phoenix Sky Harbor Intl

Wed 1/4

23:59-20:45

1 stop12h 46m

£615

LondonPhoenix

LHR - PHX

LHRPHX

London Heathrow

Sat 7/3

09:20-20:11

1 stop17h 51m

Phoenix Sky Harbor Intl

Wed 1/4

23:59-20:45

1 stop12h 46m

£615

Flights are sorted by cheapest return flights first.

Deals found on 26/1

Showing 1-10 of 22 results
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Best time to book a flight from Heathrow to Phoenix

Have a flexible travel schedule? Discover the best time to fly to Phoenix from Heathrow 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 London Heathrow Airport to Phoenix

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

Use this chart to determine the optimal time to book a return flight from Heathrow to Phoenix. Price data was last updated on 23 January 2026.

The best time to book flights from London Heathrow Airport to Phoenix is 77 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, February is the cheapest month in which you can book a flight from London Heathrow Airport to Phoenix (average of £468). Flying from London Heathrow Airport to Phoenix in July is currently the most expensive (average of £571). 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 Phoenix. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 28 January 2026.

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

Weekly flight availability from London Heathrow Airport to Phoenix

Explore weekly flight availability from Heathrow to Phoenix. 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 28 January 2026.

The most flights from LHR to PH1 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).

How much does it cost for a return flight from London Heathrow Airport to Phoenix?

How often are flights from London to Phoenix delayed?

About 25% of weekly flights between London and Phoenix have experienced delays in the past year, with the average delay time being 163 minutes.

What is the most punctual flight time for London to Phoenix flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Wednesday tends to have the lowest number of delays on this route, whereas Tuesday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on London to Phoenix flights?

Over the past year, American Airlines have had the lowest number of delays on this route, with just 25% of flights being delayed.

Reviews of airlines servicing Phoenix

Get insights into the airlines that provide service to Phoenix. 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 Phoenix. Reviews last updated 28 January 2026.
Read reviews from past customers who have flown with Finnair, American Airlines, andIberia from London Heathrow Airport to Phoenix. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Finnair
7.6
Good
1,356 reviews
Check prices

Crew

8.2

Comfort

7.5

Food

6.7

Overall

7.6

Boarding

7.7

Entertainment

6.9

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights
Finnair
7.6
Good
1,356 reviews
Finnair
7.6
Good
1,356 reviews
Check prices

Crew

8.2

Comfort

7.5

Food

6.7

Overall

7.6

Boarding

7.7

Entertainment

6.9

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights
American Airlines
7.2
Good
11,198 reviews
Finnair
7.6
Good
1,356 reviews
Check prices

Crew

8.2

Comfort

7.5

Food

6.7

Overall

7.6

Boarding

7.7

Entertainment

6.9

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights
Iberia
7.0
Good
3,099 reviews
Finnair
7.6
Good
1,356 reviews
Check prices

Crew

8.2

Comfort

7.5

Food

6.7

Overall

7.6

Boarding

7.7

Entertainment

6.9

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights
Lufthansa
6.8
Okay
7,749 reviews
Finnair
7.6
Good
1,356 reviews
Check prices

Crew

8.2

Comfort

7.5

Food

6.7

Overall

7.6

Boarding

7.7

Entertainment

6.9

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights
British Airways
6.7
Okay
7,702 reviews
Finnair
7.6
Good
1,356 reviews
Check prices

Crew

8.2

Comfort

7.5

Food

6.7

Overall

7.6

Boarding

7.7

Entertainment

6.9

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights

Related info for your journey

Find useful and relevant information for your journey from Heathrow to Phoenix. 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 London Heathrow Airport to Phoenix?

    A quick flight from London Heathrow Airport to Phoenix can take about 17h 09m. United Airlines provides one of the quickest options available for as low as £567. Airlines will cover a distance of 5255 mi. This flight may include one or multiple stops.

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

    Cheapflights users have booked flights from London Heathrow Airport to Phoenix round-trip from £419. Other airlines that can offer you cheap pricing are United Airlines, from £464, and Air Canada, from £472. JetBlue is 36% 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 one-way?

    For one-way options, check prices for WestJet. According to our data, you can fly for as low as £278. Users have also found prices from £319 and £419 on JetBlue and Virgin Atlantic, respectively.

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from London Heathrow Airport to Phoenix on time: American Airlines (57%), Aer Lingus (57%), Finnair (57%).

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

    On average you can expect to pay £1,139 for a flight from London Heathrow Airport to Phoenix. The cheapest flight overall is £405 while the most popular route, (London Heathrow - Phoenix Sky Harbor Intl) is currently priced at £414.

  • Can I find deals for flights from Heathrow to Phoenix that include hotel bookings?

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

  • How can I find direct flights from Heathrow to Phoenix?

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

  • Can I find deals for business class flights from Heathrow to Phoenix?

    Yes. Cheapflights offers flight deals from Heathrow to Phoenix 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?

    Currently, February is the cheapest month in which you can book a flight from London Heathrow Airport to Phoenix (average of £468). Flying from London Heathrow Airport to Phoenix in July is currently the most expensive (average of £571). 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

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.

Top 10 airlines flying from Heathrow to Phoenix

Discover the top 10 airlines that operate flights from Heathrow to Phoenix. 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 28 January 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest£419Average£631FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
United AirlinesCheapest£464Average£608FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapest£472Average£534FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
IcelandairCheapest£484Average£652FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
FinnairCheapest£491Average£640FlexibilityNo cancel feeOn-time76%
Search Finnair flights
LufthansaCheapest£505Average£727FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
American AirlinesCheapest£507Average£678FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
British AirwaysCheapest£516Average£653FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Air FranceCheapest£527Average£769FlexibilityNo cancel feeOn-time77%
Search Air France flights
Virgin AtlanticCheapest£539Average£661FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Heathrow to Phoenix?

Cheapflights helps you search for flights from Heathrow to Phoenix via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Heathrow to Phoenix?

Cheapflights helps you find that perfect flight to Phoenix from Heathrow 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 Heathrow to Phoenix with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Heathrow to Phoenix, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Heathrow to Phoenix become cheaper?

Yes, Cheapflights offers price alerts on Heathrow to Phoenix 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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