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Cheap flights from London Heathrow Airport to Phoenix from £301

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 2/12. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — PHX
1 Nov — 8 Nov1
1 adult
1 adult, Economy

Cheapflights Tip: The best prices from London Heathrow to Phoenix are usually found in March or February, booked 58 days in advance, depart on a Monday or Tuesday and return on a Wednesday

Cheap 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 2 October 2025.

Round-trip from

£506

One-way from

£301

Popular in

December

Cheapest in

March

Average price

£662
United Airlines
  • United Airlines
  • 8/11-14/11
  • 2 total stops
  • 28h 33m total
  • London to Phoenix
Search Deals
2/12
  • 2/12
  • 3 total stops
  • 37h 28m total
  • London to Phoenix
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (£12 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 October 2025
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Find 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 2 October 2025.

Sat 8/1110:25LHR - PHX
1 stop15h 28mUnited Airlines
Fri 14/1100:30PHX - LHR
1 stop13h 05mUnited Airlines
Deal found 30/9£506
Sat 8/1113:25LHR - PHX
1 stop16h 05mAir Canada
Sat 15/1113:10PHX - LHR
2 stops35h 00mAir Canada
Deal found 30/9£507
Tue 7/1008:30LHR - PHX
2 stops18h 49mAir Canada
Tue 21/1007:30PHX - LHR
2 stops19h 55mAir Canada
Deal found 30/9£508
Wed 26/1106:30LHR - PHX
2 stops17h 19mDelta
Mon 8/1207:00PHX - LHR
2 stops17h 05mDelta
Deal found 30/9£510
Sat 8/1113:25LHR - PHX
2 stops27h 26mAir Canada
Wed 19/1115:30PHX - LHR
2 stops32h 00mAir Canada
Deal found 30/9£511
Fri 7/1111:10LHR - PHX
1 stop31h 39mAir Canada
Sat 15/1113:10PHX - LHR
2 stops35h 00mAir Canada
Deal found 30/9£511
Mon 10/1108:05LHR - PHX
1 stop20h 52mJetBlue
Sun 16/1122:10PHX - LHR
1 stop25h 45mJetBlue
Deal found 1/10£514
Tue 2/1213:45LHR - PHX
2 stops39h 14mMultiple Airlines
Sun 14/1213:25PHX - LHR
1 stop13h 50mMultiple Airlines
Deal found 1/10£516
Mon 10/1114:25LHR - PHX
Nonstop10h 55mFinnair
Mon 17/1120:25PHX - LHR
Nonstop9h 50mFinnair
Deal found 30/9£517
Mon 10/1114:25LHR - PHX
Nonstop10h 55mAmerican Airlines
Mon 24/1120:25PHX - LHR
Nonstop9h 50mAmerican Airlines
Deal found 30/9£517
Mon 3/1111:10LHR - PHX
2 stops17h 11mMultiple Airlines
Mon 17/1112:50PHX - LHR
2 stops17h 10mMultiple Airlines
Deal found 30/9£518
Thu 13/1114:20LHR - PHX
Nonstop10h 55mBritish Airways
Tue 18/1120:25PHX - LHR
Nonstop9h 50mBritish Airways
Deal found 30/9£519

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 2 October 2025.
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

Sat 21/2

08:00-19:39

2 stops18h 39m

Phoenix Sky Harbor Intl

Mon 2/3

14:52-09:40

1 stop11h 48m

£506

LondonPhoenix

LHR - PHX

LHRPHX

London Heathrow

Fri 7/11

11:35-17:56

1 stop13h 21m

Phoenix Sky Harbor Intl

Fri 14/11

00:30-21:20

1 stop13h 50m

£506

LondonPhoenix

LHR - PHX

LHRPHX

London Heathrow

Tue 11/11

10:00-21:07

2 stops18h 07m

Phoenix Sky Harbor Intl

Mon 17/11

00:59-07:05

1 stop23h 06m

£510

LondonPhoenix

LHR - PHX

LHRPHX

London Heathrow

Wed 12/11

11:35-17:56

1 stop13h 21m

Phoenix Sky Harbor Intl

Tue 18/11

00:30-20:35

1 stop13h 05m

£511

LondonPhoenix

LHR - PHX

LHRPHX

London Heathrow

Wed 4/2

10:25-19:22

1 stop15h 57m

Phoenix Sky Harbor Intl

Tue 24/2

00:28-20:35

1 stop13h 07m

£511

LondonPhoenix

LHR - PHX

LHRPHX

London Heathrow

Tue 11/11

10:25-18:53

1 stop15h 28m

Phoenix Sky Harbor Intl

Mon 17/11

00:30-20:35

1 stop13h 05m

£511

LondonPhoenix

LHR - PHX

LHRPHX

London Heathrow

Mon 10/11

14:25-18:20

Nonstop10h 55m

Phoenix Sky Harbor Intl

Mon 24/11

14:21-09:40

1 stop12h 19m

£518

LondonPhoenix

LHR - PHX

LHRPHX

London Heathrow

Tue 3/3

14:20-18:15

Nonstop10h 55m

Phoenix Sky Harbor Intl

Thu 5/3

23:59-20:00

1 stop13h 01m

£540

LondonPhoenix

LHR - PHX

LHRPHX

London Heathrow

Wed 4/2

09:00-22:49

2 stops20h 49m

Phoenix Sky Harbor Intl

Wed 18/2

11:15-12:50

2 stops18h 35m

£569

LondonPhoenix

LHR - PHX

LHRPHX

London Heathrow

Sat 22/11

06:20-13:35

1 stop14h 15m

Phoenix Sky Harbor Intl

Fri 5/12

00:59-07:05

1 stop23h 06m

£574

Flights are sorted by cheapest return flights first.

Deals found on 1/10

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 26 September 2025.

The best time to book flights from London Heathrow Airport to Phoenix is 58 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, January is the cheapest month in which you can book a flight from London Heathrow Airport to Phoenix (average of £729). Flying from London Heathrow Airport to Phoenix in July is currently the most expensive (average of £1,041). 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 2 October 2025.

A simple way to save on the total cost of your ticket is to fly from London Heathrow Airport to Phoenix in the afternoon. If you’re flexible enough to do this you can expect to save up to 16% on your trip compared to booking a flight in the evening.

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 2 October 2025.

The most flights from LHR to PH1 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).

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 2 October 2025.
Read reviews from past customers who have flown with Finnair, Virgin Atlantic, 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
1,332 reviews
Check prices

Entertainment

6.9

Boarding

7.6

Food

6.7

Comfort

7.4

Crew

8.1

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.
Finnair
7.6
Good
1,332 reviews
Finnair
7.6
Good
1,332 reviews
Check prices

Entertainment

6.9

Boarding

7.6

Food

6.7

Comfort

7.4

Crew

8.1

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.
Virgin Atlantic
7.4
Good
665 reviews
Finnair
7.6
Good
1,332 reviews
Check prices

Entertainment

6.9

Boarding

7.6

Food

6.7

Comfort

7.4

Crew

8.1

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.
Iberia
7.0
Good
2,966 reviews
Finnair
7.6
Good
1,332 reviews
Check prices

Entertainment

6.9

Boarding

7.6

Food

6.7

Comfort

7.4

Crew

8.1

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.
Lufthansa
6.8
Okay
7,443 reviews
Finnair
7.6
Good
1,332 reviews
Check prices

Entertainment

6.9

Boarding

7.6

Food

6.7

Comfort

7.4

Crew

8.1

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.
British Airways
6.7
Okay
7,413 reviews
Finnair
7.6
Good
1,332 reviews
Check prices

Entertainment

6.9

Boarding

7.6

Food

6.7

Comfort

7.4

Crew

8.1

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.

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 18h 07m. United Airlines provides one of the quickest options available for as low as £510. 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 £371. Other airlines that can offer you cheap pricing are Icelandair, from £442, and JetBlue, from £446. WestJet is 44% 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 £333. Users have also found prices from £423 and £427 on JetBlue and British Airways, 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 (61%), Finnair (61%), Iberia (61%).

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

    On average you can expect to pay £1,766 for a flight from London Heathrow Airport to Phoenix. The cheapest flight overall is £329 while the most popular route, (London Heathrow - Phoenix Sky Harbor Intl) is currently priced at £459.

  • 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, January is the cheapest month in which you can book a flight from London Heathrow Airport to Phoenix (average of £729). Flying from London Heathrow Airport to Phoenix in July is currently the most expensive (average of £1,041). 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 2 October 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapest£371Average£549FlexibilityNo cancel feeOn-time60%
Search WestJet flights
IcelandairCheapest£442Average£606FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
JetBlueCheapest£446Average£576FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
United AirlinesCheapest£473Average£648FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
LufthansaCheapest£490Average£652FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Air CanadaCheapest£491Average£545FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
FinnairCheapest£494Average£625FlexibilityNo cancel feeOn-time76%
Search Finnair flights
American AirlinesCheapest£516Average£677FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Virgin AtlanticCheapest£526Average£676FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
Scandinavian AirlinesCheapest£526Average£805FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines 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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