London

$301+ Cheap flights from Phoenix to London (LON)

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 9/14. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — LON
Aug 26 — Sep 21
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Find cheap flights from Phoenix to London with Cheapflights

1. Tell us where you want to go

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Cheapflights Tip: The best prices from Phoenix to London are usually found in October or September, booked 66 days in advance, depart on a Wednesday or Tuesday and return on a Wednesday

Cheap flight deals from Phoenix to London

Discover tips and strategies to find the most affordable flight options for your journey from Phoenix (PH1) to London (LON). 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 August 21, 2025.

Round-trip from

$509
(Gurufare)

One-way from

$320
(Kiwi.com)

Popular in

December

Cheapest in

October

Average price

$839
From Phoenix to London (LON)
One-way flight from Phoenix to London (LON)
Highest demand for flights based on searches. 4% potential increase in price ($46 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($38 potential savings vs. average RT price).
Average for round-trip flights in August 2025

Find flight deals from Phoenix to London

Cheapest flights from Phoenix to London
Explore the most affordable flight options available from Phoenix to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 21, 2025.

This Gurufare deal was found by Cheapflights users on 8/21. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/78:40 pmPHX - LHR
Nonstop10h 00mFinnair
Wed 10/223:40 pmLHR - PHX
Nonstop10h 50mFinnair
Deal found 8/21$509
This Ovago deal was found by Cheapflights users on 8/19. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/148:40 pmPHX - LHR
Nonstop10h 00mBritish Airways
Tue 9/3011:15 amLHR - PHX
Nonstop11h 00mBritish Airways
Deal found 8/19$510
This Booking.com deal was found by Cheapflights users on 8/21. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/228:40 pmPHX - LHR
Nonstop10h 00mFinnair
Fri 10/312:25 pmLHR - PHX
Nonstop10h 55mFinnair
Deal found 8/21$512
This Flightnetwork deal was found by Cheapflights users on 8/21. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/75:24 pmPHX - LHR
1 stop13h 01mBritish Airways
Tue 9/233:40 pmLHR - PHX
Nonstop10h 50mBritish Airways
Deal found 8/21$513
This KLM deal was found by Cheapflights users on 8/21. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/711:03 amPHX - LHR
1 stop13h 52mMultiple Airlines
Thu 10/236:15 amLHR - PHX
1 stop14h 35mMultiple Airlines
Deal found 8/21$514
This FlightHub deal was found by Cheapflights users on 8/21. 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.
Tue 10/78:40 pmPHX - LHR
Nonstop10h 00mBritish Airways
Thu 10/1611:15 amLHR - PHX
Nonstop11h 00mBritish Airways
Deal found 8/21$515
This Finnair deal was found by Cheapflights users on 8/21. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/76:40 pmPHX - LHR
Nonstop10h 10mFinnair
Tue 9/2311:15 amLHR - PHX
Nonstop11h 00mFinnair
Deal found 8/21$516
This British Airways deal was found by Cheapflights users on 8/21. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/98:40 pmPHX - LHR
Nonstop10h 00mBritish Airways
Wed 9/173:40 pmLHR - PHX
Nonstop10h 50mBritish Airways
Deal found 8/21$517
This Iberia deal was found by Cheapflights users on 8/20. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/710:51 amPHX - LHR
1 stop14h 09mIberia
Tue 9/2311:15 amLHR - PHX
Nonstop11h 00mIberia
Deal found 8/20$518
This Delta deal was found by Cheapflights users on 8/21. 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.
Tue 10/71:20 pmPHX - LHR
2 stops15h 50mDelta
Thu 10/236:15 amLHR - PHX
1 stop14h 35mDelta
Deal found 8/21$519
This Ovago deal was found by Cheapflights users on 8/20. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/238:40 pmPHX - LHR
Nonstop10h 00mBritish Airways
Tue 10/73:10 pmLHR - PHX
1 stop14h 44mBritish Airways
Deal found 8/20$520
This Expedia deal was found by Cheapflights users on 8/21. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/3111:48 pmPHX - LHR
1 stop26h 32mBritish Airways
Fri 9/123:40 pmLHR - PHX
Nonstop10h 50mBritish Airways
Deal found 8/21$521

Cheapflights Fare Finder

 
Customize your flight search to find flights from Phoenix to London 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 August 21, 2025.
Use the filters below to find and compare flights from Phoenix to London that are best for you.

Fly from

Phoenix

Fly to

London

Route

Depart

Return

Price

PhoenixLondon

PHX - LHR

PHXLHR

Phoenix Sky Harbor Intl

Tue 10/7

11:45 am-8:50 am

1 stop13h 05m

London Heathrow

Thu 10/23

6:15 am-12:50 pm

1 stop14h 35m

$510

PhoenixLondon

PHX - LHR

PHXLHR

Phoenix Sky Harbor Intl

Sat 9/6

11:59 pm-6:45 am

1 stop22h 46m

London Heathrow

Thu 9/18

6:15 am-12:50 pm

1 stop14h 35m

$514

PhoenixLondon

PHX - LHR

PHXLHR

Phoenix Sky Harbor Intl

Wed 2/4

12:45 pm-9:20 am

1 stop13h 35m

London Heathrow

Wed 2/25

6:20 am-1:35 pm

1 stop14h 15m

$514

PhoenixLondon

PHX - LHR

PHXLHR

Phoenix Sky Harbor Intl

Mon 9/29

6:05 am-7:15 am

1 stop17h 10m

London Heathrow

Tue 10/7

6:15 am-12:50 pm

1 stop14h 35m

$514

PhoenixLondon

PHX - LHR

PHXLHR

Phoenix Sky Harbor Intl

Tue 9/23

1:25 pm-9:50 am

1 stop12h 25m

London Heathrow

Tue 10/7

6:15 am-12:50 pm

1 stop14h 35m

$514

PhoenixLondon

PHX - LHR

PHXLHR

Phoenix Sky Harbor Intl

Sun 11/23

7:05 am-9:00 am

1 stop18h 55m

London Heathrow

Thu 12/4

6:20 am-1:35 pm

1 stop14h 15m

$514

PhoenixLondon

PHX - LHR

PHXLHR

Phoenix Sky Harbor Intl

Wed 11/12

12:30 pm-8:45 am

1 stop13h 15m

London Heathrow

Thu 12/11

6:20 am-1:35 pm

1 stop14h 15m

$514

PhoenixLondon

PHX - LHR

PHXLHR

Phoenix Sky Harbor Intl

Tue 10/7

6:00 am-9:15 am

1 stop19h 15m

London Heathrow

Thu 10/23

6:15 am-12:50 pm

1 stop14h 35m

$514

PhoenixLondon

PHX - LHR

PHXLHR

Phoenix Sky Harbor Intl

Wed 10/22

11:45 am-8:50 am

1 stop13h 05m

London Heathrow

Thu 10/30

6:20 am-1:35 pm

1 stop14h 15m

$514

PhoenixLondon

PHX - LHR

PHXLHR

Phoenix Sky Harbor Intl

Tue 11/25

2:20 pm-10:00 am

1 stop12h 40m

London Heathrow

Thu 12/4

6:20 am-1:35 pm

1 stop14h 15m

$514

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/18

Showing 1-10 of 60 results
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Best time to book a flight from Phoenix to London

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

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

Use this chart to determine the optimal time to book a round-trip flight from Phoenix to London. Price data was last updated on August 8, 2025.

Booking 66 days in advance of your planned departure date is, on average, the best time to get cheap flights from Phoenix to London. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, November is the cheapest month in which you can book a flight from Phoenix to London (average of $661). Flying from Phoenix to London in June is currently the most expensive (average of $1,097). 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 LON?

Find hourly flight availability from Phoenix to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 21, 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 16% on flights from Phoenix to London by exploring options for tickets in the morning.

What is the cheapest day to fly from Phoenix to London?

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

Travelers seeking maximum savings on their Phoenix to London flight should consider departing on Tuesday mornings when fares are most often at their lowest. Thursday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Phoenix to London

Explore weekly flight availability from Phoenix to London. 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 August 21, 2025.

The most flights from PH1 to LON 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 London

Get insights into the airlines that provide service to London. 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 London. Reviews last updated August 21, 2025.
Get a feel of what it's like to fly with Finnair, American Airlines, and JetBlue from Phoenix to London by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Overall

7.6

Boarding

7.6

Crew

8.1

Food

6.7

Entertainment

6.9

Comfort

7.5

Reviews

1 / 20
4.0
Okay

Julia,Feb 2024

JFK - HEL

The bathroom was broken, AC wasn’t working, tv wasn’t working for half the flight

Overall

7.6

Boarding

7.6

Crew

8.1

Food

6.7

Entertainment

6.9

Comfort

7.5

Reviews

1 / 20
4.0
Okay

Julia,Feb 2024

JFK - HEL

The bathroom was broken, AC wasn’t working, tv wasn’t working for half the flight

Overall

7.6

Boarding

7.6

Crew

8.1

Food

6.7

Entertainment

6.9

Comfort

7.5

Reviews

1 / 20
4.0
Okay

Julia,Feb 2024

JFK - HEL

The bathroom was broken, AC wasn’t working, tv wasn’t working for half the flight

Overall

7.6

Boarding

7.6

Crew

8.1

Food

6.7

Entertainment

6.9

Comfort

7.5

Reviews

1 / 20
4.0
Okay

Julia,Feb 2024

JFK - HEL

The bathroom was broken, AC wasn’t working, tv wasn’t working for half the flight

Overall

7.6

Boarding

7.6

Crew

8.1

Food

6.7

Entertainment

6.9

Comfort

7.5

Reviews

1 / 20
4.0
Okay

Julia,Feb 2024

JFK - HEL

The bathroom was broken, AC wasn’t working, tv wasn’t working for half the flight

Overall

7.6

Boarding

7.6

Crew

8.1

Food

6.7

Entertainment

6.9

Comfort

7.5

Reviews

1 / 20
4.0
Okay

Julia,Feb 2024

JFK - HEL

The bathroom was broken, AC wasn’t working, tv wasn’t working for half the flight

Related info for your journey

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

    There are many flights that can get you from Phoenix to London in 15h 40m. Fly via Delta, American Airlines, or British Airways to get the fastest option. The distance between Phoenix and London is about 5277 mi. This flight may include one or multiple stops.

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

    Our cheapest airline available from Phoenix to London is Delta. Our recent data shows that you can find tickets from as low as $498 on this airline. Additional options worth looking into are British Airways and Virgin Atlantic, starting at $540 and $548 round-trip. Delta is currently priced 44% below the average price you’ll pay for this route.

  • What are the most popular routes from Phoenix to London?

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

    The top 3 most reliable airlines when flying from Phoenix to London are American Airlines (76%), Finnair (76%) and British Airways (76%).

  • What are the cheapest flights from Phoenix to London?

    The cheapest flight price from Phoenix to London is $397. On average you can expect to pay $1,848. The most popular route, (Phoenix Sky Harbor Intl - London Heathrow), can usually be booked for $509.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Phoenix to London 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 to London?

    Currently, November is the cheapest month in which you can book a flight from Phoenix to London (average of $661). Flying from Phoenix to London in June is currently the most expensive (average of $1,097). 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?

Book flights to London if you plan to visit one of these locations
Hounslow
Hayes
Thornton Heath
Southend-on-Sea
Harrow
Canterbury
Croydon
Dartford
Dover
Orpington
Gatwick
Borehamwood
Aylesbury
Chelmsford
Bedford
Folkestone
Chichester
Arundel
Eastbourne
Milton Keynes

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 Phoenix to London

Discover the top 10 airlines that operate flights from Phoenix to London. 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 August 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$498Average$917FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$540Average$917FlexibilityNo cancel feeOn-time70%
Virgin AtlanticCheapest$548Average$802FlexibilityNo cancel feeOn-time72%
JetBlueCheapest$562Average$845FlexibilityNo cancel feeOn-time62%
FinnairCheapest$574Average$954FlexibilityNo cancel feeOn-time76%
WestJetCheapest$577Average$777FlexibilityNo cancel feeOn-time60%
United AirlinesCheapest$582Average$822FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$604Average$808FlexibilityNo cancel feeOn-time67%
IberiaCheapest$610Average$1,014FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$614Average$944FlexibilityNo cancel feeOn-time71%

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