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$285+ Cheap flights from Sky Harbor Intl (PHX) 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 10/11. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — LON
Aug 19 — Aug 261
Tue 8/19
Tue 8/26
1 adult, Economy
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Cheapflights Tip: The best prices from Phoenix Sky Harbor Intl 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 Sky Harbor Intl to London

Discover tips and strategies to find the most affordable flight options for your journey from Sky Harbor Intl (PHX) 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 14, 2025.

Round-trip from

$506
(Flighttix)

One-way from

$285
(Kiwi.com)

Popular in

December

Cheapest in

October

Average price

$839

Good round-trip deal

$599 or less

Good one-way deal

$464 or less
From Phoenix Sky Harbor Intl to London (LON)
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One-way flight from Phoenix Sky Harbor Intl to London (LON)
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Highest demand for flights based on searches. 4% potential increase in price ($46 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($38 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Price to beat on a round-trip flight from Phoenix Sky Harbor Intl to London (LON).
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Price to beat on a one-way flight from Phoenix Sky Harbor Intl to London (LON).
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Find flight deals from Sky Harbor Intl to London

Cheapest flights from Sky Harbor Intl to London
Explore the most affordable flight options available from Sky Harbor Intl to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.

This Flighttix deal was found by Cheapflights users on 8/13. 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 8/249:10 amPHX - LHR
1 stop13h 35mUnited Airlines
Tue 9/911:05 amLHR - PHX
1 stop14h 34mUnited Airlines
Deal found 8/13$506
This Cheapflightsfares deal was found by Cheapflights users on 8/12. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/711:16 pmPHX - LHR
1 stop12h 29mBritish Airways
Thu 10/163:10 pmLHR - PHX
1 stop14h 41mBritish Airways
Deal found 8/12$507
This Cheapflightsfares deal was found by Cheapflights users on 8/12. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/83:41 pmPHX - LHR
1 stop13h 04mBritish Airways
Tue 10/218:20 amLHR - PHX
1 stop14h 37mBritish Airways
Deal found 8/12$508
This Cheapflightsfares deal was found by Cheapflights users on 8/12. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/3011:54 amPHX - LHR
1 stop13h 06mBritish Airways
Wed 10/158:20 amLHR - PHX
1 stop14h 37mBritish Airways
Deal found 8/12$509
This Cheapflightsfares deal was found by Cheapflights users on 8/14. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/89:47 amPHX - LHR
1 stop12h 38mBritish Airways
Wed 9/173:40 pmLHR - PHX
Nonstop10h 50mBritish Airways
Deal found 8/14$510
This Cheapflightsfares deal was found by Cheapflights users on 8/12. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/236:40 pmPHX - LHR
Nonstop10h 10mIberia
Tue 10/711:15 amLHR - PHX
Nonstop11h 00mIberia
Deal found 8/12$511
This lol.travel deal was found by Cheapflights users on 8/14. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/246:40 pmPHX - LHR
Nonstop10h 10mFinnair
Tue 9/911:15 amLHR - PHX
Nonstop11h 00mFinnair
Deal found 8/14$512
This Gotogate deal was found by Cheapflights users on 8/12. 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 8/2411:50 amPHX - LHR
1 stop13h 10mBritish Airways
Tue 9/93:10 pmLHR - PHX
1 stop14h 39mBritish Airways
Deal found 8/12$513
This Finnair deal was found by Cheapflights users on 8/12. 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.
Tue 10/78:40 pmPHX - LHR
Nonstop10h 00mFinnair
Thu 10/2311:15 amLHR - PHX
Nonstop11h 00mFinnair
Deal found 8/12$514
This Cheapflightsfares deal was found by Cheapflights users on 8/12. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2311:55 amPHX - LHR
1 stop13h 05mBritish Airways
Tue 10/71:10 pmLHR - PHX
1 stop14h 11mBritish Airways
Deal found 8/12$515
This British Airways deal was found by Cheapflights users on 8/12. 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.
Sun 9/148:40 pmPHX - LHR
Nonstop10h 00mBritish Airways
Fri 10/33:40 pmLHR - PHX
Nonstop10h 50mBritish Airways
Deal found 8/12$516
This British Airways deal was found by Cheapflights users on 8/13. 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 10/78:40 pmPHX - LHR
Nonstop10h 00mBritish Airways
Thu 10/233:40 pmLHR - PHX
Nonstop10h 50mBritish Airways
Deal found 8/13$517

Cheapflights Fare Finder

 
Customize your flight search to find flights from Sky Harbor Intl 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 14, 2025.
Use the filters below to find and compare flights from Phoenix Sky Harbor Intl Airport to London that are best for you.

Fly from

Sky Harbor Intl

Fly to

London

Route

Depart

Return

Price

PhoenixLondon

PHX - LHR

PHXLHR

Phoenix Sky Harbor Intl

Tue 10/28

9:53 am-9:40 am

1 stop16h 47m

London Heathrow

Thu 11/6

1:25 pm-11:56 pm

2 stops41h 31m

$507

PhoenixLondon

PHX - LHR

PHXLHR

Phoenix Sky Harbor Intl

Mon 8/25

1:35 pm-12:20 pm

1 stop14h 45m

London Heathrow

Tue 9/2

2:05 pm-2:04 pm

2 stops31h 59m

$508

PhoenixLondon

PHX - LHR

PHXLHR

Phoenix Sky Harbor Intl

Sun 8/24

4:28 pm-12:20 pm

1 stop11h 52m

London Heathrow

Tue 9/2

2:05 pm-2:04 pm

2 stops31h 59m

$508

PhoenixLondon

PHX - LHR

PHXLHR

Phoenix Sky Harbor Intl

Tue 9/23

6:00 am-7:15 am

1 stop17h 15m

London Heathrow

Tue 10/7

6:15 am-12:50 pm

1 stop14h 35m

$512

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

$513

PhoenixLondon

PHX - LHR

PHXLHR

Phoenix Sky Harbor Intl

Wed 10/29

12:05 pm-9:00 am

1 stop13h 55m

London Heathrow

Thu 11/6

6:20 am-1:35 pm

1 stop14h 15m

$513

PhoenixLondon

PHX - LHR

PHXLHR

Phoenix Sky Harbor Intl

Sun 10/26

7:05 am-7:05 am

1 stop17h 00m

London Heathrow

Thu 11/6

6:20 am-1:35 pm

1 stop14h 15m

$513

PhoenixLondon

PHX - LHR

PHXLHR

Phoenix Sky Harbor Intl

Sat 8/23

4:28 pm-9:40 am

1 stop33h 12m

London Heathrow

Tue 9/2

2:05 pm-2:04 pm

2 stops31h 59m

$513

PhoenixLondon

PHX - LHR

PHXLHR

Phoenix Sky Harbor Intl

Mon 10/27

7:05 am-7:05 am

1 stop17h 00m

London Heathrow

Thu 11/6

6:20 am-1:35 pm

1 stop14h 15m

$513

PhoenixLondon

PHX - LHR

PHXLHR

Phoenix Sky Harbor Intl

Tue 10/28

9:50 am-10:00 am

1 stop17h 10m

London Heathrow

Thu 11/6

6:20 am-1:35 pm

1 stop14h 15m

$513

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/13

Showing 1-10 of 60 results
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The best insider tips for Phoenix Sky Harbor Intl Airport to London 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 trip
Airports
PHX

PHX offers short security lines, typically under 10 minutes, ensuring a smooth departure experience even during peak hours.

Read more about PHXby Brandon Schultz
LHR

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

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

Best time to book a flight from Sky Harbor Intl to London

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

How far ahead should I book a flight from Phoenix Sky Harbor Intl Airport to London?

Use this chart to determine the optimal time to book a round-trip flight from Sky Harbor Intl 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 Sky Harbor Intl Airport 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 Sky Harbor Intl Airport to London?

Currently, November is the cheapest month in which you can book a flight from Phoenix Sky Harbor Intl Airport to London (average of $661). Flying from Phoenix Sky Harbor Intl Airport 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 Sky Harbor Intl 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 14, 2025.

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

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

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

Travelers seeking maximum savings on their Phoenix Sky Harbor Intl Airport 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 Sky Harbor Intl Airport to London

Explore weekly flight availability from Sky Harbor Intl 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 14, 2025.

The most flights from PHX 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 14, 2025.
See what other customers who have flown with Finnair, American Airlines, and JetBlue from Phoenix Sky Harbor Intl Airport to London have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Finnair
7.6
Good
1,321 reviews

Overall

7.6

Entertainment

6.9

Boarding

7.6

Crew

8.1

Comfort

7.5

Food

6.7

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
1,321 reviews
Finnair
7.6
Good
1,321 reviews

Overall

7.6

Entertainment

6.9

Boarding

7.6

Crew

8.1

Comfort

7.5

Food

6.7

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.
American Airlines
7.2
Good
10,000 reviews
Finnair
7.6
Good
1,321 reviews

Overall

7.6

Entertainment

6.9

Boarding

7.6

Crew

8.1

Comfort

7.5

Food

6.7

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.
JetBlue
7.2
Good
2,913 reviews
Finnair
7.6
Good
1,321 reviews

Overall

7.6

Entertainment

6.9

Boarding

7.6

Crew

8.1

Comfort

7.5

Food

6.7

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
2,882 reviews
Finnair
7.6
Good
1,321 reviews

Overall

7.6

Entertainment

6.9

Boarding

7.6

Crew

8.1

Comfort

7.5

Food

6.7

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
7,266 reviews
Finnair
7.6
Good
1,321 reviews

Overall

7.6

Entertainment

6.9

Boarding

7.6

Crew

8.1

Comfort

7.5

Food

6.7

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 Sky Harbor Intl to London. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    Flying on Delta is currently your cheapest option to London, with prices starting at $498. Additional round-trip tickets that might be worth considering are offered by Virgin Atlantic and British Airways, with the lowest prices starting at $548 and $550, respectively. Delta is 44% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the most popular routes from Phoenix Sky Harbor Intl Airport to London?

    While some choose either Phoenix Sky Harbor Intl - London Gatwick or Phoenix Sky Harbor Intl - London City, Phoenix Sky Harbor Intl - London Heathrow is the most popular route from Phoenix Sky Harbor Intl Airport to London.

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

    Before booking your flight to London from Phoenix Sky Harbor Intl Airport, check out the most reliable airlines to get you to your destination on time: Iberia (79%), American Airlines (78%), Finnair( 78%).

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

    On average you can expect to pay $1,796 for a flight from Phoenix Sky Harbor Intl Airport to London. The cheapest flight overall is $397 while the most popular route, (Phoenix Sky Harbor Intl - London Heathrow) is currently priced at $493.

  • Can I find deals for flights from Sky Harbor Intl to London that include hotel bookings?

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

  • How can I find direct flights from Sky Harbor Intl to London?

    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 London.

  • Can I find deals for business class flights from Sky Harbor Intl to London?

    Yes. Cheapflights offers flight deals from Sky Harbor Intl 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 Sky Harbor Intl Airport to London?

    Currently, November is the cheapest month in which you can book a flight from Phoenix Sky Harbor Intl Airport to London (average of $661). Flying from Phoenix Sky Harbor Intl Airport 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
Harrow
Canterbury
Dartford
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Orpington
Watford
Gatwick
Borehamwood
Aylesbury
Chelmsford
Southend-on-Sea
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Sutton

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Top 10 airlines flying from Sky Harbor Intl to London

Discover the top 10 airlines that operate flights from Sky Harbor Intl 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 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$498Average$917FlexibilityNo cancel feeOn-timeN/A
Virgin AtlanticCheapest$548Average$802FlexibilityNo cancel feeOn-time72%
British AirwaysCheapest$550Average$926FlexibilityNo cancel feeOn-time70%
JetBlueCheapest$563Average$846FlexibilityNo cancel feeOn-time62%
FinnairCheapest$574Average$970FlexibilityNo cancel feeOn-time76%
WestJetCheapest$577Average$777FlexibilityNo cancel feeOn-time60%
United AirlinesCheapest$582Average$822FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$604Average$808FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$614Average$952FlexibilityNo cancel feeOn-time71%
IberiaCheapest$618Average$1,021FlexibilityNo cancel feeOn-time77%

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