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$334+ 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 9/30. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — LON
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
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 September 15, 2025.

Round-trip from

$505
(Air Canada)

One-way from

$334
(FlightHub)

Popular in

June

Cheapest in

October

Average price

$709

Good round-trip deal

$637 or less

Good one-way deal

$503 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. 20% potential increase in price ($233 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($35 potential savings vs. average RT price).
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Average for round-trip flights in September 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 September 15, 2025.

This flugladen.de deal was found by Cheapflights users on 9/15. 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2211:20 amPHX - LHR
1 stop14h 40mAir Canada
Wed 10/88:30 amLHR - PHX
1 stop33h 52mAir Canada
Deal found 9/15$493
This Air Canada deal was found by Cheapflights users on 9/14. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/48:30 pmPHX - LHR
1 stop32h 50mAir Canada
Wed 10/291:25 pmLHR - PHX
2 stops35h 28mAir Canada
Deal found 9/14$505
This Booking.com deal was found by Cheapflights users on 9/13. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/76:00 amPHX - LHR
2 stops19h 35mAir Canada
Tue 10/216:50 amLHR - PHX
2 stops20h 29mAir Canada
Deal found 9/13$507
This Air Canada deal was found by Cheapflights users on 9/14. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/66:30 pmPHX - LHR
2 stops28h 00mAir Canada
Fri 10/311:25 pmLHR - PHX
2 stops32h 33mAir Canada
Deal found 9/14$509
This United deal was found by Cheapflights users on 9/15. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/74:15 pmPHX - LHR
1 stop31h 25mMultiple Airlines
Tue 10/212:10 pmLHR - PHX
1 stop29h 11mMultiple Airlines
Deal found 9/15$510
This Air Canada deal was found by Cheapflights users on 9/14. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/411:20 amPHX - LHR
2 stops35h 10mAir Canada
Thu 10/301:25 pmLHR - PHX
2 stops35h 28mAir Canada
Deal found 9/14$511
This Cheapflightsfares deal was found by Cheapflights users on 9/14. 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.
Sun 11/308:25 pmPHX - LHR
Nonstop9h 50mIberia
Thu 1/222:20 pmLHR - PHX
Nonstop10h 55mIberia
Deal found 9/14$512
This Delta deal was found by Cheapflights users on 9/15. 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.
Mon 9/2212:16 pmPHX - LHR
1 stop18h 19mDelta
Tue 9/306:15 amLHR - PHX
1 stop14h 35mDelta
Deal found 9/15$514
This Air Canada deal was found by Cheapflights users on 9/12. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/38:30 amPHX - LHR
2 stops15h 40mAir Canada
Fri 12/1211:10 amLHR - PHX
2 stops35h 38mAir Canada
Deal found 9/12$515
This Air Canada deal was found by Cheapflights users on 9/13. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/47:03 pmPHX - LHR
2 stops29h 07mAir Canada
Thu 11/136:00 pmLHR - PHX
2 stops35h 41mAir Canada
Deal found 9/13$516
This United Airlines deal was found by Cheapflights users on 9/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/711:08 amPHX - LHR
1 stop14h 12mUnited Airlines
Wed 10/229:00 amLHR - PHX
2 stops20h 57mUnited Airlines
Deal found 9/15$517
This Air Canada deal was found by Cheapflights users on 9/13. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/38:00 amPHX - LHR
2 stops39h 30mAir Canada
Fri 11/146:00 pmLHR - PHX
2 stops34h 21mAir Canada
Deal found 9/13$518

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 September 15, 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

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

Mon 11/3

8:00 am-8:45 am

2 stops17h 45m

London Heathrow

Thu 11/13

6:20 am-1:35 pm

1 stop14h 15m

$519

PhoenixLondon

PHX - LHR

PHXLHR

Phoenix Sky Harbor Intl

Sun 11/30

8:57 pm-4:50 pm

1 stop12h 53m

London Heathrow

Tue 1/27

11:30 am-11:33 pm

2 stops19h 03m

$524

PhoenixLondon

PHX - LHR

PHXLHR

Phoenix Sky Harbor Intl

Sun 11/30

8:57 pm-4:50 pm

1 stop12h 53m

London Heathrow

Thu 1/22

6:30 am-7:09 pm

2 stops19h 39m

$525

PhoenixLondon

PHX - LHR

PHXLHR

Phoenix Sky Harbor Intl

Wed 10/1

10:04 am-7:25 am

1 stop13h 21m

London Heathrow

Fri 10/10

4:15 pm-8:59 am

1 stop24h 44m

$526

PhoenixLondon

PHX - LHR

PHXLHR

Phoenix Sky Harbor Intl

Tue 12/2

7:00 am-7:05 am

2 stops17h 05m

London Heathrow

Tue 12/16

10:00 am-10:39 pm

2 stops19h 39m

$530

PhoenixLondon

PHX - LHR

PHXLHR

Phoenix Sky Harbor Intl

Tue 12/9

8:30 am-7:10 am

2 stops15h 40m

London Heathrow

Tue 12/16

11:35 am-5:51 pm

1 stop13h 16m

$532

PhoenixLondon

PHX - LHR

PHXLHR

Phoenix Sky Harbor Intl

Wed 10/8

11:44 am-9:40 am

1 stop13h 56m

London Heathrow

Wed 10/15

4:15 pm-11:25 pm

1 stop15h 10m

$532

PhoenixLondon

PHX - LHR

PHXLHR

Phoenix Sky Harbor Intl

Tue 10/7

10:33 am-7:15 am

1 stop12h 42m

London Heathrow

Fri 10/24

9:55 am-7:05 pm

1 stop17h 10m

$532

PhoenixLondon

PHX - LHR

PHXLHR

Phoenix Sky Harbor Intl

Mon 10/6

1:20 pm-9:50 am

1 stop12h 30m

London Heathrow

Wed 10/15

9:55 am-7:05 pm

1 stop17h 10m

$532

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/13

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 September 12, 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 September 15, 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 15% 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 September 15, 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 September 15, 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
1,323 reviews

Crew

8.1

Boarding

7.6

Entertainment

6.9

Food

6.7

Comfort

7.5

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
1,323 reviews
Finnair
7.6
Good
1,323 reviews

Crew

8.1

Boarding

7.6

Entertainment

6.9

Food

6.7

Comfort

7.5

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.
American Airlines
7.2
Good
10,000 reviews
Finnair
7.6
Good
1,323 reviews

Crew

8.1

Boarding

7.6

Entertainment

6.9

Food

6.7

Comfort

7.5

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.
JetBlue
7.2
Good
2,912 reviews
Finnair
7.6
Good
1,323 reviews

Crew

8.1

Boarding

7.6

Entertainment

6.9

Food

6.7

Comfort

7.5

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
2,924 reviews
Finnair
7.6
Good
1,323 reviews

Crew

8.1

Boarding

7.6

Entertainment

6.9

Food

6.7

Comfort

7.5

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
7,361 reviews
Finnair
7.6
Good
1,323 reviews

Crew

8.1

Boarding

7.6

Entertainment

6.9

Food

6.7

Comfort

7.5

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 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.

  • How long is the flight from Phoenix Sky Harbor Intl Airport to London?

    Delta, United Airlines, and SWISS can get you from Phoenix Sky Harbor Intl Airport to London in just under 13h 05m. Your travel time can differ by up to 8h 36m. The distance from Phoenix Sky Harbor Intl Airport to London is about 5255 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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 British Airways and Virgin Atlantic, with the lowest prices starting at $523 and $548, respectively. Delta is 43% 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: American Airlines (74%), Finnair (74%), Iberia( 74%).

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

    On average you can expect to pay $1,891 for a flight from Phoenix Sky Harbor Intl Airport to London. The cheapest flight overall is $388 while the most popular route, (Phoenix Sky Harbor Intl - London Heathrow) is currently priced at $489.

  • 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
Southend-on-Sea
Harrow
Canterbury
Croydon
Eastleigh
Dartford
Dover
Winchester
Orpington
Gatwick
Borehamwood
Aylesbury
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Wembley
Folkestone
Chichester
Eastbourne
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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$498Average$915FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$523Average$901FlexibilityNo cancel feeOn-time70%
Virgin AtlanticCheapest$548Average$797FlexibilityNo cancel feeOn-time72%
JetBlueCheapest$555Average$871FlexibilityNo cancel feeOn-time62%
FinnairCheapest$565Average$905FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$566Average$925FlexibilityNo cancel feeOn-time71%
WestJetCheapest$577Average$751FlexibilityNo cancel feeOn-time60%
United AirlinesCheapest$582Average$822FlexibilityNo cancel feeOn-time69%
IberiaCheapest$584Average$1,013FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$604Average$818FlexibilityNo cancel feeOn-time67%

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