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$338+ Cheap flights from Phoenix to Heathrow (LHR)

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 10/28. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — LHR
Oct 31 — Nov 71
Fri 10/31
Fri 11/7
1 adult, Economy
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Cheapflights Tip: The best prices from Phoenix to London Heathrow are usually found in October or February, booked 10 days in advance, depart on a Wednesday or Tuesday and return on a Wednesday

Cheap flight deals from Phoenix to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Phoenix (PH1) to Heathrow (LHR). 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 October 1, 2025.

Round-trip from

$563
(CrystalTravel)

One-way from

$338
(Kiwi.com)

Popular in

June

Cheapest in

October

Average price

$717
From Phoenix to London Heathrow
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One-way flight from Phoenix to London Heathrow
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Highest demand for flights based on searches. 21% potential increase in price ($257 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($35 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find flight deals from Phoenix to Heathrow

Cheapest flights from Phoenix to Heathrow
Explore the most affordable flight options available from Phoenix to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 1, 2025.

This CrystalTravel deal was found by Cheapflights users on 9/29. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/274:40 pmPHX - LHR
2 stops18h 50mScandinavian Airlines
Mon 11/36:40 amLHR - PHX
2 stops24h 54mScandinavian Airlines
Deal found 9/29$563
This CrystalTravel deal was found by Cheapflights users on 9/30. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/101:12 pmPHX - LHR
2 stops21h 28mScandinavian Airlines
Sun 11/1610:20 amLHR - PHX
2 stops21h 07mScandinavian Airlines
Deal found 9/30$566
This CrystalTravel deal was found by Cheapflights users on 9/30. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/31:11 pmPHX - LHR
2 stops21h 29mScandinavian Airlines
Sun 11/1610:20 amLHR - PHX
2 stops21h 07mScandinavian Airlines
Deal found 9/30$568
This FlightHub deal was found by Cheapflights users on 9/29. 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.
Mon 11/101:12 pmPHX - LHR
2 stops21h 28mScandinavian Airlines
Thu 11/206:40 amLHR - PHX
2 stops24h 47mScandinavian Airlines
Deal found 9/29$580
This Ticket deal was found by Cheapflights users on 9/30. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/141:28 pmPHX - LHR
2 stops19h 32mScandinavian Airlines
Fri 11/2110:20 amLHR - PHX
2 stops21h 07mScandinavian Airlines
Deal found 9/30$584
This lastminute.com deal was found by Cheapflights users on 9/29. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/131:12 pmPHX - LHR
2 stops21h 28mScandinavian Airlines
Thu 11/2010:20 amLHR - PHX
2 stops21h 07mScandinavian Airlines
Deal found 9/29$588
This Scandinavian Airlines deal was found by Cheapflights users on 9/30. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/101:12 pmPHX - LHR
2 stops21h 28mScandinavian Airlines
Fri 11/146:40 amLHR - PHX
2 stops24h 47mScandinavian Airlines
Deal found 9/30$602
This Scandinavian Airlines deal was found by Cheapflights users on 9/30. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/31:11 pmPHX - LHR
2 stops22h 19mScandinavian Airlines
Fri 11/77:05 amLHR - PHX
3 stops23h 53mScandinavian Airlines
Deal found 9/30$606

Cheapflights Fare Finder

 
Customize your flight search to find flights from Phoenix to Heathrow 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 October 1, 2025.
Use the filters below to find and compare flights from Phoenix to London Heathrow Airport that are best for you.

Fly from

Phoenix

Fly to

Heathrow

Route

Depart

Return

Price

PhoenixLondon

PHX - LHR

PHXLHR

Phoenix Sky Harbor Intl

Mon 11/3

1:11 pm-9:40 pm

2 stops25h 29m

London Heathrow

Fri 11/7

7:05 am-11:58 pm

3 stops23h 53m

$606

PhoenixLondon

PHX - LHR

PHXLHR

Phoenix Sky Harbor Intl

Thu 11/27

1:12 pm-6:30 pm

2 stops22h 18m

London Heathrow

Wed 12/10

7:05 am-12:31 am

3 stops24h 26m

$606

PhoenixLondon

PHX - LHR

PHXLHR

Phoenix Sky Harbor Intl

Mon 11/10

1:12 pm-6:30 pm

2 stops22h 18m

London Heathrow

Sun 11/16

6:40 am-12:27 am

3 stops24h 47m

$606

PhoenixLondon

PHX - LHR

PHXLHR

Phoenix Sky Harbor Intl

Tue 11/4

7:00 am-4:00 pm

3 stops26h 00m

London Heathrow

Sat 11/8

6:40 am-9:00 pm

2 stops21h 20m

$607

PhoenixLondon

PHX - LHR

PHXLHR

Phoenix Sky Harbor Intl

Tue 11/4

7:00 am-4:00 pm

3 stops26h 00m

London Heathrow

Tue 11/25

10:20 am-12:27 am

2 stops21h 07m

$608

PhoenixLondon

PHX - LHR

PHXLHR

Phoenix Sky Harbor Intl

Mon 2/2

5:10 pm-9:40 pm

2 stops21h 30m

London Heathrow

Tue 3/31

6:40 am-11:16 pm

2 stops24h 36m

$632

PhoenixLondon

PHX - LHR

PHXLHR

Phoenix Sky Harbor Intl

Tue 11/11

6:35 am-6:30 pm

2 stops28h 55m

London Heathrow

Tue 11/18

10:20 am-12:27 am

2 stops21h 07m

$632

PhoenixLondon

PHX - LHR

PHXLHR

Phoenix Sky Harbor Intl

Fri 3/20

12:05 pm-4:00 pm

2 stops20h 55m

London Heathrow

Tue 3/24

7:05 am-9:52 pm

3 stops21h 47m

$726

PhoenixLondon

PHX - LHR

PHXLHR

Phoenix Sky Harbor Intl

Thu 1/15

6:00 am-6:30 pm

2 stops29h 30m

London Heathrow

Sun 1/18

6:40 am-10:52 pm

3 stops23h 12m

$726

PhoenixLondon

PHX - LHR

PHXLHR

Phoenix Sky Harbor Intl

Mon 11/24

11:43 am-6:30 pm

2 stops23h 47m

London Heathrow

Mon 12/8

7:05 am-12:31 am

3 stops24h 26m

$726

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/29

Showing 1-10 of 20 results
1
2

Best time to book a flight from Phoenix to Heathrow

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

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

Use this chart to determine the optimal time to book a round-trip flight from Phoenix to Heathrow. Price data was last updated on September 26, 2025.

The price you pay for your flight from Phoenix to London Heathrow Airport may vary depending on when you book. For the best chance of a lower fare, look to book 10 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, November is the cheapest month in which you can book a flight from Phoenix to London Heathrow Airport (average of $661). Flying from Phoenix to London Heathrow Airport in June is currently the most expensive (average of $1,096). 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 LHR?

Find hourly flight availability from Phoenix to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 1, 2025.

When flying from Phoenix to London Heathrow Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 16% versus a flight in the afternoon.

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

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

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

Weekly flight availability from Phoenix to London Heathrow Airport

Explore weekly flight availability from Phoenix to Heathrow. 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 October 1, 2025.

The most flights from PH1 to LHR 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 Heathrow

Get insights into the airlines that provide service to Heathrow. 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 Heathrow. Reviews last updated October 1, 2025.
Read through reviews of airlines operating flights from Phoenix to London Heathrow Airport, such as Finnair, American Airlines, and JetBlue. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Finnair
7.6
Good
1,332 reviews

Crew

8.1

Overall

7.6

Food

6.7

Comfort

7.4

Boarding

7.6

Entertainment

6.9

Reviews

1 / 20
4.0
Okay

Anonymous,Sep 2025

WAW - HEL

My flight to Europe was cancelled and rebooked. Bags got lost by FinnAir. Flight back home from Europe was cancelled the very next day after we landed. Zero compensation for these back to back cancellations on the exact same trip. Kayak doesn’t help with flight cancellation before trips says to contact trip protection only for trip protection to say it’s up to kayak. Don’t fly FinnAir.
Finnair
7.6
Good
1,332 reviews
Finnair
7.6
Good
1,332 reviews

Crew

8.1

Overall

7.6

Food

6.7

Comfort

7.4

Boarding

7.6

Entertainment

6.9

Reviews

1 / 20
4.0
Okay

Anonymous,Sep 2025

WAW - HEL

My flight to Europe was cancelled and rebooked. Bags got lost by FinnAir. Flight back home from Europe was cancelled the very next day after we landed. Zero compensation for these back to back cancellations on the exact same trip. Kayak doesn’t help with flight cancellation before trips says to contact trip protection only for trip protection to say it’s up to kayak. Don’t fly FinnAir.
American Airlines
7.2
Good
11,030 reviews
Finnair
7.6
Good
1,332 reviews

Crew

8.1

Overall

7.6

Food

6.7

Comfort

7.4

Boarding

7.6

Entertainment

6.9

Reviews

1 / 20
4.0
Okay

Anonymous,Sep 2025

WAW - HEL

My flight to Europe was cancelled and rebooked. Bags got lost by FinnAir. Flight back home from Europe was cancelled the very next day after we landed. Zero compensation for these back to back cancellations on the exact same trip. Kayak doesn’t help with flight cancellation before trips says to contact trip protection only for trip protection to say it’s up to kayak. Don’t fly FinnAir.
JetBlue
7.2
Good
2,912 reviews
Finnair
7.6
Good
1,332 reviews

Crew

8.1

Overall

7.6

Food

6.7

Comfort

7.4

Boarding

7.6

Entertainment

6.9

Reviews

1 / 20
4.0
Okay

Anonymous,Sep 2025

WAW - HEL

My flight to Europe was cancelled and rebooked. Bags got lost by FinnAir. Flight back home from Europe was cancelled the very next day after we landed. Zero compensation for these back to back cancellations on the exact same trip. Kayak doesn’t help with flight cancellation before trips says to contact trip protection only for trip protection to say it’s up to kayak. Don’t fly FinnAir.
Iberia
7.0
Good
2,966 reviews
Finnair
7.6
Good
1,332 reviews

Crew

8.1

Overall

7.6

Food

6.7

Comfort

7.4

Boarding

7.6

Entertainment

6.9

Reviews

1 / 20
4.0
Okay

Anonymous,Sep 2025

WAW - HEL

My flight to Europe was cancelled and rebooked. Bags got lost by FinnAir. Flight back home from Europe was cancelled the very next day after we landed. Zero compensation for these back to back cancellations on the exact same trip. Kayak doesn’t help with flight cancellation before trips says to contact trip protection only for trip protection to say it’s up to kayak. Don’t fly FinnAir.
British Airways
6.7
Okay
7,413 reviews
Finnair
7.6
Good
1,332 reviews

Crew

8.1

Overall

7.6

Food

6.7

Comfort

7.4

Boarding

7.6

Entertainment

6.9

Reviews

1 / 20
4.0
Okay

Anonymous,Sep 2025

WAW - HEL

My flight to Europe was cancelled and rebooked. Bags got lost by FinnAir. Flight back home from Europe was cancelled the very next day after we landed. Zero compensation for these back to back cancellations on the exact same trip. Kayak doesn’t help with flight cancellation before trips says to contact trip protection only for trip protection to say it’s up to kayak. Don’t fly FinnAir.

Related info for your journey

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

    For as low as $606, Scandinavian Airlines can have you in London Heathrow Airport from Phoenix in 25h 29m. The distance from Phoenix to London Heathrow Airport is about 5255 mi.

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

    Flying on Delta is currently your cheapest option to London Heathrow Airport, with prices starting at $498. Additional round-trip tickets that might be worth considering are offered by British Airways and American Airlines, with the lowest prices starting at $517 and $534, respectively. Users have found that Delta is 45% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Phoenix to London Heathrow Airport one-way?

    One-way options have recently been found by users for as low as $343 on Scandinavian Airlines. Other airlines that offer cheap prices include JetBlue from $349 and WestJet from $363 one-way.

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

    Before booking your flight to London Heathrow Airport from Phoenix, 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 to London Heathrow Airport?

    While on average a flight from Phoenix to London Heathrow Airport is generally $1,881, our data shows the cheapest flight currently is $388. When looking at the most popular route, (Phoenix Sky Harbor Intl - London Heathrow), you can expect to pay $565 for that flight.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Phoenix to Heathrow 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 Heathrow Airport?

    Currently, November is the cheapest month in which you can book a flight from Phoenix to London Heathrow Airport (average of $661). Flying from Phoenix to London Heathrow Airport in June is currently the most expensive (average of $1,096). 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 Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Hounslow
Hayes
Ilford
Southend-on-Sea
Harrow
Canterbury
Croydon
Eastleigh
Dartford
Dover
Winchester
Orpington
Northampton
Gatwick
Borehamwood
Broadway
Aylesbury
Bedford
Chipping Norton
Wembley

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 Heathrow

Discover the top 10 airlines that operate flights from Phoenix to Heathrow. 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 October 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$498Average$964FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$517Average$902FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$534Average$978FlexibilityNo cancel feeOn-time71%
Virgin AtlanticCheapest$537Average$790FlexibilityNo cancel feeOn-time72%
JetBlueCheapest$551Average$879FlexibilityNo cancel feeOn-time62%
FinnairCheapest$565Average$902FlexibilityNo cancel feeOn-time76%
IberiaCheapest$570Average$1,041FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$581Average$822FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$583Average$808FlexibilityNo cancel feeOn-time67%
WestJetCheapest$592Average$751FlexibilityNo cancel feeOn-time60%

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