Weekly flight availability from Phoenix Sky Harbor Intl Airport to London Heathrow Airport

The most flights from PHX to LHR are scheduled on a Monday (5 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (5 on average).

In terms of precipitation, rainfall in London Heathrow Airport ranges from 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. July is typically the driest time to visit London Heathrow Airport when rainfall is around 1.6 in.

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

What are the most popular airlines that fly from Phoenix Sky Harbor Intl Airport to London Heathrow Airport?

Consider British Airways, American Airlines or Iberia when booking your flight. These represent the most popular airlines when flying from Phoenix Sky Harbor Intl Airport to London Heathrow Airport.

Most accurate provider : When it comes to deals on Phoenix Sky Harbor Intl Airport-London Heathrow Airport flights, users find the pricing of CheapOair to be most consistent on Cheapflights vs. CheapOair Users can find the same prices on Phoenix Sky Harbor Intl Airport-London Heathrow Airport flight deals on Cheapflights vs. CheapOair >95% of the time. Price accuracy is based on data collected from Phoenix Sky Harbor Intl Airport-London Heathrow Airport flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Phoenix Sky Harbor Intl Airport-London Heathrow Airport flights, Cheapflights users trust CheapOair the most. CheapOair has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Phoenix Sky Harbor Intl Airport-London Heathrow Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

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

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

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 Heathrow.

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

Yes. Cheapflights offers flight deals from Sky Harbor Intl 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.

$421+ Flights from Phoenix Sky Harbor Intl Airport to London Heathrow Airport

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Find cheap flights from Sky Harbor Intl to Heathrow with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Phoenix Sky Harbor Intl to London Heathrow are usually found in October or November, booked 10 days in advance, depart on a Wednesday or Tuesday and return on a Wednesday

Cheap flight deals from Sky Harbor Intl to Heathrow

Cheapest flights from Sky Harbor Intl to Heathrow
Explore the most affordable flight options available from Sky Harbor Intl to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 23, 2025.

Wed 12/2410:28 pmPHX - LHR

1 stop25h 27mJetBlue

Wed 1/147:25 amLHR - PHX

1 stop21h 21mJetBlue

Deal found 12/23

$792

Tue 12/303:25 pmPHX - LHR

1 stop23h 15mJetBlue

Tue 1/139:20 amLHR - PHX

1 stop18h 29mJetBlue

Deal found 12/21

$838

Tue 12/2310:28 pmPHX - LHR

1 stop25h 27mJetBlue

Wed 1/147:25 amLHR - PHX

1 stop21h 21mJetBlue

Deal found 12/22

$841

Sun 12/2810:28 pmPHX - LHR

1 stop25h 27mJetBlue

Sun 1/257:45 amLHR - PHX

1 stop21h 06mJetBlue

Deal found 12/21

$846

Sun 12/287:44 pmPHX - LHR

2 stops42h 16mMultiple Airlines

Sun 1/252:50 pmLHR - PHX

1 stop14h 57mMultiple Airlines

Deal found 12/21

$962

Tue 12/3010:28 pmPHX - LHR

1 stop25h 27mJetBlue

Thu 1/812:20 pmLHR - PHX

1 stop17h 29mJetBlue

Deal found 12/22

$974

Mon 12/2210:28 pmPHX - LHR

1 stop25h 27mJetBlue

Wed 1/149:20 amLHR - PHX

1 stop18h 29mJetBlue

Deal found 12/21

$989

Mon 12/2910:28 pmPHX - LHR

1 stop25h 27mJetBlue

Thu 1/89:20 amLHR - PHX

1 stop18h 29mJetBlue

Deal found 12/23

$1,008

Wed 12/246:30 pmPHX - LHR

2 stops35h 20mMultiple Airlines

Wed 1/142:50 pmLHR - PHX

1 stop14h 57mMultiple Airlines

Deal found 12/21

$1,069

Best flights from Sky Harbor Intl to Heathrow
Discover carefully curated flight deals from Sky Harbor Intl to Heathrow that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 23, 2025.

Wed 1/1411:59 pmPHX - LHR

1 stop14h 41mJetBlue

Sat 5/211:55 amLHR - PHX

1 stop18h 40mJetBlue

Deal found 12/22

$725

Wed 1/216:15 amPHX - LHR

3 stops25h 20mScandinavian Airlines

Wed 1/286:40 amLHR - PHX

2 stops23h 00mScandinavian Airlines

Deal found 12/22

$740

Thu 1/2211:59 pmPHX - LHR

1 stop13h 46mJetBlue

Mon 1/269:20 amLHR - PHX

1 stop18h 29mJetBlue

Deal found 12/22

$729

Wed 1/285:00 pmPHX - LHR

3 stops21h 35mScandinavian Airlines

Mon 2/166:40 amLHR - PHX

2 stops22h 35mScandinavian Airlines

Deal found 12/21

$740

Thu 2/1211:59 pmPHX - LHR

1 stop13h 46mJetBlue

Mon 2/2312:20 pmLHR - PHX

1 stop16h 27mJetBlue

Deal found 12/22

$729

Wed 2/181:20 pmPHX - LHR

3 stops25h 00mScandinavian Airlines

Tue 3/36:40 amLHR - PHX

3 stops23h 01mScandinavian Airlines

Deal found 12/21

$751

Thu 3/511:59 pmPHX - LHR

1 stop13h 46mJetBlue

Mon 3/168:05 amLHR - PHX

1 stop19h 33mJetBlue

Deal found 12/22

$739

Fri 1/911:59 pmPHX - LHR

1 stop15h 01mJetBlue

Sun 1/189:20 amLHR - PHX

1 stop18h 29mJetBlue

Deal found 12/21

$739

Tue 3/2411:44 pmPHX - LHR

1 stop14h 56mJetBlue

Mon 3/3011:55 amLHR - PHX

1 stop16h 43mJetBlue

Deal found 12/22

$739

Tue 5/511:30 pmPHX - LHR

1 stop13h 15mJetBlue

Sun 5/248:25 amLHR - PHX

1 stop20h 30mJetBlue

Deal found 12/21

$785

Thu 5/711:30 pmPHX - LHR

1 stop13h 15mJetBlue

Sun 5/248:25 amLHR - PHX

1 stop20h 30mJetBlue

Deal found 12/21

$785

Thu 5/711:30 pmPHX - LHR

1 stop13h 15mJetBlue

Tue 5/268:25 amLHR - PHX

1 stop20h 30mJetBlue

Deal found 12/21

$785

Last-minute flights from Sky Harbor Intl to Heathrow
Discover last-minute flight deals from Sky Harbor Intl to Heathrow. Data last updated December 23, 2025 and is based on user searches.

Sun 1/1111:59 pmPHX - LHR

1 stop13h 46mJetBlue

Mon 1/199:20 amLHR - PHX

1 stop18h 29mJetBlue

Deal found 12/22

$739

Mon 1/126:15 amPHX - LHR

3 stops20h 05mScandinavian Airlines

Tue 1/276:40 amLHR - PHX

2 stops23h 00mScandinavian Airlines

Deal found 12/21

$711

Mon 1/1211:40 amPHX - LHR

1 stop14h 50mJetBlue

Mon 1/199:20 amLHR - PHX

1 stop18h 29mJetBlue

Deal found 12/22

$724

Tue 1/134:32 pmPHX - LHR

2 stops18h 58mScandinavian Airlines

Sat 5/25:00 pmLHR - PHX

2 stops36h 52mScandinavian Airlines

Deal found 12/23

$730

Wed 1/1411:59 pmPHX - LHR

1 stop14h 41mJetBlue

Sat 5/211:55 amLHR - PHX

1 stop18h 40mJetBlue

Deal found 12/22

$725

Sun 1/186:15 amPHX - LHR

2 stops28h 25mScandinavian Airlines

Sat 1/316:40 amLHR - PHX

2 stops23h 00mScandinavian Airlines

Deal found 12/21

$736

Tue 1/206:15 amPHX - LHR

2 stops26h 45mScandinavian Airlines

Tue 1/276:40 amLHR - PHX

3 stops23h 00mScandinavian Airlines

Deal found 12/21

$714

Thu 1/226:15 amPHX - LHR

2 stops32h 25mScandinavian Airlines

Sat 1/316:40 amLHR - PHX

2 stops23h 00mScandinavian Airlines

Deal found 12/22

$718

Thu 1/2211:59 pmPHX - LHR

1 stop13h 46mJetBlue

Mon 1/269:20 amLHR - PHX

1 stop18h 29mJetBlue

Deal found 12/22

$729

Sun 1/258:00 amPHX - LHR

2 stops21h 50mMultiple Airlines

Sat 1/312:50 pmLHR - PHX

1 stop14h 57mMultiple Airlines

Deal found 12/22

$716

Sun 1/258:00 amPHX - LHR

2 stops21h 50mMultiple Airlines

Sun 2/12:50 pmLHR - PHX

1 stop14h 59mMultiple Airlines

Deal found 12/22

$738

One-way flights from Sky Harbor Intl to Heathrow
Search for one-way flight options from Sky Harbor Intl to Heathrow. Find affordable one-way fares based on user searches. Data last updated December 23, 2025.

Fri 2/208:52 amPHX - LHR

3 stops24h 08mMultiple Airlines

Deal found 12/20

$421

Mon 4/1310:13 pmPHX - LHR

3 stops25h 42mMultiple Airlines

Deal found 12/22

$422

Mon 1/122:05 pmPHX - LHR

2 stops39h 45mWestJet

Deal found 12/21

$423

Fri 3/135:00 amPHX - LHR

3 stops29h 30mMultiple Airlines

Deal found 12/21

$426

Sat 3/2110:15 pmPHX - LHR

2 stops26h 50mMultiple Airlines

Deal found 12/21

$436

Tue 5/56:12 amPHX - LHR

3 stops23h 43mMultiple Airlines

Deal found 12/21

$438

Tue 4/146:40 amPHX - LHR

3 stops27h 05mMultiple Airlines

Deal found 12/21

$439

Wed 5/67:20 amPHX - LHR

2 stops22h 35mAer Lingus

Deal found 12/22

$440

Wed 2/1812:31 pmPHX - LHR

2 stops19h 59mMultiple Airlines

Deal found 12/20

$442

Tue 2/173:15 pmPHX - LHR

2 stops18h 45mMultiple Airlines

Deal found 12/20

$446

Thu 3/511:55 amPHX - LHR

1 stop17h 55mWestJet

Deal found 12/21

$449

Find flight deals from Sky Harbor Intl to Heathrow

Most accurate provider	CheapOair 3 stars
Most trusted provider	CheapOair 3 stars
Round-trip from	$711 (Scandinavian Airlines)
One-way from	$421 (Kiwi.com)
Popular in	June
Cheapest in	October
Average price	$1,228
Good round-trip deal	$708 or less
Good one-way deal	$355 or less

Provider with most accurate pricing for Phoenix Sky Harbor Intl-London Heathrow flight deals.

Search Deals

Provider most trusted by Cheapflights users for Phoenix Sky Harbor Intl-London Heathrow flights.

Search Deals

From Phoenix Sky Harbor Intl to London Heathrow

Search Deals

One-way flight from Phoenix Sky Harbor Intl to London Heathrow

Search Deals

Highest demand for flights based on searches. 21% potential increase in price ($248 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($33 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Price to beat on a round-trip flight from Phoenix Sky Harbor Intl to London Heathrow.

Search Deals

Price to beat on a one-way flight from Phoenix Sky Harbor Intl to London Heathrow.

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from Phoenix Sky Harbor Intl Airport to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PhoenixLondon

PHX - LHR

PHXLHR

Phoenix Sky Harbor Intl

Wed 1/14

11:59 pm-9:40 pm

1 stop14h 41m

London Heathrow

Sat 5/2

11:55 am-10:35 pm

1 stop18h 40m

$725

PhoenixLondon

PHX - LHR

PHXLHR

Phoenix Sky Harbor Intl

Thu 1/22

11:59 pm-8:45 pm

1 stop13h 46m

London Heathrow

Mon 1/26

9:20 am-8:49 pm

1 stop18h 29m

$729

PhoenixLondon

PHX - LHR

PHXLHR

Phoenix Sky Harbor Intl

Thu 2/12

11:59 pm-8:45 pm

1 stop13h 46m

London Heathrow

Mon 2/23

12:20 pm-9:47 pm

1 stop16h 27m

$729

PhoenixLondon

PHX - LHR

PHXLHR

Phoenix Sky Harbor Intl

Thu 3/5

11:59 pm-8:45 pm

1 stop13h 46m

London Heathrow

Mon 3/16

8:05 am-8:38 pm

1 stop19h 33m

$739

PhoenixLondon

PHX - LHR

PHXLHR

Phoenix Sky Harbor Intl

Fri 1/9

11:59 pm-10:00 pm

1 stop15h 01m

London Heathrow

Sun 1/18

9:20 am-8:49 pm

1 stop18h 29m

$739

PhoenixLondon

PHX - LHR

PHXLHR

Phoenix Sky Harbor Intl

Tue 3/24

11:44 pm-9:40 pm

1 stop14h 56m

London Heathrow

Mon 3/30

11:55 am-8:38 pm

1 stop16h 43m

$739

PhoenixLondon

PHX - LHR

PHXLHR

Phoenix Sky Harbor Intl

Wed 1/21

6:15 am-2:35 pm

3 stops25h 20m

London Heathrow

Wed 1/28

6:40 am-10:40 pm

2 stops23h 00m

$740

PhoenixLondon

PHX - LHR

PHXLHR

Phoenix Sky Harbor Intl

Wed 1/28

5:00 pm-9:35 pm

3 stops21h 35m

London Heathrow

Mon 2/16

6:40 am-10:15 pm

2 stops22h 35m

$740

PhoenixLondon

PHX - LHR

PHXLHR

Phoenix Sky Harbor Intl

Wed 2/18

1:20 pm-9:20 pm

3 stops25h 00m

London Heathrow

Tue 3/3

6:40 am-10:41 pm

3 stops23h 01m

$751

PhoenixLondon

PHX - LHR

PHXLHR

Phoenix Sky Harbor Intl

Tue 5/5

11:30 pm-8:45 pm

1 stop13h 15m

London Heathrow

Sun 5/24

8:25 am-8:55 pm

1 stop20h 30m

$785

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/20

Showing 1-10 of 22 results

Compare providers for flights from Sky Harbor Intl to Heathrow

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Sky Harbor Intl to Heathrow in December.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star
eDreams	Price Accuracy3 stars	Trust Score*3 stars
AranGrant	Price Accuracy2 stars	Trust Score*3 stars
Ovago	Price Accuracy2 stars	Trust Score*2 stars
Cheapflightsfares	Price Accuracy3 stars	Trust Score*2 stars
Thrive Travel	Price Accuracy3 stars	Trust Score*1 star
CheapOair	Price Accuracy3 stars	Trust Score*3 stars
oojo	Price Accuracy3 stars	Trust Score*3 stars
Trip.com	Price Accuracy2 stars	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Phoenix Sky Harbor Intl Airport-London Heathrow Airport flights, users find the pricing of CheapOair to be most consistent on Cheapflights vs. CheapOair Users can find the same prices on Phoenix Sky Harbor Intl Airport-London Heathrow Airport flight deals on Cheapflights vs. CheapOair >95% of the time. Price accuracy is based on data collected from Phoenix Sky Harbor Intl Airport-London Heathrow Airport flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Phoenix Sky Harbor Intl Airport-London Heathrow Airport flights, Cheapflights users trust CheapOair the most. CheapOair has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Phoenix Sky Harbor Intl Airport-London Heathrow Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

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

Prices

Airlines

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

To ensure you get the cheapest price possible for a flight from Phoenix Sky Harbor Intl Airport to London Heathrow Airport, you should look to book at least 10 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, September is the cheapest month in which you can book a flight from Phoenix Sky Harbor Intl Airport to London Heathrow Airport (average of $503). Flying from Phoenix Sky Harbor Intl Airport to London Heathrow Airport in June is currently the most expensive (average of $901). 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?

When flying from Phoenix Sky Harbor Intl Airport 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 15% versus a flight in the afternoon.

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

Travelers seeking maximum savings on their Phoenix Sky Harbor Intl Airport 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.

The best insider tips for Phoenix Sky Harbor Intl Airport to London Heathrow Airport flights

Cheapflights partnered with top experts to bring you the best recommendations for your Phoenix Sky Harbor Intl Airport to London Heathrow Airport trip

Airports

PHX

PHX offers short security lines, usually under 10 minutes, with live wait times displayed online for Terminal 4 checkpoints.

LHR

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

Our travel experts

Brandon Schultz

Expert on PHX

Ramsey Qubein

Expert on LHR

Reviews of airlines servicing Heathrow

Peruse reviews from past customers who have flown with Finnair, American Airlines, and JetBlue from Phoenix Sky Harbor Intl Airport to London Heathrow Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Finnair

7.6

Good

1,339 reviews

Reviews

1 / 20

6.0

Good

Rowland,Dec 2024

FRA - HEL

Finnair need to get a better system for boarding. Hundreds of passengers all attempting to get their boarding cards and passports checked at the gate and then get onto the aircraft is ridiculous, time consuming and frankly unfair to passengers.

Finnair

7.6

Good

1,339 reviews

Finnair

7.6

Good

1,339 reviews

Reviews

1 / 20

6.0

Good

Rowland,Dec 2024

FRA - HEL

American Airlines

7.2

Good

11,054 reviews

Finnair

7.6

Good

1,339 reviews

Reviews

1 / 20

6.0

Good

Rowland,Dec 2024

FRA - HEL

JetBlue

7.2

Good

2,897 reviews

Finnair

7.6

Good

1,339 reviews

Reviews

1 / 20

6.0

Good

Rowland,Dec 2024

FRA - HEL

Iberia

7.0

Good

3,056 reviews

Finnair

7.6

Good

1,339 reviews

Reviews

1 / 20

6.0

Good

Rowland,Dec 2024

FRA - HEL

British Airways

6.7

Okay

7,605 reviews

Finnair

7.6

Good

1,339 reviews

Reviews

1 / 20

6.0

Good

Rowland,Dec 2024

FRA - HEL

Related info for your journey

How long is the flight from Phoenix Sky Harbor Intl Airport to London Heathrow Airport?
JetBlue can get you from Phoenix Sky Harbor Intl Airport to London Heathrow Airport in just under 14h 41m. Your travel time can differ by up to . There are 5255 mi between Phoenix Sky Harbor Intl Airport and London Heathrow Airport.
What are the cheapest airlines flying from Phoenix Sky Harbor Intl Airport to London Heathrow Airport round-trip?
Our cheapest airline available from Phoenix Sky Harbor Intl Airport to London Heathrow Airport is British Airways. Our recent data shows that you can find tickets from as low as $514 on this airline. Additional options worth looking into are American Airlines and Scandinavian Airlines, starting at $531 and $533 round-trip. Users have found that British Airways is 44% cheaper than the other options available to this destination.
What are the cheapest airlines to fly from Phoenix Sky Harbor Intl Airport to London Heathrow Airport one-way?
The cheapest airlines for a one-way flight from Phoenix Sky Harbor Intl Airport to London Heathrow Airport are WestJet ($219), JetBlue ($280), and United Airlines ($398).
What are the most reliable airlines from Phoenix Sky Harbor Intl Airport to London Heathrow Airport?
The top 3 most reliable airlines when flying from Phoenix Sky Harbor Intl Airport to London Heathrow Airport are American Airlines (67%), Finnair (67%) and Iberia (67%).
What are the cheapest flights from Phoenix Sky Harbor Intl Airport to London Heathrow Airport?
Looking for the cheapest flight from Phoenix Sky Harbor Intl Airport to London Heathrow Airport? While on average our users pay $1,077, our data indicates the cheapest price to be $248. The most popular route (Phoenix Sky Harbor Intl - London Heathrow), is priced around $612.
Can I find deals for flights from Sky Harbor Intl to Heathrow that include hotel bookings?
Yes. In addition to deals on Sky Harbor Intl to Heathrow flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Sky Harbor Intl to Heathrow?
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 Heathrow.
Can I find deals for business class flights from Sky Harbor Intl to Heathrow?
Yes. Cheapflights offers flight deals from Sky Harbor Intl 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 Sky Harbor Intl Airport to London Heathrow Airport?
Currently, September is the cheapest month in which you can book a flight from Phoenix Sky Harbor Intl Airport to London Heathrow Airport (average of $503). Flying from Phoenix Sky Harbor Intl Airport to London Heathrow Airport in June is currently the most expensive (average of $901). 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.

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Top 10 airlines flying from Sky Harbor Intl to Heathrow

Airline	Cheapest	Average	Flexibility	On-time
British Airways	Cheapest$515	Average$892	FlexibilityNo cancel fee	On-time70%
American Airlines	Cheapest$532	Average$938	FlexibilityNo cancel fee	On-time71%
Scandinavian Airlines	Cheapest$533	Average$687	FlexibilityNo cancel fee	On-time77%
Virgin Atlantic	Cheapest$537	Average$783	FlexibilityNo cancel fee	On-time72%
JetBlue	Cheapest$551	Average$872	FlexibilityNo cancel fee	On-time62%
Iberia	Cheapest$564	Average$1,019	FlexibilityNo cancel fee	On-time77%
Finnair	Cheapest$565	Average$900	FlexibilityNo cancel fee	On-time76%
Delta	Cheapest$580	Average$964	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$581	Average$828	FlexibilityNo cancel fee	On-time69%
WestJet	Cheapest$598	Average$779	FlexibilityNo cancel fee	On-time60%

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$421+ Cheap flights from Sky Harbor Intl (PHX) 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 2/20. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Sky Harbor Intl to Heathrow with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Phoenix Sky Harbor Intl to London Heathrow are usually found in October or November, booked 10 days in advance, depart on a Wednesday or Tuesday and return on a Wednesday

Cheap flight deals from Sky Harbor Intl to Heathrow

Cheapest flights from Sky Harbor Intl to HeathrowExplore the most affordable flight options available from Sky Harbor Intl to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 23, 2025.

Explore the most affordable flight options available from Sky Harbor Intl to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 23, 2025.

Find flight deals from Sky Harbor Intl to Heathrow

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Cheapflights Fare Finder

Use the filters below to find and compare flights from Phoenix Sky Harbor Intl Airport to London Heathrow Airport that are best for you.

Compare providers for flights from Sky Harbor Intl to Heathrow

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Sky Harbor Intl to Heathrow in December.

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

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Sky Harbor Intl with our price prediction graph.

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Everything you need to know about your flight from Phoenix Sky Harbor Intl Airport to London Heathrow Airport

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Weekly flight availability from Phoenix Sky Harbor Intl Airport to London Heathrow Airport

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Related info for your journey

Find useful and relevant information for your journey from Sky Harbor Intl 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 Sky Harbor Intl Airport to London Heathrow Airport?

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

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

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

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

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

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

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

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Top 10 airlines flying from Sky Harbor Intl to Heathrow

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Cheapest flights from Sky Harbor Intl to Heathrow
Explore the most affordable flight options available from Sky Harbor Intl to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 23, 2025.