HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Heathrow

$365+ 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 7/17. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — LHR
Jul 5 — Jul 121
Sat 7/5
Sat 7/12
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Phoenix 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 to London Heathrow are usually found in January or February, booked 27 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 June 30, 2025.

Round-trip from

$785
(eDestinos)

One-way from

$365
(Mytrip)

Popular in

December

Cheapest in

January

Average price

$1,312
From Phoenix to London Heathrow
Search Deals
One-way flight from Phoenix to London Heathrow
Search Deals
Highest demand for flights based on searches. 1% potential increase in price ($15 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($37 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2025
Search Deals

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 June 30, 2025.

This eDestinos deal was found by Cheapflights users on 6/30. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/318:40 pmPHX - LHR
Nonstop10h 00mIberia
Mon 8/1111:15 amLHR - PHX
Nonstop10h 55mIberia
Deal found 6/30$785
This SWISS deal was found by Cheapflights users on 6/29. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/187:04 amPHX - LHR
2 stops16h 51mSWISS
Mon 9/18:40 amLHR - PHX
2 stops22h 29mSWISS
Deal found 6/29$786
This Cheapflightsfares deal was found by Cheapflights users on 6/28. 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 9/158:40 pmPHX - LHR
Nonstop10h 00mBritish Airways
Mon 9/2911:15 amLHR - PHX
Nonstop11h 00mBritish Airways
Deal found 6/28$787
This JetBlue deal was found by Cheapflights users on 6/29. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/279:59 pmPHX - LHR
1 stop14h 46mJetBlue
Wed 10/18:15 amLHR - PHX
1 stop20h 41mJetBlue
Deal found 6/29$788
This WestJet deal was found by Cheapflights users on 6/28. 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 WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/297:15 pmPHX - LHR
1 stop34h 35mWestJet
Fri 12/52:50 pmLHR - PHX
1 stop14h 32mWestJet
Deal found 6/28$799
This Air Canada deal was found by Cheapflights users on 6/28. 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 9/157:40 amPHX - LHR
1 stop17h 55mMultiple Airlines
Mon 9/298:40 amLHR - PHX
2 stops19h 01mMultiple Airlines
Deal found 6/28$801
This Delta deal was found by Cheapflights users on 6/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/92:52 pmPHX - LHR
1 stop14h 38mDelta
Thu 9/46:15 amLHR - PHX
1 stop14h 35mDelta
Deal found 6/30$806
This Lufthansa deal was found by Cheapflights users on 6/28. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/87:45 amPHX - LHR
1 stop14h 45mLufthansa
Thu 10/26:30 amLHR - PHX
2 stops24h 55mLufthansa
Deal found 6/28$808
This Air Canada deal was found by Cheapflights users on 6/28. 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 7/128:30 pmPHX - LHR
1 stop32h 50mAir Canada
Thu 10/28:30 amLHR - PHX
2 stops18h 49mAir Canada
Deal found 6/28$816
This Finnair deal was found by Cheapflights users on 6/28. 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.
Thu 8/78:40 pmPHX - LHR
Nonstop10h 00mFinnair
Wed 8/1311:15 amLHR - PHX
Nonstop10h 55mFinnair
Deal found 6/28$822

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 June 30, 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

Thu 7/31

8:40 pm-2:40 pm

Nonstop10h 00m

London Heathrow

Mon 8/11

11:15 am-2:10 pm

Nonstop10h 55m

$785

PhoenixLondon

PHX - LHR

PHXLHR

Phoenix Sky Harbor Intl

Mon 8/18

7:04 am-7:55 am

2 stops16h 51m

London Heathrow

Mon 9/1

8:40 am-11:09 pm

2 stops22h 29m

$786

PhoenixLondon

PHX - LHR

PHXLHR

Phoenix Sky Harbor Intl

Mon 9/15

8:40 pm-2:40 pm

Nonstop10h 00m

London Heathrow

Mon 9/29

11:15 am-2:15 pm

Nonstop11h 00m

$787

PhoenixLondon

PHX - LHR

PHXLHR

Phoenix Sky Harbor Intl

Sat 9/27

9:59 pm-8:45 pm

1 stop14h 46m

London Heathrow

Wed 10/1

8:15 am-8:56 pm

1 stop20h 41m

$788

PhoenixLondon

PHX - LHR

PHXLHR

Phoenix Sky Harbor Intl

Sat 11/29

7:15 pm-12:50 pm

1 stop34h 35m

London Heathrow

Fri 12/5

2:50 pm-10:22 pm

1 stop14h 32m

$799

PhoenixLondon

PHX - LHR

PHXLHR

Phoenix Sky Harbor Intl

Mon 9/15

7:40 am-9:35 am

1 stop17h 55m

London Heathrow

Mon 9/29

8:40 am-7:41 pm

2 stops19h 01m

$801

PhoenixLondon

PHX - LHR

PHXLHR

Phoenix Sky Harbor Intl

Sat 7/12

11:59 pm-7:15 am

1 stop23h 16m

London Heathrow

Thu 9/4

6:15 am-12:50 pm

1 stop14h 35m

$806

PhoenixLondon

PHX - LHR

PHXLHR

Phoenix Sky Harbor Intl

Sun 7/13

6:00 am-6:30 am

2 stops16h 30m

London Heathrow

Wed 9/10

3:50 pm-12:28 pm

2 stops28h 38m

$808

PhoenixLondon

PHX - LHR

PHXLHR

Phoenix Sky Harbor Intl

Sun 7/13

11:20 am-10:00 am

2 stops14h 40m

London Heathrow

Thu 10/2

6:30 am-11:25 pm

2 stops24h 55m

$814

PhoenixLondon

PHX - LHR

PHXLHR

Phoenix Sky Harbor Intl

Thu 8/7

8:40 pm-2:40 pm

Nonstop10h 00m

London Heathrow

Wed 8/13

11:15 am-2:10 pm

Nonstop10h 55m

$822

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/30

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 June 27, 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 27 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 $1,098). 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 June 30, 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 June 30, 2025.

The most flights from PH1 to LHR are scheduled on a Monday (8 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (8 on average).

How much does it cost to fly round-trip from Phoenix to London Heathrow Airport?

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 June 30, 2025.
Read through reviews of airlines operating flights from Phoenix to London Heathrow Airport, such as Delta, Finnair, and SWISS. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,969 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,969 reviews
Delta
8.0
Very good
7,969 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Finnair
7.6
Good
1,299 reviews
Delta
8.0
Very good
7,969 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
SWISS
7.5
Good
1,653 reviews
Delta
8.0
Very good
7,969 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,852 reviews
Delta
8.0
Very good
7,969 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
JetBlue
7.3
Good
2,920 reviews
Delta
8.0
Very good
7,969 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

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

    Flying on Iberia is currently your cheapest option to London Heathrow Airport, with prices starting at $785. Additional round-trip tickets that might be worth considering are offered by SWISS and British Airways, with the lowest prices starting at $786 and $787, respectively. Users have found that Iberia is 18% 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 $375 on JetBlue. Other airlines that offer cheap prices include WestJet from $382 and Air Canada from $394 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: Iberia (83%), American Airlines (81%), Finnair( 81%).

  • What are the cheapest flights from Phoenix to London Heathrow Airport?

    While on average a flight from Phoenix to London Heathrow Airport is generally $1,425, our data shows the cheapest flight currently is $331. When looking at the most popular route, (Phoenix Sky Harbor Intl - London Heathrow), you can expect to pay $613 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 $1,098). 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 Phoenix?

Book flights to Phoenix if you plan to visit one of these locations
Hayes
Hounslow
Thornton Heath
Canterbury
Harrow
Dover
Stratford-upon-Avon
Gatwick
Orpington
Watford
Northampton
Croydon
Folkestone
Borehamwood
Broadway
Aylesbury
Chelmsford
Brentwood
Chichester
Swindon

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 June 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$498Average$884FlexibilityNo cancel feeOn-timeN/A
Virgin AtlanticCheapest$548Average$812FlexibilityNo cancel feeOn-time72%
FinnairCheapest$574Average$965FlexibilityNo cancel feeOn-time76%
WestJetCheapest$592Average$751FlexibilityNo cancel feeOn-time60%
JetBlueCheapest$593Average$899FlexibilityNo cancel feeOn-time62%
Air CanadaCheapest$604Average$827FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$618Average$941FlexibilityNo cancel feeOn-time69%
IberiaCheapest$624Average$1,000FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$631Average$982FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$662Average$1,084FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.