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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 6/6. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — LHR
Apr 8 — Apr 151
Tue 4/8
Tue 4/15
1 adult, Economy
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Cheapflights Tip: The best prices from Phoenix to London Heathrow are usually found in February or January, booked 37 days in advance, depart on a Tuesday or Wednesday and return on a Sunday

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 April 3, 2025.

Round-trip from

$704
(CheapOair)

One-way from

$338
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$798
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 ($258 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($34 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 3, 2025.

This CheapOair deal was found by Cheapflights users on 4/3. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/612:45 amPHX - LHR
1 stop23h 10mBritish Airways
Wed 5/143:40 pmLHR - PHX
Nonstop10h 50mBritish Airways
Deal found 4/3$704
This Cheapflightsfares deal was found by Cheapflights users on 4/2. 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 11/248:30 pmPHX - LHR
Nonstop9h 50mIberia
Thu 12/42:30 pmLHR - PHX
Nonstop10h 55mIberia
Deal found 4/2$705
This Delta deal was found by Cheapflights users on 4/2. 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 9/176:25 amPHX - LHR
1 stop18h 30mDelta
Wed 9/246:30 amLHR - PHX
2 stops16h 57mDelta
Deal found 4/2$706
This Air Canada deal was found by Cheapflights users on 4/2. 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.
Fri 5/28:00 amPHX - LHR
2 stops19h 50mAir Canada
Fri 5/98:40 amLHR - PHX
2 stops18h 50mAir Canada
Deal found 4/2$709
This United deal was found by Cheapflights users on 4/1. 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 4/86:00 amPHX - LHR
2 stops16h 55mUnited Airlines
Sun 4/139:30 amLHR - PHX
2 stops42h 27mUnited Airlines
Deal found 4/1$713
This Air France deal was found by Cheapflights users on 4/2. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/23:00 pmPHX - LHR
1 stop14h 30mAir France
Fri 5/96:15 amLHR - PHX
1 stop14h 35mAir France
Deal found 4/2$716
This Mytrip deal was found by Cheapflights users on 4/2. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/231:42 pmPHX - LHR
3 stops32h 48mMultiple Airlines
Sun 4/272:05 pmLHR - PHX
2 stops29h 55mMultiple Airlines
Deal found 4/2$717
This JetBlue deal was found by Cheapflights users on 4/2. 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 5/39:48 pmPHX - LHR
1 stop14h 57mJetBlue
Thu 5/88:15 amLHR - PHX
1 stop20h 29mJetBlue
Deal found 4/2$723
This Virgin Atlantic deal was found by Cheapflights users on 4/1. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/1910:35 pmPHX - LHR
1 stop13h 25mVirgin Atlantic
Tue 5/276:15 amLHR - PHX
1 stop14h 35mVirgin Atlantic
Deal found 4/1$735
This American Airlines deal was found by Cheapflights users on 4/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/215:02 pmPHX - LHR
1 stop13h 33mAmerican Airlines
Sun 5/113:40 pmLHR - PHX
Nonstop10h 50mAmerican Airlines
Deal found 4/2$763
This Scandinavian Airlines deal was found by Cheapflights users on 4/2. 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.
Sat 5/37:05 amPHX - LHR
2 stops27h 25mScandinavian Airlines
Thu 5/87:05 amLHR - PHX
2 stops24h 21mScandinavian Airlines
Deal found 4/2$764
This KLM deal was found by Cheapflights users on 4/2. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/141:55 pmPHX - LHR
1 stop16h 20mKLM
Sun 10/53:15 pmLHR - PHX
1 stop16h 22mKLM
Deal found 4/2$770

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 April 3, 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

Tue 5/6

12:45 am-7:55 am

1 stop23h 10m

London Heathrow

Wed 5/14

3:40 pm-6:30 pm

Nonstop10h 50m

$704

PhoenixLondon

PHX - LHR

PHXLHR

Phoenix Sky Harbor Intl

Wed 9/17

6:25 am-8:55 am

1 stop18h 30m

London Heathrow

Wed 9/24

6:30 am-3:27 pm

2 stops16h 57m

$706

PhoenixLondon

PHX - LHR

PHXLHR

Phoenix Sky Harbor Intl

Fri 5/2

8:00 am-11:50 am

2 stops19h 50m

London Heathrow

Fri 5/9

8:40 am-7:30 pm

2 stops18h 50m

$709

PhoenixLondon

PHX - LHR

PHXLHR

Phoenix Sky Harbor Intl

Sun 4/20

12:00 pm-9:40 am

1 stop13h 40m

London Heathrow

Sat 5/10

2:05 pm-11:31 am

2 stops29h 26m

$713

PhoenixLondon

PHX - LHR

PHXLHR

Phoenix Sky Harbor Intl

Fri 5/2

3:00 pm-1:30 pm

1 stop14h 30m

London Heathrow

Fri 5/9

6:15 am-12:50 pm

1 stop14h 35m

$716

PhoenixLondon

PHX - LHR

PHXLHR

Phoenix Sky Harbor Intl

Wed 4/23

1:42 pm-6:30 am

3 stops32h 48m

London Heathrow

Sun 4/27

2:05 pm-12:00 pm

2 stops29h 55m

$717

PhoenixLondon

PHX - LHR

PHXLHR

Phoenix Sky Harbor Intl

Sat 5/3

9:48 pm-8:45 pm

1 stop14h 57m

London Heathrow

Thu 5/8

8:15 am-8:44 pm

1 stop20h 29m

$723

PhoenixLondon

PHX - LHR

PHXLHR

Phoenix Sky Harbor Intl

Mon 5/19

10:35 pm-8:00 pm

1 stop13h 25m

London Heathrow

Tue 5/27

6:15 am-12:50 pm

1 stop14h 35m

$735

PhoenixLondon

PHX - LHR

PHXLHR

Phoenix Sky Harbor Intl

Thu 4/24

12:17 pm-10:20 am

1 stop14h 03m

London Heathrow

Sat 5/10

11:15 am-2:20 pm

Nonstop11h 05m

$761

PhoenixLondon

PHX - LHR

PHXLHR

Phoenix Sky Harbor Intl

Mon 4/21

5:02 pm-2:35 pm

1 stop13h 33m

London Heathrow

Sun 5/11

3:40 pm-6:30 pm

Nonstop10h 50m

$763

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/2

Showing 1-10 of 26 results
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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 March 28, 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 37 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 $1,110). 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 April 3, 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 15% 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.

Rainfall in Heathrow by month

Plan your trip to Heathrow by taking into account the average rainfall totals by month.

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.

Temperature in Heathrow by month

Plan your trip to Heathrow by taking into account the average temperature totals by month.

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).

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 April 3, 2025.
Read reviews from past customers who have flown Delta, KLM and Finnair from Phoenix to London. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,897 reviews

Boarding

8.2

Overall

8.0

Crew

8.5

Entertainment

7.9

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,897 reviews
Delta
8.0
Very good
7,897 reviews

Boarding

8.2

Overall

8.0

Crew

8.5

Entertainment

7.9

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,323 reviews
Delta
8.0
Very good
7,897 reviews

Boarding

8.2

Overall

8.0

Crew

8.5

Entertainment

7.9

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Finnair
7.6
Good
1,267 reviews
Delta
8.0
Very good
7,897 reviews

Boarding

8.2

Overall

8.0

Crew

8.5

Entertainment

7.9

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air France
7.4
Good
1,427 reviews
Delta
8.0
Very good
7,897 reviews

Boarding

8.2

Overall

8.0

Crew

8.5

Entertainment

7.9

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,619 reviews
Delta
8.0
Very good
7,897 reviews

Boarding

8.2

Overall

8.0

Crew

8.5

Entertainment

7.9

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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 British Airways is currently your cheapest option to London Heathrow Airport, with prices starting at $704. Additional round-trip tickets that might be worth considering are offered by Delta and Air Canada, with the lowest prices starting at $706 and $709, respectively. Users have found that British Airways is 25% 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 $364 on JetBlue. Other airlines that offer cheap prices include WestJet from $367 and Air Canada from $435 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 (67%), American Airlines (66%), Finnair( 66%).

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

    While on average a flight from Phoenix to London Heathrow Airport is generally $2,378, our data shows the cheapest flight currently is $442. When looking at the most popular route, (Phoenix Sky Harbor Intl - London Heathrow), you can expect to pay $645 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 $1,110). 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?

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Browse thousands of different options on Cheapflights for your next trip

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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 April 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$498Average$641FlexibilityNo cancel feeOn-time75%
Virgin AtlanticCheapest$548Average$1,000FlexibilityNo cancel feeOn-time72%
WestJetCheapest$592Average$777FlexibilityNo cancel feeOn-time60%
DeltaCheapest$594Average$939FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$598Average$903FlexibilityNo cancel feeOn-time62%
FinnairCheapest$604Average$981FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$618Average$1,010FlexibilityNo cancel feeOn-time69%
IberiaCheapest$638Average$964FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$652Average$1,028FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$661Average$1,074FlexibilityNo cancel feeOn-time71%

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