Cheap flights from Phoenix Sky Harbor Intl Airport to London Heathrow Airport from £243
This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 30/9. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — LHR
4 Oct — 11 Oct1
Return
1 adult
Economy
Return
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Phoenix Sky Harbor Intl to London Heathrow are usually found in November or January, booked 83 days in advance, depart on a Monday or Tuesday and return on a Monday
Cheap flight deals from Sky Harbor Intl to Heathrow
Enter your travel dates to find the best prices.
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One-way
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 4 September 2026.
Thu 3/1220:40 -
Nonstop9h 55m
Thu 17/1214:35 -
Nonstop11h 00m
Deal found 4/9£705
Sat 3/1016:10 -
Nonstop10h 20m
Mon 19/1010:05 -
Nonstop10h 55m
Deal found 4/9£706
Wed 21/1008:00 -
1 stop20h 05m
Tue 17/1106:30 -
2 stops18h 32m
Deal found 2/9£707
Sat 7/1118:00 -
1 stop35h 50m
Mon 16/1112:15 -
3 stops30h 50m
Deal found 3/9£708
Wed 16/1211:32 -
1 stop17h 03m
Wed 30/1210:55 -
1 stop15h 56m
Deal found 31/8£708
Thu 19/1111:30 -
1 stop22h 00m
Tue 1/1217:35 -
1 stop27h 20m
Deal found 31/8£709
Sun 18/1013:15 -
1 stop14h 50m
Wed 18/1106:30 -
2 stops18h 32m
Deal found 31/8£711
Tue 29/912:00 -
1 stop12h 35m
Tue 13/1020:05 -
2 stops35h 10m
Deal found 31/8£711
Sat 12/1223:35 -
1 stop25h 15m
Wed 30/1211:20 -
1 stop14h 39m
Deal found 31/8£712
Sun 18/1012:00 -
2 stops21h 40m
Fri 30/1006:35 -
2 stops19h 20m
Deal found 1/9£713
Sat 19/910:57 -
1 stop12h 13m
Sat 3/1006:15 -
1 stop14h 55m
Deal found 1/9£713
Sat 12/912:08 -
1 stop14h 07m
Sat 19/906:15 -
1 stop14h 55m
Deal found 31/8£714
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 stopovers in mind to ensure you get the best travel experience. Data last updated 4 September 2026.
Tue 29/913:20 -
2 stops15h 45m
Wed 7/1011:45 -
2 stops17h 30m
Deal found 30/8£718
Sat 2/119:45 -
1 stop30h 55m
Sat 16/112:00 -
1 stop16h 05m
Deal found 1/9£726
Mon 1/317:10 -
3 stops21h 25m
Sat 6/306:40 -
2 stops22h 21m
Deal found 3/9£780
Thu 17/912:08 -
1 stop18h 47m
Sun 20/909:55 -
1 stop21h 43m
Deal found 4/9£736
Mon 1/217:10 -
3 stops21h 25m
Wed 10/206:40 -
2 stops24h 26m
Deal found 1/9£780
Fri 25/922:40 -
1 stop13h 30m
Sat 10/1012:50 -
1 stop15h 55m
Deal found 31/8£738
Wed 17/213:10 -
2 stops21h 30m
Mon 22/206:40 -
3 stops23h 12m
Deal found 2/9£783
Thu 22/1019:39 -
1 stop13h 56m
Sun 15/1110:55 -
1 stop15h 50m
Deal found 31/8£738
Wed 23/1223:50 -
1 stop13h 20m
Fri 1/109:50 -
1 stop18h 23m
Deal found 1/9£800
Thu 17/912:08 -
1 stop14h 07m
Wed 23/906:30 -
2 stops18h 05m
Deal found 3/9£847
Direct flights from Sky Harbor Intl to Heathrow
Explore direct flight options from Sky Harbor Intl to Heathrow based on user searches, and compare prices and availability for your desired travel dates. Data last updated 4 September 2026.
Thu 3/1220:40 -
Nonstop9h 55m
Thu 17/1214:35 -
Nonstop11h 00m
Deal found 4/9£705
Sat 3/1016:10 -
Nonstop10h 20m
Mon 19/1010:05 -
Nonstop10h 55m
Deal found 4/9£706
Wed 2/1219:20 -
Nonstop9h 55m
Wed 16/1213:15 -
Nonstop11h 00m
Deal found 4/9£708
Fri 15/120:40 -
Nonstop9h 55m
Thu 21/114:35 -
Nonstop11h 00m
Deal found 1/9£711
Sun 4/1021:10 -
Nonstop9h 55m
Tue 20/1016:10 -
Nonstop10h 55m
Deal found 2/9£713
Tue 1/1220:40 -
Nonstop9h 55m
Tue 15/1214:35 -
Nonstop11h 00m
Deal found 4/9£714
Wed 14/1021:10 -
Nonstop9h 55m
Wed 28/1013:15 -
Nonstop11h 00m
Deal found 31/8£715
Thu 22/1021:10 -
Nonstop9h 55m
Thu 29/1014:35 -
Nonstop11h 00m
Deal found 2/9£716
Wed 21/1021:10 -
Nonstop9h 55m
Tue 17/1113:15 -
Nonstop11h 00m
Deal found 2/9£719
Mon 28/921:05 -
Nonstop10h 00m
Tue 13/1010:05 -
Nonstop10h 55m
Deal found 31/8£719
Mon 28/916:10 -
Nonstop10h 20m
Tue 13/1010:05 -
Nonstop10h 55m
Deal found 31/8£722
Last-minute flights from Sky Harbor Intl to Heathrow
Discover last-minute flight deals from Sky Harbor Intl to Heathrow. Data last updated 4 September 2026 and is based on user searches.
Thu 10/911:37 -
1 stop13h 13m
Mon 21/906:30 -
2 stops17h 28m
Deal found 1/9£716
Thu 10/911:31 -
1 stop19h 34m
Sun 27/917:00 -
1 stop14h 44m
Deal found 4/9£723
Thu 10/916:10 -
Nonstop10h 20m
Sun 27/912:00 -
1 stop15h 35m
Deal found 4/9£733
Thu 10/914:00 -
1 stop15h 05m
Sun 13/911:40 -
1 stop19h 56m
Deal found 3/9£735
Fri 11/912:08 -
2 stops16h 57m
Sun 20/906:15 -
1 stop14h 55m
Deal found 30/8£718
Sat 12/912:08 -
1 stop14h 07m
Sat 19/906:15 -
1 stop14h 55m
Deal found 31/8£714
Sat 12/911:51 -
1 stop17h 14m
Sun 20/908:20 -
1 stop22h 44m
Deal found 4/9£736
Sun 13/912:15 -
1 stop12h 50m
Tue 29/910:05 -
Nonstop11h 00m
Deal found 3/9£736
Mon 14/913:15 -
3 stops33h 15m
Sun 20/908:30 -
2 stops21h 05m
Deal found 3/9£725
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 4 September 2026.
Wed 9/916:00 -
1 stop15h 00m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 31/8£243
Sat 10/1015:59 -
2 stops30h 21m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 31/8£244
Tue 27/1023:59 -
1 stop23h 56m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 30/8£245
Sun 10/120:40 -
Nonstop9h 55m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 31/8£245
Fri 27/1120:40 -
2 stops33h 10m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 31/8£246
Tue 1/1220:40 -
Nonstop9h 55m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 31/8£248
Fri 27/1118:00 -
1 stop35h 50m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 31/8£248
Thu 22/1023:59 -
1 stop22h 31m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 31/8£251
Fri 2/1013:32 -
1 stop23h 13m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 31/8£251
Thu 10/1219:55 -
3 stops33h 55m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 1/9£252
Tue 29/1208:20 -
2 stops20h 00m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 31/8£255
Sun 29/1113:45 -
2 stops34h 25m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 31/8£257
Find flight deals from Sky Harbor Intl to Heathrow
Discover tips and strategies to find the most affordable flight options for your journey from Sky Harbor Intl (PHX) 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 4 September 2026.
Customise your flight search to find flights from Sky Harbor Intl 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 7,457,451 searches. Data last updated 4 September 2026.
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
Cheapest return flight
PhoenixLondon
PHX Phoenix Sky Harbor Intl - LHR London Heathrow
PHXLHR
Phoenix Sky Harbor Intl
Wed 30/9
10:37-10:20
2 stops15h 43m
London Heathrow
Wed 31/12
00:00-16:00
Nonstop0h 00m
£243
PhoenixLondon
PHX Phoenix Sky Harbor Intl - LHR London Heathrow
PHXLHR
Phoenix Sky Harbor Intl
Wed 9/9
13:20-13:05
2 stops15h 45m
London Heathrow
Wed 31/12
00:00-16:00
Nonstop0h 00m
£243
PhoenixLondon
PHX Phoenix Sky Harbor Intl - LHR London Heathrow
PHXLHR
Phoenix Sky Harbor Intl
Sat 3/10
23:59-06:25
1 stop22h 26m
London Heathrow
Wed 31/12
00:00-16:00
Nonstop0h 00m
£243
Fastest return journey
PhoenixLondon
PHX Phoenix Sky Harbor Intl - LHR London Heathrow
PHXLHR
Phoenix Sky Harbor Intl
Wed 2/12
20:40-13:35
Nonstop9h 55m
London Heathrow
Wed 31/12
00:00-16:00
Nonstop0h 00m
£248
PhoenixLondon
PHX Phoenix Sky Harbor Intl - LHR London Heathrow
PHXLHR
Phoenix Sky Harbor Intl
Thu 1/10
11:51-13:05
1 stop17h 14m
London Heathrow
Wed 31/12
00:00-16:00
Nonstop0h 00m
£280
PhoenixLondon
PHX Phoenix Sky Harbor Intl - LHR London Heathrow
PHXLHR
Phoenix Sky Harbor Intl
Thu 3/12
07:00-10:05
3 stops20h 05m
London Heathrow
Wed 31/12
00:00-16:00
Nonstop0h 00m
£294
PhoenixLondon
PHX Phoenix Sky Harbor Intl - LHR London Heathrow
PHXLHR
Phoenix Sky Harbor Intl
Tue 15/12
07:00-09:10
1 stop19h 10m
London Heathrow
Wed 31/12
00:00-16:00
Nonstop0h 00m
£323
PhoenixLondon
PHX Phoenix Sky Harbor Intl - LHR London Heathrow
PHXLHR
Phoenix Sky Harbor Intl
Thu 1/10
16:10-10:30
Nonstop10h 20m
London Heathrow
Wed 31/12
00:00-16:00
Nonstop0h 00m
£366
PhoenixLondon
PHX Phoenix Sky Harbor Intl - LHR London Heathrow
PHXLHR
Phoenix Sky Harbor Intl
Tue 20/10
08:30-10:40
3 stops18h 10m
London Heathrow
Wed 31/12
00:00-16:00
Nonstop0h 00m
£538
PhoenixLondon
PHX Phoenix Sky Harbor Intl - LHR London Heathrow
PHXLHR
Phoenix Sky Harbor Intl
Mon 8/2
17:14-21:35
3 stops21h 21m
London Heathrow
Wed 31/12
00:00-16:00
Nonstop0h 00m
£576
Flights are sorted by cheapest return flights first.
Deals found on 30/8
Showing 1-10 of 22 resultsSorted by cheapest first
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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.
PHX-LHR
Estimated return 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
More
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 82 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, November is the cheapest month in which you can book a flight from Phoenix Sky Harbor Intl Airport to London Heathrow Airport (average of £634). Flying from Phoenix Sky Harbor Intl Airport to London Heathrow Airport in June is currently the most expensive (average of £1,146). 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 Sky Harbor Intl 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 4 September 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Phoenix Sky Harbor Intl Airport to London Heathrow Airport as you normally would.
How much does it cost for a return flight from Phoenix Sky Harbor Intl Airport to London Heathrow Airport?
Airfare is typical for this route at the moment.
Phoenix Sky Harbor Intl Airport to London Heathrow Airport flights typically cost between £578 and £923 in December.The cheapest return price found within the last 5 days was £705 on British Airways (3 Dec–17 Dec).
Weekly flight availability from Phoenix Sky Harbor Intl Airport to London Heathrow Airport
Explore weekly flight availability from Sky Harbor Intl 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 4 September 2026.
The most flights from PHX 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).
What’s the top stopover airport for flights from Phoenix Sky Harbor Intl Airport to London Heathrow Airport?
Share of one-stop return flights from Phoenix Sky Harbor Intl Airport to London Heathrow Airport chosen by Cheapflights users in the past 12 months, using the same stopover each way.
New York (JFK) – chosen by Cheapflights users on 67% of one-stop itineraries from Phoenix Sky Harbor Intl Airport to London Heathrow Airport on Cheapflights.
What’s the cheapest stopover airport for flights from Phoenix Sky Harbor Intl Airport to London Heathrow Airport?
Average return fare for one-stop flights from Phoenix Sky Harbor Intl Airport to London Heathrow Airport, chosen by Cheapflights users in the past 12 months, with the same stopover each way.
Atlanta (ATL) is the most affordable one-stop option, with an average return flight price of £564.
What’s the fastest stopover option from Phoenix Sky Harbor Intl Airport to London Heathrow Airport?
Shortest average travel time for one-stop one-way flights from Phoenix Sky Harbor Intl Airport to London Heathrow Airport, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.
Flights via Atlanta (ATL) have the shortest average one-way travel time for one-stop routes: 12h 48m.
Which airport typically offers the quickest stopover for flights from Phoenix Sky Harbor Intl Airport to London Heathrow Airport?
Average stopover duration for one-stop one-way flights from Phoenix Sky Harbor Intl Airport to London Heathrow Airport, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Atlanta (ATL) offer the fastest connection on this route, with an average stopover time of 1h 35m.
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 4 September 2026.
Get a feel of what it's like to fly with JetBlue and British Airways from Phoenix Sky Harbor Intl Airport to London Heathrow Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Had a four delay with family of 5 was not a great day.
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?
Airlines like Delta and United Airlines fly from Phoenix Sky Harbor Intl Airport to London Heathrow Airport in about 15h 45m. The time it takes to get you to your destination can typically vary by up to 15h 10m. Airlines will cover a distance of 5255 mi. Both multi-stop and direct flights can be found to your destination and back.
What are the cheapest airlines flying from Phoenix Sky Harbor Intl Airport to London Heathrow Airport round-trip?
Cheapflights users have booked flights from Phoenix Sky Harbor Intl Airport to London Heathrow Airport round-trip from £487. Another airline that can offer you cheap pricing is JetBlue. Users have found that British Airways is 38% cheaper than the other options available to this destination.
What are the most reliable airlines from Phoenix Sky Harbor Intl Airport to London Heathrow Airport?
Consider American Airlines (65%), Aer Lingus (65%) or Finnair (65%) when booking your flight. These represent the most reliable airlines when flying 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?
While on average a flight from Phoenix Sky Harbor Intl Airport to London Heathrow Airport is generally £617, our data shows the cheapest flight currently is £236. When looking at the most popular route, (Phoenix Sky Harbor Intl - London Heathrow), you can expect to pay £549 for that flight.
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 holiday 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, November is the cheapest month in which you can book a flight from Phoenix Sky Harbor Intl Airport to London Heathrow Airport (average of £634). Flying from Phoenix Sky Harbor Intl Airport to London Heathrow Airport in June is currently the most expensive (average of £1,146). 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.
Explore flights to Heathrow departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 4 September 2026.
Top 2 airlines flying from Sky Harbor Intl to Heathrow
Discover the top 2 airlines that operate flights from Sky Harbor Intl 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 7,457,451 searches. Data last updated 4 September 2026.
Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from Sky Harbor Intl to Heathrow?
Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Sky Harbor Intl to Heathrow. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.
Why should you use Cheapflights to find cheap flight tickets from Sky Harbor Intl to Heathrow?
Cheapflights helps you find that perfect flight to Heathrow from Sky Harbor Intl by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!
Can Cheapflights find flights from Sky Harbor Intl to Heathrow with no change fees?
Need flexible booking options for your flight to Heathrow from Sky Harbor Intl? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.
Can Cheapflights notify me if prices for flights from Sky Harbor Intl to Heathrow become cheaper?
Yes, Cheapflights offers price alerts on Sky Harbor Intl to Heathrow flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.
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