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Cheap Flights from Phoenix (PHX) to London (LHR)

Compare Phoenix Sky Harbor to London Heathrow flight deals

Find the cheapest month or even day of the year to fly to London Heathrow

Book the best London Heathrow fare with no extra fees

Flight deals from Phoenix Sky Harbor to London Heathrow

Looking for a cheap last-minute deal or the best return flight from Phoenix Sky Harbor Airport to London Heathrow Airport? If you want to travel next month, return fares start from $1,320. Find the lowest prices on one-way and return tickets right here.
London.$1,184 per passenger.Departing Thu, 12 Nov, returning Thu, 19 Nov.Return flight with WestJet.Outbound indirect flight with WestJet, departs from Phoenix Sky Harbor on Thu, 12 Nov, arriving in London Heathrow.Inbound indirect flight with WestJet, departs from London Heathrow on Thu, 19 Nov, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From $1,184, select.
London.$1,248 per passenger.Departing Mon, 12 Oct, returning Thu, 22 Oct.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Phoenix Sky Harbor on Mon, 12 Oct, arriving in London Heathrow.Inbound indirect flight with Air Canada, departs from London Heathrow on Thu, 22 Oct, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From $1,248, select.
London.$1,254 per passenger.Departing Mon, 26 Oct, returning Fri, 13 Nov.Return flight with Air France.Outbound indirect flight with Air France, departs from Phoenix Sky Harbor on Mon, 26 Oct, arriving in London Heathrow.Inbound indirect flight with Air France, departs from London Heathrow on Fri, 13 Nov, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From $1,254, select.
London.$1,257 per passenger.Departing Sun, 6 Dec, returning Wed, 9 Dec.Return flight with Air France.Outbound indirect flight with Air France, departs from Phoenix Sky Harbor on Sun, 6 Dec, arriving in London Heathrow.Inbound indirect flight with Air France, departs from London Heathrow on Wed, 9 Dec, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From $1,257, select.
London.$1,259 per passenger.Departing Tue, 29 Dec, returning Tue, 12 Jan.Return flight with Air France.Outbound indirect flight with Air France, departs from Phoenix Sky Harbor on Tue, 29 Dec, arriving in London Heathrow.Inbound indirect flight with Air France, departs from London Heathrow on Tue, 12 Jan, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From $1,259, select.
London.$1,259 per passenger.Departing Tue, 27 Apr, returning Tue, 11 May.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Phoenix Sky Harbor on Tue, 27 Apr, arriving in London Heathrow.Inbound indirect flight with Air Canada, departs from London Heathrow on Tue, 11 May, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From $1,259, select.
London.$1,263 per passenger.Departing Wed, 25 Nov, returning Wed, 9 Dec.Return flight with Air France.Outbound indirect flight with Air France, departs from Phoenix Sky Harbor on Wed, 25 Nov, arriving in London Heathrow.Inbound indirect flight with Air France, departs from London Heathrow on Wed, 9 Dec, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From $1,263, select.
London.$1,265 per passenger.Departing Sat, 5 Sep, returning Thu, 10 Sep.Return flight with Frontier Airlines and Vueling Airlines.Outbound indirect flight with Frontier Airlines, departs from Phoenix Sky Harbor on Sat, 5 Sep, arriving in London Heathrow.Inbound indirect flight with Vueling Airlines, departs from London Heathrow on Thu, 10 Sep, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From $1,265, select.
London.$1,268 per passenger.Departing Tue, 25 Aug, returning Tue, 1 Sep.Return flight with Frontier Airlines and Icelandair.Outbound indirect flight with Frontier Airlines, departs from Phoenix Sky Harbor on Tue, 25 Aug, arriving in London Heathrow.Inbound indirect flight with Icelandair, departs from London Heathrow on Tue, 1 Sep, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From $1,268, select.
London.$1,269 per passenger.Departing Sun, 17 Jan, returning Thu, 28 Jan.Return flight with Air France.Outbound indirect flight with Air France, departs from Phoenix Sky Harbor on Sun, 17 Jan, arriving in London Heathrow.Inbound indirect flight with Air France, departs from London Heathrow on Thu, 28 Jan, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From $1,269, select.
London.$1,272 per passenger.Departing Tue, 2 Mar, returning Tue, 16 Mar.Return flight with Air France.Outbound indirect flight with Air France, departs from Phoenix Sky Harbor on Tue, 2 Mar, arriving in London Heathrow.Inbound indirect flight with Air France, departs from London Heathrow on Tue, 16 Mar, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From $1,272, select.
London.$1,272 per passenger.Departing Tue, 2 Feb, returning Tue, 16 Feb.Return flight with KLM and Air France.Outbound indirect flight with KLM, departs from Phoenix Sky Harbor on Tue, 2 Feb, arriving in London Heathrow.Inbound indirect flight with Air France, departs from London Heathrow on Tue, 16 Feb, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From $1,272, select.
London.$1,273 per passenger.Departing Tue, 4 May, returning Wed, 19 May.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Phoenix Sky Harbor on Tue, 4 May, arriving in London Heathrow.Inbound indirect flight with Air Canada, departs from London Heathrow on Wed, 19 May, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From $1,273, select.
London.$1,274 per passenger.Departing Wed, 21 Apr, returning Tue, 27 Apr.Return flight with KLM and Air France.Outbound indirect flight with KLM, departs from Phoenix Sky Harbor on Wed, 21 Apr, arriving in London Heathrow.Inbound indirect flight with Air France, departs from London Heathrow on Tue, 27 Apr, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From $1,274, select.
London.$1,276 per passenger.Departing Wed, 13 Jan, returning Wed, 3 Feb.Return flight with Delta.Outbound indirect flight with Delta, departs from Phoenix Sky Harbor on Wed, 13 Jan, arriving in London Heathrow.Inbound indirect flight with Delta, departs from London Heathrow on Wed, 3 Feb, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From $1,276, select.
London.$1,277 per passenger.Departing Tue, 9 Feb, returning Thu, 4 Mar.Return flight with KLM and Air France.Outbound indirect flight with KLM, departs from Phoenix Sky Harbor on Tue, 9 Feb, arriving in London Heathrow.Inbound indirect flight with Air France, departs from London Heathrow on Thu, 4 Mar, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From $1,277, select.

Find the cheapest month to fly from Phoenix Sky Harbor to London Heathrow

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Phoenix Sky Harbor to London Heathrow flights are currently cheapest in November.
Jul
from $1,885
Aug
from $1,320
Sep
from $1,265
Oct
from $1,248
Nov
from $1,184
Dec
from $1,257
Jan
from $1,269
Feb
from $1,272
Mar
from $1,272
Apr
from $1,274
May
from $1,273
Jun
from $1,708

Direct flights from Phoenix Sky Harbor to London Heathrow

Phoenix Sky Harbor to London Heathrow: Alternative routes

Compare routes from Phoenix Sky Harbor to London below. You may find an airport to fly into that's cheaper, faster, or easier than London Heathrow.

London City

12km from central London
Closest
from $1,306
Search flights

London Heathrow

23km from central London
from $1,184
Search flights

London Gatwick

40km from central London
Cheapest
from $970
Search flights

London Luton

45km from central London
from $1,136
Search flights

London Stansted

49km from central London
from $1,070
Search flights

London Southend

57km from central London
from $1,769
Search flights

Phoenix to London: Flight information

The things to know before you go.
Cheapest flight found$1,184
Cheapest month to flyNovember
Average flight time10 hrs, 8 mins
Most popular airlineAmerican Airlines
Average flights per week56

Finding cheap flights from Phoenix Sky Harbor to London Heathrow: Frequently asked questions

The best price we found for a return flight from Phoenix Sky Harbor to London Heathrow is $1,184. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
10 hours and 8 minutes is the average flight time from Phoenix Sky Harbor to London Heathrow.
American Airlines, Finnair and Iberia fly direct from Phoenix Sky Harbor to London Heathrow.
As of July 2026, there are 56 flights per week flying from Phoenix Sky Harbor to London Heathrow.
The cheapest month to fly from Phoenix Sky Harbor to London Heathrow is usually November.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Phoenix Sky Harbor Airport to London Heathrow Airport on Thursday, 12 November 2026.
Yes – the average flight time is 10 hours and 8 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to London Heathrow but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to London is around 40 days in advance, so don’t leave your flight to the last minute.

Currently, WestJet and British Airways offer the cheapest flight tickets to London Heathrow.

Flying from Phoenix Sky Harbour Airport (PHX) to London Heathrow Airport (LHR): what you need to know

  • Take a direct flight from Phoenix Sky Harbour Airport to London Heathrow Airport and you'll be travelling for an average of 10 hours.

  • London's timezone is UTC+0, making London seven hours ahead of Phoenix.

  • Flights from PHX to LHR start at 18:40 — the earliest with American Airlines. The last service of the day is at 20:50 with British Airways. Overall, you can take your pick of 11 weekly Phoenix Sky Harbour Airport to London Heathrow Airport flights.

  • To ensure you get on your PHX to LHR flight, leave plenty of time to check in and find your gate. Arriving two hours ahead of international departures and one hour before domestic flights is the general travel rule.

  • Be prepared for bigger queues in popular months like April. Arriving up to four hours in advance for an international flight and two hours for domestic departures is a good idea.

  • Jetting into London (and then exploring more of the United Kingdom!) is a breeze with British Airways. This popular carrier offers direct flights from Phoenix Sky Harbour Airport to London Heathrow Airport.

  • British Airways is the airline with the highest passenger demand for this route.

  • Among carriers operating PHX to LHR flights, American Airlines has the best track record for timely arrivals.

  • If you'd like to include a stop along the way, simply deselect 'Direct flights only' when searching for your ticket from Phoenix Sky Harbour Airport to London Heathrow Airport. These are the top stopovers between PHX and LHR:

    • Chicago O'Hare International Airport

    • Denver International Airport

    • Harry Reid International Airport

How to find the cheapest flights from Phoenix Sky Harbour Airport (PHX) to London Heathrow Airport (LHR)

  • The cheapest price we've seen for a one-way Phoenix Sky Harbour Airport to London Heathrow Airport flight is $416. A round-trip ticket is currently $1,184. Depending on the availability and when you book, these fares may change.

  • To get cheap tickets from PHX to LHR, reserve your trip four months before your planned departure.

  • The cheapest month for flights from Phoenix Sky Harbour Airport to London Heathrow Airport is September. Use the 'Whole month' tool to find the lowest prices if you have flexible dates.

  • Spend less time searching for cheap flights from PHX to LHR by setting up a Price Alert. You'll get an email or notification through the app when a special offer becomes available.

  • Tailor your trip with filters. Pick your ideal arrival and departure times, airlines and total journey duration. You can also sort results by 'Cheapest,' 'Best' or 'Fastest' flights from Phoenix Sky Harbour Airport to London Heathrow Airport.

Handy information about Phoenix Sky Harbour Airport (PHX)

  • You'll find PHX at 3400 Sky Harbour Boulevard.

  • Phoenix Sky Harbour Airport maintains a strong on-time performance, so you're less likely to experience disruptions. Departures from PHX touch down on schedule 80% of the time.

  • Central Phoenix to Phoenix Sky Harbour Airport is approximately 5 kilometres. Depending on traffic, it'll take you about 10 minutes to get there if you're driving, catching a taxi or ride-sharing.

  • Catching public transport? Expect a journey time of around 25 minutes.

  • Get your travels off to a stress-free start by staying near PHX. Whether you're catching an early flight from Phoenix Sky Harbour Airport to London Heathrow Airport or just don't want to be rushed, these hotels are the answer:

Arriving at London Heathrow Airport (LHR)

When to fly to London Heathrow Airport (LHR)

  • The quietest month for a flight from Phoenix Sky Harbour Airport to London Heathrow Airport is March, while July is the busiest. Choose the ideal time to go to London based on whether you prefer a more relaxed vibe or a faster pace.

  • Book your flight from Phoenix Sky Harbour Airport to London Heathrow Airport for July if you want to explore London during its warmest month. Expect temperatures of between 11ºC (52ºF) and 26ºC (79ºF).

  • January sees average temperatures of between 0ºC (32ºF) and 9ºC (48ºF). Search for cheap tickets from PHX to LHR sometime around then if you want to travel in cooler conditions.

Explore more of the United Kingdom

  • You've seen London, now it's time to explore other corners of the United Kingdom. Journey about 257 kilometres north-west to Manchester to check off its leading attractions. From Manchester United Museum & Stadium Tour to The Homes of Football and Museum of Science and Industry, your itinerary will be busy.

  • If you're ready to explore another well-known destination in the United Kingdom, head for Birmingham, roughly 161 kilometres north-west of London. Birmingham Museum & Art Gallery, Birmingham Hippodrome Theatre and Bournville Experience are key highlights.

Plan smart, explore more

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Plan the rest of your trip from Phoenix to London

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.