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

Compare Phoenix 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 to London Heathrow

Looking for a cheap last-minute deal or the best return flight from Phoenix to London Heathrow? Find the lowest prices on one-way and return tickets right here.
London.$1,004 per passenger.Departing Tue, 20 Jan, returning Wed, 21 Jan.Return flight with WestJet.Outbound indirect flight with WestJet, departs from Phoenix Sky Harbor on Tue, 20 Jan, arriving in London Heathrow.Inbound indirect flight with WestJet, departs from London Heathrow on Wed, 21 Jan, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From $1,004, select.
London.$1,021 per passenger.Departing Wed, 19 Nov, returning Wed, 3 Dec.Return flight with Air Canada and Air France.Outbound indirect flight with Air Canada, departs from Phoenix Sky Harbor on Wed, 19 Nov, arriving in London Heathrow.Inbound indirect flight with Air France, departs from London Heathrow on Wed, 3 Dec, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From $1,021, select.
London.$1,039 per passenger.Departing Wed, 4 Mar, returning Wed, 11 Mar.Return flight with WestJet.Outbound indirect flight with WestJet, departs from Phoenix Sky Harbor on Wed, 4 Mar, arriving in London Heathrow.Inbound indirect flight with WestJet, departs from London Heathrow on Wed, 11 Mar, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From $1,039, select.
London.$1,039 per passenger.Departing Tue, 3 Feb, returning Tue, 10 Feb.Return flight with WestJet.Outbound indirect flight with WestJet, departs from Phoenix Sky Harbor on Tue, 3 Feb, arriving in London Heathrow.Inbound indirect flight with WestJet, departs from London Heathrow on Tue, 10 Feb, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From $1,039, select.
London.$1,041 per passenger.Departing Tue, 24 Feb, returning Tue, 10 Mar.Return flight with WestJet.Outbound indirect flight with WestJet, departs from Phoenix Sky Harbor on Tue, 24 Feb, arriving in London Heathrow.Inbound indirect flight with WestJet, departs from London Heathrow on Tue, 10 Mar, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From $1,041, select.
London.$1,111 per passenger.Departing Wed, 3 Dec, returning Mon, 8 Dec.Return flight with Frontier Airlines and Icelandair.Outbound indirect flight with Frontier Airlines, departs from Phoenix Sky Harbor on Wed, 3 Dec, arriving in London Heathrow.Inbound indirect flight with Icelandair, departs from London Heathrow on Mon, 8 Dec, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From $1,111, select.
London.$1,115 per passenger.Departing Thu, 15 Jan, returning Sat, 7 Feb.Return flight with WestJet.Outbound indirect flight with WestJet, departs from Phoenix Sky Harbor on Thu, 15 Jan, arriving in London Heathrow.Inbound indirect flight with WestJet, departs from London Heathrow on Sat, 7 Feb, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From $1,115, select.
London.$1,120 per passenger.Departing Mon, 15 Dec, returning Thu, 15 Jan.Return flight with Frontier Airlines and Scandinavian Airlines.Outbound indirect flight with Frontier Airlines, departs from Phoenix Sky Harbor on Mon, 15 Dec, arriving in London Heathrow.Inbound indirect flight with Scandinavian Airlines, departs from London Heathrow on Thu, 15 Jan, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From $1,120, select.

Find the cheapest month to fly from Phoenix to London Heathrow

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Phoenix to London Heathrow flights are currently cheapest in January.
Oct
from $1,367
Nov
from $1,184
Dec
from $1,111
Jan
from $1,004
Feb
from $1,039
Mar
from $1,039
Apr
from $1,206
May
from $1,268
Jun
from $1,635
Jul
from $1,765
Aug
from $1,265
Sep
from $1,221

Direct flights from Phoenix to London Heathrow

Phoenix to London Heathrow: Alternative routes

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

Phoenix to London: Flight information

The things to know before you go.
Cheapest flight found$1,004
Cheapest month to flyJanuary
Average flight time9 hrs, 58 mins
Most popular airlineFinnair
Average flights per week37

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

The best price we found for a return flight from Phoenix to London Heathrow is $1,004. 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.
9 hours and 58 minutes is the average flight time from Phoenix to London Heathrow.
Finnair, American Airlines and Iberia fly direct from Phoenix to London Heathrow.
As of October 2025, there are 37 flights per week flying from Phoenix to London Heathrow.
The cheapest month to fly from Phoenix to London Heathrow is usually January.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Phoenix to London Heathrow Airport on Tuesday, 20 January 2026.
Yes – the average flight time is 9 hours and 58 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.

Travelling from Phoenix to London Heathrow Airport (LHR): What you need to know

  • Phoenix's main base, Phoenix Sky Harbour International Airport (PHX), is where many unforgettable trips begin. Explore the options for leaving from here when booking your flight from Phoenix to London Heathrow Airport (LHR).

  • London Heathrow Airport is located in London. The city operates on the UTC+0 timezone and is seven hours ahead of Phoenix.

  • To ensure you get on your flight from Phoenix to LHR, leave enough time for things like check-in and baggage drop. Arriving two hours ahead of international departures and an hour before domestic flights is the standard rule.

  • High season means busier airports, so show up even earlier. Give yourself at least two hours before a domestic flight and four hours for international journeys to keep to your schedule.

Airports in Phoenix

Phoenix Scottsdale Municipal Airport (SCF)

Phoenix Sky Harbour International Airport (PHX)

  • Consider starting your trip from Phoenix Sky Harbour International Airport (PHX). You can book a direct Phoenix to London Heathrow Airport (LHR) flight ticket with departures from here.

  • British Airways operates direct flights from Phoenix to LHR departing from PHX. Book your favourite window seat and get to your destination without any detours.

  • On the PHX to LHR route, British Airways is the favourite choice for most passengers.

  • Among the carriers operating flights between Phoenix Sky Harbour International Airport and London Heathrow Airport, American Airlines has the best track record for timeliness.

  • Add another location to your travels or just take a moment to stretch your legs with a stopover. If you'd like to split up your flight from Phoenix to London Heathrow Airport, browse these options when setting off from Phoenix Sky Harbour International Airport:

    • O'Hare International Airport (ORD)

    • Denver International Airport (DEN)

    • Harry Reid Airport (formerly McCarran Airport) (LAS)

  • With public transport, you can travel from central Phoenix to PHX in around 35 minutes. The airport is roughly 8 kilometres away, and making the journey by car will take approximately 10 minutes.

  • Want to treat yourself to an extra night away before your Phoenix to LHR flight? Kick back in a hotel near Phoenix Sky Harbour International Airport before your adventure officially begins. These stays are expecting you:

  • Flights from Phoenix Sky Harbour International Airport have a reputation for punctuality, with 82.57% of them arriving within the expected time frame.

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

Phoenix-Mesa Gateway Airport (AZA)

  • Choosing a flight ticket from Phoenix to London Heathrow Airport (LHR) with one or more stops can give you more choice of departure times on top of cheaper fares. When jetting off from Phoenix-Mesa Gateway Airport (AZA), here's where you can make a pit stop at on your way to LHR:

    • Minneapolis-St. Paul International Airport (MSP)

    • Harry Reid Airport (formerly McCarran Airport) (LAS)

    • Portland International Airport (PDX)

  • If you're on your way to AZA from the centre of Phoenix, it'll take you about 40 minutes to arrive by car. The journey is roughly 56 kilometres.

  • Take the 'what ifs' out of departure day — stay near Phoenix-Mesa Gateway Airport and know you'll make it to your boarding gate with time to spare. Get comfy at one of these hotels the day before if you're catching an early Phoenix to London Heathrow Airport flight:

  • Flights departing from AZA arrive at their destination within the scheduled time frame 78.65% of the time.

  • You'll find Phoenix-Mesa Gateway Airport at 6033 S. Sossaman Rd..

About London Heathrow Airport (LHR)

Getting from London Heathrow Airport (LHR) to central London

  • London Heathrow Airport is around 26 kilometres from central London. How long it'll take to get to the centre in a car hire or cab will depend on the time of day. Do a little research before you go.

  • It'll take around 1 hour to get there using public transport.

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

  • Right now, $368 is the best price we've found for a one-way ticket from Phoenix to London Heathrow Airport. The cheapest price for a return flight is $1,004. Keep in mind fares can change due to availability at the time of booking.

  • To snag cheap flights from Phoenix to LHR, book your flight ticket four months before your departure date.

  • Plan your trip for September. That's the best month for landing an awesome deal on Phoenix to London Heathrow Airport tickets. If you have flexibility with your dates, use the 'Whole month' tool to find the lowest price across each month.

  • Snapping up a cheap flight ticket from Phoenix to LHR is a breeze with Price Alerts. All you need to do is set up one of these automatic alerts and we'll notify you when there's a better deal.

  • Uncover a great deal on a flight from Phoenix to London Heathrow Airport with the help of the filters. Pick your preferred departure and arrival times, airlines and number of stops. You can also sort your results by 'Best,' 'Fastest' or 'Cheapest.'

The best time to fly from Phoenix to London Heathrow Airport (LHR)

  • It's time to decide your travel dates for your flight from Phoenix to London Heathrow Airport (LHR). July is the busiest month to visit London. If crowds aren't your thing, think about going in February.

  • When booking your Phoenix to LHR flight ticket, consider the weather you're most comfortable in. July is the warmest month in London, with temperatures ranging from 11ºC (52ºF) to 26ºC (79ºF).

  • Search for cheap tickets from Phoenix to London Heathrow Airport in January if you want to travel in cooler conditions. Temperatures are at their lowest then, ranging between 0ºC (32ºF) and 9ºC (48ºF).

More about London

  • After booking your flight from Phoenix to London Heathrow Airport, find a hotel that offers a good mix of location and comfort. Make one of these options your base for exploring London:

  • The British Museum and Westminster Abbey are just a couple of the popular attractions to put on your London itinerary. Keep the sightseeing going at Big Ben.

Explore more of the United Kingdom

  • London will leave a lasting impression, but there are so many other parts of the United Kingdom waiting to be discovered. About 153 kilometres north-west of London, a trip to Birmingham will keep you busy. Start with leading attractions like The Windsor Castle, Birmingham Museum & Art Gallery and Birmingham Hippodrome Theatre.

  • Bristol is another well-known destination in the United Kingdom and is around 145 kilometres west of London. No trip is complete without visiting Banksey, Banksy's You Don't Need Planning Permission to Build Castles in the Sky and Clifton Suspension Bridge.

Plan the rest of your trip from Phoenix to London

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.