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Cheap flights from Phoenix Sky Harbor Intl Airport to London from £315

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Phoenix Sky Harbor Intl Airport to London departing on 10/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Phoenix Sky Harbor Intl Airport to London

Cheap return flights

Enter your travel dates to find the best prices.
Scandinavian Airlines Logo
06:15 - 09:20
PHX
-
LHR
20h 05m3 stops
Scandinavian Airlines Logo
06:40 - 22:40
LHR
-
PHX
23h 00m2 stops
£532Scandinavian Airlines
Tue, 13 Jan - Wed, 28 Jan
JetBlue Logo
22:19 - 06:55
PHX
-
LHR
25h 36m1 stop
JetBlue Logo
12:20 - 21:46
LHR
-
PHX
16h 26m1 stop
£532JetBlue
Sun, 18 Jan - Sat, 31 Jan
Scandinavian Airlines Logo
16:25 - 17:40
PHX
-
LHR
18h 15m2 stops
Scandinavian Airlines Logo
10:20 - 22:29
LHR
-
PHX
19h 09m2 stops
£533Scandinavian Airlines
Tue, 17 Mar - Tue, 24 Mar
JetBlue Logo
23:59 - 21:40
PHX
-
LHR
14h 41m1 stop
JetBlue Logo
09:20 - 20:10
LHR
-
PHX
17h 50m1 stop
£534JetBlue
Wed, 4 Mar - Sun, 8 Mar
Scandinavian Airlines Logo
17:00 - 17:40
PHX
-
LHR
17h 40m2 stops
Scandinavian Airlines Logo
06:40 - 23:15
LHR
-
PHX
23h 35m2 stops
£535Scandinavian Airlines
Wed, 28 Jan - Tue, 3 Feb
WestJet Logo
21:10 - 12:50
PHX
-
LHR
32h 40m3 stops
WestJet Logo
14:50 - 22:49
LHR
-
PHX
14h 59m1 stop
£537WestJet
Wed, 21 Jan - Thu, 19 Feb
Scandinavian Airlines Logo
16:32 - 09:20
PHX
-
LHR
33h 48m2 stops
Scandinavian Airlines Logo
10:20 - 22:40
LHR
-
PHX
43h 20m2 stops
£538Scandinavian Airlines
Mon, 12 Jan - Sat, 24 Jan
Scandinavian Airlines Logo
23:15 - 09:35
PHX
-
LHR
26h 20m2 stops
Scandinavian Airlines Logo
07:05 - 22:58
LHR
-
PHX
23h 53m2 stops
£539Scandinavian Airlines
Fri, 8 May - Fri, 15 May
WestJet Logo
12:05 - 12:50
PHX
-
LHR
17h 45m2 stops
WestJet Logo
14:50 - 22:49
LHR
-
PHX
14h 59m1 stop
£541WestJet
Sun, 25 Jan - Tue, 3 Feb
JetBlue Logo
23:59 - 22:00
PHX
-
LHR
15h 01m1 stop
JetBlue Logo
09:20 - 21:10
LHR
-
PHX
18h 50m1 stop
£541JetBlue
Fri, 20 Feb - Tue, 24 Feb

JetBlue flights from Phoenix Sky Harbor Intl Airport to London Heathrow Airport

Our best JetBlue deals on Phoenix Sky Harbor Intl Airport to London Heathrow Airport flight tickets
JetBlue
18 Jan
PHX22:19Phoenix Sky Harbor Intl
25h 36m
1 stop
LHR06:55London Heathrow
31 Jan
LHR12:20London Heathrow
16h 26m
1 stop
PHX21:46Phoenix Sky Harbor Intl
£532
Find similar
JetBlue
4 Mar
PHX23:59Phoenix Sky Harbor Intl
14h 41m
1 stop
LHR21:40London Heathrow
8 Mar
LHR09:20London Heathrow
17h 50m
1 stop
PHX20:10Phoenix Sky Harbor Intl
£534
Find similar
JetBlue
20 Feb
PHX23:59Phoenix Sky Harbor Intl
15h 01m
1 stop
LHR22:00London Heathrow
24 Feb
LHR12:20London Heathrow
16h 27m
1 stop
PHX21:47Phoenix Sky Harbor Intl
£541
Find similar

WestJet flights from Phoenix Sky Harbor Intl Airport to London Heathrow Airport

Our best WestJet deals on Phoenix Sky Harbor Intl Airport to London Heathrow Airport flight tickets
WestJet
21 Jan
PHX21:10Phoenix Sky Harbor Intl
32h 40m
3 stops
LHR12:50London Heathrow
19 Feb
LHR14:50London Heathrow
14h 59m
1 stop
PHX22:49Phoenix Sky Harbor Intl
£537
Find similar
WestJet
25 Jan
PHX12:05Phoenix Sky Harbor Intl
17h 45m
2 stops
LHR12:50London Heathrow
2 Feb
LHR14:50London Heathrow
14h 59m
1 stop
PHX22:49Phoenix Sky Harbor Intl
£541
Find similar
WestJet
19 Jan
PHX19:35Phoenix Sky Harbor Intl
34h 15m
1 stop
LHR12:50London Heathrow
22 Jan
LHR14:50London Heathrow
29h 28m
3 stops
PHX13:18Phoenix Sky Harbor Intl
£556
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from Phoenix Sky Harbor Intl Airport to London Heathrow Airport 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, momondo users made 279,928 searches. Data last updated 18 December 2025.
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

PhoenixLondon

PHX - LHR

PHXLHR

Phoenix Sky Harbor Intl

Tue 13/1

06:15-09:20

3 stops20h 05m

London Heathrow

Wed 28/1

06:40-22:40

2 stops23h 00m

£532

PhoenixLondon

PHX - LHR

PHXLHR

Phoenix Sky Harbor Intl

Sun 18/1

22:19-06:55

1 stop25h 36m

London Heathrow

Sat 31/1

12:20-21:46

1 stop16h 26m

£532

PhoenixLondon

PHX - LHR

PHXLHR

Phoenix Sky Harbor Intl

Tue 17/3

16:25-17:40

2 stops18h 15m

London Heathrow

Tue 24/3

10:20-22:29

2 stops19h 09m

£533

PhoenixLondon

PHX - LHR

PHXLHR

Phoenix Sky Harbor Intl

Wed 4/3

23:59-21:40

1 stop14h 41m

London Heathrow

Sun 8/3

09:20-20:10

1 stop17h 50m

£534

PhoenixLondon

PHX - LHR

PHXLHR

Phoenix Sky Harbor Intl

Wed 28/1

17:00-17:40

2 stops17h 40m

London Heathrow

Tue 3/2

06:40-23:15

2 stops23h 35m

£535

PhoenixLondon

PHX - LHR

PHXLHR

Phoenix Sky Harbor Intl

Wed 21/1

21:10-12:50

3 stops32h 40m

London Heathrow

Thu 19/2

14:50-22:49

1 stop14h 59m

£537

PhoenixLondon

PHX - LHR

PHXLHR

Phoenix Sky Harbor Intl

Mon 12/1

16:32-09:20

2 stops33h 48m

London Heathrow

Sat 24/1

10:20-22:40

2 stops43h 20m

£538

PhoenixLondon

PHX - LHR

PHXLHR

Phoenix Sky Harbor Intl

Fri 8/5

23:15-09:35

2 stops26h 20m

London Heathrow

Fri 15/5

07:05-22:58

2 stops23h 53m

£539

PhoenixLondon

PHX - LHR

PHXLHR

Phoenix Sky Harbor Intl

Sun 25/1

12:05-12:50

2 stops17h 45m

London Heathrow

Tue 3/2

14:50-22:49

1 stop14h 59m

£541

PhoenixLondon

PHX - LHR

PHXLHR

Phoenix Sky Harbor Intl

Fri 20/2

23:59-22:00

1 stop15h 01m

London Heathrow

Tue 24/2

09:20-21:10

1 stop18h 50m

£541

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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See travel insights to London from

How to get the cheapest flight ticket from Phoenix Sky Harbor Intl Airport to London Heathrow Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to London Heathrow Airport?

In general, October is the cheapest month to fly from Phoenix Sky Harbor Intl Airport to London Heathrow Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £516. The month of November is another great option to travel to London Heathrow Airport, with average flight prices from Phoenix Sky Harbor Intl Airport averaging around £570.

What is the cheapest day to depart on your flight to London Heathrow Airport?

On average, the least expensive day to fly to London Heathrow Airport from Phoenix Sky Harbor Intl Airport is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as £684. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to London Heathrow Airport on Saturday is £946.

What is the cheapest time of day to depart on your flight to London Heathrow Airport?

According to our data, the cheapest time of day to fly to London Heathrow Airport is at midday. momondo users have found flights departing from Phoenix Sky Harbor Intl Airport to London Heathrow Airport at midday for as low as £522. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are £784 on average. Flights to London Heathrow Airport from Phoenix Sky Harbor Intl Airport in the afternoon are generally more expensive because this time of day is more convenient for travellers’ schedules.

What is the cheapest Phoenix Sky Harbor Intl to London Heathrow flight route?

Fly from Phoenix Sky Harbor Intl to London Heathrow for the best Phoenix Sky Harbor Intl - London Heathrow flight prices

How far in advance should I book a flight to London Heathrow Airport?

You are more likely to see cheaper flights to London Heathrow Airport from Phoenix Sky Harbor Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around £687 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from Phoenix Sky Harbor Intl Airport for as low as £614 on momondo.

What cabin class options are available on Phoenix Sky Harbor Intl to London Heathrow flights?

There are 3 cabin classes available to choose from on Phoenix Sky Harbor Intl to London Heathrow flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Phoenix Sky Harbor Intl Airport to London Heathrow Airport flights?

You could potentially save up to 24% on your flight if you consider stops on a Phoenix Sky Harbor Intl Airport to London Heathrow Airport flight.

How have Phoenix Sky Harbor Intl Airport to London Heathrow Airport flight prices changed over time?

As of December 2025, prices for Phoenix Sky Harbor Intl Airport to London Heathrow Airport flights are approximately 30% cheaper when compared to flights at the same time last year.

When to book flights from Phoenix Sky Harbor Intl Airport to London Heathrow Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Phoenix Sky Harbor Intl Airport to London Heathrow Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Phoenix Sky Harbor Intl Airport to London Heathrow Airport (PHX to LHR) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Phoenix Sky Harbor Intl Airport to London Heathrow Airport

Best price found

£627

Fastest flight time

9h 50m

Direct flights

Every day
The best one-way flight to London Heathrow Airport from Phoenix Sky Harbor Intl Airport in the past 72 hours is £627. The best return flight deal from Phoenix Sky Harbor Intl Airport to London Heathrow Airport found on momondo in the last 72 hours is £383.
The fastest flight from Phoenix Sky Harbor Intl Airport to London Heathrow Airport takes 9h 50m
Direct flights go from Phoenix Sky Harbor Intl Airport to London Heathrow Airport every day.
Search flight deals

  • How far is Phoenix Sky Harbor Intl to London Heathrow by plane?

    The straight-line distance from Phoenix Sky Harbor Intl to London Heathrow is 5254.6 mi. In terms of flight time, this usually takes a little over 9h 50m.

  • When did momondo last update prices for flights from Phoenix Sky Harbor Intl Airport to London Heathrow Airport?

    Prices for flights from Phoenix Sky Harbor Intl Airport to London Heathrow Airport were last updated today.

  • How many operators does momondo search for flights from Phoenix Sky Harbor Intl Airport to London Heathrow Airport?

  • How old do you have to be to fly from Phoenix Sky Harbor Intl Airport to London Heathrow Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Phoenix Sky Harbor Intl Airport to London Heathrow Airport.

  • What documentation or ID do you need to fly to London Heathrow Airport?

    The travel and health documents you'll need for your trip to London Heathrow Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at London Heathrow Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Phoenix Sky Harbor Intl Airport to London Heathrow Airport?

  • What is the most popular airline from Phoenix Sky Harbor Intl Airport to London Heathrow Airport?

Best airlines flying from Phoenix Sky Harbor Intl Airport to London Heathrow Airport

Compare and see reviews for airlines that fly from Phoenix Sky Harbor Intl Airport to London Heathrow Airport with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom £515Free CancellationRating
6.7
7,583 reviews
Search British Airways flights
IberiaPriceFrom £736Free CancellationRating
7.0
3,050 reviews
Search Iberia flights

  • Iberia Flights From Phoenix Sky Harbor Intl Airport to London Heathrow Airport

    The lowest priced Iberia flight from Phoenix Sky Harbor Intl Airport to London Heathrow Airport from the last 72 hours was £736. Generally, Iberia has 7 flights on this route every week with an average price of £902. Iberia is rated 7.0/10 by our users.

  • British Airways Flights From Phoenix Sky Harbor Intl Airport to London Heathrow Airport

    The best British Airways deal for Phoenix Sky Harbor Intl Airport to London Heathrow Airport flight tickets found on momondo in the last 72 hours was £515, round-trip. It should be noted that an average British Airways flight deal for this route in this time was higher, at £736 round-trip. British Airways operates 7 flights out of Phoenix Sky Harbor Intl Airport into London Heathrow Airport in an average week, so prices vary by time and availability. 7,583 British Airways reviews by users on momondo have scored the airline at 6.7/10.

Travelling to a place near London?

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Why use momondo?

Why should I use momondo to find a flight deal from Phoenix to London?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to London from Phoenix.

Can I find flights from Phoenix to London with flexible booking policies on momondo?

All flight searches from Phoenix to London on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Phoenix to London?

Once you have performed a search for Phoenix to London flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Phoenix to London right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Phoenix to London flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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