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Cheap flights from Phoenix to London from £247

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 to London departing on 15/10. 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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Cheap return flights

Air Canada Logo
20:30 - 13:20PHX-LHR
32h 50m1 stop
Air Canada Logo
13:25 - 17:53LHR-PHX
35h 28m2 stops
£372Air Canada
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Sat, 4 Oct - Wed, 29 Oct
Air Canada Logo
06:00 - 09:35PHX-LHR
19h 35m2 stops
Air Canada Logo
06:50 - 19:19LHR-PHX
20h 29m2 stops
£373Air Canada
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Tue, 7 Oct - Tue, 21 Oct
Logo
15:45 - 10:25PHX-LHR
34h 40m1 stop
Logo
14:10 - 11:21LHR-PHX
29h 11m1 stop
£375
Find Deal
Tue, 7 Oct - Tue, 21 Oct
Iberia Logo
20:25 - 13:15PHX-LHR
9h 50mdirect
Iberia Logo
14:20 - 18:15LHR-PHX
10h 55mdirect
£377Iberia
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Sun, 30 Nov - Tue, 27 Jan
United Airlines Logo
07:10 - 13:20PHX-LHR
22h 10m2 stops
United Airlines Logo
09:00 - 21:57LHR-PHX
20h 57m2 stops
£377United Airlines
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Wed, 15 Oct - Wed, 22 Oct
Iberia Logo
08:30 - 06:20PHX-LHR
13h 50m1 stop
Iberia Logo
11:15 - 14:15LHR-PHX
11h 00mdirect
£380Iberia
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Tue, 7 Oct - Thu, 23 Oct
United Airlines Logo
11:08 - 09:20PHX-LHR
14h 12m1 stop
United Airlines Logo
09:00 - 21:57LHR-PHX
20h 57m2 stops
£380United Airlines
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Tue, 7 Oct - Wed, 22 Oct
British Airways Logo
20:40 - 14:40PHX-LHR
10h 00mdirect
British Airways Logo
11:15 - 14:15LHR-PHX
11h 00mdirect
£383British Airways
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Tue, 7 Oct - Thu, 23 Oct
British Airways Logo
20:40 - 14:40PHX-LHR
10h 00mdirect
British Airways Logo
08:20 - 14:57LHR-PHX
14h 37m1 stop
£384British Airways
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Tue, 7 Oct - Wed, 22 Oct
Logo
09:00 - 14:05PHX-LHR
22h 05m2 stops
Logo
20:05 - 21:59LHR-PHX
32h 54m2 stops
£403
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Tue, 25 Nov - Tue, 2 Dec

Delta flights from Phoenix to London Heathrow Airport

Our best Delta deals on Phoenix to London Heathrow Airport flight tickets
Delta
22 Sept
PHX12:16Phoenix Sky Harbor Intl
18h 19m
1 stop
LHR14:35London Heathrow
30 Sept
LHR06:15London Heathrow
14h 35m
1 stop
PHX12:50Phoenix Sky Harbor Intl
£378
Find similar
Delta
22 Sept
PHX13:25Phoenix Sky Harbor Intl
15h 45m
2 stops
LHR13:10London Heathrow
30 Sept
LHR06:15London Heathrow
14h 35m
1 stop
PHX12:50Phoenix Sky Harbor Intl
£382
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Delta
23 Sept
PHX07:25Phoenix Sky Harbor Intl
15h 20m
1 stop
LHR06:45London Heathrow
1 Oct
LHR06:15London Heathrow
18h 00m
2 stops
PHX16:15Phoenix Sky Harbor Intl
£386
Find similar

Air Canada flights from Phoenix to London Heathrow Airport

Our best Air Canada deals on Phoenix to London Heathrow Airport flight tickets
Air Canada
22 Sept
PHX11:20Phoenix Sky Harbor Intl
14h 40m
1 stop
LHR10:00London Heathrow
8 Oct
LHR08:30London Heathrow
33h 52m
1 stop
PHX10:22Phoenix Sky Harbor Intl
£363
Find similar
Air Canada
4 Oct
PHX20:30Phoenix Sky Harbor Intl
32h 50m
1 stop
LHR13:20London Heathrow
29 Oct
LHR13:25London Heathrow
35h 28m
2 stops
PHX17:53Phoenix Sky Harbor Intl
£372
Find similar
Air Canada
7 Oct
PHX06:00Phoenix Sky Harbor Intl
19h 35m
2 stops
LHR09:35London Heathrow
21 Oct
LHR06:50London Heathrow
20h 29m
2 stops
PHX19:19Phoenix Sky Harbor Intl
£373
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from Phoenix 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 16 September 2025.
Use the filters below to find and compare flights from Phoenix 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

Sat 4/10

20:30-13:20

1 stop32h 50m

London Heathrow

Wed 29/10

13:25-17:53

2 stops35h 28m

£372

PhoenixLondon

PHX - LHR

PHXLHR

Phoenix Sky Harbor Intl

Tue 7/10

06:00-09:35

2 stops19h 35m

London Heathrow

Tue 21/10

06:50-19:19

2 stops20h 29m

£373

PhoenixLondon

PHX - LHR

PHXLHR

Phoenix Sky Harbor Intl

Tue 7/10

15:45-10:25

1 stop34h 40m

London Heathrow

Tue 21/10

14:10-11:21

1 stop29h 11m

£375

PhoenixLondon

PHX - LHR

PHXLHR

Phoenix Sky Harbor Intl

Sun 30/11

20:25-13:15

Nonstop9h 50m

London Heathrow

Tue 27/1

14:20-18:15

Nonstop10h 55m

£377

PhoenixLondon

PHX - LHR

PHXLHR

Phoenix Sky Harbor Intl

Wed 15/10

07:10-13:20

2 stops22h 10m

London Heathrow

Wed 22/10

09:00-21:57

2 stops20h 57m

£377

PhoenixLondon

PHX - LHR

PHXLHR

Phoenix Sky Harbor Intl

Tue 7/10

08:30-06:20

1 stop13h 50m

London Heathrow

Thu 23/10

11:15-14:15

Nonstop11h 00m

£380

PhoenixLondon

PHX - LHR

PHXLHR

Phoenix Sky Harbor Intl

Tue 7/10

11:08-09:20

1 stop14h 12m

London Heathrow

Wed 22/10

09:00-21:57

2 stops20h 57m

£380

PhoenixLondon

PHX - LHR

PHXLHR

Phoenix Sky Harbor Intl

Tue 7/10

20:40-14:40

Nonstop10h 00m

London Heathrow

Thu 23/10

11:15-14:15

Nonstop11h 00m

£383

PhoenixLondon

PHX - LHR

PHXLHR

Phoenix Sky Harbor Intl

Tue 7/10

20:40-14:40

Nonstop10h 00m

London Heathrow

Wed 22/10

08:20-14:57

1 stop14h 37m

£384

PhoenixLondon

PHX - LHR

PHXLHR

Phoenix Sky Harbor Intl

Tue 25/11

09:00-14:05

2 stops22h 05m

London Heathrow

Tue 2/12

20:05-21:59

2 stops32h 54m

£403

Flights are sorted by cheapest return flights first.

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

How to get the cheapest flight ticket from Phoenix 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 to London Heathrow Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £528. The month of February is another great option to travel to London Heathrow Airport, with average flight prices from Phoenix averaging around £538.

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 is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as £643. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Friday as prices are generally higher than usual. According to our data, the average ticket price to London Heathrow Airport on Friday is £814.

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 to London Heathrow Airport at midday for as low as £514. 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 £772 on average. Flights to London Heathrow Airport from Phoenix in the afternoon are generally more expensive because this time of day is more convenient for travellers’ schedules.

What is the cheapest Phoenix to London Heathrow flight route?

Fly from Phoenix Sky Harbor Intl to London Heathrow for the best Phoenix - 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 when booking weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around £681 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 for as low as £615 on momondo.

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

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

Cheap Phoenix to London Heathrow Airport flight deals and tips

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

Fastest flight time

9h 50m

Direct flights

Every day
The fastest flight from Phoenix to London Heathrow Airport takes 9h 50m
Direct flights go from Phoenix to London Heathrow Airport every day.
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  • How far is Phoenix to London Heathrow by plane?

    The straight-line distance from Phoenix to London Heathrow is 5256.4 mi. A reasonable flight in good conditions will take 9h 50m.

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

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

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Phoenix to London Heathrow Airport.

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

    The necessary travel and health documents for your London Heathrow Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Phoenix to London Heathrow Airport

Compare and see reviews for airlines that fly from Phoenix to London Heathrow Airport with momondo
Airline
Rating
Free Cancellation
Price
Virgin AtlanticPriceFrom £336Free CancellationRating
7.4
664 reviews
Search Virgin Atlantic flights
JetBluePriceFrom £460Free CancellationRating
7.2
2,912 reviews
Search JetBlue flights
British AirwaysPriceFrom £488Free CancellationRating
6.6
7,361 reviews
Search British Airways flights
IberiaPriceFrom £550Free CancellationRating
7.0
2,924 reviews
Search Iberia flights

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Eastbourne
Luton
Milton Keynes
Maidstone
Gatwick
Slough
Northampton
Swindon
Canterbury
Stratford-upon-Avon
Southend-on-Sea
Ipswich
Ilford
Guildford
Swanage
Poole
Colchester
Worthing
Salisbury
Chelmsford

Why use momondo?

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

It is quick and easy to find Phoenix to London flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to London that suits you.

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

Yes. momondo enables you to select and highlight flights to London from Phoenix with this policy.

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

Once all potential Phoenix to London flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

If you are not ready to book a flight from Phoenix to London now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to London and let you know when they change.

An easier way to manage your London Heathrow Airport trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
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