Cheap flights from Phoenix Sky Harbor Intl Airport to London from $421

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 3/10. 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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Find the cheapest flights from Phoenix Sky Harbor Intl Airport to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
WestJet Logo
9:00 am - 12:50 pm
PHX
-
LHR
20h 50m1 stop
WestJet Logo
2:50 pm - 10:10 am
LHR
-
PHX
26h 20m1 stop
$711WestJet
Thu, Mar 5 - Mon, Mar 16
Multiple Airlines Logo
11:59 pm - 10:00 am
PHX
-
LGW
27h 01m1 stop
Multiple Airlines Logo
2:00 pm - 10:12 pm
LGW
-
PHX
39h 12m1 stop
$711Multiple Airlines
Wed, Feb 18 - Mon, Mar 2
JetBlue Logo
10:19 pm - 6:55 am
PHX
-
LHR
25h 36m1 stop
JetBlue Logo
12:20 pm - 9:46 pm
LHR
-
PHX
16h 26m1 stop
$712JetBlue
Sun, Jan 18 - Sat, Jan 31
Scandinavian Airlines Logo
4:25 pm - 5:40 pm
PHX
-
LHR
18h 15m2 stops
Scandinavian Airlines Logo
10:20 am - 10:29 pm
LHR
-
PHX
19h 09m2 stops
$713Scandinavian Airlines
Tue, Mar 17 - Tue, Mar 24
JetBlue Logo
11:59 pm - 9:40 pm
PHX
-
LHR
14h 41m1 stop
JetBlue Logo
9:20 am - 8:10 pm
LHR
-
PHX
17h 50m1 stop
$714JetBlue
Wed, Mar 4 - Sun, Mar 8
Scandinavian Airlines Logo
5:00 pm - 5:40 pm
PHX
-
LHR
17h 40m2 stops
Scandinavian Airlines Logo
6:40 am - 11:15 pm
LHR
-
PHX
23h 35m2 stops
$715Scandinavian Airlines
Wed, Jan 28 - Tue, Feb 3
Lufthansa Logo
9:00 am - 5:55 pm
PHX
-
LCY
24h 55m2 stops
Lufthansa Logo
9:15 am - 7:02 pm
LCY
-
PHX
17h 47m2 stops
$827Lufthansa
Wed, Apr 29 - Wed, May 6
Lufthansa Logo
9:40 am - 9:05 am
PHX
-
LCY
16h 25m2 stops
Lufthansa Logo
6:15 pm - 7:18 pm
LCY
-
PHX
32h 03m2 stops
$831Lufthansa
Wed, Feb 18 - Mon, Mar 2
SWISS Logo
4:36 pm - 5:05 pm
PHX
-
LCY
17h 29m2 stops
SWISS Logo
9:15 am - 9:50 pm
LCY
-
PHX
19h 35m2 stops
$842SWISS
Tue, Feb 10 - Thu, Feb 19
SWISS Logo
12:35 pm - 12:55 pm
PHX
-
LCY
41h 20m2 stops
SWISS Logo
9:20 am - 11:03 pm
LCY
-
PHX
20h 43m2 stops
$848SWISS
Sat, Feb 14 - Fri, Feb 27

WestJet flights from Phoenix Sky Harbor Intl Airport to London

Our best WestJet deals on Phoenix Sky Harbor Intl Airport to London flight tickets
WestJet
Mar 5
PHX9:00 amPhoenix Sky Harbor Intl
20h 50m
1 stop
LHR12:50 pmLondon Heathrow
Mar 16
LHR2:50 pmLondon Heathrow
26h 20m
1 stop
PHX10:10 amPhoenix Sky Harbor Intl
WestJet
Jan 21
PHX9:10 pmPhoenix Sky Harbor Intl
32h 40m
3 stops
LHR12:50 pmLondon Heathrow
Feb 19
LHR2:50 pmLondon Heathrow
14h 59m
1 stop
PHX10:49 pmPhoenix Sky Harbor Intl
WestJet
Jan 25
PHX12:05 pmPhoenix Sky Harbor Intl
17h 45m
2 stops
LHR12:50 pmLondon Heathrow
Feb 2
LHR2:50 pmLondon Heathrow
14h 59m
1 stop
PHX10:49 pmPhoenix Sky Harbor Intl

JetBlue flights from Phoenix Sky Harbor Intl Airport to London

Our best JetBlue deals on Phoenix Sky Harbor Intl Airport to London flight tickets
JetBlue
Jan 18
PHX10:19 pmPhoenix Sky Harbor Intl
25h 36m
1 stop
LHR6:55 amLondon Heathrow
Jan 31
LHR12:20 pmLondon Heathrow
16h 26m
1 stop
PHX9:46 pmPhoenix Sky Harbor Intl
JetBlue
Feb 20
PHX11:59 pmPhoenix Sky Harbor Intl
15h 01m
1 stop
LHR10:00 pmLondon Heathrow
Feb 24
LHR12:20 pmLondon Heathrow
16h 27m
1 stop
PHX9:47 pmPhoenix Sky Harbor Intl
JetBlue
Jan 14
PHX11:59 pmPhoenix Sky Harbor Intl
14h 41m
1 stop
LHR9:40 pmLondon Heathrow
May 2
LHR8:25 amLondon Heathrow
20h 30m
1 stop
PHX8:55 pmPhoenix Sky Harbor Intl

momondo Fare Finder

 
Customize your flight search to find flights from Phoenix Sky Harbor Intl Airport to London 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 832,500 searches. Data last updated December 18, 2025.
Use the filters below to find and compare flights from Phoenix Sky Harbor Intl Airport to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PhoenixLondon

PHX - LHR

PHXLHR

Phoenix Sky Harbor Intl

Thu 3/5

9:00 am-12:50 pm

1 stop20h 50m

London Heathrow

Mon 3/16

2:50 pm-10:10 am

1 stop26h 20m

$711

PhoenixLondon

PHX - LGW

PHXLGW

Phoenix Sky Harbor Intl

Wed 2/18

11:59 pm-10:00 am

1 stop27h 01m

London Gatwick

Mon 3/2

2:00 pm-10:12 pm

1 stop39h 12m

$711

PhoenixLondon

PHX - LHR

PHXLHR

Phoenix Sky Harbor Intl

Sun 1/18

10:19 pm-6:55 am

1 stop25h 36m

London Heathrow

Sat 1/31

12:20 pm-9:46 pm

1 stop16h 26m

$712

PhoenixLondon

PHX - LHR

PHXLHR

Phoenix Sky Harbor Intl

Tue 3/17

4:25 pm-5:40 pm

2 stops18h 15m

London Heathrow

Tue 3/24

10:20 am-10:29 pm

2 stops19h 09m

$713

PhoenixLondon

PHX - LHR

PHXLHR

Phoenix Sky Harbor Intl

Wed 3/4

11:59 pm-9:40 pm

1 stop14h 41m

London Heathrow

Sun 3/8

9:20 am-8:10 pm

1 stop17h 50m

$714

PhoenixLondon

PHX - LHR

PHXLHR

Phoenix Sky Harbor Intl

Wed 1/28

5:00 pm-5:40 pm

2 stops17h 40m

London Heathrow

Tue 2/3

6:40 am-11:15 pm

2 stops23h 35m

$715

PhoenixLondon

PHX - LCY

PHXLCY

Phoenix Sky Harbor Intl

Wed 4/29

9:00 am-5:55 pm

2 stops24h 55m

London City

Wed 5/6

9:15 am-7:02 pm

2 stops17h 47m

$827

PhoenixLondon

PHX - LCY

PHXLCY

Phoenix Sky Harbor Intl

Wed 2/18

9:40 am-9:05 am

2 stops16h 25m

London City

Mon 3/2

6:15 pm-7:18 pm

2 stops32h 03m

$831

PhoenixLondon

PHX - LCY

PHXLCY

Phoenix Sky Harbor Intl

Tue 2/10

4:36 pm-5:05 pm

2 stops17h 29m

London City

Thu 2/19

9:15 am-9:50 pm

2 stops19h 35m

$842

PhoenixLondon

PHX - LCY

PHXLCY

Phoenix Sky Harbor Intl

Sat 2/14

12:35 pm-12:55 pm

2 stops41h 20m

London City

Fri 2/27

9:20 am-11:03 pm

2 stops20h 43m

$848

Flights are sorted by cheapest round-trip 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 Sky Harbor Intl Airport to London

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?

The cheapest month to fly to London from Phoenix Sky Harbor Intl Airport is in October. Flight prices, which tend to average around $676, are often lower during this time because this is during the off-season. The month of September is another great option to travel to London, with average flight prices from Phoenix Sky Harbor Intl Airport averaging around $709.

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

The cheapest day to depart from Phoenix Sky Harbor Intl Airport to London is on a Wednesday. Travelers who choose to depart for London on a Wednesday will often find tickets for as low as $880. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $1,110. These prices are subject to change though, so be sure to set up a Price Alert for flights to London.

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

Flying to London from Phoenix Sky Harbor Intl Airport in the morning is the least expensive time of day to depart. momondo users have found prices as low as $833 when looking at flights departing in the morning. Flights to London are more costly in the afternoon, with an average ticket price of $1,028. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

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

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

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

You are more likely to see cheaper flights to London from Phoenix Sky Harbor Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to London for around $919 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from Phoenix Sky Harbor Intl Airport for as low as $821 on momondo.

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

There are 4 cabin classes available to choose from on Phoenix Sky Harbor Intl to London 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 flights?

You could potentially save up to 1% on your flight if you consider stops on a Phoenix Sky Harbor Intl Airport to London flight.

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

As of December 2025, prices for Phoenix Sky Harbor Intl Airport to London flights are approximately 45% more expensive when compared to flights at the same time last year.

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

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

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

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

Best Price Found

$394

Fastest flight time

9h 50m

Direct flights

Every day

Airports in London

6 airports
The best one-way flight to London from Phoenix Sky Harbor Intl Airport in the past 72 hours is $394. The best round-trip flight deal from Phoenix Sky Harbor Intl Airport to London found on momondo in the last 72 hours is $704.
The fastest flight from Phoenix Sky Harbor Intl Airport to London takes 9h 50m
Direct flights go from Phoenix Sky Harbor Intl Airport to London every day.
There are 6 airports in London. From Phoenix Sky Harbor Intl Airport there are direct flights to London Heathrow (LHR).
  • How far is Phoenix Sky Harbor Intl to London by plane?

    There are 5264.8 mi between Phoenix Sky Harbor Intl and London. 9h 50m is a normal flight duration for this route.

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

    Prices for flights from Phoenix Sky Harbor Intl Airport to London are updated daily.

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

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

    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.

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

    The required travel and health documents for your London trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at London. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

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

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

Best airlines flying from Phoenix Sky Harbor Intl Airport to London

Compare and see reviews for airlines that fly from Phoenix Sky Harbor Intl Airport to London with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom $515Free CancellationRating
6.7
7,586 reviews
Search British Airways flights
American AirlinesPriceFrom $532Free CancellationRating
7.2
11,054 reviews
Search American Airlines flights
Scandinavian AirlinesPriceFrom $533Free CancellationRating
7.4
1,608 reviews
Search Scandinavian Airlines flights
Virgin AtlanticPriceFrom $537Free CancellationRating
7.5
675 reviews
Search Virgin Atlantic flights
JetBluePriceFrom $551Free CancellationRating
7.2
2,895 reviews
Search JetBlue flights
FinnairPriceFrom $565Free CancellationRating
7.6
1,338 reviews
Search Finnair flights
IberiaPriceFrom $565Free CancellationRating
7.0
3,053 reviews
Search Iberia flights
DeltaPriceFrom $580Free CancellationRating
7.9
8,007 reviews
Search Delta flights
United AirlinesPriceFrom $581Free CancellationRating
7.4
9,094 reviews
Search United Airlines flights
WestJetPriceFrom $598Free CancellationRating
7.2
3,204 reviews
Search WestJet flights
  • Finnair Flights From Phoenix Sky Harbor Intl Airport to London

    Across 7 Finnair flights from Phoenix Sky Harbor Intl Airport to London this week, the average price was $900, with the best Finnair deals starting from $565 round-trip. 1,338 users have rated Finnair on momondo, with an average score of 7.6/10.

  • American Airlines Flights From Phoenix Sky Harbor Intl Airport to London

    The best American Airlines deal for Phoenix Sky Harbor Intl Airport to London flight tickets found on momondo in the last 72 hours was $532, round-trip. It should be noted that an average American Airlines flight deal for this route in this time was higher, at $890 round-trip. American Airlines operates 7 flights out of Phoenix Sky Harbor Intl Airport into London in an average week, so prices vary by time and availability. 11,054 American Airlines reviews by users on momondo have scored the airline at 7.2/10.

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Gatwick
Hounslow
Milton Keynes
Dover
Luton
Slough
Guildford
Hayes
Dartford
Crawley
Brentwood
Wembley
Watford
Ilford
Cobham
Folkestone
Romford
Richmond
Uxbridge
Stansted

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Phoenix to London. Millions of users trust and use momondo every year so you are in good hands.

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?

momondo provides multiple filters to help you find the best flight to London from Phoenix. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes momondo offers price alerts on flights to London from Phoenix. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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1 adult
Sat 1/17
Sat 1/24

Find better results for your trip to the United Kingdom

Fly into one of these airports located in London

Airports listed have a maximum distance of 35.6 mi from London