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Cheap flights from Phoenix Sky Harbor Intl Airport to London from $339

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 5/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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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.
Scandinavian Airlines Logo
5:45 am - 9:35 am
PHX
-
LHR
19h 50m
2 stops
Scandinavian Airlines Logo
7:05 am - 11:46 pm
LHR
-
PHX
24h 41m
2 stops
$725Scandinavian Airlines
Tue, Apr 21 - Fri, May 1
Scandinavian Airlines Logo
12:10 pm - 5:40 pm
PHX
-
LHR
21h 30m
2 stops
Scandinavian Airlines Logo
6:40 am - 10:58 pm
LHR
-
PHX
24h 18m
2 stops
$727Scandinavian Airlines
Wed, Sep 9 - Sat, Sep 26
Scandinavian Airlines Logo
12:10 pm - 5:40 pm
PHX
-
LHR
21h 30m
2 stops
Scandinavian Airlines Logo
6:40 am - 10:58 pm
LHR
-
PHX
24h 18m
2 stops
$728Scandinavian Airlines
Wed, Sep 9 - Sat, Sep 26
Scandinavian Airlines Logo
12:10 pm - 4:00 pm
PHX
-
LHR
43h 50m
2 stops
Scandinavian Airlines Logo
6:40 pm - 8:55 pm
LHR
-
PHX
34h 15m
2 stops
$732Scandinavian Airlines
Mon, Aug 24 - Thu, Sep 10
Scandinavian Airlines Logo
11:15 pm - 9:35 pm
PHX
-
LHR
38h 20m
2 stops
Scandinavian Airlines Logo
10:20 am - 10:58 pm
LHR
-
PHX
20h 38m
2 stops
$738Scandinavian Airlines
Sun, Sep 13 - Sun, Sep 20
Scandinavian Airlines Logo
5:45 am - 9:40 pm
PHX
-
LHR
31h 55m
2 stops
Scandinavian Airlines Logo
7:05 am - 11:46 pm
LHR
-
PHX
24h 41m
2 stops
$740Scandinavian Airlines
Thu, Apr 16 - Thu, Apr 23
Scandinavian Airlines Logo
5:45 am - 2:35 pm
PHX
-
LHR
24h 50m
2 stops
Scandinavian Airlines Logo
6:40 am - 11:46 pm
LHR
-
PHX
25h 06m
2 stops
$742Scandinavian Airlines
Tue, Apr 21 - Mon, Apr 27
Scandinavian Airlines Logo
12:10 pm - 5:40 pm
PHX
-
LHR
21h 30m
2 stops
Scandinavian Airlines Logo
6:40 am - 10:58 pm
LHR
-
PHX
24h 18m
2 stops
$744Scandinavian Airlines
Tue, Sep 8 - Wed, Sep 16
Scandinavian Airlines Logo
10:15 am - 6:30 pm
PHX
-
LHR
24h 15m
2 stops
Scandinavian Airlines Logo
6:40 am - 10:58 pm
LHR
-
PHX
24h 18m
2 stops
$745Scandinavian Airlines
Tue, Sep 8 - Wed, Sep 16
Scandinavian Airlines Logo
12:10 pm - 9:40 pm
PHX
-
LHR
25h 30m
2 stops
Scandinavian Airlines Logo
7:05 am - 10:58 pm
LHR
-
PHX
23h 53m
3 stops
$753Scandinavian Airlines
Sun, Sep 6 - Tue, Sep 22

Scandinavian Airlines flights from Phoenix Sky Harbor Intl Airport to London Heathrow Airport

Our best Scandinavian Airlines deals on Phoenix Sky Harbor Intl Airport to London Heathrow Airport flight tickets
Scandinavian Airlines
Apr 21
PHX5:45 amPhoenix Sky Harbor Intl
19h 50m
2 stops
LHR9:35 amLondon Heathrow
May 1
LHR7:05 amLondon Heathrow
24h 41m
2 stops
PHX11:46 pmPhoenix Sky Harbor Intl
$725
Scandinavian Airlines
Apr 16
PHX5:45 amPhoenix Sky Harbor Intl
31h 55m
2 stops
LHR9:40 pmLondon Heathrow
Apr 23
LHR7:05 amLondon Heathrow
24h 41m
2 stops
PHX11:46 pmPhoenix Sky Harbor Intl
$740
Scandinavian Airlines
Apr 21
PHX5:45 amPhoenix Sky Harbor Intl
24h 50m
2 stops
LHR2:35 pmLondon Heathrow
Apr 27
LHR6:40 amLondon Heathrow
25h 06m
2 stops
PHX11:46 pmPhoenix Sky Harbor Intl
$742

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

Our best Lufthansa deals on Phoenix Sky Harbor Intl Airport to London Heathrow Airport flight tickets
Lufthansa
May 6
PHX12:10 pmPhoenix Sky Harbor Intl
13h 25m
1 stop
LHR9:35 amLondon Heathrow
May 13
LHR7:25 amLondon Heathrow
17h 43m
2 stops
PHX5:08 pmPhoenix Sky Harbor Intl
$891
Lufthansa
May 5
PHX12:10 pmPhoenix Sky Harbor Intl
15h 40m
1 stop
LHR11:50 amLondon Heathrow
May 12
LHR7:25 amLondon Heathrow
17h 43m
2 stops
PHX5:08 pmPhoenix Sky Harbor Intl
$892

momondo Fare Finder

 
Customize 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 832,500 searches. Data last updated March 17, 2026.
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

Cheapest round-trip
Quickest round-trip

PhoenixLondon

PHX - LHR

PHXLHR

Phoenix Sky Harbor Intl

Tue 4/21

5:45 am-9:35 am

2 stops19h 50m

London Heathrow

Fri 5/1

7:05 am-11:46 pm

2 stops24h 41m

$725

PhoenixLondon

PHX - LHR

PHXLHR

Phoenix Sky Harbor Intl

Wed 9/9

12:10 pm-5:40 pm

2 stops21h 30m

London Heathrow

Sat 9/26

6:40 am-10:58 pm

2 stops24h 18m

$727

PhoenixLondon

PHX - LHR

PHXLHR

Phoenix Sky Harbor Intl

Wed 9/9

12:10 pm-5:40 pm

2 stops21h 30m

London Heathrow

Sat 9/26

6:40 am-10:58 pm

2 stops24h 18m

$728

PhoenixLondon

PHX - LHR

PHXLHR

Phoenix Sky Harbor Intl

Mon 8/24

12:10 pm-4:00 pm

2 stops43h 50m

London Heathrow

Thu 9/10

6:40 pm-8:55 pm

2 stops34h 15m

$732

PhoenixLondon

PHX - LHR

PHXLHR

Phoenix Sky Harbor Intl

Sun 9/13

11:15 pm-9:35 pm

2 stops38h 20m

London Heathrow

Sun 9/20

10:20 am-10:58 pm

2 stops20h 38m

$738

PhoenixLondon

PHX - LHR

PHXLHR

Phoenix Sky Harbor Intl

Thu 4/16

5:45 am-9:40 pm

2 stops31h 55m

London Heathrow

Thu 4/23

7:05 am-11:46 pm

2 stops24h 41m

$740

PhoenixLondon

PHX - LHR

PHXLHR

Phoenix Sky Harbor Intl

Tue 4/21

5:45 am-2:35 pm

2 stops24h 50m

London Heathrow

Mon 4/27

6:40 am-11:46 pm

2 stops25h 06m

$742

PhoenixLondon

PHX - LHR

PHXLHR

Phoenix Sky Harbor Intl

Tue 9/8

12:10 pm-5:40 pm

2 stops21h 30m

London Heathrow

Wed 9/16

6:40 am-10:58 pm

2 stops24h 18m

$744

PhoenixLondon

PHX - LHR

PHXLHR

Phoenix Sky Harbor Intl

Tue 9/8

10:15 am-6:30 pm

2 stops24h 15m

London Heathrow

Wed 9/16

6:40 am-10:58 pm

2 stops24h 18m

$745

PhoenixLondon

PHX - LHR

PHXLHR

Phoenix Sky Harbor Intl

Sun 9/6

12:10 pm-9:40 pm

2 stops25h 30m

London Heathrow

Tue 9/22

7:05 am-10:58 pm

3 stops23h 53m

$753

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 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?

The month of October is, on average, the cheapest month to fly to London Heathrow Airport from Phoenix Sky Harbor Intl Airport, with most prices found around $699. If you’re not able to fly to London Heathrow Airport in October, then November is your next best option. Flight prices from Phoenix Sky Harbor Intl Airport to London Heathrow Airport during November average around $762.

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

Our data shows that Wednesday is the least expensive day to fly to London Heathrow Airport. Tickets to fly out on this day can be as low as $869. The most expensive day to fly to London Heathrow Airport is Saturday, with ticket prices averaging around $1,102.

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 in the evening. momondo users have found flights departing from Phoenix Sky Harbor Intl Airport to London Heathrow Airport in the evening for as low as $922. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the afternoon are often more expensive with an average ticket price of $989.

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 $930 when searching weeks out. 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 $806 on momondo.

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

There are 4 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?

No. A direct flight is the cheapest option for a flight between Phoenix Sky Harbor Intl Airport to London Heathrow Airport.

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

As of March 2026, prices for Phoenix Sky Harbor Intl Airport to London Heathrow Airport flights are approximately 16% 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 round-trip 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

$340

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 $340. The best round-trip flight deal from Phoenix Sky Harbor Intl Airport to London Heathrow Airport found on momondo in the last 72 hours is $755.
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?

    There are 5254.6 mi between Phoenix Sky Harbor Intl and London Heathrow. 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 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 required travel and health documents for your London Heathrow Airport 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 Heathrow Airport. 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 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 $513Free CancellationRating
6.7
7,797 reviews
Search British Airways flights
IberiaPriceFrom $527Free CancellationRating
7.0
3,138 reviews
Search Iberia flights
Scandinavian AirlinesPriceFrom $533Free CancellationRating
7.3
1,716 reviews
Search Scandinavian Airlines flights
American AirlinesPriceFrom $547Free CancellationRating
7.1
11,466 reviews
Search American Airlines flights
JetBluePriceFrom $551Free CancellationRating
7.2
2,906 reviews
Search JetBlue flights
FinnairPriceFrom $565Free CancellationRating
7.6
1,371 reviews
Search Finnair flights
DeltaPriceFrom $580Free CancellationRating
7.9
8,288 reviews
Search Delta flights
United AirlinesPriceFrom $581Free CancellationRating
7.4
9,432 reviews
Search United Airlines flights
Virgin AtlanticPriceFrom $583Free CancellationRating
7.5
682 reviews
Search Virgin Atlantic flights
Air CanadaPriceFrom $604Free CancellationRating
7.1
10,811 reviews
Search Air Canada flights

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

    Finnair operates around 7 flights from Phoenix Sky Harbor Intl Airport to London Heathrow Airport every week. The average price of these flights found in the last 72 hours has been $884, but momondo users have found Finnair deals from Phoenix Sky Harbor Intl Airport to London Heathrow Airport from as low as $565 round-trip. Finnair has been scored 7.6/10 in 1,371 reviews.

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

    Across 11,466 American Airlines reviews on momondo, the average score is 7.1/10. American Airlines flies from Phoenix Sky Harbor Intl Airport to London Heathrow Airport about 7 times each week, with ticket deals ranging from $547 to $979. Price data is based on momondo searches in the last 72 hours.

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Gatwick
Hounslow
Milton Keynes
Luton
Dover
Slough
Crawley
Stratford-upon-Avon
Wembley
Hayes
Dartford
Croydon
Harrow
Watford
Brentwood
Guildford
Stansted
Cobham
Folkestone
Romford

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Phoenix to London for you.

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

momondo does allow users to show only those flights to London from Phoenix which offer a flexible booking policy as well as other useful filters and features.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Phoenix to London.

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.

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