Cheap flights from Phoenix Sky Harbor Intl Airport to London from £174

PHX — LON
5 Dec — 12 Dec1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Phoenix Sky Harbor Intl to London are usually found in March or February, booked 84 days in advance, depart on a Monday or Friday and return on a Monday

Cheap flight deals from Sky Harbor Intl to London

Enter your travel dates to find the best prices.

Cheapest flights from Sky Harbor Intl to London

Sat 21/1107:00 -
1 stop22h 50m
Tue 1/1214:50 -
1 stop33h 20m
Deal found 1/11£577
Sun 6/1212:15 -
2 stops17h 35m
Sun 17/114:50 -
1 stop28h 15m
Deal found 1/11£577
Sun 6/1207:00 -
1 stop22h 50m
Tue 15/1206:00 -
2 stops24h 51m
Deal found 1/11£578
Tue 3/1123:59 -
1 stop23h 56m
Thu 19/1109:20 -
1 stop20h 34m
Deal found 2/11£579
Fri 6/1114:30 -
1 stop24h 10m
Fri 20/1108:05 -
1 stop21h 41m
Deal found 3/11£580
Wed 30/1223:59 -
1 stop14h 41m
Tue 12/107:25 -
1 stop22h 24m
Deal found 3/11£582
Thu 3/1207:00 -
1 stop22h 50m
Wed 16/1208:15 -
2 stops45h 24m
Deal found 1/11£583
Sun 6/1207:00 -
1 stop22h 50m
Wed 16/1208:15 -
2 stops45h 24m
Deal found 1/11£584
Sat 5/1207:00 -
1 stop22h 50m
Wed 16/1208:15 -
2 stops45h 24m
Deal found 1/11£586
Fri 20/1121:10 -
2 stops32h 40m
Tue 1/1214:50 -
1 stop14h 25m
Deal found 1/11£590
Thu 3/1207:00 -
1 stop22h 50m
Wed 9/1214:50 -
2 stops25h 40m
Deal found 2/11£591
Fri 4/1221:10 -
2 stops32h 40m
Tue 8/1214:50 -
1 stop14h 25m
Deal found 2/11£592

Find flight deals from Sky Harbor Intl to London

Round-trip from

£577

One-way from

£174

Popular in

June

Cheapest in

March

Average price

£710

Good round-trip deal

£783 or less

Good one-way deal

£641 or less
WestJet
  • WestJet
  • 21/11-1/12
  • 2 total stops
  • 56h 10m total
  • Phoenix to London
WestJet
  • WestJet
  • 2/2-31/12
  • 1 total stop
  • 22h 50m total
  • Phoenix to London
Highest demand for flights based on searches. 20% potential increase in price (£148 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£23 potential savings vs. average return price).
Average for round-trip flights in November 2026
Price to beat on a round-trip flight from Phoenix Sky Harbor Intl to London (LON).
Price to beat on a one-way flight from Phoenix Sky Harbor Intl to London (LON).

Cheapflights Fare Finder

 
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

Cheapest return flight

PhoenixLondon

PHX Phoenix Sky Harbor Intl - LHR London Heathrow

PHXLHR

Phoenix Sky Harbor Intl

Sun 6/12

23:59-21:40

1 stop14h 41m

London Heathrow

Wed 31/12

00:00-16:00

Nonstop0h 00m

£222

PhoenixLondon

PHX Phoenix Sky Harbor Intl - LHR London Heathrow

PHXLHR

Phoenix Sky Harbor Intl

Wed 3/2

07:45-10:50

3 stops20h 05m

London Heathrow

Wed 31/12

00:00-16:00

Nonstop0h 00m

£255

PhoenixLondon

PHX Phoenix Sky Harbor Intl - LHR London Heathrow

PHXLHR

Phoenix Sky Harbor Intl

Wed 14/4

06:00-10:00

3 stops20h 00m

London Heathrow

Wed 31/12

00:00-16:00

Nonstop0h 00m

£258

PhoenixLondon

PHX Phoenix Sky Harbor Intl - LHR London Heathrow

PHXLHR

Phoenix Sky Harbor Intl

Mon 15/3

21:37-17:30

3 stops36h 53m

London Heathrow

Wed 31/12

00:00-16:00

Nonstop0h 00m

£445

PhoenixLondon

PHX Phoenix Sky Harbor Intl - LHR London Heathrow

PHXLHR

Phoenix Sky Harbor Intl

Mon 25/1

22:29-17:30

3 stops36h 01m

London Heathrow

Wed 31/12

00:00-16:00

Nonstop0h 00m

£445

PhoenixLondon

PHX Phoenix Sky Harbor Intl - LHR London Heathrow

PHXLHR

Phoenix Sky Harbor Intl

Sat 17/4

09:45-11:55

3 stops18h 10m

London Heathrow

Wed 31/12

00:00-16:00

Nonstop0h 00m

£563

PhoenixLondon

PHX Phoenix Sky Harbor Intl - LHR London Heathrow

PHXLHR

Phoenix Sky Harbor Intl

Sat 10/4

09:45-11:55

3 stops18h 10m

London Heathrow

Wed 31/12

00:00-16:00

Nonstop0h 00m

£563

PhoenixLondon

PHX Phoenix Sky Harbor Intl - LHR London Heathrow

PHXLHR

Phoenix Sky Harbor Intl

Fri 4/12

08:00-10:50

3 stops19h 50m

London Heathrow

Wed 31/12

00:00-16:00

Nonstop0h 00m

£618
Fastest return journey

PhoenixLondon

PHX Phoenix Sky Harbor Intl - LHR London Heathrow

PHXLHR

Phoenix Sky Harbor Intl

Tue 10/11

12:47-10:25

1 stop14h 38m

London Heathrow

Wed 31/12

00:00-16:00

Nonstop0h 00m

£639

PhoenixLondon

PHX Phoenix Sky Harbor Intl - LHR London Heathrow

PHXLHR

Phoenix Sky Harbor Intl

Mon 1/2

09:41-07:05

1 stop14h 24m

London Heathrow

Tue 16/2

11:45-22:27

2 stops17h 42m

£674

Flights are sorted by cheapest return flights first.

Deals found on 5/11

Showing 1-10 of 19 resultsSorted by cheapest first
1
2

Best time to book a flight from Sky Harbor Intl to London

Have a flexible travel schedule? Discover the best time to fly to London from Sky Harbor Intl with our price prediction graph.
Estimated return price

Cheapflights Insights

Everything you need to know about your flight from Phoenix Sky Harbor Intl Airport to London

What is the cheapest month to book a flight from Phoenix Sky Harbor Intl Airport to London?

Currently, March is the cheapest month in which you can book a flight from Phoenix Sky Harbor Intl Airport to London (average of £675). Flying from Phoenix Sky Harbor Intl Airport to London in June is currently the most expensive (average of £1,147). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from PHX to LON?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Phoenix Sky Harbor Intl Airport to London as you normally would.

Weekly flight availability from Phoenix Sky Harbor Intl Airport to London

The most flights from PHX to LON are scheduled on a Monday (5 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (5 on average).

How much does it cost for a return flight from Phoenix Sky Harbor Intl Airport to London?

Airfare is typical for this route at the moment.
Phoenix Sky Harbor Intl Airport to London flights typically cost between £573 and £787 in November.
The cheapest return price found within the last 5 days was £577 on WestJet (21 Nov–1 Dec).

What’s the top stopover airport for flights from Phoenix Sky Harbor Intl Airport to London?

Toronto (YYZ) – chosen by Cheapflights users on 38% of one-stop itineraries from Phoenix Sky Harbor Intl Airport to London on Cheapflights.

What’s the cheapest stopover airport for flights from Phoenix Sky Harbor Intl Airport to London?

Atlanta (ATL) is the most affordable one-stop option, with an average return flight price of £566.

What’s the fastest stopover option from Phoenix Sky Harbor Intl Airport to London?

Flights via Atlanta (ATL) have the shortest average one-way travel time for one-stop routes: 12h 48m.

Which airport typically offers the quickest stopover for flights from Phoenix Sky Harbor Intl Airport to London?

Flights via Atlanta (ATL) offer the fastest connection on this route, with an average stopover time of 1h 35m.

How far ahead should I book a flight from Phoenix Sky Harbor Intl Airport to London?

The price you pay for your flight from Phoenix Sky Harbor Intl Airport to London may vary depending on when you book. For the best chance of a lower fare, look to book 82 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Reviews of airlines servicing London

Read reviews from past customers who have flown with Finnair,JetBlue, andBritish Airways from Phoenix Sky Harbor Intl Airport to London. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Crew

8.2

Food

6.7

Entertainment

6.9

Comfort

7.4

Boarding

7.6

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Jake,Jun 2026

RNO - SEA

Our checked baggage was not transferred correctly so now we are stuck in Budapest with out essential luggage. We are not able to get much help from FinnAir because their service from Seattle is on periodic.

Crew

8.2

Food

6.7

Entertainment

6.9

Comfort

7.4

Boarding

7.6

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Jake,Jun 2026

RNO - SEA

Our checked baggage was not transferred correctly so now we are stuck in Budapest with out essential luggage. We are not able to get much help from FinnAir because their service from Seattle is on periodic.

Crew

8.2

Food

6.7

Entertainment

6.9

Comfort

7.4

Boarding

7.6

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Jake,Jun 2026

RNO - SEA

Our checked baggage was not transferred correctly so now we are stuck in Budapest with out essential luggage. We are not able to get much help from FinnAir because their service from Seattle is on periodic.

Crew

8.2

Food

6.7

Entertainment

6.9

Comfort

7.4

Boarding

7.6

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Jake,Jun 2026

RNO - SEA

Our checked baggage was not transferred correctly so now we are stuck in Budapest with out essential luggage. We are not able to get much help from FinnAir because their service from Seattle is on periodic.

Related info for your journey

  • How long is the flight from Phoenix Sky Harbor Intl Airport to London?

    For as low as £689, Delta can have you in London from Phoenix Sky Harbor Intl Airport in 9h 55m. There are 5255 mi between Phoenix Sky Harbor Intl Airport and London. Both multi-stop and direct flights can be found to your destination and back.

  • What are the cheapest airlines flying from Phoenix Sky Harbor Intl Airport to London round-trip?

    Flying on British Airways is currently your cheapest option to London, with prices starting at £489. Another option worth looking into is JetBlue, starting at £644 return. These flights start at 38% lower than the current average price 3 months from now.

  • What are the most popular routes from Phoenix Sky Harbor Intl Airport to London?

  • What are the most reliable airlines from Phoenix Sky Harbor Intl Airport to London?

    The top 3 most reliable airlines when flying from Phoenix Sky Harbor Intl Airport to London are American Airlines (77%), Finnair (77%) and Iberia (77%).

  • What are the cheapest flights from Phoenix Sky Harbor Intl Airport to London?

    Looking at all options, your cheapest flight can be booked for £329. While the most popular route (Phoenix Sky Harbor Intl - London Heathrow) can be booked for £502 on average, our data indicates £763 when flying from Phoenix Sky Harbor Intl Airport to London.

  • Can I find deals for flights from Sky Harbor Intl to London that include hotel bookings?

    Yes. In addition to deals on Sky Harbor Intl to London flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Sky Harbor Intl to London?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sky Harbor Intl to London.

  • Can I find deals for business class flights from Sky Harbor Intl to London?

    Yes. Cheapflights offers flight deals from Sky Harbor Intl to London by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Phoenix Sky Harbor Intl Airport to London?

    Currently, March is the cheapest month in which you can book a flight from Phoenix Sky Harbor Intl Airport to London (average of £675). Flying from Phoenix Sky Harbor Intl Airport to London in June is currently the most expensive (average of £1,147). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Hounslow
Luton
Milton Keynes
Wembley
Gatwick
Slough
Ilford
Hayes
Croydon
Eastbourne
Barnet
Brentford
Southend-on-Sea
Enfield
Southall
Harrow
Watford
Folkestone
Dagenham
Dover

Browse thousands of different options on Cheapflights for your next trip

Top 2 airlines flying from Sky Harbor Intl to London

AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£489Average£769FlexibilityNo cancel feeOn-time70%
Search British Airways flights
JetBlueCheapest£644Average£762FlexibilityNo cancel feeOn-time62%
Search JetBlue flights

Fly with Cheapflights

How does Cheapflights help users find flights from Sky Harbor Intl to London?

When you search for this flight from Sky Harbor Intl to London, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Sky Harbor Intl to London?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Sky Harbor Intl to London for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Sky Harbor Intl to London with no change fees?

Yes! Cheapflights helps users easily find flights from Sky Harbor Intl to London with no change fees.

Can Cheapflights notify me if prices for flights from Sky Harbor Intl to London become cheaper?

Not ready to book yet? You can track prices for flights from Sky Harbor Intl to London on Cheapflights with our Price Alert feature and get notified when better prices are available.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.