$718 Cheap United flights Phoenix (PHX) to London (LHR)

View $718 flight on Tue, Sep 1, 2026Opens in a new window

$718 Cheap United flights Phoenix (PHX) to London (LHR)

Prices were available within the past 7 days and start at $718 for one-way flights and $1,045 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Sun, Nov 22 - Tue, Dec 8
PHX
Phoenix
LHR
London
$1,045 Roundtrip, found 17 hours ago
$1,045
Roundtrip
found 17 hours ago
Select United flight, departing Sun, Nov 22 from Phoenix to London, returning Tue, Dec 8, priced at $1,045 found 17 hours ago
United
Tue, Sep 1 - Thu, Sep 10
PHX
Phoenix
LHR
London
$1,073 Roundtrip, found 9 hours ago
$1,073
Roundtrip
found 9 hours ago
Select United flight, departing Tue, Sep 1 from Phoenix to London, returning Thu, Sep 10, priced at $1,073 found 9 hours ago

Find the cheapest month to fly from Phoenix (PHX) to London (LHR)

April is typically the cheapest month to fly

From $988 - $2,136 per traveler.

Travel information

Origin airport
Sky Harbor Intl.
Destination airport
Heathrow
Airlines serving
Aer Lingus, Air Canada, Air France, Alaska Airlines, American Airlines, Austrian Airlines, British Airways, Brussels Airlines, Delta, Finnair, Iberia, JetBlue Airways, KLM, Lufthansa, Scandinavian Airlines, United, Virgin Atlantic, WestJet
Popular airline
British Airways
Distance
8413 km
Average flight time
18 hours 7 mins

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