Cheapest return flights from Phoenix (PHX) to London (LHR), September

Select a price to book. see full year.

Dates, airline, and price
Dates Airline Price
02 Sep 07 Sep Allegiant Air
12 Sep 21 Sep Frontier Airlines
11 Sep 21 Sep Frontier Airlines
15 Sep 21 Sep Frontier Airlines
01 Sep 09 Sep Frontier Airlines
02 Sep 09 Sep Allegiant Air
07 Sep 18 Sep Allegiant Air
08 Sep 15 Sep jetBlue
27 Sep 09 Oct Air France
30 Sep 08 Oct Air France
11 Sep 27 Sep Frontier Airlines
05 Sep 18 Sep Frontier Airlines
19 Sep 06 Oct Delta
27 Sep 09 Oct British Airways
Direct Flight
30 Sep 08 Oct British Airways
Direct Flight
19 Sep 06 Oct British Airways
Direct Flight
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deals for one-way flights from Phoenix to London in September.

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Updated Jul 7, 2026.

About these fares

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