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Cheapest one-way flights from Phoenix (PHX) to London (LHR), September

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Dates, airline, and price
Dates	Airline	Price
05 Sep	Frontier Airlines
06 Sep	Frontier Airlines
07 Sep	jetBlue
25 Sep	Frontier Airlines
12 Sep	Frontier Airlines
02 Sep	jetBlue
22 Sep	Frontier Airlines
02 Sep	Finnair Direct Flight
06 Sep	Finnair Direct Flight
07 Sep	Finnair Direct Flight

deals for return flights from Phoenix to London in September.

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Updated Jul 20, 2026.

About these fares

These results come from our latest search across airlines for your currency. Prices change quickly and are not locked until you complete booking—always confirm the total and fare rules on the partner site.

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Cheapest one-way flights from Phoenix (PHX) to London (LHR), September

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