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Cheapest one-way flights from Houston (IAH) to London (LGW), September

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Dates, airline, and price
Dates	Airline	Price
29 Sep	Frontier Airlines
02 Sep	jetBlue
07 Sep	WestJet
01 Sep	jetBlue
15 Sep	Frontier Airlines
08 Sep	Frontier Airlines
28 Sep	Frontier Airlines
19 Sep	Frontier Airlines
06 Sep	jetBlue
14 Sep	Frontier Airlines

deals for return flights from Houston to London in September.

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Updated May 21, 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 Houston (IAH) to London (LGW), September

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