British Airways just kicked off its End of Summer Sale, and the fine print is refreshingly boring — which is exactly what you want from a real airfare deal instead of a mistake fare that gets pulled by lunch. Round-trip economy to London starts at $848 from Dallas for September 2026 travel, and the sale runs well past just London: Paris from $565 out of New York (Dec 2026), Rome from $611 out of Los Angeles (Nov 2026), Barcelona from $482 out of Boston (Sep 2026), and Athens from $662 out of San Francisco (Nov 2026) — actual BA metal, not a codeshare buried three connections deep.

If you've been saving up for a splurge, Business Class to London from Dallas drops to $4,879 for November travel, and there's a separate Vacation Sale knocking up to $300 off flight-plus-hotel packages booked through the same promotion. Other departure cities, dates and destinations are priced separately — these are the headline fares, not the floor for every route.

The catch, because a sale this straightforward always has one: you've got until September 23, 2026 to actually book. Prices include taxes, fees and carrier charges, and the discounted fares sit in limited booking classes, so it's first-come-first-served rather than every seat on every flight. Confirmed directly on British Airways' own site — not a forwarded email screenshot.

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