This award space covers the Miami to London Heathrow route in business class, pricing out at 57,500 AAdvantage miles plus $734 in taxes and fees. The typical going rate for this cabin and route through American's program hovers around 115,000 miles, making this a solid opportunity if you have the miles on hand and can work with the fixed travel date.

A few things to keep in mind: only two seats are showing as available, so this works for a solo traveler or a couple but won't cover a larger family in a single booking. The $734 in taxes is on the steeper side—British Airways-operated flights to the UK often carry higher surcharges—so factor that into your value calculation.

July travel to London puts you in peak summer season, when both paid fares and award availability tend to be tight. Finding business class at this price point during that window is uncommon, especially with transatlantic demand running high.

If you're flexible on the return, search for separate one-way awards to piece together your trip. And as always with limited inventory, book first and sort out the details later—AAdvantage awards can be canceled for a reasonable fee if plans change.

How to book

Search and book directly through American Airlines at aa.com. Log into your AAdvantage account, select Miami (MIA) to London (LHR), choose July 9, 2026, and filter for business class to find this availability.