This award availability is for travel on April 28, 2026, from Los Angeles (LAX) to London Heathrow (LHR). At 40,000 miles, it's a solid discount compared to the roughly 70,000 miles American typically charges for Premium Economy on this transatlantic route.
The catch here is the taxes and fees: you'll pay $709 on top of the miles. That's standard for award tickets into London, where carrier surcharges remain high. Still, if you have AAdvantage miles to burn and value the extra legroom and service that Premium Economy offers on a 10-plus hour flight, the math can work in your favor.
Only 2 seats are showing at this price, so this is best suited for a solo traveler or a couple. Larger families will need to look elsewhere or book supplemental economy seats.
One practical tip: if you're on the fence, check whether your AAdvantage miles are expiring soon or whether you have a co-branded credit card that earns miles you'd like to put to use. Premium Economy can make a real difference on overnight flights to Europe, especially if you're landing and heading straight into a full day.
How to book
Search and book directly through American Airlines: https://www.aa.com/booking/choose-flights/1