This routing from LAX to LHR in Premium Economy would normally run you around 70,000 AAdvantage miles, so 40,000 miles represents solid value if you have the flexibility to travel on April 9, 2026. Keep in mind that taxes and fees on transatlantic awards can be steep—this one comes with $709 in carrier surcharges, which is fairly typical for flights touching the UK.
Premium Economy on this route offers a wider seat, better legroom, and improved meal service compared to the main cabin, making it a reasonable upgrade for a long overnight flight to Europe. For families splitting up bookings across multiple award tickets, this could be a good option for one traveler.
Availability is limited to just one seat, so this is best suited for solo travelers or those comfortable booking individual family members on separate itineraries. Award space at this level doesn't last long, particularly with only a single seat showing.
If you're short on AAdvantage miles, remember that you can transfer Bilt Rewards points to American at a 1:1 ratio, though transfers can take up to 24 hours to process.
How to book
Search and book directly through American Airlines at aa.com. Log into your AAdvantage account, select your dates, and look for the SAAver or Web Special award option.