How to Fly United Polaris With Points

By Bryce Casson, Founder · Cardocrat · Updated June 2026

The short answer: United Polaris is United lie-flat business class, and like Delta, the trick is that United own MileagePlus prices it dynamically, while Star Alliance partners like Air Canada Aeroplan, ANA, and Avianca LifeMiles can book the same Polaris seat on a fixed chart, often for fewer miles.

What United Polaris is

Polaris is United international and premium-transcontinental business class, with lie-flat seats, direct aisle access, and a strong soft product including Polaris lounges. It flies to Europe, Asia, and across the US, and it is widely available, which makes how you book it the main lever on cost.

Partners often beat MileagePlus

United MileagePlus has no fixed award chart and prices Polaris dynamically, which can be expensive on popular dates. Star Alliance partners still use charts: Air Canada Aeroplan, ANA Mileage Club, and Avianca LifeMiles can book the same Polaris seat for a fixed, often lower price. These programs draw from flexible bank points, and Rove feeds several Star Alliance partners. See our Aeroplan guide and transfer partners guide.

Finding the space

United releases plenty of Polaris saver space that partners can see, so search the award space, then price it through Aeroplan, ANA, or LifeMiles versus MileagePlus to find the cheapest path, mindful of any surcharges. See finding award space and best business class redemptions.

Who it is for

Polaris on points suits travelers who want lie-flat United seats without overpaying MileagePlus, by booking through a Star Alliance partner chart. Confirm saver space, then transfer to the program that prices it best. Award prices and availability change constantly as programs devalue and adjust, so treat every points figure here as a rough, illustrative guide rather than a guarantee. Always confirm the current price and that an award seat is actually available on the airline own site before you transfer points, since transfers are one-way and cannot be reversed.

Frequently asked questions

What is the cheapest way to book United Polaris?

Often a Star Alliance partner, not United MileagePlus. Air Canada Aeroplan, ANA Mileage Club, and Avianca LifeMiles can book the same Polaris seat on a fixed chart for fewer miles than MileagePlus dynamic pricing.

Why is United Polaris expensive with MileagePlus?

Because MileagePlus has no fixed award chart and prices Polaris dynamically, so popular dates cost more miles. Partner programs that still use charts can book the identical seat for less.

Which partners book United Polaris?

Star Alliance partners such as Air Canada Aeroplan, ANA Mileage Club, and Avianca LifeMiles. They draw from flexible bank points, and Rove feeds several of them, so the miles are reachable.

Is United Polaris award space easy to find?

Yes, United typically releases ample saver Polaris space that partners can see, so the main task is pricing it through the cheapest program rather than hunting for seats.

Which United aircraft has Polaris?

Only widebodies, the 767, 777, and 787. United narrowbody domestic first and business is not Polaris and has no lie-flat Polaris seat, so confirm a widebody before you transfer or you will not get a flat bed.