Buy Miles & Elevate Your Travel
A complete evaluation of United's MileagePlus program — from buying miles and bonus promotions to redemption strategies, elite status perks, and how to maximize the value of every mile you earn or purchase.
United MileagePlus remains one of the most valuable airline loyalty programs, especially when bonus mile promotions are running. Buying miles can unlock outstanding redemption value — particularly for international business-class award tickets and last-minute domestic flights. Savvy travelers who time their purchases with promotions can consistently extract 2–4¢ per mile in value, far exceeding the purchase cost.
Editor's Rating
Launched in 1981, United MileagePlus is one of the oldest and most established airline loyalty programs in the world. With over 100 million members, it serves as the loyalty backbone for United Airlines and connects to 26 Star Alliance member airlines, giving members unparalleled access to a global network spanning more than 1,200 destinations across 195 countries.
The Buy Miles program, accessible at buymiles.mileageplus.com, allows members to purchase up to 150,000 miles per calendar year, with frequent bonus promotions that can double or even triple the base miles received. Whether you're topping off for a specific redemption, planning a dream vacation, or gifting miles to a loved one, the platform provides a straightforward way to accelerate your mileage balance.
Access to 26 partner airlines including Lufthansa, ANA, Singapore Airlines, and more — covering the entire globe.
Regular bonus mile sales offering up to 100% bonus miles, dramatically lowering the effective cost per mile.
Four Premier status levels (Silver, Gold, Platinum, 1K) with escalating benefits from complimentary upgrades to dedicated support.
Redeem for flights, upgrades, hotel stays, car rentals, merchandise, experiences, and even transfers to other members.
MileagePlus miles can be redeemed across a wide spectrum of options, each offering different value propositions. Understanding where to deploy your miles is key to maximizing return.
| Redemption Type | Key Characteristics | Best For |
|---|---|---|
| United Domestic Flights | Dynamic pricing starting around 5K miles for short-haul saver awards. Last-minute tickets often price reasonably compared to cash. | Spontaneous trips, holiday travel when cash fares spike, and short-haul routes under 700 miles. |
| International Business/First | The sweet spot for value. Transatlantic business class from 60K miles, transpacific from 80K miles on partners like ANA and Lufthansa. | Luxury-focused travelers seeking outsized value — often delivering 4–8¢ per mile in redemption value. |
| Star Alliance Partners | Access to premium cabins on carriers like Singapore Airlines, ANA, Lufthansa, and SWISS. Partner award charts remain more predictable than United's own. | Award-travel enthusiasts who understand partner routing rules and want access to hard-to-find premium award space. |
| Upgrades & Economy Plus | Use miles to upgrade paid tickets or secure Economy Plus seating with extra legroom. Mileage upgrade awards require specific fare classes. | Business travelers on employer-booked economy fares who want to upgrade with miles rather than cash. |
United MileagePlus stands as a top-tier airline loyalty program that rewards strategic engagement. Buying miles makes the most sense during bonus promotions, when the effective cost drops to a level competitive with — or better than — the cash price of premium tickets. With access to the vast Star Alliance network, no mileage expiration with activity, and the unique Excursionist Perk, MileagePlus offers compelling value for both occasional vacationers and dedicated road warriors alike.
This is an independent review. We may earn a commission when you purchase through our links. All brand names, product names, and logos are the property of their respective owners. MileagePlus is a registered trademark of United Airlines, Inc.