United Airlines is offering a buy miles promotion where you can get up to a 50% discount (equivalent to a 100% bonus), bringing the cost down to as low as 1.88 cents per mile. However, it appears the offer may vary by account, so log in through the link below to check your targeted offer. If you have definite travel plans, this could be worth considering, as this is about as good as it gets for buying miles (the previous best was also a 100% bonus). You must log in to your account to see your exact offer. The promotion expires on August 20.
The tiers are as follows:
- Buy 0 – 4,000 miles – no bonus
- Buy 5,000 – 39,000 miles – 40% discount
- Buy 40,000 or more miles – 50% discount (1.88c/p)
For ways to use UA miles, see our updated article
The best UA offer is a 100% bonus (that is, 50% off). Recent bonus history is shown below.
| Bonus | Cost | Expiration Date | Details | Purchase Link | |
|---|---|---|---|---|---|
| UA | 100% | 1.88 c/p | 2026.8.20 | UA buy miles promotion | UA buy miles link |
| IHG | 100% | 0.5 c/p | 2026.8.17 | IHG buy points promotion | IHG buy points link |
| Alaska (Atmos) | 100% | 1.88 c/p | 2026.8.20 | Alaska buy miles promotion | Alaska buy miles link |
| Hilton | 100% | 0.5 c/p | 2026.9.25 | Hilton buy points promotion | Hilton buy points link |
| Marriott | 40% | 0.89 c/p | 2026.6.26 | Marriott buy points promotion | Marriott buy points link |
| Aeroplan | 110% | 1.3 c/p | 2026.5.31 | Air Canada buy points promotion | Aeroplan buy points link |
| Virgin Atlantic | 70% | 1.2-1.48 c/p | 2026.3.31 | VS buy points promotion | Virgin Atlantic buy points link |
| Lufthansa | 60% | 1.3 c/p | 2026.5.31 | Lufthansa buy miles promotion | Lufthansa buy miles link |