Buy Flyer — Miles

: If you are a few thousand miles short of a specific flight and need to book immediately.

: During sales where airlines offer 80% to 150% bonuses or steep discounts. When to Avoid Buying buy flyer miles

: When the cost to buy miles is significantly lower than the cash price of a ticket, common for international Business or First Class. : If you are a few thousand miles

A Beginner’s Guide To Air Miles: How They Work | Trtl Travel UK buy flyer miles

: For standard domestic economy flights, the cash price is almost always cheaper than buying the equivalent miles.

: Factor in that even with "free" miles, you must still pay taxes and carrier-imposed fuel surcharges, which can sometimes exceed the ticket's cash value. Step-by-Step Buying Process