| when are flights cheapest to buy | 1.61 | 0.5 | 3814 | 32 | 78 |
| when are flights cheapest to book | 0.38 | 0.4 | 9875 | 33 | 2 |
| when are flights cheapest to book uk | 0.83 | 0.5 | 3836 | 36 | 43 |
| when is the cheapest time to buy flights | 1.99 | 0.7 | 1356 | 40 | 94 |
| cheapest time to buy flights | 0.39 | 0.7 | 3828 | 28 | 47 |
| cheapest day to buy flights | 1.78 | 0.7 | 7405 | 27 | 60 |
| cheapest day of the week to buy flights | 1.75 | 0.2 | 397 | 39 | 34 |
| when is it cheapest to buy flights | 0.16 | 0.1 | 3855 | 34 | 71 |
| cheapest time to buy international flights | 1.62 | 0.1 | 1906 | 42 | 66 |
| buy cheapest flights | 1.26 | 0.3 | 1555 | 20 | 88 |
| cheapest days and times to buy flights | 1.65 | 0.1 | 7501 | 38 | 69 |
