| when to buy airfare | 1.16 | 0.9 | 3278 | 19 | 81 |
| when to buy airfare to japan | 0.2 | 0.4 | 5578 | 28 | 42 |
| when to buy airfare tickets | 0.89 | 0.4 | 1472 | 27 | 26 |
| when is the best time to buy airfare | 0.11 | 0.6 | 6163 | 36 | 91 |
| airfare tracker when to buy | 0.03 | 0.3 | 6682 | 27 | 33 |
| when is the best time to buy airfare tickets | 1.28 | 0.8 | 1647 | 44 | 85 |
| airfare trends when to buy | 1.3 | 0.1 | 5998 | 26 | 76 |
| when is the best time to buy domestic airfare | 1.58 | 0.9 | 5259 | 45 | 94 |
| when is the cheapest time to buy airfare | 0.36 | 1 | 9253 | 40 | 42 |
| when is the best time to buy cheap airfare | 0.21 | 1 | 3438 | 42 | 25 |
| when is airfare the cheapest to buy | 0.71 | 0.8 | 8778 | 35 | 69 |
| best time to buy flights to japan | 0.47 | 0.9 | 1291 | 33 | 58 |
| cheapest time to buy flights to japan | 1.12 | 0.3 | 5671 | 37 | 92 |
| when to book flights to japan | 1.67 | 0.4 | 493 | 29 | 24 |
| when to buy tickets to japan | 1.16 | 0.8 | 3573 | 28 | 9 |
| when is cheapest to fly to japan | 0.84 | 0.5 | 1516 | 32 | 67 |
| when are flights cheapest to japan | 0.41 | 1 | 4165 | 34 | 19 |
| cheapest months to fly to japan | 0.75 | 0.6 | 5140 | 31 | 72 |
| best time to buy tickets to japan | 1.34 | 1 | 9755 | 33 | 79 |
