| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| chicago to boston flights southwest | 1.11 | 0.9 | 5564 | 24 |
| cheap flights boston to chicago southwest | 0.98 | 0.2 | 4650 | 50 |
| southwest airlines flights chicago to boston | 1.17 | 0.2 | 4479 | 85 |
| southwest flights boston to chicago midway | 0.9 | 0.8 | 2923 | 36 |
| cheap flights to boston from chicago | 0.27 | 0.8 | 904 | 23 |
| cheap flights boston to chicago next week | 1.9 | 0.7 | 7350 | 98 |
| cheap flights from boston to chicago today | 1.03 | 0.6 | 8383 | 42 |
| cheapest flights to chicago from boston | 1.11 | 0.8 | 4739 | 6 |
| flights to boston from chicago | 0.83 | 0.3 | 4226 | 66 |
