| Clue | Source | Date |
|---|---|---|
| Rising cost | Newsday | 30 Mar 2024 |
| The going rate? | Wall Street Journal | 25 Feb 2023 |
| Cost of a flight | Newsday | 01 May 2022 |
| Flier's concern | The Washington Post | 06 Sep 2020 |
| Flier's concern | LA Times Daily | 06 Sep 2020 |
| Going rate? | Thomas Joseph | 25 Apr 2019 |
| Cost of flying | Eugene Sheffer | 28 Jul 2017 |
| Airline ticket cost | ||
| Airline ticket cost | ||
| Airline fee | ||
| Flying fee | ||
| Airline fee | ||
| Vacationer's expense |