There are many proponents of noise cancelling headphones as a tool to help reduce jet lag symptoms. You don't have to listen to music to use them. They don't block out every single noise - you'll be able to hear announcements on board for example - but they do cancel a lot of the extra noise congestion, and this is touted as helping one relax and feel less lag at the end of the jetting around.
1. Audio-Technica QuietPoint ATH-ANC3BK Noise-Canceling Headphones
These headphones receive really favorable reviews and are offered at a reasonable price starting in the $55 range.
2. JVC HA-NC250 Noise Canceling Headphones
There are a few merchants that sell these just under the $100 mark, even though others charge as much as double that.3. Coby CVE197 Noise-Canceling Isolation Earphone
This selection is in the earbud shape instead of the over-the-head variety of noise canceling headphones. Start at under $25.
4. Sony MDR-NC7 Noise Canceling Headphones
These can be purchased between the $20 and $40 mark online.5. Koss QZ77 Noise Canceling Earset
This set of noise canceling headphones is in earbud form and sells in the $40 - $60 range online.
6. Panasonic RP-HC101 Noise Canceling Headphone
This set of headphones starts at the $50 price point for sale online.
7. Kensington Noise Canceling Headphones
Well reviewed, and well priced - these headphones range in price from $25 - $40 online.8. Able Planet NC200 True Fidelity Foldable Noise Canceling Headphones
Pricier than the other choices, but still under $100, these headphones are foldable which makes them convenient for travel.