Revision of Google Flights from Tue, 07/03/2018 - 14:34

Revisions allow you to track differences between multiple versions of your content, and revert back to older versions.

gfl
Examples: 
gfl txl, lpa, fr, 30
Search for round trips from Berlin Tegel to Las Palmas, departing next Friday, returning on the 30th of this month
URL: 
https://www.google.com/flights/#flt={%from IATA code|transform=uppercase}.{%to IATA code|transform=uppercase}.{%departure date|type=date}*{%to IATA code|transform=uppercase}.{%from IATA code|transform=uppercase}.{%arrival date|type=date}