Flight Scan - Google Flights Tool is a search tools chrome extension. it's a free extension , it has 41 active users since released its first version, it earns an average rating of 5.00 from 1 rated user, last update is 1741 days ago.
Click on the icon and you will be presented with travel aggregate websites that you can toggle on or off, choosing whether to see a flight comparison from that site or not. When you go to Google Flights, find a flight and click on that particular flight, a popup window at the top right of your browser will appear with a button that says "Compare". If you click this button, it will create a new tab for each site you have toggled ON and it will automatically search each site for the same flight you have up on Google Flights.
You could download the latest version crx file or older version files and install it.
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You could find more help information from flight scan - google flights tool support page.
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