Seats.aero allows you to quickly search for international award flights that are bookable via frequent-flyer programs and credit card points. Look around below, use our search tool, or check out the about page!
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Only showing availability departing IAD and arriving at LIS. Show all flights.
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|Date||Last Checked||Origin Airport||Destination Airport||Economy||Business||First|
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Not affiliated with any airline. Data is periodically refreshed and might not be up to date. 48d0f680/iad/sjc