Cheap flights from Sterling to Cusco

View AU$348 flight on Wed, 8 Oct. 2025Opens in a new window

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Cheap Flights from Sterling (WAS) to Cusco (CUZ)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Thu, 4 Sep. - Thu, 11 Sep.
DCA
Washington
CUZ
Cusco
AU$736 Return, found 2 days ago
AU$736
Return
found 2 days ago
Select Delta flight, departing Thu, 4 Sep. from Washington to Cusco, returning Thu, 11 Sep., priced at AU$736 found 2 days ago
Delta
Thu, 4 Sep. - Thu, 11 Sep.
DCA
Washington
CUZ
Cusco
AU$850 Return, found 2 days ago
AU$850
Return
found 2 days ago
Select Delta flight, departing Thu, 4 Sep. from Washington to Cusco, returning Thu, 11 Sep., priced at AU$850 found 2 days ago
LATAM Airlines Group
Thu, 4 Sep. - Thu, 11 Sep.
DCA
Washington
CUZ
Cusco
AU$873 Return, found 2 days ago
AU$873
Return
found 2 days ago
Select LATAM Airlines Group flight, departing Thu, 4 Sep. from Washington to Cusco, returning Thu, 11 Sep., priced at AU$873 found 2 days ago
Delta
Thu, 4 Sep. - Thu, 11 Sep.
DCA
Washington
CUZ
Cusco
AU$874 Return, found 2 days ago
AU$874
Return
found 2 days ago
Select Delta flight, departing Thu, 4 Sep. from Washington to Cusco, returning Thu, 11 Sep., priced at AU$874 found 2 days ago
LATAM Airlines Group
Thu, 4 Sep. - Thu, 11 Sep.
DCA
Washington
CUZ
Cusco
AU$899 Return, found 2 days ago
AU$899
Return
found 2 days ago
Select LATAM Airlines Group flight, departing Thu, 4 Sep. from Washington to Cusco, returning Thu, 11 Sep., priced at AU$899 found 2 days ago
American Airlines
Thu, 4 Sep. - Thu, 11 Sep.
DCA
Washington
CUZ
Cusco
AU$969 Return, found 2 days ago
AU$969
Return
found 2 days ago
Select American Airlines flight, departing Thu, 4 Sep. from Washington to Cusco, returning Thu, 11 Sep., priced at AU$969 found 2 days ago

Find the cheapest month to fly from Washington (DCA) to Cusco (CUZ)

September is typically the cheapest month to fly

From AU$806 - AU$1,189 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.