Cheap flights from Washington to Swan Valley

View AU$1,216 flight on Tue, 19 Aug. 2025Opens in a new window

Popular airlines from Washington to Swan Valley

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 35% on select hotels after you book a flight*
  • payments icon

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap Flights from Washington (WAS) to Swan Valley (PER)

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.

Etihad Airways
Fri, 24 Oct. - Sun, 2 Nov.
IAD
Washington
PER
Perth
AU$2,420 Return, found 1 day ago
AU$2,420
Return
found 1 day ago
Select Etihad Airways flight, departing Fri, 24 Oct. from Washington to Perth, returning Sun, 2 Nov., priced at AU$2,420 found 1 day ago
Singapore Airlines
Fri, 5 Sep. - Fri, 12 Sep.
DCA
Washington
PER
Perth
AU$2,502 Return, found 2 days ago
AU$2,502
Return
found 2 days ago
Select Singapore Airlines flight, departing Fri, 5 Sep. from Washington to Perth, returning Fri, 12 Sep., priced at AU$2,502 found 2 days ago
Singapore Airlines
Fri, 5 Sep. - Fri, 12 Sep.
BWI
Baltimore
PER
Perth
AU$2,692 Return, found 3 days ago
AU$2,692
Return
found 3 days ago
Select Singapore Airlines flight, departing Fri, 5 Sep. from Baltimore to Perth, returning Fri, 12 Sep., priced at AU$2,692 found 3 days ago
Cathay Pacific
Sun, 7 Sep. - Sun, 14 Sep.
DCA
Washington
PER
Perth
AU$2,709 Return, found 8 hours ago
AU$2,709
Return
found 8 hours ago
Select Cathay Pacific flight, departing Sun, 7 Sep. from Washington to Perth, returning Sun, 14 Sep., priced at AU$2,709 found 8 hours ago
United
Fri, 5 Sep. - Fri, 12 Sep.
BWI
Baltimore
PER
Perth
AU$2,783 Return, found 3 days ago
AU$2,783
Return
found 3 days ago
Select United flight, departing Fri, 5 Sep. from Baltimore to Perth, returning Fri, 12 Sep., priced at AU$2,783 found 3 days ago
Air Canada
Sun, 7 Sep. - Sun, 14 Sep.
DCA
Washington
PER
Perth
AU$3,003 Return, found 8 hours ago
AU$3,003
Return
found 8 hours ago
Select Air Canada flight, departing Sun, 7 Sep. from Washington to Perth, returning Sun, 14 Sep., priced at AU$3,003 found 8 hours ago
*Available to Expedia members.