Cheap flights from Sydney to Key West

View AU$1,521 flight on Sat, 25 Oct. 2025Opens in a new window

  • 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 Sydney (SYD) to Key West (EYW)

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
Sat., 25 Oct. - Sat., 15 Nov.
SYD
Sydney
EYW
Key West
AU$2,334 Return, found 5 hours ago
AU$2,334
Return
found 5 hours ago
Select Delta flight, departing Sat., 25 Oct. from Sydney to Key West, returning Sat., 15 Nov., priced at AU$2,334 found 5 hours ago
United
Sat., 25 Oct. - Sat., 15 Nov.
SYD
Sydney
EYW
Key West
AU$2,394 Return, found 5 hours ago
AU$2,394
Return
found 5 hours ago
Select United flight, departing Sat., 25 Oct. from Sydney to Key West, returning Sat., 15 Nov., priced at AU$2,394 found 5 hours ago
Delta
Sat., 25 Oct. - Sat., 15 Nov.
SYD
Sydney
EYW
Key West
AU$2,409 Return, found 5 hours ago
AU$2,409
Return
found 5 hours ago
Select Delta flight, departing Sat., 25 Oct. from Sydney to Key West, returning Sat., 15 Nov., priced at AU$2,409 found 5 hours ago
Jetstar
Sat., 1 Mar. - Sat., 8 Mar.
SYD
Sydney
EYW
Key West
AU$2,599 Return, found 4 days ago
AU$2,599
Return
found 4 days ago
Select Jetstar flight, departing Sat., 1 Mar. from Sydney to Key West, returning Sat., 8 Mar., priced at AU$2,599 found 4 days ago
Qantas Airways
Wed., 26 Mar. - Wed., 2 Apr.
SYD
Sydney
EYW
Key West
AU$2,608 Return, found 23 hours ago
AU$2,608
Return
found 23 hours ago
Select Qantas Airways flight, departing Wed., 26 Mar. from Sydney to Key West, returning Wed., 2 Apr., priced at AU$2,608 found 23 hours ago
Qatar Airways
Tue., 25 Mar. - Tue., 1 Apr.
SYD
Sydney
EYW
Key West
AU$2,881 Return, found 23 hours ago
AU$2,881
Return
found 23 hours ago
Select Qatar Airways flight, departing Tue., 25 Mar. from Sydney to Key West, returning Tue., 1 Apr., priced at AU$2,881 found 23 hours ago
*Available to Expedia members.