Due to multiple factors, expect to potentially pay more when booking in January. For low rates, August can be a great choice for travel to Adelaide. Flights to Adelaide from Seattle in August are about C$ 1,538 on average during August, but can be found for as low as C$ 1,230.
When flying from Seattle to Adelaide, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Information is based on travel restrictions from Seattle/Tacoma Intl to Adelaide
Most visitors from Seattle/Tacoma Intl will not be allowed to enter Adelaide.
COVID-19 testing requirements
Visitors from Seattle/Tacoma Intl must present a negative RT-PCR (NAAT) test taken 72 hours before departing to Adelaide.
Quarantine requirements
Visitors from Seattle/Tacoma Intl are not required to quarantine after entering Adelaide.
Documents
Travel Authorization Form - Travelers who are not in an exempt category may request an individual exemption to Australia's travel restrictions using this form.
Returning to Seattle/Tacoma Intl from Adelaide
COVID-19 testing requirements
Visitors from Adelaide must present a negative RT-PCR (NAAT) test taken 72 hours before departing to Seattle/Tacoma Intl.
Quarantine requirements
Visitors from Adelaide are not required to quarantine after entering Seattle/Tacoma Intl.