What happens if my plans change and I’ve already taken a COVID-19 test?
If you’ve already taken a COVID-19 test and your flight has been rescheduled to a later time, your test may still be valid, depending on your destination requirements. Check with your airline for information about destination requirements. If you’re still within the accepted testing window, your test may be valid for
your flight.
Refer to your airline policies on COVID-19 testing fees in the event of flight cancellation or rescheduling.