Doing online check-in avoids lines and guarantees more seat options. The process barely changes between airlines — here's the general step-by-step.
How to do it
Online check-in in 5 steps
- 01
Open check-in at the right time
Most airlines open check-in between 24 and 48 hours before the flight — check the specific window for your booking.
- 02
Have your booking reference handy
Your booking reference and an ID document are required to confirm check-in.
- 03
Choose or confirm your seat
This is your chance to change seats at no cost, if your fare allows it.
- 04
Download your boarding pass
Save the boarding pass on your phone or print it at home, depending on your departure airport's policy.
- 05
Check the recommended arrival time
Even with check-in done, arrive with the recommended lead time in case you need to check bags.
Lead time
When to check in for each type of flight
| Flight type | Check-in opens | Recommendation |
|---|---|---|
| Domestic | Up to 24h before | Do it as soon as it opens |
| International | Up to 48h before | Do it as soon as it opens |
Common questions
Frequently asked questions
Do I need to print my boarding pass?
It depends on the airport — many accept the digital pass, but it's worth having a printed version as backup.
Can I check in without checked baggage?
Yes, and in that case you can head straight to the boarding gate, skipping the counter.
What should I do if online check-in fails?
Go straight to the airline's counter at the airport, with extra time to spare, to sort it out in person.
Who wrote this
Who wrote this
Sofia Matos
Writes about the airport experience and boarding processes.
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