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Korean Air Online Check-In (2026)

Last updated: April 2026 · Source: Korean Air official website

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Quick Answer

Korean Air online check-in opens 48 hours before departure (24 hours for US/Canada) and closes 30 minutes before domestic flights and 1 hour before international flights. You can check in via their website or mobile app and receive a mobile boarding pass.

Check-In Window

Opens
48 hours before departure (24 hours for US/Canada flights)
Closes
30 minutes before departure for domestic flights, 1 hour before departure for international flights

How to Check In Online — Step by Step

  1. 1Visit koreanair.com or open the Korean Air app.
  2. 2Enter your booking reference or ticket number and departure date.
  3. 3Select passengers to check in.
  4. 4Select or change your seat.
  5. 5Receive your boarding pass via email or mobile.
Go to Korean Air Check-In →

Check-In Methods

Online (Website)https://www.koreanair.com/check-in
Mobile App✓ Korean Air My (iOS, Android)
Mobile Boarding Pass✓ Accepted
Airport Kiosk✓ Available at most airports

Documents Required

Booking reference or ticket number, passport for international flights, visa if required for destination

Seat Selection at Check-In

Seat selection and changes are available during online check-in based on preference.

International Flight Check-In

Passport information must be entered accurately. Online check-in opens 48 hours before departure (24 hours for US/Canada) and closes 1 hour before departure. Passengers requiring an entry visa to their destination may not be eligible for online check-in.

Group & Family Check-In

Passengers with confirmed bookings can check in online together if they are on the same reservation.

Troubleshooting Common Issues

  1. 1'Unable to check in online' - May require airport staff confirmation (e.g., unaccompanied minors, traveling with pets) or entry visa verification.
  2. 2'Session expired' - The system automatically logs out after 40 minutes of inactivity.
  3. 3'Boarding pass not issued' - May happen for passengers accompanying infants on certain routes or children under 12 on specific flights.

Pro Tips

Korean Air offers an 'Auto Check-in' feature where passengers can sign up up to 48 hours before departure, and the system will automatically check them in 24 hours before the flight. Online check-in for US and Canada flights opens 24 hours before departure, unlike the standard 48 hours for other international flights.

Frequently Asked Questions

Can I check in online for US flights?▼
Yes, online check-in for US/Canada flights opens 24 hours before departure.
Can I change my seat during online check-in?▼
Yes, you can select or change your seat based on your preference before the online check-in deadline.
What if I have checked baggage?▼
You can use the self-service bag drop or airport counter after checking in online.

More Korean Air Information

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Baggage Policy
Fees, limits & rules
🐾
Pet Policy
Cabin & cargo rules
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Compare All Airlines
Check-in timing comparison

Related Airlines — Online Check-In

Singapore Airlines
Opens: 48 hours before departure
Cathay Pacific
Opens: 48 hours before departure for Cathay members and oneworld members
ANA (All Nippon Airways)
Opens: 24 hours before departure
Japan Airlines
Opens: 24 hours before departure
Asiana Airlines
Opens: 48 hours before departure for international flights (24 hours prior to departure for U
Thai Airways
Opens: 24 hours before departure

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