If you're flying with Thai Airways, it's helpful to know how early you can check in so you can start your journey with ease and confidence. Thai Airways offers online check-in beginning 48 hours before scheduled departure for most of its flights, which is especially convenient for travelers looking to avoid airport lines. This online service is accessible via the Thai Airways website or mobile app. Just enter your booking reference and last name, and you'll be guided through each step: verifying your flight details, selecting or changing your seat, and uploading any necessary travel documents—like passport info for international trips. The online system issues your boarding pass immediately, which you can either download to your phone or print at home. This makes the process seamless, especially if you're traveling with carry-on luggage only, as it lets you go straight to security when you arrive at the airport.
For passengers who have checked baggage, online check-in is still extremely helpful—it allows you to skip the regular check-in counter and proceed directly to the bag-drop area. These counters typically open about 3 hours before international flights and 2 hours before domestic or regional departures. Thai Airways recommends arriving at least 3 hours before international flights and about 2 hours before domestic flights to ensure ample time for baggage drop, security screenings, and navigating the terminal without rushing.
If you prefer not to check in online or need help at the airport, Thai Airways offers self-service kiosks at most major airports. These kiosks allow you to check in, choose your seat, print your boarding pass, and get baggage tags. You can then go directly to the baggage drop line. Many travelers find these kiosks faster than counter check-in as they reduce wait times and allow more time to prepare for departure.
When you need personalized assistance—such as for traveling with infants, pets, or requesting wheelchair support—airport check-in counters are the best option. These counters usually open around the same time as the bag-drop and self-service kiosks and close about 60 minutes before international flights and 45 minutes before domestic flights. Staff at these counters can help with complicated itineraries, visa or document issues, and seating arrangements, making your journey smoother and more comfortable.
It’s important to note that if you’re flying on a codeshare flight operated by a partner airline, the check-in times and procedures may vary. In those cases, follow the guidelines of the operating carrier to make sure you check in within the correct window.
Early check-in with Thai Airways gives many advantages: the ability to choose better seats, avoid long lines, and reduce stress on the day of travel. The airline also sends helpful reminders via email or app notifications when the check-in window opens, which is great to ensure you don’t miss your chance to secure a comfortable seat.
In short, Thai Airways allows online check-in from 48 hours before departure, with bag-drop and counters opening 2 to 3 hours before flight time, and check-in officially closing 45 to 60 minutes before departure depending on the route. Whether you prefer online check-in, kiosk convenience, or face-to-face assistance, arriving early and checking in as soon as possible ensures a relaxed and efficient start to your journey.