The airline plans to operate up to 53 routes to 46 cities from Don Mueang Airport between October and December 2026. Suvarnabhumi Airport will also see added flights during the period, giving travelers more ways to reach Thailand and connect onward from Bangkok.

New Thai AirAsia Routes for December Travel

Thai AirAsia's December high season schedule adds new international routes and more domestic frequencies from Bangkok. The new Thai AirAsia routes for December travel include flights to Japan, India and ASEAN cities, alongside extra departures on popular domestic routes.

Quick answer: New Thai AirAsia routes for December travel run mainly from Don Mueang Airport in Bangkok, covering Japan, India and ASEAN destinations. The airline plans up to 53 routes to 46 cities between October and December 2026, with some domestic flights also returning to Suvarnabhumi Airport.

![A Thai AirAsia plane parked at Don Mueang Airport with high-season travel signage visible]

Don Mueang as Bangkok's Low-Cost Travel Hub

Don Mueang (DMK) is Thai AirAsia's main base in Bangkok and will handle most of the December high season's added flights. From 1 October, the carrier is scaling up both international and domestic services to match demand for holidays, school breaks and long weekends. Suvarnabhumi Airport (BKK) will also play a role, with several domestic routes returning there during the same period.

Where Thai AirAsia Is Adding Routes This December

Japan routes (Thai AirAsia X)

• •Sapporo: starts 1 October at 4 times per week, increasing to 7 times per week from 1 December.
• •Nagoya: resumes 2 October at 4 times per week.
• •Tokyo and Osaka: continue with increased frequencies through the period.

These winter routes target travelers heading to northern Japan for snow festivals and ski seasons, with Don Mueang as the main Bangkok departure point.

![Winter scene in Sapporo with snow and city lights for the new AirAsia X route]

India and ASEAN route resumptions

• •Don Mueang-Kuala Lumpur and Phuket-Siem Reap resume on 25 October.
• •India services restart with Gaya on 25 October and Ahmedabad on 6 November, followed by Guwahati, Hyderabad, Lucknow and Jaipur in early November.

This wave of resumptions reconnects Bangkok with key pilgrimage, business and leisure markets just before the peak December travel window.

![Kuala Lumpur city skyline with Petronas Towers representing the relaunched Don Mueang-Kuala Lumpur route]

Domestic network and Suvarnabhumi restart

• •Don Mueang domestic flights will reach up to 135 departures per day at peak.
• •From 1 October, Suvarnabhumi Airport will again serve Chiang Mai, Phuket and Krabi on Thai AirAsia, adding a second Bangkok airport option for these three cities.

Travelers can now choose between DMK and BKK depending on fare, schedule and which side of Bangkok they are staying in. For first-time visitors, our Bangkok travel planning tips cover airport transfers, MRT and BTS basics and area guides.

When to Book and How to Avoid Sold-Out Flights

High-season fares on these routes tend to rise quickly, especially for Japan and major Indian cities. If you are targeting late December travel, aim to book by mid-October to lock in lower fares and better seat choices. Building some flexibility into your travel dates can also help if a preferred flight sells out first.

Because schedules can shift with weather and operational factors, always re-check your flight time and terminal on the airline's official channels before heading to the airport. For ground transport, our airport transfer service page explains private car options from both Don Mueang and Suvarnabhumi to central Bangkok and nearby provinces.

If you are building a multi-city itinerary that mixes flights with overland travel, you may also want to compare options for train, bus, and ferry tickets to connect from Bangkok to other Thai destinations after your flight lands.

Want help planning this trip? Browse AsiaBuddy's Thailand tour packages.

Frequently Asked Questions

Which airport in Bangkok does Thai AirAsia use for most new routes?

Most new and expanded Thai AirAsia international routes operate from Don Mueang (DMK), with a smaller set of domestic flights also restarting from Suvarnabhumi (BKK) to Chiang Mai, Phuket and Krabi from 1 October.

When do the Sapporo and Nagoya flights start?

Sapporo flights begin on 1 October at 4 times per week, then increase to 7 times per week from 1 December. Nagoya services resume on 2 October at 4 times per week.

Which Indian cities are getting new or resumed Thai AirAsia flights?

Gaya restarts on 25 October and Ahmedabad on 6 November, with Guwahati, Hyderabad, Lucknow and Jaipur following in early November from Don Mueang.

Are Phuket-Siem Reap and Don Mueang-Kuala Lumpur flights back?

Yes. Both the Phuket-Siem Reap and Don Mueang-Kuala Lumpur routes resume on 25 October as part of the high-season network expansion.

How can I get from Don Mueang or Suvarnabhumi to my hotel?

Travelers can use public transport, taxis or a pre-booked private transfer for either airport. AsiaBuddy arranges car rental and airport transfers directly, with no deposit required.