Route guide

Bangkok to Chiang Khwan (DMK-ROI): Nonstop Upgrade & Award Space

Royal Flying Doctor Service flies nonstop between Bangkok (DMK) and Chiang Khwan (ROI), roughly 28 times a week. With Royal Flying Doctor Service operating this route so often, premium seats still turn over daily, and upgrade or award space can open and close within hours. 2LNR tracks confirmed availability on every DMK to ROI departure, so you know which flights have space before you book.

Data current as of July 21, 2026, refreshed on an ongoing basis as new schedules and seats are confirmed.

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28
Nonstop flights a week
261 mi
Nonstop distance
Free
To get started

Confirmed upgrade & award space on every DMK to ROI departure

2LNR tracks confirmed upgrade and award availability on American, Delta, and Alaska and across 30 airlines, segment by segment, date by date. Open the calendar for Bangkok to Chiang Khwan to see which departures have real space, or watch the route and get alerted when space opens.

See real availability

Confirmed upgrade and award seats on each DMK to ROI departure, checked against live inventory so you know what is open before you book.

Set an alert

Premium inventory turns over fast. Watch this route and 2LNR notifies you when space appears on a date you are tracking.

Plan on the map

See DMK to ROI on the interactive route map, with schedules, connections, and route statistics.

Airlines flying Bangkok to Chiang Khwan nonstop

Carriers operating DMK to ROI nonstop in the current schedule. 2LNR tracks confirmed upgrade and award space on each of them.

  • Royal Flying Doctor Service
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Frequently asked questions about DMK to ROI

How far is Chiang Khwan from Bangkok?
DMK to ROI covers about 261 miles nonstop. Flight times vary by aircraft and season; each scheduled departure on this page lists its own times.
Which airlines fly nonstop from DMK to ROI?
Royal Flying Doctor Service is currently the only airline flying DMK to ROI nonstop. 2LNR tracks confirmed upgrade and award space on every Royal Flying Doctor Service departure.
How many flights a week are there from DMK to ROI?
About 28 nonstop flights a week run between Bangkok and Chiang Khwan in the current schedule, operated by Royal Flying Doctor Service. Frequency shifts by season; the calendar on this page reflects what's currently scheduled.
How do I check upgrade or award availability on DMK to ROI?
Open the DMK to ROI calendar on this page to see confirmed upgrade and award space by date. You can also set an alert on the Bangkok to Chiang Khwan route, and 2LNR will notify you when space opens. It's free to start.

Never miss DMK to ROI upgrade or award space

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