Route guide

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

Royal Flying Doctor Service flies nonstop between Chiang Khwan (ROI) and Bangkok (DMK), 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 ROI to DMK 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 ROI to DMK 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 Chiang Khwan to Bangkok 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 ROI to DMK 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 ROI to DMK on the interactive route map, with schedules, connections, and route statistics.

Airlines flying Chiang Khwan to Bangkok nonstop

Carriers operating ROI to DMK 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 ROI to DMK

How far is Bangkok from Chiang Khwan?
ROI to DMK 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 ROI to DMK?
Royal Flying Doctor Service is currently the only airline flying ROI to DMK nonstop. 2LNR tracks confirmed upgrade and award space on every Royal Flying Doctor Service departure.
How many flights a week are there from ROI to DMK?
About 28 nonstop flights a week run between Chiang Khwan and Bangkok 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 ROI to DMK?
Open the ROI to DMK calendar on this page to see confirmed upgrade and award space by date. You can also set an alert on the Chiang Khwan to Bangkok route, and 2LNR will notify you when space opens. It's free to start.

Never miss ROI to DMK upgrade or award space

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