Route guide

Khlong Hoi Khong to Udon Thani (HDY-UTH): Nonstop Upgrade & Award Space

Thai Lion Mentari flies the HDY to UTH nonstop about 4 times a week. That's enough service to give you a real choice of departures, though premium seats don't sit unclaimed for long. 2LNR watches every HDY to UTH departure for confirmed upgrade and award space and can alert you when a date you're tracking opens up.

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

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4
Nonstop flights a week
740 mi
Nonstop distance
Free
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Confirmed upgrade & award space on every HDY to UTH 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 Khlong Hoi Khong to Udon Thani 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 HDY to UTH 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 HDY to UTH on the interactive route map, with schedules, connections, and route statistics.

Airlines flying Khlong Hoi Khong to Udon Thani nonstop

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

  • Thai Lion Mentari
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Frequently asked questions about HDY to UTH

How far is Udon Thani from Khlong Hoi Khong?
HDY to UTH covers about 740 miles nonstop. Flight times vary by aircraft and season; each scheduled departure on this page lists its own times.
Which airlines fly nonstop from HDY to UTH?
Thai Lion Mentari is currently the only airline flying HDY to UTH nonstop. 2LNR tracks confirmed upgrade and award space on every Thai Lion Mentari departure.
How many flights a week are there from HDY to UTH?
About 4 nonstop flights a week run between Khlong Hoi Khong and Udon Thani in the current schedule, operated by Thai Lion Mentari. Frequency shifts by season; the calendar on this page reflects what's currently scheduled.
How do I check upgrade or award availability on HDY to UTH?
Open the HDY to UTH calendar on this page to see confirmed upgrade and award space by date. You can also set an alert on the Khlong Hoi Khong to Udon Thani route, and 2LNR will notify you when space opens. It's free to start.

Never miss HDY to UTH upgrade or award space

Track confirmed availability, set alerts, and book with confidence. Free to start, no credit card required.

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