Route guide

Bangkok to Udon Thani (BKK-UTH): Nonstop Upgrade & Award Space

Thai Airways International, Thai Vietjet Air, Hahn Air Systems, and Royal Flying Doctor Service fly nonstop between Bangkok (BKK) and Udon Thani (UTH), roughly 64 times a week. Because so many carriers compete on this route, premium seats turn over daily, and upgrade or award space can open and close within hours. 2LNR tracks confirmed availability on every BKK to UTH 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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64
Nonstop flights a week
289 mi
Nonstop distance
Free
To get started

Confirmed upgrade & award space on every BKK 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 Bangkok 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 BKK 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 BKK to UTH on the interactive route map, with schedules, connections, and route statistics.

Airlines flying Bangkok to Udon Thani nonstop

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

  • Thai Airways International
  • Thai Vietjet Air
  • Hahn Air Systems
  • Royal Flying Doctor Service
See BKK to UTH on the interactive map →

Frequently asked questions about BKK to UTH

How far is Udon Thani from Bangkok?
BKK to UTH covers about 289 miles nonstop. Flight times vary by aircraft and season; each scheduled departure on this page lists its own times.
Which airlines fly nonstop from BKK to UTH?
Thai Airways International, Thai Vietjet Air, Hahn Air Systems, and Royal Flying Doctor Service fly the route nonstop. 2LNR tracks confirmed upgrade and award space on all four of them.
How many flights a week are there from BKK to UTH?
About 64 nonstop flights a week run between Bangkok and Udon Thani in the current schedule, operated by Thai Airways International, Thai Vietjet Air, Hahn Air Systems, and 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 BKK to UTH?
Open the BKK to UTH calendar on this page to see confirmed upgrade and award space by date. You can also set an alert on the Bangkok to Udon Thani route, and 2LNR will notify you when space opens. It's free to start.

Never miss BKK 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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