Route guide

Heho to Mae Sai (HEH-THL): Nonstop Upgrade & Award Space

Maxair flies the HEH to THL 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 HEH to THL 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.

See HEH to THL on the interactive map Get started free
4
Nonstop flights a week
204 mi
Nonstop distance
Free
To get started

Confirmed upgrade & award space on every HEH to THL 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 Heho to Mae Sai 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 HEH to THL 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 HEH to THL on the interactive route map, with schedules, connections, and route statistics.

Airlines flying Heho to Mae Sai nonstop

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

  • Maxair
See HEH to THL on the interactive map →

Frequently asked questions about HEH to THL

How far is Mae Sai from Heho?
HEH to THL covers about 204 miles nonstop. Flight times vary by aircraft and season; each scheduled departure on this page lists its own times.
Which airlines fly nonstop from HEH to THL?
Maxair is currently the only airline flying HEH to THL nonstop. 2LNR tracks confirmed upgrade and award space on every Maxair departure.
How many flights a week are there from HEH to THL?
About 4 nonstop flights a week run between Heho and Mae Sai in the current schedule, operated by Maxair. Frequency shifts by season; the calendar on this page reflects what's currently scheduled.
How do I check upgrade or award availability on HEH to THL?
Open the HEH to THL calendar on this page to see confirmed upgrade and award space by date. You can also set an alert on the Heho to Mae Sai route, and 2LNR will notify you when space opens. It's free to start.

Never miss HEH to THL upgrade or award space

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

Get started free