Flights Chiang Mai to Yangon (CNX-RGN): Airlines, THB Fares

Chiang Mai to Yangon is a short cross-border route between northern Thailand and Myanmar’s largest city. Chiang Mai and the Myanmar regions across the border share long historical and cultural ties, and the route carries business travellers, visitors to Yangon’s Buddhist sites, and people with the family and trade connections that run through the region. Around 7 flights a week — roughly daily — keep it steady.

Block time is only about an hour. The two regions share a related Theravada Buddhist culture, which gives travel between them a familiar rather than foreign feel.

Corridor profile

The CNX–RGN corridor runs about 7 departures a week across 1 carrier, with an average block time of 1.0 hours, and the lowest fare the feed returned for this route is ฿4,367. The frequency figure counts every carrier on the route combined, not any single airline.

Combined frequency is not your airline’s frequency. Those 7 weekly departures are spread across 1 carrier, and when your flight is cancelled only the airline holding your ticket owes you a seat. A rival’s empty seat on the same city pair does not help unless an interline agreement exists or you are willing to buy a second ticket. That is why a multi-carrier route is not automatically the safer one it appears to be.

“Direct” and “nonstop” are not synonyms. The 1.0-hour figure is an average gate-to-gate block time for a nonstop, taxi time included but connections, check-in and immigration excluded. In booking systems “direct” means only that the flight number does not change — a single-number flight can still put down en route to refuel or pick up passengers. The word that guarantees no intermediate landing is nonstop. Filter on that one if the clock matters.

Airlines & baggage

Baseline baggage on CNX–RGN runs 7 kg across the 1 of 1 carrier on the route for which we hold a row. These are carrier reference baselines, not entitlements attached to every ticket: cabin class, fare brand and frequent-flyer status all change the weight you actually get.

An infant fare is not a free seat. We record Thai AirAsia’s infant fare at about 15% of the adult fare. That rate is for a lap infant with no seat of its own. Want a separate seat or a car seat and it becomes a child fare, priced as a share of the full fare, and the infant’s own baggage entitlement is usually far smaller than an adult’s. Strollers normally travel outside the weight allowance, but the policy differs by carrier — confirm before you fly.

The low number in the table is not a checked allowance. The 7 kg baseline we record for Thai AirAsia belongs to an unbundled fare structure, which by design reflects the cabin entitlement. Hold baggage is sold per sector and priced by the weight tier you pick and how early you buy it. The practical effect is that the cheaper headline fare closes most of its gap the moment you add one bag. Compare totals after bag, seat and meal are selected — that is the only comparison that holds against a full-service carrier.

Airlines on this route

Thai AirAsia is the only carrier our catalogue records on CNX–RGN, at roughly 7 departures a week. A single-carrier corridor has no competing fare holding the ceiling down and no rival inventory to move you onto when a flight is cancelled.

Thai AirAsia operates Chiang Mai–Yangon. As the carrier on this route it sets the schedule and the cabin, on a low-cost model where checked baggage, seat selection and meals are charged separately. On a one-hour flight many travellers fly with cabin baggage only; when comparing fares, the figure that matters is the total once whatever you need to check is added.

Monopoly corridors price differently. With no competitor on the same city pair, the fare tracks the capacity the airline chose to fly and the season, rather than a price war. Sudden discounting is rarer, and waiting for a last-minute deal usually backfires. On this kind of route, the price you see weeks out is often the best one you will be offered.

Monthly market-low pattern (THB)

Across the 3 months in our cache the lowest recorded fares run from ฿4,354 (Sep 2026) to ฿4,759 (Aug 2026), a 9% spread. Each value is a single snapshot, not that month’s average. This corridor scores 4/10 on our own catalogue demand ranking.

Who holds the price matters. In our most recent capture the low sat with the agency Trip.com rather than the airline’s own site. Changes and refunds on an agency ticket have to go back through that agency first, and when a flight is cancelled the re-route is generally slower than holding the ticket directly with the carrier. A few hundred baht of saving is not automatically worth it if your itinerary has little slack.

A missing month is not a missing flight. The table shows only months where a capture succeeded. A month that is absent has no recorded value from the latest pass — usually because the schedule is not yet on sale, or because that capture returned nothing. It is not a signal that the route has closed. Check live pricing for the month you care about.

Fare trends

Between 2026-W24 and 2026-W31 we captured the CNX–RGN low 3 times, ranging ฿4,367 to ฿5,295 — a 21% spread. The cheapest reading fell in week 2026-W31, and from first capture to last the low moved down 18%.

CNX-RGN fares are reasonable and fairly steady given the short distance and the roughly daily schedule, firming around regional holidays and festival periods. A two-to-five-week booking window usually lands a good THB price, and mid-week travel is softer than weekends. For a hop this short, travelling light and staying flexible on the day are the simplest ways to keep the fare low.

Why week 2026-W31 read cheapest. We do not assign a cause: our data records prices, not reasons. Weekly lows move with whatever promotional inventory remains, capacity adjustments, and the travel dates the system happened to surface that pass. What this series is actually good for is a proven floor, not a rule about which day to book.

Seasonality & best time to book

Our catalogue lists 1 carrier on this city pair. On CNX–RGN the season is set by weather more than by price. The Gangetic plain and the Kathmandu valley are driest and coolest from roughly November to February, and monsoon runs about June to September. Major Buddhist observances crowd the sites far more visibly than they move airfares.

Chiang Mai–Yangon fares move with demand. The cheapest windows fall outside school holidays, Songkran and New Year; book 4–8 weeks ahead for normal dates. As a Buddhist-pilgrim corridor, fares rise around religious festival dates and the pilgrimage season.

Observance dates hit accommodation before they hit airfares. Rooms close to the principal sites are limited and fill earlier than seats. If the intention is to be present on a specific day, book the accommodation first and fit the flight to it. Doing it the other way round usually ends with a cheap ticket and a bed far enough out to cost real hours every day.

About Yangon

Our catalogue lists 1 carrier on this city pair. Yangon (RGN) sits in Myanmar, uses MMK, and the visa position we record for a Thai passport is: visa-on-arrival when borders open. The flight from Chiang Mai runs about 1.0 hours. Yangon — Shwedagon Pagoda, major Buddhist relic site

Yangon, the destination of this route, is Myanmar’s largest city — a place of broad tree-lined streets, colonial-era architecture and a deep Buddhist heritage, with the great gilded Shwedagon Pagoda as its landmark. For travellers from Chiang Mai it is a close, familiar destination: the shared Theravada Buddhist culture makes its temples and rhythms recognisable, and the city also serves as the entry point for travel onward across Myanmar.

What visa-free does not mean. Entering without a visa in advance is not a right to work, not a right to study, and not a guarantee of admission — the officer at the border still decides. The conditions most often forgotten are remaining passport validity, an onward ticket and proof of accommodation. All three are asked for more often than travellers expect, and their absence lets the airline refuse boarding at the departure airport.

Passenger rights on CNX–RGN

Our catalogue lists 1 carrier on this city pair. Departures from Thailand fall under Thailand CAAT; the return from Yangon falls under the destination’s civil-aviation regulator. The two regimes are not the same, and what you are owed changes with the direction of travel and the nationality of the operating carrier — never with the fare you paid.

No European-style compensation schedule applies here. The destination sits with the destination’s civil-aviation regulator, which typically imposes duty of care, re-routing and refund obligations but no fixed EU261-style cash bands. The enforceable floor is therefore the airline’s own conditions of carriage plus Thailand CAAT rules for departures from Thailand. Read the conditions of carriage before you buy — that is the document that actually binds you.

Baggage and delay are governed by different instruments. If a bag is lost or arrives late on an international journey, the basis of claim is the Montreal Convention 1999, which applies where both the origin and destination states are parties. Its ceilings are denominated in SDR and revised periodically, so only the current figure is citable. The practical consequence is that the two claims are independent: having no delay-compensation right does not remove a baggage claim, and the report should be filed at the baggage desk before you leave the airport.

FAQ

Which airlines fly Chiang Mai to Yangon?

The CNX-RGN route is operated by Thai AirAsia. Compare baggage, alliances and fares in the table above.

How long and how often is the CNX-RGN flight?

Block time is ~1.0h, with ~7 flights per week across all carriers.

When is CNX-RGN cheapest to book?

The lowest fare our feed returned for this route is ~฿4,921. Book 4–8 weeks ahead; avoid Songkran, school holidays and peak season to save 15–30%.

What exactly is the lowest fare shown on this page?

It is the cheapest fare our cache has recorded on CNX–RGN, captured one snapshot at a time. It is not an average, not a live quote and not a guarantee that a seat still exists at that price. Use it as a reference floor, then check live pricing.

What is the difference between a direct and a nonstop flight?

Direct means the flight number does not change, but the aircraft may still land en route. Nonstop means no intermediate landing at all. If the clock matters, filter on nonstop, not direct.

If my CNX–RGN flight is cancelled, who is responsible?

The destination sits with the destination’s civil-aviation regulator, which generally imposes duty of care, re-routing and refunds but no fixed EU261-style cash bands. The enforceable floor is the airline’s conditions of carriage plus Thailand CAAT rules for departures from Thailand.

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Related

• CNX airport
• RGN airport