Direct (nonstop) flights from Udon Thani to Chiang Mai

2 airlines fly nonstop from Udon Thani (UTH) to Chiang Mai Intl (CNX). It's 268 miles (432 km), about 1h 5m in the air. Operated by Nok Air, Thai AirAsia.

UTH
Udon Thani
🇹🇭 Udon Thani, Thailand
CNX
Chiang Mai Intl
🇹🇭 Chiang Mai, Thailand
Flight Time
1h 5m
Distance
268 mi
432 km
CO₂/pax
50 kg
−92 kg vs. layover
Airlines
2
Nok Air +1
Time Diff
Same timezone
Operated by Nok Air Nok Air Thai AirAsia Thai AirAsia

Route data last updated: May 31, 2026

Airlines with non-stop flights

Nok Air DD Nok Air
Route
UTH → CNX
Flight Time
1h 5m
Distance
268 mi
Thai AirAsia FD Thai AirAsia
Route
UTH → CNX
Flight Time
1h 5m
Distance
268 mi

Alternative Routes

Other ways to fly from Udon Thani to Chiang Mai with one stop · direct emits 50 kg CO₂ per passenger

UTH DMK (Bangkok) CNX
Leg 1: 1h 5m (279 mi) Leg 2: 1h 15m (351 mi) Total: ~2h 20m 🍃 142 kg CO₂ (+184% vs. direct)
Leg 1
UTH → DMK
1h 5m · 279 mi
View UTH to DMK flights →
Leg 2
DMK → CNX
1h 15m · 351 mi
View DMK to CNX flights →
UTH BKK (Bangkok) CNX
Leg 1: 1h 10m (288 mi) Leg 2: 1h 20m (368 mi) Total: ~2h 30m 🍃 146 kg CO₂ (+192% vs. direct)
Leg 1
UTH → BKK
1h 10m · 288 mi
View UTH to BKK flights →
Leg 2
BKK → CNX
1h 20m · 368 mi
View BKK to CNX flights →
UTH UTP (Utapao) CNX
Leg 1: 1h 20m (344 mi) Leg 2: 1h 20m (440 mi) Total: ~2h 40m 🍃 170 kg CO₂ (+240% vs. direct)
Leg 1
UTH → UTP
1h 20m · 344 mi
View UTH to UTP flights →
Leg 2
UTP → CNX
1h 20m · 440 mi
View UTP to CNX flights →
UTH HKT (Phuket) CNX
Leg 1: 1h 50m (705 mi) Leg 2: 2h 3m (734 mi) Total: ~3h 53m 🍃 292 kg CO₂ (+484% vs. direct)
Leg 1
UTH → HKT
1h 50m · 705 mi
View UTH to HKT flights →
Leg 2
HKT → CNX
2h 3m · 734 mi
View HKT to CNX flights →
UTH HDY (Hat Yai) CNX
Leg 1: 2h 20m (736 mi) Leg 2: 2h (819 mi) Total: ~4h 20m 🍃 313 kg CO₂ (+526% vs. direct)
Leg 1
UTH → HDY
2h 20m · 736 mi
View UTH to HDY flights →
Leg 2
HDY → CNX
2h · 819 mi
View HDY to CNX flights →

Frequently Asked Questions

How long is the direct flight from Udon Thani to Chiang Mai?

A nonstop flight from Udon Thani (UTH) to Chiang Mai (CNX) takes approximately 1 hours and 5 minutes. The distance is 268 miles (432 km).

Which airlines fly nonstop from Udon Thani to Chiang Mai?

2 airlines: Nok Air, Thai AirAsia.

Is there a nonstop flight from Udon Thani to Chiang Mai?

Yes. 2 airlines: Nok Air, Thai AirAsia.

How far is Udon Thani from Chiang Mai?

The flight distance from Udon Thani to Chiang Mai is 268 miles (432 km), measured as the great-circle (shortest air) distance. That's roughly the same distance as London to Paris.

What type of aircraft flies from Udon Thani to Chiang Mai?

At 1h 5m, this route typically uses narrow-body aircraft — Boeing 737 or Airbus A320. Varies by airline.

What is the carbon footprint of a flight from Udon Thani to Chiang Mai?

Roughly 50 kg CO2 per passenger one-way. That's about the same as driving 250 km.

Is the return flight from Chiang Mai to Udon Thani also nonstop?

Yes — nonstop flights run both ways. Flight time may differ slightly due to wind patterns.

When is the cheapest time to fly from Udon Thani to Chiang Mai?

Midweek flights (Tue/Wed) outside holiday peaks are usually cheapest. 3-6 weeks ahead is a good window for this route. Use "Check Prices" above to compare.

How early should I arrive at Udon Thani for this flight?

1.5-2 hours for domestic. Add more time during holidays or busy travel weekends.