Haiphong to Udon Thani flights
Udon Thani lies 561 km (349 mi) south-west of Haiphong, in the same time zone. What the numbers say about getting there, and where to book.
A nonstop flight would take about 1 h 28 min gate to gate, based on the distance and typical cruise speed with taxi and climb allowed for; connecting itineraries add the layover on top.
Open Udon Thani in Google Maps
| Haiphong | Udon Thani | |
|---|---|---|
| Country | Vietnam | Thailand |
| Population | 2.6 million | 130,531 |
| Elevation | 12 m (39 ft) | 177 m (581 ft) |
| Time now | UTC+7 (Asia/Bangkok) | UTC+7 (Asia/Bangkok) |
| Nearest large airport | HPH, 7 km out | UTH, 3 km out |
What changes when you arrive in Udon Thani
Crossing from Vietnam into Thailand: money changes from the Dong to the Baht (THB); traffic switches to the left; sockets are Euro, NEMA 1-15, NEMA 5-15, Schuko; the dialling code becomes +66; the emergency number is http://www.wikidata.org/entity/Q25648876 / http://www.wikidata.org/entity/Q25648881.
Airports at each end
Leaving Haiphong
Haiphong is served by 3 airports with scheduled flights within 100 km. The closest large one is Cat Bi International Airport (HPH), 7 km (4 mi) from the centre, whose 10,007-ft runway is long enough for long-haul wide-body aircraft. The alternatives are Noi Bai International Airport (HAN, 99 km), Van Don International Airport (VDO, 81 km).
Arriving in Udon Thani
Udon Thani is served by 2 airports with scheduled flights within 100 km. The closest large one is Udon Thani International Airport (UTH), 3 km (2 mi) from the centre, whose 10,000-ft runway is long enough for long-haul wide-body aircraft. The alternatives are Wattay International Airport (VTE, 67 km).
| Airport | Code | From centre | Longest runway | Elevation |
|---|---|---|---|---|
| Udon Thani International Airport | UTH | 3 km (2 mi) | 10,000 ft | 579 ft |
| Wattay International Airport | VTE | 67 km (42 mi) | 9,843 ft | 564 ft |
Book a flight to Udon Thani
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Staying in Udon Thani
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Common questions
How far is Udon Thani from Haiphong?
561 km (349 mi) in a straight line, south-west of Haiphong.
How long does it take to get from Haiphong to Udon Thani by air?
About 1 h 28 min, estimated from distance and typical speeds for a nonstop flight. Timetables and traffic decide the real figure.
Is there a time difference between Haiphong and Udon Thani?
No, both are on Asia/Bangkok at the moment.
Which airports are used for Haiphong to Udon Thani flights?
Typically Cat Bi International Airport (HPH) to Udon Thani International Airport (UTH); Udon Thani also has VTE.
What currency do I need in Udon Thani?
The Baht (THB).
Where these facts come from
- GeoNames (CC BY 4.0): population, elevation, time zone, postal codes
- Wikidata (CC0): area, sister cities, visitor numbers, heritage listings, stations and ports
- OurAirports (public domain): airports, runways
- Natural Earth (public domain): map outlines
Data compiled 14 September 2026. Hotel and hostel figures are from our booking partner’s catalogue on that date. Journey times on this page are estimates from distance, not timetables; check the operator before you rely on one.