Udon Thani to Hanoi flights
Hanoi lies 514 km (319 mi) north-east of Udon Thani, in the same time zone. What the numbers say about getting there, and where to book.
A nonstop flight would take about 1 h 25 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.
| Udon Thani | Hanoi | |
|---|---|---|
| Country | Thailand | Vietnam |
| Population | 130,531 | 8.1 million |
| Elevation | 177 m (581 ft) | 10 m (33 ft) |
| Time now | UTC+7 (Asia/Bangkok) | UTC+7 (Asia/Bangkok) |
| Nearest large airport | UTH, 3 km out | HAN, 22 km out |
What changes when you arrive in Hanoi
Crossing from Thailand into Vietnam: money changes from the Baht to the Dong (VND); traffic switches to the right; sockets are BS 1363, Euro, NEMA 1-15, Schuko; the dialling code becomes +84; the emergency number is http://www.wikidata.org/entity/Q25648804 / http://www.wikidata.org/entity/Q25648805.
Airports at each end
Leaving 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).
Arriving in Hanoi
Hanoi is served by 2 airports with scheduled flights within 100 km. The closest large one is Noi Bai International Airport (HAN), 22 km (14 mi) from the centre, whose 12,466-ft runway is long enough for long-haul wide-body aircraft. The alternatives are Cat Bi International Airport (HPH, 95 km).
| Airport | Code | From centre | Longest runway | Elevation |
|---|---|---|---|---|
| Noi Bai International Airport | HAN | 22 km (14 mi) | 12,466 ft | 39 ft |
| Cat Bi International Airport | HPH | 95 km (59 mi) | 10,007 ft | 6 ft |
Book a flight to Hanoi
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Staying in Hanoi
Our booking partner lists 4,280+ places to stay in Hanoi (statistics below are from the first 1,000). Of the 855 with a star rating, the largest group is 4-star (412), and 68 are five-star. Across 703 properties with at least 50 reviews, the average guest score is 8.9 out of 10. Guests have left 567,541 reviews in total.
Book a hotel in Hanoi
Live rooms and prices from our booking partner, booked and paid for here. Free cancellation is marked where it applies.
Common questions
How far is Hanoi from Udon Thani?
514 km (319 mi) in a straight line, north-east of Udon Thani.
How long does it take to get from Udon Thani to Hanoi by air?
About 1 h 25 min, estimated from distance and typical speeds for a nonstop flight. Timetables and traffic decide the real figure.
Is there a time difference between Udon Thani and Hanoi?
No, both are on Asia/Bangkok at the moment.
Which airports are used for Udon Thani to Hanoi flights?
Typically Udon Thani International Airport (UTH) to Noi Bai International Airport (HAN); Hanoi also has HPH.
What currency do I need in Hanoi?
The Dong (VND).
Where can I stay in Hanoi?
Our booking partner lists 4,280+ places to stay in Hanoi, bookable on this site.
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.