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Ubon Ratchathani Airport (UBP) — Direct Flights, Airlines

Ubon Ratchathani Airport (UBP) — 1 routes from Thailand, airlines: Nok Air, Thai AirAsia, Thai Vietjet. THB fares + schedules.

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🇹🇭 UBP
airport Fact-checked Baht-first
SE Written by SiamFlights Editorial Team · Updated May 2026 · 5 min read
Ubon Ratchathani (UBP) — สนามบินนานาชาติ, photo via Wikimedia Commons (Wikipedia summary image)
Photo of Ubon Ratchathani (UBP) — สนามบินนานาชาติ · CC BY-SA 3.0 by Ilya Plekhanov · source

Domestic only · Transit via Bangkok

UBP does not offer nonstop international flights.

Most passengers from Ubon Ratchathani connect via Suvarnabhumi (BKK) or Don Mueang (DMK) for international routes. Aviasales finds the cheapest connection live.

See UBP → world via BKK affiliate.thanks.leisure ลิงก์พันธมิตร · ดูรายละเอียด Bangkok international → affiliate.thanks.leisure ลิงก์พันธมิตร · ดูรายละเอียด
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Ubon Ratchathani Airport (UBP, ICAO VTUU) is in Ubon Ratchathani, Thailand. It is the based hub of Thai AirAsia, Thai Lion Air and Nok Air. In the SiamFlights catalogue, UBP is served by 4 airlines across 1 route (0 outbound, 1 inbound).

Airport at a glance

Our catalogue records 0 outbound and 1 inbound corridors at Ubon Ratchathani Airport (UBP / ICAO VTUU), serving Ubon Ratchathani, Thailand, across 4 carriers with 3 of them based here. Time zone Asia/Bangkok. Frequency across the corridors touching this field totals about 28 departures a week.

AttributeDetail
IATA / ICAOUBP / VTUU
City / countryUbon Ratchathani, Thailand
Direct destinations (catalogued)0
Reached from (origins)1
Based hub carriersThai AirAsia, Thai Lion Air and Nok Air
Coordinates15.251, 104.870

Coordinates are for checking, not decoration. UBP sits at 15.2513, 104.87. That is genuinely useful when booking a room or a transfer, because “near the airport” is claimed to wildly different standards. In a large city, map distance and real travel time in peak hours diverge sharply — read the travel time for the hour you will actually move, not the kilometre figure.

IATA and ICAO are used in different places. The three-letter UBP is the IATA code that appears on tickets, bag tags and search screens; VTUU is the four-letter ICAO code used in flight plans, notices to airmen and operational paperwork. IATA codes can collide for historical reasons; ICAO codes do not, and their first letters encode the region. A four-letter code in aviation documentation is not an error — it is a different system.

Airlines serving UBP

4 carriers appear at UBP in our catalogue and we hold an airline row for 4 of them, with baseline baggage spanning 7 to 15 kg. None of the rows we hold sits in a major alliance. 3 of them are based here.

AirlineAllianceBaggageRole
Thai AirAsia (FD)non-aligned7 kghub
Thai Lion Air (SL)non-aligned15 kghub
Nok Air (DD)non-aligned15 kghub
Thai Vietjet (VZ)non-aligned7 kg

The 7–15 kg range is two business models under one roof. The low end comes from unbundled fares that sell hold baggage separately; the high end from full-service carriers that include it. At the same airport those two desks price excess weight on different scales and by different methods. Connect between the two on separate tickets and a bag that cleared the first sector may not clear the second.

“Serves” is not “flies daily”. This list covers every carrier appearing on a corridor into or out of UBP in our catalogue. Some fly seasonally, some a few times a week, and some sell as the marketing carrier on a partner’s aircraft. The number that matters to your plan is how many actually quote your dates — usually fewer than the full list.

UBP route overview

UBP has 0 outbound corridors in our catalogue, roughly 0 departures a week All figures are estimates of the standard schedule. The field runs on Asia/Bangkok, ICAO VTUU. The corridors touching this field connect 1 country in our catalogue. Block times on those corridors run from 1.1 to 1.1 hours.

Inbound

RouteFreq/wkHoursMarket low
Bangkok (BKK) → Ubon Ratchathani (UBP)28×1.1

Outbound and inbound are asymmetric because this is a catalogue boundary. We record 0 outbound and 1 inbound corridors for UBP. The gap reflects which route guides we chose to build — weighted to what travellers from Thailand search — not one-way service. The return flights exist whether or not we have published a page for them yet.

This field sits in our catalogue as a destination. We record 1 inbound corridors into it, splitting 1 short-haul (<4h), and no outbound guides — we build route pages only for journeys starting in Thailand. Departures from here exist; they simply have no page in this set yet. Read the carrier’s own schedule for the return.

Corridors & fares from UBP

The 1 corridor at UBP break down as 1 short-haul (<4h), serving mainly ASEAN & regional leisure. We hold a cached fare for 1 of 1 route, the lowest ฿2,089 on BKK–UBP. The corridors touching this field connect 1 country in our catalogue.

Most UBP corridors here serve ASEAN & regional leisure travellers. The mix is 1 short hop (under 4 h). Fares are shown in Thai baht (THB), and each route guide below carries live cached prices.

Everything is shown in baht, and that matters more than it looks. Fares are converted to THB so they compare on one page, but the underlying prices are set in the currency of the market that issues the ticket. The same corridor can price differently issued in different countries, and the exchange rate moves between our capture passes. Read these as a ranking, not as accounting figures.

Why some rows have no price. We capture lows in passes, and not every corridor returns a value each time. Seasonal routes, thin routes and routes sold through narrow channels report irregularly. An empty cell means no capture succeeded in the latest pass — not that the route is closed or expensive. We leave it blank rather than interpolate, because plausible-looking estimates are exactly what makes a table untrustworthy.

Direct flights to UBP — 1 route

Our catalogue records 1 inbound corridors into UBP from 1 country, block times 1.1 to 1.1 hours. Frequency figures are estimates combining every carrier on the corridor. The field runs on Asia/Bangkok, ICAO VTUU. 4 carriers appear at UBP, 3 of them based at the field.

How to read this list usefully. The frequency figure describes the risk in your plan, not the quality of the route: several departures a day gives you options when something breaks, a few a week means building in a spare day. We hold a cached fare on 1 of the 1 corridor here; the rest have no successful capture yet, which does not mean they cost more.

Direct destinations are not all reachable destinations. This list is the nonstop network in our catalogue. Everything else is reachable by connecting at a hub, which widens the choice and adds a point where the plan can break. If you must connect, make a single ticket the default and only split it when the saving is large enough to be worth the risk you are taking on yourself.

Time zone and connecting at UBP

Our catalogue records 0 outbound and 1 inbound corridors here. UBP runs on Asia/Bangkok, the same as Bangkok. The gap is constant year-round. Every time printed on a boarding pass is local to that airport rather than an elapsed duration, so subtracting one from the other gives you the wrong number.

Offsets make overnight flights deceptive. With UBP the same as Bangkok, a late-night departure can arrive the same morning or the next one on paper for identical flying time. That is the single most common reason transfers and first hotel nights get booked on the wrong date. Read the date on the final sector’s boarding pass, then confirm anything on the ground.

Minimum connection time is not in our data. Every airport publishes one, and the figure differs for domestic-to-domestic, international-to-international and terminal-change connections. A booking system will not sell you less than that on a single ticket — but it will happily let you build less than that yourself across two tickets. That is where passengers most often create risk without realising it.

FAQ

Where is UBP airport located?

UBP (ICAO VTUU) is in Ubon Ratchathani, Thailand.

Which airlines serve UBP?

4 airlines serve UBP, including Thai AirAsia, Thai Lion Air, Nok Air and Thai Vietjet. Compare baggage and alliances in the table above.

How many routes run from/to UBP?

The SiamFlights catalogue lists 0 outbound and 1 inbound routes for UBP.

Is UBP an airline hub?

UBP is a primary hub for Thai AirAsia, Thai Lion Air and Nok Air.

What is the difference between UBP and VTUU?

UBP is the three-letter IATA code used on tickets and bag tags; VTUU is the four-letter ICAO code used in flight plans and operational documents. They are different systems, not an inconsistency.

How far is UBP from Bangkok time?

UBP runs on Asia/Bangkok, the same as Bangkok. It does not change clocks seasonally, so the gap is constant.

Why do some UBP corridors show no fare?

Because no capture succeeded in the latest pass of our cache. Seasonal and low-frequency corridors report irregularly. A blank is not a closed route or an expensive one.

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About SiamFlights Editorial Team

SiamFlights is a Thai editorial team covering GCC migrant-worker logistics, Buddhist pilgrimage planning (Bodh Gaya/Lumbini), Thai-diaspora long-haul VFR and ASEAN regional routes. Every article is written at one desk and verified at another. Published under a single team byline. Meet the editorial team and read our standards.

Updated May 2026

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