What to know about flights from Udon Thani to Bangkok?

The approximate distance between Udon Thani and Bangkok is 474.41 km. Average flight time from Udon Thani to Bangkok is around 1 hour 7 minutes. According to Trip.com data, travel demand hits its peak in January. The cheapest month to book flights is September.

Cheapest one-way
US$30
Thai Vietjet Air Thai Vietjet Air UTH-BKK 1h 10m · Nonstop Tue, Sep 15
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Cheapest round-trip
US$57
Thai Vietjet Air Thai Vietjet Air UTH-BKK 1h 10m · Nonstop Sat, Sep 26 - Tue, Sep 29
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When to fly
September
Cheapest
January
Peak season
Route details
474.41 km
Flight distance
1h 7m
Average flight time

Explore the cheapest one-way and round-trip flights from Udon Thani to Bangkok over the next 90 days, with one-way fares from US$30 and round-trip from US$57. Based on Trip.com's latest 7-day flight data.

Flight.News
Flights from Udon Thani to Bangkok operate an average of 23 times per day over the past 7 days, with a 73.3% on-time departure rate and a 88.4% on-time arrival rate.

Which airlines are the most popular for Udon Thani to Bangkok flights?

The most popular airlines flying from Udon Thani to Bangkok are Thai Vietjet Air, Thai AirAsia, and Thai Lion Air, among 6 carriers on this route. Thai Vietjet Air offers the lowest fares. Based on Trip.com's flight booking data from the previous 12 months.
Thai Vietjet Air logo Thai Vietjet Air
Thai AirAsia logo Thai AirAsia
Thai Lion Air logo Thai Lion Air
Thai Airways logo Thai Airways
Nokair Airline logo Nokair Airline
Hahn Air System logo Hahn Air System
Airlines are determined based on actual purchased flight tickets from Udon Thani to Bangkok according to previous 12 months data from Trip.com.

Trip.com Price Trends on Flights from Udon Thani to Bangkok

Which month has the cheapest one-way flights from Udon Thani to Bangkok?

Average monthly one-way flight prices from Udon Thani to Bangkok, based on bookings made by Trip.com users over the past 12 months.

Based on Trip.com’s data, the cheapest month for flights from Udon Thani to Bangkok is September, with an average price of US$9; while the month with the highest flight price is usually August, with an average price of up to US$28.

US$28
US$19
US$9
0
    Cheapest
  • US$28
    Aug
  • US$9
    Sep
  • US$11
    Oct
  • US$12
    Nov
  • US$12
    Dec
  • US$12
    Jan
  • US$13
    Feb
  • US$13
    Mar
  • US$18
    Apr
  • US$16
    May
  • US$16
    Jun
  • US$16
    Jul

Which month has the cheapest round-trip flights from Udon Thani to Bangkok?

The average price of round-trip flights from Udon Thani to Bangkok purchased by Trip.com users by month over the past 12 months.

Based on data from Trip.com, the lowest prices for round-trip flights from Udon Thani to Bangkok are found during September, with an average price of US$51. Conversely, the highest prices are found during June, with an average price of up to US$85.

US$85
US$68
US$51
US$34
    Cheapest
  • US$67
    Aug
  • US$51
    Sep
  • US$58
    Oct
  • US$56
    Nov
  • US$59
    Dec
  • US$52
    Jan
  • US$54
    Feb
  • US$52
    Mar
  • US$67
    Apr
  • US$73
    May
  • US$85
    Jun
  • US$72
    Jul

Frequently Asked Questions

  • What are the cheapest flights from Udon Thani to Bangkok (UTH-BKK)?

    Based on Trip.com data, Thai Vietjet Air offers one-way fares as low as US$30 on Cheapest nonstop routes (e.g. UTH to BKK on Tue, Sep 15), while Thai Vietjet Air offers Cheapest nonstop round-trips from US$57 departing on Sat, Sep 26 and returning on Tue, Sep 29.
  • At the moment, you can catch a nonstop flight from Udon Thani to Bangkok with the following airlines, including: Thai Vietjet Air Thai AirAsia Thai Lion Air Thai Airways Nokair Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.
  • It takes about 1 hour 7 minutes to fly from Udon Thani to Bangkok.
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Udon Thani to Bangkok is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • Based on Trip.com data in the past 4 weeks, there is 72 flight per week flying from Udon Thani to Bangkok. You can check the weekly schedule for popular airlines on this route below: Thai Vietjet Air: S/M/T/W/T/F/S -- VZ201 (09:58) Thai Airways: S/M/T/W/T/F/S -- TG009 (22:09)
  • To find best deals on flights from Udon Thani to Bangkok, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Tue, Sep 15, with one-way flights priced at just US$30.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Thai Vietjet Air.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for Bangkok travel is around January.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Udon Thani to Bangkok is September, when demand for travel is lower.
  • After crunching the numbers on our September flight calendar, it's currently cheapest to fly from Udon Thani to Bangkok on September 12, 2026 with Thai Lion Air, with prices starting at US$15.
  • You can land at any one of the following hubs in Bangkok: Suvarnabhumi Airport (BKK), and Don Mueang International Airport (DMK). Flying from Udon Thani International Airport to Don Mueang International Airport (UTH-DMK) is by far the most common option on this route.
  • The time difference between Bangkok and Udon Thani is 0m.
  • Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.
  • Based on Trip.com data for flights departing in the next 30 days, the average one-way fare from Udon Thani to Bangkok is US$50. Fares vary by travel date, airline and availability.
  • Based on Trip.com data for travel in the next 30 days, the average round-trip fare from Udon Thani to Bangkok is US$89. The final price depends on the outbound and return dates, airline and fare conditions.
  • Enter Udon Thani and Bangkok, choose your travel dates and passengers, then compare flights by price, duration and baggage. Select a fare, review the change and cancellation rules, enter traveler details and complete payment to receive your confirmation.
  • Thai Vietjet Air, Thai AirAsia and Thai Lion Airare the most popular budget airlines flying from Udon Thani to Bangkok. Check baggage, seat and payment fees before comparing the final price.

Udon Thani to Bangkok Flights

Flying from Udon Thani to Bangkok: What You Need to Know

Route Overview

Five airlines run nonstop flights from Udon Thani to Bangkok: Thai AirAsia, Nok Air, Thai Lion Air, Thai Vietjet Air, and Thai Airways. The route covers roughly 465-485 km (289-300 miles) and takes about 1 hour 5 minutes on average, with actual flight times ranging from 55 minutes to 1 hour 20 minutes. You'll find around 41 flights a week, spread across the day from the earliest departure around 07:35 to the latest at 21:35, roughly every two hours. Most Udon Thani flights land at Don Mueang International Airport (DMK), though Suvarnabhumi Airport (BKK) also receives service on this route. One-way fares start around US$29-31, and September is typically the cheapest month to fly. Search Trip.com to compare live prices across all five carriers and book Udon Thani to Bangkok flights at the best rate.

Airline Details

Thai AirAsia
Flight Time Baggage Highlights
~1h 5min (direct) Carry-on: 7kg combined (1 cabin bag 56×36×23cm + 1 personal item 40×30×10cm), weighed at boarding. Checked: not included in basic fare; pre-book online in 15kg, 20kg, 25kg, 30kg, or 40kg tiers, single piece max 32kg. Baggage can be shared across passengers in the same booking. LCC; online baggage pre-booking saves up to 50% compared to airport rates

Thai AirAsia is a low-cost carrier, so the base fare covers your seat and a 7kg carry-on only. Pre-book checked baggage when you buy your ticket on Trip.com to avoid paying higher airport rates later. Bags are weighed at the boarding gate, and overweight carry-on items can be checked for a fee.

Nok Air
Flight Time Baggage Highlights
~1h 5min (direct) Carry-on: 1 piece up to 7kg (56×36×23cm), must fit under the seat or in overhead compartment. Checked: check Nok Air website for current allowance and fares. Thai domestic carrier; free 7kg carry-on for all passengers

Nok Air is a Thai domestic airline with a strong presence on regional routes. Its Udon Thani flights use Don Mueang as the Bangkok base.

Thai Lion Air
Flight Time Baggage Highlights
~1h 5min (direct) Carry-on: 1 piece up to 7kg (56×36×23cm); oversized bags moved to checked hold. Checked: Lion Promo fare includes 0kg; Lion Economy fare includes 10kg. Single piece max 32kg. Extra baggage available via Lion Baggage add-on. Two fare types; Lion Economy fare includes 10kg checked baggage

Thai Lion Air offers two fare tiers on this domestic route. The Lion Promo fare has no checked baggage included, so factor that into your comparison when booking. If you need a checked bag, the Lion Economy fare includes 10kg, and you can top up through the airline's baggage add-on.

Other Airlines

Thai Vietjet Air and Thai Airways also operate direct flights on the Udon Thani to Bangkok route. Baggage allowance details for these two carriers were not specified in the source data consulted for this article. Check each airline's website or your Trip.com booking summary for the most current baggage and fare information before you book.

Airport Information

Udon Thani International Airport (UTH)

Udon Thani International Airport sits about 6 km from the city centre, a 10 to 20-minute drive under normal traffic. It's a compact regional airport, and ground transport options are straightforward: metered taxis are available 24 hours at the arrivals taxi counter, Grab offers upfront pricing through the app, and there are pre-booked transfers with a driver meeting you at arrivals with a name sign.

Mode Time Cost
Metered Taxi 10-20 min 100-150 THB (incl. ~20 THB airport surcharge)
Grab (Ride-hailing) 10-20 min 120-180 THB (varies by time of day)
Pre-booked Transfer 15-25 min 250-400 THB (fixed price)
Udon City Bus (air-con) 25-40 min 80-100 THB
Local Songthaew 20-30 min 20 THB flat fare (departs gate 1)
Car Rental Per day 800-1,500 THB/day

The local songthaew (shared pickup truck) is the cheapest option at 20 THB for the entire route. It departs from exit gate 1 on the right side and runs through Posri Road and the city's bus stations. Car rental runs 800-1,500 THB per day if you plan to explore beyond Udon Thani.

Don Mueang International Airport (DMK)

Don Mueang is Bangkok's older international airport and the primary destination for Udon Thani flights. It sits north of the city centre and has its own rail station on the SRT Dark Red Line, plus several bus routes and a 24-hour taxi rank. DMK handles mostly low-cost and domestic traffic, so terminals are relatively compact and easy to navigate.

Mode Time Cost
SRT Dark Red Line to Bang Sue ~20 min 12-42 THB ($0.33-$1.15)
Bus A1 to BTS Chatuchak 30-45 min 30 THB ($0.80)
Bus A4 to Khao San Road 60-90 min 50 THB ($1.30)
Taxi to downtown 30-60 min 300-500 THB ($9-15 USD, incl. tolls)

The SRT Dark Red Line runs every 12-20 minutes from 05:30 to midnight and connects at Bang Sue to the MRT Blue Line for wider city access. Bus A1 is the quickest bus-to-metro link, dropping you at BTS Chatuchak (Mo Chit) every 5 minutes during operating hours (06:30-00:00). Bus A4 runs direct to the Khao San Road backpacker area every 30 minutes from 07:30 to 23:00. Taxis are available 24/7; trips between midnight and 06:00 carry a ~50 THB ($1.25) surcharge.

Suvarnabhumi Airport (BKK)

Suvarnabhumi is Bangkok's main international gateway, located east of the city. It has the Airport Rail Link (ARL) for fast, traffic-free access to central Bangkok, plus bus and taxi options. The airport itself is large, with extensive duty-free shopping, lounges, and dining across multiple levels.

Mode Time Cost
Airport Rail Link to Phaya Thai ~26 min 45 THB ($1.30)
Bus S1 to Khao San Road ~60 min 60 THB (~$1.80)
Taxi to city 30-40 min (1h+ with traffic) 250-400 THB (~$7.50-$12, incl. 50 THB airport surcharge + 70 THB expressway fee)

The Airport Rail Link City Line runs from 06:00 to midnight and arrives at Phaya Thai station, where you can transfer to the BTS Sukhumvit Line for Siam, Sukhumvit, and Silom areas. Bus S1 boards at Level 1, exit 7 and runs every 30 minutes from 06:00 to 20:00. Taxi fares to the city include a 50 THB airport surcharge plus a 70 THB expressway toll.

Navigating Bangkok's transit: BTS, MRT, and ARL use separate ticketing systems. BTS fares run 16-45 THB, MRT 17-42 THB, and ARL City Line 15-45 THB. All three operate from roughly 06:00 to midnight, but transfers between systems require exiting one station and walking to another. Keep small bills and coins handy for ticket machines.

Destination & Booking Info

Visa & Entry Requirements

All foreign nationals entering Thailand by air, land, or sea must complete the Thailand Digital Arrival Card (TDAC). This is a mandatory immigration form, not a visa. It is free and must be submitted within 72 hours before arrival through the official TDAC portal only. Third-party sites that charge a fee are not legitimate.

Your passport must be valid for at least 6 months from your arrival date. Damaged passports can result in denied entry. Immigration requires a return or onward ticket; if you are traveling on a one-way flight, be ready to explain your travel plans and show proof of future travel.

Thai Immigration conducts random cash-proof checks at the border. Travelers must be able to show 10,000 THB per person or 20,000 THB per family (two or more people) in cash or equivalent foreign currency.

U.S. citizens receive a 60-day visa exemption for tourism, which can be extended for an additional 30 days at a local immigration office in Thailand.

Customs & Currency

Thailand strictly prohibits vapes and e-cigarettes. Penalties include confiscation, fines up to 500,000 THB, and possible imprisonment. Prescription medications must be carried in their original pharmacy packaging with a doctor's letter; controlled drugs require an IC-2 permit from the Thai FDA obtained in advance.

Duty-free allowances per person: 200 cigarettes (1 carton), 250g of tobacco or cigars, and 1 liter of alcohol. Personal valuables are exempt up to 20,000 THB (~$550 USD). These limits apply strictly per individual; group totals are not recognized by Thai customs.

The local currency is the Thai Baht (THB). If you are carrying foreign currency exceeding $20,000 USD equivalent, you must declare it at the Red Channel upon entry. Any amount of Thai Baht over 450,000 THB must also be declared on entry. Exporting more than 50,000 THB requires a permit from the Bank of Thailand, except when traveling to neighboring countries.

VAT Refund

Non-Thai tourists staying 180 days or fewer can claim a 7% VAT refund on physical goods bought at stores displaying the "VAT REFUND" sign. The minimum purchase is 2,000 THB per store per day, with a total of at least 5,000 THB across all purchases. You must depart via an international airport within 60 days of purchase. Domestic flights, including Udon Thani to Bangkok, do not qualify for the refund on their own; you need to be departing Thailand internationally to claim.

Booking Tips
  • Compare all five airlines on Trip.com. Fares on this route start around US$29-31 one-way, but prices vary by season. September is typically the cheapest month.
  • Pre-book checked baggage when you buy your ticket. If you are flying Thai AirAsia or another LCC, adding checked baggage at the time of booking can save up to 50% compared to paying at the airport.
  • Confirm your arrival airport before booking ground transport. Most Udon Thani flights land at Don Mueang (DMK), but some serve Suvarnabhumi (BKK). The two airports are on opposite sides of Bangkok, and getting from one to the other takes over an hour by road.
  • Book flights with a ~2-hour gap if you have a tight schedule. With departures spaced roughly every two hours across the day, you have flexibility to pick a time that works.
  • Use Trip.com to lock in your fare early. The ~41 weekly flights fill up during Thai holidays and long weekends, so booking ahead secures both your seat and the price.

※ Fares, schedules and policies are subject to change. Confirm with official sources before booking.

Trip.com Airline Insights on Flights from Udon Thani to Bangkok

Which airline offers the cheapest direct flights from Udon Thani to Bangkok?

Data is based on the average price of all nonstop flights from Udon Thani to Bangkok on Trip.com over the past 12 months.

Based on Trip.com’s data from the past 12 months, Nokair Airline provides the lowest-priced direct flights from Udon Thani to Bangkok, with fares starting at US$46.

US$27
US$46
US$66
US$85
US$104
Nokair Airline
US$46
Nokair Airline
Thai Lion Air
US$47
Thai Lion Air
Thai AirAsia
US$52
Thai AirAsia
Thai Vietjet Air
US$52
Thai Vietjet Air
Thai Airways
US$62
Thai Airways
Hahn Air System
US$104
Hahn Air System

Which airline operates the most flights from Udon Thani to Bangkok?

Total flights from Udon Thani to Bangkok across all airlines. (Based on Trip.com data from the past month)

Based on Trip.com’s data from the past month, Thai AirAsia operates the most frequent flights from Udon Thani to Bangkok, with 38 flights per week.

4
15
27
38
Thai AirAsia
38
Thai AirAsia
Thai Vietjet Air
23
Thai Vietjet Air
Thai Airways
22
Thai Airways
Thai Lion Air
19
Thai Lion Air
Nokair
18
Nokair
Turkish Airlines
15
Turkish Airlines

How many flights fly from Udon Thani to Bangkok daily?

The data is based on the flight numbers for each day of the week from Udon Thani to Bangkok within the Trip.com database over the past month.

Based on the past month's historical data from Trip.com, the number of flights from Udon Thani to Bangkok is the highest on Friday and the lowest on Monday/Wednesday.

109
96
83
70
Highest
83
Mon
85
Tue
83
Wed
88
Thu
109
Fri
91
Sat
91
Sun

Note: Prices shown on this page are the estimated lowest prices found in the last 24 hours and include all taxes and fees.

Book with no extra fees

Prices displayed on this page are all-inclusive (incl. taxes, fuel surcharges, Civil Aviation Development Fund, etc.), and all fees are clearly shown before you pay. Charges for checked baggage, onboard meals, Wi‑Fi, and other optional services are also included where applicable in the flight cards.

Real-time pricing updates

Prices, availability, and travel details on this page have been updated within the last 24 hours, and for many routes are refreshed in real time. The more popular the route, the more accurate and up-to-date the data.

Change & Cancellation Policy

Trip.com shows the change and cancellation rules for each ticket during the booking process, including all related fees and conditions. Please refer to the following scenarios:
Voluntary cancellation/change:
To request a change or cancellation, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and flight segment, and submit your request. Please note that additional charges may apply based on the airline’s fare rules.
Cancellation/change due to a flight schedule change:
If your flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For full details of change and cancellation policies, please refer to the customer support pages.