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$559+ Cheap flights to Udon Thani

— UTH
15 Oct — 22 Oct1
1 adult
1 adult, Economy, 0 bags

Flights to Udon Thani in 2026

Enter your travel dates to find the best prices.

Cheapest flights to Udon Thani

Sun 8/1115:15 -
2 stops24h 10m
Fri 20/1112:00 -
2 stops20h 10m
Deal found 15/9$929
Sun 8/1110:00 -
1 stop13h 30m
Fri 20/1108:30 -
1 stop23h 25m
Deal found 15/9$1,229
Sun 8/1121:35 -
3 stops38h 25m
Fri 20/1120:00 -
3 stops43h 25m
Deal found 15/9$4,658

Find flight deals to Udon Thani

Return from

$929

One-way from

$559

Popular in

January

Cheapest in

October

Average price

$1,248
8/11-20/11
  • 8/11-20/11
  • 4 total stops
  • 44h 20m total
  • Sydney to Udon Thani
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3/11-31/12
  • 3/11-31/12
  • 3 total stops
  • 41h 35m total
  • Sydney to Udon Thani
Search Deals
Highest demand for flights based on searches. 20% potential increase in price ($348 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($59 potential savings vs. average return price).
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Average for return flights in September 2026
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Cheapflights Fare Finder

 
Use the filters below to find and compare flights to Udon Thani that are best for you.

Fly from

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

SydneyUdon Thani

SYD Sydney Kingsford Smith - UTH Udon Thani

SYDUTH

Sydney Kingsford Smith

Tue 3/11

15:25-08:00

1 stop20h 35m

Udon Thani

Wed 31/12

00:00-03:00

Nonstop0h 00m

$712

SydneyUdon Thani

SYD Sydney Kingsford Smith - UTH Udon Thani

SYDUTH

Sydney Kingsford Smith

Sun 8/11

15:15-11:25

2 stops24h 10m

Udon Thani

Fri 20/11

12:00-12:10

2 stops20h 10m

$929

SydneyUdon Thani

SYD Sydney Kingsford Smith - UTH Udon Thani

SYDUTH

Sydney Kingsford Smith

Tue 3/11

22:15-19:30

2 stops25h 15m

Udon Thani

Wed 31/12

00:00-03:00

Nonstop0h 00m

$1,013

SydneyUdon Thani

SYD Sydney Kingsford Smith - UTH Udon Thani

SYDUTH

Sydney Kingsford Smith

Tue 3/11

22:15-19:30

2 stops25h 15m

Udon Thani

Wed 31/12

00:00-03:00

Nonstop0h 00m

$1,114

SydneyUdon Thani

SYD Sydney Kingsford Smith - UTH Udon Thani

SYDUTH

Sydney Kingsford Smith

Sun 8/11

10:00-19:30

1 stop13h 30m

Udon Thani

Fri 20/11

08:30-11:55

1 stop23h 25m

$1,229

SydneyUdon Thani

SYD Sydney Kingsford Smith - UTH Udon Thani

SYDUTH

Sydney Kingsford Smith

Sun 8/11

21:35-08:00

3 stops38h 25m

Udon Thani

Fri 20/11

20:00-19:25

3 stops43h 25m

$4,658

Flights are sorted by cheapest return flights first.

Deals found on 13/9

Sorted by cheapest first

Best time to book a flight to Udon Thani

Have a flexible travel schedule? Discover the best time to fly to Udon Thani with our price prediction graph.
Estimated return price

Cheapflights Insights

Everything you need to know about your flight to Udon Thani

What are the cheapest airlines that fly to Udon Thani?

The cheapest airline flying from Sydney to Udon Thani is Thai Airways.

Reviews of airlines servicing Udon Thani

Read reviews from past customers who have flown Thai Airways to Thailand. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Thai Airways
7.9
Good
419 reviews
Check prices

Crew

8.5

Entertainment

6.9

Overall

7.9

Comfort

7.7

Food

7.5

Boarding

8.0

Reviews

1 / 20
10.0
Excellent

Virendra,Jan 2026

DEL - BKK

Having required wheel chair assistance, I received amazing service from the ground and cabin staff. Everything was a breeze. Flight was comfortable but the entertainment system was quite dated. The chicken noodles served was amazing
Thai Airways
7.9
Good
419 reviews
Thai Airways
7.9
Good
419 reviews
Check prices

Crew

8.5

Entertainment

6.9

Overall

7.9

Comfort

7.7

Food

7.5

Boarding

8.0

Reviews

1 / 20
10.0
Excellent

Virendra,Jan 2026

DEL - BKK

Having required wheel chair assistance, I received amazing service from the ground and cabin staff. Everything was a breeze. Flight was comfortable but the entertainment system was quite dated. The chicken noodles served was amazing

FAQs about flying to Udon Thani

  • What airport do you fly into for flights to Udon Thani?

    Most people fly into Udon Thani (UTH) if they book a flight to Udon Thani. Udon Thani is conveniently located just 3.3 km from Udon Thani’s city centre.

  • Can I find cheaper flights to Udon Thani if I am willing to have stopovers?

    Yes, flights with stopovers are often cheaper than direct flights. Keep an eye out for flight deals to Udon Thani on Cheapflights that require 1 or 2 stops for potential cost savings.

  • What is the best airline to fly to Udon Thani?

    Based on reviews from Cheapflights users, Thai Airways is rated the highest out of the airlines that fly to Udon Thani.

  • What is the cheapest airport to fly to in Udon Thani?

    Udon Thani is currently the cheapest airport to fly to in Udon Thani. One-way flights to Udon Thani typically cost $18, while return flights cost around $29.

  • How much is a return flight to Udon Thani?

    A return flight to Udon Thani will typically cost around $101, however they can be found for as little as $29.

  • Does Udon Thani have car hire?

    Yes. Those touching down at Udon Thani can take advantage of the car hire services offered upon their arrival.

  • Are there hotels close to Udon Thani?

    Yes. Udon Thani has hotels nearby for those requiring accommodations. Lert Prasert House is the closest property to Udon Thani (0.0 km away from Udon Thani).

See more FAQs

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Cheapflights goes through 900+ travel sites to look for the best flight deals for flights to Udon Thani. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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Cheapflights does show flights with no change fees to all users. To see these options for flights to Udon Thani, users can toggle the no change fees filter when performing a flight search.

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