$392+ Cheap flights to Udon Thani

— UTH
30 Nov — 7 Dec1
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

Thu 12/1115:10 -
2 stops30h 50m
Fri 20/1110:10 -
2 stops22h 00m
Deal found 29/10$995
Thu 12/1110:00 -
1 stop13h 30m
Fri 20/1120:00 -
1 stop11h 55m
Deal found 29/10$1,172
Sun 13/1210:00 -
1 stop13h 30m
Sun 20/1220:00 -
1 stop21h 55m
Deal found 29/10$1,263
Tue 1/1207:55 -
2 stops29h 00m
Tue 8/1218:30 -
2 stops20h 20m
Deal found 29/10$1,314
Tue 1/1210:00 -
1 stop13h 30m
Tue 8/1220:00 -
1 stop11h 55m
Deal found 29/10$1,487
Mon 30/1110:00 -
1 stop13h 30m
Sat 1/521:25 -
1 stop33h 55m
Deal found 29/10$1,500
Sun 13/1215:10 -
2 stops24h 15m
Sun 20/1212:00 -
2 stops21h 20m
Deal found 29/10$1,635
Mon 30/1122:15 -
2 stops19h 25m
Sat 1/513:55 -
2 stops17h 05m
Deal found 29/10$1,782

Find flight deals to Udon Thani

Return from

$947

Popular in

January

Cheapest in

February

Average price

$1,664
28/2-17/3
  • 28/2-17/3
  • 4 total stops
  • 45h 40m total
  • Sydney to Udon Thani
Highest demand for flights based on searches. 9% potential increase in price ($141 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease ($51 potential savings vs. average return price).
Average for return flights in October 2026

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

SydneyUdon Thani

SYD Sydney Kingsford Smith - UTH Udon Thani

SYDUTH

Sydney Kingsford Smith

Tue 9/3

20:05-09:40

2 stops41h 35m

Udon Thani

Wed 31/12

00:00-03:00

Nonstop0h 00m

$437

SydneyUdon Thani

SYD Sydney Kingsford Smith - UTH Udon Thani

SYDUTH

Sydney Kingsford Smith

Tue 9/3

10:00-13:40

1 stop31h 40m

Udon Thani

Wed 31/12

00:00-03:00

Nonstop0h 00m

$701

SydneyUdon Thani

SYD Sydney Kingsford Smith - UTH Udon Thani

SYDUTH

Sydney Kingsford Smith

Tue 16/3

20:05-14:25

3 stops22h 20m

Udon Thani

Wed 31/12

00:00-03:00

Nonstop0h 00m

$708

SydneyUdon Thani

SYD Sydney Kingsford Smith - UTH Udon Thani

SYDUTH

Sydney Kingsford Smith

Thu 11/3

17:10-11:30

3 stops22h 20m

Udon Thani

Wed 31/12

00:00-03:00

Nonstop0h 00m

$748
Fastest return journey

SydneyUdon Thani

SYD Sydney Kingsford Smith - UTH Udon Thani

SYDUTH

Sydney Kingsford Smith

Mon 1/3

21:05-13:40

3 stops20h 35m

Udon Thani

Wed 31/12

00:00-03:00

Nonstop0h 00m

$990

SydneyUdon Thani

SYD Sydney Kingsford Smith - UTH Udon Thani

SYDUTH

Sydney Kingsford Smith

Thu 12/11

09:50-08:15

3 stops26h 25m

Udon Thani

Fri 20/11

10:10-12:10

2 stops22h 00m

$1,024

SydneyUdon Thani

SYD Sydney Kingsford Smith - UTH Udon Thani

SYDUTH

Sydney Kingsford Smith

Mon 1/3

13:25-09:40

2 stops24h 15m

Udon Thani

Mon 8/3

14:10-10:50

2 stops16h 40m

$1,027

SydneyUdon Thani

SYD Sydney Kingsford Smith - UTH Udon Thani

SYDUTH

Sydney Kingsford Smith

Wed 24/2

15:25-19:30

1 stop32h 05m

Udon Thani

Sun 28/2

20:00-11:55

1 stop11h 55m

$1,168

SydneyUdon Thani

SYD Sydney Kingsford Smith - UTH Udon Thani

SYDUTH

Sydney Kingsford Smith

Mon 1/3

10:00-19:30

1 stop13h 30m

Udon Thani

Mon 8/3

20:00-11:55

1 stop11h 55m

$1,168

SydneyUdon Thani

SYD Sydney Kingsford Smith - UTH Udon Thani

SYDUTH

Sydney Kingsford Smith

Sun 28/2

22:15-13:40

2 stops19h 25m

Udon Thani

Wed 17/3

14:10-13:25

3 stops19h 15m

$1,701

Flights are sorted by cheapest return flights first.

Deals found on 29/10

Showing 1-10 of 14 resultsSorted by cheapest first
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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.

Overall

7.9

Food

7.5

Comfort

7.7

Entertainment

6.9

Boarding

8.0

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Thayawat,Sept 2026

SIN - BKK

Entertainment system was improved. I could not get my preferred Isle seat this time.

Overall

7.9

Food

7.5

Comfort

7.7

Entertainment

6.9

Boarding

8.0

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Thayawat,Sept 2026

SIN - BKK

Entertainment system was improved. I could not get my preferred Isle seat this time.

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 $45, while return flights cost around $95.

  • How much is a return flight to Udon Thani?

    A return flight to Udon Thani will typically cost around $138, however they can be found for as little as $95.

  • 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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It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights to Udon Thani.

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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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