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£400+ Cheap flights to Udon Thani

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/4. Fares are subject to change and may not be available on all flights or dates of travel.
— UTH
21 Apr — 28 Apr1
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
Explore the most affordable flight options available to Udon Thani. Find the lowest fares based on data from user searches, with prices last updated on 22 March 2026.

Wed 6/516:15
LHR
-
UTH
2 stops21h 35m
Multiple Airlines
Sat 16/520:20
UTH
-
LHR
2 stops41h 10m
Multiple Airlines
Deal found 22/3£456
Sun 3/514:40
LHR
-
UTH
2 stops23h 10m
Multiple Airlines
Sat 16/520:20
UTH
-
LHR
2 stops41h 10m
Multiple Airlines
Deal found 20/3£465
Thu 14/514:40
LHR
-
UTH
2 stops24h 15m
Multiple Airlines
Thu 28/508:40
UTH
-
LHR
2 stops28h 50m
Multiple Airlines
Deal found 19/3£492
Sun 3/514:40
LHR
-
UTH
2 stops23h 10m
Multiple Airlines
Sun 10/520:20
UTH
-
LHR
2 stops46h 20m
Multiple Airlines
Deal found 19/3£502
Fri 8/516:15
LHR
-
UTH
2 stops22h 40m
Multiple Airlines
Sun 24/521:25
UTH
-
LHR
2 stops45h 15m
Multiple Airlines
Deal found 19/3£546
Mon 14/916:15
LHR
-
UTH
2 stops21h 35m
Multiple Airlines
Wed 30/909:00
UTH
-
LHR
2 stops33h 40m
Multiple Airlines
Deal found 22/3£594
Sat 2/514:45
LHR
-
UTH
2 stops20h 30m
Multiple Airlines
Sat 9/517:50
UTH
-
LHR
2 stops43h 10m
Multiple Airlines
Deal found 18/3£627
Mon 7/914:45
LHR
-
UTH
2 stops24h 10m
Multiple Airlines
Sat 19/908:40
UTH
-
LHR
2 stops40h 05m
Multiple Airlines
Deal found 19/3£668
Fri 2/1009:30
LHR
-
UTH
2 stops21h 55m
Multiple Airlines
Fri 23/1013:55
UTH
-
LHR
2 stops24h 05m
Multiple Airlines
Deal found 21/3£703

Find flight deals to Udon Thani

Find the latest flights to Udon Thani in 2026, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 858,174 searches and data was last updated on 22 March 2026.

Return from

£456

One-way from

£400
6/5-16/5
  • 6/5-16/5
  • 4 total stops
  • 62h 45m total
  • London to Udon Thani
Search Deals
10/4
  • 10/4
  • 3 total stops
  • 52h 10m total
  • London to Udon Thani
Search Deals

Cheapflights Fare Finder

 
Locate flights to Udon Thani that fit your budget, with regularly updated fares and availability. In the last 7 days, Cheapflights users made a total of 858,174 searches and data was last updated on 22 March 2026.
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

LondonUdon Thani

LHR - UTH

LHRUTH

London Heathrow

Sun 3/5

14:40-19:50

2 stops23h 10m

Udon Thani

Sat 16/5

20:20-07:30

2 stops41h 10m

£468
Fastest return journey

LondonUdon Thani

LHR - UTH

LHRUTH

London Heathrow

Wed 6/5

19:25-20:55

2 stops19h 30m

Udon Thani

Sat 16/5

21:25-14:05

2 stops22h 40m

£709

LondonUdon Thani

LHR - UTH

LHRUTH

London Heathrow

Sat 2/5

19:25-20:55

2 stops19h 30m

Udon Thani

Sat 16/5

08:40-06:25

2 stops27h 45m

£734

LondonUdon Thani

LHR - UTH

LHRUTH

London Heathrow

Sat 6/6

22:05-13:25

2 stops33h 20m

Udon Thani

Tue 9/6

13:55-06:55

2 stops23h 00m

£755

LondonUdon Thani

LHR - UTH

LHRUTH

London Heathrow

Wed 9/9

10:00-13:25

2 stops21h 25m

Udon Thani

Sun 20/9

13:55-15:20

2 stops31h 25m

£857

LondonUdon Thani

LHR - UTH

LHRUTH

London Heathrow

Wed 9/9

10:00-13:25

2 stops21h 25m

Udon Thani

Sat 19/9

13:55-06:55

2 stops23h 00m

£857

LondonUdon Thani

LHR - UTH

LHRUTH

London Heathrow

Sun 6/9

10:00-13:25

2 stops21h 25m

Udon Thani

Sun 20/9

13:55-15:20

2 stops31h 25m

£914

LondonUdon Thani

LHR - UTH

LHRUTH

London Heathrow

Fri 10/4

17:00-20:55

2 stops21h 55m

Udon Thani

Sat 18/4

21:25-13:15

2 stops21h 50m

£944
Cheapest one-way
Fastest single journey

LondonUdon Thani

LHR - UTH

LHRUTH

London Heathrow

Fri 10/4

22:00-08:10

3 stops52h 10m

£400

Flights are sorted by cheapest return flights first.

Deals found on 20/3

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
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight to Udon Thani

How long is the flight to Udon Thani?

On average, a flight from London to Udon Thani takes 21 hours 55 minutes. Flights to Udon Thani from other popular cities in United Kingdom will vary in length. Below are a few examples of popular routes and their flight times.

What are the most popular airlines that fly to Udon Thani?

The most popular airline flying from London to Udon Thani is Thai Airways.

Thai Airways
Thai Airways
From £713

What are the cheapest airlines that fly to Udon Thani?

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

Rainfall in Udon Thani by month

Plan your trip to Udon Thani by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Udon Thani ranges from 0.0 - 250.0 inches per month. August is typically the wettest month, when rainfall can reach 250.0 mm. January is typically the driest time to visit Udon Thani when rainfall is around 0.0 mm.

Temperature in Udon Thani by month

Plan your trip to Udon Thani by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Udon Thani, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 30.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 22.0 C).

Reviews of airlines servicing Udon Thani

Get insights into the airlines that provide service to Udon Thani. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Udon Thani. Reviews last updated 22 March 2026.
Get a feel of what it's like to fly with Thai Airways to Thailand by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Thai Airways
7.8
Good
394 reviews
Check prices

Crew

8.4

Boarding

7.9

Food

7.4

Overall

7.8

Comfort

7.6

Entertainment

6.9

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
7.8
Good
394 reviews
Thai Airways
7.8
Good
394 reviews
Check prices

Crew

8.4

Boarding

7.9

Food

7.4

Overall

7.8

Comfort

7.6

Entertainment

6.9

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?

    If you book a flight to Udon Thani, you will be flying into Udon Thani, which is the city’s only airport. Udon Thani (UTH) is located 2.0 mi from the center of Udon Thani.

  • 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 £32.

  • How much is a return flight to Udon Thani?

    A return flight to Udon Thani will typically cost around £53, however they can be found for as little as £32.

  • 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 mi away from Udon Thani).

See more FAQs

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