When did momondo last update prices for flights from London to Udon Thani Airport?

Prices for flights from London to Udon Thani Airport are updated daily.

How many operators does momondo search for flights from London to Udon Thani Airport?

As of December 2025, there is 1 operator available to choose from for flights from London to Udon Thani Airport.

How old do you have to be to fly from London to Udon Thani Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London to Udon Thani Airport.

What documentation or ID do you need to fly to Udon Thani Airport?

The travel and health documents you'll need for your trip to Udon Thani Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Udon Thani Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

£609 Cheap Flights from London to Udon Thani in 2025/26

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0 bags

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Find the cheapest flights from London to Udon Thani

Round-trip

One-way

Cheap return flights

Enter your travel dates to find the best prices.

08:25 - 19:30

LHR

UTH

28h 05m2 stops

08:40 - 05:55

UTH

LHR

28h 15m2 stops

£609Multiple Airlines

Sat, 31 Jan - Sat, 7 Feb

06:30 - 14:25

LHR

UTH

24h 55m3 stops

14:10 - 16:20

UTH

LHR

33h 10m2 stops

£631Multiple Airlines

Tue, 6 Jan - Tue, 17 Mar

21:00 - 21:05

LHR

UTH

41h 05m2 stops

08:40 - 17:30

UTH

LHR

39h 50m2 stops

£639Multiple Airlines

Thu, 8 Jan - Wed, 18 Mar

13:30 - 19:30

LHR

UTH

23h 00m2 stops

08:40 - 18:10

UTH

LHR

40h 30m2 stops

£651Multiple Airlines

Tue, 6 Jan - Tue, 17 Mar

06:30 - 14:25

LHR

UTH

24h 55m3 stops

20:00 - 18:10

UTH

LHR

29h 10m2 stops

£683Multiple Airlines

Tue, 6 Jan - Wed, 18 Mar

21:00 - 08:10

LHR

UTH

28h 10m2 stops

20:00 - 06:40

UTH

LHR

17h 40m1 stop

£801Multiple Airlines

Sat, 31 Jan - Sat, 7 Feb

20:25 - 15:45

LHR

UTH

36h 20m2 stops

20:00 - 06:40

UTH

LHR

17h 40m1 stop

£807Multiple Airlines

Thu, 8 Jan - Wed, 18 Mar

21:35 - 20:20

LHR

UTH

15h 45m1 stop

14:10 - 19:35

UTH

LHR

36h 25m1 stop

£814Thai Airways

Sat, 31 Jan - Sat, 7 Feb

22:10 - 15:45

LHR

UTH

34h 35m2 stops

08:40 - 19:35

UTH

LHR

17h 55m1 stop

£832Multiple Airlines

Tue, 6 Jan - Tue, 17 Mar

13:50 - 19:30

LHR

UTH

22h 40m2 stops

08:40 - 06:25

UTH

LHR

28h 45m2 stops

£840Multiple Airlines

Tue, 6 Jan - Wed, 18 Mar

Gulf Air flights from London to Udon Thani

Our best Gulf Air deals on London to Udon Thani flight tickets

Gulf Air

7 Jun

LHR10:00London Heathrow

21h 25m

2 stops

UTH13:25Udon Thani

10 Jun

UTH13:55Udon Thani

31h 25m

2 stops

LHR15:20London Heathrow

£859

Find similar

Gulf Air

7 Jun

LHR10:00London Heathrow

21h 25m

2 stops

UTH13:25Udon Thani

10 Jun

UTH13:55Udon Thani

31h 25m

2 stops

LHR15:20London Heathrow

£861

Find similar

Gulf Air

7 Jun

LHR10:00London Heathrow

21h 25m

2 stops

UTH13:25Udon Thani

10 Jun

UTH13:55Udon Thani

31h 25m

2 stops

LHR15:20London Heathrow

£879

Find similar

Thai Airways flights from London to Udon Thani

Our best Thai Airways deals on London to Udon Thani flight tickets

Thai Airways

31 Jan

LHR21:35London Heathrow

15h 45m

1 stop

UTH20:20Udon Thani

7 Feb

UTH14:10Udon Thani

36h 25m

1 stop

LHR19:35London Heathrow

£814

Find similar

Thai Airways

8 Jan

LHR21:35London Heathrow

15h 45m

1 stop

UTH20:20Udon Thani

18 Mar

UTH20:50Udon Thani

29h 45m

1 stop

LHR19:35London Heathrow

£924

Find similar

Thai Airways

2 Apr

LHR12:30London Heathrow

18h 55m

1 stop

UTH13:25Udon Thani

19 Apr

UTH08:40Udon Thani

28h 35m

1 stop

LHR07:15London Heathrow

£930

Find similar

Fly from

Fly to

Route

Depart

Return

Price

LondonUdon Thani

LHR - UTH

LHRUTH

London Heathrow

Sat 31/1

08:25-19:30

2 stops28h 05m

Udon Thani

Sat 7/2

08:40-05:55

2 stops28h 15m

£609

LondonUdon Thani

LHR - UTH

LHRUTH

London Heathrow

Tue 6/1

06:30-14:25

3 stops24h 55m

Udon Thani

Tue 17/3

14:10-16:20

2 stops33h 10m

£631

LondonUdon Thani

LHR - UTH

LHRUTH

London Heathrow

Thu 8/1

21:00-21:05

2 stops41h 05m

Udon Thani

Wed 18/3

08:40-17:30

2 stops39h 50m

£639

LondonUdon Thani

LHR - UTH

LHRUTH

London Heathrow

Tue 6/1

13:30-19:30

2 stops23h 00m

Udon Thani

Tue 17/3

08:40-18:10

2 stops40h 30m

£651

LondonUdon Thani

LHR - UTH

LHRUTH

London Heathrow

Tue 6/1

06:30-14:25

3 stops24h 55m

Udon Thani

Wed 18/3

20:00-18:10

2 stops29h 10m

£683

LondonUdon Thani

LHR - UTH

LHRUTH

London Heathrow

Sat 31/1

21:00-08:10

2 stops28h 10m

Udon Thani

Sat 7/2

20:00-06:40

1 stop17h 40m

£801

LondonUdon Thani

LHR - UTH

LHRUTH

London Heathrow

Thu 8/1

20:25-15:45

2 stops36h 20m

Udon Thani

Wed 18/3

20:00-06:40

1 stop17h 40m

£807

LondonUdon Thani

LHR - UTH

LHRUTH

London Heathrow

Sat 31/1

21:35-20:20

1 stop15h 45m

Udon Thani

Sat 7/2

14:10-19:35

1 stop36h 25m

£814

LondonUdon Thani

LHR - UTH

LHRUTH

London Heathrow

Tue 6/1

22:10-15:45

2 stops34h 35m

Udon Thani

Tue 17/3

08:40-19:35

1 stop17h 55m

£832

LondonUdon Thani

LHR - UTH

LHRUTH

London Heathrow

Tue 6/1

13:50-19:30

2 stops22h 40m

Udon Thani

Wed 18/3

08:40-06:25

2 stops28h 45m

£840

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

How to get the cheapest flight ticket from London to Udon Thani

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Udon Thani?

The cheapest month to fly to Udon Thani from London is in May. Flight prices, which tend to average around £707, are often lower during this time because this is during the off-season. If you don’t want to visit Udon Thani in May, then you should wait until February to fly from London, when ticket prices are also cheap, with an average price of £748.

What is the cheapest day to depart on your flight to Udon Thani?

The cheapest day to depart from London to Udon Thani is on a Friday. Travellers who choose to depart for Udon Thani on a Friday will often find tickets for as low as £787. On the other hand, Tuesday is the most expensive day to depart from London because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £934.

What is the cheapest time of day to depart on your flight to Udon Thani?

According to our data, the cheapest time of day to fly to Udon Thani is in the evening. momondo users have found flights departing from London to Udon Thani in the evening for as low as £836. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Udon Thani are more costly in the morning, with an average ticket price of £840. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

When to book flights from London to Udon Thani

Are you open to changing your travel dates? Check out the ideal times to fly from London to Udon Thani according to our flight data. Find out which month and days have the cheapest flights.

Estimated return price

Cheap London to Udon Thani (LON to UTH) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London to Udon Thani

Fastest flight time	21h 25m
Direct flights	None

The fastest flight from London to Udon Thani takes 21h 25m

There are no direct flights from London to Udon Thani. There are no popular flight routes from London to Udon Thani.

Search flight deals

How far is London to Udon Thani by plane?
A flight from London to Udon Thani will travel around 5811.8 mi. In terms of flight time, this usually takes a little over 21h 25m.
When did momondo last update prices for flights from London to Udon Thani Airport?
Prices for flights from London to Udon Thani Airport are updated daily.
How many operators does momondo search for flights from London to Udon Thani Airport?
As of December 2025, there is 1 operator available to choose from for flights from London to Udon Thani Airport.
How old do you have to be to fly from London to Udon Thani Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London to Udon Thani Airport.
What documentation or ID do you need to fly to Udon Thani Airport?
The travel and health documents you'll need for your trip to Udon Thani Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Udon Thani Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from London to Udon Thani?
Based on momondo bookings for flights between London and Udon Thani, the leading airline is Thai Airways, making up 100% of the total bookings.

Best airlines flying from London to Udon Thani

Compare and see reviews for airlines that fly from London to Udon Thani with momondo

Airline	Rating	Free Cancellation	Price
Thai Airways	PriceFrom £684	Free Cancellation	Rating 7.8 366 reviews		Search Thai Airways flights

Why use momondo?

Why should I use momondo to find a flight deal from London to Udon Thani?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Udon Thani from London.

Can I find flights from London to Udon Thani with flexible booking policies on momondo?

Yes. All flights to Udon Thani from London on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from London to Udon Thani?

momondo provides multiple filters to help you find the best flight to Udon Thani from London. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from London to Udon Thani right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Udon Thani from London. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.