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.

£340 Cheap Flights from London to Udon Thani in 2025/26

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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.

22:05 - 13:25

LHR

UTH

33h 20m2 stops

13:55 - 15:20

UTH

LHR

31h 25m2 stops

£1,007Gulf Air

Sun, 7 Jun - Wed, 10 Jun

10:00 - 13:25

LHR

UTH

21h 25m2 stops

13:55 - 06:55

UTH

LHR

23h 00m2 stops

£1,007Gulf Air

Sun, 7 Jun - Wed, 10 Jun

13:30 - 19:30

LHR

UTH

23h 00m2 stops

20:00 - 22:40

UTH

LHR

33h 40m2 stops

£1,140Multiple Airlines

Mon, 5 Jan - Sat, 10 Jan

11:50 - 13:40

LHR

UTH

18h 50m1 stop

20:50 - 18:55

UTH

LHR

53h 05m2 stops

£1,170Multiple Airlines

Mon, 5 Jan - Sat, 10 Jan

21:35 - 20:25

LHR

UTH

15h 50m1 stop

20:50 - 19:35

UTH

LHR

29h 45m1 stop

£1,268Thai Airways

Thu, 25 Dec - Sat, 17 Jan

11:50 - 20:25

LHR

UTH

25h 35m1 stop

20:50 - 09:55

UTH

LHR

20h 05m2 stops

£1,410Multiple Airlines

Thu, 25 Dec - Sat, 17 Jan

11:50 - 13:40

LHR

UTH

18h 50m1 stop

20:50 - 19:05

UTH

LHR

29h 15m1 stop

£1,432Multiple Airlines

Mon, 5 Jan - Sat, 10 Jan

14:55 - 20:25

LHR

UTH

22h 30m2 stops

20:50 - 12:15

UTH

LHR

22h 25m2 stops

£1,882Multiple Airlines

Sat, 27 Dec - Sun, 4 Jan

19:25 - 20:25

LHR

UTH

18h 00m2 stops

08:30 - 21:40

UTH

LHR

20h 10m2 stops

£2,144Multiple Airlines

Thu, 25 Dec - Sat, 17 Jan

13:50 - 20:25

LHR

UTH

23h 35m2 stops

20:50 - 17:25

UTH

LHR

27h 35m2 stops

£2,255Multiple Airlines

Sat, 27 Dec - Sun, 4 Jan

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

£767

Find similar

Gulf Air

7 Jun

LHR22:05London Heathrow

33h 20m

2 stops

UTH13:25Udon Thani

10 Jun

UTH13:55Udon Thani

31h 25m

2 stops

LHR15:20London Heathrow

£1,007

Find similar

Gulf Air

7 Jun

LHR22:05London Heathrow

33h 20m

2 stops

UTH13:25Udon Thani

10 Jun

UTH13:55Udon Thani

23h 00m

2 stops

LHR06:55London Heathrow

£1,007

Find similar

Thai Airways flights from London to Udon Thani

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

Thai Airways

25 Dec

LHR11:50London Heathrow

18h 50m

1 stop

UTH13:40Udon Thani

17 Jan

UTH20:50Udon Thani

29h 45m

1 stop

LHR19:35London Heathrow

£2,416

Find similar

Thai Airways

27 Dec

LHR11:50London Heathrow

25h 35m

1 stop

UTH20:25Udon Thani

4 Jan

UTH08:30Udon Thani

18h 05m

1 stop

LHR19:35London Heathrow

£2,452

Find similar

Thai Airways

25 Dec

LHR21:35London Heathrow

15h 50m

1 stop

UTH20:25Udon Thani

17 Jan

UTH14:10Udon Thani

36h 25m

1 stop

LHR19:35London Heathrow

£3,053

Find similar

Fly from

Fly to

Route

Depart

Return

Price

LondonUdon Thani

LHR - UTH

LHRUTH

London Heathrow

Sun 7/6

22:05-13:25

2 stops33h 20m

Udon Thani

Wed 10/6

13:55-15:20

2 stops31h 25m

£1,007

LondonUdon Thani

LHR - UTH

LHRUTH

London Heathrow

Sun 7/6

10:00-13:25

2 stops21h 25m

Udon Thani

Wed 10/6

13:55-06:55

2 stops23h 00m

£1,007

LondonUdon Thani

LHR - UTH

LHRUTH

London Heathrow

Mon 5/1

13:30-19:30

2 stops23h 00m

Udon Thani

Sat 10/1

20:00-22:40

2 stops33h 40m

£1,140

LondonUdon Thani

LHR - UTH

LHRUTH

London Heathrow

Mon 5/1

11:50-13:40

1 stop18h 50m

Udon Thani

Sat 10/1

20:50-18:55

2 stops53h 05m

£1,170

LondonUdon Thani

LHR - UTH

LHRUTH

London Heathrow

Thu 25/12

21:35-20:25

1 stop15h 50m

Udon Thani

Sat 17/1

20:50-19:35

1 stop29h 45m

£1,268

LondonUdon Thani

LHR - UTH

LHRUTH

London Heathrow

Thu 25/12

11:50-20:25

1 stop25h 35m

Udon Thani

Sat 17/1

20:50-09:55

2 stops20h 05m

£1,410

LondonUdon Thani

LHR - UTH

LHRUTH

London Heathrow

Mon 5/1

11:50-13:40

1 stop18h 50m

Udon Thani

Sat 10/1

20:50-19:05

1 stop29h 15m

£1,432

LondonUdon Thani

LHR - UTH

LHRUTH

London Heathrow

Sat 27/12

14:55-20:25

2 stops22h 30m

Udon Thani

Sun 4/1

20:50-12:15

2 stops22h 25m

£1,882

LondonUdon Thani

LHR - UTH

LHRUTH

London Heathrow

Thu 25/12

19:25-20:25

2 stops18h 00m

Udon Thani

Sat 17/1

08:30-21:40

2 stops20h 10m

£2,144

LondonUdon Thani

LHR - UTH

LHRUTH

London Heathrow

Sat 27/12

13:50-20:25

2 stops23h 35m

Udon Thani

Sun 4/1

20:50-17:25

2 stops27h 35m

£2,255

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted 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 £706, 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 £786. 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 £933.

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 £835. 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 £839. 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 £683	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.