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 May 2026, 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.

£363 Cheap Flights from London to Udon Thani in 2026

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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.

14:40 - 19:50

LHR

UTH

23h 10m

2 stops

09:00 - 12:40

UTH

LHR

33h 40m

2 stops

£636Multiple Airlines

Sun, 27 Sep - Fri, 9 Oct

18:55 - 08:00

LHR

UTH

30h 05m

2 stops

14:10 - 06:25

UTH

LHR

23h 15m

2 stops

£688Multiple Airlines

Mon, 2 Nov - Sun, 22 Nov

08:25 - 13:25

LHR

UTH

23h 00m

2 stops

21:25 - 13:15

UTH

LHR

21h 50m

2 stops

£695Multiple Airlines

Wed, 24 Jun - Wed, 1 Jul

10:00 - 13:25

LHR

UTH

21h 25m

2 stops

13:55 - 06:55

UTH

LHR

23h 00m

2 stops

£745Gulf Air

Wed, 17 Jun - Sun, 21 Jun

10:00 - 13:25

LHR

UTH

21h 25m

2 stops

13:55 - 06:55

UTH

LHR

23h 00m

2 stops

£746Gulf Air

Tue, 16 Jun - Sat, 20 Jun

22:05 - 13:25

LHR

UTH

33h 20m

2 stops

13:55 - 06:55

UTH

LHR

23h 00m

2 stops

£747Gulf Air

Tue, 16 Jun - Sat, 20 Jun

10:00 - 13:25

LHR

UTH

21h 25m

2 stops

13:55 - 15:20

UTH

LHR

31h 25m

2 stops

£783Gulf Air

Tue, 16 Jun - Sat, 20 Jun

21:10 - 09:40

LHR

UTH

29h 30m

2 stops

08:40 - 19:05

UTH

LHR

17h 25m

1 stop

£928Multiple Airlines

Mon, 2 Nov - Sun, 22 Nov

12:30 - 13:25

LHR

UTH

18h 55m

1 stop

14:55 - 18:10

UTH

LHR

33h 15m

2 stops

£939Multiple Airlines

Wed, 24 Jun - Wed, 1 Jul

21:45 - 08:10

LHR

UTH

28h 25m

2 stops

08:40 - 19:20

UTH

LHR

16h 40m

1 stop

£980Multiple Airlines

Sun, 27 Sep - Fri, 9 Oct

Gulf Air flights from London to Udon Thani

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

Gulf Air

17 Jun

LHR10:00London Heathrow

21h 25m

2 stops

UTH13:25Udon Thani

21 Jun

UTH13:55Udon Thani

23h 00m

2 stops

LHR06:55London Heathrow

£745

Gulf Air

16 Jun

LHR10:00London Heathrow

21h 25m

2 stops

UTH13:25Udon Thani

20 Jun

UTH13:55Udon Thani

23h 00m

2 stops

LHR06:55London Heathrow

£746

Gulf Air

16 Jun

LHR22:05London Heathrow

33h 20m

2 stops

UTH13:25Udon Thani

20 Jun

UTH13:55Udon Thani

23h 00m

2 stops

LHR06:55London Heathrow

£747

Thai Airways flights from London to Udon Thani

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

Thai Airways

2 Nov

LHR11:50London Heathrow

25h 30m

1 stop

UTH20:20Udon Thani

22 Nov

UTH08:30Udon Thani

29h 10m

1 stop

LHR06:40London Heathrow

£1,087

Thai Airways

25 Jun

LHR21:25London Heathrow

17h 30m

1 stop

UTH20:55Udon Thani

2 Jul

UTH21:25Udon Thani

15h 50m

1 stop

LHR07:15London Heathrow

£1,095

Thai Airways

24 Jun

LHR12:30London Heathrow

18h 55m

1 stop

UTH13:25Udon Thani

1 Jul

UTH21:25Udon Thani

15h 50m

1 stop

LHR07:15London Heathrow

£1,095

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonUdon Thani

LHR - UTH

LHRUTH

London Heathrow

Sun 27/9

14:40-19:50

2 stops23h 10m

Udon Thani

Fri 9/10

09:00-12:40

2 stops33h 40m

£636

LondonUdon Thani

LHR - UTH

LHRUTH

London Heathrow

Mon 2/11

18:55-08:00

2 stops30h 05m

Udon Thani

Sun 22/11

14:10-06:25

2 stops23h 15m

£688

LondonUdon Thani

LHR - UTH

LHRUTH

London Heathrow

Wed 24/6

08:25-13:25

2 stops23h 00m

Udon Thani

Wed 1/7

21:25-13:15

2 stops21h 50m

£695

Fastest return journey

LondonUdon Thani

LHR - UTH

LHRUTH

London Heathrow

Wed 17/6

10:00-13:25

2 stops21h 25m

Udon Thani

Sun 21/6

13:55-06:55

2 stops23h 00m

£745

LondonUdon Thani

LHR - UTH

LHRUTH

London Heathrow

Tue 16/6

10:00-13:25

2 stops21h 25m

Udon Thani

Sat 20/6

13:55-06:55

2 stops23h 00m

£746

LondonUdon Thani

LHR - UTH

LHRUTH

London Heathrow

Tue 16/6

22:05-13:25

2 stops33h 20m

Udon Thani

Sat 20/6

13:55-06:55

2 stops23h 00m

£747

LondonUdon Thani

LHR - UTH

LHRUTH

London Heathrow

Tue 16/6

10:00-13:25

2 stops21h 25m

Udon Thani

Sat 20/6

13:55-15:20

2 stops31h 25m

£783

LondonUdon Thani

LHR - UTH

LHRUTH

London Heathrow

Mon 2/11

21:10-09:40

2 stops29h 30m

Udon Thani

Sun 22/11

08:40-19:05

1 stop17h 25m

£928

LondonUdon Thani

LHR - UTH

LHRUTH

London Heathrow

Wed 24/6

12:30-13:25

1 stop18h 55m

Udon Thani

Wed 1/7

14:55-18:10

2 stops33h 15m

£939

LondonUdon Thani

LHR - UTH

LHRUTH

London Heathrow

Sun 27/9

21:45-08:10

2 stops28h 25m

Udon Thani

Fri 9/10

08:40-19:20

1 stop16h 40m

£980

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 July. Flight prices, which tend to average around £614, are often lower during this time because this is during the off-season. If you don’t want to visit Udon Thani in July, then you should wait until November to fly from London, when ticket prices are also cheap, with an average price of £683.

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	18h 05m
Direct flights	None

The fastest flight from London to Udon Thani takes 18h 05m

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

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Frequently asked questions about flying from London to Udon Thani

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 18h 05m.
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 May 2026, 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 £726	Free Cancellation	Rating 7.9 401 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.