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Flights to Udon Thani

£310 Cheap flights to Udon Thani

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight to Udon Thani departing on 30/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags
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Find the cheapest flights from the United Kingdom to Udon Thani

Cheap return flights

Enter your travel dates to find the best prices.
Gulf Air Logo
21:50 - 13:40LHR-UTH
32h 50m2 stops
Gulf Air Logo
14:10 - 14:45UTH-LHR
31h 35m2 stops
£707Gulf Air
Find Deal
Sun, 15 Mar - Thu, 19 Mar
Gulf Air Logo
21:50 - 13:40LHR-UTH
32h 50m2 stops
Gulf Air Logo
14:10 - 14:45UTH-LHR
31h 35m2 stops
£708Gulf Air
Find Deal
Sun, 15 Mar - Thu, 19 Mar
Multiple Airlines Logo
21:20 - 19:30LHR-UTH
15h 10m1 stop
Multiple Airlines Logo
08:40 - 19:05UTH-LHR
17h 25m1 stop
£836Multiple Airlines
Find Deal
Sat, 15 Nov - Tue, 18 Nov
Multiple Airlines Logo
21:10 - 08:10LHR-UTH
28h 00m2 stops
Multiple Airlines Logo
20:55 - 06:40UTH-LHR
16h 45m1 stop
£845Multiple Airlines
Find Deal
Fri, 14 Nov - Mon, 17 Nov
Multiple Airlines Logo
22:00 - 08:30LHR-UTH
27h 30m2 stops
Multiple Airlines Logo
20:55 - 06:40UTH-LHR
16h 45m1 stop
£861Multiple Airlines
Find Deal
Fri, 14 Nov - Sun, 16 Nov
Gulf Air Logo
09:30 - 13:40LHR-UTH
21h 10m2 stops
Gulf Air Logo
14:10 - 14:45UTH-LHR
31h 35m2 stops
£866Gulf Air
Find Deal
Sat, 15 Nov - Tue, 18 Nov
Thai Airways Logo
21:25 - 20:25LHR-UTH
17h 00m1 stop
Thai Airways Logo
08:30 - 19:35UTH-LHR
18h 05m1 stop
£905Thai Airways
Find Deal
Sat, 25 Oct - Sat, 15 Nov
Thai Airways Logo
21:25 - 20:25LHR-UTH
17h 00m1 stop
Thai Airways Logo
20:55 - 06:40UTH-LHR
16h 45m1 stop
£927Thai Airways
Find Deal
Sat, 25 Oct - Sat, 15 Nov
Turkish Airlines Logo
22:25 - 08:00LHR-UTH
27h 35m2 stops
Turkish Airlines Logo
20:55 - 16:10UTH-LHR
26h 15m2 stops
£1,160Turkish Airlines
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Sat, 25 Oct - Sat, 15 Nov
Turkish Airlines Logo
06:35 - 08:00LHR-UTH
18h 25m2 stops
Turkish Airlines Logo
20:55 - 22:25UTH-LHR
32h 30m2 stops
£1,661Turkish Airlines
Find Deal
Sun, 16 Nov - Mon, 17 Nov

momondo Fare Finder

 
Locate flights to Udon Thani that fit your budget, with regularly updated fares and availability. In the last 7 days, momondo users made a total of 279,928 searches and data was last updated on 14 October 2025.
Use the filters below to find and compare flights to Udon Thani that are best for you.

Fly from

Route

Depart

Return

Price

LondonUdon Thani

LHR - UTH

LHRUTH

London Heathrow

Sun 15/3

21:50-13:40

2 stops32h 50m

Udon Thani

Thu 19/3

14:10-14:45

2 stops31h 35m

£707

LondonUdon Thani

LHR - UTH

LHRUTH

London Heathrow

Sun 15/3

21:50-13:40

2 stops32h 50m

Udon Thani

Thu 19/3

14:10-14:45

2 stops31h 35m

£708

LondonUdon Thani

LHR - UTH

LHRUTH

London Heathrow

Sat 15/11

21:20-19:30

1 stop15h 10m

Udon Thani

Tue 18/11

08:40-19:05

1 stop17h 25m

£836

LondonUdon Thani

LHR - UTH

LHRUTH

London Heathrow

Fri 14/11

21:10-08:10

2 stops28h 00m

Udon Thani

Mon 17/11

20:55-06:40

1 stop16h 45m

£845

LondonUdon Thani

LHR - UTH

LHRUTH

London Heathrow

Fri 14/11

22:00-08:30

2 stops27h 30m

Udon Thani

Sun 16/11

20:55-06:40

1 stop16h 45m

£861

LondonUdon Thani

LHR - UTH

LHRUTH

London Heathrow

Sat 15/11

09:30-13:40

2 stops21h 10m

Udon Thani

Tue 18/11

14:10-14:45

2 stops31h 35m

£866

LondonUdon Thani

LHR - UTH

LHRUTH

London Heathrow

Sat 25/10

21:25-20:25

1 stop17h 00m

Udon Thani

Sat 15/11

08:30-19:35

1 stop18h 05m

£905

LondonUdon Thani

LHR - UTH

LHRUTH

London Heathrow

Sat 25/10

21:25-20:25

1 stop17h 00m

Udon Thani

Sat 15/11

20:55-06:40

1 stop16h 45m

£927

LondonUdon Thani

LHR - UTH

LHRUTH

London Heathrow

Sat 25/10

22:25-08:00

2 stops27h 35m

Udon Thani

Sat 15/11

20:55-16:10

2 stops26h 15m

£1,160

LondonUdon Thani

LHR - UTH

LHRUTH

London Heathrow

Sun 16/11

06:35-08:00

2 stops18h 25m

Udon Thani

Mon 17/11

20:55-22:25

2 stops32h 30m

£1,661

Flights are sorted by cheapest return flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
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Udon Thani flights insights and trends

Explore insights for your Udon Thani flight to craft the best travel plan

What is the cheapest month to fly to Udon Thani?

The cheapest month to fly to Udon Thani from United Kingdom is in May. Flight prices, which tend to average around £709, 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 United Kingdom, when ticket prices are also cheap, with an average price of £750.

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

The cheapest day to depart from United Kingdom 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 £789. On the other hand, Tuesday is the most expensive day to depart from United Kingdom because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £936.

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 United Kingdom to Udon Thani in the evening for as low as £838. 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 £842. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

Cheapest flights to Udon Thani

Find the cheapest flights to Udon Thani from your nearest city or airport
Find flights from London Heathrow Airport to Udon Thani
CHEAPEST MONTH TO FLY TO UDON THANI FROM LONDON HEATHROW AIRPORTOctober22% cheaperFlying from London Heathrow Airport to Udon Thani costs on average just £710 in October
MOST EXPENSIVE MONTH TO FLY TO UDON THANI FROM LONDON HEATHROW AIRPORTDecember127% more expensiveIt costs about £2,056 for flights to Udon Thani from London Heathrow Airport in December
MOST POPULAR MONTH TO FLY TO UDON THANI FROM LONDON HEATHROW AIRPORTApril625% more users visitedMore momondo users searched in flights to Udon Thani from London Heathrow Airport in April than any other month

Cheap Udon Thani flight deals and tips

Summary info about Udon Thani flight prices, duration and airlines

Best One-Way Price

£310

Best Round-Trip Price

£707

Fastest flight time

18h 50m
The best one-way flight price to Udon Thani from United Kingdom in the last 72 hours is £310 (London Heathrow to Udon Thani).
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The best round-trip flight price to Udon Thani from United Kingdom in the last 72 hours is £707 (London Heathrow to Udon Thani).
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The fastest flight to Udon Thani from United Kingdom takes 18h 50m (London Heathrow to Udon Thani).
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Frequently asked questions about flying to Udon Thani

Is there an alternative airport near Udon Thani?

Those flying to Udon Thani could potentially find better pricing at Khon Kaen Airport (66 mi from Udon Thani city centre), Loei Airport (70 mi from Udon Thani city centre) or Sakon Nakhon Airport (91 mi from Udon Thani city centre) depending on the month and departure airport.

Is there a cheaper alternative to flying into Udon Thani?

With an average price of £45 per person, Khon Kaen Airport is the cheapest airport to fly into when planning your trip to Udon Thani. This price can fluctuate based on where you are flying from. momondo’s Airport-to-Airport Pricing Tool can help users find the best prices.

What is the absolute cheapest flight to Udon Thani?

The best price found on momondo to Udon Thani was £23/pp from Bangkok, which is 49% cheaper than the average flight price to Udon Thani. To find the cheapest price to Udon Thani from your area, use momondo’s Airport-to-Airport Pricing Tool.

How long does it take to fly to Udon Thani?

Flight times vary depending on what airport in United Kingdom you fly out of and what airport in Udon Thani you fly into. For example, flying from London Heathrow to Udon Thani takes 16h 50m on average. On the other hand, flying from Manchester to Udon Thani takes on average. Keep in mind that it’s always quicker to opt for a non-stop flight, so be sure to check momondo to see if there are any available for your route.

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

Prices for flights to Udon Thani Airport refresh daily.

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

As of October 2025, there are 5 operators available to choose from for flights to Udon Thani Airport.

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

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel to Udon Thani Airport.

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

The required travel and health documents for your Udon Thani Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Udon Thani Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Why use momondo?

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

Finding the right flight to Udon Thani is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. These options can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Udon Thani quick and easy, saving you time and money.

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

momondo does allow users to show only those flights to Udon Thani which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights to Udon Thani?

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

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

Price alerts on flights to Udon Thani are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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Popular Flights to Udon Thani

Popular routes according to searches in the past day on momondo
London to Udon Thani Flightsfrom £837