Latest deals
Insights
When to book
FAQs
Price Alerts
Flights to Udon Thani

£552 Cheap flights to Udon Thani

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight to Udon Thani departing on 25/4. 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
Voted winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from the United Kingdom to Udon Thani

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
14:45 - 20:55
LHR
-
UTH
24h 10m
2 stops
Multiple Airlines Logo
08:40 - 07:00
UTH
-
LHR
28h 20m
2 stops
£552Multiple Airlines
Sat, 25 Apr - Mon, 11 May
Multiple Airlines Logo
16:30 - 19:30
LHR
-
UTH
20h 00m
2 stops
Multiple Airlines Logo
15:00 - 17:35
UTH
-
LHR
33h 35m
3 stops
£609Multiple Airlines
Thu, 19 Mar - Thu, 26 Mar
Multiple Airlines Logo
13:30 - 19:30
LHR
-
UTH
23h 00m
2 stops
Multiple Airlines Logo
15:00 - 11:05
UTH
-
LHR
27h 05m
2 stops
£640Multiple Airlines
Thu, 19 Mar - Thu, 26 Mar
Multiple Airlines Logo
13:00 - 19:30
LHR
-
UTH
23h 30m
3 stops
Multiple Airlines Logo
15:00 - 18:35
UTH
-
LHR
34h 35m
2 stops
£690Multiple Airlines
Fri, 20 Feb - Sat, 7 Mar
Multiple Airlines Logo
08:25 - 19:50
LHR
-
UTH
29h 25m
2 stops
Multiple Airlines Logo
09:00 - 06:30
UTH
-
LHR
27h 30m
2 stops
£692Multiple Airlines
Fri, 10 Apr - Fri, 24 Apr
Multiple Airlines Logo
16:00 - 20:55
LHR
-
UTH
22h 55m
2 stops
Multiple Airlines Logo
13:55 - 06:25
UTH
-
LHR
22h 30m
2 stops
£745Multiple Airlines
Wed, 8 Apr - Fri, 5 Jun
Multiple Airlines Logo
16:00 - 20:25
LHR
-
UTH
21h 25m
2 stops
Multiple Airlines Logo
20:55 - 17:25
UTH
-
LHR
27h 30m
2 stops
£759Multiple Airlines
Fri, 20 Feb - Sat, 7 Mar
Multiple Airlines Logo
07:05 - 19:30
LHR
-
UTH
29h 25m
2 stops
Multiple Airlines Logo
08:40 - 19:35
UTH
-
LHR
17h 55m
1 stop
£769Multiple Airlines
Thu, 19 Mar - Thu, 26 Mar
Multiple Airlines Logo
22:40 - 08:30
LHR
-
UTH
27h 50m
2 stops
Multiple Airlines Logo
20:20 - 07:15
UTH
-
LHR
16h 55m
1 stop
£790Multiple Airlines
Wed, 8 Apr - Fri, 5 Jun
Multiple Airlines Logo
06:40 - 19:50
LHR
-
UTH
31h 10m
2 stops
Multiple Airlines Logo
09:00 - 19:15
UTH
-
LHR
16h 15m
1 stop
£806Multiple Airlines
Fri, 10 Apr - Fri, 24 Apr

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 4 February 2026.
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

Sat 25/4

14:45-20:55

2 stops24h 10m

Udon Thani

Mon 11/5

08:40-07:00

2 stops28h 20m

£552

LondonUdon Thani

LHR - UTH

LHRUTH

London Heathrow

Thu 19/3

16:30-19:30

2 stops20h 00m

Udon Thani

Thu 26/3

15:00-17:35

3 stops33h 35m

£609

LondonUdon Thani

LHR - UTH

LHRUTH

London Heathrow

Thu 19/3

13:30-19:30

2 stops23h 00m

Udon Thani

Thu 26/3

15:00-11:05

2 stops27h 05m

£640

LondonUdon Thani

LHR - UTH

LHRUTH

London Heathrow

Fri 20/2

13:00-19:30

3 stops23h 30m

Udon Thani

Sat 7/3

15:00-18:35

2 stops34h 35m

£690

LondonUdon Thani

LHR - UTH

LHRUTH

London Heathrow

Fri 10/4

08:25-19:50

2 stops29h 25m

Udon Thani

Fri 24/4

09:00-06:30

2 stops27h 30m

£692

LondonUdon Thani

LHR - UTH

LHRUTH

London Heathrow

Wed 8/4

16:00-20:55

2 stops22h 55m

Udon Thani

Fri 5/6

13:55-06:25

2 stops22h 30m

£745

LondonUdon Thani

LHR - UTH

LHRUTH

London Heathrow

Fri 20/2

16:00-20:25

2 stops21h 25m

Udon Thani

Sat 7/3

20:55-17:25

2 stops27h 30m

£759

LondonUdon Thani

LHR - UTH

LHRUTH

London Heathrow

Thu 19/3

07:05-19:30

2 stops29h 25m

Udon Thani

Thu 26/3

08:40-19:35

1 stop17h 55m

£769

LondonUdon Thani

LHR - UTH

LHRUTH

London Heathrow

Wed 8/4

22:40-08:30

2 stops27h 50m

Udon Thani

Fri 5/6

20:20-07:15

1 stop16h 55m

£790

LondonUdon Thani

LHR - UTH

LHRUTH

London Heathrow

Fri 10/4

06:40-19:50

2 stops31h 10m

Udon Thani

Fri 24/4

09:00-19:15

1 stop16h 15m

£806

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

See travel insights to Udon Thani from

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 £691, 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 March to fly from United Kingdom, when ticket prices are also cheap, with an average price of £734.

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 AIRPORTOctober11% cheaperFlying from London Heathrow Airport to Udon Thani costs on average just £734 in October
MOST EXPENSIVE MONTH TO FLY TO UDON THANI FROM LONDON HEATHROW AIRPORTDecember30% more expensiveIt costs about £1,078 for flights to Udon Thani from London Heathrow Airport in December
MOST POPULAR MONTH TO FLY TO UDON THANI FROM LONDON HEATHROW AIRPORTApril450% 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 Round-Trip Price

£552

Fastest flight time

24h 10m
The best round-trip flight price to Udon Thani from United Kingdom in the last 72 hours is £552 (London Heathrow to Udon Thani).
Search Deals
The fastest flight to Udon Thani from United Kingdom takes 24h 10m (London Heathrow to Udon Thani).
Search Deals

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 £25 per person, Loei 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 £19/pp from Bangkok, which is 54% 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 20h 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 February 2026, 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.

An easier way to manage your Udon Thani trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Fri 6/3
Fri 13/3
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Udon Thani

Popular Flights to Udon Thani

Popular routes according to searches in the past day on momondo
London to Udon Thani Flightsfrom £833