£546 Cheap Flights from London Heathrow (LHR) to Udon Thani (UTH)

Q: How much are return flights from London Heathrow to Udon Thani?

The best price we found for a return flight from London Heathrow to Udon Thani is £546. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.

Q: Which airlines fly direct from London Heathrow to Udon Thani?

Currently, there are no airlines that fly direct from London Heathrow to Udon Thani. But we found flights with one or more stops from £546.

Q: How many flights are there a week from London Heathrow to Udon Thani?

As of June 2025, there are no flights flying from London Heathrow to Udon Thani.

Q: When is the cheapest time to fly from London Heathrow to Udon Thani?

The cheapest month to fly from London Heathrow to Udon Thani is usually June 2025.

Q: Which upcoming date is cheapest to fly from London Heathrow Airport to Udon Thani Airport on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from London Heathrow Airport to Udon Thani Airport on Friday, 13 June 2025 .

Q: Can I get a direct flight from London Heathrow Airport to Udon Thani Airport?

No airlines currently offer direct flights between London Heathrow Airport and Udon Thani Airport. Most routes have one or more stops.

Q: How can I find the best flight deal to Udon Thani?

We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Udon Thani but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

Q: When is the best time to book flights to Udon Thani?

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Udon Thani is around 40 days in advance, so don’t leave your flight to the last minute.

Q: Which is the cheapest airline to fly from London Heathrow Airport to Udon Thani with?

Currently, Lufthansa offers the cheapest flight tickets to Udon Thani.

Compare London Heathrow to Udon Thani flight deals

Find the cheapest month or even day of the year to fly to Udon Thani

Book the best Udon Thani fare with no extra fees

Flight deals Cheapest month Find the best route Route info FAQs Tips and advice

Flight deals from London Heathrow to Udon Thani

Looking for a cheap last-minute deal or the best return flight from London Heathrow to Udon Thani? Find the lowest prices on one-way and return tickets right here.

Udon Thani.£546 per passenger.Departing Fri, 13 Jun, returning Sun, 15 Jun.Return flight with Lufthansa and Thai AirAsia.Outbound indirect flight with Lufthansa, departs from London Heathrow on Fri, 13 Jun, arriving in Udon Thani.Inbound indirect flight with Thai AirAsia, departs from Udon Thani on Sun, 15 Jun, arriving in London Heathrow.Price includes taxes and charges.From £546, select.

Udon Thani.£569 per passenger.Departing Fri, 5 Sep, returning Sat, 27 Sep.Return flight with SWISS and Nok Air.Outbound indirect flight with SWISS, departs from London Heathrow on Fri, 5 Sep, arriving in Udon Thani.Inbound indirect flight with Nok Air, departs from Udon Thani on Sat, 27 Sep, arriving in London Heathrow.Price includes taxes and charges.From £569, select.

Udon Thani.£577 per passenger.Departing Sat, 25 Oct, returning Mon, 10 Nov.Return flight with Scandinavian Airlines and Thai AirAsia.Outbound indirect flight with Scandinavian Airlines, departs from London Heathrow on Sat, 25 Oct, arriving in Udon Thani.Inbound indirect flight with Thai AirAsia, departs from Udon Thani on Mon, 10 Nov, arriving in London Heathrow.Price includes taxes and charges.From £577, select.

Udon Thani.£589 per passenger.Departing Sat, 23 Aug, returning Sat, 13 Sep.Return flight with LOT and Thai VietJet Air.Outbound indirect flight with LOT, departs from London Heathrow on Sat, 23 Aug, arriving in Udon Thani.Inbound indirect flight with Thai VietJet Air, departs from Udon Thani on Sat, 13 Sep, arriving in London Heathrow.Price includes taxes and charges.From £589, select.

Udon Thani.£599 per passenger.Departing Thu, 27 Nov, returning Sun, 14 Dec.Return flight with SWISS and Nok Air.Outbound indirect flight with SWISS, departs from London Heathrow on Thu, 27 Nov, arriving in Udon Thani.Inbound indirect flight with Nok Air, departs from Udon Thani on Sun, 14 Dec, arriving in London Heathrow.Price includes taxes and charges.From £599, select.

Udon Thani.£608 per passenger.Departing Wed, 1 Oct, returning Fri, 31 Oct.Return flight with Lufthansa and Thai AirAsia.Outbound indirect flight with Lufthansa, departs from London Heathrow on Wed, 1 Oct, arriving in Udon Thani.Inbound indirect flight with Thai AirAsia, departs from Udon Thani on Fri, 31 Oct, arriving in London Heathrow.Price includes taxes and charges.From £608, select.

Udon Thani.£609 per passenger.Departing Tue, 12 Aug, returning Thu, 14 Aug.Return flight with KLM and Thai Airways.Outbound indirect flight with KLM, departs from London Heathrow on Tue, 12 Aug, arriving in Udon Thani.Inbound indirect flight with Thai Airways, departs from Udon Thani on Thu, 14 Aug, arriving in London Heathrow.Price includes taxes and charges.From £609, select.

Udon Thani.£612 per passenger.Departing Sat, 14 Mar, returning Sat, 28 Mar.Return flight with Oman Air and Nok Air.Outbound indirect flight with Oman Air, departs from London Heathrow on Sat, 14 Mar, arriving in Udon Thani.Inbound indirect flight with Nok Air, departs from Udon Thani on Sat, 28 Mar, arriving in London Heathrow.Price includes taxes and charges.From £612, select.

The cheapest month to fly from London Heathrow Airport to Udon Thani Airport

We’re always keeping an eye on fares, to help you find the lowest one in seconds. Check out the London Heathrow Airport to Udon Thani Airport flight prices forecast over the next 12 months.

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Jan

Feb

Mar

Apr

May

Cheapest month:June

Most expensive month:December

London Heathrow to Udon Thani: Alternative routes

Compare routes from London Heathrow to Udon Thani below. You may find an airport to fly into that's cheaper, faster, or easier than Udon Thani.

London to Udon Thani: Flight information

The things to know before you go.

Cheapest flight found	£546
Cheapest month to fly	June

Finding cheap flights from London Heathrow to Udon Thani: Frequently asked questions

How much are return flights from London Heathrow to Udon Thani?

Which airlines fly direct from London Heathrow to Udon Thani?

How many flights are there a week from London Heathrow to Udon Thani?

When is the cheapest time to fly from London Heathrow to Udon Thani?

Which upcoming date is cheapest to fly from London Heathrow Airport to Udon Thani Airport on?

Can I get a direct flight from London Heathrow Airport to Udon Thani Airport?

How can I find the best flight deal to Udon Thani?

When is the best time to book flights to Udon Thani?

Which is the cheapest airline to fly from London Heathrow Airport to Udon Thani with?

Flying from London Heathrow Airport (LHR) to Udon Thani International Airport (UTH): what you need to know

The timezone in Udon Thani is UTC+7, which is seven hours ahead of London.
Arrive at the airport on time so you don't miss your LHR to UTH flight. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid a last-minute sprint to the gate.
Travelling during a peak month such as July? Public holidays and other popular seasons can lead to longer queues and delays at check-in and security. Play it safe and arrive up to four hours before an international flight and two hours before domestic departures.
If you want to check out a different city along the way, search for a flight with a stopover. To see your options for tickets from London Heathrow Airport to Udon Thani International Airport, deselect 'Direct flights only.' Suvarnabhumi Airport is a well-known stop between LHR and UTH.

How to find the cheapest flights from London Heathrow Airport (LHR) to Udon Thani International Airport (UTH)

The cheapest price we've found for a one-way London Heathrow Airport to Udon Thani International Airport flight is £315. A round-trip plane ticket right now is £546. Depending on the availability and when you book, these fares can change.
It's a good idea to book early if you want to get cheap tickets from LHR to UTH. That's because airlines adjust prices based on demand, which tends to rise closer to departure.
If you're willing to be flexible with your travel dates, use the 'Whole month' search function. It'll find the cheapest price across the month when looking for your flight from London Heathrow Airport to Udon Thani International Airport.
Picking up cheap flights from LHR to UTH couldn't be easier with Price Alerts. Simply create one of these automatic alerts and we'll get in touch as soon as there's a better deal.
Tailor your flights using filters. Pick your ideal arrival and departure times, airlines and total journey duration. You can also sort results by 'Fastest,' 'Best' or 'Cheapest' flights from London Heathrow Airport to Udon Thani International Airport.

Handy information about London Heathrow Airport (LHR)

When it comes to the on-time performance of London Heathrow Airport, 68.18% of flights complete their journey on time.
To reach London Heathrow Airport from central London, it'll take about 55 minutes if you're travelling by car. Of course, this depends on traffic. It's approximately 19 miles from the airport to the city centre.
Expect a trip time of around 1 hour when using public transport.
Need a handy hotel near LHR? If you've booked an early flight from London Heathrow Airport to Udon Thani International Airport, these accommodation options will have you sleeping moments from your departure gate:

Arriving at Udon Thani International Airport (UTH)

If you're coming in on a late London Heathrow Airport to Udon Thani International Airport flight, nothing tops the convenience of being near the terminal. Grab your suitcases from the carousel and then be resting soon after at one of these hotels near UTH:
Pick up an Udon Thani International Airport rental car and discover Udon Thani and beyond with your own set of wheels. Chic Car Rent, Hertz and Budget are well-known companies you can book with here.
Lock in the best deal by reserving your ride from Udon Thani International Airport around three weeks before your travel date.

Getting from Udon Thani International Airport (UTH) to central Udon Thani

Udon Thani International Airport is approximately 7 miles from central Udon Thani. The drive time takes around 15 minutes.

When to fly to Udon Thani International Airport (UTH)

January is the most popular month for flights from London Heathrow Airport to Udon Thani International Airport. To escape the crowds, travel to Udon Thani in February.
When booking your flight from London Heathrow Airport to Udon Thani International Airport, consider the kind of weather you enjoy. April is the warmest month in Udon Thani, with temperatures ranging from 24ºC (75ºF) to 42ºC (108ºF).
January has average temperatures of between 14ºC (57ºF) and 31ºC (88ºF). Search for cheap tickets from LHR to UTH around that time if you like travelling in cooler conditions.

Explore more of Thailand

You've seen Udon Thani, now it's time to explore more of Thailand. Travel about 290 miles south-west to Bangkok to check off its top attractions. From Grand Palace to Wat Arun and Wat Phra Kaew, there's plenty to keep you on the go.
If you want to check out another corner of Thailand, consider Chon Buri, about 300 miles south-west of Udon Thani. Wat Ton Son, Forest and Phra Phutthasihing Hall are the start of reasons to visit.