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

Compare Udon Thani to London Heathrow flight deals

Find the cheapest month or even day of the year to fly to London Heathrow

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Flight deals from Udon Thani to London Heathrow

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

London.£671 per passenger.Departing Mon, 8 Jun, returning Wed, 8 Jul.Return flight with Thai LionAir and Turkish Airlines.Outbound indirect flight with Thai LionAir, departs from Udon Thani on Mon, 8 Jun, arriving in London Heathrow.Inbound indirect flight with Turkish Airlines, departs from London Heathrow on Wed, 8 Jul, arriving in Udon Thani.Price includes taxes and charges.From £671, select.

London.£723 per passenger.Departing Tue, 14 Apr, returning Tue, 28 Apr.Return flight with Nok Air and KLM.Outbound indirect flight with Nok Air, departs from Udon Thani on Tue, 14 Apr, arriving in London Heathrow.Inbound indirect flight with KLM, departs from London Heathrow on Tue, 28 Apr, arriving in Udon Thani.Price includes taxes and charges.From £723, select.

London.£838 per passenger.Departing Tue, 30 Jun, returning Sat, 1 Aug.Return flight with Thai AirAsia and Thai Airways.Outbound indirect flight with Thai AirAsia, departs from Udon Thani on Tue, 30 Jun, arriving in London Heathrow.Inbound indirect flight with Thai Airways, departs from London Heathrow on Sat, 1 Aug, arriving in Udon Thani.Price includes taxes and charges.From £838, select.

London.£946 per passenger.Departing Wed, 25 Feb, returning Wed, 4 Mar.Return flight with Thai Airways and Qatar Airways.Outbound indirect flight with Thai Airways, departs from Udon Thani on Wed, 25 Feb, arriving in London Heathrow.Inbound indirect flight with Qatar Airways, departs from London Heathrow on Wed, 4 Mar, arriving in Udon Thani.Price includes taxes and charges.From £946, select.

London.£1,208 per passenger.Departing Wed, 8 Apr, returning Sun, 3 May.Return flight with Thai Airways and EVA Air.Outbound indirect flight with Thai Airways, departs from Udon Thani on Wed, 8 Apr, arriving in London Heathrow.Inbound indirect flight with EVA Air, departs from London Heathrow on Sun, 3 May, arriving in Udon Thani.Price includes taxes and charges.From £1,208, select.

London.£2,402 per passenger.Departing Fri, 31 Jul, returning Sat, 19 Sep.Return flight with Thai VietJet Air and Austrian Airlines.Outbound indirect flight with Thai VietJet Air, departs from Udon Thani on Fri, 31 Jul, arriving in London Heathrow.Inbound indirect flight with Austrian Airlines, departs from London Heathrow on Sat, 19 Sep, arriving in Udon Thani.Price includes taxes and charges.From £2,402, select.

Find the cheapest month to fly from Udon Thani to London Heathrow

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Udon Thani to London Heathrow flights are currently cheapest in April.

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Udon Thani to London Heathrow: Alternative routes

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

Udon Thani to London: Flight information

The things to know before you go.

Cheapest flight found	£671
Cheapest month to fly	June

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

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

The best price we found for a return flight from Udon Thani to London Heathrow is £671. 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.

Which airlines fly direct from Udon Thani to London Heathrow?

Currently, there are no airlines that fly direct from Udon Thani to London Heathrow. But we found flights with one or more stops from £671.

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

As of February 2026, there are no flights flying from Udon Thani to London Heathrow.

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

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

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

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Udon Thani Airport to London Heathrow Airport on Monday, 8 June 2026.

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

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

How can I find the best flight deal to London Heathrow?

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 London Heathrow 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.

When is the best time to book flights to London?

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

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

Currently, Thai LionAir offers the cheapest flight tickets to London Heathrow.

How to find cheap flights to London (LHR) from Udon Thani (UTH) in 2026

Looking for cheap tickets from Udon Thani to London Heathrow? Return tickets start from £671 and one-way flights to London Heathrow from Udon Thani start from £209

Here are a few tips on how to secure the best flight price and make your journey as smooth as possible.

Simply hit 'search'. From British Airways to international carriers like Emirates, we compare all major airlines along with the most popular online travel agents to find the cheapest plane tickets from Udon Thani to London Heathrow. And with us there are no hidden fees - what you see is what you pay.
Compare flight deals to London from Udon Thani from over 1,000 providers. Then choose the cheapest or fastest plane tickets. Flight tickets to London start from £209 one-way.
Flex your dates to find the best UTH-LHR ticket prices. If you are flexible when it comes to your travel dates, use Skyscanner's 'Whole month' tool to find the cheapest month, and even day to fly to London Heathrow from Udon Thani.
Set up a Price Alert. You can easily track the fare of your cheap Udon Thani-London Heathrow flights by creating an alert. Whenever prices go down or up, you'll get an email or push notification to help make sure you get the best possible flight deal.
Flexible on when you travel? The cheapest month to fly from Udon Thani to London Heathrow is June.
Fly without stops. Only interested in direct flights between Udon Thani and London Heathrow? Make sure to tick 'Direct flights only' when performing a search. If there are direct flights available on the route, these will appear in the results.
Find the cheapest Business class flights from Udon Thani and London Heathrow. We scour the internet for the best Business, Premium Economy and First Class flight fares to London, too. Check the difference in price as you search – you might just chance upon a last-minute low fare. Note that not all cabin classes are available for every destination or airline.
Include nearby airports in your search. Widen your search for Udon Thani to London Heathrow flight deals by selecting the "add nearby airports" option. This will allow you to see flight prices for all the nearest airports at your departure point and your destination and could help you save next time you travel.
Search for cheap flights regardless of where you are. To get the best flight booking experience when out and about, download the app and search for plane tickets between Udon Thani and London Heathrow whenever you want.

Combine your flight to London Heathrow from Udon Thani with hotels and car hire

Once you've secured your cheap flight ticket from Udon Thani to London Heathrow, discover the best prices and exclusive rates for hotels in London or nearby. You can also compare hundreds of car hire companies in one go so that you get the best car hire price for your trip.