How long is the flight from Udon Thani to London Heathrow Airport?

Thai Airways can get you from Udon Thani to London Heathrow Airport in just under 36h 25m. Your travel time can differ by up to . Airlines will cover a distance of 5827 mi.

In terms of precipitation, rainfall in London Heathrow Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

What is the cheapest time of day to fly from UTH to LHR?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Udon Thani to London Heathrow Airport as you normally would.

What airport do you fly from for flights from Udon Thani to London Heathrow?

If you book a flight to London Heathrow from Udon Thani, you will be flying from Udon Thani, which is the city’s only airport. Udon Thani (UTH) is located 2.0 mi from the center of Udon Thani. There are 0 flights from Udon Thani to London Heathrow per day from 0 different airlines.

Can I find deals for flights from Udon Thani to Heathrow that include hotel bookings?

Yes. In addition to deals on Udon Thani to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Udon Thani to Heathrow?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Udon Thani to Heathrow.

Can I find deals for business class flights from Udon Thani to Heathrow?

Yes. Cheapflights offers flight deals from Udon Thani to Heathrow by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£696+ Cheap Flights from Udon Thani to London Heathrow Airport

Cheap flight deals from Udon Thani to Heathrow

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Cheapest flights from Udon Thani to Heathrow
Explore the most affordable flight options available from Udon Thani to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 September 2026.

Sat 7/1115:00 -

2 stops27h 05m

Tue 10/1109:30 -

2 stops21h 55m

Deal found 28/9£696

Sat 7/1114:10 -

1 stop36h 25m

Tue 10/1121:35 -

1 stop33h 05m

Deal found 28/9£899

Find flight deals from Udon Thani to Heathrow

Round-trip from	£696

7/11-10/11
4 total stops
49h 00m total
Udon Thani to London

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Udon ThaniLondon

UTH Udon Thani - LHR London Heathrow

UTHLHR

Udon Thani

Sat 7/11

15:00-11:05

2 stops27h 05m

London Heathrow

Tue 10/11

06:00-11:25

3 stops22h 25m

£724

Udon ThaniLondon

UTH Udon Thani - LHR London Heathrow

UTHLHR

Udon Thani

Sat 7/11

14:10-19:35

1 stop36h 25m

London Heathrow

Tue 10/11

21:35-13:40

1 stop33h 05m

£899

Flights are sorted by cheapest return flights first.

Deals found on 28/9

Sorted by cheapest first

Best time to book a flight from Udon Thani to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Udon Thani with our price prediction graph.

UTH-LHR

Estimated return price

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Related info for your journey

What airport do you fly from for flights from Udon Thani to London Heathrow?
If you book a flight to London Heathrow from Udon Thani, you will be flying from Udon Thani, which is the city’s only airport. Udon Thani (UTH) is located 2.0 mi from the center of Udon Thani. There are 0 flights from Udon Thani to London Heathrow per day from 0 different airlines.
How long is the flight from Udon Thani to London Heathrow Airport?
Thai Airways can get you from Udon Thani to London Heathrow Airport in just under 36h 25m. Your travel time can differ by up to . Airlines will cover a distance of 5827 mi.
Can I find deals for flights from Udon Thani to Heathrow that include hotel bookings?
Yes. In addition to deals on Udon Thani to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Udon Thani to Heathrow?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Udon Thani to Heathrow.
Can I find deals for business class flights from Udon Thani to Heathrow?
Yes. Cheapflights offers flight deals from Udon Thani to Heathrow by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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Cheap flights from Udon Thani to London Heathrow Airport from £696

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Udon Thani to Heathrow

Cheapest flights from Udon Thani to HeathrowExplore the most affordable flight options available from Udon Thani to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 September 2026.

Explore the most affordable flight options available from Udon Thani to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 September 2026.

Best flights from Udon Thani to HeathrowDiscover carefully curated flight deals from Udon Thani to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 30 September 2026.

Discover carefully curated flight deals from Udon Thani to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 30 September 2026.

Find flight deals from Udon Thani to Heathrow

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Best time to book a flight from Udon Thani to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Udon Thani with our price prediction graph.

Related info for your journey

What airport do you fly from for flights from Udon Thani to London Heathrow?

How long is the flight from Udon Thani to London Heathrow Airport?

Can I find deals for flights from Udon Thani to Heathrow that include hotel bookings?

How can I find direct flights from Udon Thani to Heathrow?

Can I find deals for business class flights from Udon Thani to Heathrow?

Travelling to a place near London Heathrow Airport?

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Alternative routes for Udon Thani to Heathrow

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Other flights to Heathrow

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