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 LA to LHR?

When flying from Laos to London Heathrow Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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

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

How can I find direct flights from Laos to Heathrow?

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

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

Yes. Cheapflights offers flight deals from Laos 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.

£251+ Flights from Laos to London Heathrow Airport

Cheap flight deals from Laos to Heathrow

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One-way flights from Laos to Heathrow
Search for one-way flight options from Laos to Heathrow. Find affordable one-way fares based on user searches. Data last updated 28 December 2025.

Mon 23/212:20VTE - LHR

2 stops36h 10mChina Eastern

Deal found 25/12£251

Mon 23/218:45VTE - LHR

3 stops52h 35mMultiple Airlines

Deal found 25/12£319

Cheapflights Fare Finder

Use the filters below to find and compare flights from Laos to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

VientianeLondon

VTE - LHR

VTELHR

Vientiane Wattay

Mon 23/2

12:20-17:30

2 stops36h 10m

£251

VientianeLondon

VTE - LHR

VTELHR

Vientiane Wattay

Mon 23/2

18:45-16:20

3 stops52h 35m

£319

Flights are sorted by cheapest return flights first.

Deals found on 25/12

Best time to book a flight from Laos to Heathrow

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

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Laos to London Heathrow Airport

No data available for this route at this time. Please check back soon.

Related info for your journey

Can I find deals for flights from Laos to Heathrow that include hotel bookings?
Yes. In addition to deals on Laos to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Laos to Heathrow?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Laos to Heathrow.
Can I find deals for business class flights from Laos to Heathrow?
Yes. Cheapflights offers flight deals from Laos 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 Laos to London Heathrow Airport from £251

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 23/2. Fares are subject to change and may not be available on all flights or dates of travel.