How long is the flight from London Heathrow Airport to Laos?

A quick flight from London Heathrow Airport to Laos can take about 29h 30m. China Southern provides one of the quickest options available for as low as £570. Airlines will cover a distance of 5786 mi. This flight may include one or multiple stops.

In terms of precipitation, rainfall in Laos ranges from 10.0 - 120.0 inches per month. July is typically the wettest month, when rainfall can reach 120.0 mm. January is typically the driest time to visit Laos when rainfall is around 10.0 mm.

If weather is an important factor for your trip to Laos, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 29.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 22.0 C).

What are the most popular airlines that fly from London Heathrow Airport to Laos?

The most popular airlines flying from London Heathrow Airport to Laos are Thai Airways, China Eastern and China Southern. Something to consider prior to booking your flight.

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

When flying from London Heathrow Airport to Laos, 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 Heathrow to Laos that include hotel bookings?

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

How can I find direct flights from Heathrow to Laos?

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

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

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

£330+ Flights from London Heathrow Airport to Laos

Cheap flight deals from Heathrow to Laos

Enter your travel dates to find the best prices.

Cheapest flights from Heathrow to Laos
Explore the most affordable flight options available from Heathrow to Laos. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 December 2025.

Sun 28/1221:00LHR - VTE

1 stop20h 05mChina Eastern

Fri 23/112:20VTE - LHR

2 stops36h 10mChina Eastern

Deal found 13/12£826

Tue 23/1208:25LHR - LPQ

2 stops23h 50mMultiple Airlines

Sat 17/109:35LPQ - LHR

2 stops41h 15mMultiple Airlines

Deal found 13/12£1,023

Sun 28/1221:35LHR - VTE

1 stop15h 10mThai Airways

Fri 23/113:55VTE - LHR

1 stop23h 45mThai Airways

Deal found 13/12£1,127

Tue 23/1220:10LHR - LPQ

2 stops34h 50mMultiple Airlines

Tue 6/117:25LPQ - LHR

2 stops44h 00mMultiple Airlines

Deal found 13/12£1,260

Thu 18/1222:00LHR - VTE

1 stop34h 05mChina Southern

Fri 2/116:25VTE - LHR

1 stop33h 10mChina Southern

Deal found 14/12£1,912

Thu 18/1221:00LHR - VTE

2 stops29h 05mChina Eastern

Thu 1/101:05VTE - LHR

1 stop23h 25mChina Eastern

Deal found 13/12£2,121

Thu 18/1208:50LHR - VTE

2 stops32h 15mMultiple Airlines

Fri 2/120:30VTE - LHR

2 stops22h 35mMultiple Airlines

Deal found 13/12£3,107

Best flights from Heathrow to Laos
Discover carefully curated flight deals from Heathrow to Laos that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 15 December 2025.

Thu 19/322:00LHR - VTE

1 stop29h 30mChina Southern

Thu 2/418:45VTE - LHR

1 stop30h 15mChina Southern

Deal found 14/12£570

Mon 26/121:00LHR - LPQ

2 stops35h 05mChina Eastern

Mon 2/216:05LPQ - LHR

2 stops56h 25mChina Eastern

Deal found 12/12£633

Wed 11/210:00LHR - VTE

2 stops28h 45mMultiple Airlines

Wed 18/218:35VTE - LHR

2 stops43h 55mMultiple Airlines

Deal found 14/12£672

Tue 20/122:00LHR - VTE

1 stop28h 05mChina Southern

Thu 5/216:25VTE - LHR

1 stop33h 10mChina Southern

Deal found 14/12£583

Wed 28/121:00LHR - LPQ

2 stops35h 05mChina Eastern

Wed 4/216:05LPQ - LHR

2 stops56h 25mChina Eastern

Deal found 14/12£642

Thu 14/521:00LHR - VTE

2 stops38h 45mChina Southern

Mon 18/518:45VTE - LHR

1 stop30h 15mChina Southern

Deal found 14/12£585

Thu 19/318:55LHR - VTE

2 stops19h 55mMultiple Airlines

Thu 2/421:35VTE - LHR

2 stops27h 55mMultiple Airlines

Deal found 14/12£712

Wed 11/221:00LHR - VTE

1 stop20h 05mChina Eastern

Tue 17/201:05VTE - LHR

1 stop23h 25mChina Eastern

Deal found 14/12£715

Sun 18/121:00LHR - LPQ

3 stops59h 05mMultiple Airlines

Thu 22/113:45LPQ - LHR

2 stops32h 00mMultiple Airlines

Deal found 11/12£723

Tue 17/222:00LHR - VTE

2 stops52h 25mChina Southern

Sun 8/316:25VTE - LHR

1 stop31h 35mChina Southern

Deal found 13/12£692

Wed 28/117:40LHR - LPQ

3 stops35h 10mMultiple Airlines

Wed 4/212:30LPQ - LHR

3 stops34h 25mMultiple Airlines

Deal found 14/12£761

Tue 17/221:30LHR - VTE

2 stops52h 55mChina Southern

Wed 4/316:25VTE - LHR

1 stop33h 10mChina Southern

Deal found 13/12£692

Mon 26/111:00LHR - LPQ

1 stop24h 55mMultiple Airlines

Mon 2/207:40LPQ - LHR

2 stops30h 00mMultiple Airlines

Deal found 12/12£802

Sun 4/121:00LHR - LPQ

3 stops59h 05mMultiple Airlines

Thu 22/119:15LPQ - LHR

2 stops29h 15mMultiple Airlines

Deal found 11/12£828

Last-minute flights from Heathrow to Laos
Discover last-minute flight deals from Heathrow to Laos. Data last updated 15 December 2025 and is based on user searches.

Thu 8/121:30LHR - VTE

2 stops28h 35mChina Southern

Thu 29/116:25VTE - LHR

1 stop33h 10mChina Southern

Deal found 13/12£541

Thu 8/118:50LHR - VTE

3 stops32h 55mMultiple Airlines

Thu 29/121:40VTE - LHR

2 stops26h 55mMultiple Airlines

Deal found 13/12£747

Sat 10/121:30LHR - LPQ

3 stops28h 35mMultiple Airlines

Sat 17/119:45LPQ - LHR

2 stops29h 25mMultiple Airlines

Deal found 13/12£751

Sun 18/121:00LHR - LPQ

2 stops59h 05mMultiple Airlines

Thu 22/113:45LPQ - LHR

2 stops27h 10mMultiple Airlines

Deal found 11/12£723

Tue 20/122:00LHR - VTE

1 stop28h 05mChina Southern

Thu 5/216:25VTE - LHR

1 stop33h 10mChina Southern

Deal found 13/12£583

Tue 20/111:00LHR - VTE

2 stops24h 55mVietnam Airlines

Thu 5/211:35VTE - LHR

3 stops26h 40mVietnam Airlines

Deal found 13/12£784

Mon 26/121:00LHR - LPQ

2 stops35h 05mChina Eastern

Mon 2/216:05LPQ - LHR

3 stops56h 25mChina Eastern

Deal found 12/12£633

Mon 26/111:00LHR - LPQ

1 stop24h 55mMultiple Airlines

Mon 2/207:40LPQ - LHR

2 stops30h 00mMultiple Airlines

Deal found 12/12£802

Wed 28/121:00LHR - LPQ

2 stops35h 05mChina Eastern

Wed 4/216:05LPQ - LHR

2 stops56h 25mChina Eastern

Deal found 14/12£642

Wed 28/117:40LHR - LPQ

3 stops35h 10mMultiple Airlines

Wed 4/212:30LPQ - LHR

3 stops34h 25mMultiple Airlines

Deal found 14/12£761

Sat 31/117:40LHR - VTE

2 stops21h 10mMultiple Airlines

Sat 7/207:40VTE - LHR

2 stops39h 15mMultiple Airlines

Deal found 13/12£635

Sat 31/122:00LHR - VTE

1 stop34h 05mChina Southern

Sat 7/216:25VTE - LHR

1 stop33h 10mChina Southern

Deal found 13/12£790

One-way flights from Heathrow to Laos
Search for one-way flight options from Heathrow to Laos. Find affordable one-way fares based on user searches. Data last updated 15 December 2025.

Sat 10/121:10LHR - LPQ

2 stops38h 45mMultiple Airlines

Deal found 13/12£330

Tue 30/1222:00LHR - VTE

1 stop34h 05mChina Southern

Deal found 13/12£392

Tue 30/1221:30LHR - VTE

3 stops51h 05mMultiple Airlines

Deal found 13/12£470

Fri 2/122:00LHR - VTE

3 stops52h 05mMultiple Airlines

Deal found 13/12£488

Fri 2/122:00LHR - VTE

1 stop34h 05mChina Southern

Deal found 13/12£534

Fri 2/111:00LHR - VTE

1 stop16h 45mVietnam Airlines

Deal found 14/12£662

Fri 2/111:50LHR - VTE

1 stop18h 15mThai Airways

Deal found 13/12£724

Sat 20/1218:55LHR - VTE

2 stops19h 55mMultiple Airlines

Deal found 14/12£981

Wed 31/1219:30LHR - LPQ

3 stops54h 35mMultiple Airlines

Deal found 14/12£1,045

Tue 30/1208:05LHR - LPQ

3 stops42h 00mMultiple Airlines

Deal found 14/12£1,092

Wed 31/1221:00LHR - LPQ

2 stops35h 05mChina Eastern

Deal found 14/12£1,465

Tue 30/1221:00LHR - LPQ

2 stops59h 05mChina Eastern

Deal found 14/12£1,504

Find flight deals from Heathrow to Laos

Round-trip from	£513
One-way from	£330
Popular in	December
Cheapest in	June
Average price	£1,169

China Southern
18/2-6/3
3 total stops
91h 35m total
London to Laos

Search Deals

10/1
2 total stops
38h 45m total
London to Laos

Search Deals

Highest demand for flights based on searches. 19% potential increase in price (£136 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 5% potential price decrease (£28 potential savings vs. average return price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

LondonVientiane

LHR - VTE

LHRVTE

London Heathrow

Thu 19/3

22:00-10:30

1 stop29h 30m

Vientiane Wattay

Thu 2/4

18:45-19:00

1 stop30h 15m

£570

LondonVientiane

LHR - VTE

LHRVTE

London Heathrow

Tue 20/1

22:00-09:05

1 stop28h 05m

Vientiane Wattay

Thu 5/2

16:25-18:35

1 stop33h 10m

£583

LondonVientiane

LHR - VTE

LHRVTE

London Heathrow

Thu 14/5

21:00-17:45

2 stops38h 45m

Vientiane Wattay

Mon 18/5

18:45-19:00

1 stop30h 15m

£585

LondonLuang Prabang

LHR - LPQ

LHRLPQ

London Heathrow

Mon 26/1

21:00-15:05

2 stops35h 05m

Luang Prabang

Mon 2/2

16:05-17:30

2 stops56h 25m

£633

LondonLuang Prabang

LHR - LPQ

LHRLPQ

London Heathrow

Wed 28/1

21:00-15:05

2 stops35h 05m

Luang Prabang

Wed 4/2

16:05-17:30

2 stops56h 25m

£642

LondonVientiane

LHR - VTE

LHRVTE

London Heathrow

Wed 11/2

10:00-21:45

2 stops28h 45m

Vientiane Wattay

Wed 18/2

18:35-07:30

2 stops43h 55m

£672

LondonVientiane

LHR - VTE

LHRVTE

London Heathrow

Tue 17/2

22:00-09:25

2 stops52h 25m

Vientiane Wattay

Sun 8/3

16:25-17:00

1 stop31h 35m

£692

LondonVientiane

LHR - VTE

LHRVTE

London Heathrow

Tue 17/2

21:30-09:25

2 stops52h 55m

Vientiane Wattay

Wed 4/3

16:25-18:35

1 stop33h 10m

£692

LondonVientiane

LHR - VTE

LHRVTE

London Heathrow

Thu 19/3

18:55-21:50

2 stops19h 55m

Vientiane Wattay

Thu 2/4

21:35-19:30

2 stops27h 55m

£712

LondonVientiane

LHR - VTE

LHRVTE

London Heathrow

Wed 11/2

21:00-00:05

1 stop20h 05m

Vientiane Wattay

Tue 17/2

01:05-17:30

1 stop23h 25m

£715

Flights are sorted by cheapest return flights first.

Deals found on 13/12

Showing 1-10 of 27 results

Best time to book a flight from Heathrow to Laos

Have a flexible travel schedule? Discover the best time to fly to Laos from Heathrow 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 London Heathrow Airport to Laos

What is the cheapest month to book a flight from London Heathrow Airport to Laos?

Currently, January is the cheapest month in which you can book a flight from London Heathrow Airport to Laos (average of £237). Flying from London Heathrow Airport to Laos in December is currently the most expensive (average of £912). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Laos

Check out reviews from past customers who have flown with Thai Airways, China Southern, andChina Eastern from London Heathrow Airport to Laos to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Thai Airways

7.8

Good

366 reviews

Check prices

Reviews

1 / 18

10.0

Excellent

Joe,Jun 2025

BKK - TPE

The flight was very comfortable, and I really appreciated that each seat had an electric outlet to charge devices. The staff was great.

Thai Airways

7.8

Good

366 reviews

Thai Airways

7.8

Good

366 reviews

Check prices

Reviews

1 / 18

10.0

Excellent

Joe,Jun 2025

BKK - TPE

The flight was very comfortable, and I really appreciated that each seat had an electric outlet to charge devices. The staff was great.

China Southern

7.5

Good

122 reviews

Thai Airways

7.8

Good

366 reviews

Check prices

Reviews

1 / 18

10.0

Excellent

Joe,Jun 2025

BKK - TPE

The flight was very comfortable, and I really appreciated that each seat had an electric outlet to charge devices. The staff was great.

China Eastern

7.2

Good

178 reviews

Thai Airways

7.8

Good

366 reviews

Check prices

Reviews

1 / 18

10.0

Excellent

Joe,Jun 2025

BKK - TPE

The flight was very comfortable, and I really appreciated that each seat had an electric outlet to charge devices. The staff was great.

Related info for your journey

How long is the flight from London Heathrow Airport to Laos?
A quick flight from London Heathrow Airport to Laos can take about 29h 30m. China Southern provides one of the quickest options available for as low as £570. Airlines will cover a distance of 5786 mi. This flight may include one or multiple stops.
Can I find deals for flights from Heathrow to Laos that include hotel bookings?
Yes. In addition to deals on Heathrow to Laos flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Heathrow to Laos?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to Laos.
Can I find deals for business class flights from Heathrow to Laos?
Yes. Cheapflights offers flight deals from Heathrow to Laos by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from London Heathrow Airport to Laos?
Currently, January is the cheapest month in which you can book a flight from London Heathrow Airport to Laos (average of £237). Flying from London Heathrow Airport to Laos in December is currently the most expensive (average of £912). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Direct flights to Changsha

Top 3 airlines flying from Heathrow to Laos

Airline	Cheapest	Average	Flexibility	On-time
China Eastern	Cheapest£237	Average£657	FlexibilityNo cancel fee	On-time62%	Search China Eastern flights
China Southern	Cheapest£435	Average£532	FlexibilityNo cancel fee	On-time69%	Search China Southern flights
Thai Airways	Cheapest£782	Average£816	FlexibilityNo cancel fee	On-time77%	Search Thai Airways flights

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Cheapflights helps you search for flights from Heathrow to Laos via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Heathrow to Laos?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Heathrow to Laos.

Can Cheapflights find flights from Heathrow to Laos with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Heathrow to Laos flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Heathrow to Laos become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Laos from Heathrow today and book when prices fit your budget.

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Cheap flights from London Heathrow Airport to Laos from £330

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 10/1. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Heathrow to Laos

Cheapest flights from Heathrow to LaosExplore the most affordable flight options available from Heathrow to Laos. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 December 2025.

Explore the most affordable flight options available from Heathrow to Laos. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 December 2025.

Find flight deals from Heathrow to Laos

Keep the following information in mind while searching for Heathrow to Laos flight deals. Data was last updated 15 December 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

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

Best time to book a flight from Heathrow to Laos

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

Cheapflights Insights

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

What is the cheapest month to book a flight from London Heathrow Airport to Laos?

Reviews of airlines servicing Laos

Get insights into the airlines that provide service to Laos. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Laos. Reviews last updated 15 December 2025.

Related info for your journey

Find useful and relevant information for your journey from Heathrow to Laos. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

How long is the flight from London Heathrow Airport to Laos?

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

How can I find direct flights from Heathrow to Laos?

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

What is the cheapest month to book a flight from London Heathrow Airport to Laos?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Heathrow to Laos

See prices for flight routes from nearby airports that may be better suited for you.

Top 3 airlines flying from Heathrow to Laos

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How does Cheapflights help users find flights from Heathrow to Laos?

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Can Cheapflights notify me if prices for flights from Heathrow to Laos become cheaper?

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Cheapest flights from Heathrow to Laos
Explore the most affordable flight options available from Heathrow to Laos. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 December 2025.