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

A quick flight from London Heathrow Airport to Laos can take about 22h. China Southern provides one of the quickest options available for as low as £1,604. Airlines will cover a distance of 5665 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 British Airways, Virgin Atlantic and Finnair. 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.

£359+ 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 23 December 2025.

Sun 28/1221:00LHR - VTE

1 stop20h 05mChina Eastern

Fri 23/115:50VTE - LHR

2 stops32h 40mChina Eastern

Deal found 22/12£847

Sun 28/1211:50LHR - VTE

1 stop18h 15mThai Airways

Fri 23/113:55VTE - LHR

1 stop23h 45mThai Airways

Deal found 22/12£1,122

Thu 25/1222:00LHR - VTE

2 stops52h 25mChina Southern

Fri 2/116:25VTE - LHR

1 stop33h 10mChina Southern

Deal found 19/12£1,270

Sun 28/1211:00LHR - VTE

3 stops24h 55mVietnam Airlines

Fri 23/111:35VTE - LHR

3 stops50h 40mVietnam Airlines

Deal found 22/12£1,316

Thu 25/1208:35LHR - VTE

2 stops19h 35mMultiple Airlines

Fri 2/114:50VTE - LHR

2 stops23h 30mMultiple Airlines

Deal found 19/12£1,680

Wed 31/1211:00LHR - LPQ

1 stop20h 00mVietnam Airlines

Thu 22/119:15LPQ - LHR

1 stop19h 00mVietnam Airlines

Deal found 21/12£3,846

Wed 31/1220:20LHR - LPQ

2 stops33h 45mEmirates

Tue 20/113:45LPQ - LHR

2 stops48h 25mEmirates

Deal found 21/12£3,853

Wed 31/1209:10LHR - LPQ

2 stops44h 55mEmirates

Sun 25/112:10LPQ - LHR

2 stops36h 35mEmirates

Deal found 21/12£3,883

Wed 31/1211:00LHR - LPQ

1 stop20h 00mVietnam Airlines

Mon 19/114:45LPQ - LHR

2 stops23h 30mVietnam Airlines

Deal found 21/12£3,950

Wed 31/1211:00LHR - LPQ

1 stop20h 00mVietnam Airlines

Sat 24/119:15LPQ - LHR

2 stops25h 30mVietnam Airlines

Deal found 21/12£3,959

Wed 31/1211:00LHR - LPQ

1 stop20h 00mVietnam Airlines

Fri 23/114:45LPQ - LHR

2 stops23h 30mVietnam Airlines

Deal found 21/12£4,078

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 23 December 2025.

Sun 18/117:15LHR - VTE

2 stops32h 50mChina Southern

Sun 25/116:25VTE - LHR

1 stop31h 35mChina Southern

Deal found 21/12£523

Tue 3/221:00LHR - VTE

2 stops29h 05mChina Eastern

Tue 10/218:00VTE - LHR

2 stops30h 30mChina Eastern

Deal found 20/12£613

Tue 20/121:30LHR - VTE

2 stops34h 35mChina Southern

Thu 5/216:25VTE - LHR

1 stop33h 10mChina Southern

Deal found 20/12£540

Thu 14/521:00LHR - VTE

2 stops38h 45mChina Southern

Mon 18/518:45VTE - LHR

1 stop30h 15mChina Southern

Deal found 19/12£582

Wed 18/322:00LHR - VTE

1 stop29h 30mChina Southern

Tue 7/418:45VTE - LHR

1 stop30h 15mChina Southern

Deal found 21/12£590

Mon 19/108:05LHR - LPQ

2 stops22h 00mQatar Airways

Thu 22/113:45LPQ - LHR

2 stops31h 15mQatar Airways

Deal found 20/12£1,604

Mon 19/117:45LHR - LPQ

2 stops37h 15mVietnam Airlines

Thu 22/119:15LPQ - LHR

1 stop19h 00mVietnam Airlines

Deal found 20/12£1,802

Last-minute flights from Heathrow to Laos
Discover last-minute flight deals from Heathrow to Laos. Data last updated 23 December 2025 and is based on user searches.

Thu 1/113:30LHR - LPQ

2 stops42h 45mMultiple Airlines

Thu 22/119:15LPQ - LHR

1 stop19h 00mMultiple Airlines

Deal found 21/12£3,026

Thu 1/108:35LHR - LPQ

2 stops45h 30mQatar Airways

Mon 19/113:45LPQ - LHR

2 stops24h 35mQatar Airways

Deal found 21/12£3,415

Thu 1/113:55LHR - LPQ

2 stops40h 10mEtihad Airways

Thu 22/113:45LPQ - LHR

2 stops35h 25mEtihad Airways

Deal found 21/12£3,482

Thu 1/108:05LHR - LPQ

2 stops46h 00mQatar Airways

Sun 25/112:10LPQ - LHR

2 stops32h 50mQatar Airways

Deal found 21/12£3,492

Thu 1/106:20LHR - LPQ

2 stops24h 40mVietnam Airlines

Thu 22/119:15LPQ - LHR

1 stop19h 00mVietnam Airlines

Deal found 21/12£3,588

Sun 18/117:15LHR - VTE

2 stops32h 50mChina Southern

Sun 25/116:25VTE - LHR

1 stop31h 35mChina Southern

Deal found 21/12£523

Sun 18/121:00LHR - VTE

2 stops29h 05mChina Eastern

Sun 25/115:50VTE - LHR

2 stops32h 40mChina Eastern

Deal found 21/12£617

Mon 19/108:40LHR - LPQ

2 stops21h 25mQatar Airways

Thu 22/113:45LPQ - LHR

2 stops31h 15mQatar Airways

Deal found 21/12£1,604

Mon 19/117:45LHR - LPQ

2 stops37h 15mVietnam Airlines

Thu 22/119:15LPQ - LHR

1 stop19h 00mVietnam Airlines

Deal found 21/12£1,802

Tue 20/121:30LHR - VTE

2 stops34h 35mChina Southern

Thu 5/216:25VTE - LHR

1 stop33h 10mChina Southern

Deal found 20/12£540

Mon 26/121:00LHR - VTE

1 stop20h 05mChina Eastern

Sun 15/201:05VTE - LHR

1 stop23h 25mChina Eastern

Deal found 20/12£635

Wed 28/121:00LHR - VTE

2 stops29h 05mChina Eastern

Fri 30/118:00VTE - LHR

2 stops30h 30mChina Eastern

Deal found 20/12£652

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 23 December 2025.

Sat 17/121:10LHR - VTE

2 stops37h 35mMultiple Airlines

Deal found 22/12£359

Sat 17/120:25LHR - LPQ

2 stops32h 55mMultiple Airlines

Deal found 22/12£438

Sat 17/121:00LHR - VTE

1 stop20h 05mChina Eastern

Deal found 22/12£454

Wed 14/111:00LHR - LPQ

1 stop20h 00mVietnam Airlines

Deal found 22/12£504

Sun 18/108:25LHR - LPQ

2 stops20h 55mMultiple Airlines

Deal found 22/12£522

Sun 18/111:00LHR - LPQ

1 stop20h 00mVietnam Airlines

Deal found 22/12£569

Thu 15/111:00LHR - LPQ

2 stops44h 00mVietnam Airlines

Deal found 22/12£628

Fri 2/122:00LHR - VTE

1 stop34h 05mChina Southern

Deal found 22/12£632

Fri 16/106:20LHR - LPQ

2 stops24h 40mVietnam Airlines

Deal found 22/12£710

Thu 15/111:50LHR - LPQ

1 stop17h 30mMultiple Airlines

Deal found 22/12£727

Fri 2/111:00LHR - VTE

3 stops48h 55mVietnam Airlines

Deal found 20/12£730

Tue 20/111:50LHR - LPQ

1 stop17h 30mMultiple Airlines

Deal found 22/12£730

Find flight deals from Heathrow to Laos

Round-trip from	£523
One-way from	£359
Popular in	December
Cheapest in	June
Average price	£1,157

China Southern
18/1-25/1
3 total stops
64h 25m total
London to Laos

Search Deals

17/1
2 total stops
37h 35m 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. 4% potential price decrease (£27 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

Sun 18/1

17:15-09:05

2 stops32h 50m

Vientiane Wattay

Sun 25/1

16:25-17:00

1 stop31h 35m

£523

LondonVientiane

LHR - VTE

LHRVTE

London Heathrow

Tue 20/1

21:30-15:05

2 stops34h 35m

Vientiane Wattay

Thu 5/2

16:25-18:35

1 stop33h 10m

£540

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

£582

LondonVientiane

LHR - VTE

LHRVTE

London Heathrow

Wed 18/3

22:00-10:30

1 stop29h 30m

Vientiane Wattay

Tue 7/4

18:45-19:00

1 stop30h 15m

£590

LondonVientiane

LHR - VTE

LHRVTE

London Heathrow

Tue 3/2

21:00-09:05

2 stops29h 05m

Vientiane Wattay

Tue 10/2

18:00-17:30

2 stops30h 30m

£613

LondonLuang Prabang

LHR - LPQ

LHRLPQ

London Heathrow

Mon 19/1

08:05-13:05

2 stops22h 00m

Luang Prabang

Thu 22/1

13:45-14:00

2 stops31h 15m

£1,604

LondonLuang Prabang

LHR - LPQ

LHRLPQ

London Heathrow

Mon 19/1

17:45-14:00

2 stops37h 15m

Luang Prabang

Thu 22/1

19:15-07:15

1 stop19h 00m

£1,802

LondonVientiane

LHR - VTE

LHRVTE

London Heathrow

Sat 17/1

21:10-17:45

2 stops37h 35m

£359

LondonLuang Prabang

LHR - LPQ

LHRLPQ

London Heathrow

Sat 17/1

20:25-12:20

2 stops32h 55m

£438

LondonVientiane

LHR - VTE

LHRVTE

London Heathrow

Sat 17/1

21:00-00:05

1 stop20h 05m

£454

Flights are sorted by cheapest return flights first.

Deals found on 22/12

Showing 1-10 of 21 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 £236). Flying from London Heathrow Airport to Laos in December is currently the most expensive (average of £908). 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

369 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

369 reviews

Thai Airways

7.8

Good

369 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

123 reviews

Thai Airways

7.8

Good

369 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

179 reviews

Thai Airways

7.8

Good

369 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 22h. China Southern provides one of the quickest options available for as low as £1,604. Airlines will cover a distance of 5665 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 £236). Flying from London Heathrow Airport to Laos in December is currently the most expensive (average of £908). 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

Alternative routes for Heathrow to Laos

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Direct flights to Wuhan

Direct flights to Changsha

Top 3 airlines flying from Heathrow to Laos

Airline	Cheapest	Average	Flexibility	On-time
China Eastern	Cheapest£236	Average£654	FlexibilityNo cancel fee	On-time62%	Search China Eastern flights
China Southern	Cheapest£433	Average£525	FlexibilityNo cancel fee	On-time69%	Search China Southern flights
Thai Airways	Cheapest£777	Average£815	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 £359

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 17/1. 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 23 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 23 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 23 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 23 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 find flights from Heathrow to Laos with no change fees?

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 23 December 2025.