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

A quick flight from London Heathrow Airport to Laos can take about 20h 05m. China Southern provides one of the quickest options available for as low as £667. 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.

£339+ Flights from London Heathrow Airport to Laos

Find 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 27 November 2025.

Thu 4/1221:00LHR - VTE

1 stop20h 05mChina Eastern

Mon 8/1218:00VTE - LHR

2 stops54h 30mChina Eastern

Deal found 25/11£696

Sun 30/1111:00LHR - LPQ

1 stop20h 00mVietnam Airlines

Thu 4/1219:15LPQ - LHR

1 stop19h 00mVietnam Airlines

Deal found 23/11£801

Thu 4/1211:00LHR - VTE

2 stops24h 55mVietnam Airlines

Mon 8/1211:35VTE - LHR

3 stops50h 40mVietnam Airlines

Deal found 24/11£824

Tue 23/1222:00LHR - VTE

1 stop34h 05mChina Southern

Tue 30/1216:25VTE - LHR

2 stops28h 35mChina Southern

Deal found 24/11£881

Sun 30/1109:10LHR - LPQ

2 stops43h 20mEmirates

Thu 4/1212:10LPQ - LHR

2 stops37h 10mEmirates

Deal found 23/11£983

Tue 23/1221:00LHR - VTE

2 stops31h 20mChina Eastern

Mon 29/1201:05VTE - LHR

2 stops26h 45mChina Eastern

Deal found 24/11£1,022

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 27 November 2025.

Thu 22/122:00LHR - VTE

1 stop34h 05mChina Southern

Mon 26/116:25VTE - LHR

2 stops32h 35mChina Southern

Deal found 26/11£620

Thu 22/121:00LHR - VTE

1 stop20h 05mChina Eastern

Sun 25/101:05VTE - LHR

1 stop23h 25mChina Eastern

Deal found 26/11£667

Sat 17/117:40LHR - VTE

2 stops23h 45mMultiple Airlines

Sat 31/118:45VTE - LHR

2 stops26h 15mMultiple Airlines

Deal found 26/11£738

Sun 3/521:45LHR - LPQ

2 stops32h 20mEtihad Airways

Tue 19/512:45LPQ - LHR

2 stops24h 15mEtihad Airways

Deal found 24/11£808

Sat 17/122:00LHR - VTE

1 stop34h 05mChina Southern

Sat 31/116:25VTE - LHR

2 stops32h 35mChina Southern

Deal found 26/11£641

Mon 4/521:20LHR - LPQ

2 stops57h 20mChina Eastern

Tue 19/513:30LPQ - LHR

2 stops35h 10mChina Eastern

Deal found 24/11£683

Sat 10/121:30LHR - VTE

2 stops28h 55mChina Southern

Sat 17/116:25VTE - LHR

1 stop33h 10mChina Southern

Deal found 26/11£674

Wed 28/108:50LHR - LPQ

2 stops23h 25mMultiple Airlines

Sun 15/216:05LPQ - LHR

3 stops32h 50mMultiple Airlines

Deal found 25/11£742

Sat 17/121:00LHR - VTE

1 stop20h 05mChina Eastern

Fri 30/101:05VTE - LHR

1 stop23h 25mChina Eastern

Deal found 26/11£701

Wed 6/521:45LHR - LPQ

2 stops32h 20mEtihad Airways

Tue 19/512:45LPQ - LHR

2 stops24h 15mEtihad Airways

Deal found 24/11£808

Thu 7/521:45LHR - LPQ

2 stops32h 20mEtihad Airways

Tue 19/512:45LPQ - LHR

2 stops24h 15mEtihad Airways

Deal found 24/11£808

Fri 30/122:00LHR - VTE

1 stop34h 05mChina Southern

Mon 16/216:25VTE - LHR

2 stops52h 35mChina Southern

Deal found 26/11£748

Sun 15/221:00LHR - VTE

1 stop20h 05mChina Eastern

Sat 21/218:00VTE - LHR

2 stops54h 30mChina Eastern

Deal found 24/11£764

Fri 8/520:55LHR - LPQ

2 stops33h 10mEtihad Airways

Tue 19/512:45LPQ - LHR

2 stops24h 15mEtihad Airways

Deal found 24/11£808

Sat 2/514:45LHR - LPQ

2 stops39h 20mEtihad Airways

Tue 19/512:45LPQ - LHR

2 stops24h 15mEtihad Airways

Deal found 24/11£808

Sun 3/521:45LHR - LPQ

2 stops32h 20mEtihad Airways

Mon 18/512:45LPQ - LHR

2 stops48h 15mEtihad Airways

Deal found 24/11£811

Tue 5/520:55LHR - LPQ

2 stops33h 10mEtihad Airways

Mon 18/512:45LPQ - LHR

2 stops48h 15mEtihad Airways

Deal found 24/11£811

Thu 7/514:45LHR - LPQ

2 stops39h 20mEtihad Airways

Mon 18/512:45LPQ - LHR

2 stops48h 15mEtihad Airways

Deal found 24/11£811

Last-minute flights from Heathrow to Laos
Discover last-minute flight deals from Heathrow to Laos. Data last updated 27 November 2025 and is based on user searches.

Sun 30/1111:00LHR - LPQ

1 stop20h 00mVietnam Airlines

Thu 4/1219:15LPQ - LHR

1 stop19h 00mVietnam Airlines

Deal found 23/11£801

Sun 30/1109:10LHR - LPQ

2 stops43h 20mEmirates

Thu 4/1212:10LPQ - LHR

2 stops37h 10mEmirates

Deal found 23/11£983

Thu 4/1221:00LHR - VTE

1 stop20h 05mChina Eastern

Mon 8/1218:00VTE - LHR

2 stops54h 30mChina Eastern

Deal found 25/11£696

Thu 4/1211:00LHR - VTE

2 stops24h 55mVietnam Airlines

Mon 8/1211:35VTE - LHR

3 stops50h 40mVietnam Airlines

Deal found 24/11£824

Tue 23/1222:00LHR - VTE

1 stop34h 05mChina Southern

Tue 30/1216:25VTE - LHR

2 stops28h 35mChina Southern

Deal found 24/11£881

Tue 23/1221:00LHR - VTE

2 stops31h 20mChina Eastern

Mon 29/1201:05VTE - LHR

2 stops26h 45mChina Eastern

Deal found 24/11£1,022

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 27 November 2025.

Wed 21/121:10LHR - VTE

3 stops38h 45mMultiple Airlines

Deal found 25/11£339

Mon 12/121:10LHR - VTE

2 stops37h 35mMultiple Airlines

Deal found 26/11£355

Wed 21/122:00LHR - VTE

1 stop34h 05mChina Southern

Deal found 25/11£362

Mon 12/122:00LHR - VTE

1 stop34h 05mChina Southern

Deal found 26/11£363

Tue 13/121:00LHR - VTE

3 stops38h 55mMultiple Airlines

Deal found 26/11£373

Tue 13/122:00LHR - VTE

1 stop34h 05mChina Southern

Deal found 26/11£405

Wed 15/420:50LHR - LPQ

2 stops33h 15mMultiple Airlines

Deal found 24/11£430

Mon 29/1222:00LHR - LPQ

2 stops37h 55mMultiple Airlines

Deal found 24/11£461

Fri 2/115:45LHR - VTE

2 stops25h 20mChina Eastern

Deal found 25/11£659

Cheap flight deals from Heathrow to Laos

Round-trip from	£582
One-way from	£339
Popular in	August
Cheapest in	June
Average price	£848

Hainan Airlines
28/1-19/2
3 total stops
44h 45m total
London to Laos

Search Deals

21/1
3 total stops
38h 45m total
London to Laos

Search Deals

Highest demand for flights based on searches. 11% potential increase in price (£69 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (£13 potential savings vs. average return price).

Search Deals

Average for round-trip flights in November 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 22/1

22:00-15:05

1 stop34h 05m

Vientiane Wattay

Mon 26/1

16:25-18:00

2 stops32h 35m

£620

LondonVientiane

LHR - VTE

LHRVTE

London Heathrow

Sat 17/1

22:00-15:05

1 stop34h 05m

Vientiane Wattay

Sat 31/1

16:25-18:00

2 stops32h 35m

£641

LondonVientiane

LHR - VTE

LHRVTE

London Heathrow

Thu 22/1

21:00-00:05

1 stop20h 05m

Vientiane Wattay

Sun 25/1

01:05-17:30

1 stop23h 25m

£667

LondonVientiane

LHR - VTE

LHRVTE

London Heathrow

Sat 10/1

21:30-09:25

2 stops28h 55m

Vientiane Wattay

Sat 17/1

16:25-18:35

1 stop33h 10m

£674

LondonLuang Prabang

LHR - LPQ

LHRLPQ

London Heathrow

Mon 4/5

21:20-12:40

2 stops57h 20m

Luang Prabang

Tue 19/5

13:30-18:40

2 stops35h 10m

£683

LondonVientiane

LHR - VTE

LHRVTE

London Heathrow

Sat 17/1

21:00-00:05

1 stop20h 05m

Vientiane Wattay

Fri 30/1

01:05-17:30

1 stop23h 25m

£701

LondonVientiane

LHR - VTE

LHRVTE

London Heathrow

Sat 17/1

17:40-00:25

2 stops23h 45m

Vientiane Wattay

Sat 31/1

18:45-14:00

2 stops26h 15m

£738

LondonLuang Prabang

LHR - LPQ

LHRLPQ

London Heathrow

Wed 28/1

08:50-15:15

2 stops23h 25m

Luang Prabang

Sun 15/2

16:05-17:55

3 stops32h 50m

£742

LondonVientiane

LHR - VTE

LHRVTE

London Heathrow

Fri 30/1

22:00-15:05

1 stop34h 05m

Vientiane Wattay

Mon 16/2

16:25-14:00

2 stops52h 35m

£748

LondonVientiane

LHR - VTE

LHRVTE

London Heathrow

Sun 15/2

21:00-00:05

1 stop20h 05m

Vientiane Wattay

Sat 21/2

18:00-17:30

2 stops54h 30m

£764

Flights are sorted by cheapest return flights first.

Deals found on 25/11

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 £240). Flying from London Heathrow Airport to Laos in December is currently the most expensive (average of £928). 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

362 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

362 reviews

Thai Airways

7.8

Good

362 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

119 reviews

Thai Airways

7.8

Good

362 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

362 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 20h 05m. China Southern provides one of the quickest options available for as low as £667. 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 £240). Flying from London Heathrow Airport to Laos in December is currently the most expensive (average of £928). 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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Top 3 airlines flying from Heathrow to Laos

Airline	Cheapest	Average	Flexibility	On-time
China Eastern	Cheapest£240	Average£683	FlexibilityNo cancel fee	On-time62%	Search China Eastern flights
China Southern	Cheapest£440	Average£539	FlexibilityNo cancel fee	On-time69%	Search China Southern flights
Thai Airways	Cheapest£793	Average£824	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.

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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 £339

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 21/1. Fares are subject to change and may not be available on all flights or dates of travel.

Find 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 27 November 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 27 November 2025.

Cheap flight deals from Heathrow to Laos

Keep the following information in mind while searching for Heathrow to Laos flight deals. Data was last updated 27 November 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 27 November 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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Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

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

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 27 November 2025.