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

A quick flight from London Heathrow Airport to Laos can take about 16h 40m. Vietnam Airlines provides one of the quickest options available for as low as £805. 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 British Airways, Virgin Atlantic and United Airlines. 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.

£350+ Cheap Flights from London Heathrow Airport to Laos

Cheap flight deals from Heathrow to Laos

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

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 12 October 2026.

Sat 14/1122:00 -

1 stop34h 05m

Fri 27/1111:30 -

1 stop38h 05m

Deal found 11/10£500

Wed 11/1122:00 -

1 stop34h 05m

Wed 25/1111:30 -

1 stop38h 05m

Deal found 8/10£501

Thu 5/1122:00 -

1 stop34h 05m

Wed 18/1116:25 -

1 stop33h 10m

Deal found 10/10£503

Sun 15/1122:00 -

1 stop34h 05m

Tue 24/1116:25 -

1 stop33h 10m

Deal found 8/10£508

Mon 9/1122:00 -

1 stop34h 05m

Mon 30/1116:25 -

1 stop33h 10m

Deal found 9/10£537

Sun 8/1122:00 -

1 stop34h 05m

Fri 27/1111:30 -

1 stop38h 05m

Deal found 11/10£538

Wed 4/1122:00 -

1 stop34h 05m

Wed 11/1116:25 -

1 stop33h 10m

Deal found 8/10£539

Sat 21/1122:00 -

1 stop29h 30m

Sun 6/1211:30 -

1 stop38h 05m

Deal found 10/10£555

Sun 22/1122:00 -

1 stop34h 05m

Sun 29/1116:25 -

2 stops33h 10m

Deal found 8/10£570

Wed 25/1120:25 -

3 stops29h 30m

Wed 2/1216:05 -

3 stops32h 45m

Deal found 11/10£737

Mon 16/1119:00 -

2 stops35h 40m

Thu 19/1114:20 -

2 stops32h 50m

Deal found 8/10£930

Wed 25/1119:00 -

2 stops35h 40m

Wed 2/1214:20 -

2 stops32h 50m

Deal found 11/10£965

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 12 October 2026.

Wed 25/1111:00 -

1 stop16h 40m

Sun 29/1119:50 -

1 stop18h 25m

Deal found 8/10£805

Mon 16/1119:00 -

2 stops35h 40m

Thu 19/1114:20 -

2 stops32h 50m

Deal found 8/10£930

Sat 24/1017:00 -

2 stops38h 40m

Wed 28/1014:20 -

2 stops24h 00m

Deal found 11/10£1,216

Sun 27/1221:35 -

1 stop32h 30m

Sat 9/113:45 -

1 stop36h 50m

Deal found 10/10£1,264

Mon 23/1111:00 -

1 stop16h 40m

Mon 7/1211:25 -

2 stops26h 50m

Deal found 7/10£807

Mon 23/1111:00 -

1 stop16h 40m

Sat 5/1219:50 -

1 stop18h 25m

Deal found 7/10£808

Thu 19/1111:00 -

2 stops40h 40m

Sun 6/1219:50 -

1 stop18h 25m

Deal found 10/10£832

Sun 22/1111:00 -

1 stop16h 40m

Mon 7/1211:25 -

3 stops50h 50m

Deal found 7/10£832

Sat 24/1017:00 -

2 stops38h 40m

Tue 27/1014:20 -

2 stops28h 55m

Deal found 11/10£1,216

Sun 22/1111:00 -

3 stops25h 05m

Tue 8/1211:25 -

3 stops26h 50m

Deal found 10/10£853

Sat 24/1012:30 -

1 stop17h 50m

Wed 28/1007:40 -

1 stop18h 55m

Deal found 11/10£1,413

Thu 22/1012:30 -

1 stop17h 35m

Tue 27/1014:20 -

1 stop23h 20m

Deal found 11/10£1,441

Sat 26/1217:55 -

2 stops36h 10m

Sat 9/113:45 -

1 stop36h 50m

Deal found 12/10£1,554

Thu 22/1018:55 -

2 stops41h 50m

Mon 26/1014:35 -

2 stops23h 40m

Deal found 11/10£1,249

Mon 16/1118:15 -

2 stops36h 35m

Thu 19/1119:25 -

1 stop18h 50m

Deal found 7/10£1,483

Find flight deals from Heathrow to Laos

Round-trip from	£496
One-way from	£350
Popular in	June
Cheapest in	November
Average price	£821

China Southern
18/11-1/12
2 total stops
62h 40m total
London to Laos

Search Deals

21/1-31/12
2 total stops
36h 50m total
London to Laos

Search Deals

Highest demand for flights based on searches. 6% potential increase in price (£42 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease (£25 potential savings vs. average return price).

Search Deals

Average for round-trip flights in October 2026

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

Cheapest return flight

LondonVientiane

LHR London Heathrow - VTE Vientiane Wattay

LHRVTE

London Heathrow

Sat 21/11

21:00-19:35

1 stop15h 35m

Vientiane Wattay

Wed 31/12

00:00-18:00

Nonstop0h 00m

£357

LondonLuang Prabang

LHR London Heathrow - LPQ Luang Prabang

LHRLPQ

London Heathrow

Thu 25/2

22:00-20:25

2 stops39h 25m

Luang Prabang

Wed 31/12

00:00-18:00

Nonstop0h 00m

£403

LondonVientiane

LHR London Heathrow - VTE Vientiane Wattay

LHRVTE

London Heathrow

Sun 22/11

17:45-22:10

2 stops21h 25m

Vientiane Wattay

Wed 31/12

00:00-18:00

Nonstop0h 00m

£423

LondonVientiane

LHR London Heathrow - VTE Vientiane Wattay

LHRVTE

London Heathrow

Wed 3/2

17:30-11:15

2 stops34h 45m

Vientiane Wattay

Wed 31/12

00:00-18:00

Nonstop0h 00m

£429

LondonLuang Prabang

LHR London Heathrow - LPQ Luang Prabang

LHRLPQ

London Heathrow

Tue 23/2

09:55-12:35

3 stops43h 40m

Luang Prabang

Wed 31/12

00:00-18:00

Nonstop0h 00m

£439

LondonVientiane

LHR London Heathrow - VTE Vientiane Wattay

LHRVTE

London Heathrow

Mon 4/1

21:00-22:10

3 stops42h 10m

Vientiane Wattay

Wed 31/12

00:00-18:00

Nonstop0h 00m

£454

LondonLuang Prabang

LHR London Heathrow - LPQ Luang Prabang

LHRLPQ

London Heathrow

Fri 11/12

09:55-12:20

3 stops43h 25m

Luang Prabang

Wed 31/12

00:00-18:00

Nonstop0h 00m

£467

LondonLuang Prabang

LHR London Heathrow - LPQ Luang Prabang

LHRLPQ

London Heathrow

Fri 13/11

12:30-08:55

3 stops37h 25m

Luang Prabang

Wed 31/12

00:00-18:00

Nonstop0h 00m

£489

LondonVientiane

LHR London Heathrow - VTE Vientiane Wattay

LHRVTE

London Heathrow

Sun 22/11

11:00-10:40

1 stop16h 40m

Vientiane Wattay

Wed 31/12

00:00-18:00

Nonstop0h 00m

£512

LondonVientiane

LHR London Heathrow - VTE Vientiane Wattay

LHRVTE

London Heathrow

Sat 26/12

06:00-15:50

3 stops26h 50m

Vientiane Wattay

Wed 31/12

00:00-18:00

Nonstop0h 00m

£526

Flights are sorted by cheapest return flights first.

Deals found on 12/10

Showing 1-10 of 29 resultsSorted by cheapest first

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.

LHR-VTE

LHR-LPQ

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

LHR-LA0

LHR-VTE

LHR-LPQ

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

Reviews of airlines servicing Laos

Check out reviews from past customers who have flown with Thai Airways and China 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

7.9

Good

427 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Thayawat,Sept 2026

SIN - BKK

Entertainment system was improved. I could not get my preferred Isle seat this time.

Thai Airways

7.9

Good

427 reviews

Thai Airways

7.9

Good

427 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Thayawat,Sept 2026

SIN - BKK

Entertainment system was improved. I could not get my preferred Isle seat this time.

China Eastern

7.3

Good

245 reviews

Thai Airways

7.9

Good

427 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Thayawat,Sept 2026

SIN - BKK

Entertainment system was improved. I could not get my preferred Isle seat this time.

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 16h 40m. Vietnam Airlines provides one of the quickest options available for as low as £805. 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Alternative routes

Complete your trip

Direct flights to

Flights by cabin class

Other flight options

Popular flights

Top destinations

Alternative routes for Heathrow to Laos

Heathrow to Suvarnabhumi flights

Gatwick to Suvarnabhumi flights

Stansted to Suvarnabhumi flights

Heathrow to New Delhi flights

London City to Suvarnabhumi flights

Heathrow to Haneda flights

Heathrow to Mumbai flights

Heathrow to Don Mueang Intl flights

Gatwick to Don Mueang Intl flights

Luton to Suvarnabhumi flights

Gatwick to New Delhi flights

Stansted to New Delhi flights

Heathrow to Colombo flights

Heathrow to Hong Kong flights

Heathrow to Manila flights

Heathrow to Kuala Lumpur Intl flights

Heathrow to Narita flights

Heathrow to Islamabad flights

Gatwick to Haneda flights

Gatwick to Narita flights

Gatwick to Manila flights

Gatwick to Mumbai flights

Stansted to Narita flights

Stansted to Manila flights

Stansted to Mumbai flights

Stansted to Haneda flights

Gatwick to Ahmedabad flights

Heathrow to Lahore flights

London City to Manila flights

Heathrow to Singapore flights

Gatwick to Colombo flights

London City to Narita flights

Heathrow to Phuket City flights

Gatwick to Singapore flights

Heathrow to Ahmedabad flights

Heathrow to Hyderabad flights

Stansted to Islamabad flights

Heathrow to Incheon Intl flights

Luton to New Delhi flights

Gatwick to Hong Kong flights

Gatwick to Lahore flights

Gatwick to Phuket City flights

Gatwick to Kuala Lumpur Intl flights

Stansted to Lahore flights

Heathrow to Dhaka flights

London City to Haneda flights

Stansted to Colombo flights

Stansted to Hong Kong flights

London City to Hong Kong flights

Top 2 airlines flying from Heathrow to Laos

Airline	Cheapest	Average	Flexibility	On-time
China Eastern	Cheapest£479	Average£565	FlexibilityNo cancel fee	On-time62%	Search China Eastern flights
Thai Airways	Cheapest£877	Average£965	FlexibilityNo cancel fee	On-time77%	Search Thai Airways flights

Fly with Cheapflights

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

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from London Heathrow Airport to Laos from £350

This is the cheapest retur 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.

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 12 October 2026.

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 12 October 2026.

Best flights from Heathrow to LaosDiscover 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 12 October 2026.

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 12 October 2026.

Last-minute flights from Heathrow to LaosDiscover last-minute flight deals from Heathrow to Laos. Data last updated 12 October 2026 and is based on user searches.

Discover last-minute flight deals from Heathrow to Laos. Data last updated 12 October 2026 and is based on user searches.

One-way flights from Heathrow to LaosSearch for one-way flight options from Heathrow to Laos. Find affordable one-way fares based on user searches. Data last updated 12 October 2026.

Search for one-way flight options from Heathrow to Laos. Find affordable one-way fares based on user searches. Data last updated 12 October 2026.

Find flight deals from Heathrow to Laos

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

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 12 October 2026.

Check out reviews from past customers who have flown with Thai Airways and China 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.

Related info for your journey

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?

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.

Complete your trip

Complete your trip to Laos by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to

Book a non-stop flight to one of these other cities located in .

Search flights from Heathrow to Laos by cabin class

Find flights from Heathrow to Laos, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Heathrow and Laos flights

Browse other Heathrow and Laos flight options. Last updated on 12 October 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Heathrow to Laos flights

Consider these flights travelling from Heathrow to Laos.

Top 2 airlines flying from Heathrow to Laos

Fly with Cheapflights

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?

100% Free

Book with Flexibility

Travel Smart

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 12 October 2026.

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 12 October 2026.

Last-minute flights from Heathrow to Laos
Discover last-minute flight deals from Heathrow to Laos. Data last updated 12 October 2026 and is based on user searches.

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 12 October 2026.