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

A quick flight from London Heathrow Airport to Laos can take about 17h 50m. China Southern provides one of the quickest options available for as low as £624. 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 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.

£329+ 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 16 September 2026.

Mon 14/922:10 -

1 stop30h 20m

Mon 28/915:50 -

1 stop33h 30m

Deal found 13/9£503

Thu 1/1022:10 -

1 stop34h 35m

Tue 13/1011:30 -

1 stop37h 50m

Deal found 12/9£516

Mon 26/1022:00 -

1 stop34h 05m

Mon 9/1116:25 -

1 stop33h 10m

Deal found 13/9£537

Mon 9/1122:00 -

1 stop29h 30m

Mon 30/1116:25 -

1 stop33h 10m

Deal found 14/9£539

Fri 18/922:10 -

1 stop34h 35m

Sun 4/1015:50 -

1 stop33h 30m

Deal found 15/9£555

Thu 24/922:10 -

1 stop34h 35m

Mon 28/911:30 -

1 stop37h 50m

Deal found 11/9£556

Sun 8/1121:30 -

2 stops34h 35m

Sun 6/1211:30 -

1 stop38h 05m

Deal found 13/9£580

Mon 9/1121:00 -

1 stop20h 05m

Sun 29/1101:05 -

1 stop23h 25m

Deal found 15/9£616

Mon 26/1021:00 -

1 stop20h 05m

Mon 9/1114:00 -

2 stops34h 30m

Deal found 13/9£617

Sun 8/1121:00 -

2 stops57h 15m

Sun 22/1114:15 -

2 stops34h 15m

Deal found 13/9£668

Wed 28/1021:00 -

2 stops33h 15m

Wed 4/1114:15 -

2 stops34h 15m

Deal found 13/9£678

Wed 28/1021:00 -

2 stops33h 15m

Wed 4/1116:05 -

3 stops33h 05m

Deal found 13/9£756

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 16 September 2026.

Mon 9/1122:00 -

1 stop34h 05m

Mon 30/1111:30 -

1 stop38h 05m

Deal found 12/9£539

Mon 9/1121:00 -

2 stops29h 05m

Sun 29/1101:05 -

1 stop23h 25m

Deal found 13/9£618

Wed 13/119:45 -

1 stop17h 50m

Thu 18/221:40 -

2 stops27h 05m

Deal found 12/9£624

Wed 13/120:05 -

2 stops30h 05m

Thu 18/210:15 -

2 stops26h 40m

Deal found 12/9£709

Mon 28/914:45 -

2 stops39h 20m

Fri 2/1012:45 -

2 stops32h 20m

Deal found 13/9£799

Wed 28/1011:00 -

1 stop19h 50m

Wed 4/1114:35 -

2 stops23h 40m

Deal found 13/9£866

Wed 28/1021:00 -

2 stops33h 15m

Wed 4/1114:15 -

2 stops34h 15m

Deal found 13/9£678

Wed 17/222:00 -

1 stop34h 05m

Wed 24/216:25 -

1 stop33h 10m

Deal found 14/9£727

Wed 28/1021:00 -

2 stops33h 15m

Wed 4/1116:05 -

3 stops33h 05m

Deal found 13/9£756

Sun 8/1106:20 -

3 stops29h 45m

Sun 6/1211:25 -

3 stops26h 50m

Deal found 13/9£891

Mon 9/1120:05 -

2 stops40h 40m

Mon 30/1120:30 -

2 stops28h 55m

Deal found 13/9£818

Sat 14/1120:05 -

2 stops34h 35m

Sun 29/1114:20 -

2 stops22h 35m

Deal found 11/9£826

Wed 17/206:20 -

3 stops29h 45m

Wed 24/211:25 -

2 stops26h 50m

Deal found 14/9£921

Mon 9/1111:00 -

3 stops25h 05m

Mon 30/1111:25 -

2 stops26h 50m

Deal found 15/9£931

Sat 26/908:25 -

2 stops21h 40m

Sun 27/915:00 -

3 stops34h 00m

Deal found 16/9£916

Find flight deals from Heathrow to Laos

Round-trip from	£504
One-way from	£329
Popular in	June
Cheapest in	September
Average price	£613

China Southern
13/1-27/1
2 total stops
67h 15m total
London to Laos

Search Deals

26/9-31/12
3 total stops
52h 45m total
London to Laos

Search Deals

Highest demand for flights based on searches. 7% potential increase in price (£51 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (£23 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 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 26/9

20:50-07:35

3 stops52h 45m

Vientiane Wattay

Wed 31/12

00:00-18:00

Nonstop0h 00m

£329

LondonVientiane

LHR London Heathrow - VTE Vientiane Wattay

LHRVTE

London Heathrow

Thu 12/11

22:30-18:00

2 stops36h 30m

Vientiane Wattay

Wed 31/12

00:00-18:00

Nonstop0h 00m

£376

LondonVientiane

LHR London Heathrow - VTE Vientiane Wattay

LHRVTE

London Heathrow

Fri 20/11

22:00-15:05

1 stop34h 05m

Vientiane Wattay

Wed 31/12

00:00-18:00

Nonstop0h 00m

£383

LondonVientiane

LHR London Heathrow - VTE Vientiane Wattay

LHRVTE

London Heathrow

Mon 26/10

21:30-00:05

2 stops43h 35m

Vientiane Wattay

Wed 31/12

00:00-18:00

Nonstop0h 00m

£395

LondonVientiane

LHR London Heathrow - VTE Vientiane Wattay

LHRVTE

London Heathrow

Sun 25/10

22:00-10:30

1 stop29h 30m

Vientiane Wattay

Wed 31/12

00:00-18:00

Nonstop0h 00m

£396

LondonLuang Prabang

LHR London Heathrow - LPQ Luang Prabang

LHRLPQ

London Heathrow

Wed 9/12

07:00-20:25

3 stops30h 25m

Luang Prabang

Wed 31/12

00:00-18:00

Nonstop0h 00m

£396

LondonVientiane

LHR London Heathrow - VTE Vientiane Wattay

LHRVTE

London Heathrow

Thu 10/12

19:30-22:05

3 stops43h 35m

Vientiane Wattay

Wed 31/12

00:00-18:00

Nonstop0h 00m

£449

LondonLuang Prabang

LHR London Heathrow - LPQ Luang Prabang

LHRLPQ

London Heathrow

Wed 14/10

15:50-14:50

3 stops41h 00m

Luang Prabang

Wed 31/12

00:00-18:00

Nonstop0h 00m

£460

LondonLuang Prabang

LHR London Heathrow - LPQ Luang Prabang

LHRLPQ

London Heathrow

Thu 10/12

11:30-13:50

3 stops43h 20m

Luang Prabang

Wed 31/12

00:00-18:00

Nonstop0h 00m

£478

LondonLuang Prabang

LHR London Heathrow - LPQ Luang Prabang

LHRLPQ

London Heathrow

Wed 9/12

21:00-13:15

2 stops33h 15m

Luang Prabang

Wed 31/12

00:00-18:00

Nonstop0h 00m

£501

Flights are sorted by cheapest return flights first.

Deals found on 11/9

Showing 1-10 of 36 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

419 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Virendra,Jan 2026

DEL - BKK

Having required wheel chair assistance, I received amazing service from the ground and cabin staff. Everything was a breeze. Flight was comfortable but the entertainment system was quite dated. The chicken noodles served was amazing

Thai Airways

7.9

Good

419 reviews

Thai Airways

7.9

Good

419 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Virendra,Jan 2026

DEL - BKK

China Eastern

7.3

Good

240 reviews

Thai Airways

7.9

Good

419 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Virendra,Jan 2026

DEL - BKK

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 17h 50m. China Southern provides one of the quickest options available for as low as £624. 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

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Top 2 airlines flying from Heathrow to Laos

Airline	Cheapest	Average	Flexibility	On-time
China Eastern	Cheapest£470	Average£555	FlexibilityNo cancel fee	On-time62%	Search China Eastern flights
Thai Airways	Cheapest£861	Average£939	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 £329

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 26/9. 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 16 September 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 16 September 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 16 September 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 16 September 2026.

Last-minute flights from Heathrow to LaosDiscover last-minute flight deals from Heathrow to Laos. Data last updated 16 September 2026 and is based on user searches.

Discover last-minute flight deals from Heathrow to Laos. Data last updated 16 September 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 16 September 2026.

Search for one-way flight options from Heathrow to Laos. Find affordable one-way fares based on user searches. Data last updated 16 September 2026.

Find flight deals from Heathrow to Laos

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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 16 September 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

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Complete your trip

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

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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

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Top 2 airlines flying from Heathrow to Laos

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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 16 September 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 16 September 2026.

Last-minute flights from Heathrow to Laos
Discover last-minute flight deals from Heathrow to Laos. Data last updated 16 September 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 16 September 2026.