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

A quick flight from London Heathrow Airport to Laos can take about 38h 45m. China Southern provides one of the quickest options available for as low as £481. 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 China Southern, China Eastern and Thai Airways. Something to consider prior to booking your flight.

How far in advance should I book a flight from London Heathrow Airport to Laos?

Find a great deal and save up to 20% by booking at least 48 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from London Heathrow Airport to Laos within the next two weeks, with the cheapest ticket starting at £567.

What is the cheapest month to fly from London Heathrow Airport to Laos?

May can be a great time to fly to Laos from London Heathrow Airport with a flight ticket averaging about £676. Cheapflights users have found deals in the month of May for as cheap as £473. The most expensive prices can be found in the month of August.

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.

£297+ Flights from London Heathrow Airport to Laos

Cheap flight deals from Heathrow to Laos

Round-trip from	£481
One-way from	£297
Popular in	August
Cheapest in	May
Average price	£918

China Southern
2/10-9/10
3 total stops
69h 00m total
London to Laos

Search Deals

Hainan Airlines
10/9
1 total stop
16h 30m total
London to Laos

Search Deals

Highest demand for flights based on searches. 12% potential increase in price (£71 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (£17 potential savings vs. average return price).

Search Deals

Average for round-trip flights in August 2025

Search Deals

Find flight deals from Heathrow to Laos

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 19 August 2025.

Thu 2/1021:00LHR - VTE

2 stops38h 45mChina Southern

Thu 9/1018:45VTE - LHR

1 stop30h 15mChina Southern

Deal found 18/8£481

Tue 4/1122:00LHR - VTE

1 stop37h 25mChina Southern

Tue 2/1219:25VTE - LHR

1 stop29h 50mChina Southern

Deal found 18/8£496

Thu 2/1021:00LHR - VTE

2 stops38h 45mChina Southern

Sun 5/1018:45VTE - LHR

1 stop30h 15mChina Southern

Deal found 18/8£504

Wed 5/1121:30LHR - VTE

2 stops37h 55mChina Southern

Sun 16/1119:25VTE - LHR

1 stop29h 50mChina Southern

Deal found 18/8£509

Mon 3/1122:00LHR - VTE

1 stop37h 25mChina Southern

Sun 16/1119:25VTE - LHR

1 stop29h 50mChina Southern

Deal found 18/8£511

Fri 3/1021:00LHR - VTE

2 stops38h 45mChina Southern

Fri 10/1018:45VTE - LHR

1 stop30h 15mChina Southern

Deal found 19/8£513

Sun 2/1122:00LHR - VTE

1 stop37h 25mChina Southern

Wed 12/1119:25VTE - LHR

1 stop29h 50mChina Southern

Deal found 17/8£525

Sat 4/1022:10LHR - VTE

1 stop37h 35mChina Southern

Tue 28/1019:25VTE - LHR

1 stop29h 50mChina Southern

Deal found 18/8£528

Fri 3/1021:00LHR - VTE

2 stops38h 45mChina Southern

Mon 6/1018:45VTE - LHR

1 stop30h 15mChina Southern

Deal found 18/8£538

Sat 4/1022:10LHR - VTE

1 stop37h 35mChina Southern

Sat 25/1018:45VTE - LHR

2 stops54h 10mChina Southern

Deal found 18/8£539

Wed 17/909:30LHR - LPQ

2 stops20h 35mMultiple Airlines

Wed 24/912:45LPQ - LHR

2 stops32h 30mMultiple Airlines

Deal found 18/8£711

Sat 22/1113:50LHR - LPQ

2 stops23h 10mMultiple Airlines

Sat 29/1112:15LPQ - LHR

2 stops25h 00mMultiple Airlines

Deal found 17/8£910

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 19 August 2025.

Thu 2/1021:00LHR - VTE

2 stops38h 45mChina Southern

Thu 9/1018:45VTE - LHR

1 stop30h 15mChina Southern

Deal found 18/8£481

Wed 17/909:30LHR - LPQ

2 stops20h 35mMultiple Airlines

Wed 24/912:45LPQ - LHR

2 stops32h 30mMultiple Airlines

Deal found 18/8£711

Sat 17/111:00LHR - LPQ

2 stops44h 00mVietnam Airlines

Mon 2/219:15LPQ - LHR

2 stops25h 30mVietnam Airlines

Deal found 17/8£898

Tue 4/1121:30LHR - VTE

2 stops37h 55mChina Southern

Tue 2/1219:25VTE - LHR

1 stop29h 50mChina Southern

Deal found 18/8£481

Thu 2/1021:00LHR - VTE

2 stops38h 45mChina Southern

Sun 5/1018:45VTE - LHR

1 stop30h 15mChina Southern

Deal found 18/8£504

Sun 2/1121:30LHR - VTE

2 stops37h 55mChina Southern

Wed 12/1119:25VTE - LHR

1 stop29h 50mChina Southern

Deal found 17/8£504

Wed 5/1121:30LHR - VTE

2 stops37h 55mChina Southern

Sun 16/1119:25VTE - LHR

1 stop29h 50mChina Southern

Deal found 18/8£509

Mon 3/1122:00LHR - VTE

1 stop37h 25mChina Southern

Sun 16/1119:25VTE - LHR

1 stop29h 50mChina Southern

Deal found 18/8£511

Sat 17/116:40LHR - LPQ

2 stops20h 20mMultiple Airlines

Mon 2/217:25LPQ - LHR

2 stops23h 30mMultiple Airlines

Deal found 18/8£827

Fri 3/1021:00LHR - VTE

2 stops38h 45mChina Southern

Fri 10/1018:45VTE - LHR

1 stop30h 15mChina Southern

Deal found 19/8£513

Sat 22/1122:00LHR - VTE

1 stop37h 25mChina Southern

Sat 29/1119:25VTE - LHR

1 stop29h 50mChina Southern

Deal found 18/8£525

Sat 22/1113:50LHR - LPQ

2 stops23h 10mMultiple Airlines

Sat 29/1112:15LPQ - LHR

2 stops25h 00mMultiple Airlines

Deal found 17/8£910

Last-minute flights from Heathrow to Laos
Discover last-minute flight deals from Heathrow to Laos. Data last updated 19 August 2025 and is based on user searches.

Mon 1/922:10LHR - VTE

1 stop37h 35mChina Southern

Mon 15/918:45VTE - LHR

1 stop30h 15mChina Southern

Deal found 17/8£562

Sun 7/922:05LHR - VTE

2 stops37h 40mMultiple Airlines

Tue 23/901:00VTE - LHR

1 stop23h 40mMultiple Airlines

Deal found 18/8£655

Mon 8/922:05LHR - VTE

2 stops37h 40mMultiple Airlines

Tue 23/901:00VTE - LHR

1 stop23h 40mMultiple Airlines

Deal found 18/8£655

Tue 9/922:15LHR - VTE

2 stops31h 55mMultiple Airlines

Tue 23/901:00VTE - LHR

1 stop23h 40mMultiple Airlines

Deal found 18/8£670

Wed 10/922:00LHR - VTE

1 stop16h 30mMultiple Airlines

Tue 23/918:50VTE - LHR

2 stops29h 50mMultiple Airlines

Deal found 18/8£620

Wed 10/922:00LHR - VTE

1 stop16h 30mMultiple Airlines

Tue 23/901:00VTE - LHR

1 stop23h 40mMultiple Airlines

Deal found 18/8£638

Wed 10/922:00LHR - VTE

1 stop16h 30mMultiple Airlines

Wed 1/1011:35VTE - LHR

2 stops35h 20mMultiple Airlines

Deal found 18/8£661

Wed 17/922:00LHR - VTE

1 stop16h 30mMultiple Airlines

Tue 23/901:00VTE - LHR

1 stop23h 40mMultiple Airlines

Deal found 18/8£608

Wed 17/909:30LHR - LPQ

2 stops20h 35mMultiple Airlines

Wed 24/912:45LPQ - LHR

2 stops32h 30mMultiple Airlines

Deal found 18/8£711

Tue 30/922:10LHR - VTE

1 stop37h 35mChina Southern

Fri 10/1018:45VTE - LHR

2 stops53h 20mChina Southern

Deal found 17/8£699

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 19 August 2025.

Wed 10/922:00LHR - VTE

1 stop16h 30mHainan Airlines

Deal found 18/8£297

Sun 7/922:05LHR - VTE

2 stops37h 40mMultiple Airlines

Deal found 18/8£325

Wed 10/922:05LHR - VTE

2 stops37h 40mMultiple Airlines

Deal found 18/8£327

Mon 8/922:05LHR - VTE

2 stops37h 40mMultiple Airlines

Deal found 18/8£327

Sat 13/922:05LHR - VTE

2 stops37h 40mMultiple Airlines

Deal found 18/8£332

Tue 9/922:15LHR - VTE

2 stops31h 55mMultiple Airlines

Deal found 18/8£342

Fri 24/1022:00LHR - VTE

2 stops29h 25mMultiple Airlines

Deal found 19/8£366

Tue 4/1122:00LHR - VTE

1 stop37h 25mChina Southern

Deal found 19/8£378

Tue 9/922:10LHR - VTE

1 stop37h 35mChina Southern

Deal found 18/8£378

Thu 6/1117:40LHR - VTE

2 stops30h 55mMultiple Airlines

Deal found 19/8£379

Wed 22/1022:00LHR - VTE

1 stop16h 30mHainan Airlines

Deal found 19/8£380

Thu 6/1122:00LHR - VTE

1 stop37h 25mChina Southern

Deal found 19/8£386

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 2/10

21:00-17:45

2 stops38h 45m

Vientiane Wattay

Thu 9/10

18:45-19:00

1 stop30h 15m

£481

LondonVientiane

LHR - VTE

LHRVTE

London Heathrow

Tue 4/11

21:30-18:25

2 stops37h 55m

Vientiane Wattay

Tue 2/12

19:25-18:15

1 stop29h 50m

£481

LondonVientiane

LHR - VTE

LHRVTE

London Heathrow

Thu 2/10

21:00-17:45

2 stops38h 45m

Vientiane Wattay

Sun 5/10

18:45-19:00

1 stop30h 15m

£504

LondonVientiane

LHR - VTE

LHRVTE

London Heathrow

Sun 2/11

21:30-18:25

2 stops37h 55m

Vientiane Wattay

Wed 12/11

19:25-18:15

1 stop29h 50m

£504

LondonVientiane

LHR - VTE

LHRVTE

London Heathrow

Wed 5/11

21:30-18:25

2 stops37h 55m

Vientiane Wattay

Sun 16/11

19:25-18:15

1 stop29h 50m

£509

LondonVientiane

LHR - VTE

LHRVTE

London Heathrow

Mon 3/11

22:00-18:25

1 stop37h 25m

Vientiane Wattay

Sun 16/11

19:25-18:15

1 stop29h 50m

£511

LondonVientiane

LHR - VTE

LHRVTE

London Heathrow

Fri 3/10

21:00-17:45

2 stops38h 45m

Vientiane Wattay

Fri 10/10

18:45-19:00

1 stop30h 15m

£513

LondonVientiane

LHR - VTE

LHRVTE

London Heathrow

Sat 22/11

22:00-18:25

1 stop37h 25m

Vientiane Wattay

Sat 29/11

19:25-18:15

1 stop29h 50m

£525

LondonVientiane

LHR - VTE

LHRVTE

London Heathrow

Sat 4/10

22:10-17:45

1 stop37h 35m

Vientiane Wattay

Tue 28/10

19:25-18:15

1 stop29h 50m

£528

LondonLuang Prabang

LHR - LPQ

LHRLPQ

London Heathrow

Wed 17/9

09:30-12:05

2 stops20h 35m

Luang Prabang

Wed 24/9

12:45-15:15

2 stops32h 30m

£711

Flights are sorted by cheapest return flights first.

Deals found on 18/8

Showing 1-10 of 35 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

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, 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

344 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

344 reviews

Thai Airways

7.8

Good

344 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

7.6

Good

106 reviews

Thai Airways

7.8

Good

344 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

160 reviews

Thai Airways

7.8

Good

344 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 38h 45m. China Southern provides one of the quickest options available for as low as £481. 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 3 airlines flying from Heathrow to Laos

Airline	Cheapest	Average	Flexibility	On-time
China Southern	Cheapest£468	Average£526	FlexibilityNo cancel fee	On-time69%	Search China Southern flights
China Eastern	Cheapest£568	Average£652	FlexibilityNo cancel fee	On-time62%	Search China Eastern flights
Thai Airways	Cheapest£767	Average£806	FlexibilityNo cancel fee	On-time77%	Search Thai Airways flights

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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.

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Cheap flights from London Heathrow Airport to Laos from £297

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 10/9. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Heathrow to Laos

Keep the following information in mind while searching for Heathrow to Laos flight deals. Data was last updated 19 August 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

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 19 August 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 19 August 2025.

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

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 19 August 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?

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 19 August 2025.