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Cheap flights from London Heathrow Airport to Laos from £337

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 26/1. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — VTE
14 Dec — 21 Dec1
1 adult
1 adult, Economy, 0 bags

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 14 November 2025.

Wed 26/1122:00LHR - VTE
1 stop34h 05mChina Southern
Tue 2/1216:25VTE - LHR
2 stops28h 35mChina Southern
Deal found 12/11£489
Thu 27/1122:00LHR - VTE
1 stop34h 05mChina Southern
Tue 2/1216:25VTE - LHR
2 stops28h 35mChina Southern
Deal found 12/11£508
Wed 26/1117:15LHR - VTE
2 stops38h 50mChina Southern
Wed 3/1216:25VTE - LHR
1 stop33h 10mChina Southern
Deal found 12/11£511
Tue 25/1122:00LHR - VTE
1 stop34h 05mChina Southern
Tue 2/1216:25VTE - LHR
2 stops28h 35mChina Southern
Deal found 12/11£520
Tue 25/1121:30LHR - VTE
2 stops34h 35mChina Southern
Fri 5/1216:25VTE - LHR
1 stop33h 10mChina Southern
Deal found 13/11£535
Wed 26/1122:00LHR - VTE
1 stop34h 05mChina Southern
Mon 1/1216:25VTE - LHR
1 stop33h 10mChina Southern
Deal found 12/11£549
Tue 25/1122:00LHR - VTE
1 stop34h 05mChina Southern
Mon 1/1216:25VTE - LHR
2 stops52h 35mChina Southern
Deal found 12/11£555
Thu 27/1122:00LHR - VTE
1 stop34h 05mChina Southern
Wed 3/1216:25VTE - LHR
1 stop33h 10mChina Southern
Deal found 12/11£564
Thu 27/1122:00LHR - VTE
1 stop34h 05mChina Southern
Mon 1/1216:25VTE - LHR
2 stops52h 35mChina Southern
Deal found 12/11£585
Sat 22/1121:30LHR - VTE
2 stops28h 55mChina Southern
Sat 29/1116:25VTE - LHR
1 stop33h 10mChina Southern
Deal found 12/11£591
Tue 18/1121:00LHR - LPQ
2 stops58h 00mMultiple Airlines
Fri 28/1116:05LPQ - LHR
2 stops32h 25mMultiple Airlines
Deal found 13/11£736
Sat 27/1221:30LHR - LPQ
3 stops28h 35mMultiple Airlines
Sat 3/116:05LPQ - LHR
2 stops26h 35mMultiple Airlines
Deal found 12/11£1,106

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 14 November 2025.

Round-trip from

£489

One-way from

£337

Popular in

August

Cheapest in

June

Average price

£851
China Southern
  • China Southern
  • 26/11-2/12
  • 3 total stops
  • 62h 40m total
  • London to Laos
Search Deals
26/1
  • 26/1
  • 3 total stops
  • 38h 45m total
  • London to Laos
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£70 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

 
Customise your flight search to find flights from Heathrow to Laos that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 14 November 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Laos that are best for you.

Fly from

Heathrow

Fly to

Laos

Route

Depart

Return

Price

LondonVientiane

LHR - VTE

LHRVTE

London Heathrow

Wed 26/11

17:15-15:05

2 stops38h 50m

Vientiane Wattay

Mon 1/12

16:25-18:35

1 stop33h 10m

£511

LondonVientiane

LHR - VTE

LHRVTE

London Heathrow

Mon 4/5

22:10-17:45

1 stop37h 35m

Vientiane Wattay

Thu 14/5

18:45-19:00

1 stop30h 15m

£545

LondonVientiane

LHR - VTE

LHRVTE

London Heathrow

Tue 25/11

22:00-15:05

1 stop34h 05m

Vientiane Wattay

Wed 3/12

16:25-18:35

1 stop33h 10m

£549

LondonVientiane

LHR - VTE

LHRVTE

London Heathrow

Wed 26/11

22:00-15:05

1 stop34h 05m

Vientiane Wattay

Tue 2/12

16:25-18:35

1 stop33h 10m

£549

LondonVientiane

LHR - VTE

LHRVTE

London Heathrow

Tue 25/11

22:00-15:05

1 stop34h 05m

Vientiane Wattay

Mon 1/12

16:25-14:00

2 stops52h 35m

£555

LondonVientiane

LHR - VTE

LHRVTE

London Heathrow

Mon 16/2

22:00-15:05

1 stop34h 05m

Vientiane Wattay

Mon 23/3

16:25-18:35

1 stop33h 10m

£564

LondonVientiane

LHR - VTE

LHRVTE

London Heathrow

Mon 16/2

22:00-15:05

1 stop34h 05m

Vientiane Wattay

Thu 19/3

16:25-18:35

1 stop33h 10m

£564

LondonVientiane

LHR - VTE

LHRVTE

London Heathrow

Wed 18/2

22:00-15:05

1 stop34h 05m

Vientiane Wattay

Tue 24/3

16:25-18:35

1 stop33h 10m

£564

LondonVientiane

LHR - VTE

LHRVTE

London Heathrow

Mon 16/2

22:00-15:05

1 stop34h 05m

Vientiane Wattay

Tue 24/3

16:25-18:35

1 stop33h 10m

£564

LondonVientiane

LHR - VTE

LHRVTE

London Heathrow

Thu 27/11

22:00-15:05

1 stop34h 05m

Vientiane Wattay

Tue 2/12

16:25-18:35

1 stop33h 10m

£564

Flights are sorted by cheapest return flights first.

Deals found on 12/11

Showing 1-10 of 42 results
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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 £241). Flying from London Heathrow Airport to Laos in December is currently the most expensive (average of £931). 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

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 14 November 2025.
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
361 reviews
Check prices

Comfort

7.6

Entertainment

6.9

Boarding

7.8

Overall

7.8

Food

7.3

Crew

8.3

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
361 reviews
Thai Airways
7.8
Good
361 reviews
Check prices

Comfort

7.6

Entertainment

6.9

Boarding

7.8

Overall

7.8

Food

7.3

Crew

8.3

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
361 reviews
Check prices

Comfort

7.6

Entertainment

6.9

Boarding

7.8

Overall

7.8

Food

7.3

Crew

8.3

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
177 reviews
Thai Airways
7.8
Good
361 reviews
Check prices

Comfort

7.6

Entertainment

6.9

Boarding

7.8

Overall

7.8

Food

7.3

Crew

8.3

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

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?

    A quick flight from London Heathrow Airport to Laos can take about 32h 05m. China Southern provides one of the quickest options available for as low as £916. 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 £241). Flying from London Heathrow Airport to Laos in December is currently the most expensive (average of £931). 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

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Alternative routes for Heathrow to Laos

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Heathrow to Laos

Discover the top 3 airlines that operate flights from Heathrow to Laos. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 14 November 2025.
AirlineCheapestAverageFlexibilityOn-time
China EasternCheapest£241Average£665FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
China SouthernCheapest£442Average£541FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Thai AirwaysCheapest£796Average£853FlexibilityNo cancel feeOn-time77%
Search Thai Airways flights

Fly with Cheapflights

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

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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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