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Cheap flights from London Heathrow Airport to Laos from £336

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 2/3. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — VTE
27 Feb — 6 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap 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 28 January 2026.

Wed 4/322:00
LHR
-
VTE
1 stop29h 30m
China Southern
Wed 18/316:25
VTE
-
LHR
1 stop33h 10m
China Southern
Deal found 27/1£513
Thu 4/622:10
LHR
-
VTE
1 stop34h 35m
China Southern
Thu 25/615:50
VTE
-
LHR
1 stop33h 10m
China Southern
Deal found 27/1£533
Wed 18/222:00
LHR
-
VTE
1 stop34h 05m
China Southern
Wed 25/216:25
VTE
-
LHR
1 stop33h 10m
China Southern
Deal found 26/1£534
Tue 17/222:00
LHR
-
VTE
1 stop34h 05m
China Southern
Tue 24/216:25
VTE
-
LHR
1 stop33h 10m
China Southern
Deal found 27/1£558
Fri 13/322:00
LHR
-
VTE
1 stop29h 30m
China Southern
Fri 20/311:30
VTE
-
LHR
1 stop38h 05m
China Southern
Deal found 27/1£560
Wed 18/217:15
LHR
-
VTE
2 stops62h 50m
China Southern
Tue 24/216:25
VTE
-
LHR
1 stop33h 10m
China Southern
Deal found 27/1£564
Fri 13/321:00
LHR
-
LPQ
2 stops59h 05m
China Eastern
Fri 20/316:05
LPQ
-
LHR
2 stops32h 25m
China Eastern
Deal found 27/1£696
Fri 13/317:40
LHR
-
LPQ
2 stops35h 40m
Multiple Airlines
Fri 20/307:40
LPQ
-
LHR
1 stop30h 00m
Multiple Airlines
Deal found 27/1£872
Sun 8/315:50
LHR
-
LPQ
2 stops38h 15m
Emirates
Thu 12/313:45
LPQ
-
LHR
2 stops37h 15m
Emirates
Deal found 25/1£902
Thu 12/309:10
LHR
-
LPQ
2 stops20h 55m
Emirates
Thu 19/313:45
LPQ
-
LHR
2 stops28h 55m
Emirates
Deal found 26/1£981
Sun 8/311:00
LHR
-
LPQ
1 stop20h 00m
Vietnam Airlines
Thu 12/319:15
LPQ
-
LHR
2 stops25h 30m
Vietnam Airlines
Deal found 26/1£999

Find flight deals from Heathrow to Laos

Keep the following information in mind while searching for Heathrow to Laos flight deals. Data was last updated 28 January 2026.

Round-trip from

£513

One-way from

£336

Popular in

December

Cheapest in

September

Average price

£877
China Southern
  • China Southern
  • 4/3-18/3
  • 2 total stops
  • 62h 40m total
  • London to Laos
Search Deals
China Southern
  • China Southern
  • 2/3
  • 1 total stop
  • 34h 05m total
  • London to Laos
Search Deals
Highest demand for flights based on searches. 18% potential increase in price (£128 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£24 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 2026
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 28 January 2026.
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 4/3

22:00-10:30

1 stop29h 30m

Vientiane Wattay

Wed 18/3

16:25-18:35

1 stop33h 10m

£513

LondonVientiane

LHR - VTE

LHRVTE

London Heathrow

Wed 18/2

22:00-15:05

1 stop34h 05m

Vientiane Wattay

Wed 25/2

16:25-18:35

1 stop33h 10m

£541

LondonVientiane

LHR - VTE

LHRVTE

London Heathrow

Wed 18/2

17:15-15:05

2 stops62h 50m

Vientiane Wattay

Tue 24/2

16:25-18:35

1 stop33h 10m

£564

LondonVientiane

LHR - VTE

LHRVTE

London Heathrow

Fri 13/3

22:00-10:30

1 stop29h 30m

Vientiane Wattay

Fri 20/3

16:25-14:00

2 stops52h 35m

£576

LondonVientiane

LHR - VTE

LHRVTE

London Heathrow

Wed 13/5

21:20-14:50

3 stops59h 30m

Vientiane Wattay

Sun 17/5

10:35-18:40

3 stops38h 05m

£585

LondonVientiane

LHR - VTE

LHRVTE

London Heathrow

Wed 13/5

21:00-14:45

2 stops59h 45m

Vientiane Wattay

Sun 17/5

15:50-19:00

1 stop33h 10m

£607

LondonVientiane

LHR - VTE

LHRVTE

London Heathrow

Tue 17/2

21:00-00:05

1 stop20h 05m

Vientiane Wattay

Tue 24/2

01:05-17:30

1 stop23h 25m

£612

LondonVientiane

LHR - VTE

LHRVTE

London Heathrow

Wed 4/3

22:00-10:30

1 stop29h 30m

Vientiane Wattay

Wed 18/3

18:35-17:35

3 stops54h 00m

£614

LondonLuang Prabang

LHR - LPQ

LHRLPQ

London Heathrow

Fri 13/3

21:00-15:05

3 stops59h 05m

Luang Prabang

Fri 20/3

16:05-17:30

2 stops32h 25m

£696

LondonLuang Prabang

LHR - LPQ

LHRLPQ

London Heathrow

Sun 8/3

15:50-13:05

2 stops38h 15m

Luang Prabang

Thu 12/3

13:45-20:00

2 stops37h 15m

£902

Flights are sorted by cheapest return flights first.

Deals found on 27/1

Showing 1-10 of 25 results
1
2
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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 £231). Flying from London Heathrow Airport to Laos in December is currently the most expensive (average of £902). 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 28 January 2026.
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
380 reviews
Check prices

Entertainment

6.8

Crew

8.3

Food

7.3

Overall

7.8

Comfort

7.6

Boarding

7.9

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
7.8
Good
380 reviews
Thai Airways
7.8
Good
380 reviews
Check prices

Entertainment

6.8

Crew

8.3

Food

7.3

Overall

7.8

Comfort

7.6

Boarding

7.9

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
China Southern
7.3
Good
136 reviews
Thai Airways
7.8
Good
380 reviews
Check prices

Entertainment

6.8

Crew

8.3

Food

7.3

Overall

7.8

Comfort

7.6

Boarding

7.9

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
China Eastern
7.2
Good
191 reviews
Thai Airways
7.8
Good
380 reviews
Check prices

Entertainment

6.8

Crew

8.3

Food

7.3

Overall

7.8

Comfort

7.6

Boarding

7.9

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

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 29h 30m. China Southern provides one of the quickest options available for as low as £513. 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 £231). Flying from London Heathrow Airport to Laos in December is currently the most expensive (average of £902). 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 28 January 2026.
AirlineCheapestAverageFlexibilityOn-time
China SouthernCheapest£423Average£514FlexibilityNo cancel feeOn-time69%
Search China Southern flights
China EasternCheapest£560Average£657FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Thai AirwaysCheapest£767Average£842FlexibilityNo 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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