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Cheap flights from London Heathrow Airport to Laos from £420

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 24/4. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — VTE
19 May — 26 May1
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 19 April 2026.

Sun 7/622:10
LHR
-
VTE
2 stops27h 25m
Multiple Airlines
Sun 21/608:05
VTE
-
LHR
2 stops29h 25m
Multiple Airlines
Deal found 14/4£536
Mon 9/1121:00
LHR
-
VTE
1 stop20h 05m
China Eastern
Mon 30/1112:20
VTE
-
LHR
2 stops36h 10m
China Eastern
Deal found 15/4£616
Sun 14/614:40
LHR
-
VTE
2 stops25h 30m
Multiple Airlines
Mon 22/607:20
VTE
-
LHR
2 stops35h 20m
Multiple Airlines
Deal found 16/4£626
Tue 10/1121:00
LHR
-
VTE
1 stop20h 05m
China Eastern
Fri 27/1101:05
VTE
-
LHR
1 stop23h 25m
China Eastern
Deal found 18/4£633
Sun 8/1121:00
LHR
-
VTE
1 stop20h 05m
China Eastern
Fri 27/1110:05
VTE
-
LHR
3 stops38h 25m
China Eastern
Deal found 14/4£637
Sat 7/1121:00
LHR
-
VTE
1 stop20h 05m
China Eastern
Fri 27/1110:05
VTE
-
LHR
2 stops38h 25m
China Eastern
Deal found 16/4£640
Tue 10/1121:00
LHR
-
VTE
1 stop20h 05m
China Eastern
Mon 23/1101:05
VTE
-
LHR
1 stop23h 25m
China Eastern
Deal found 14/4£644
Sun 14/621:45
LHR
-
LPQ
2 stops32h 20m
Etihad Airways
Mon 22/612:45
LPQ
-
LHR
2 stops24h 15m
Etihad Airways
Deal found 16/4£784
Wed 11/1108:50
LHR
-
LPQ
2 stops21h 15m
Multiple Airlines
Wed 25/1113:45
LPQ
-
LHR
2 stops23h 55m
Multiple Airlines
Deal found 18/4£800
Tue 10/1108:50
LHR
-
LPQ
2 stops21h 15m
Etihad Airways
Tue 24/1113:45
LPQ
-
LHR
2 stops23h 55m
Etihad Airways
Deal found 16/4£802
Tue 10/1108:50
LHR
-
LPQ
2 stops21h 15m
Multiple Airlines
Tue 24/1113:45
LPQ
-
LHR
2 stops23h 55m
Multiple Airlines
Deal found 14/4£809
Sun 14/614:45
LHR
-
LPQ
2 stops39h 20m
Etihad Airways
Wed 17/612:45
LPQ
-
LHR
2 stops24h 15m
Etihad Airways
Deal found 18/4£819

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 19 April 2026.

Round-trip from

£536

One-way from

£420

Popular in

December

Cheapest in

September

Average price

£816
7/6-21/6
  • 7/6-21/6
  • 4 total stops
  • 56h 50m total
  • London to Laos
Search Deals
24/4
  • 24/4
  • 3 total stops
  • 51h 35m total
  • London to Laos
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (£96 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£24 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 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 19 April 2026.
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 - VTE

LHRVTE

London Heathrow

Tue 9/6

09:30-22:10

2 stops30h 40m

Vientiane Wattay

Tue 23/6

07:20-08:00

2 stops30h 40m

£739
Fastest return journey

LondonVientiane

LHR - VTE

LHRVTE

London Heathrow

Mon 1/6

09:30-12:40

2 stops21h 10m

Vientiane Wattay

Mon 15/6

13:30-06:30

2 stops23h 00m

£791

LondonVientiane

LHR - VTE

LHRVTE

London Heathrow

Mon 1/6

18:55-10:35

1 stop33h 40m

Vientiane Wattay

Mon 15/6

11:20-17:50

2 stops36h 30m

£816

LondonLuang Prabang

LHR - LPQ

LHRLPQ

London Heathrow

Sun 14/6

14:45-12:05

2 stops39h 20m

Luang Prabang

Wed 17/6

12:45-07:00

2 stops24h 15m

£819

LondonVientiane

LHR - VTE

LHRVTE

London Heathrow

Sun 14/6

14:40-00:25

3 stops27h 45m

Vientiane Wattay

Mon 22/6

15:50-12:40

2 stops26h 50m

£823

LondonVientiane

LHR - VTE

LHRVTE

London Heathrow

Mon 1/6

18:55-19:35

3 stops42h 40m

Vientiane Wattay

Mon 8/6

11:20-17:50

2 stops36h 30m

£832

LondonVientiane

LHR - VTE

LHRVTE

London Heathrow

Sun 7/6

19:50-10:35

1 stop32h 45m

Vientiane Wattay

Sun 21/6

20:20-17:05

1 stop26h 45m

£845

LondonLuang Prabang

LHR - LPQ

LHRLPQ

London Heathrow

Sat 8/8

14:45-12:05

2 stops39h 20m

Luang Prabang

Sat 15/8

12:45-12:45

2 stops54h 00m

£957

LondonLuang Prabang

LHR - LPQ

LHRLPQ

London Heathrow

Sat 8/8

21:35-12:05

1 stop32h 30m

Luang Prabang

Sat 15/8

12:45-19:20

1 stop36h 35m

£1,432

LondonLuang Prabang

LHR - LPQ

LHRLPQ

London Heathrow

Sun 14/6

17:00-12:05

2 stops37h 05m

Luang Prabang

Mon 22/6

12:45-15:35

3 stops32h 50m

£1,517

Flights are sorted by cheapest return flights first.

Deals found on 18/4

Showing 1-10 of 18 resultsSorted by cheapest first
1
2

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, September is the cheapest month in which you can book a flight from London Heathrow Airport to Laos (average of £403). Flying from London Heathrow Airport to Laos in August is currently the most expensive (average of £1,192). 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 19 April 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
7.9
Good
399 reviews
Check prices

Comfort

7.6

Food

7.4

Entertainment

6.9

Crew

8.4

Boarding

7.9

Overall

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
7.9
Good
399 reviews
Thai Airways
7.9
Good
399 reviews
Check prices

Comfort

7.6

Food

7.4

Entertainment

6.9

Crew

8.4

Boarding

7.9

Overall

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
7.4
Good
149 reviews
Thai Airways
7.9
Good
399 reviews
Check prices

Comfort

7.6

Food

7.4

Entertainment

6.9

Crew

8.4

Boarding

7.9

Overall

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
7.3
Good
207 reviews
Thai Airways
7.9
Good
399 reviews
Check prices

Comfort

7.6

Food

7.4

Entertainment

6.9

Crew

8.4

Boarding

7.9

Overall

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 33h 40m. Vietnam Airlines provides one of the quickest options available for as low as £816. 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, September is the cheapest month in which you can book a flight from London Heathrow Airport to Laos (average of £403). Flying from London Heathrow Airport to Laos in August is currently the most expensive (average of £1,192). 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 19 April 2026.
AirlineCheapestAverageFlexibilityOn-time
China SouthernCheapest£430Average£524FlexibilityNo cancel feeOn-time69%
Search China Southern flights
China EasternCheapest£469Average£554FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Thai AirwaysCheapest£817Average£904FlexibilityNo cancel feeOn-time77%
Search Thai Airways flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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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