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Cheap flights from London Heathrow Airport to Laos from £428

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 18/9. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — VTE
20 Jul — 27 Jul1
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 20 June 2026.

Sat 26/922:10
LHR
-
VTE
1 stop30h 20m
China Southern
Sat 10/1015:50
VTE
-
LHR
1 stop33h 30m
China Southern
Deal found 19/6£643
Mon 23/1121:00
LHR
-
VTE
1 stop20h 05m
China Eastern
Mon 7/1210:05
VTE
-
LHR
3 stops38h 25m
China Eastern
Deal found 19/6£665
Fri 18/921:20
LHR
-
VTE
2 stops29h 10m
China Eastern
Tue 10/1101:05
VTE
-
LHR
1 stop23h 25m
China Eastern
Deal found 18/6£676
Mon 9/1121:00
LHR
-
VTE
1 stop20h 05m
China Eastern
Sun 29/1101:05
VTE
-
LHR
1 stop23h 25m
China Eastern
Deal found 15/6£679
Wed 4/1121:00
LHR
-
VTE
1 stop20h 05m
China Eastern
Wed 11/1101:05
VTE
-
LHR
1 stop23h 25m
China Eastern
Deal found 17/6£685
Fri 18/922:10
LHR
-
VTE
1 stop30h 20m
China Southern
Wed 11/1111:30
VTE
-
LHR
1 stop38h 05m
China Southern
Deal found 18/6£690
Thu 12/1121:00
LHR
-
VTE
1 stop20h 05m
China Eastern
Sun 15/1115:50
VTE
-
LHR
2 stops32h 40m
China Eastern
Deal found 17/6£700
Fri 18/908:25
LHR
-
LPQ
2 stops21h 40m
Multiple Airlines
Wed 11/1113:45
LPQ
-
LHR
2 stops23h 10m
Multiple Airlines
Deal found 18/6£821
Sun 8/1113:55
LHR
-
LPQ
2 stops40h 10m
Etihad Airways
Thu 12/1113:45
LPQ
-
LHR
2 stops29h 20m
Etihad Airways
Deal found 18/6£856
Sun 8/1111:00
LHR
-
LPQ
1 stop20h 00m
Vietnam Airlines
Thu 12/1119:15
LPQ
-
LHR
1 stop19h 00m
Vietnam Airlines
Deal found 15/6£1,040
Mon 3/820:50
LHR
-
LPQ
2 stops33h 15m
Multiple Airlines
Mon 10/812:45
LPQ
-
LHR
2 stops36h 25m
Multiple Airlines
Deal found 19/6£1,045

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 20 June 2026.

Round-trip from

£643

One-way from

£428

Popular in

June

Cheapest in

February

Average price

£1,157
China Southern
  • China Southern
  • 26/9-10/10
  • 2 total stops
  • 63h 50m total
  • London to Laos
Search Deals
18/9
  • 18/9
  • 2 total stops
  • 28h 15m total
  • London to Laos
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (£55 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£19 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 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 20 June 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

Mon 23/11

21:00-14:50

2 stops34h 50m

Vientiane Wattay

Mon 7/12

12:20-17:30

3 stops36h 10m

£700

LondonVientiane

LHR - VTE

LHRVTE

London Heathrow

Thu 12/11

21:00-00:05

1 stop20h 05m

Vientiane Wattay

Sun 15/11

12:20-17:30

2 stops36h 10m

£703

LondonVientiane

LHR - VTE

LHRVTE

London Heathrow

Fri 13/11

21:00-00:05

1 stop20h 05m

Vientiane Wattay

Tue 17/11

18:00-17:30

3 stops54h 30m

£745

LondonVientiane

LHR - VTE

LHRVTE

London Heathrow

Tue 7/7

22:10-10:30

1 stop30h 20m

Vientiane Wattay

Tue 14/7

15:50-19:20

1 stop33h 30m

£797

LondonLuang Prabang

LHR - LPQ

LHRLPQ

London Heathrow

Sun 8/11

13:55-13:05

2 stops40h 10m

Luang Prabang

Thu 12/11

13:45-12:05

2 stops29h 20m

£856

LondonLuang Prabang

LHR - LPQ

LHRLPQ

London Heathrow

Fri 18/9

09:30-14:30

2 stops23h 00m

Luang Prabang

Wed 11/11

07:40-09:20

3 stops32h 40m

£887

LondonVientiane

LHR - VTE

LHRVTE

London Heathrow

Mon 9/11

18:55-22:05

2 stops20h 10m

Vientiane Wattay

Mon 30/11

20:30-12:15

2 stops22h 45m

£904
Fastest return journey

LondonLuang Prabang

LHR - LPQ

LHRLPQ

London Heathrow

Sun 8/11

11:00-14:00

1 stop20h 00m

Luang Prabang

Thu 12/11

19:15-07:15

1 stop19h 00m

£1,040
Cheapest one-way

LondonVientiane

LHR - VTE

LHRVTE

London Heathrow

Fri 18/9

22:05-18:25

2 stops38h 20m

£433

LondonVientiane

LHR - VTE

LHRVTE

London Heathrow

Mon 24/8

08:05-19:45

2 stops29h 40m

£455

Flights are sorted by cheapest return flights first.

Deals found on 18/6

Showing 1-10 of 21 resultsSorted by cheapest first
1
2
3

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 £412). Flying from London Heathrow Airport to Laos in August is currently the most expensive (average of £1,439). 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 20 June 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
407 reviews
Check prices

Entertainment

6.9

Overall

7.9

Boarding

8.0

Comfort

7.7

Crew

8.4

Food

7.4

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
407 reviews
Thai Airways
7.9
Good
407 reviews
Check prices

Entertainment

6.9

Overall

7.9

Boarding

8.0

Comfort

7.7

Crew

8.4

Food

7.4

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
7.5
Good
154 reviews
Thai Airways
7.9
Good
407 reviews
Check prices

Entertainment

6.9

Overall

7.9

Boarding

8.0

Comfort

7.7

Crew

8.4

Food

7.4

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
224 reviews
Thai Airways
7.9
Good
407 reviews
Check prices

Entertainment

6.9

Overall

7.9

Boarding

8.0

Comfort

7.7

Crew

8.4

Food

7.4

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 34h 50m. China Eastern provides one of the quickest options available for as low as £700. 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 £412). Flying from London Heathrow Airport to Laos in August is currently the most expensive (average of £1,439). 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 20 June 2026.
AirlineCheapestAverageFlexibilityOn-time
China SouthernCheapest£466Average£545FlexibilityNo cancel feeOn-time69%
Search China Southern flights
China EasternCheapest£480Average£566FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Thai AirwaysCheapest£872Average£943FlexibilityNo 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?

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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