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Cheap flights from London Heathrow Airport to Hanoi from C$ 537

LHR — HAN
13 Oct — 20 Oct1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Heathrow to Hanoi

Enter your travel dates to find the best prices.

Cheapest flights from Heathrow to Hanoi

Thu 3/1210:30 p.m. -
1 stop28h 10m
Mon 14/122:55 p.m. -
1 stop36h 35m
Deal found 13/9C$ 798
Mon 30/119:10 p.m. -
1 stop21h 00m
Mon 15/22:55 p.m. -
1 stop36h 35m
Deal found 12/9C$ 917
Wed 4/119:10 p.m. -
1 stop29h 30m
Sun 22/1110:40 a.m. -
1 stop39h 30m
Deal found 12/9C$ 942
Mon 30/119:10 p.m. -
1 stop29h 30m
Sat 20/22:55 p.m. -
1 stop35h 15m
Deal found 12/9C$ 1,011
Fri 4/129:10 p.m. -
1 stop33h 45m
Thu 18/22:10 a.m. -
1 stop24h 00m
Deal found 12/9C$ 1,036
Sat 7/119:10 p.m. -
1 stop29h 30m
Fri 12/36:40 p.m. -
1 stop31h 30m
Deal found 11/9C$ 1,038
Sun 8/119:10 p.m. -
1 stop21h 00m
Tue 17/112:55 p.m. -
1 stop35h 15m
Deal found 10/9C$ 1,039
Sat 26/910:05 p.m. -
1 stop29h 35m
Tue 29/96:25 p.m. -
1 stop31h 35m
Deal found 11/9C$ 1,062
Fri 25/910:05 p.m. -
1 stop21h 05m
Fri 16/103:05 p.m. -
1 stop34h 45m
Deal found 8/9C$ 1,068
Sun 6/129:10 p.m. -
1 stop29h 30m
Sat 19/122:10 a.m. -
1 stop24h 00m
Deal found 9/9C$ 1,099
Sun 6/129:10 p.m. -
1 stop29h 30m
Sat 12/122:10 a.m. -
1 stop24h 00m
Deal found 10/9C$ 1,100
Fri 4/129:10 p.m. -
1 stop21h 00m
Sat 20/22:55 p.m. -
1 stop35h 15m
Deal found 12/9C$ 1,130

Find flight deals from Heathrow to Hanoi

Round-trip from

C$ 798

One-way from

C$ 537

Popular in

December

Cheapest in

November

Average price

C$ 1,275
Shenzhen Airlines
  • Shenzhen Airlines
  • 3/12-14/12
  • 2 total stops
  • 64h 45m total
  • London to Hanoi
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Shenzhen Airlines
  • Shenzhen Airlines
  • 22/11-31/12
  • 1 total stop
  • 29h 30m total
  • London to Hanoi
Search Deals
High demand for flights, 1% potential price rise
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Cheapest flight prices on average. 2% potential price decrease (C$ 38 potential savings vs. average RT price).
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Average for round-trip flights in September 2026
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Cheapflights Fare Finder

 
Use the filters below to find and compare flights from London Heathrow Airport to Hanoi that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LondonHanoi

LHR London Heathrow - HAN Hanoi Noibai

LHRHAN

London Heathrow

Sun 8/11

9:10 p.m.-1:10 a.m.

1 stop21h 00m

Hanoi Noibai

Wed 31/12

12:00 a.m.-5:00 p.m.

Nonstop0h 00m

C$ 789

LondonHanoi

LHR London Heathrow - HAN Hanoi Noibai

LHRHAN

London Heathrow

Sat 26/9

10:05 p.m.-9:40 a.m.

1 stop29h 35m

Hanoi Noibai

Wed 31/12

12:00 a.m.-5:00 p.m.

Nonstop0h 00m

C$ 791

LondonHanoi

LHR London Heathrow - HAN Hanoi Noibai

LHRHAN

London Heathrow

Mon 1/2

7:30 a.m.-10:05 a.m.

2 stops19h 35m

Hanoi Noibai

Wed 31/12

12:00 a.m.-5:00 p.m.

Nonstop0h 00m

C$ 1,050

LondonHanoi

LHR London Heathrow - HAN Hanoi Noibai

LHRHAN

London Heathrow

Tue 9/2

5:40 p.m.-12:10 p.m.

1 stop35h 30m

Hanoi Noibai

Sat 27/2

1:30 p.m.-3:35 p.m.

1 stop33h 05m

C$ 1,280
Quickest round-trip

LondonHanoi

LHR London Heathrow - HAN Hanoi Noibai

LHRHAN

London Heathrow

Wed 6/1

11:00 a.m.-5:20 a.m.

Nonstop11h 20m

Hanoi Noibai

Wed 31/12

12:00 a.m.-5:00 p.m.

Nonstop0h 00m

C$ 1,290

LondonHanoi

LHR London Heathrow - HAN Hanoi Noibai

LHRHAN

London Heathrow

Mon 4/1

11:00 a.m.-5:20 a.m.

Nonstop11h 20m

Hanoi Noibai

Wed 31/12

12:00 a.m.-5:00 p.m.

Nonstop0h 00m

C$ 1,319

LondonHanoi

LHR London Heathrow - HAN Hanoi Noibai

LHRHAN

London Heathrow

Sat 7/11

8:15 p.m.-3:30 p.m.

2 stops36h 15m

Hanoi Noibai

Mon 23/11

10:40 p.m.-6:35 a.m.

2 stops38h 55m

C$ 1,451

LondonHanoi

LHR London Heathrow - HAN Hanoi Noibai

LHRHAN

London Heathrow

Thu 24/12

7:00 a.m.-6:15 p.m.

2 stops28h 15m

Hanoi Noibai

Thu 14/1

7:25 p.m.-3:35 p.m.

2 stops27h 10m

C$ 1,480

LondonHanoi

LHR London Heathrow - HAN Hanoi Noibai

LHRHAN

London Heathrow

Mon 9/11

11:00 a.m.-5:20 a.m.

Nonstop11h 20m

Hanoi Noibai

Sun 6/12

12:45 a.m.-7:15 a.m.

Nonstop13h 30m

C$ 1,508

LondonHanoi

LHR London Heathrow - HAN Hanoi Noibai

LHRHAN

London Heathrow

Fri 26/2

6:00 a.m.-4:55 p.m.

2 stops27h 55m

Hanoi Noibai

Fri 12/3

10:35 a.m.-9:40 p.m.

2 stops18h 05m

C$ 1,524

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/9

Showing 1-10 of 23 resultsSorted by cheapest first
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Best time to book a flight from Heathrow to Hanoi

Have a flexible travel schedule? Discover the best time to fly to Hanoi from Heathrow with our price prediction graph.
Estimated round-trip price

Cheapflights Insights

Everything you need to know about your flight from London Heathrow Airport to Hanoi

How far ahead should I book a flight from London Heathrow Airport to Hanoi?

Booking 33 days in advance of your planned departure date is, on average, the best time to get cheap flights from London Heathrow Airport to Hanoi. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from London Heathrow Airport to Hanoi?

Currently, November is the cheapest month in which you can book a flight from London Heathrow Airport to Hanoi (average of C$ 1,099). Flying from London Heathrow Airport to Hanoi in December is currently the most expensive (average of C$ 1,662). 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.

How much does it cost to fly round-trip from London Heathrow Airport to Hanoi?

Airfare is below average for this route at the moment.

London Heathrow Airport to Hanoi flights typically cost between C$ 1,140 and C$ 1,377 in December.
The cheapest round-trip price found within the last 5 days was C$ 798 on Shenzhen Airlines (3 Dec-14 Dec).

Related info for your journey

  • What airport do you fly into for flights to Hanoi from London Heathrow?

    Most people fly into Hanoi Noibai (HAN) if they book a flight to Hanoi from London Heathrow. On average, Noibai has 0 inbound flights from London Heathrow per day from 0 airlines. Hanoi Noibai is conveniently located just 22.8 km from Hanoi’s city centre.

  • How long is the flight from London Heathrow Airport to Hanoi?

    Airlines like Vietnam Airlines, Oman Air, and Cathay Pacific fly from London Heathrow Airport to Hanoi in about 19h 10m. The time it takes to get you to your destination can typically vary by up to 23h. There are 9231 km between London Heathrow Airport and Hanoi. This flight may include one or multiple stops.

  • Can I find deals for flights from Heathrow to Hanoi that include hotel bookings?

    Yes. In addition to deals on Heathrow to Hanoi flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Heathrow to Hanoi?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to Hanoi.

  • Can I find deals for business class flights from Heathrow to Hanoi?

    Yes. Cheapflights offers flight deals from Heathrow to Hanoi 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 Hanoi?

    Currently, November is the cheapest month in which you can book a flight from London Heathrow Airport to Hanoi (average of C$ 1,099). Flying from London Heathrow Airport to Hanoi in December is currently the most expensive (average of C$ 1,662). 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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Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Hanoi from Heathrow today and book when prices fit your budget.

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