When did momondo last update prices for flights from Helena Airport to London?

Prices for flights from Helena Airport to London are refreshed on a daily basis.

How old do you have to be to fly from Helena Airport to London?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Helena Airport to London.

What documentation or ID do you need to fly to London?

The required travel and health documents for your London trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at London. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

£441 Cheap Flights from Helena to London in 2026

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Find the cheapest flights from Helena to London

Round-trip

One-way

Cheap return flights

Enter your travel dates to find the best prices.

06:15 - 05:55

HLN

LHR

16h 40m

2 stops

09:30 - 21:25

LHR

HLN

18h 55m

2 stops

£478United Airlines

Sat, 28 Feb - Sat, 7 Mar

14:30 - 07:10

HLN

LHR

34h 40m

2 stops

09:30 - 13:38

LHR

HLN

34h 08m

2 stops

£480United Airlines

Mon, 9 Mar - Sun, 22 Mar

14:25 - 09:40

HLN

LHR

12h 15m

1 stop

11:35 - 21:25

LHR

HLN

16h 50m

1 stop

£491United Airlines

Sat, 28 Feb - Sat, 7 Mar

06:15 - 09:40

HLN

LHR

20h 25m

1 stop

11:10 - 13:41

LHR

HLN

57h 31m

2 stops

£515United Airlines

Fri, 30 Jan - Tue, 3 Feb

06:15 - 09:40

HLN

LHR

20h 25m

1 stop

11:10 - 21:26

LHR

HLN

41h 16m

2 stops

£515United Airlines

Fri, 30 Jan - Tue, 3 Feb

14:27 - 21:20

HLN

LHR

23h 53m

2 stops

16:40 - 13:41

LHR

HLN

52h 01m

2 stops

£518United Airlines

Fri, 30 Jan - Tue, 3 Feb

06:15 - 09:40

HLN

LHR

20h 25m

1 stop

11:35 - 13:41

LHR

HLN

33h 06m

1 stop

£528United Airlines

Fri, 30 Jan - Tue, 3 Feb

14:27 - 09:40

HLN

LHR

12h 13m

1 stop

11:35 - 21:26

LHR

HLN

16h 51m

1 stop

£529United Airlines

Fri, 30 Jan - Tue, 3 Feb

12:59 - 10:00

HLN

LHR

15h 01m

1 stop

10:45 - 22:30

LHR

HLN

17h 45m

1 stop

£873Multiple Airlines

Mon, 9 Mar - Sun, 22 Mar

United Airlines flights from Helena to London

Our best United Airlines deals on Helena to London flight tickets

United Airlines

28 Feb

HLN14:25Helena

12h 15m

1 stop

LHR09:40London Heathrow

7 Mar

LHR09:30London Heathrow

18h 55m

2 stops

HLN21:25Helena

£478

United Airlines

9 Mar

HLN14:30Helena

34h 40m

2 stops

LHR07:10London Heathrow

22 Mar

LHR09:30London Heathrow

34h 08m

2 stops

HLN13:38Helena

£480

United Airlines

28 Feb

HLN14:25Helena

12h 15m

1 stop

LHR09:40London Heathrow

7 Mar

LHR11:35London Heathrow

16h 50m

1 stop

HLN21:25Helena

£491

Fly from

Fly to

Route

Depart

Return

Price

HelenaLondon

HLN - LHR

HLNLHR

Helena

Sat 28/2

06:15-05:55

2 stops16h 40m

London Heathrow

Sat 7/3

09:30-21:25

2 stops18h 55m

£478

HelenaLondon

HLN - LHR

HLNLHR

Helena

Mon 9/3

14:30-07:10

2 stops34h 40m

London Heathrow

Sun 22/3

09:30-13:38

2 stops34h 08m

£480

HelenaLondon

HLN - LHR

HLNLHR

Helena

Sat 28/2

14:25-09:40

1 stop12h 15m

London Heathrow

Sat 7/3

11:35-21:25

1 stop16h 50m

£491

HelenaLondon

HLN - LHR

HLNLHR

Helena

Fri 30/1

06:15-09:40

1 stop20h 25m

London Heathrow

Tue 3/2

11:10-13:41

2 stops57h 31m

£515

HelenaLondon

HLN - LHR

HLNLHR

Helena

Fri 30/1

06:15-09:40

1 stop20h 25m

London Heathrow

Tue 3/2

11:10-21:26

2 stops41h 16m

£515

HelenaLondon

HLN - LHR

HLNLHR

Helena

Fri 30/1

14:27-21:20

2 stops23h 53m

London Heathrow

Tue 3/2

16:40-13:41

2 stops52h 01m

£518

HelenaLondon

HLN - LHR

HLNLHR

Helena

Fri 30/1

06:15-09:40

1 stop20h 25m

London Heathrow

Tue 3/2

11:35-13:41

1 stop33h 06m

£528

HelenaLondon

HLN - LHR

HLNLHR

Helena

Fri 30/1

14:27-09:40

1 stop12h 13m

London Heathrow

Tue 3/2

11:35-21:26

1 stop16h 51m

£529

HelenaLondon

HLN - LHR

HLNLHR

Helena

Mon 9/3

12:59-10:00

1 stop15h 01m

London Heathrow

Sun 22/3

10:45-22:30

1 stop17h 45m

£873

HelenaLondon

HLN - LHR

HLNLHR

Helena

Fri 15/5

12:50-14:35

2 stops18h 45m

£441

Flights are sorted by cheapest return flights first.

Showing 1-10 of 13 resultsSorted by cheapest first

How to get the cheapest flight ticket from Helena to London

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Helena to London?

Delta and KLM are the most popular carriers operating from Helena to London

When to book flights from Helena to London

Are you open to changing your travel dates? Check out the ideal times to fly from Helena to London according to our flight data. Find out which month and days have the cheapest flights.

Estimated return price

Cheap Helena to London (HLN to LON) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Helena to London

Fastest flight time	12h 13m
Direct flights	None

The fastest flight from Helena to London takes 12h 13m

There are no direct flights from Helena to London. There are no popular flight routes from Helena to London.

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How far is Helena to London by plane?
There are 4547.6 mi between Helena and London. A reasonable flight in good conditions will take 12h 13m.
When did momondo last update prices for flights from Helena Airport to London?
Prices for flights from Helena Airport to London are refreshed on a daily basis.
How old do you have to be to fly from Helena Airport to London?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Helena Airport to London.
What documentation or ID do you need to fly to London?
The required travel and health documents for your London trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at London. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

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Hounslow

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Ramsgate

Colchester

Folkestone

Why use momondo?

Why should I use momondo to find a flight deal from Helena to London?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Helena to London . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Helena to London with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Helena to London flights to just show those with flexible booking policies.

How can momondo help me find flights from Helena to London?

Once you have performed a search for Helena to London flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Helena to London right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Helena to London flights. All you need is a valid email address and we will do the rest; it is that quick and easy.