How do I get Price Alerts for flights from Helena to London?

Price Alerts will notify you by email when the price for flights to London from Helena decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.

How can I save money on flights from Helena to London with momondo?

By using tools like our “Price Calendar”, you can see the best days for return flights on your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

How does momondo find its flight prices?

We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

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.

£470 Cheap Flights from Helena to London in 2025/26

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Find the cheapest flights from Helena to London

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14:27 - 09:40

HLN

LHR

12h 13m1 stop

06:35 - 21:26

LHR

HLN

21h 51m2 stops

£470United Airlines

Fri, 23 Jan - Tue, 27 Jan

06:15 - 09:40

HLN

LHR

20h 25m1 stop

06:35 - 13:41

LHR

HLN

38h 06m2 stops

£470United Airlines

Fri, 23 Jan - Tue, 27 Jan

06:15 - 10:50

HLN

LHR

21h 35m2 stops

06:35 - 21:26

LHR

HLN

21h 51m2 stops

£473United Airlines

Fri, 23 Jan - Tue, 27 Jan

14:27 - 09:40

HLN

LHR

12h 13m1 stop

11:35 - 21:26

LHR

HLN

16h 51m1 stop

£491United Airlines

Fri, 23 Jan - Tue, 27 Jan

17:20 - 20:40

HLN

LHR

20h 20m2 stops

12:05 - 16:05

LHR

HLN

35h 00m2 stops

£888United Airlines

Mon, 15 Jun - Fri, 26 Jun

17:20 - 20:40

HLN

LHR

20h 20m2 stops

14:50 - 16:05

LHR

HLN

32h 15m1 stop

£906United Airlines

Mon, 15 Jun - Fri, 26 Jun

07:00 - 12:20

HLN

LHR

22h 20m1 stop

14:50 - 16:05

LHR

HLN

32h 15m1 stop

£1,077United Airlines

Mon, 15 Jun - Fri, 26 Jun

12:50 - 16:40

HLN

LCY

20h 50m2 stops

10:00 - 22:34

LCY

HLN

19h 34m2 stops

£1,300Delta

Mon, 15 Jun - Fri, 26 Jun

United Airlines flights from Helena to London

Our best United Airlines deals on Helena to London flight tickets

United Airlines

23 Jan

HLN14:27Helena

12h 13m

1 stop

LHR09:40London Heathrow

27 Jan

LHR06:35London Heathrow

21h 51m

2 stops

HLN21:26Helena

£470

Find similar

United Airlines

23 Jan

HLN06:15Helena

20h 25m

1 stop

LHR09:40London Heathrow

27 Jan

LHR06:35London Heathrow

21h 51m

2 stops

HLN21:26Helena

£470

Find similar

United Airlines

23 Jan

HLN06:15Helena

21h 35m

2 stops

LHR10:50London Heathrow

27 Jan

LHR06:35London Heathrow

21h 51m

2 stops

HLN21:26Helena

£473

Find similar

Fly from

Fly to

Route

Depart

Return

Price

HelenaLondon

HLN - LHR

HLNLHR

Helena

Fri 23/1

14:27-09:40

1 stop12h 13m

London Heathrow

Tue 27/1

06:35-21:26

2 stops21h 51m

£470

HelenaLondon

HLN - LHR

HLNLHR

Helena

Fri 23/1

06:15-09:40

1 stop20h 25m

London Heathrow

Tue 27/1

06:35-13:41

2 stops38h 06m

£470

HelenaLondon

HLN - LHR

HLNLHR

Helena

Fri 23/1

06:15-10:50

2 stops21h 35m

London Heathrow

Tue 27/1

06:35-21:26

2 stops21h 51m

£473

HelenaLondon

HLN - LHR

HLNLHR

Helena

Fri 23/1

14:27-09:40

1 stop12h 13m

London Heathrow

Tue 27/1

11:35-21:26

1 stop16h 51m

£491

HelenaLondon

HLN - LHR

HLNLHR

Helena

Mon 15/6

17:20-20:40

2 stops20h 20m

London Heathrow

Fri 26/6

12:05-16:05

2 stops35h 00m

£888

HelenaLondon

HLN - LHR

HLNLHR

Helena

Mon 15/6

17:20-20:40

2 stops20h 20m

London Heathrow

Fri 26/6

14:50-16:05

1 stop32h 15m

£906

HelenaLondon

HLN - LHR

HLNLHR

Helena

Mon 15/6

07:00-12:20

1 stop22h 20m

London Heathrow

Fri 26/6

14:50-16:05

1 stop32h 15m

£1,077

HelenaLondon

HLN - LCY

HLNLCY

Helena

Mon 15/6

12:50-16:40

2 stops20h 50m

London City

Fri 26/6

10:00-22:34

2 stops19h 34m

£1,300

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

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.

Search flight deals

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.

How do I get Price Alerts for flights from Helena to London?
Price Alerts will notify you by email when the price for flights to London from Helena decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.
How can I save money on flights from Helena to London with momondo?
By using tools like our “Price Calendar”, you can see the best days for return flights on your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.
How does momondo find its flight prices?
We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

Eastbourne

Milton Keynes

Luton

Gatwick

Maidstone

Slough

Southend-on-Sea

Canterbury

Ipswich

Ilford

Guildford

Hayes

Chelmsford

Dover

Worthing

Colchester

Bedford

Ramsgate

Hounslow

Stansted

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.