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.

£477 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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06:15 - 09:40HLN-LHR

21h 25m1 stop

07:30 - 20:59LHR-HLN

20h 29m2 stops

£598United Airlines

Find Deal

Fri, 27 Mar - Tue, 31 Mar

06:15 - 11:20HLN-LHR

23h 05m2 stops

07:30 - 20:59LHR-HLN

20h 29m2 stops

£603United Airlines

Find Deal

Fri, 27 Mar - Tue, 31 Mar

14:30 - 09:40HLN-LHR

13h 10m1 stop

14:50 - 20:59LHR-HLN

13h 09m1 stop

£678United Airlines

Find Deal

Fri, 27 Mar - Tue, 31 Mar

06:15 - 07:30HLN-LHR

19h 15m2 stops

11:25 - 20:59LHR-HLN

16h 34m1 stop

£719United Airlines

Find Deal

Fri, 27 Mar - Tue, 31 Mar

14:30 - 09:40HLN-LHR

13h 10m1 stop

11:25 - 20:59LHR-HLN

16h 34m1 stop

£782United Airlines

Find Deal

Fri, 27 Mar - Tue, 31 Mar

06:30 - 09:40HLN-LHR

20h 10m1 stop

16:20 - 13:45LHR-HLN

28h 25m2 stops

£877United Airlines

Find Deal

Sat, 13 Dec - Sat, 20 Dec

05:45 - 09:30HLN-LCY

44h 45m2 stops

09:20 - 22:34LCY-HLN

44h 14m2 stops

£968Delta

Find Deal

Thu, 16 Apr - Mon, 20 Apr

05:45 - 08:10HLN-LCY

43h 25m2 stops

09:20 - 22:34LCY-HLN

44h 14m2 stops

£987Delta

Find Deal

Thu, 16 Apr - Mon, 20 Apr

14:30 - 09:40HLN-LHR

12h 10m1 stop

11:35 - 21:31LHR-HLN

16h 56m1 stop

£5,160United Airlines

Find Deal

Sat, 13 Dec - Sat, 20 Dec

United Airlines flights from Helena to London

Our best United Airlines deals on Helena to London flight tickets

United Airlines

27 Mar

HLN06:15Helena

21h 25m

1 stop

LHR09:40London Heathrow

31 Mar

LHR07:30London Heathrow

20h 29m

2 stops

HLN20:59Helena

£598

Find similar

United Airlines

27 Mar

HLN06:15Helena

20h 15m

2 stops

LHR08:30London Heathrow

31 Mar

LHR07:30London Heathrow

20h 29m

2 stops

HLN20:59Helena

£603

Find similar

United Airlines

27 Mar

HLN14:30Helena

13h 10m

1 stop

LHR09:40London Heathrow

31 Mar

LHR14:50London Heathrow

13h 09m

1 stop

HLN20:59Helena

£678

Find similar

Delta flights from Helena to London

Our best Delta deals on Helena to London flight tickets

Delta

16 Apr

HLN05:45Helena

44h 45m

2 stops

LCY09:30London City

20 Apr

LCY09:20London City

44h 14m

2 stops

HLN22:34Helena

£968

Find similar

Delta

16 Apr

HLN05:45Helena

43h 25m

2 stops

LCY08:10London City

20 Apr

LCY09:20London City

44h 14m

2 stops

HLN22:34Helena

£987

Find similar

Fly from

Fly to

Route

Depart

Return

Price

HelenaLondon

HLN - LHR

HLNLHR

Helena

Fri 27/3

06:15-09:40

1 stop21h 25m

London Heathrow

Tue 31/3

07:30-20:59

2 stops20h 29m

£598

HelenaLondon

HLN - LHR

HLNLHR

Helena

Fri 27/3

06:15-11:20

2 stops23h 05m

London Heathrow

Tue 31/3

07:30-20:59

2 stops20h 29m

£603

HelenaLondon

HLN - LHR

HLNLHR

Helena

Fri 27/3

14:30-09:40

1 stop13h 10m

London Heathrow

Tue 31/3

14:50-20:59

1 stop13h 09m

£678

HelenaLondon

HLN - LHR

HLNLHR

Helena

Fri 27/3

06:15-07:30

2 stops19h 15m

London Heathrow

Tue 31/3

11:25-20:59

1 stop16h 34m

£719

HelenaLondon

HLN - LHR

HLNLHR

Helena

Fri 27/3

14:30-09:40

1 stop13h 10m

London Heathrow

Tue 31/3

11:25-20:59

1 stop16h 34m

£782

HelenaLondon

HLN - LHR

HLNLHR

Helena

Sat 13/12

06:30-09:40

1 stop20h 10m

London Heathrow

Sat 20/12

16:20-13:45

2 stops28h 25m

£877

HelenaLondon

HLN - LCY

HLNLCY

Helena

Thu 16/4

05:45-09:30

2 stops44h 45m

London City

Mon 20/4

09:20-22:34

2 stops44h 14m

£968

HelenaLondon

HLN - LCY

HLNLCY

Helena

Thu 16/4

05:45-08:10

2 stops43h 25m

London City

Mon 20/4

09:20-22:34

2 stops44h 14m

£987

HelenaLondon

HLN - LHR

HLNLHR

Helena

Sat 13/12

14:30-09:40

1 stop12h 10m

London Heathrow

Sat 20/12

11:35-21:31

1 stop16h 56m

£5,160

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

Direct flights	None

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 10m.
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

Canterbury

Southend-on-Sea

Ipswich

Ilford

Guildford

Colchester

Dover

Hayes

Chelmsford

Worthing

Dartford

Ramsgate

Bedford

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.