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.

£624 Cheap Flights from Helena to London in 2025/26

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Find the cheapest flights from Helena to London

Round-trip

One-way

Cheap return flights

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12:50 - 09:50HLN-LHR

14h 00m1 stop

19:15 - 22:38LHR-HLN

34h 23m2 stops

£851Virgin Atlantic

Find Deal

Fri, 3 Apr - Tue, 7 Apr

07:00 - 06:30HLN-LHR

16h 30m2 stops

07:25 - 20:59LHR-HLN

20h 34m2 stops

£852United Airlines

Find Deal

Fri, 3 Apr - Tue, 7 Apr

14:30 - 12:20HLN-LHR

14h 50m1 stop

11:25 - 20:59LHR-HLN

16h 34m1 stop

£874United Airlines

Find Deal

Fri, 3 Apr - Tue, 7 Apr

12:50 - 16:40HLN-LCY

20h 50m2 stops

10:00 - 22:34LCY-HLN

43h 34m2 stops

£1,028Delta

Find Deal

Thu, 16 Apr - Mon, 20 Apr

16:10 - 20:20HLN-LHR

21h 10m2 stops

21:25 - 15:38LHR-HLN

49h 13m2 stops

£2,083Multiple Airlines

Find Deal

Fri, 17 Apr - Sun, 26 Apr

12:50 - 09:50HLN-LHR

14h 00m1 stop

10:55 - 22:34LHR-HLN

18h 39m1 stop

£4,189KLM

Find Deal

Fri, 17 Apr - Sun, 26 Apr

12:50 - 09:50HLN-LHR

14h 00m1 stop

12:25 - 22:34LHR-HLN

17h 09m2 stops

£4,192KLM

Find Deal

Fri, 17 Apr - Sun, 26 Apr

12:50 - 11:40HLN-LCY

15h 50m2 stops

13:45 - 22:34LCY-HLN

15h 49m2 stops

£7,709KLM

Find Deal

Fri, 17 Apr - Sun, 26 Apr

Delta flights from Helena to London

Our best Delta deals on Helena to London flight tickets

Delta

3 Apr

HLN05:35Helena

21h 15m

1 stop

LHR09:50London Heathrow

7 Apr

LHR10:55London Heathrow

18h 43m

1 stop

HLN22:38Helena

£874

Find similar

Delta

16 Apr

HLN12:50Helena

37h 40m

2 stops

LCY09:30London City

20 Apr

LCY09:20London City

44h 14m

2 stops

HLN22:34Helena

£1,028

Find similar

KLM flights from Helena to London

Our best KLM deals on Helena to London flight tickets

KLM

17 Apr

HLN12:50Helena

14h 00m

1 stop

LHR09:50London Heathrow

26 Apr

LHR10:55London Heathrow

18h 39m

1 stop

HLN22:34Helena

£4,189

Find similar

KLM

17 Apr

HLN12:50Helena

14h 00m

1 stop

LHR09:50London Heathrow

26 Apr

LHR12:25London Heathrow

17h 09m

2 stops

HLN22:34Helena

£4,192

Find similar

KLM

17 Apr

HLN12:50Helena

15h 50m

2 stops

LCY11:40London City

26 Apr

LCY13:45London City

15h 49m

2 stops

HLN22:34Helena

£7,709

Find similar

Fly from

Fly to

Route

Depart

Return

Price

HelenaLondon

HLN - LHR

HLNLHR

Helena

Fri 3/4

12:50-09:50

1 stop14h 00m

London Heathrow

Tue 7/4

19:15-22:38

2 stops34h 23m

£851

HelenaLondon

HLN - LHR

HLNLHR

Helena

Fri 3/4

07:00-06:30

2 stops16h 30m

London Heathrow

Tue 7/4

07:25-20:59

2 stops20h 34m

£852

HelenaLondon

HLN - LHR

HLNLHR

Helena

Fri 3/4

14:30-12:20

1 stop14h 50m

London Heathrow

Tue 7/4

11:25-20:59

1 stop16h 34m

£874

HelenaLondon

HLN - LCY

HLNLCY

Helena

Thu 16/4

12:50-16:40

2 stops20h 50m

London City

Mon 20/4

10:00-22:34

2 stops43h 34m

£1,028

HelenaLondon

HLN - LHR

HLNLHR

Helena

Fri 17/4

16:10-20:20

2 stops21h 10m

London Heathrow

Sun 26/4

21:25-15:38

2 stops49h 13m

£2,083

HelenaLondon

HLN - LHR

HLNLHR

Helena

Fri 17/4

12:50-09:50

1 stop14h 00m

London Heathrow

Sun 26/4

10:55-22:34

1 stop18h 39m

£4,189

HelenaLondon

HLN - LHR

HLNLHR

Helena

Fri 17/4

12:50-09:50

1 stop14h 00m

London Heathrow

Sun 26/4

12:25-22:34

2 stops17h 09m

£4,192

HelenaLondon

HLN - LCY

HLNLCY

Helena

Fri 17/4

12:50-11:40

2 stops15h 50m

London City

Sun 26/4

13:45-22:34

2 stops15h 49m

£7,709

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 14h 00m.
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

Dover

Colchester

Chelmsford

Hayes

Worthing

Ramsgate

Dartford

Bedford

Winchester

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.