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.

£710 Cheap Flights from Helena to London in 2026

Voted winner of Europe's Best Travel App 2023

Find the cheapest flights from Helena to London

Return

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

14:35 - 09:40

HLN

LHR

12h 05m

1 stop

09:30 - 21:18

LHR

HLN

42h 48m

2 stops

£711United Airlines

Tue, 15 Sep - Tue, 29 Sep

14:35 - 21:25

HLN

LHR

23h 50m

2 stops

14:05 - 21:18

LHR

HLN

38h 13m

2 stops

£714United Airlines

Tue, 15 Sep - Tue, 29 Sep

06:15 - 09:40

HLN

LHR

20h 25m

1 stop

11:25 - 21:18

LHR

HLN

16h 53m

1 stop

£726United Airlines

Tue, 15 Sep - Tue, 29 Sep

06:15 - 09:40

HLN

LHR

20h 25m

1 stop

11:25 - 21:30

LHR

HLN

17h 05m

1 stop

£809United Airlines

Sun, 9 Aug - Sun, 16 Aug

14:20 - 12:35

HLN

LHR

15h 15m

1 stop

10:00 - 21:30

LHR

HLN

18h 30m

2 stops

£812United Airlines

Sun, 9 Aug - Sun, 16 Aug

14:20 - 14:40

HLN

LHR

17h 20m

2 stops

10:00 - 21:30

LHR

HLN

18h 30m

2 stops

£826United Airlines

Sun, 9 Aug - Sun, 16 Aug

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United Airlines flights from Helena to London

Our best United Airlines deals on Helena to London flight tickets

United Airlines

12 Oct

HLN14:30Helena

14h 55m

1 stop

LHR12:25London Heathrow

27 Oct

LHR07:30London Heathrow

20h 09m

2 stops

HLN21:39Helena

£667

United Airlines

12 Oct

HLN06:25Helena

22h 10m

2 stops

LHR11:35London Heathrow

27 Oct

LHR11:10London Heathrow

40h 29m

2 stops

HLN21:39Helena

£670

United Airlines

12 Oct

HLN14:30Helena

14h 55m

1 stop

LHR12:25London Heathrow

27 Oct

LHR11:35London Heathrow

16h 04m

1 stop

HLN21:39Helena

£681

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

HelenaLondon

HLN - LHR

HLNLHR

Helena

Tue 15/9

14:35-09:40

1 stop12h 05m

London Heathrow

Tue 29/9

09:30-21:18

2 stops42h 48m

£710

HelenaLondon

HLN - LHR

HLNLHR

Helena

Tue 15/9

14:35-21:25

2 stops23h 50m

London Heathrow

Tue 29/9

14:05-21:18

2 stops38h 13m

£714

HelenaLondon

HLN - LHR

HLNLHR

Helena

Tue 15/9

06:15-09:40

1 stop20h 25m

London Heathrow

Tue 29/9

11:25-21:18

1 stop16h 53m

£726

HelenaLondon

HLN - LHR

HLNLHR

Helena

Sun 9/8

06:15-09:40

1 stop20h 25m

London Heathrow

Sun 16/8

11:25-21:30

1 stop17h 05m

£809

Fastest return journey

HelenaLondon

HLN - LHR

HLNLHR

Helena

Sun 9/8

14:20-12:35

1 stop15h 15m

London Heathrow

Sun 16/8

10:00-21:30

2 stops18h 30m

£812

HelenaLondon

HLN - LHR

HLNLHR

Helena

Sun 9/8

14:20-14:40

2 stops17h 20m

London Heathrow

Sun 16/8

10:00-21:30

2 stops18h 30m

£826

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 05m
Direct flights	None

The fastest flight from Helena to London takes 12h 05m

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

Search flight deals

Frequently asked questions about flying from Helena to London

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 05m.
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.

Frequently asked questions about flying from Helena to London

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

Wembley

Gatwick

Milton Keynes

Luton

Southend-on-Sea

Slough

Maidstone

Ipswich

Ilford

Canterbury

Folkestone

Guildford

Hayes

Chichester

Hastings

Bedford

Colchester

Harlow

Chelmsford

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.

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Cheap flights from Helena to London from £710

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from Helena to London departing on 15/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from Helena to London

Cheap return flights

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Big names, great deals

Big names, great deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

United Airlines flights from Helena to London

Our best United Airlines deals on Helena to London flight tickets

momondo Fare Finder

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

When to book flights from Helena to London

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

Direct flights

Frequently asked questions about flying from Helena to London

Frequently asked questions about flying from Helena to London

Travelling to a place near London?

Why use momondo?

An easier way to manage your London trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United Kingdom

Fly into one of these airports located in London

Airports listed have a maximum distance of 35.6 mi from London

Cabin classes currently available on flights to London

List of cabin classes available on flights landing in London. Availability may vary depending on flight origin and airline.

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Popular flights according to clicks in the last 7 days on momondo

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