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.

£283 Cheap Flights from Helena to London in 2026

1 adult

0 bags

Voted winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Helena to London

Round-trip

One-way

Cheap return flights

Enter your travel dates to find the best prices.

14:29 - 08:35

HLN

LHR

35h 06m

2 stops

09:30 - 21:16

LHR

HLN

42h 46m

2 stops

£696United Airlines

Mon, 31 Aug - Sun, 13 Sep

12:50 - 12:10

HLN

LHR

16h 20m

2 stops

11:20 - 22:34

LHR

HLN

18h 14m

2 stops

£709Virgin Atlantic

Wed, 16 Sep - Sun, 20 Sep

14:29 - 08:35

HLN

LHR

35h 06m

2 stops

14:50 - 21:16

LHR

HLN

13h 26m

1 stop

£711United Airlines

Mon, 31 Aug - Sun, 13 Sep

06:15 - 09:40

HLN

LHR

20h 25m

1 stop

06:55 - 13:32

LHR

HLN

37h 37m

2 stops

£730United Airlines

Sun, 30 Aug - Mon, 14 Sep

06:15 - 09:40

HLN

LHR

20h 25m

1 stop

09:30 - 21:16

LHR

HLN

42h 46m

2 stops

£731United Airlines

Sun, 30 Aug - Sun, 13 Sep

06:15 - 11:55

HLN

LHR

22h 40m

2 stops

06:55 - 13:32

LHR

HLN

37h 37m

2 stops

£733United Airlines

Sun, 30 Aug - Mon, 14 Sep

06:15 - 11:55

HLN

LHR

22h 40m

2 stops

14:05 - 21:16

LHR

HLN

38h 11m

2 stops

£735United Airlines

Sun, 30 Aug - Sun, 13 Sep

05:45 - 10:00

HLN

LHR

21h 15m

1 stop

10:55 - 22:34

LHR

HLN

18h 39m

1 stop

£742Scandinavian Airlines

Wed, 16 Sep - Sun, 20 Sep

13:03 - 16:40

HLN

LCY

20h 37m

2 stops

09:20 - 22:33

LCY

HLN

20h 13m

2 stops

£1,228Delta

Wed, 27 May - Wed, 3 Jun

12:50 - 16:40

HLN

LCY

20h 50m

2 stops

13:45 - 22:34

LCY

HLN

15h 49m

2 stops

£1,345Delta

Wed, 16 Sep - Sun, 20 Sep

United Airlines flights from Helena to London

Our best United Airlines deals on Helena to London flight tickets

United Airlines

31 Aug

HLN14:29Helena

35h 06m

2 stops

LHR08:35London Heathrow

13 Sept

LHR09:30London Heathrow

42h 46m

2 stops

HLN21:16Helena

£696

United Airlines

31 Aug

HLN14:29Helena

35h 06m

2 stops

LHR08:35London Heathrow

13 Sept

LHR14:50London Heathrow

13h 26m

1 stop

HLN21:16Helena

£711

United Airlines

30 Aug

HLN06:15Helena

20h 25m

1 stop

LHR09:40London Heathrow

14 Sept

LHR06:55London Heathrow

37h 37m

2 stops

HLN13:32Helena

£730

Delta flights from Helena to London

Our best Delta deals on Helena to London flight tickets

Delta

27 May

HLN13:03Helena

20h 37m

2 stops

LCY16:40London City

3 Jun

LCY09:20London City

20h 13m

2 stops

HLN22:33Helena

£1,228

Delta

16 Sept

HLN12:50Helena

20h 50m

2 stops

LCY16:40London City

20 Sept

LCY13:45London City

15h 49m

2 stops

HLN22:34Helena

£1,345

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

HelenaLondon

HLN - LHR

HLNLHR

Helena

Mon 31/8

14:29-08:35

2 stops35h 06m

London Heathrow

Sun 13/9

09:30-21:16

2 stops42h 46m

£696

Fastest return journey

HelenaLondon

HLN - LHR

HLNLHR

Helena

Wed 16/9

12:50-12:10

2 stops16h 20m

London Heathrow

Sun 20/9

11:20-22:34

2 stops18h 14m

£708

HelenaLondon

HLN - LHR

HLNLHR

Helena

Mon 31/8

14:29-08:35

2 stops35h 06m

London Heathrow

Sun 13/9

14:50-21:16

1 stop13h 26m

£711

HelenaLondon

HLN - LHR

HLNLHR

Helena

Sun 30/8

06:15-09:40

1 stop20h 25m

London Heathrow

Mon 14/9

06:55-13:32

2 stops37h 37m

£730

HelenaLondon

HLN - LHR

HLNLHR

Helena

Sun 30/8

06:15-09:40

1 stop20h 25m

London Heathrow

Sun 13/9

09:30-21:16

2 stops42h 46m

£731

HelenaLondon

HLN - LHR

HLNLHR

Helena

Sun 30/8

06:15-11:55

2 stops22h 40m

London Heathrow

Mon 14/9

06:55-13:32

2 stops37h 37m

£733

HelenaLondon

HLN - LHR

HLNLHR

Helena

Sun 30/8

06:15-11:55

2 stops22h 40m

London Heathrow

Sun 13/9

14:05-21:16

2 stops38h 11m

£735

HelenaLondon

HLN - LHR

HLNLHR

Helena

Wed 16/9

05:45-10:00

1 stop21h 15m

London Heathrow

Sun 20/9

10:55-22:34

1 stop18h 39m

£742

HelenaLondon

HLN - LCY

HLNLCY

Helena

Wed 27/5

13:03-16:40

2 stops20h 37m

London City

Wed 3/6

09:20-22:33

2 stops20h 13m

£1,228

HelenaLondon

HLN - LCY

HLNLCY

Helena

Wed 16/9

12:50-16:40

2 stops20h 50m

London City

Sun 20/9

13:45-22:34

2 stops15h 49m

£1,345

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 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?

KLM, Virgin Atlantic, and United Airlines 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	18h 00m
Direct flights	None

The fastest flight from Helena to London takes 18h 00m

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 18h 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.

Eastbourne

Milton Keynes

Luton

Gatwick

Slough

Maidstone

Wembley

Southend-on-Sea

Ipswich

Canterbury

Ilford

Guildford

Hayes

Dover

Chelmsford

Folkestone

Bedford

Ramsgate

Chichester

Harlow

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.

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.

Start using Trips

Find my bookings

Get notified when prices go down

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

1 adult

Fri 15/5

Fri 22/5

Email me momondo's favourite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United Kingdom

Nearby airports

Cabin classes

Other United Kingdom destinations

Complete your trip

Feeling lucky

Fly into one of these airports located in London

London City Airport

London Gatwick Airport

London Heathrow Airport

London Luton Airport

London Southend Airport

London Stansted Airport

Cheap flights from Helena to London from £283

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Helena to London departing on 18/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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

Find the cheapest flights from Helena to London

Cheap return flights

Cheap one-way flights

United Airlines flights from Helena to London

Our best United Airlines deals on Helena to London flight tickets

Delta flights from Helena to London

Our best Delta 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.

See travel insights to London from

How to get the cheapest flight ticket from Helena to London

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

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

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.

Popular Cities in the United Kingdom

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

Complete your trip to London

Explore popular destinations other users love

According to popular flight searches on momondo this year