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Cheap flights from Helena to London from £472

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 5/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags
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Cheap return flights

Enter your travel dates to find the best prices.
Scandinavian Airlines Logo
05:30 - 06:50
HLN
-
LHR
18h 20m
2 stops
Scandinavian Airlines Logo
06:20 - 22:30
LHR
-
HLN
22h 10m
2 stops
£472Scandinavian Airlines
Thu, 5 Mar - Thu, 12 Mar
Scandinavian Airlines Logo
05:30 - 06:50
HLN
-
LHR
18h 20m
2 stops
Scandinavian Airlines Logo
10:45 - 12:21
LHR
-
HLN
31h 36m
1 stop
£488Scandinavian Airlines
Thu, 5 Mar - Thu, 12 Mar
United Airlines Logo
14:25 - 06:30
HLN
-
LHR
33h 05m
2 stops
United Airlines Logo
07:25 - 21:33
LHR
-
HLN
21h 08m
2 stops
£516United Airlines
Sat, 4 Apr - Sat, 18 Apr
United Airlines Logo
14:25 - 06:30
HLN
-
LHR
33h 05m
2 stops
United Airlines Logo
16:25 - 21:33
LHR
-
HLN
36h 08m
2 stops
£523United Airlines
Sat, 4 Apr - Sat, 18 Apr
Multiple Airlines Logo
14:30 - 09:40
HLN
-
LHR
12h 10m
1 stop
Multiple Airlines Logo
11:35 - 21:25
LHR
-
HLN
15h 50m
1 stop
£525Multiple Airlines
Thu, 5 Mar - Thu, 12 Mar
United Airlines Logo
14:25 - 09:40
HLN
-
LHR
12h 15m
1 stop
United Airlines Logo
09:30 - 21:33
LHR
-
HLN
19h 03m
2 stops
£559United Airlines
Sat, 4 Apr - Sat, 18 Apr
United Airlines Logo
14:25 - 09:40
HLN
-
LHR
12h 15m
1 stop
United Airlines Logo
11:25 - 21:33
LHR
-
HLN
17h 08m
1 stop
£571United Airlines
Sat, 4 Apr - Sat, 18 Apr
United Airlines Logo
14:25 - 09:40
HLN
-
LHR
12h 15m
1 stop
United Airlines Logo
11:25 - 21:33
LHR
-
HLN
17h 08m
1 stop
£571United Airlines
Sat, 4 Apr - Sat, 18 Apr
United Airlines Logo
06:15 - 06:30
HLN
-
LHR
17h 15m
2 stops
United Airlines Logo
11:25 - 21:33
LHR
-
HLN
17h 08m
1 stop
£573United Airlines
Sat, 4 Apr - Sat, 18 Apr
Delta Logo
13:00 - 16:40
HLN
-
LCY
20h 40m
2 stops
Delta Logo
09:20 - 22:33
LCY
-
HLN
20h 13m
2 stops
£5,198Delta
Mon, 18 May - Tue, 26 May

United Airlines flights from Helena to London

Our best United Airlines deals on Helena to London flight tickets
United Airlines
4 Apr
HLN14:25Helena
33h 05m
2 stops
LHR06:30London Heathrow
18 Apr
LHR07:25London Heathrow
21h 08m
2 stops
HLN21:33Helena
£516
United Airlines
4 Apr
HLN14:25Helena
33h 05m
2 stops
LHR06:30London Heathrow
18 Apr
LHR16:25London Heathrow
36h 08m
2 stops
HLN21:33Helena
£523
United Airlines
4 Apr
HLN14:25Helena
12h 15m
1 stop
LHR09:40London Heathrow
18 Apr
LHR09:30London Heathrow
19h 03m
2 stops
HLN21:33Helena
£559

Delta flights from Helena to London

Our best Delta deals on Helena to London flight tickets
Delta
15 Jun
HLN05:45Helena
21h 15m
1 stop
LHR10:00London Heathrow
28 Jun
LHR17:45London Heathrow
25h 38m
2 stops
HLN12:23Helena
£938
Delta
15 Jun
HLN05:45Helena
21h 15m
1 stop
LHR10:00London Heathrow
1 Jul
LHR10:55London Heathrow
18h 39m
1 stop
HLN22:34Helena
£962
Delta
15 Jun
HLN05:45Helena
21h 35m
2 stops
LHR10:20London Heathrow
1 Jul
LHR09:20London Heathrow
20h 14m
2 stops
HLN22:34Helena
£965

momondo Fare Finder

 
Customise your flight search to find flights from Helena to London that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 279,928 searches. Data last updated 8 February 2026.
Use the filters below to find and compare flights from Helena to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

HelenaLondon

HLN - LHR

HLNLHR

Helena

Thu 5/3

05:30-06:50

2 stops18h 20m

London Heathrow

Thu 12/3

06:20-22:30

2 stops22h 10m

£472

HelenaLondon

HLN - LHR

HLNLHR

Helena

Thu 5/3

05:30-06:50

2 stops18h 20m

London Heathrow

Thu 12/3

10:45-12:21

1 stop31h 36m

£488

HelenaLondon

HLN - LHR

HLNLHR

Helena

Sat 4/4

14:25-06:30

2 stops33h 05m

London Heathrow

Sat 18/4

07:25-21:33

2 stops21h 08m

£516

HelenaLondon

HLN - LHR

HLNLHR

Helena

Sat 4/4

14:25-06:30

2 stops33h 05m

London Heathrow

Sat 18/4

16:25-21:33

2 stops36h 08m

£523

HelenaLondon

HLN - LHR

HLNLHR

Helena

Thu 5/3

14:30-09:40

1 stop12h 10m

London Heathrow

Thu 12/3

11:35-21:25

1 stop15h 50m

£525

HelenaLondon

HLN - LHR

HLNLHR

Helena

Sat 4/4

14:25-09:40

1 stop12h 15m

London Heathrow

Sat 18/4

09:30-21:33

2 stops19h 03m

£559

HelenaLondon

HLN - LHR

HLNLHR

Helena

Sat 4/4

14:25-09:40

1 stop12h 15m

London Heathrow

Sat 18/4

11:25-21:33

1 stop17h 08m

£571

HelenaLondon

HLN - LHR

HLNLHR

Helena

Sat 4/4

14:25-09:40

1 stop12h 15m

London Heathrow

Sat 18/4

11:25-21:33

1 stop17h 08m

£571

HelenaLondon

HLN - LHR

HLNLHR

Helena

Sat 4/4

06:15-06:30

2 stops17h 15m

London Heathrow

Sat 18/4

11:25-21:33

1 stop17h 08m

£573

HelenaLondon

HLN - LCY

HLNLCY

Helena

Mon 18/5

13:00-16:40

2 stops20h 40m

London City

Tue 26/5

09:20-22:33

2 stops20h 13m

£5,198

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

18h 20m

Direct flights

None
The fastest flight from Helena to London takes 18h 20m
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 18h 20m.

  • 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.

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Eastbourne
Milton Keynes
Luton
Gatwick
Slough
Maidstone
Southend-on-Sea
Canterbury
Ipswich
Ilford
Guildford
Chelmsford
Hayes
Wembley
Dover
Folkestone
Colchester
Bedford
Worthing
Ramsgate

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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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
London City Airport
London Gatwick Airport
London Heathrow Airport
London Luton Airport
London Southend Airport
London Stansted Airport