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Cheap flights from London to Helena from £745

1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from London to Helena

Cheap return flights

Enter your travel dates to find the best prices.
Alaska Airlines Logo
14:45 - 16:16LHR  London Heathrow-HLN Helena
32h 31m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
16:49 - 12:20HLN  Helena-LHR London Heathrow
12h 31m1 stop Seattle/Tacoma Intl
£745Alaska Airlines
Thu, 19 Nov - Sat, 5 Dec
Alaska Airlines Logo
14:45 - 16:04LHR  London Heathrow-HLN Helena
32h 19m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
16:41 - 12:20HLN  Helena-LHR London Heathrow
12h 39m1 stop Seattle/Tacoma Intl
£747Alaska Airlines
Fri, 6 Nov - Fri, 13 Nov
Multiple Airlines Logo
20:35 - 16:16LHR  London Heathrow-HLN Helena
50h 41m2 stops Reykjavik Keflavik Intl Seattle/Tacoma Intl
Multiple Airlines Logo
16:55 - 10:50HLN  Helena-LHR London Heathrow
34h 55m2 stops Seattle/Tacoma Intl Reykjavik Keflavik Intl
£893Multiple Airlines
Thu, 19 Nov - Sat, 5 Dec
Multiple Airlines Logo
06:20 - 22:26LHR  London Heathrow-HLN Helena
23h 06m2 stops Paris Charles de Gaulle Salt Lake City
Multiple Airlines Logo
07:03 - 10:00HLN  Helena-LHR London Heathrow
19h 57m1 stop Salt Lake City
£894Multiple Airlines
Thu, 19 Nov - Sat, 5 Dec
United Airlines Logo
06:35 - 21:31LHR  London Heathrow-HLN Helena
21h 56m2 stops Munich Franz Josef Strauss Denver Intl
United Airlines Logo
14:23 - 09:40HLN  Helena-LHR London Heathrow
12h 17m1 stop Denver Intl
£999United Airlines
Fri, 6 Nov - Fri, 13 Nov
Lufthansa Logo
07:40 - 21:31LHR  London Heathrow-HLN Helena
20h 51m2 stops Munich Franz Josef Strauss Denver Intl
Lufthansa Logo
14:35 - 09:40HLN  Helena-LHR London Heathrow
12h 05m1 stop Denver Intl
£1,102Lufthansa
Thu, 19 Nov - Sat, 5 Dec
Lufthansa Logo
09:30 - 21:31LHR  London Heathrow-HLN Helena
19h 01m2 stops Frankfurt am Main Denver Intl
Lufthansa Logo
06:20 - 06:40HLN  Helena-LHR London Heathrow
17h 20m2 stops Denver Intl Washington, D.C. Dulles Intl
£1,107Lufthansa
Thu, 19 Nov - Sat, 5 Dec

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Alaska Airlines flights from London to Helena

Our best Alaska Airlines deals on London to Helena flight tickets
Alaska Airlines
19 Nov
LHR14:45London Heathrow
32h 31m
1 stop
HLN16:16Helena
5 Dec
HLN16:49Helena
12h 31m
1 stop
LHR12:20London Heathrow
£745
Alaska Airlines
6 Nov
LHR14:45London Heathrow
32h 19m
1 stop
HLN16:04Helena
13 Nov
HLN16:41Helena
12h 39m
1 stop
LHR12:20London Heathrow
£747

Lufthansa flights from London to Helena

Our best Lufthansa deals on London to Helena flight tickets
Lufthansa
19 Nov
LHR07:40London Heathrow
20h 51m
2 stops
HLN21:31Helena
5 Dec
HLN14:35Helena
12h 05m
1 stop
LHR09:40London Heathrow
£1,102
Lufthansa
19 Nov
LHR09:30London Heathrow
19h 01m
2 stops
HLN21:31Helena
5 Dec
HLN06:20Helena
17h 20m
2 stops
LHR06:40London Heathrow
£1,107

momondo Fare Finder

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

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Route

Depart

Return

Price

Cheapest return flight

LondonHelena

LHR London Heathrow - HLN Helena

LHRHLN

London Heathrow

Thu 19/11

14:45-16:16

1 stop32h 31m

Helena

Sat 5/12

16:49-12:20

1 stop12h 31m

£745

LondonHelena

LHR London Heathrow - HLN Helena

LHRHLN

London Heathrow

Fri 6/11

14:45-16:04

1 stop32h 19m

Helena

Fri 13/11

16:41-12:20

1 stop12h 39m

£747

LondonHelena

LHR London Heathrow - HLN Helena

LHRHLN

London Heathrow

Thu 19/11

20:35-16:16

2 stops50h 41m

Helena

Sat 5/12

16:55-10:50

2 stops34h 55m

£893

LondonHelena

LHR London Heathrow - HLN Helena

LHRHLN

London Heathrow

Thu 19/11

06:20-22:26

2 stops23h 06m

Helena

Sat 5/12

07:03-10:00

1 stop19h 57m

£894

LondonHelena

LHR London Heathrow - HLN Helena

LHRHLN

London Heathrow

Fri 6/11

06:35-21:31

2 stops21h 56m

Helena

Fri 13/11

14:23-09:40

1 stop12h 17m

£999
Fastest return journey

LondonHelena

LHR London Heathrow - HLN Helena

LHRHLN

London Heathrow

Thu 19/11

07:40-21:31

2 stops20h 51m

Helena

Sat 5/12

14:35-09:40

1 stop12h 05m

£1,102

LondonHelena

LHR London Heathrow - HLN Helena

LHRHLN

London Heathrow

Thu 19/11

09:30-21:31

2 stops19h 01m

Helena

Sat 5/12

06:20-06:40

2 stops17h 20m

£1,107

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

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How to get the cheapest flight ticket from London to Helena

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

Can stopping save me money on London to Helena flights?

You could potentially save up to 36% on your flight if you consider stops on a London to Helena flight.

When to book flights from London to Helena

Are you open to changing your travel dates? Check out the ideal times to fly from London to Helena according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap London to Helena (LON to HLN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London to Helena

Best price found

£745

Direct flights

None
The best flight deal from London to Helena found on momondo in the last 72 hours is £745
There are no direct flights from London to Helena. There are no popular flight routes from London to Helena.
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Frequently asked questions about flying from London to Helena

  • How far is London to Helena by plane?

    The distance between London and Helena is about 4547.6 mi.

  • When did momondo last update prices for flights from London to Helena Airport?

    Prices for flights from London to Helena Airport are refreshed on a daily basis.

  • How old do you have to be to fly from London to Helena Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London to Helena Airport.

  • What documentation or ID do you need to fly to Helena Airport?

    The travel and health documents required for your trip to Helena Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Helena Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Why use momondo?

Why should I use momondo to find a flight deal from London to Helena?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Helena from London.

Can I find flights from London to Helena with flexible booking policies on momondo?

momondo does allow users to show only those flights to Helena from London which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from London to Helena?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Helena from London.

I’m not ready to book a flight from London to Helena right now. Can momondo alert me if prices change?

If you are not ready to book a flight from London to Helena now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Helena and let you know when they change.

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