Question 1

What is the cheapest flight from Helena to London Heathrow Airport?

Accepted Answer

In the last 3 days, the lowest price for a flight from Helena to London Heathrow Airport was $627 for a round-trip ticket. <a href='/flight-routes/Helena-HLN/London-Heathrow-LHR'>Visit our flight page for the latest deals!>/a>

Question 2

Do I need a passport to fly between Helena and London?

Accepted Answer

Yes, you'll most likely have to show a valid passport before boarding the plane in Helena and on arrival in London. <a href='/flight-routes/Helena-HLN/London-Heathrow-LHR'>Visit our flight page for the latest deals!>/a>

Question 3

Which airports will I be using when flying from Helena to London?

Accepted Answer

Helena and London are both served by 1 main airport. You will leave Helena from Helena and will be arriving at London Heathrow. <a href='/flight-routes/Helena-HLN/London-Heathrow-LHR'>Visit our flight page for the latest deals!>/a>

Question 4

Which aircraft models fly most regularly from Helena to London?

Accepted Answer

We unfortunately don’t have that data for this specific route.

Question 5

Which airline alliances offer flights from Helena to London?

Accepted Answer

SkyTeam, and Star Alliance are the airline alliances operating flights between Helena and London, with SkyTeam being the most commonly used for this route.

Question 6

How does KAYAK find such low prices on flights from Helena to London?

Accepted Answer

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Helena to London. <a href='/flight-routes/Helena-HLN/London-Heathrow-LHR'>Visit our flight page for the latest deals!>/a>

Question 7

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Helena to London?

Accepted Answer

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to London from Helena is likely to change within 7 days, so travelers know whether to wait or book now. <a href='/flight-routes/Helena-HLN/London-Heathrow-LHR'>Visit our flight page for the latest deals!>/a>

Question 8

What is the Hacker Fare option on flights from Helena to London?

Accepted Answer

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to London with an airline and back to Helena with another airline. Booking your flights between Helena and LHR can sometimes prove cheaper using this method. <a href='/flight-routes/Helena-HLN/London-Heathrow-LHR'>Visit our flight page for the latest deals!>/a>

Question 9

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Helena to London?

Accepted Answer

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to London from Helena up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. <a href='/flight-routes/Helena-HLN/London-Heathrow-LHR'>Visit our flight page for the latest deals!>/a>

Question 10

What is the cheapest layover airport when flying from Helena to London?

Accepted Answer

Flights via Denver (DEN) offer the most affordable fares, with an average round-trip price of $886.

Question 11

What is the most popular layover airport when flying from Helena to London?

Accepted Answer

Salt Lake City (SLC) is the top choice – 50% of KAYAK users who clicked on 1-stop flights from Helena to London picked an itinerary connecting there.

Question 12

Which layover airport has the quickest connection when flying from Helena to London?

Accepted Answer

If you prefer a quick connection, Denver (DEN) often has the shortest layovers from Helena to London, with an average of 1h 53m.

Question 13

Which layover airport offers the shortest total travel time from Helena to London?

Accepted Answer

Consider flying via Denver (DEN) for the shortest journey. The average one-way travel time for flights connecting there is 12h 11m.

Question 14

Which airlines provide the cheapest flights from Helena to London?

Accepted Answer

In the past 3 days, the cheapest round-trip tickets from Helena to London were found on Delta ($627) and Virgin Atlantic ($635).

Question 15

Which airlines provide the cheapest flights from Helena to London?

Accepted Answer

In the past 3 days, the cheapest round-trip tickets from Helena to London were found on Delta ($627) and Virgin Atlantic ($635).

Question 16

What are the most popular airlines flying to Heathrow?

Accepted Answer

The most popular airline among KAYAK users flying to Heathrow is United Airlines, followed by Delta.

HLN - LHR

$627 Find Cheap Flights from Helena to London

KAYAK searches hundreds of travel sites at once for deals on flights to London Heathrow Airport

Cheap Flights from Helena to London (HLN-LHR)

Recent round-trip flight deals from Helena to Heathrow

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Everything you should know

KAYAK's insights & trends for Helena to Heathrow flights

Get data-powered insights and trends into flights from Helena to Heathrow to help you find the cheapest flights, the best time to fly and much more.

Which airlines provide the cheapest flights from Helena to London?

In the past 3 days, the cheapest round-trip tickets from Helena to London were found on Delta ($627) and Virgin Atlantic ($635).

What is the most popular layover airport when flying from Helena to London?

Salt Lake City (SLC) is the top choice – 50% of KAYAK users who clicked on 1-stop flights from Helena to London picked an itinerary connecting there.

What is the cheapest layover airport when flying from Helena to London?

Flights via Denver (DEN) offer the most affordable fares, with an average round-trip price of $886.

Which layover airport offers the shortest total travel time from Helena to London?

Consider flying via Denver (DEN) for the shortest journey. The average one-way travel time for flights connecting there is 12h 11m.

Which layover airport has the quickest connection when flying from Helena to London?

If you prefer a quick connection, Denver (DEN) often has the shortest layovers from Helena to London, with an average of 1h 53m.

Good to know

When to book flights from Helena to Heathrow

FAQs for booking Helena to London flights

What is the cheapest flight from Helena to London Heathrow Airport?

In the last 3 days, the lowest price for a flight from Helena to London Heathrow Airport was $627 for a round-trip ticket.

Do I need a passport to fly between Helena and London?

Yes, you'll most likely have to show a valid passport before boarding the plane in Helena and on arrival in London.

Which airports will I be using when flying from Helena to London?

Helena and London are both served by 1 main airport. You will leave Helena from Helena and will be arriving at London Heathrow.

Which aircraft models fly most regularly from Helena to London?

We unfortunately don’t have that data for this specific route.

Which airline alliances offer flights from Helena to London?

SkyTeam, and Star Alliance are the airline alliances operating flights between Helena and London, with SkyTeam being the most commonly used for this route.

How does KAYAK find such low prices on flights from Helena to London?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Helena to London.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Helena to London?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to London from Helena is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Helena to London?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to London with an airline and back to Helena with another airline. Booking your flights between Helena and LHR can sometimes prove cheaper using this method.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Helena to London?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to London from Helena up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight from Helena to Heathrow

Information on your arrival and departure airports

Cabin class types available on flights to Heathrow

Complete your trip to London with a hotel stay or car rental

Find direct flights to and from Helena and Heathrow

Flights to other popular destinations

Flights from domestic origins to Heathrow

Choose which airport to fly into in London