Question 1

What is the cheapest flight from Great Falls to London Heathrow Airport?

Accepted Answer

In the last 3 days, the lowest price for a flight from Great Falls to London Heathrow Airport was $728 for a round-trip ticket. <a href='/flight-routes/Great-Falls-GTF/London-Heathrow-LHR'>Visit our flight page for the latest deals!>/a>

Question 2

Do I need a passport to fly between Great Falls and London?

Accepted Answer

Yes <a href='/flight-routes/Great-Falls-GTF/London-Heathrow-LHR'>Visit our flight page for the latest deals!>/a>

Question 3

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

Accepted Answer

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

Question 4

Which aircraft models fly most regularly from Great Falls to London?

Accepted Answer

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

Question 5

Which airline alliances offer flights from Great Falls to London?

Accepted Answer

Star Alliance is the only airline alliance operating flights between Great Falls and London.

Question 6

How does KAYAK find such low prices on flights from Great Falls 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 Great Falls to London. <a href='/flight-routes/Great-Falls-GTF/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 Great Falls to London?

Accepted Answer

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

Question 8

What is the Hacker Fare option on flights from Great Falls 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 Great Falls with another airline. Booking your flights between Great Falls and LHR can sometimes prove cheaper using this method. <a href='/flight-routes/Great-Falls-GTF/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 Great Falls 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 Great Falls up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. <a href='/flight-routes/Great-Falls-GTF/London-Heathrow-LHR'>Visit our flight page for the latest deals!>/a>

GTF - LHR

$728 Find Cheap Flights from Great Falls to London

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

Cheap Flights from Great Falls to London (GTF-LHR)

Recent round-trip flight deals from Great Falls to Heathrow

Recent one-way flight deals from Great Falls to Heathrow

Good to know

When to book flights from Great Falls to Heathrow

FAQs for booking Great Falls to London flights

What is the cheapest flight from Great Falls to London Heathrow Airport?

In the last 3 days, the lowest price for a flight from Great Falls to London Heathrow Airport was $728 for a round-trip ticket.

Do I need a passport to fly between Great Falls and London?

Yes

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

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

Which aircraft models fly most regularly from Great Falls to London?

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

Which airline alliances offer flights from Great Falls to London?

Star Alliance is the only airline alliance operating flights between Great Falls and London.

How does KAYAK find such low prices on flights from Great Falls 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 Great Falls to London.

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

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to London from Great Falls 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 Great Falls to London?

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Great Falls 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 Great Falls 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 Great Falls 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 Great Falls and Heathrow

Flights to other popular destinations

Flights from domestic origins to Heathrow

Choose which airport to fly into in London