When did momondo last update prices for flights from Great Falls Airport to United Kingdom?

Prices for flights from Great Falls Airport to United Kingdom are updated daily.

How old do you have to be to fly from Great Falls Airport to United Kingdom?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Great Falls Airport to United Kingdom.

What documentation or ID do you need to fly to United Kingdom?

The travel and health documents you'll need for your trip to United Kingdom may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at United Kingdom. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

£477 Cheap Flights from Great Falls to the United Kingdom in 2025/26

1 adult

0 bags

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Find the cheapest flights from Great Falls to the United Kingdom

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06:10 - 09:40

GTF

LHR

20h 30m1 stop

11:10 - 21:53

LHR

GTF

41h 43m2 stops

£477United Airlines

Thu, 8 Jan - Mon, 12 Jan

14:29 - 08:30

GTF

LHR

35h 01m2 stops

13:00 - 21:53

LHR

GTF

39h 53m2 stops

£482United Airlines

Thu, 8 Jan - Mon, 12 Jan

06:10 - 09:40

GTF

LHR

20h 30m1 stop

11:35 - 21:53

LHR

GTF

17h 18m1 stop

£490United Airlines

Thu, 8 Jan - Mon, 12 Jan

14:29 - 07:10

GTF

LHR

33h 41m2 stops

11:35 - 13:48

LHR

GTF

33h 13m1 stop

£492United Airlines

Thu, 8 Jan - Mon, 12 Jan

14:29 - 20:35

GTF

LHR

23h 06m2 stops

10:25 - 21:53

LHR

GTF

18h 28m2 stops

£493United Airlines

Thu, 8 Jan - Mon, 12 Jan

06:10 - 07:55

GTF

EDI

18h 45m2 stops

09:25 - 21:53

EDI

GTF

19h 28m2 stops

£537United Airlines

Thu, 29 Jan - Mon, 2 Feb

06:15 - 09:40

GTF

LHR

20h 25m1 stop

07:25 - 21:17

LHR

GTF

20h 52m2 stops

£573United Airlines

Wed, 22 Apr - Mon, 27 Apr

06:15 - 06:30

GTF

LHR

17h 15m2 stops

07:25 - 21:17

LHR

GTF

20h 52m2 stops

£575United Airlines

Wed, 22 Apr - Mon, 27 Apr

14:30 - 09:40

GTF

LHR

12h 10m1 stop

11:25 - 21:17

LHR

GTF

16h 52m1 stop

£594United Airlines

Wed, 22 Apr - Mon, 27 Apr

06:10 - 07:55

GTF

EDI

18h 45m2 stops

09:25 - 21:53

EDI

GTF

19h 28m2 stops

£612United Airlines

Thu, 29 Jan - Mon, 2 Feb

United Airlines flights from Great Falls to United Kingdom

Our best United Airlines deals on Great Falls to United Kingdom flight tickets

United Airlines

8 Jan

GTF06:10Great Falls

20h 30m

1 stop

LHR09:40London Heathrow

12 Jan

LHR11:10London Heathrow

41h 43m

2 stops

GTF21:53Great Falls

£477

Find similar

United Airlines

8 Jan

GTF14:29Great Falls

35h 01m

2 stops

LHR08:30London Heathrow

12 Jan

LHR13:00London Heathrow

39h 53m

2 stops

GTF21:53Great Falls

£482

Find similar

United Airlines

8 Jan

GTF06:10Great Falls

20h 30m

1 stop

LHR09:40London Heathrow

12 Jan

LHR11:35London Heathrow

17h 18m

1 stop

GTF21:53Great Falls

£490

Find similar

momondo Fare Finder

Use the filters below to find and compare flights from Great Falls to the United Kingdom that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Great FallsLondon

GTF - LHR

GTFLHR

Great Falls

Thu 8/1

06:10-09:40

1 stop20h 30m

London Heathrow

Mon 12/1

11:10-21:53

2 stops41h 43m

£477

Great FallsLondon

GTF - LHR

GTFLHR

Great Falls

Thu 8/1

14:29-08:30

2 stops35h 01m

London Heathrow

Mon 12/1

13:00-21:53

2 stops39h 53m

£482

Great FallsLondon

GTF - LHR

GTFLHR

Great Falls

Thu 8/1

06:10-09:40

1 stop20h 30m

London Heathrow

Mon 12/1

11:35-21:53

1 stop17h 18m

£490

Great FallsLondon

GTF - LHR

GTFLHR

Great Falls

Thu 8/1

14:29-07:10

2 stops33h 41m

London Heathrow

Mon 12/1

11:35-13:48

1 stop33h 13m

£492

Great FallsLondon

GTF - LHR

GTFLHR

Great Falls

Thu 8/1

14:29-20:35

2 stops23h 06m

London Heathrow

Mon 12/1

10:25-21:53

2 stops18h 28m

£493

Great FallsEdinburgh

GTF - EDI

GTFEDI

Great Falls

Thu 29/1

06:10-07:55

2 stops18h 45m

Edinburgh Turnhouse

Mon 2/2

09:25-21:53

2 stops19h 28m

£537

Great FallsLondon

GTF - LHR

GTFLHR

Great Falls

Wed 22/4

06:15-09:40

1 stop20h 25m

London Heathrow

Mon 27/4

07:25-21:17

2 stops20h 52m

£573

Great FallsLondon

GTF - LHR

GTFLHR

Great Falls

Wed 22/4

06:15-06:30

2 stops17h 15m

London Heathrow

Mon 27/4

07:25-21:17

2 stops20h 52m

£575

Great FallsLondon

GTF - LHR

GTFLHR

Great Falls

Wed 22/4

14:30-09:40

1 stop12h 10m

London Heathrow

Mon 27/4

11:25-21:17

1 stop16h 52m

£594

Great FallsEdinburgh

GTF - EDI

GTFEDI

Great Falls

Thu 29/1

06:10-07:55

2 stops18h 45m

Edinburgh Turnhouse

Mon 2/2

09:25-21:53

2 stops19h 28m

£612

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

How to get the cheapest flight ticket from Great Falls to United Kingdom

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 Great Falls to United Kingdom flights?

You could potentially save up to 1% on your flight if you consider stops on a Great Falls to United Kingdom flight.

Cheap Great Falls to United Kingdom flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Great Falls to United Kingdom

Fastest flight time	12h 11m
Direct flights	None

The fastest flight from Great Falls to United Kingdom takes 12h 11m

There are no direct flights from Great Falls to United Kingdom. There are no popular flight routes from Great Falls to United Kingdom.

Search flight deals

When did momondo last update prices for flights from Great Falls Airport to United Kingdom?
Prices for flights from Great Falls Airport to United Kingdom are updated daily.
How old do you have to be to fly from Great Falls Airport to United Kingdom?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Great Falls Airport to United Kingdom.
What documentation or ID do you need to fly to United Kingdom?
The travel and health documents you'll need for your trip to United Kingdom may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at United Kingdom. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from Great Falls to United Kingdom?

Finding the right flight to United Kingdom from Great Falls is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to United Kingdom quick and easy, saving you time and money.

Can I find flights from Great Falls to United Kingdom with flexible booking policies on momondo?

Flights from Great Falls to United Kingdom with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Great Falls to United Kingdom?

momondo provides multiple filters to help you find the best flight to United Kingdom from Great Falls. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Great Falls to United Kingdom right now. Can momondo alert me if prices change?

Price alerts on flights to United Kingdom from Great Falls are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.