What is the cheapest airline that flies from Great Falls to United Kingdom?

United Airlines is the most popular carrier operating from Great Falls to United Kingdom

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.

£462 Cheap Flights from Great Falls to the United Kingdom in 2026

1 adult

0 bags

Voted winner of Europe's Best Travel App 2023

Find the cheapest flights from Great Falls to the United Kingdom

Round-trip

One-way

Cheap return flights

Enter your travel dates to find the best prices.

14:25 - 09:40

GTF

LHR

12h 15m

1 stop

07:45 - 21:21

LHR

GTF

20h 36m

2 stops

£750United Airlines

Fri, 9 Oct - Sat, 17 Oct

14:25 - 08:35

GTF

LHR

59h 10m

2 stops

07:45 - 21:21

LHR

GTF

20h 36m

2 stops

£781United Airlines

Fri, 9 Oct - Sat, 17 Oct

18:20 - 10:00

GTF

LHR

32h 40m

1 stop

10:55 - 22:53

LHR

GTF

18h 58m

1 stop

£790KLM

Fri, 9 Oct - Sat, 17 Oct

06:15 - 09:40

GTF

LHR

20h 25m

1 stop

06:55 - 21:34

LHR

GTF

21h 39m

2 stops

£906United Airlines

Wed, 3 Jun - Wed, 10 Jun

06:15 - 06:30

GTF

LHR

17h 15m

2 stops

07:25 - 21:34

LHR

GTF

21h 09m

2 stops

£908United Airlines

Wed, 3 Jun - Wed, 10 Jun

06:15 - 10:00

GTF

LHR

20h 45m

2 stops

17:40 - 21:34

LHR

GTF

34h 54m

2 stops

£918United Airlines

Wed, 8 Jul - Wed, 22 Jul

06:15 - 09:40

GTF

LHR

20h 25m

1 stop

14:50 - 21:34

LHR

GTF

13h 44m

1 stop

£918United Airlines

Wed, 3 Jun - Wed, 10 Jun

06:15 - 08:25

GTF

EDI

19h 10m

2 stops

11:30 - 11:43

EDI

GTF

31h 13m

1 stop

£1,010Lufthansa

Mon, 15 Jun - Fri, 26 Jun

13:22 - 18:25

GTF

EDI

22h 03m

3 stops

21:35 - 22:40

EDI

GTF

32h 05m

3 stops

£2,322Multiple Airlines

Mon, 15 Jun - Fri, 26 Jun

13:22 - 18:25

GTF

EDI

22h 03m

3 stops

19:10 - 12:40

EDI

GTF

48h 30m

3 stops

£2,810Multiple Airlines

Fri, 12 Jun - Tue, 16 Jun

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United Airlines flights from Great Falls to United Kingdom

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

United Airlines

9 Oct

GTF14:25Great Falls

12h 15m

1 stop

LHR09:40London Heathrow

17 Oct

LHR07:45London Heathrow

20h 36m

2 stops

GTF21:21Great Falls

£750

United Airlines

9 Oct

GTF14:25Great Falls

59h 10m

2 stops

LHR08:35London Heathrow

17 Oct

LHR07:45London Heathrow

20h 36m

2 stops

GTF21:21Great Falls

£781

United Airlines

3 Jun

GTF06:15Great Falls

20h 25m

1 stop

LHR09:40London Heathrow

10 Jun

LHR06:55London Heathrow

21h 39m

2 stops

GTF21:34Great Falls

£906

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

Cheapest return flight

Fastest return journey

Great FallsLondon

GTF - LHR

GTFLHR

Great Falls

Fri 9/10

14:25-09:40

1 stop12h 15m

London Heathrow

Sat 17/10

07:45-21:21

2 stops20h 36m

£750

Great FallsLondon

GTF - LHR

GTFLHR

Great Falls

Fri 9/10

14:25-08:35

2 stops59h 10m

London Heathrow

Sat 17/10

07:45-21:21

2 stops20h 36m

£781

Great FallsLondon

GTF - LHR

GTFLHR

Great Falls

Fri 9/10

18:20-10:00

1 stop32h 40m

London Heathrow

Sat 17/10

10:55-22:53

1 stop18h 58m

£790

Great FallsLondon

GTF - LHR

GTFLHR

Great Falls

Wed 3/6

06:15-09:40

1 stop20h 25m

London Heathrow

Wed 10/6

06:55-21:34

2 stops21h 39m

£906

Great FallsLondon

GTF - LHR

GTFLHR

Great Falls

Wed 3/6

06:15-06:30

2 stops17h 15m

London Heathrow

Wed 10/6

07:25-21:34

2 stops21h 09m

£908

Great FallsLondon

GTF - LHR

GTFLHR

Great Falls

Wed 8/7

06:15-10:00

2 stops20h 45m

London Heathrow

Wed 22/7

17:40-21:34

2 stops34h 54m

£918

Great FallsLondon

GTF - LHR

GTFLHR

Great Falls

Wed 3/6

06:15-09:40

1 stop20h 25m

London Heathrow

Wed 10/6

14:50-21:34

1 stop13h 44m

£918

Great FallsEdinburgh

GTF - EDI

GTFEDI

Great Falls

Mon 15/6

06:15-08:25

2 stops19h 10m

Edinburgh Turnhouse

Fri 26/6

11:30-11:43

1 stop31h 13m

£1,010

Great FallsEdinburgh

GTF - EDI

GTFEDI

Great Falls

Mon 15/6

13:22-18:25

3 stops22h 03m

Edinburgh Turnhouse

Fri 26/6

21:35-22:40

3 stops32h 05m

£2,322

Great FallsEdinburgh

GTF - EDI

GTFEDI

Great Falls

Fri 12/6

13:22-18:25

3 stops22h 03m

Edinburgh Turnhouse

Tue 16/6

19:10-12:40

3 stops48h 30m

£2,810

Flights are sorted by cheapest return flights first.

Showing 1-10 of 13 resultsSorted 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

Prices

Airlines

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 15m
Direct flights	None

The fastest flight from Great Falls to United Kingdom takes 12h 15m

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

Frequently asked questions about flying from Great Falls to the United Kingdom

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.