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

SWISS, Alaska Airlines, and United Airlines are the most popular carriers 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.

£439 Cheap Flights from Great Falls to the United Kingdom in 2026

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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.

06:15 - 07:40

GTF

EDI

18h 25m

2 stops

09:00 - 21:12

EDI

GTF

43h 12m

2 stops

£633United Airlines

Mon, 17 Aug - Fri, 21 Aug

14:37 - 09:40

GTF

LHR

12h 03m

1 stop

14:05 - 21:34

LHR

GTF

38h 29m

2 stops

£821United Airlines

Wed, 29 Jul - Sat, 8 Aug

06:15 - 11:35

GTF

LHR

22h 20m

2 stops

14:05 - 21:34

LHR

GTF

38h 29m

2 stops

£825United Airlines

Wed, 29 Jul - Sat, 8 Aug

14:37 - 09:40

GTF

LHR

12h 03m

1 stop

09:30 - 21:34

LHR

GTF

43h 04m

2 stops

£906United Airlines

Wed, 10 Jun - Tue, 16 Jun

06:15 - 11:35

GTF

LHR

22h 20m

2 stops

14:05 - 21:34

LHR

GTF

38h 29m

2 stops

£910United Airlines

Wed, 10 Jun - Tue, 16 Jun

14:37 - 09:40

GTF

LHR

12h 03m

1 stop

14:50 - 21:34

LHR

GTF

13h 44m

1 stop

£921United Airlines

Wed, 10 Jun - Tue, 16 Jun

13:07 - 10:00

GTF

LHR

13h 53m

1 stop

06:30 - 17:44

LHR

GTF

18h 14m

2 stops

£1,022KLM

Wed, 3 Jun - Thu, 11 Jun

18:19 - 10:00

GTF

LHR

32h 41m

1 stop

06:30 - 22:40

LHR

GTF

23h 10m

2 stops

£1,023Delta

Sun, 24 May - Wed, 10 Jun

13:07 - 13:05

GTF

LHR

16h 58m

2 stops

06:30 - 22:40

LHR

GTF

23h 10m

2 stops

£1,025KLM

Tue, 2 Jun - Thu, 11 Jun

13:07 - 13:05

GTF

LHR

16h 58m

2 stops

11:45 - 22:40

LHR

GTF

17h 55m

2 stops

£1,026KLM

Wed, 3 Jun - Wed, 10 Jun

KLM flights from Great Falls to United Kingdom

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

KLM

3 Jun

GTF13:07Great Falls

13h 53m

1 stop

LHR10:00London Heathrow

11 Jun

LHR06:30London Heathrow

18h 14m

2 stops

GTF17:44Great Falls

£1,022

KLM

2 Jun

GTF13:07Great Falls

16h 58m

2 stops

LHR13:05London Heathrow

11 Jun

LHR06:30London Heathrow

23h 10m

2 stops

GTF22:40Great Falls

£1,025

KLM

3 Jun

GTF13:07Great Falls

16h 58m

2 stops

LHR13:05London Heathrow

10 Jun

LHR11:45London Heathrow

17h 55m

2 stops

GTF22:40Great Falls

£1,026

Delta flights from Great Falls to United Kingdom

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

Delta

25 May

GTF13:07Great Falls

13h 53m

1 stop

LHR10:00London Heathrow

12 Jun

LHR08:40London Heathrow

21h 00m

2 stops

GTF22:40Great Falls

£1,022

Delta

24 May

GTF18:19Great Falls

32h 41m

1 stop

LHR10:00London Heathrow

10 Jun

LHR06:30London Heathrow

23h 10m

2 stops

GTF22:40Great Falls

£1,023

Delta

23 May

GTF18:19Great Falls

18h 51m

2 stops

LHR20:10London Heathrow

11 Jun

LHR06:30London Heathrow

18h 14m

2 stops

GTF17:44Great Falls

£1,025

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

Great FallsEdinburgh

GTF - EDI

GTFEDI

Great Falls

Mon 17/8

06:15-07:40

2 stops18h 25m

Edinburgh Turnhouse

Fri 21/8

09:00-21:12

2 stops43h 12m

£633

Great FallsLondon

GTF - LHR

GTFLHR

Great Falls

Wed 29/7

14:37-09:40

1 stop12h 03m

London Heathrow

Sat 8/8

14:05-21:34

2 stops38h 29m

£821

Great FallsLondon

GTF - LHR

GTFLHR

Great Falls

Wed 29/7

06:15-11:35

2 stops22h 20m

London Heathrow

Sat 8/8

14:05-21:34

2 stops38h 29m

£825

Great FallsLondon

GTF - LHR

GTFLHR

Great Falls

Wed 10/6

14:37-09:40

1 stop12h 03m

London Heathrow

Tue 16/6

09:30-21:34

2 stops43h 04m

£906

Great FallsLondon

GTF - LHR

GTFLHR

Great Falls

Wed 10/6

06:15-11:35

2 stops22h 20m

London Heathrow

Tue 16/6

14:05-21:34

2 stops38h 29m

£910

Fastest return journey

Great FallsLondon

GTF - LHR

GTFLHR

Great Falls

Wed 10/6

14:37-09:40

1 stop12h 03m

London Heathrow

Tue 16/6

14:50-21:34

1 stop13h 44m

£921

Great FallsLondon

GTF - LHR

GTFLHR

Great Falls

Wed 3/6

13:07-10:00

1 stop13h 53m

London Heathrow

Thu 11/6

06:30-17:44

2 stops18h 14m

£1,022

Great FallsLondon

GTF - LHR

GTFLHR

Great Falls

Sun 24/5

18:19-10:00

1 stop32h 41m

London Heathrow

Wed 10/6

06:30-22:40

2 stops23h 10m

£1,023

Great FallsLondon

GTF - LHR

GTFLHR

Great Falls

Tue 2/6

13:07-13:05

2 stops16h 58m

London Heathrow

Thu 11/6

06:30-22:40

2 stops23h 10m

£1,025

Great FallsLondon

GTF - LHR

GTFLHR

Great Falls

Wed 3/6

13:07-13:05

2 stops16h 58m

London Heathrow

Wed 10/6

11:45-22:40

2 stops17h 55m

£1,026

Flights are sorted by cheapest return flights first.

Showing 1-10 of 16 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 03m
Direct flights	None

The fastest flight from Great Falls to United Kingdom takes 12h 03m

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.