How do I get Price Alerts for flights from Great Falls to United Kingdom?

Confirm your travel details to search for the latest offers for flights from Great Falls to United Kingdom . While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

How can I save money on flights from Great Falls to United Kingdom with momondo?

With “Price Forecast”, learn how soon you should book your flight in advance. Down to the day of week and time of day, our information can inform you on the ideal time to book to save on your travel. Our “Price Calendar” shows you at a quick glance when to book your travel for lower rates. By setting “Price Alerts” you can monitor changes in price and target the ideal time to book. Search for your trip destination by budget amount via our “Explore” feature. Whether you’re looking for ideas for your next travel adventure or cost-cutting tips, our “Discover” content is a great place to start.

How does momondo find its flight prices?

We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

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.

£651 Cheap Flights from Great Falls to the United Kingdom in 2026

Find the cheapest flights from Great Falls to the United Kingdom

Return

Cheap return flights

Enter your travel dates to find the best prices.

13:10 - 10:00GTF Great Falls-LHR London Heathrow

13h 50m1 stop Salt Lake City

17:05 - 17:43LHR London Heathrow-GTF Great Falls

31h 38m2 stops Amsterdam Schiphol Salt Lake City

£651Multiple Airlines

Tue, 16 Feb - Tue, 23 Feb

13:10 - 13:45GTF Great Falls-LHR London Heathrow

17h 35m2 stops Salt Lake City Paris Charles de Gaulle

20:25 - 17:43LHR London Heathrow-GTF Great Falls

28h 18m2 stops Amsterdam Schiphol Salt Lake City

£654Multiple Airlines

Tue, 16 Feb - Tue, 23 Feb

13:18 - 10:00GTF Great Falls-LHR London Heathrow

13h 42m1 stop Salt Lake City

20:25 - 17:41LHR London Heathrow-GTF Great Falls

28h 16m2 stops Amsterdam Schiphol Salt Lake City

£665Multiple Airlines

Mon, 2 Nov - Mon, 16 Nov

06:30 - 07:10GTF Great Falls-LHR London Heathrow

17h 40m2 stops Denver Intl Montreal Pierre Elliott Trudeau Intl

06:35 - 21:38LHR London Heathrow-GTF Great Falls

22h 03m2 stops Munich Franz Josef Strauss Denver Intl

£667United Airlines

Tue, 3 Nov - Tue, 17 Nov

13:18 - 13:45GTF Great Falls-LHR London Heathrow

17h 27m2 stops Salt Lake City Paris Charles de Gaulle

20:25 - 17:41LHR London Heathrow-GTF Great Falls

28h 16m2 stops Amsterdam Schiphol Salt Lake City

£668Multiple Airlines

Mon, 2 Nov - Mon, 16 Nov

13:10 - 10:00GTF Great Falls-LHR London Heathrow

13h 50m1 stop Salt Lake City

10:45 - 17:43LHR London Heathrow-GTF Great Falls

13h 58m1 stop Salt Lake City

£672Multiple Airlines

Tue, 16 Feb - Tue, 23 Feb

16:59 - 12:20GTF Great Falls-LHR London Heathrow

12h 21m1 stop Seattle/Tacoma Intl

14:45 - 16:19LHR London Heathrow-GTF Great Falls

32h 34m1 stop Seattle/Tacoma Intl

£686Alaska Airlines

Tue, 10 Nov - Fri, 13 Nov

16:59 - 12:20GTF Great Falls-LHR London Heathrow

12h 21m1 stop Seattle/Tacoma Intl

14:45 - 16:19LHR London Heathrow-GTF Great Falls

32h 34m1 stop Seattle/Tacoma Intl

£687Alaska Airlines

Tue, 10 Nov - Fri, 13 Nov

16:59 - 12:20GTF Great Falls-LHR London Heathrow

12h 21m1 stop Seattle/Tacoma Intl

14:45 - 16:19LHR London Heathrow-GTF Great Falls

32h 34m1 stop Seattle/Tacoma Intl

£687Alaska Airlines

Tue, 10 Nov - Fri, 13 Nov

13:15 - 15:35GTF Great Falls-LHR London Heathrow

19h 20m2 stops Salt Lake City Seattle/Tacoma Intl

06:30 - 17:41LHR London Heathrow-GTF Great Falls

18h 11m2 stops Amsterdam Schiphol Salt Lake City

£690KLM

Tue, 15 Sep - Wed, 30 Sep

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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

3 Nov

GTF06:30Great Falls

17h 40m

2 stops

LHR07:10London Heathrow

17 Nov

LHR06:35London Heathrow

22h 03m

2 stops

GTF21:38Great Falls

£667

United Airlines

15 Sept

GTF06:15Great Falls

20h 25m

1 stop

LHR09:40London Heathrow

30 Sept

LHR09:30London Heathrow

42h 52m

2 stops

GTF21:22Great Falls

£695

United Airlines

4 Oct

GTF06:15Great Falls

23h 20m

1 stop

LHR12:35London Heathrow

11 Oct

LHR14:05London Heathrow

38h 17m

2 stops

GTF21:22Great Falls

£708

Alaska Airlines flights from Great Falls to United Kingdom

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

Alaska Airlines

10 Nov

GTF16:59Great Falls

12h 21m

1 stop

LHR12:20London Heathrow

13 Nov

LHR14:45London Heathrow

32h 34m

1 stop

GTF16:19Great Falls

£686

Alaska Airlines

10 Nov

GTF16:59Great Falls

12h 21m

1 stop

LHR12:20London Heathrow

13 Nov

LHR14:45London Heathrow

32h 34m

1 stop

GTF16:19Great Falls

£687

Alaska Airlines

10 Nov

GTF16:59Great Falls

12h 21m

1 stop

LHR12:20London Heathrow

13 Nov

LHR14:45London Heathrow

32h 34m

1 stop

GTF16:19Great Falls

£687

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 FallsLondon

GTF Great Falls - LHR London Heathrow

GTFLHR

Great Falls

Tue 16/2

13:10-10:00

1 stop13h 50m

London Heathrow

Tue 23/2

17:05-17:43

2 stops31h 38m

£651

Great FallsLondon

GTF Great Falls - LHR London Heathrow

GTFLHR

Great Falls

Tue 16/2

13:10-13:45

2 stops17h 35m

London Heathrow

Tue 23/2

20:25-17:43

2 stops28h 18m

£654

Great FallsLondon

GTF Great Falls - LHR London Heathrow

GTFLHR

Great Falls

Mon 2/11

13:18-10:00

1 stop13h 42m

London Heathrow

Mon 16/11

20:25-17:41

2 stops28h 16m

£665

Great FallsLondon

GTF Great Falls - LHR London Heathrow

GTFLHR

Great Falls

Tue 3/11

06:30-07:10

2 stops17h 40m

London Heathrow

Tue 17/11

06:35-21:38

2 stops22h 03m

£667

Great FallsLondon

GTF Great Falls - LHR London Heathrow

GTFLHR

Great Falls

Mon 2/11

13:18-13:45

2 stops17h 27m

London Heathrow

Mon 16/11

20:25-17:41

2 stops28h 16m

£668

Fastest return journey

Great FallsLondon

GTF Great Falls - LHR London Heathrow

GTFLHR

Great Falls

Tue 16/2

13:10-10:00

1 stop13h 50m

London Heathrow

Tue 23/2

10:45-17:43

1 stop13h 58m

£672

Great FallsLondon

GTF Great Falls - LHR London Heathrow

GTFLHR

Great Falls

Tue 10/11

16:59-12:20

1 stop12h 21m

London Heathrow

Fri 13/11

14:45-16:19

1 stop32h 34m

£686

Great FallsLondon

GTF Great Falls - LHR London Heathrow

GTFLHR

Great Falls

Tue 10/11

16:59-12:20

1 stop12h 21m

London Heathrow

Fri 13/11

14:45-16:19

1 stop32h 34m

£687

Great FallsLondon

GTF Great Falls - LHR London Heathrow

GTFLHR

Great Falls

Tue 10/11

16:59-12:20

1 stop12h 21m

London Heathrow

Fri 13/11

14:45-16:19

1 stop32h 34m

£687

Great FallsLondon

GTF Great Falls - LHR London Heathrow

GTFLHR

Great Falls

Tue 15/9

13:15-15:35

2 stops19h 20m

London Heathrow

Wed 30/9

06:30-17:41

2 stops18h 11m

£690

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

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

Best price found	£651
Fastest flight time	13h 42m
Direct flights	None

The best flight deal from Great Falls to United Kingdom found on momondo in the last 72 hours is £651

The fastest flight from Great Falls to United Kingdom takes 13h 42m

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.

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

How do I get Price Alerts for flights from Great Falls to United Kingdom?
Confirm your travel details to search for the latest offers for flights from Great Falls to United Kingdom. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.
How can I save money on flights from Great Falls to United Kingdom with momondo?
With “Price Forecast”, learn how soon you should book your flight in advance. Down to the day of week and time of day, our information can inform you on the ideal time to book to save on your travel. Our “Price Calendar” shows you at a quick glance when to book your travel for lower rates. By setting “Price Alerts” you can monitor changes in price and target the ideal time to book. Search for your trip destination by budget amount via our “Explore” feature. Whether you’re looking for ideas for your next travel adventure or cost-cutting tips, our “Discover” content is a great place to start.
How does momondo find its flight prices?
We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

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.