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.

£294 Cheap Flights from Great Falls to the United Kingdom in 2026

1 adult

0 bags

Voted winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Great Falls to the United Kingdom

Round-trip

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

14:30 - 09:40

GTF

LHR

12h 10m

1 stop

11:10 - 21:11

LHR

GTF

40h 01m

2 stops

£466United Airlines

Sat, 7 Mar - Wed, 18 Mar

13:15 - 10:00

GTF

LHR

13h 45m

1 stop

11:45 - 17:42

LHR

GTF

35h 57m

2 stops

£467Delta

Wed, 4 Mar - Mon, 16 Mar

14:30 - 12:20

GTF

LHR

14h 50m

1 stop

09:00 - 13:31

LHR

GTF

35h 31m

2 stops

£478United Airlines

Wed, 8 Apr - Wed, 22 Apr

13:09 - 11:00

GTF

LHR

14h 51m

1 stop

11:45 - 22:26

LHR

GTF

17h 41m

2 stops

£479Scandinavian Airlines

Tue, 28 Apr - Wed, 13 May

06:15 - 06:55

GTF

LHR

17h 40m

2 stops

06:55 - 13:31

LHR

GTF

37h 36m

2 stops

£481United Airlines

Wed, 8 Apr - Wed, 22 Apr

18:22 - 10:00

GTF

LHR

32h 38m

1 stop

06:15 - 17:40

LHR

GTF

18h 25m

2 stops

£483Delta

Sun, 5 Apr - Thu, 23 Apr

13:09 - 08:50

GTF

LHR

36h 41m

2 stops

09:55 - 22:26

LHR

GTF

19h 31m

2 stops

£485Delta

Sat, 25 Apr - Wed, 13 May

05:30 - 12:10

GTF

LHR

23h 40m

2 stops

06:15 - 22:29

LHR

GTF

23h 14m

2 stops

£487Delta

Sun, 5 Apr - Wed, 22 Apr

06:15 - 09:40

GTF

LHR

20h 25m

1 stop

11:35 - 21:11

LHR

GTF

15h 36m

1 stop

£487United Airlines

Sat, 7 Mar - Thu, 19 Mar

13:05 - 10:30

GTF

LHR

15h 25m

2 stops

11:20 - 22:30

LHR

GTF

17h 10m

2 stops

£490Delta

Tue, 10 Mar - Wed, 18 Mar

United Airlines flights from Great Falls to United Kingdom

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

United Airlines

7 Mar

GTF14:30Great Falls

12h 10m

1 stop

LHR09:40London Heathrow

18 Mar

LHR11:10London Heathrow

40h 01m

2 stops

GTF21:11Great Falls

£466

United Airlines

8 Apr

GTF14:30Great Falls

14h 50m

1 stop

LHR12:20London Heathrow

22 Apr

LHR09:00London Heathrow

35h 31m

2 stops

GTF13:31Great Falls

£478

United Airlines

8 Apr

GTF06:15Great Falls

17h 40m

2 stops

LHR06:55London Heathrow

22 Apr

LHR06:55London Heathrow

37h 36m

2 stops

GTF13:31Great Falls

£481

Delta flights from Great Falls to United Kingdom

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

Delta

4 Mar

GTF13:15Great Falls

13h 45m

1 stop

LHR10:00London Heathrow

16 Mar

LHR11:45London Heathrow

35h 57m

2 stops

GTF17:42Great Falls

£467

Delta

5 Apr

GTF18:22Great Falls

32h 38m

1 stop

LHR10:00London Heathrow

23 Apr

LHR06:15London Heathrow

18h 25m

2 stops

GTF17:40Great Falls

£483

Delta

25 Apr

GTF13:09Great Falls

36h 41m

2 stops

LHR08:50London Heathrow

13 May

LHR09:55London Heathrow

19h 31m

2 stops

GTF22:26Great Falls

£485

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

Sat 7/3

14:30-09:40

1 stop12h 10m

London Heathrow

Wed 18/3

11:10-21:11

2 stops40h 01m

£466

Great FallsLondon

GTF - LHR

GTFLHR

Great Falls

Wed 4/3

13:15-10:00

1 stop13h 45m

London Heathrow

Mon 16/3

11:45-17:42

2 stops35h 57m

£467

Great FallsLondon

GTF - LHR

GTFLHR

Great Falls

Wed 8/4

14:30-12:20

1 stop14h 50m

London Heathrow

Wed 22/4

09:00-13:31

2 stops35h 31m

£478

Great FallsLondon

GTF - LHR

GTFLHR

Great Falls

Tue 28/4

13:09-11:00

1 stop14h 51m

London Heathrow

Wed 13/5

11:45-22:26

2 stops17h 41m

£478

Great FallsLondon

GTF - LHR

GTFLHR

Great Falls

Wed 8/4

06:15-06:55

2 stops17h 40m

London Heathrow

Wed 22/4

06:55-13:31

2 stops37h 36m

£481

Great FallsLondon

GTF - LHR

GTFLHR

Great Falls

Sun 5/4

18:22-10:00

1 stop32h 38m

London Heathrow

Thu 23/4

06:15-17:40

2 stops18h 25m

£483

Great FallsLondon

GTF - LHR

GTFLHR

Great Falls

Sat 25/4

13:09-08:50

2 stops36h 41m

London Heathrow

Wed 13/5

09:55-22:26

2 stops19h 31m

£485

Great FallsLondon

GTF - LHR

GTFLHR

Great Falls

Sun 5/4

05:30-12:10

2 stops23h 40m

London Heathrow

Wed 22/4

06:15-22:29

2 stops23h 14m

£487

Great FallsLondon

GTF - LHR

GTFLHR

Great Falls

Sat 7/3

06:15-09:40

1 stop20h 25m

London Heathrow

Thu 19/3

11:35-21:11

1 stop15h 36m

£487

Great FallsLondon

GTF - LHR

GTFLHR

Great Falls

Tue 10/3

13:05-10:30

2 stops15h 25m

London Heathrow

Wed 18/3

11:20-22:30

2 stops17h 10m

£490

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 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 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.