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.

£347 Cheap Flights from Great Falls to the United Kingdom in 2025

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Find the cheapest flights from Great Falls to the United Kingdom

Round-trip

One-way

Cheap return flights

05:40 - 09:50GTF-LHR

21h 10m1 stop

06:15 - 17:29LHR-GTF

18h 14m2 stops

£462Delta

Find Deal

Mon, 29 Sep - Wed, 8 Oct

18:11 - 06:25GTF-LHR

29h 14m2 stops

06:15 - 17:29LHR-GTF

18h 14m2 stops

£466Delta

Find Deal

Mon, 29 Sep - Wed, 8 Oct

05:40 - 09:50GTF-LHR

21h 10m1 stop

11:00 - 23:06LHR-GTF

19h 06m1 stop

£468Delta

Find Deal

Mon, 29 Sep - Wed, 8 Oct

18:15 - 16:40GTF-EDI

15h 25m2 stops

15:30 - 17:35EDI-GTF

33h 05m2 stops

£536

Find Deal

Thu, 9 Oct - Thu, 23 Oct

07:00 - 12:20GTF-LHR

22h 20m1 stop

12:05 - 21:11LHR-GTF

40h 06m2 stops

£538United Airlines

Find Deal

Mon, 29 Sep - Wed, 8 Oct

14:31 - 06:30GTF-LHR

32h 59m2 stops

07:25 - 21:11LHR-GTF

20h 46m2 stops

£540United Airlines

Find Deal

Mon, 29 Sep - Wed, 8 Oct

07:00 - 05:55GTF-LHR

15h 55m2 stops

08:30 - 21:11LHR-GTF

43h 41m2 stops

£542United Airlines

Find Deal

Tue, 30 Sep - Wed, 8 Oct

16:29 - 13:40GTF-LHR

14h 11m1 stop

09:50 - 17:35LHR-GTF

14h 45m1 stop

£551

Find Deal

Mon, 29 Sep - Wed, 8 Oct

05:40 - 11:00GTF-LHR

22h 20m2 stops

06:15 - 17:29LHR-GTF

18h 14m2 stops

£555Delta

Find Deal

Tue, 30 Sep - Wed, 8 Oct

07:00 - 07:20GTF-EDI

41h 20m2 stops

09:40 - 21:11EDI-GTF

18h 31m2 stops

£669United Airlines

Find Deal

Thu, 9 Oct - Wed, 22 Oct

Delta flights from Great Falls to United Kingdom

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

Delta

29 Sept

GTF05:40Great Falls

21h 10m

1 stop

LHR09:50London Heathrow

8 Oct

LHR06:15London Heathrow

18h 14m

2 stops

GTF17:29Great Falls

£462

Find similar

Delta

29 Sept

GTF18:11Great Falls

29h 14m

2 stops

LHR06:25London Heathrow

8 Oct

LHR06:15London Heathrow

18h 14m

2 stops

GTF17:29Great Falls

£466

Find similar

Delta

29 Sept

GTF05:40Great Falls

21h 10m

1 stop

LHR09:50London Heathrow

8 Oct

LHR11:00London Heathrow

19h 06m

1 stop

GTF23:06Great Falls

£468

Find similar

United Airlines flights from Great Falls to United Kingdom

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

United Airlines

29 Sept

GTF07:00Great Falls

22h 20m

1 stop

LHR12:20London Heathrow

8 Oct

LHR12:05London Heathrow

40h 06m

2 stops

GTF21:11Great Falls

£538

Find similar

United Airlines

29 Sept

GTF14:31Great Falls

32h 59m

2 stops

LHR06:30London Heathrow

8 Oct

LHR07:25London Heathrow

20h 46m

2 stops

GTF21:11Great Falls

£540

Find similar

United Airlines

30 Sept

GTF07:00Great Falls

15h 55m

2 stops

LHR05:55London Heathrow

8 Oct

LHR08:30London Heathrow

43h 41m

2 stops

GTF21:11Great Falls

£542

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

Mon 29/9

05:40-09:50

1 stop21h 10m

London Heathrow

Wed 8/10

06:15-17:29

2 stops18h 14m

£462

Great FallsLondon

GTF - LHR

GTFLHR

Great Falls

Mon 29/9

18:11-06:25

2 stops29h 14m

London Heathrow

Wed 8/10

06:15-17:29

2 stops18h 14m

£466

Great FallsLondon

GTF - LHR

GTFLHR

Great Falls

Mon 29/9

05:40-09:50

1 stop21h 10m

London Heathrow

Wed 8/10

11:00-23:06

1 stop19h 06m

£468

Great FallsEdinburgh

GTF - EDI

GTFEDI

Great Falls

Thu 9/10

18:15-16:40

2 stops15h 25m

Edinburgh Turnhouse

Thu 23/10

15:30-17:35

2 stops33h 05m

£536

Great FallsLondon

GTF - LHR

GTFLHR

Great Falls

Mon 29/9

07:00-12:20

1 stop22h 20m

London Heathrow

Wed 8/10

12:05-21:11

2 stops40h 06m

£538

Great FallsLondon

GTF - LHR

GTFLHR

Great Falls

Mon 29/9

14:31-06:30

2 stops32h 59m

London Heathrow

Wed 8/10

07:25-21:11

2 stops20h 46m

£540

Great FallsLondon

GTF - LHR

GTFLHR

Great Falls

Tue 30/9

07:00-05:55

2 stops15h 55m

London Heathrow

Wed 8/10

08:30-21:11

2 stops43h 41m

£542

Great FallsLondon

GTF - LHR

GTFLHR

Great Falls

Mon 29/9

16:29-13:40

1 stop14h 11m

London Heathrow

Wed 8/10

09:50-17:35

1 stop14h 45m

£551

Great FallsLondon

GTF - LHR

GTFLHR

Great Falls

Tue 30/9

05:40-11:00

2 stops22h 20m

London Heathrow

Wed 8/10

06:15-17:29

2 stops18h 14m

£555

Great FallsEdinburgh

GTF - EDI

GTFEDI

Great Falls

Thu 9/10

07:00-07:20

2 stops41h 20m

Edinburgh Turnhouse

Wed 22/10

09:40-21:11

2 stops18h 31m

£669

Flights are sorted by cheapest return flights first.

Showing 1-10 of 12 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

Best price found	£347
Fastest flight time	14h 11m
Direct flights	None
Airports in United Kingdom	2 airports

The best one-way flight to United Kingdom from Great Falls in the past 72 hours is £347. The best return flight deal from Great Falls to United Kingdom found on momondo in the last 72 hours is £462.

The fastest flight from Great Falls to United Kingdom takes 14h 11m

There are no direct flights from Great Falls to United Kingdom. Popular non-direct routes for this connection are Great Falls Airport - London Heathrow Airport and Great Falls Airport - Edinburgh Turnhouse Airport.

There are 2 airports near United Kingdom: London Heathrow (LHR), Edinburgh Turnhouse (EDI)

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.