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Cheap flights from Great Falls to the United Kingdom from £448

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from Great Falls to the United Kingdom departing on 23/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap return flights

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Delta Logo
18:10 - 10:00GTF-LHR
32h 50m1 stop
Delta Logo
06:20 - 17:28LHR-GTF
18h 08m2 stops
£448Delta
Find Deal
Sun, 23 Nov - Wed, 10 Dec
Multiple Airlines Logo
05:30 - 10:00GTF-LHR
21h 30m1 stop
Multiple Airlines Logo
20:25 - 17:28LHR-GTF
28h 03m2 stops
£448Multiple Airlines
Find Deal
Mon, 24 Nov - Thu, 11 Dec
Delta Logo
05:30 - 07:05GTF-LHR
18h 35m2 stops
Delta Logo
06:20 - 17:28LHR-GTF
18h 08m2 stops
£451Delta
Find Deal
Mon, 24 Nov - Wed, 10 Dec
Delta Logo
05:30 - 10:00GTF-LHR
21h 30m1 stop
Delta Logo
10:45 - 22:30LHR-GTF
18h 45m1 stop
£453Delta
Find Deal
Mon, 24 Nov - Thu, 11 Dec
Delta Logo
18:10 - 10:15GTF-LHR
33h 05m2 stops
Delta Logo
06:20 - 17:28LHR-GTF
18h 08m2 stops
£454Delta
Find Deal
Sun, 23 Nov - Wed, 10 Dec
Delta Logo
05:30 - 16:50GTF-LHR
28h 20m2 stops
Delta Logo
14:45 - 17:28LHR-GTF
33h 43m2 stops
£456Delta
Find Deal
Mon, 24 Nov - Thu, 11 Dec
Delta Logo
18:10 - 10:15GTF-LHR
33h 05m2 stops
Delta Logo
11:40 - 22:30LHR-GTF
17h 50m2 stops
£460Delta
Find Deal
Sun, 23 Nov - Fri, 12 Dec
KLM Logo
13:12 - 10:00GTF-LHR
13h 48m1 stop
KLM Logo
20:25 - 17:28LHR-GTF
28h 03m2 stops
£486KLM
Find Deal
Fri, 28 Nov - Thu, 11 Dec
KLM Logo
13:10 - 23:05GTF-NCL
26h 55m2 stops
KLM Logo
09:30 - 17:44NCL-GTF
39h 14m2 stops
£716KLM
Find Deal
Fri, 3 Apr - Tue, 7 Apr
KLM Logo
13:10 - 16:25GTF-EDI
20h 15m2 stops
KLM Logo
17:15 - 22:53EDI-GTF
36h 38m2 stops
£901KLM
Find Deal
Fri, 3 Apr - Tue, 7 Apr

United Airlines flights from Great Falls to United Kingdom

Our best United Airlines deals on Great Falls to United Kingdom flight tickets
United Airlines
17 Nov
GTF14:30Great Falls
12h 10m
1 stop
LHR09:40London Heathrow
5 Dec
LHR11:35London Heathrow
16h 57m
1 stop
GTF21:32Great Falls
£491
Find similar
United Airlines
27 Nov
GTF06:20Great Falls
20h 20m
1 stop
LHR09:40London Heathrow
11 Dec
LHR11:35London Heathrow
16h 57m
1 stop
GTF21:32Great Falls
£529
Find similar
United Airlines
27 Nov
GTF06:20Great Falls
18h 10m
2 stops
LHR07:30London Heathrow
10 Dec
LHR11:35London Heathrow
16h 57m
1 stop
GTF21:32Great Falls
£532
Find similar

Delta flights from Great Falls to United Kingdom

Our best Delta deals on Great Falls to United Kingdom flight tickets
Delta
23 Nov
GTF18:10Great Falls
32h 50m
1 stop
LHR10:00London Heathrow
10 Dec
LHR06:20London Heathrow
18h 08m
2 stops
GTF17:28Great Falls
£448
Find similar
Delta
24 Nov
GTF05:30Great Falls
18h 35m
2 stops
LHR07:05London Heathrow
10 Dec
LHR06:20London Heathrow
18h 08m
2 stops
GTF17:28Great Falls
£451
Find similar
Delta
24 Nov
GTF05:30Great Falls
21h 30m
1 stop
LHR10:00London Heathrow
11 Dec
LHR10:45London Heathrow
18h 45m
1 stop
GTF22:30Great Falls
£453
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from Great Falls to United Kingdom that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 279,928 searches. Data last updated 14 November 2025.
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

Sun 23/11

18:10-10:00

1 stop32h 50m

London Heathrow

Wed 10/12

06:20-17:28

2 stops18h 08m

£448

Great FallsLondon

GTF - LHR

GTFLHR

Great Falls

Mon 24/11

05:30-10:00

1 stop21h 30m

London Heathrow

Thu 11/12

20:25-17:28

2 stops28h 03m

£448

Great FallsLondon

GTF - LHR

GTFLHR

Great Falls

Mon 24/11

05:30-07:05

2 stops18h 35m

London Heathrow

Wed 10/12

06:20-17:28

2 stops18h 08m

£451

Great FallsLondon

GTF - LHR

GTFLHR

Great Falls

Mon 24/11

05:30-10:00

1 stop21h 30m

London Heathrow

Thu 11/12

10:45-22:30

1 stop18h 45m

£453

Great FallsLondon

GTF - LHR

GTFLHR

Great Falls

Sun 23/11

18:10-10:15

2 stops33h 05m

London Heathrow

Wed 10/12

06:20-17:28

2 stops18h 08m

£454

Great FallsLondon

GTF - LHR

GTFLHR

Great Falls

Mon 24/11

05:30-16:50

2 stops28h 20m

London Heathrow

Thu 11/12

14:45-17:28

2 stops33h 43m

£456

Great FallsLondon

GTF - LHR

GTFLHR

Great Falls

Sun 23/11

18:10-10:15

2 stops33h 05m

London Heathrow

Fri 12/12

11:40-22:30

2 stops17h 50m

£460

Great FallsLondon

GTF - LHR

GTFLHR

Great Falls

Fri 28/11

13:12-10:00

1 stop13h 48m

London Heathrow

Thu 11/12

20:25-17:28

2 stops28h 03m

£486

Great FallsNewcastle upon Tyne

GTF - NCL

GTFNCL

Great Falls

Fri 3/4

13:10-23:05

2 stops26h 55m

Newcastle upon Tyne

Tue 7/4

09:30-17:44

2 stops39h 14m

£716

Great FallsEdinburgh

GTF - EDI

GTFEDI

Great Falls

Fri 3/4

13:10-16:25

2 stops20h 15m

Edinburgh Turnhouse

Tue 7/4

17:15-22:53

2 stops36h 38m

£901

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

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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

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

Direct flights

None
There are no direct flights from Great Falls to United Kingdom. There are no popular flight routes from Great Falls to United Kingdom.
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  • 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.

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