Cheap flights from Great Falls to London from £295

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Great Falls to London departing on 16/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags
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Cheap return flights

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Multiple Airlines Logo
05:30 - 06:50GTF-LHR
18h 20m2 stops
Multiple Airlines Logo
10:45 - 17:28LHR-GTF
13h 43m1 stop
£486Multiple Airlines
Find Deal
dom, 7 dez - dom, 14 dez
Delta Logo
18:15 - 10:00GTF-LHR
32h 45m1 stop
Delta Logo
06:20 - 17:44LHR-GTF
17h 24m2 stops
£491Delta
Find Deal
dom, 1 mar - qua, 11 mar
Delta Logo
05:30 - 09:00GTF-LHR
20h 30m3 stops
Delta Logo
06:20 - 17:44LHR-GTF
17h 24m2 stops
£494Delta
Find Deal
ter, 3 mar - qua, 11 mar
Delta Logo
13:10 - 06:50GTF-LHR
34h 40m2 stops
Delta Logo
06:20 - 17:44LHR-GTF
17h 24m2 stops
£498Delta
Find Deal
sáb, 28 fev - ter, 17 mar
KLM Logo
13:12 - 10:00GTF-LHR
13h 48m1 stop
KLM Logo
17:50 - 17:28LHR-GTF
30h 38m2 stops
£499KLM
Find Deal
sáb, 29 nov - sáb, 6 dez
Delta Logo
18:15 - 10:00GTF-LHR
32h 45m1 stop
Delta Logo
17:35 - 17:44LHR-GTF
30h 09m2 stops
£500Delta
Find Deal
dom, 1 mar - seg, 16 mar
Multiple Airlines Logo
19:35 - 06:35GTF-LHR
28h 00m2 stops
Multiple Airlines Logo
16:30 - 18:55LHR-GTF
33h 25m2 stops
£509Multiple Airlines
Find Deal
dom, 7 dez - dom, 14 dez
KLM Logo
13:12 - 10:00GTF-LHR
13h 48m1 stop
KLM Logo
10:45 - 17:28LHR-GTF
13h 43m1 stop
£520KLM
Find Deal
sáb, 29 nov - sáb, 6 dez
United Airlines Logo
14:25 - 09:40GTF-LHR
12h 15m1 stop
United Airlines Logo
11:25 - 21:15LHR-GTF
16h 50m1 stop
£575United Airlines
Find Deal
seg, 30 mar - qua, 15 abr
United Airlines Logo
07:00 - 09:40GTF-LHR
19h 40m1 stop
United Airlines Logo
11:25 - 13:29LHR-GTF
33h 04m1 stop
£576United Airlines
Find Deal
dom, 29 mar - ter, 14 abr

Delta flights from Great Falls to London

Our best Delta deals on Great Falls to London flight tickets
Delta
1 Mar
GTF18:15Great Falls
32h 45m
1 stop
LHR10:00London Heathrow
11 Mar
LHR06:20London Heathrow
17h 24m
2 stops
GTF17:44Great Falls
Delta
3 Mar
GTF05:30Great Falls
20h 30m
3 stops
LHR09:00London Heathrow
11 Mar
LHR06:20London Heathrow
17h 24m
2 stops
GTF17:44Great Falls
Delta
28 Feb
GTF13:10Great Falls
34h 40m
2 stops
LHR06:50London Heathrow
17 Mar
LHR06:20London Heathrow
17h 24m
2 stops
GTF17:44Great Falls

United Airlines flights from Great Falls to London

Our best United Airlines deals on Great Falls to London flight tickets
United Airlines
30 Mar
GTF14:25Great Falls
12h 15m
1 stop
LHR09:40London Heathrow
15 Apr
LHR11:25London Heathrow
16h 50m
1 stop
GTF21:15Great Falls
United Airlines
29 Mar
GTF07:00Great Falls
19h 40m
1 stop
LHR09:40London Heathrow
14 Apr
LHR11:25London Heathrow
33h 04m
1 stop
GTF13:29Great Falls
United Airlines
26 Feb
GTF07:00Great Falls
19h 40m
1 stop
LHR09:40London Heathrow
14 Mar
LHR11:35London Heathrow
15h 58m
1 stop
GTF21:33Great Falls

momondo Fare Finder

 
Customise your flight search to find flights from Great Falls to London 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 17 outubro 2025.
Use the filters below to find and compare flights from Great Falls to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Great FallsLondon

GTF - LHR

GTFLHR

Great Falls

dom 7/12

05:30-06:50

2 stops18h 20m

London Heathrow

dom 14/12

10:45-17:28

1 stop13h 43m

£486

Great FallsLondon

GTF - LHR

GTFLHR

Great Falls

dom 1/3

18:15-10:00

1 stop32h 45m

London Heathrow

qua 11/3

06:20-17:44

2 stops17h 24m

£491

Great FallsLondon

GTF - LHR

GTFLHR

Great Falls

ter 3/3

05:30-09:00

3 stops20h 30m

London Heathrow

qua 11/3

06:20-17:44

2 stops17h 24m

£494

Great FallsLondon

GTF - LHR

GTFLHR

Great Falls

sáb 28/2

13:10-06:50

2 stops34h 40m

London Heathrow

ter 17/3

06:20-17:44

2 stops17h 24m

£498

Great FallsLondon

GTF - LHR

GTFLHR

Great Falls

sáb 29/11

13:12-10:00

1 stop13h 48m

London Heathrow

sáb 6/12

17:50-17:28

2 stops30h 38m

£499

Great FallsLondon

GTF - LHR

GTFLHR

Great Falls

dom 1/3

18:15-10:00

1 stop32h 45m

London Heathrow

seg 16/3

17:35-17:44

2 stops30h 09m

£500

Great FallsLondon

GTF - LHR

GTFLHR

Great Falls

dom 7/12

19:35-06:35

2 stops28h 00m

London Heathrow

dom 14/12

16:30-18:55

2 stops33h 25m

£509

Great FallsLondon

GTF - LHR

GTFLHR

Great Falls

sáb 29/11

13:12-10:00

1 stop13h 48m

London Heathrow

sáb 6/12

10:45-17:28

1 stop13h 43m

£520

Great FallsLondon

GTF - LHR

GTFLHR

Great Falls

seg 30/3

14:25-09:40

1 stop12h 15m

London Heathrow

qua 15/4

11:25-21:15

1 stop16h 50m

£575

Great FallsLondon

GTF - LHR

GTFLHR

Great Falls

dom 29/3

07:00-09:40

1 stop19h 40m

London Heathrow

ter 14/4

11:25-13:29

1 stop33h 04m

£576

Flights are sorted by cheapest return flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Great Falls to London

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 London flights?

You could potentially save up to 1% on your flight if you consider stops on a Great Falls to London flight.

When to book flights from Great Falls to London

Are you open to changing your travel dates? Check out the ideal times to fly from Great Falls to London according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Great Falls to London (GTF to LON) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Great Falls to London

Direct flights

None
There are no direct flights from Great Falls to London. There are no popular flight routes from Great Falls to London.
  • How far is Great Falls to London by plane?

    The straight-line distance from Great Falls to London is 4477.2 mi. Flights usually cover this in 12h 15m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Great Falls Airport to London?

    Prices for flights from Great Falls Airport to London are refreshed on a daily basis.

  • How old do you have to be to fly from Great Falls Airport to London?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Great Falls Airport to London.

  • What documentation or ID do you need to fly to London?

    The required travel and health documents for your London trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at London. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Eastbourne
Milton Keynes
Luton
Gatwick
Maidstone
Slough
Canterbury
Southend-on-Sea
Ipswich
Ilford
Guildford
Colchester
Dover
Hayes
Chelmsford
Worthing
Dartford
Bedford
Ramsgate
Stansted

Why use momondo?

Why should I use momondo to find a flight deal from Great Falls to London?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Great Falls to London. momondo saves you time and could save you money on your trip.

Can I find flights from Great Falls to London with flexible booking policies on momondo?

Yes. All flights to London from Great Falls on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Great Falls to London?

Once all potential Great Falls to London flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Great Falls to London right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Great Falls to London now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to London and let you know when they change.

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1 adult
dom 16/11
dom 23/11

Find better results for your trip to the United Kingdom

Fly into one of these airports located in London

Airports listed have a maximum distance of 35.6 mi from London