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 were last updated today.

How many operators does momondo search for flights from Great Falls Airport to United Kingdom?

There is 1 operator available for flights from Great Falls Airport to United Kingdom as of July 2026.

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 that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check 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 necessary travel and health documents for your United Kingdom trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$754 Cheap Flights from Great Falls to the United Kingdom in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Great Falls to the United Kingdom

Round-trip

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:30 am - 7:10 am

GTF

LHR

17h 40m

2 stops

6:35 am - 9:47 pm

LHR

GTF

22h 12m

2 stops

$754United Airlines

Mon, Nov 9 - Wed, Nov 11

2:39 pm - 9:40 am

GTF

LHR

12h 01m

1 stop

6:35 am - 9:47 pm

LHR

GTF

22h 12m

2 stops

$819United Airlines

Mon, Nov 9 - Wed, Nov 11

6:15 am - 7:20 am

GTF

EDI

18h 05m

2 stops

9:00 am - 9:22 pm

EDI

GTF

43h 22m

2 stops

$864United Airlines

Sun, Oct 18 - Thu, Oct 22

6:15 am - 7:20 am

GTF

EDI

18h 05m

2 stops

9:00 am - 9:22 pm

EDI

GTF

43h 22m

2 stops

$865United Airlines

Sun, Oct 18 - Thu, Oct 22

2:39 pm - 9:40 am

GTF

LHR

12h 01m

1 stop

6:35 am - 9:47 pm

LHR

GTF

22h 12m

2 stops

$878United Airlines

Mon, Nov 9 - Fri, Nov 13

2:39 pm - 9:40 am

GTF

LHR

12h 01m

1 stop

6:35 am - 9:47 pm

LHR

GTF

22h 12m

2 stops

$879United Airlines

Mon, Nov 9 - Fri, Nov 13

4:57 pm - 12:20 pm

GTF

LHR

12h 23m

1 stop

2:45 pm - 4:17 pm

LHR

GTF

32h 32m

1 stop

$889Alaska Airlines

Mon, Nov 9 - Fri, Nov 13

5:15 pm - 3:05 pm

GTF

LHR

14h 50m

1 stop

2:45 pm - 4:35 pm

LHR

GTF

31h 50m

1 stop

$890Alaska Airlines

Wed, Oct 21 - Wed, Oct 28

4:57 pm - 12:20 pm

GTF

LHR

12h 23m

1 stop

2:45 pm - 4:17 pm

LHR

GTF

32h 32m

1 stop

$891Alaska Airlines

Mon, Nov 9 - Wed, Nov 11

1:15 pm - 11:10 pm

GTF

EDI

26h 55m

2 stops

2:05 pm - 10:42 pm

EDI

GTF

39h 37m

2 stops

$946KLM

Wed, Sep 16 - Tue, Sep 22

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Alaska Airlines flights from Great Falls to United Kingdom

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

Alaska Airlines

Nov 9

GTF4:57 pmGreat Falls

12h 23m

1 stop

LHR12:20 pmLondon Heathrow

Nov 13

LHR2:45 pmLondon Heathrow

32h 32m

1 stop

GTF4:17 pmGreat Falls

$889

Alaska Airlines

Oct 21

GTF5:15 pmGreat Falls

14h 50m

1 stop

LHR3:05 pmLondon Heathrow

Oct 28

LHR2:45 pmLondon Heathrow

31h 50m

1 stop

GTF4:35 pmGreat Falls

$890

Alaska Airlines

Nov 9

GTF4:57 pmGreat Falls

12h 23m

1 stop

LHR12:20 pmLondon Heathrow

Nov 11

LHR2:45 pmLondon Heathrow

32h 32m

1 stop

GTF4:17 pmGreat Falls

$891

KLM flights from Great Falls to United Kingdom

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

KLM

Nov 4

GTF5:40 amGreat Falls

18h 25m

2 stops

LHR7:05 amLondon Heathrow

Nov 18

LHR5:50 pmLondon Heathrow

30h 53m

2 stops

GTF5:43 pmGreat Falls

$910

KLM

Oct 21

GTF1:13 pmGreat Falls

13h 47m

1 stop

LHR10:00 amLondon Heathrow

Oct 28

LHR8:00 pmLondon Heathrow

27h 38m

2 stops

GTF5:38 pmGreat Falls

$938

KLM

Sep 16

GTF1:15 pmGreat Falls

26h 55m

2 stops

EDI11:10 pmEdinburgh Turnhouse

Sep 22

EDI2:05 pmEdinburgh Turnhouse

39h 37m

2 stops

GTF10:42 pmGreat Falls

$946

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 round-trip

Great FallsLondon

GTF - LHR

GTFLHR

Great Falls

Mon 11/9

6:30 am-7:10 am

2 stops17h 40m

London Heathrow

Wed 11/11

6:35 am-9:47 pm

2 stops22h 12m

$754

Quickest round-trip

Great FallsLondon

GTF - LHR

GTFLHR

Great Falls

Mon 11/9

2:39 pm-9:40 am

1 stop12h 01m

London Heathrow

Wed 11/11

6:35 am-9:47 pm

2 stops22h 12m

$819

Great FallsEdinburgh

GTF - EDI

GTFEDI

Great Falls

Sun 10/18

6:15 am-7:20 am

2 stops18h 05m

Edinburgh Turnhouse

Thu 10/22

9:00 am-9:22 pm

2 stops43h 22m

$864

Great FallsEdinburgh

GTF - EDI

GTFEDI

Great Falls

Sun 10/18

6:15 am-7:20 am

2 stops18h 05m

Edinburgh Turnhouse

Thu 10/22

9:00 am-9:22 pm

2 stops43h 22m

$865

Great FallsLondon

GTF - LHR

GTFLHR

Great Falls

Mon 11/9

2:39 pm-9:40 am

1 stop12h 01m

London Heathrow

Fri 11/13

6:35 am-9:47 pm

2 stops22h 12m

$878

Great FallsLondon

GTF - LHR

GTFLHR

Great Falls

Mon 11/9

2:39 pm-9:40 am

1 stop12h 01m

London Heathrow

Fri 11/13

6:35 am-9:47 pm

2 stops22h 12m

$879

Great FallsLondon

GTF - LHR

GTFLHR

Great Falls

Mon 11/9

4:57 pm-12:20 pm

1 stop12h 23m

London Heathrow

Fri 11/13

2:45 pm-4:17 pm

1 stop32h 32m

$889

Great FallsLondon

GTF - LHR

GTFLHR

Great Falls

Wed 10/21

5:15 pm-3:05 pm

1 stop14h 50m

London Heathrow

Wed 10/28

2:45 pm-4:35 pm

1 stop31h 50m

$890

Great FallsLondon

GTF - LHR

GTFLHR

Great Falls

Mon 11/9

4:57 pm-12:20 pm

1 stop12h 23m

London Heathrow

Wed 11/11

2:45 pm-4:17 pm

1 stop32h 32m

$891

Great FallsEdinburgh

GTF - EDI

GTFEDI

Great Falls

Wed 9/16

1:15 pm-11:10 pm

2 stops26h 55m

Edinburgh Turnhouse

Tue 9/22

2:05 pm-10:42 pm

2 stops39h 37m

$946

Flights are sorted by cheapest round-trip flights first.

Sorted 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

Can stopping save me money on Great Falls to United Kingdom flights?

You could potentially save up to 7% 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 15m
Direct flights	None

The fastest flight from Great Falls to United Kingdom takes 12h 15m

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 were last updated today.
How many operators does momondo search for flights from Great Falls Airport to United Kingdom?
There is 1 operator available for flights from Great Falls Airport to United Kingdom as of July 2026.
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 that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check 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 necessary travel and health documents for your United Kingdom trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Great Falls to United Kingdom

Compare and see reviews for airlines that fly from Great Falls to United Kingdom with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $645	Free Cancellation	Rating 7.4 10,013 reviews		Search United Airlines flights

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to United Kingdom from Great Falls.

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?

Once all potential Great Falls to United Kingdom 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 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.