How long is the flight from Great Falls to London?

Delta can get you from Great Falls to London in just under 13h 48m. Your travel time can differ by up to . Great Falls and London are separated by a distance of 4472 mi.

In terms of precipitation, rainfall in London ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London when rainfall is around 40.0 mm.

If weather is an important factor for your trip to London, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

What is the cheapest time of day to fly from GTF to LON?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Great Falls to London as you normally would.

What airport do you fly from for flights from Great Falls to London?

Great Falls (GTF), located 3.5 mi from the city center, is the airport you fly out of when you book flights from Great Falls to London. 0 airlines have flights from Great Falls to London on a regular basis. Booking flights from Great Falls to London should not be difficult; the airport handles an average of 0 outbound flights to London per day.

Can I find deals for flights from Great Falls to London that include hotel bookings?

Yes. In addition to deals on Great Falls to London flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Great Falls to London?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Great Falls to London.

Can I find deals for business class flights from Great Falls to London?

Yes. Cheapflights offers flight deals from Great Falls to London by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£445+ Flights from Great Falls to London

Cheap flight deals from Great Falls to London

Round-trip from	£445

Delta
9/11-25/11
3 total stops
56h 00m total
Great Falls to London

Search Deals

Find flight deals from Great Falls to London

Enter your travel dates to find the best prices.

Cheapest flights from Great Falls to London
Explore the most affordable flight options available from Great Falls to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 October 2025.

Sun 9/1118:10GTF - LHR

1 stop32h 50mDelta

Tue 25/1106:20LHR - GTF

2 stops23h 10mDelta

Deal found 27/10£445

Mon 10/1105:30GTF - LHR

1 stop21h 30mDelta

Wed 26/1111:45LHR - GTF

2 stops36h 45mDelta

Deal found 27/10£446

Tue 11/1105:30GTF - LHR

2 stops21h 45mDelta

Tue 25/1106:20LHR - GTF

2 stops18h 10mDelta

Deal found 27/10£448

Tue 11/1105:30GTF - LHR

3 stops20h 30mDelta

Wed 26/1111:45LHR - GTF

2 stops36h 45mDelta

Deal found 27/10£449

Mon 17/1105:30GTF - LHR

3 stops20h 30mDelta

Tue 25/1110:45LHR - GTF

1 stop13h 45mDelta

Deal found 27/10£454

Tue 11/1105:30GTF - LHR

3 stops20h 30mDelta

Mon 24/1117:35LHR - GTF

2 stops30h 55mDelta

Deal found 27/10£458

Tue 11/1114:30GTF - LHR

1 stop12h 10mUnited Airlines

Thu 27/1106:35LHR - GTF

2 stops37h 58mUnited Airlines

Deal found 27/10£465

Wed 12/1114:30GTF - LHR

2 stops25h 25mUnited Airlines

Wed 26/1106:35LHR - GTF

2 stops37h 58mUnited Airlines

Deal found 27/10£470

Fri 14/1113:12GTF - LHR

1 stop13h 48mDelta

Thu 27/1110:45LHR - GTF

1 stop13h 45mDelta

Deal found 27/10£488

Thu 13/1118:10GTF - LHR

1 stop32h 50mDelta

Wed 26/1110:45LHR - GTF

1 stop13h 45mDelta

Deal found 27/10£488

Thu 13/1113:12GTF - LHR

2 stops23h 58mDelta

Thu 27/1110:45LHR - GTF

1 stop13h 45mDelta

Deal found 27/10£491

Best flights from Great Falls to London
Discover carefully curated flight deals from Great Falls to London that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 29 October 2025.

Wed 12/1113:12GTF - LHR

1 stop13h 48mDelta

Tue 25/1106:20LHR - GTF

2 stops23h 10mDelta

Deal found 27/10£445

Tue 11/1113:12GTF - LHR

1 stop13h 48mKLM

Wed 26/1120:25LHR - GTF

2 stops28h 05mKLM

Deal found 27/10£446

Mon 17/1118:10GTF - LHR

1 stop32h 50mDelta

Tue 25/1106:20LHR - GTF

2 stops18h 10mDelta

Deal found 27/10£445

Sun 9/1118:10GTF - LHR

1 stop32h 50mDelta

Tue 25/1106:20LHR - GTF

2 stops23h 10mDelta

Deal found 27/10£445

Mon 17/1113:12GTF - LHR

1 stop13h 48mDelta

Wed 26/1111:45LHR - GTF

2 stops36h 45mDelta

Deal found 27/10£446

Sun 16/1118:10GTF - LHR

1 stop32h 50mDelta

Wed 26/1111:45LHR - GTF

2 stops36h 45mDelta

Deal found 27/10£446

Tue 11/1105:30GTF - LHR

3 stops20h 30mDelta

Tue 25/1106:20LHR - GTF

2 stops18h 10mDelta

Deal found 27/10£448

Mon 10/1105:30GTF - LHR

2 stops24h 20mDelta

Tue 25/1106:20LHR - GTF

2 stops23h 10mDelta

Deal found 27/10£448

Sat 8/1118:09GTF - LHR

2 stops29h 11mDelta

Wed 26/1111:45LHR - GTF

2 stops36h 45mDelta

Deal found 27/10£449

Wed 12/1105:30GTF - LHR

2 stops22h 00mDelta

Wed 26/1111:45LHR - GTF

2 stops36h 45mDelta

Deal found 27/10£449

Mon 10/1105:30GTF - LHR

2 stops24h 20mDelta

Wed 26/1111:45LHR - GTF

2 stops36h 45mDelta

Deal found 27/10£449

Last-minute flights from Great Falls to London
Discover last-minute flight deals from Great Falls to London. Data last updated 29 October 2025 and is based on user searches.

Sun 9/1118:10GTF - LHR

1 stop32h 50mDelta

Tue 25/1106:20LHR - GTF

2 stops23h 10mDelta

Deal found 27/10£445

Mon 10/1105:30GTF - LHR

1 stop21h 30mDelta

Wed 26/1111:45LHR - GTF

2 stops36h 45mDelta

Deal found 27/10£446

Tue 11/1105:30GTF - LHR

3 stops20h 30mDelta

Tue 25/1106:20LHR - GTF

2 stops18h 10mDelta

Deal found 27/10£448

Tue 11/1118:10GTF - LHR

2 stops29h 50mDelta

Wed 26/1111:45LHR - GTF

2 stops36h 45mDelta

Deal found 27/10£449

Tue 11/1113:12GTF - LHR

1 stop13h 48mKLM

Wed 26/1110:45LHR - GTF

1 stop13h 45mKLM

Deal found 27/10£450

Tue 11/1105:30GTF - LHR

3 stops20h 30mDelta

Mon 24/1117:35LHR - GTF

2 stops30h 55mDelta

Deal found 27/10£458

Tue 11/1114:30GTF - LHR

1 stop12h 10mUnited Airlines

Thu 27/1106:35LHR - GTF

2 stops37h 58mUnited Airlines

Deal found 27/10£465

Wed 12/1114:30GTF - LHR

2 stops25h 25mUnited Airlines

Wed 26/1106:35LHR - GTF

2 stops37h 58mUnited Airlines

Deal found 27/10£470

Thu 13/1118:10GTF - LHR

1 stop32h 50mDelta

Wed 26/1110:45LHR - GTF

1 stop13h 45mDelta

Deal found 27/10£488

Thu 13/1113:12GTF - LHR

2 stops23h 58mDelta

Thu 27/1110:45LHR - GTF

1 stop13h 45mDelta

Deal found 27/10£491

Fri 14/1113:12GTF - LHR

1 stop13h 48mDelta

Tue 25/1110:45LHR - GTF

1 stop13h 45mDelta

Deal found 27/10£488

Mon 17/1105:30GTF - LHR

3 stops20h 30mDelta

Wed 26/1112:20LHR - GTF

2 stops36h 10mDelta

Deal found 27/10£454

Fly from

Fly to

Route

Depart

Return

Price

Great FallsLondon

GTF - LHR

GTFLHR

Great Falls

Wed 12/11

13:12-10:00

1 stop13h 48m

London Heathrow

Tue 25/11

06:20-22:30

2 stops23h 10m

£445

Great FallsLondon

GTF - LHR

GTFLHR

Great Falls

Mon 17/11

18:10-10:00

1 stop32h 50m

London Heathrow

Tue 25/11

06:20-17:30

2 stops18h 10m

£445

Great FallsLondon

GTF - LHR

GTFLHR

Great Falls

Sun 9/11

18:10-10:00

1 stop32h 50m

London Heathrow

Tue 25/11

06:20-22:30

2 stops23h 10m

£445

Great FallsLondon

GTF - LHR

GTFLHR

Great Falls

Tue 11/11

13:12-10:00

1 stop13h 48m

London Heathrow

Wed 26/11

20:25-17:30

2 stops28h 05m

£446

Great FallsLondon

GTF - LHR

GTFLHR

Great Falls

Mon 17/11

13:12-10:00

1 stop13h 48m

London Heathrow

Wed 26/11

11:45-17:30

2 stops36h 45m

£446

Great FallsLondon

GTF - LHR

GTFLHR

Great Falls

Sun 16/11

18:10-10:00

1 stop32h 50m

London Heathrow

Wed 26/11

11:45-17:30

2 stops36h 45m

£446

Great FallsLondon

GTF - LHR

GTFLHR

Great Falls

Tue 11/11

05:30-09:00

3 stops20h 30m

London Heathrow

Tue 25/11

06:20-17:30

2 stops18h 10m

£448

Great FallsLondon

GTF - LHR

GTFLHR

Great Falls

Mon 10/11

05:30-12:50

2 stops24h 20m

London Heathrow

Tue 25/11

06:20-22:30

2 stops23h 10m

£448

Great FallsLondon

GTF - LHR

GTFLHR

Great Falls

Sat 8/11

18:09-06:20

2 stops29h 11m

London Heathrow

Wed 26/11

11:45-17:30

2 stops36h 45m

£449

Great FallsLondon

GTF - LHR

GTFLHR

Great Falls

Wed 12/11

05:30-10:30

2 stops22h 00m

London Heathrow

Wed 26/11

11:45-17:30

2 stops36h 45m

£449

Flights are sorted by cheapest return flights first.

Deals found on 27/10

Showing 1-10 of 11 results

Best time to book a flight from Great Falls to London

Have a flexible travel schedule? Discover the best time to fly to London from Great Falls with our price prediction graph.

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Great Falls to London

No data available for this route at this time. Please check back soon.

Related info for your journey

What airport do you fly from for flights from Great Falls to London?
Great Falls (GTF), located 3.5 mi from the city center, is the airport you fly out of when you book flights from Great Falls to London. 0 airlines have flights from Great Falls to London on a regular basis. Booking flights from Great Falls to London should not be difficult; the airport handles an average of 0 outbound flights to London per day.
How long is the flight from Great Falls to London?
Delta can get you from Great Falls to London in just under 13h 48m. Your travel time can differ by up to . Great Falls and London are separated by a distance of 4472 mi.
Can I find deals for flights from Great Falls to London that include hotel bookings?
Yes. In addition to deals on Great Falls to London flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Great Falls to London?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Great Falls to London.
Can I find deals for business class flights from Great Falls to London?
Yes. Cheapflights offers flight deals from Great Falls to London by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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Crawley

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Bedford

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Why should you use Cheapflights to find cheap flight tickets from Great Falls to London?

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Can Cheapflights find flights from Great Falls to London with no change fees?

Yes, we can. To see specific flights from Great Falls to London with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Great Falls to London become cheaper?

Yes! Start tracking prices for Great Falls to London flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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Cheap flights from Great Falls to London from £445

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Great Falls to London

Round-trip from

Find flight deals from Great Falls to London

Cheapest flights from Great Falls to LondonExplore the most affordable flight options available from Great Falls to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 October 2025.

Explore the most affordable flight options available from Great Falls to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 October 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Great Falls to London that are best for you.

Best time to book a flight from Great Falls to London

Have a flexible travel schedule? Discover the best time to fly to London from Great Falls with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Great Falls to London

Related info for your journey

Find useful and relevant information for your journey from Great Falls to London. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly from for flights from Great Falls to London?

How long is the flight from Great Falls to London?

Can I find deals for flights from Great Falls to London that include hotel bookings?

How can I find direct flights from Great Falls to London?

Can I find deals for business class flights from Great Falls to London?

Travelling to a place near London?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Great Falls to London

See prices for flight routes from nearby airports that may be better suited for you.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Great Falls to London?

Why should you use Cheapflights to find cheap flight tickets from Great Falls to London?

Can Cheapflights find flights from Great Falls to London with no change fees?

Can Cheapflights notify me if prices for flights from Great Falls to London become cheaper?

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Cheapest flights from Great Falls to London
Explore the most affordable flight options available from Great Falls to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 October 2025.