What are the cheapest airlines flying from Great Falls to London round-trip?

Currently priced at £536, United Airlines will fly you from Great Falls to London and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Delta and KLM - these airlines can fly you to your destination from £634 and £805, respectively.

What is the cheapest month to book a flight from Great Falls to London?

Currently, January is the cheapest month in which you can book a flight from Great Falls to London (average of £112). Flying from Great Falls to London in August is currently the most expensive (average of £164). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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.

£323+ Flights from Great Falls to London

Cheap flight deals from Great Falls to London

Round-trip from	£536
One-way from	£323

United Airlines
29/9-8/10
3 total stops
60h 26m total
Great Falls to London

Search Deals

United Airlines
5/10
1 total stop
22h 20m total
Great Falls to London

Search Deals

Find flight deals from Great Falls to London

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 13 June 2025.

Mon 29/907:00GTF - LHR

1 stop22h 20mUnited Airlines

Wed 8/1014:05LHR - GTF

2 stops38h 06mUnited Airlines

Deal found 11/6£536

Mon 15/911:30GTF - LHR

1 stop15h 20mDelta

Sun 21/910:55LHR - GTF

2 stops18h 56mDelta

Deal found 11/6£634

Sun 14/916:29GTF - LHR

1 stop14h 11mMultiple Airlines

Sat 20/909:50LHR - GTF

1 stop12h 59mMultiple Airlines

Deal found 11/6£707

Sun 14/918:20GTF - LHR

2 stops18h 05mKLM

Sat 20/918:35LHR - GTF

2 stops35h 16mKLM

Deal found 11/6£805

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 13 June 2025.

Mon 29/907:00GTF - LHR

1 stop22h 20mUnited Airlines

Wed 8/1014:05LHR - GTF

2 stops38h 06mUnited Airlines

Deal found 11/6£536

Mon 15/911:30GTF - LHR

1 stop15h 20mDelta

Sun 21/910:55LHR - GTF

2 stops18h 56mDelta

Deal found 11/6£634

Sun 14/916:29GTF - LHR

1 stop14h 11mMultiple Airlines

Sat 20/909:50LHR - GTF

1 stop12h 59mMultiple Airlines

Deal found 11/6£707

Sun 14/918:20GTF - LHR

2 stops18h 05mKLM

Sat 20/918:35LHR - GTF

2 stops35h 16mKLM

Deal found 11/6£805

Last-minute flights from Great Falls to London
Discover last-minute flight deals from Great Falls to London. Data last updated 13 June 2025 and is based on user searches.

Sun 27/714:35GTF - LHR

1 stop14h 45mUnited Airlines

Sun 3/811:25LHR - GTF

1 stop16h 48mUnited Airlines

Deal found 12/6£623

Sun 27/706:00GTF - LHR

1 stop24h 10mDelta

Sun 3/810:55LHR - GTF

1 stop18h 50mDelta

Deal found 11/6£638

Cheapflights Fare Finder

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

Mon 29/9

07:00-12:20

1 stop22h 20m

London Heathrow

Wed 8/10

14:05-21:11

2 stops38h 06m

£536

Great FallsLondon

GTF - LHR

GTFLHR

Great Falls

Mon 15/9

11:30-09:50

1 stop15h 20m

London Heathrow

Sun 21/9

10:55-22:51

2 stops18h 56m

£634

Great FallsLondon

GTF - LHR

GTFLHR

Great Falls

Sun 14/9

16:29-13:40

1 stop14h 11m

London Heathrow

Sat 20/9

09:50-15:49

1 stop12h 59m

£707

Great FallsLondon

GTF - LHR

GTFLHR

Great Falls

Sun 14/9

18:20-19:25

2 stops18h 05m

London Heathrow

Sat 20/9

18:35-22:51

2 stops35h 16m

£805

Great FallsLondon

GTF - LHR

GTFLHR

Great Falls

Sun 5/10

07:00-12:20

1 stop22h 20m

£323

Great FallsLondon

GTF - LHR

GTFLHR

Great Falls

Sun 5/10

18:15-11:55

3 stops34h 40m

£390

Flights are sorted by cheapest return flights first.

Deals found on 12/6

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

Rainfall in London by month

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.

Temperature in London by month

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).

Reviews of airlines servicing London

Delta

8.0

Very Good

7,946 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Delta

8.0

Very Good

7,946 reviews

Delta

8.0

Very Good

7,946 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

KLM

7.8

Good

1,358 reviews

Delta

8.0

Very Good

7,946 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

United Airlines

7.4

Good

8,790 reviews

Delta

8.0

Very Good

7,946 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.
What are the cheapest airlines flying from Great Falls to London round-trip?
Currently priced at £536, United Airlines will fly you from Great Falls to London and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Delta and KLM - these airlines can fly you to your destination from £634 and £805, respectively.
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.
What is the cheapest month to book a flight from Great Falls to London?
Currently, January is the cheapest month in which you can book a flight from Great Falls to London (average of £112). Flying from Great Falls to London in August is currently the most expensive (average of £164). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Deal

Hounslow

Croydon

Milton Keynes

Gatwick

Luton

Slough

Wembley

Crawley

Eastbourne

Ilford

Southend-on-Sea

Watford

Hayes

Ipswich

Winchester

Folkestone

Maidstone

Dartford

Guildford

Browse thousands of different options on Cheapflights for your next trip

Fly with Cheapflights

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

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to London from Great Falls today with Cheapflights!

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

Cheapflights simply makes it quick and affordable to book flights from Great Falls to London by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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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Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from Great Falls to London from £323

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/10. 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

One-way 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 13 June 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 13 June 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

Rainfall in London by month

Plan your trip to London by taking into account the average rainfall totals by month.

Temperature in London by month

Plan your trip to London by taking into account the average temperature totals by month.

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to London. Reviews last updated 13 June 2025.

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?

What are the cheapest airlines flying from Great Falls to London round-trip?

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?

What is the cheapest month to book a flight from Great Falls to London?

Travelling to a place near Great Falls?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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?

100% Free

Book with Flexibility

Travel Smart

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 13 June 2025.