How long is the flight from Montana to London?

There are many flights that can get you from Montana to London in 15h 10m. Fly via United Airlines, Delta, or Alaska Airlines to get the fastest option. The distance between Montana and London is about 4512 mi. Both multi-stop and direct flights can be found to your destination and back.

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 are the most popular routes from Montana to London?

Most travelers choose Bozeman Gallatin Field - London Heathrow, Missoula Johnson-Bell Field - London Heathrow or Bozeman Gallatin Field - London City when deciding on the best route from Montana to London.

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

When flying from Montana to London, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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

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

How can I find direct flights from Montana to London?

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

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

Yes. Cheapflights offers flight deals from Montana 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.

£247+ Cheap Flights from Montana to London

Cheap flight deals from Montana to London

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

Cheapest flights from Montana to London
Explore the most affordable flight options available from Montana to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 August 2026.

Sun 6/1217:51 -

2 stops17h 44m

Tue 8/1215:00 -

2 stops36h 51m

Deal found 10/8£559

Sun 6/1212:30 -

3 stops25h 50m

Tue 8/1209:30 -

2 stops18h 37m

Deal found 14/8£565

Sun 6/1206:15 -

2 stops43h 15m

Wed 9/1207:30 -

2 stops20h 50m

Deal found 11/8£569

Sun 15/1110:15 -

2 stops39h 10m

Wed 18/1106:35 -

2 stops23h 08m

Deal found 10/8£614

Tue 1/1210:41 -

2 stops23h 09m

Tue 8/1206:35 -

2 stops21h 32m

Deal found 15/8£643

Tue 1/1213:00 -

1 stop14h 00m

Tue 8/1206:30 -

2 stops24h 02m

Deal found 15/8£648

Mon 16/1105:33 -

1 stop21h 27m

Thu 19/1108:40 -

2 stops18h 17m

Deal found 14/8£648

Tue 1/1214:37 -

3 stops33h 33m

Tue 8/1206:35 -

2 stops21h 32m

Deal found 15/8£651

Mon 16/1113:25 -

2 stops17h 20m

Thu 19/1108:40 -

2 stops18h 17m

Deal found 12/8£652

Tue 1/1208:00 -

1 stop21h 20m

Tue 8/1214:45 -

1 stop16h 14m

Deal found 15/8£657

Sun 6/1214:10 -

1 stop15h 10m

Tue 8/1214:45 -

1 stop16h 14m

Deal found 11/8£657

Sun 6/1214:03 -

1 stop15h 17m

Tue 8/1214:45 -

1 stop16h 23m

Deal found 11/8£657

Best flights from Montana to London
Discover carefully curated flight deals from Montana to London that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 15 August 2026.

Sun 6/1207:00 -

2 stops17h 55m

Tue 8/1207:30 -

2 stops20h 21m

Deal found 13/8£565

Mon 16/1105:33 -

1 stop21h 27m

Thu 19/1108:40 -

2 stops18h 17m

Deal found 14/8£648

Sun 6/1214:10 -

1 stop15h 10m

Tue 8/1214:45 -

1 stop16h 14m

Deal found 10/8£657

Tue 3/1105:40 -

1 stop21h 20m

Tue 17/1117:50 -

2 stops30h 51m

Deal found 14/8£670

Mon 23/1106:00 -

2 stops25h 50m

Mon 30/1110:25 -

2 stops19h 28m

Deal found 13/8£810

Sun 10/116:22 -

1 stop34h 18m

Wed 13/106:50 -

2 stops19h 17m

Deal found 11/8£567

Sun 6/1206:15 -

2 stops43h 15m

Wed 9/1207:30 -

2 stops20h 50m

Deal found 11/8£569

Mon 16/1107:03 -

1 stop22h 17m

Thu 19/1114:45 -

1 stop13h 33m

Deal found 11/8£657

Wed 4/1113:18 -

1 stop13h 42m

Tue 17/1110:00 -

2 stops38h 41m

Deal found 14/8£670

Wed 21/1013:18 -

1 stop13h 42m

Tue 3/1117:50 -

2 stops30h 57m

Deal found 13/8£670

Wed 3/211:16 -

1 stop18h 04m

Tue 9/214:45 -

1 stop16h 14m

Deal found 13/8£657

Mon 21/915:38 -

2 stops15h 12m

Tue 6/1011:45 -

2 stops17h 52m

Deal found 15/8£672

Sun 6/1213:30 -

1 stop17h 00m

Tue 8/1209:30 -

2 stops18h 37m

Deal found 14/8£612

Sun 1/1118:27 -

1 stop32h 33m

Wed 18/1106:20 -

2 stops37h 11m

Deal found 14/8£676

Sun 6/1214:03 -

1 stop15h 17m

Tue 8/1214:45 -

1 stop16h 23m

Deal found 14/8£657

Sun 15/1110:15 -

2 stops39h 10m

Wed 18/1106:35 -

2 stops23h 08m

Deal found 10/8£614

Tue 3/1113:18 -

2 stops17h 27m

Fri 13/1106:20 -

2 stops18h 21m

Deal found 14/8£679

Mon 12/1014:00 -

1 stop16h 05m

Tue 20/1010:55 -

1 stop13h 55m

Deal found 15/8£691

Mon 5/1015:49 -

2 stops20h 01m

Mon 19/1010:20 -

2 stops18h 44m

Deal found 10/8£863

Fri 18/1207:00 -

2 stops20h 55m

Fri 1/111:55 -

2 stops18h 48m

Deal found 12/8£1,788

Tue 1/1205:30 -

1 stop21h 30m

Sun 6/1206:20 -

2 stops18h 23m

Deal found 13/8£691

Tue 1/1211:16 -

1 stop18h 04m

Sun 6/1214:45 -

1 stop26h 52m

Deal found 11/8£698

Sun 6/1214:29 -

1 stop12h 11m

Tue 8/1218:00 -

2 stops34h 30m

Deal found 11/8£659

Tue 13/1014:00 -

1 stop16h 05m

Tue 20/1011:40 -

1 stop17h 57m

Deal found 15/8£691

Sun 1/1114:02 -

1 stop15h 18m

Thu 5/1114:45 -

1 stop13h 40m

Deal found 14/8£699

Mon 7/914:08 -

2 stops21h 42m

Wed 23/910:20 -

2 stops16h 21m

Deal found 15/8£2,067

Tue 3/1114:45 -

2 stops33h 25m

Tue 17/1106:35 -

2 stops22h 03m

Deal found 14/8£673

Mon 12/1006:00 -

2 stops18h 55m

Tue 20/1010:00 -

2 stops19h 37m

Deal found 15/8£691

Sun 27/918:39 -

2 stops15h 01m

Sun 4/1013:45 -

2 stops17h 34m

Deal found 13/8£858

Tue 13/1010:20 -

1 stop21h 45m

Mon 19/1017:00 -

1 stop23h 40m

Deal found 15/8£735

Find flight deals from Montana to London

Round-trip from	£559
One-way from	£247
Popular in	July
Cheapest in	October
Average price	£722

United Airlines
6/12-8/12
4 total stops
54h 35m total
Montana to London

Search Deals

Delta
25/11
1 total stop
21h 15m total
Montana to London

Search Deals

Highest demand for flights based on searches. 16% potential increase in price (£118 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease (£24 potential savings vs. average return price).

Search Deals

Average for round-trip flights in August 2026

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BillingsLondon

BIL Billings Logan Intl - LHR London Heathrow

BILLHR

Billings Logan Intl

Sun 6/12

07:00-07:55

2 stops17h 55m

London Heathrow

Tue 8/12

07:30-20:51

2 stops20h 21m

£565

BozemanLondon

BZN Bozeman Gallatin Field - LHR London Heathrow

BZNLHR

Bozeman Gallatin Field

Sun 10/1

16:22-09:40

1 stop34h 18m

London Heathrow

Wed 13/1

06:50-19:07

2 stops19h 17m

£567

Great FallsLondon

GTF Great Falls - LHR London Heathrow

GTFLHR

Great Falls

Sun 6/12

06:15-08:30

2 stops43h 15m

London Heathrow

Wed 9/12

07:30-21:20

2 stops20h 50m

£569

BozemanLondon

BZN Bozeman Gallatin Field - LHR London Heathrow

BZNLHR

Bozeman Gallatin Field

Sun 6/12

13:30-13:30

1 stop17h 00m

London Heathrow

Tue 8/12

09:30-21:07

2 stops18h 37m

£612

ButteLondon

BTM Butte Silver Bow Co - LHR London Heathrow

BTMLHR

Butte Silver Bow Co

Sun 15/11

10:15-08:25

2 stops39h 10m

London Heathrow

Wed 18/11

06:35-22:43

2 stops23h 08m

£614

MissoulaLondon

MSO Missoula Johnson-Bell Field - LHR London Heathrow

MSOLHR

Missoula Johnson-Bell Field

Mon 16/11

05:33-10:00

1 stop21h 27m

London Heathrow

Thu 19/11

08:40-19:57

2 stops18h 17m

£648

KalispellLondon

FCA Kalispell Glacier Park - LHR London Heathrow

FCALHR

Kalispell Glacier Park

Sun 6/12

14:10-12:20

1 stop15h 10m

London Heathrow

Tue 8/12

14:45-23:59

1 stop16h 14m

£657

MissoulaLondon

MSO Missoula Johnson-Bell Field - LHR London Heathrow

MSOLHR

Missoula Johnson-Bell Field

Mon 16/11

07:03-12:20

1 stop22h 17m

London Heathrow

Thu 19/11

14:45-21:18

1 stop13h 33m

£657

BozemanLondon

BZN Bozeman Gallatin Field - LHR London Heathrow

BZNLHR

Bozeman Gallatin Field

Wed 3/2

11:16-12:20

1 stop18h 04m

London Heathrow

Tue 9/2

14:45-23:59

1 stop16h 14m

£657

BillingsLondon

BIL Billings Logan Intl - LHR London Heathrow

BILLHR

Billings Logan Intl

Sun 6/12

14:03-12:20

1 stop15h 17m

London Heathrow

Tue 8/12

14:45-00:08

1 stop16h 23m

£657

Flights are sorted by cheapest return flights first.

Deals found on 11/8

Showing 1-10 of 60 resultsSorted by cheapest first

...

Best time to book a flight from Montana to London

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

BIL-LHR

BIL-LCY

BZN-LHR

MSO-LHR

BZN-LCY

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 Montana to London

USMT-LON

BIL-LHR

BIL-LCY

BZN-LHR

MSO-LHR

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

Currently, October is the cheapest month in which you can book a flight from Montana to London (average of £604). Flying from Montana to London in June is currently the most expensive (average of £1,168). 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.

How much does it cost for a return flight from Montana to London?

Airfare is below average for this route at the moment.

Montana to London flights typically cost between £722 and £831 in December.
The cheapest return price found within the last 5 days was £565 on United Airlines (6 Dec–8 Dec).

Related info for your journey

How long is the flight from Montana to London?
There are many flights that can get you from Montana to London in 15h 10m. Fly via United Airlines, Delta, or Alaska Airlines to get the fastest option. The distance between Montana and London is about 4512 mi. Both multi-stop and direct flights can be found to your destination and back.
What are the most popular routes from Montana to London?
Most travelers choose Bozeman Gallatin Field - London Heathrow, Missoula Johnson-Bell Field - London Heathrow or Bozeman Gallatin Field - London City when deciding on the best route from Montana to London.
Can I find deals for flights from Montana to London that include hotel bookings?
Yes. In addition to deals on Montana to London flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Montana to London?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Montana to London.
Can I find deals for business class flights from Montana to London?
Yes. Cheapflights offers flight deals from Montana 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 Montana to London?
Currently, October is the cheapest month in which you can book a flight from Montana to London (average of £604). Flying from Montana to London in June is currently the most expensive (average of £1,168). 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

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

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Users can book flights with no change fees policies with our dedicated filters. Book flights from Montana to London flexibly with Cheapflights today.

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to London from Montana today and book when prices fit your budget.

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Cheap flights from Montana to London from £247

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 25/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Montana to London

Cheapest flights from Montana to LondonExplore the most affordable flight options available from Montana to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 August 2026.

Explore the most affordable flight options available from Montana to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 August 2026.

Best flights from Montana to LondonDiscover carefully curated flight deals from Montana to London that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 15 August 2026.

Discover carefully curated flight deals from Montana to London that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 15 August 2026.

Last-minute flights from Montana to LondonDiscover last-minute flight deals from Montana to London. Data last updated 15 August 2026 and is based on user searches.

Discover last-minute flight deals from Montana to London. Data last updated 15 August 2026 and is based on user searches.

One-way flights from Montana to LondonSearch for one-way flight options from Montana to London. Find affordable one-way fares based on user searches. Data last updated 15 August 2026.

Search for one-way flight options from Montana to London. Find affordable one-way fares based on user searches. Data last updated 15 August 2026.

Find flight deals from Montana to London

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

Best time to book a flight from Montana to London

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

Cheapflights Insights

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

How much does it cost for a return flight from Montana to London?

Airfare is below average for this route at the moment.

Montana to London flights typically cost between £722 and £831 in December.The cheapest return price found within the last 5 days was £565 on United Airlines (6 Dec–8 Dec).

Related info for your journey

How long is the flight from Montana to London?

What are the most popular routes from Montana to London?

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

How can I find direct flights from Montana to London?

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

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

Travelling to a place near London?

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Direct flights to England

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Search flights from Montana to London by cabin class

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Montana and London flights

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

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Cheapest flights from Montana to London
Explore the most affordable flight options available from Montana to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 August 2026.

Best flights from Montana to London
Discover carefully curated flight deals from Montana to London that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 15 August 2026.

Last-minute flights from Montana to London
Discover last-minute flight deals from Montana to London. Data last updated 15 August 2026 and is based on user searches.

One-way flights from Montana to London
Search for one-way flight options from Montana to London. Find affordable one-way fares based on user searches. Data last updated 15 August 2026.

Montana to London flights typically cost between £722 and £831 in December.
The cheapest return price found within the last 5 days was £565 on United Airlines (6 Dec–8 Dec).