How long is the flight from Montana to London Heathrow Airport?

Airlines like Alaska Airlines, KLM, and United Airlines fly from Montana to London Heathrow Airport in about 12h 09m. The time it takes to get you to your destination can typically vary by up to 5h 11m. Airlines will cover a distance of 4473 mi. This flight may include one or multiple stops.

What are the cheapest airlines to fly from Montana to London Heathrow Airport one-way?

£406 is the cheapest one-way deal found within the past few days, from Air France. You may also be able to find cheap deals on United Airlines and KLM, with prices starting from £406 and £412, respectively.

In terms of precipitation, rainfall in London Heathrow Airport 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 Heathrow Airport when rainfall is around 40.0 mm.

If weather is an important factor for your trip to London Heathrow Airport, 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 Heathrow Airport?

The most popular flight routes from Montana to London Heathrow Airport are Missoula Johnson-Bell Field - London Heathrow, Bozeman Gallatin Field - London Heathrow and Billings Logan Intl - London Heathrow.

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

When flying from Montana to London Heathrow Airport, 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 Heathrow that include hotel bookings?

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

How can I find direct flights from Montana to Heathrow?

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

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

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

£297+ Cheap Flights from Montana to London Heathrow Airport

Find flight deals from Montana to Heathrow

Enter your travel dates to find the best prices.

Cheapest flights from Montana to Heathrow
Explore the most affordable flight options available from Montana to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 14 October 2025.

Tue 4/1107:25BZN - LHR

1 stop20h 05mDelta

Fri 19/1211:05LHR - BZN

1 stop19h 41mDelta

Deal found 14/10£450

Tue 21/1005:45HLN - LHR

1 stop21h 05mDelta

Wed 29/1020:00LHR - HLN

2 stops22h 20mDelta

Deal found 13/10£453

Wed 5/1114:31BIL - LHR

1 stop12h 09mUnited Airlines

Wed 12/1111:10LHR - BIL

2 stops18h 39mUnited Airlines

Deal found 13/10£464

Mon 10/1113:13MSO - LHR

1 stop13h 47mDelta

Sun 23/1108:40LHR - MSO

2 stops20h 06mDelta

Deal found 13/10£466

Mon 20/1017:18HLN - LHR

1 stop12h 02mUnited Airlines

Mon 27/1013:50LHR - HLN

2 stops53h 37mUnited Airlines

Deal found 13/10£472

Fri 28/1105:00FCA - LHR

1 stop22h 00mDelta

Fri 5/1206:20LHR - FCA

2 stops23h 50mDelta

Deal found 13/10£481

Sun 9/1114:35BZN - LHR

1 stop14h 05mKLM

Sun 16/1120:25LHR - BZN

2 stops28h 29mKLM

Deal found 13/10£482

Thu 27/1108:00MSO - LHR

1 stop16h 05mVirgin Atlantic

Thu 4/1208:40LHR - MSO

2 stops20h 13mVirgin Atlantic

Deal found 13/10£482

Wed 29/1013:08GTF - LHR

1 stop14h 52mKLM

Sun 2/1120:25LHR - GTF

2 stops28h 04mKLM

Deal found 13/10£482

Thu 27/1105:00BIL - LHR

1 stop21h 40mUnited Airlines

Thu 4/1206:35LHR - BIL

2 stops21h 46mUnited Airlines

Deal found 13/10£483

Thu 27/1106:40HLN - LHR

1 stop20h 00mUnited Airlines

Thu 4/1206:35LHR - HLN

2 stops38h 12mUnited Airlines

Deal found 13/10£483

Thu 27/1105:30HLN - LHR

2 stops18h 35mDelta

Thu 4/1206:20LHR - HLN

2 stops23h 10mDelta

Deal found 13/10£484

Best flights from Montana to Heathrow
Discover carefully curated flight deals from Montana to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 14 October 2025.

Thu 8/112:00BZN - LHR

1 stop17h 20mAlaska Airlines

Mon 12/114:55LHR - BZN

1 stop15h 40mAlaska Airlines

Deal found 11/10£397

Tue 13/108:00MSO - LHR

1 stop16h 05mMultiple Airlines

Tue 27/106:20LHR - MSO

2 stops20h 57mMultiple Airlines

Deal found 13/10£450

Tue 13/112:50MSO - LHR

1 stop14h 10mKLM

Tue 27/110:45LHR - MSO

1 stop13h 42mKLM

Deal found 13/10£456

Wed 5/1105:00BIL - LHR

2 stops17h 55mUnited Airlines

Wed 12/1111:10LHR - BIL

2 stops18h 39mUnited Airlines

Deal found 13/10£467

Fri 28/1105:00FCA - LHR

1 stop22h 00mDelta

Fri 5/1206:20LHR - FCA

2 stops23h 50mDelta

Deal found 13/10£481

Thu 27/1106:25BIL - LHR

1 stop17h 40mAir France

Thu 4/1210:45LHR - BIL

1 stop13h 57mAir France

Deal found 13/10£487

Wed 5/1105:00BIL - LHR

3 stops18h 30mAir Canada

Wed 12/1113:00LHR - BIL

3 stops27h 46mAir Canada

Deal found 13/10£500

Thu 8/108:00MSO - LHR

2 stops17h 45mVirgin Atlantic

Mon 12/120:25LHR - MSO

2 stops28h 02mVirgin Atlantic

Deal found 12/10£512

Thu 15/115:03BZN - LHR

1 stop33h 07mAlaska Airlines

Thu 12/314:55LHR - BZN

1 stop25h 53mAlaska Airlines

Deal found 10/10£425

Wed 29/1013:08GTF - LHR

1 stop14h 52mKLM

Sun 2/1120:25LHR - GTF

2 stops28h 04mKLM

Deal found 13/10£482

Thu 27/1105:00BIL - LHR

1 stop21h 40mUnited Airlines

Thu 4/1206:35LHR - BIL

2 stops21h 46mUnited Airlines

Deal found 13/10£483

Thu 27/1105:30HLN - LHR

2 stops18h 35mDelta

Thu 4/1206:20LHR - HLN

2 stops23h 10mDelta

Deal found 13/10£484

Wed 29/1008:00MSO - LHR

1 stop17h 05mMultiple Airlines

Sat 8/1111:05LHR - MSO

1 stop18h 07mMultiple Airlines

Deal found 13/10£487

Fri 27/208:00BZN - LHR

1 stop16h 10mAlaska Airlines

Mon 2/314:55LHR - BZN

1 stop14h 53mAlaska Airlines

Deal found 10/10£453

Tue 11/1117:57BIL - LHR

2 stops30h 13mMultiple Airlines

Thu 20/1106:35LHR - BIL

2 stops21h 43mMultiple Airlines

Deal found 12/10£494

Thu 27/1112:45BZN - LHR

1 stop15h 30mUnited Airlines

Thu 4/1206:35LHR - BZN

2 stops22h 04mUnited Airlines

Deal found 12/10£501

Wed 26/1105:25MSO - LHR

1 stop21h 35mDelta

Wed 3/1208:40LHR - MSO

2 stops20h 13mDelta

Deal found 13/10£502

Wed 26/1113:13MSO - LHR

1 stop13h 47mKLM

Wed 3/1208:40LHR - MSO

2 stops20h 13mKLM

Deal found 12/10£502

Wed 5/1105:00BIL - LHR

3 stops18h 30mMultiple Airlines

Wed 12/1113:25LHR - BIL

2 stops16h 24mMultiple Airlines

Deal found 13/10£495

Fri 27/315:39BZN - LHR

1 stop14h 41mAlaska Airlines

Tue 31/316:30LHR - BZN

1 stop13h 00mAlaska Airlines

Deal found 10/10£500

Tue 11/1114:31BIL - LHR

1 stop12h 09mUnited Airlines

Thu 20/1111:10LHR - BIL

2 stops18h 39mUnited Airlines

Deal found 12/10£501

Thu 8/111:40BZN - LHR

2 stops14h 05mKLM

Mon 12/120:25LHR - BZN

2 stops28h 15mKLM

Deal found 11/10£512

Thu 4/1205:00FCA - LHR

2 stops19h 50mDelta

Sat 13/1211:05LHR - FCA

2 stops19h 16mDelta

Deal found 13/10£527

Sun 30/1106:35BZN - LHR

1 stop20h 05mUnited Airlines

Mon 8/1207:40LHR - BZN

2 stops20h 59mUnited Airlines

Deal found 10/10£501

Thu 8/107:25BZN - LHR

1 stop20h 05mMultiple Airlines

Mon 12/120:25LHR - BZN

2 stops28h 15mMultiple Airlines

Deal found 12/10£508

Tue 11/1111:42BIL - LHR

1 stop15h 18mKLM

Thu 20/1110:45LHR - BIL

1 stop13h 59mKLM

Deal found 12/10£524

Wed 26/1114:35MSO - LHR

2 stops23h 00mUnited Airlines

Wed 3/1206:35LHR - MSO

2 stops21h 43mUnited Airlines

Deal found 12/10£504

Wed 5/1107:00BIL - LHR

2 stops21h 20mMultiple Airlines

Thu 20/1106:35LHR - BIL

2 stops21h 43mMultiple Airlines

Deal found 12/10£536

Tue 17/305:20FCA - LHR

1 stop22h 40mDelta

Mon 23/311:05LHR - FCA

1 stop32h 46mDelta

Deal found 12/10£600

Fri 28/1114:38FCA - LHR

1 stop12h 02mUnited Airlines

Fri 5/1211:35LHR - FCA

1 stop17h 11mUnited Airlines

Deal found 13/10£506

Last-minute flights from Montana to Heathrow
Discover last-minute flight deals from Montana to Heathrow. Data last updated 14 October 2025 and is based on user searches.

Mon 20/1017:18HLN - LHR

1 stop12h 02mUnited Airlines

Mon 27/1013:50LHR - HLN

2 stops53h 37mUnited Airlines

Deal found 13/10£472

Tue 21/1005:45HLN - LHR

1 stop21h 05mDelta

Wed 29/1020:00LHR - HLN

2 stops22h 20mDelta

Deal found 13/10£453

Wed 29/1013:08GTF - LHR

1 stop14h 52mKLM

Sun 2/1120:25LHR - GTF

2 stops28h 04mKLM

Deal found 13/10£482

Tue 4/1107:25BZN - LHR

1 stop20h 05mDelta

Fri 19/1211:05LHR - BZN

1 stop19h 41mDelta

Deal found 14/10£450

Wed 5/1114:31BIL - LHR

1 stop12h 09mUnited Airlines

Wed 12/1111:10LHR - BIL

2 stops18h 39mUnited Airlines

Deal found 13/10£464

Sun 9/1114:35BZN - LHR

1 stop14h 05mKLM

Sun 16/1120:25LHR - BZN

2 stops28h 29mKLM

Deal found 13/10£482

Mon 10/1113:13MSO - LHR

1 stop13h 47mDelta

Sun 23/1108:40LHR - MSO

2 stops20h 06mDelta

Deal found 13/10£466

Thu 27/1108:00MSO - LHR

1 stop16h 05mVirgin Atlantic

Thu 4/1208:40LHR - MSO

2 stops20h 13mVirgin Atlantic

Deal found 13/10£482

Thu 27/1105:00BIL - LHR

1 stop21h 40mUnited Airlines

Thu 4/1206:35LHR - BIL

2 stops21h 46mUnited Airlines

Deal found 13/10£483

Thu 27/1106:40HLN - LHR

1 stop20h 00mUnited Airlines

Thu 4/1206:35LHR - HLN

2 stops38h 12mUnited Airlines

Deal found 13/10£483

Thu 27/1105:30HLN - LHR

2 stops18h 35mDelta

Thu 4/1206:20LHR - HLN

2 stops23h 10mDelta

Deal found 13/10£484

Fri 28/1105:00FCA - LHR

1 stop22h 00mDelta

Fri 5/1206:20LHR - FCA

2 stops23h 50mDelta

Deal found 13/10£481

One-way flights from Montana to Heathrow
Search for one-way flight options from Montana to Heathrow. Find affordable one-way fares based on user searches. Data last updated 14 October 2025.

Wed 3/1214:00FCA - LHR

2 stops39h 50mMultiple Airlines

Deal found 12/10£297

Wed 29/1018:50GTF - LHR

3 stops36h 00mMultiple Airlines

Deal found 12/10£364

Sun 14/1214:42BZN - LHR

1 stop11h 58mLufthansa

Deal found 13/10£404

Sun 14/1206:30BZN - LHR

2 stops17h 10mUnited Airlines

Deal found 13/10£406

Wed 29/1013:08GTF - LHR

1 stop14h 52mKLM

Deal found 12/10£412

Cheap flight deals from Montana to Heathrow

Round-trip from	£450
One-way from	£297
Popular in	December
Cheapest in	October
Average price	£516

Delta
4/11-19/12
2 total stops
39h 46m total
Montana to London

Search Deals

3/12
2 total stops
39h 50m total
Montana to London

Search Deals

Highest demand for flights based on searches. 7% potential increase in price (£47 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 5% potential price decrease (£27 potential savings vs. average return price).

Search Deals

Average for round-trip flights in October 2025

Search Deals

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

BozemanLondon

BZN - LHR

BZNLHR

Bozeman Gallatin Field

Thu 8/1

12:00-12:20

1 stop17h 20m

London Heathrow

Mon 12/1

14:55-23:35

1 stop15h 40m

£397

BozemanLondon

BZN - LHR

BZNLHR

Bozeman Gallatin Field

Thu 15/1

15:03-07:10

1 stop33h 07m

London Heathrow

Thu 12/3

14:55-10:48

1 stop25h 53m

£425

MissoulaLondon

MSO - LHR

MSOLHR

Missoula Johnson-Bell Field

Tue 13/1

08:00-07:05

1 stop16h 05m

London Heathrow

Tue 27/1

06:20-20:17

2 stops20h 57m

£450

BozemanLondon

BZN - LHR

BZNLHR

Bozeman Gallatin Field

Fri 27/2

08:00-07:10

1 stop16h 10m

London Heathrow

Mon 2/3

14:55-22:48

1 stop14h 53m

£453

MissoulaLondon

MSO - LHR

MSOLHR

Missoula Johnson-Bell Field

Tue 13/1

12:50-10:00

1 stop14h 10m

London Heathrow

Tue 27/1

10:45-17:27

1 stop13h 42m

£456

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

Wed 5/11

05:00-05:55

2 stops17h 55m

London Heathrow

Wed 12/11

11:10-22:49

2 stops18h 39m

£467

KalispellLondon

FCA - LHR

FCALHR

Kalispell Glacier Park

Fri 28/11

05:00-10:00

1 stop22h 00m

London Heathrow

Fri 5/12

06:20-23:10

2 stops23h 50m

£481

Great FallsLondon

GTF - LHR

GTFLHR

Great Falls

Wed 29/10

13:08-10:00

1 stop14h 52m

London Heathrow

Sun 2/11

20:25-17:29

2 stops28h 04m

£482

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

Thu 27/11

05:00-09:40

1 stop21h 40m

London Heathrow

Thu 4/12

06:35-21:21

2 stops21h 46m

£483

HelenaLondon

HLN - LHR

HLNLHR

Helena

Thu 27/11

05:30-07:05

2 stops18h 35m

London Heathrow

Thu 4/12

06:20-22:30

2 stops23h 10m

£484

Flights are sorted by cheapest return flights first.

Deals found on 12/10

Showing 1-10 of 42 results

...

Best time to book a flight from Montana to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Montana 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 Montana to London Heathrow Airport

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

Currently, August is the cheapest month in which you can book a flight from Montana to London Heathrow Airport (average of £477). Flying from Montana to London Heathrow Airport in June is currently the most expensive (average of £866). 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.

Related info for your journey

How long is the flight from Montana to London Heathrow Airport?
Airlines like Alaska Airlines, KLM, and United Airlines fly from Montana to London Heathrow Airport in about 12h 09m. The time it takes to get you to your destination can typically vary by up to 5h 11m. Airlines will cover a distance of 4473 mi. This flight may include one or multiple stops.
What are the cheapest airlines to fly from Montana to London Heathrow Airport one-way?
£406 is the cheapest one-way deal found within the past few days, from Air France. You may also be able to find cheap deals on United Airlines and KLM, with prices starting from £406 and £412, respectively.
What are the most popular routes from Montana to London Heathrow Airport?
The most popular flight routes from Montana to London Heathrow Airport are Missoula Johnson-Bell Field - London Heathrow, Bozeman Gallatin Field - London Heathrow and Billings Logan Intl - London Heathrow.
Can I find deals for flights from Montana to Heathrow that include hotel bookings?
Yes. In addition to deals on Montana to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Montana to Heathrow?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Montana to Heathrow.
Can I find deals for business class flights from Montana to Heathrow?
Yes. Cheapflights offers flight deals from Montana to Heathrow 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 Heathrow Airport?
Currently, August is the cheapest month in which you can book a flight from Montana to London Heathrow Airport (average of £477). Flying from Montana to London Heathrow Airport in June is currently the most expensive (average of £866). 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.

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Cheap flights from Montana to London Heathrow Airport from £297

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 3/12. Fares are subject to change and may not be available on all flights or dates of travel.

Find flight deals from Montana to Heathrow

Cheapest flights from Montana to HeathrowExplore the most affordable flight options available from Montana to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 14 October 2025.

Explore the most affordable flight options available from Montana to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 14 October 2025.

Cheap flight deals from Montana to Heathrow

Keep the following information in mind while searching for Montana to Heathrow flight deals. Data was last updated 14 October 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

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

Best time to book a flight from Montana to Heathrow

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

Cheapflights Insights

Everything you need to know about your flight from Montana to London Heathrow Airport

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

Related info for your journey

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

How long is the flight from Montana to London Heathrow Airport?

What are the cheapest airlines to fly from Montana to London Heathrow Airport one-way?

What are the most popular routes from Montana to London Heathrow Airport?

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

How can I find direct flights from Montana to Heathrow?

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

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

Travelling to a place near London Heathrow Airport?

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Alternative routes for Montana to Heathrow

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How does Cheapflights help users find flights from Montana to Heathrow?

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

Can Cheapflights find flights from Montana to Heathrow with no change fees?

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

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Cheapest flights from Montana to Heathrow
Explore the most affordable flight options available from Montana to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 14 October 2025.