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

Airlines like Delta, KLM, and Virgin Atlantic fly from Montana to London Heathrow Airport in about 13h 43m. The time it takes to get you to your destination can typically vary by up to 7h 24m. Airlines will cover a distance of 4583 mi. This flight may include one or multiple stops.

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 Bozeman Gallatin Field - London Heathrow, Missoula Johnson-Bell Field - London Heathrow and Great Falls - London Heathrow.

What is the cheapest month to fly from Montana to London Heathrow Airport?

October can be a great time to fly to London Heathrow Airport from Montana with a flight ticket averaging about £689. Cheapflights users have found deals in the month of October for as cheap as £472. The most expensive prices can be found in the month of July.

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.

£278+ Cheap Flights from Montana to London Heathrow Airport

Q: How much does it cost for a return flight from Montana to London Heathrow Airport?

Airfare is below average for this route at the moment. Montana to London Heathrow Airport flights typically cost between £571 and £590 in October. The cheapest return flight price found within the last 3 days was £461 on Delta (15 Oct-22 Oct).

Cheap flight deals from Montana to Heathrow

Round-trip from	£433
One-way from	£278
Popular in	July
Cheapest in	October
Average price	£619

Delta
14/10-22/10
4 total stops
36h 28m total
Montana to London

Search Deals

30/12
3 total stops
38h 53m total
Montana to London

Search Deals

Highest demand for flights based on searches. 23% potential increase in price (£154 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 September 2025

Search Deals

Find flight deals from Montana to Heathrow

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 12 September 2025.

Tue 14/1018:10BTM - LHR

2 stops18h 50mDelta

Wed 22/1006:30LHR - BTM

2 stops17h 38mDelta

Deal found 11/9£433

Mon 20/1013:07MSO - LHR

1 stop13h 43mKLM

Tue 4/1106:30LHR - MSO

2 stops22h 10mKLM

Deal found 10/9£456

Wed 1/1011:33BIL - LHR

1 stop15h 17mDelta

Wed 8/1006:15LHR - BIL

2 stops23h 10mDelta

Deal found 11/9£460

Mon 29/905:40GTF - LHR

1 stop21h 10mDelta

Wed 8/1006:15LHR - GTF

2 stops18h 14mDelta

Deal found 11/9£460

Wed 26/1105:25MSO - LHR

1 stop21h 35mMultiple Airlines

Wed 3/1208:40LHR - MSO

2 stops20h 12mMultiple Airlines

Deal found 10/9£461

Wed 15/1005:35BZN - LHR

1 stop21h 15mDelta

Wed 22/1009:55LHR - BZN

2 stops19h 19mDelta

Deal found 11/9£461

Wed 5/1111:45BIL - LHR

2 stops14h 00mMultiple Airlines

Wed 12/1106:20LHR - BIL

2 stops18h 24mMultiple Airlines

Deal found 11/9£464

Wed 1/1011:33BIL - LHR

2 stops21h 07mVirgin Atlantic

Wed 8/1009:55LHR - BIL

2 stops19h 30mVirgin Atlantic

Deal found 11/9£464

Wed 26/1105:25MSO - LHR

2 stops20h 35mDelta

Wed 3/1208:40LHR - MSO

2 stops20h 12mDelta

Deal found 11/9£464

Wed 15/1011:40BZN - LHR

1 stop15h 10mKLM

Wed 22/1011:00LHR - BZN

1 stop20h 04mKLM

Deal found 11/9£466

Wed 1/1011:33BIL - LHR

1 stop15h 17mKLM

Wed 8/1012:45LHR - BIL

1 stop17h 33mKLM

Deal found 11/9£466

Sun 5/1018:11GTF - LHR

1 stop32h 39mDelta

Tue 14/1010:55LHR - GTF

1 stop13h 34mDelta

Deal found 11/9£466

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 12 September 2025.

Tue 14/1018:10BTM - LHR

2 stops18h 50mDelta

Wed 22/1006:30LHR - BTM

2 stops17h 38mDelta

Deal found 11/9£433

Mon 20/1013:07MSO - LHR

1 stop13h 43mKLM

Tue 4/1106:30LHR - MSO

2 stops22h 10mKLM

Deal found 10/9£456

Wed 5/1111:45BIL - LHR

1 stop15h 15mMultiple Airlines

Wed 12/1106:20LHR - BIL

2 stops18h 24mMultiple Airlines

Deal found 11/9£460

Wed 1/1011:33BIL - LHR

2 stops21h 07mVirgin Atlantic

Wed 8/1009:55LHR - BIL

2 stops19h 30mVirgin Atlantic

Deal found 11/9£464

Wed 15/1009:47BTM - LHR

1 stop19h 33mUnited Airlines

Wed 22/1008:30LHR - BTM

2 stops44h 51mUnited Airlines

Deal found 11/9£510

Wed 5/1105:00BIL - LHR

3 stops18h 30mAir Canada

Wed 12/1113:00LHR - BIL

3 stops27h 46mAir Canada

Deal found 11/9£539

Wed 1/1011:33BIL - LHR

1 stop15h 17mDelta

Wed 8/1006:15LHR - BIL

2 stops23h 10mDelta

Deal found 11/9£460

Wed 26/1105:25MSO - LHR

1 stop21h 35mMultiple Airlines

Wed 3/1208:40LHR - MSO

2 stops20h 12mMultiple Airlines

Deal found 10/9£461

Wed 15/1011:40BZN - LHR

1 stop15h 10mKLM

Wed 22/1011:00LHR - BZN

1 stop20h 04mKLM

Deal found 11/9£466

Wed 8/1013:00HLN - LHR

2 stops18h 15mVirgin Atlantic

Wed 15/1009:55LHR - HLN

2 stops19h 21mVirgin Atlantic

Deal found 10/9£469

Mon 29/913:05GTF - LHR

1 stop13h 45mDelta

Wed 8/1006:15LHR - GTF

2 stops18h 14mDelta

Deal found 10/9£460

Tue 11/1111:40BZN - LHR

1 stop15h 20mKLM

Wed 19/1112:20LHR - BZN

1 stop17h 09mKLM

Deal found 11/9£466

Last-minute flights from Montana to Heathrow
Discover last-minute flight deals from Montana to Heathrow. Data last updated 12 September 2025 and is based on user searches.

Mon 29/905:40GTF - LHR

1 stop21h 10mDelta

Wed 8/1006:15LHR - GTF

2 stops18h 14mDelta

Deal found 11/9£460

Tue 30/913:05GTF - LHR

2 stops23h 55mDelta

Wed 8/1011:00LHR - GTF

1 stop13h 29mDelta

Deal found 11/9£469

Wed 1/1011:33BIL - LHR

1 stop15h 17mDelta

Wed 8/1006:15LHR - BIL

2 stops23h 10mDelta

Deal found 11/9£460

Wed 1/1011:33BIL - LHR

2 stops21h 07mVirgin Atlantic

Wed 8/1009:55LHR - BIL

2 stops19h 30mVirgin Atlantic

Deal found 11/9£464

Wed 1/1011:33BIL - LHR

1 stop15h 17mKLM

Wed 8/1012:45LHR - BIL

1 stop17h 33mKLM

Deal found 11/9£466

Sun 5/1018:11GTF - LHR

1 stop32h 39mDelta

Tue 14/1010:55LHR - GTF

1 stop13h 34mDelta

Deal found 11/9£466

Wed 8/1013:00HLN - LHR

2 stops18h 15mVirgin Atlantic

Wed 15/1009:55LHR - HLN

2 stops19h 21mVirgin Atlantic

Deal found 10/9£469

Tue 14/1018:10BTM - LHR

2 stops18h 50mDelta

Wed 22/1006:30LHR - BTM

2 stops17h 38mDelta

Deal found 11/9£433

Wed 15/1005:35BZN - LHR

1 stop21h 15mDelta

Wed 22/1009:55LHR - BZN

2 stops19h 19mDelta

Deal found 11/9£461

Wed 15/1011:40BZN - LHR

1 stop15h 10mKLM

Wed 22/1011:00LHR - BZN

1 stop20h 04mKLM

Deal found 11/9£466

Mon 20/1013:07MSO - LHR

1 stop13h 43mKLM

Tue 4/1106:30LHR - MSO

2 stops22h 10mKLM

Deal found 10/9£456

Mon 20/1013:07MSO - LHR

2 stops17h 23mDelta

Tue 4/1108:55LHR - MSO

2 stops19h 45mDelta

Deal found 10/9£469

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 12 September 2025.

Tue 30/1214:57BZN - LHR

3 stops38h 53mMultiple Airlines

Deal found 10/9£278

Wed 31/1211:52BZN - LHR

1 stop12h 03mJetBlue

Deal found 10/9£279

Sat 27/1214:57BZN - LHR

2 stops38h 53mMultiple Airlines

Deal found 10/9£295

Wed 31/1214:57BZN - LHR

3 stops38h 53mMultiple Airlines

Deal found 10/9£296

Mon 29/1206:09BZN - LHR

3 stops23h 41mMultiple Airlines

Deal found 10/9£305

Sun 28/1206:09BZN - LHR

2 stops23h 41mMultiple Airlines

Deal found 10/9£325

Mon 29/1214:40BZN - LHR

1 stop12h 00mLufthansa

Deal found 10/9£327

Mon 29/1212:42BZN - LHR

2 stops15h 08mUnited Airlines

Deal found 10/9£329

Sun 28/1206:15BZN - LHR

1 stop20h 25mUnited Airlines

Deal found 10/9£332

Sat 20/912:20BZN - LHR

1 stop36h 20mUnited Airlines

Deal found 10/9£334

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

ButteLondon

BTM - LHR

BTMLHR

Butte Silver Bow Co

Tue 14/10

18:10-20:00

2 stops18h 50m

London Heathrow

Wed 22/10

06:30-17:08

2 stops17h 38m

£433

MissoulaLondon

MSO - LHR

MSOLHR

Missoula Johnson-Bell Field

Mon 20/10

13:07-09:50

1 stop13h 43m

London Heathrow

Tue 4/11

06:30-21:40

2 stops22h 10m

£456

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

Wed 5/11

11:45-10:00

1 stop15h 15m

London Heathrow

Wed 12/11

06:20-17:44

2 stops18h 24m

£460

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

Wed 1/10

11:33-09:50

1 stop15h 17m

London Heathrow

Wed 8/10

06:15-22:25

2 stops23h 10m

£460

Great FallsLondon

GTF - LHR

GTFLHR

Great Falls

Mon 29/9

13:05-09:50

1 stop13h 45m

London Heathrow

Wed 8/10

06:15-17:29

2 stops18h 14m

£460

Great FallsLondon

GTF - LHR

GTFLHR

Great Falls

Tue 30/9

13:05-09:50

1 stop13h 45m

London Heathrow

Wed 8/10

06:15-17:29

2 stops18h 14m

£460

MissoulaLondon

MSO - LHR

MSOLHR

Missoula Johnson-Bell Field

Wed 26/11

05:25-10:00

1 stop21h 35m

London Heathrow

Wed 3/12

08:40-21:52

2 stops20h 12m

£461

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

Wed 1/10

11:33-15:40

2 stops21h 07m

London Heathrow

Wed 8/10

09:55-22:25

2 stops19h 30m

£464

MissoulaLondon

MSO - LHR

MSOLHR

Missoula Johnson-Bell Field

Wed 26/11

05:25-09:00

2 stops20h 35m

London Heathrow

Wed 3/12

08:40-21:52

2 stops20h 12m

£464

BozemanLondon

BZN - LHR

BZNLHR

Bozeman Gallatin Field

Wed 15/10

11:40-09:50

1 stop15h 10m

London Heathrow

Wed 22/10

11:00-00:04

1 stop20h 04m

£466

Flights are sorted by cheapest return flights first.

Deals found on 10/9

Showing 1-10 of 40 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, January is the cheapest month in which you can book a flight from Montana to London Heathrow Airport (average of £112). Flying from Montana to London Heathrow Airport 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.

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

Related info for your journey

How long is the flight from Montana to London Heathrow Airport?
Airlines like Delta, KLM, and Virgin Atlantic fly from Montana to London Heathrow Airport in about 13h 43m. The time it takes to get you to your destination can typically vary by up to 7h 24m. Airlines will cover a distance of 4583 mi. This flight may include one or multiple stops.
What are the most popular routes from Montana to London Heathrow Airport?
The most popular flight routes from Montana to London Heathrow Airport are Bozeman Gallatin Field - London Heathrow, Missoula Johnson-Bell Field - London Heathrow and Great Falls - 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, January is the cheapest month in which you can book a flight from Montana to London Heathrow Airport (average of £112). Flying from Montana to London Heathrow Airport 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

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Slough

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Deal

Wembley

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

When you search for this flight from Montana to Heathrow, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

Millions of users choose and trust Cheapflights to book the best flight deals from Montana to Heathrow for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Need flexible booking options for your flight to Heathrow from Montana? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Not ready to book yet? You can track prices for flights from Montana to Heathrow on Cheapflights with our Price Alert feature and get notified when better prices are available.

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Cheap flights from Montana to London Heathrow Airport from £278

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 30/12. Fares are subject to change and may not be available on all flights or dates of travel.

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 12 September 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

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 12 September 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 12 September 2025.

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?

How much does it cost for a return 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 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?

Browse thousands of different options on Cheapflights for your next trip

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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 12 September 2025.