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

£377 is the cheapest one-way deal found within the past few days, from KLM. You may also be able to find cheap deals on American Airlines and United Airlines, with prices starting from £377 and £493, 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 Bozeman Gallatin Field - London Heathrow, Missoula Johnson-Bell Field - London Heathrow and Billings Logan Intl - London Heathrow.

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

February can be a great time to fly to London Heathrow Airport from Montana with a flight ticket averaging about £676. Cheapflights users have found deals in the month of February for as cheap as £574. The most expensive prices can be found in the month of June.

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.

£334+ Flights from Montana to London Heathrow Airport

Cheap flight deals from Montana to Heathrow

Round-trip from	£586
One-way from	£334
Popular in	June
Cheapest in	February
Average price	£596

United Airlines
24/9-15/10
3 total stops
53h 20m total
Montana to London

Search Deals

27/4
2 total stops
17h 31m total
Montana to London

Search Deals

Highest demand for flights based on searches. 22% potential increase in price (£152 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 March 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 30 March 2025.

Wed 24/916:15FCA - LHR

1 stop14h 55mUnited Airlines

Wed 15/1014:05LHR - FCA

2 stops38h 25mUnited Airlines

Deal found 29/3£586

Wed 12/1114:27MSO - LHR

1 stop12h 13mUnited Airlines

Tue 18/1114:30LHR - MSO

2 stops32h 40mUnited Airlines

Deal found 29/3£586

Wed 12/1105:40MSO - LHR

1 stop21h 20mMultiple Airlines

Tue 18/1110:45LHR - MSO

1 stop13h 37mMultiple Airlines

Deal found 29/3£604

Mon 28/414:14FCA - LHR

1 stop15h 56mMultiple Airlines

Mon 5/519:45LHR - FCA

2 stops28h 22mMultiple Airlines

Deal found 30/3£607

Mon 28/412:32FCA - LHR

2 stops17h 58mVirgin Atlantic

Mon 5/519:45LHR - FCA

2 stops35h 45mVirgin Atlantic

Deal found 30/3£610

Wed 24/905:25FCA - LHR

2 stops21h 50mDelta

Wed 15/1006:15LHR - FCA

2 stops18h 30mDelta

Deal found 29/3£616

Tue 13/514:40BIL - LHR

1 stop14h 40mUnited Airlines

Tue 20/514:05LHR - BIL

2 stops34h 11mUnited Airlines

Deal found 28/3£622

Fri 19/916:22BZN - LHR

1 stop12h 58mUnited Airlines

Fri 26/914:05LHR - BZN

2 stops30h 23mUnited Airlines

Deal found 30/3£625

Sat 19/407:50MSO - LHR

1 stop22h 20mKLM

Wed 30/411:45LHR - MSO

2 stops15h 40mKLM

Deal found 30/3£632

Thu 25/911:50BZN - LHR

2 stops18h 20mDelta

Tue 7/1006:30LHR - BZN

2 stops17h 05mDelta

Deal found 29/3£635

Thu 16/1005:40MSO - LHR

2 stops24h 30mDelta

Thu 13/1106:30LHR - MSO

2 stops24h 22mDelta

Deal found 29/3£635

Thu 25/907:25BZN - LHR

1 stop23h 50mKLM

Tue 7/1012:25LHR - BZN

1 stop18h 32mKLM

Deal found 29/3£643

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 30 March 2025.

Wed 24/916:15FCA - LHR

1 stop14h 55mUnited Airlines

Wed 15/1014:05LHR - FCA

2 stops38h 25mUnited Airlines

Deal found 29/3£586

Mon 28/414:14FCA - LHR

1 stop15h 56mMultiple Airlines

Mon 5/519:45LHR - FCA

2 stops28h 22mMultiple Airlines

Deal found 30/3£607

Mon 28/412:32FCA - LHR

2 stops17h 58mVirgin Atlantic

Mon 5/519:45LHR - FCA

2 stops35h 45mVirgin Atlantic

Deal found 30/3£610

Wed 24/905:25FCA - LHR

2 stops21h 50mDelta

Wed 15/1006:15LHR - FCA

2 stops18h 30mDelta

Deal found 29/3£616

Sat 19/407:50MSO - LHR

1 stop22h 20mKLM

Wed 30/411:45LHR - MSO

2 stops15h 40mKLM

Deal found 30/3£632

Wed 20/813:45BZN - LHR

1 stop14h 10mAmerican Airlines

Mon 25/809:15LHR - BZN

2 stops16h 24mAmerican Airlines

Deal found 29/3£698

Wed 14/507:00BIL - LHR

3 stops16h 30mAir Canada

Wed 21/515:50LHR - BIL

3 stops24h 47mAir Canada

Deal found 29/3£749

Sat 19/417:15MSO - LHR

2 stops30h 40mUnited Airlines

Wed 30/409:30LHR - MSO

2 stops37h 33mUnited Airlines

Deal found 29/3£590

Thu 25/911:50BZN - LHR

2 stops18h 20mDelta

Tue 7/1006:30LHR - BZN

2 stops17h 05mDelta

Deal found 29/3£635

Thu 25/907:25BZN - LHR

1 stop23h 50mKLM

Tue 7/1012:25LHR - BZN

1 stop18h 32mKLM

Deal found 29/3£643

Tue 13/514:40BIL - LHR

1 stop14h 40mUnited Airlines

Tue 20/514:05LHR - BIL

2 stops34h 11mUnited Airlines

Deal found 28/3£622

Sun 11/513:22MSO - LHR

2 stops16h 18mAmerican Airlines

Sat 24/516:25LHR - MSO

1 stop27h 01mAmerican Airlines

Deal found 29/3£725

Last-minute flights from Montana to Heathrow
Discover last-minute flight deals from Montana to Heathrow. Data last updated 30 March 2025 and is based on user searches.

Mon 31/306:15MSO - LHR

2 stops20h 45mMultiple Airlines

Mon 7/415:50LHR - MSO

2 stops28h 41mMultiple Airlines

Deal found 30/3£766

Wed 2/412:40BZN - LHR

1 stop16h 05mUnited Airlines

Mon 7/409:30LHR - BZN

2 stops34h 31mUnited Airlines

Deal found 30/3£760

Wed 2/412:40BZN - LHR

2 stops14h 20mMultiple Airlines

Mon 7/417:40LHR - BZN

2 stops26h 21mMultiple Airlines

Deal found 29/3£765

Wed 2/415:10BZN - LHR

1 stop15h 20mKLM

Mon 7/412:25LHR - BZN

1 stop18h 06mKLM

Deal found 29/3£778

Fri 4/406:10FCA - LHR

2 stops20h 50mUnited Airlines

Fri 11/414:05LHR - FCA

2 stops38h 54mUnited Airlines

Deal found 30/3£760

Wed 9/414:10BZN - LHR

1 stop15h 10mUnited Airlines

Mon 14/413:30LHR - BZN

2 stops41h 00mUnited Airlines

Deal found 29/3£1,008

Wed 9/414:30BZN - LHR

1 stop16h 00mKLM

Mon 14/412:25LHR - BZN

1 stop18h 30mKLM

Deal found 29/3£1,044

Fri 11/413:32MSO - LHR

1 stop17h 53mAmerican Airlines

Sun 13/415:10LHR - MSO

1 stop28h 49mAmerican Airlines

Deal found 29/3£1,096

Thu 17/406:45HLN - LHR

1 stop19h 55mUnited Airlines

Mon 21/409:30LHR - HLN

2 stops42h 55mUnited Airlines

Deal found 29/3£799

Sat 19/417:15MSO - LHR

2 stops30h 40mUnited Airlines

Wed 30/409:30LHR - MSO

2 stops37h 33mUnited Airlines

Deal found 29/3£590

Sat 19/407:50MSO - LHR

1 stop22h 20mKLM

Wed 30/411:45LHR - MSO

2 stops15h 40mKLM

Deal found 30/3£632

Mon 28/414:14FCA - LHR

1 stop15h 56mMultiple Airlines

Mon 5/519:45LHR - FCA

2 stops28h 22mMultiple Airlines

Deal found 30/3£607

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 30 March 2025.

Sun 27/411:24BZN - LHR

2 stops17h 31mMultiple Airlines

Deal found 28/3£334

Sun 27/414:30BZN - LHR

1 stop13h 40mKLM

Deal found 28/3£377

Sun 11/513:22MSO - LHR

2 stops16h 18mAmerican Airlines

Deal found 29/3£377

Thu 15/515:17MSO - LHR

2 stops37h 48mMultiple Airlines

Deal found 28/3£396

Sun 11/514:35MSO - LHR

3 stops33h 00mUnited Airlines

Deal found 29/3£493

Mon 2/611:30BIL - LHR

1 stop15h 20mKLM

Deal found 29/3£640

Mon 2/605:00BIL - LHR

3 stops18h 35mAir Canada

Deal found 30/3£644

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

KalispellLondon

FCA - LHR

FCALHR

Kalispell Glacier Park

Wed 24/9

16:15-14:10

1 stop14h 55m

London Heathrow

Wed 15/10

14:05-21:30

2 stops38h 25m

£586

MissoulaLondon

MSO - LHR

MSOLHR

Missoula Johnson-Bell Field

Sat 19/4

17:15-06:55

2 stops30h 40m

London Heathrow

Wed 30/4

09:30-16:03

2 stops37h 33m

£590

KalispellLondon

FCA - LHR

FCALHR

Kalispell Glacier Park

Mon 28/4

14:14-13:10

1 stop15h 56m

London Heathrow

Mon 5/5

19:45-17:07

2 stops28h 22m

£607

KalispellLondon

FCA - LHR

FCALHR

Kalispell Glacier Park

Mon 28/4

12:32-13:30

2 stops17h 58m

London Heathrow

Mon 5/5

19:45-00:30

2 stops35h 45m

£610

KalispellLondon

FCA - LHR

FCALHR

Kalispell Glacier Park

Wed 24/9

05:25-10:15

2 stops21h 50m

London Heathrow

Wed 15/10

06:15-17:45

2 stops18h 30m

£616

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

Tue 13/5

14:40-12:20

1 stop14h 40m

London Heathrow

Tue 20/5

14:05-17:16

2 stops34h 11m

£622

BozemanLondon

BZN - LHR

BZNLHR

Bozeman Gallatin Field

Fri 19/9

07:00-12:20

1 stop22h 20m

London Heathrow

Fri 26/9

14:05-13:28

2 stops30h 23m

£625

MissoulaLondon

MSO - LHR

MSOLHR

Missoula Johnson-Bell Field

Sat 19/4

07:50-13:10

1 stop22h 20m

London Heathrow

Wed 30/4

11:45-20:25

2 stops15h 40m

£632

BozemanLondon

BZN - LHR

BZNLHR

Bozeman Gallatin Field

Thu 25/9

11:50-13:10

2 stops18h 20m

London Heathrow

Tue 7/10

06:30-16:35

2 stops17h 05m

£635

BozemanLondon

BZN - LHR

BZNLHR

Bozeman Gallatin Field

Thu 25/9

07:25-14:15

1 stop23h 50m

London Heathrow

Tue 7/10

12:25-23:57

1 stop18h 32m

£643

Flights are sorted by cheapest return flights first.

Deals found on 28/3

Showing 1-10 of 37 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.

Rainfall in Heathrow by month

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.

Temperature in Heathrow by month

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).

Reviews of airlines servicing Heathrow

To help decide which airline to fly from Montana to London, see what other customers have to say about Alaska Airlines, Delta and KLM. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Alaska Airlines

8.0

Very Good

9,811 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Alaska Airlines

8.0

Very Good

9,811 reviews

Alaska Airlines

8.0

Very Good

9,811 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Delta

8.0

Very Good

7,897 reviews

Alaska Airlines

8.0

Very Good

9,811 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

KLM

7.8

Good

1,321 reviews

Alaska Airlines

8.0

Very Good

9,811 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

United Airlines

7.4

Good

8,612 reviews

Alaska Airlines

8.0

Very Good

9,811 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Virgin Atlantic

7.4

Good

635 reviews

Alaska Airlines

8.0

Very Good

9,811 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Related info for your journey

What are the cheapest airlines to fly from Montana to London Heathrow Airport one-way?
£377 is the cheapest one-way deal found within the past few days, from KLM. You may also be able to find cheap deals on American Airlines and United Airlines, with prices starting from £377 and £493, 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 Bozeman Gallatin Field - London Heathrow, Missoula Johnson-Bell 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, 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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Milton Keynes

Gatwick

Croydon

Luton

Slough

Eastbourne

Wembley

Northampton

Swindon

Hayes

Ilford

Crawley

Southend-on-Sea

Winchester

Maidstone

Ipswich

Watford

Southall

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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 £334

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 27/4. 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 30 March 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 30 March 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 30 March 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?

Rainfall in Heathrow by month

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

Temperature in Heathrow by month

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

Reviews of airlines servicing Heathrow

To help decide which airline to fly from Montana to London, see what other customers have to say about Alaska Airlines, Delta and KLM. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

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.

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 Montana?

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 Montana to Heathrow

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 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 30 March 2025.