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

Airlines like United Airlines, Alaska Airlines, and Virgin Atlantic fly from Montana to London Heathrow Airport in about 14h 10m. The time it takes to get you to your destination can typically vary by up to 20h 33m. 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 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.

£249+ Cheap Flights from Montana to London Heathrow Airport

Cheap flight deals from Montana to Heathrow

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

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 2 October 2026.

Wed 28/1006:00 -

1 stop18h 50m

Wed 4/1108:10 -

2 stops19h 30m

Deal found 29/9£677

Mon 9/1112:25 -

1 stop14h 35m

Thu 19/1120:25 -

2 stops28h 12m

Deal found 28/9£682

Mon 9/1112:25 -

2 stops16h 15m

Thu 19/1117:05 -

2 stops31h 32m

Deal found 28/9£686

Mon 30/1107:00 -

1 stop19h 40m

Mon 7/1216:40 -

2 stops35h 49m

Deal found 28/9£690

Tue 17/1110:30 -

1 stop16h 10m

Mon 23/1116:40 -

2 stops35h 34m

Deal found 30/9£711

Sun 15/1106:00 -

2 stops17h 50m

Sun 22/1106:30 -

2 stops23h 53m

Deal found 1/10£714

Thu 12/1113:23 -

1 stop15h 47m

Thu 19/1108:25 -

2 stops20h 19m

Deal found 28/9£715

Wed 4/1113:06 -

1 stop12h 29m

Sat 14/1108:35 -

2 stops19h 05m

Deal found 29/9£715

Thu 12/1113:06 -

2 stops15h 54m

Thu 19/1108:25 -

2 stops20h 04m

Deal found 28/9£718

Thu 12/1113:13 -

2 stops17h 32m

Thu 19/1117:50 -

2 stops30h 49m

Deal found 28/9£718

Sun 15/1113:23 -

2 stops15h 37m

Sun 22/1108:25 -

2 stops20h 19m

Deal found 1/10£718

Thu 12/1114:30 -

1 stop14h 10m

Thu 19/1106:30 -

2 stops23h 35m

Deal found 28/9£720

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 2 October 2026.

Tue 2/314:42 -

3 stops34h 43m

Fri 5/307:30 -

2 stops20h 21m

Deal found 27/9£577

Sun 21/314:00 -

1 stop15h 40m

Fri 2/409:55 -

2 stops19h 26m

Deal found 27/9£665

Tue 2/314:03 -

1 stop15h 17m

Fri 5/314:45 -

1 stop16h 23m

Deal found 27/9£665

Tue 19/112:50 -

1 stop14h 10m

Tue 26/115:45 -

2 stops35h 27m

Deal found 30/9£676

Thu 12/1114:30 -

1 stop14h 10m

Thu 19/1106:30 -

2 stops23h 35m

Deal found 28/9£720

Tue 2/316:13 -

1 stop13h 07m

Fri 5/314:45 -

1 stop16h 14m

Deal found 28/9£665

Sun 10/107:00 -

2 stops22h 00m

Tue 19/107:30 -

2 stops21h 00m

Deal found 30/9£673

Tue 30/312:50 -

1 stop14h 10m

Fri 2/411:45 -

2 stops19h 46m

Deal found 29/9£681

Tue 2/314:10 -

1 stop15h 10m

Fri 5/314:45 -

1 stop16h 14m

Deal found 30/9£665

Wed 3/306:00 -

2 stops17h 20m

Tue 16/308:55 -

2 stops19h 26m

Deal found 30/9£686

Tue 2/313:40 -

1 stop14h 35m

Fri 5/311:35 -

1 stop16h 55m

Deal found 1/10£686

Sun 10/107:00 -

1 stop22h 20m

Tue 19/114:45 -

1 stop15h 12m

Deal found 30/9£665

Sat 9/114:29 -

2 stops23h 51m

Thu 14/111:35 -

1 stop16h 55m

Deal found 30/9£689

Sat 9/105:25 -

2 stops42h 25m

Thu 14/106:20 -

2 stops23h 47m

Deal found 30/9£694

Tue 2/309:45 -

2 stops15h 10m

Fri 5/307:40 -

2 stops20h 46m

Deal found 28/9£698

Sun 15/1105:30 -

2 stops22h 15m

Sun 22/1109:50 -

1 stop17h 07m

Deal found 1/10£764

Thu 12/1106:30 -

1 stop20h 10m

Thu 19/1106:35 -

2 stops22h 03m

Deal found 28/9£721

Mon 7/1213:50 -

1 stop15h 30m

Sat 9/114:45 -

1 stop14h 57m

Deal found 1/10£814

Thu 12/1114:36 -

1 stop12h 04m

Thu 19/1106:35 -

2 stops37h 59m

Deal found 28/9£724

Fri 13/1106:14 -

1 stop20h 26m

Fri 20/1106:35 -

2 stops37h 59m

Deal found 29/9£725

Sun 15/1114:45 -

1 stop11h 55m

Sun 22/1115:00 -

2 stops37h 38m

Deal found 1/10£730

Thu 12/1106:15 -

3 stops21h 00m

Thu 19/1107:30 -

2 stops21h 17m

Deal found 28/9£732

Mon 2/1112:48 -

1 stop12h 07m

Wed 18/1111:35 -

1 stop16h 55m

Deal found 2/10£734

Tue 1/1214:47 -

1 stop11h 53m

Fri 11/1211:35 -

1 stop16h 38m

Deal found 2/10£737

Tue 8/1212:38 -

2 stops15h 12m

Thu 7/115:00 -

2 stops27h 48m

Deal found 1/10£757

Mon 16/1114:37 -

1 stop12h 03m

Mon 23/1113:00 -

2 stops29h 45m

Deal found 2/10£768

Sat 28/1114:45 -

1 stop11h 55m

Fri 11/1211:35 -

1 stop16h 38m

Deal found 2/10£775

Fri 27/1114:45 -

1 stop11h 55m

Fri 11/1211:35 -

1 stop16h 38m

Deal found 2/10£775

Sat 28/1114:45 -

1 stop11h 55m

Thu 10/1211:35 -

1 stop16h 38m

Deal found 2/10£775

Mon 30/1114:45 -

1 stop11h 55m

Sun 6/1211:35 -

1 stop16h 38m

Deal found 2/10£775

Find flight deals from Montana to Heathrow

Round-trip from	£574
One-way from	£249
Popular in	July
Cheapest in	April
Average price	£682

United Airlines
2/3-5/3
5 total stops
68h 59m total
Montana to London

Search Deals

United Airlines
22/3-31/12
2 total stops
19h 10m total
Montana to London

Search Deals

Highest demand for flights based on searches. 16% potential increase in price (£119 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (£22 potential savings vs. average return price).

Search Deals

Average for round-trip flights in October 2026

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

Cheapest return flight

BozemanLondon

BZN Bozeman Gallatin Field - LHR London Heathrow

BZNLHR

Bozeman Gallatin Field

Mon 22/3

08:00-09:10

2 stops19h 10m

London Heathrow

Wed 31/12

00:00-16:00

Nonstop0h 00m

£249

KalispellLondon

FCA Kalispell Glacier Park - LHR London Heathrow

FCALHR

Kalispell Glacier Park

Sun 10/1

07:00-11:15

2 stops21h 15m

London Heathrow

Wed 31/12

00:00-16:00

Nonstop0h 00m

£249

KalispellLondon

FCA Kalispell Glacier Park - LHR London Heathrow

FCALHR

Kalispell Glacier Park

Sat 9/1

14:29-21:20

2 stops23h 51m

London Heathrow

Wed 31/12

00:00-16:00

Nonstop0h 00m

£249

BozemanLondon

BZN Bozeman Gallatin Field - LHR London Heathrow

BZNLHR

Bozeman Gallatin Field

Sat 31/10

16:13-07:40

2 stops33h 27m

London Heathrow

Wed 31/12

00:00-16:00

Nonstop0h 00m

£351

BozemanLondon

BZN Bozeman Gallatin Field - LHR London Heathrow

BZNLHR

Bozeman Gallatin Field

Fri 30/10

13:12-10:00

1 stop14h 48m

London Heathrow

Wed 31/12

00:00-16:00

Nonstop0h 00m

£383

MissoulaLondon

MSO Missoula Johnson-Bell Field - LHR London Heathrow

MSOLHR

Missoula Johnson-Bell Field

Tue 20/10

14:38-12:25

1 stop14h 47m

London Heathrow

Wed 31/12

00:00-16:00

Nonstop0h 00m

£383

BozemanLondon

BZN Bozeman Gallatin Field - LHR London Heathrow

BZNLHR

Bozeman Gallatin Field

Fri 30/10

13:12-11:35

2 stops16h 23m

London Heathrow

Wed 31/12

00:00-16:00

Nonstop0h 00m

£388

BillingsLondon

BIL Billings Logan Intl - LHR London Heathrow

BILLHR

Billings Logan Intl

Thu 5/11

07:00-10:15

2 stops20h 15m

London Heathrow

Wed 31/12

00:00-16:00

Nonstop0h 00m

£388

BillingsLondon

BIL Billings Logan Intl - LHR London Heathrow

BILLHR

Billings Logan Intl

Wed 25/11

07:20-12:20

1 stop22h 00m

London Heathrow

Wed 31/12

00:00-16:00

Nonstop0h 00m

£415

BillingsLondon

BIL Billings Logan Intl - LHR London Heathrow

BILLHR

Billings Logan Intl

Wed 25/11

06:34-06:25

2 stops16h 51m

London Heathrow

Wed 31/12

00:00-16:00

Nonstop0h 00m

£415

Flights are sorted by cheapest return flights first.

Deals found on 29/9

Showing 1-10 of 49 resultsSorted by cheapest first

...

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.

BIL-LHR

BZN-LHR

MSO-LHR

FCA-LHR

GTF-LHR

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

USMT-LHR

BIL-LHR

BZN-LHR

MSO-LHR

FCA-LHR

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

Currently, March is the cheapest month in which you can book a flight from Montana to London Heathrow Airport (average of £624). Flying from Montana to London Heathrow Airport in June is currently the most expensive (average of £1,300). 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 United Airlines, Alaska Airlines, and Virgin Atlantic fly from Montana to London Heathrow Airport in about 14h 10m. The time it takes to get you to your destination can typically vary by up to 20h 33m. 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 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, March is the cheapest month in which you can book a flight from Montana to London Heathrow Airport (average of £624). Flying from Montana to London Heathrow Airport in June is currently the most expensive (average of £1,300). 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

Hounslow

Milton Keynes

Luton

Gatwick

Wembley

Slough

Ilford

Hayes

Croydon

Northampton

Colchester

Eastbourne

Enfield

Brentford

Southend-on-Sea

Barnet

Southall

Watford

Stratford-upon-Avon

Kingston upon Thames

Browse thousands of different options on Cheapflights for your next trip

Alternative routes

Complete your trip

Direct flights to England

Flights by cabin class

Heathrow flight routes

Other flight options

Popular flights

Top destinations

Alternative routes for Montana to Heathrow

John F Kennedy Intl to Heathrow flights

Newark to Heathrow flights

Dulles Intl to Heathrow flights

Newark to Gatwick flights

John F Kennedy Intl to Stansted flights

Boston to Heathrow flights

John F Kennedy Intl to London City flights

LaGuardia to Heathrow flights

John F Kennedy Intl to Gatwick flights

Baltimore to Heathrow flights

San Francisco to Heathrow flights

Los Angeles to Heathrow flights

LaGuardia to Gatwick flights

O'Hare Intl to Heathrow flights

Newark to London City flights

Dallas/Fort Worth to Heathrow flights

Newark to Stansted flights

Seattle to Heathrow flights

Newark to Luton flights

Dulles Intl to London City flights

Dulles Intl to Gatwick flights

Reagan-National to Heathrow flights

Boston to Gatwick flights

Atlanta to Heathrow flights

Boston to London City flights

Orlando to Heathrow flights

Boston to Stansted flights

Miami to Heathrow flights

Baltimore to Gatwick flights

Hobby to Heathrow flights

San Francisco to Gatwick flights

Los Angeles to Gatwick flights

Philadelphia to Heathrow flights

Reagan-National to Gatwick flights

Los Angeles to Stansted flights

Los Angeles to London City flights

San Francisco to London City flights

George Bush Intcntl to Heathrow flights

Dulles Intl to Luton flights

Denver to Heathrow flights

San Francisco to Stansted flights

Orlando to Gatwick flights

Boston to Luton flights

O'Hare Intl to Gatwick flights

O'Hare Intl to Stansted flights

O'Hare Intl to London City flights

Raleigh to Heathrow flights

Sky Harbor Intl to Heathrow flights

Fly with Cheapflights

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

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 Montana to London Heathrow Airport from £249

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 22/3. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap 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 2 October 2026.

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 2 October 2026.

Best flights from Montana to HeathrowDiscover 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 2 October 2026.

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 2 October 2026.

Last-minute flights from Montana to HeathrowDiscover last-minute flight deals from Montana to Heathrow. Data last updated 2 October 2026 and is based on user searches.

Discover last-minute flight deals from Montana to Heathrow. Data last updated 2 October 2026 and is based on user searches.

One-way flights from Montana to HeathrowSearch for one-way flight options from Montana to Heathrow. Find affordable one-way fares based on user searches. Data last updated 2 October 2026.

Search for one-way flight options from Montana to Heathrow. Find affordable one-way fares based on user searches. Data last updated 2 October 2026.

Find flight deals from Montana to Heathrow

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

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

Related info for your journey

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

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.

Complete your trip

Complete your trip to Heathrow by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to England

Book a non-stop flight to one of these other cities located in England.

Search flights from Montana to Heathrow by cabin class

Find flights from Montana to Heathrow, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Other flights to Heathrow

Explore flights to Heathrow departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 2 October 2026.

Montana and Heathrow flights

Browse other Montana and Heathrow flight options. Last updated on 2 October 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Montana to Heathrow flights

Consider these flights travelling from Montana to Heathrow.

Fly with Cheapflights

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?

100% Free

Book with Flexibility

Travel Smart

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 2 October 2026.

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 2 October 2026.

Last-minute flights from Montana to Heathrow
Discover last-minute flight deals from Montana to Heathrow. Data last updated 2 October 2026 and is based on user searches.

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 2 October 2026.