What is the cheapest airline that flies from Montana to London Heathrow?

United Airlines is the most popular carrier operating from Montana to London Heathrow

How long does it take to fly to London Heathrow Airport?

If you’re flying from a popular airport in Montana, such as Missoula or Bozeman, and flying into London Heathrow Airport, then you can expect flight times to average 12h 05m and 12h 20m, respectively.

When did momondo last update prices for flights from Montana to London Heathrow Airport?

Prices for flights from Montana to London Heathrow Airport were last updated today.

How old do you have to be to fly from Montana to London Heathrow Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Montana to London Heathrow Airport.

What documentation or ID do you need to fly to London Heathrow Airport?

The travel and health documents you'll need for your trip to London Heathrow Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at London Heathrow Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

£244 Cheap Flights from Montana to London Heathrow Airport in 2025

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Find the cheapest flights from Montana to London

Round-trip

One-way

Last minute

Cheap return flights

13:05 - 09:50GTF-LHR

13h 45m1 stop

06:30 - 17:29LHR-GTF

17h 59m2 stops

£431Delta

Find Deal

Mon, 29 Sep - Wed, 8 Oct

13:05 - 09:50GTF-LHR

13h 45m1 stop

06:30 - 17:29LHR-GTF

17h 59m2 stops

£431KLM

Find Deal

Mon, 29 Sep - Wed, 8 Oct

14:42 - 13:10FCA-LHR

15h 28m1 stop

06:20 - 17:28LHR-FCA

17h 08m2 stops

£434

Find Deal

Mon, 13 Oct - Thu, 30 Oct

08:00 - 13:10MSO-LHR

22h 10m1 stop

06:20 - 17:40LHR-MSO

17h 20m2 stops

£434

Find Deal

Wed, 22 Oct - Wed, 29 Oct

08:00 - 06:45MSO-LHR

15h 45m2 stops

06:20 - 17:40LHR-MSO

17h 20m2 stops

£437Air France

Find Deal

Wed, 22 Oct - Wed, 29 Oct

14:42 - 13:10FCA-LHR

15h 28m1 stop

10:45 - 23:09LHR-FCA

18h 24m1 stop

£439Virgin Atlantic

Find Deal

Mon, 13 Oct - Thu, 30 Oct

13:05 - 14:15MSO-LHR

18h 10m2 stops

10:55 - 00:17LHR-MSO

20h 22m1 stop

£443Virgin Atlantic

Find Deal

Wed, 1 Oct - Thu, 9 Oct

07:00 - 09:35BZN-LHR

19h 35m2 stops

17:40 - 15:20LHR-BZN

28h 40m2 stops

£472United Airlines

Find Deal

Tue, 7 Oct - Thu, 16 Oct

06:30 - 12:20HLN-LHR

22h 50m1 stop

15:50 - 16:40LHR-HLN

31h 50m2 stops

£472United Airlines

Find Deal

Tue, 7 Oct - Tue, 14 Oct

13:00 - 14:15HLN-LHR

18h 15m2 stops

10:55 - 22:16LHR-HLN

18h 21m1 stop

£517Air France

Find Deal

Thu, 9 Oct - Sun, 12 Oct

Delta flights from Montana to London Heathrow Airport

Our best Delta deals on Montana to London Heathrow Airport flight tickets

Delta

29 Sept

GTF13:05Great Falls

13h 45m

1 stop

LHR09:50London Heathrow

8 Oct

LHR06:30London Heathrow

17h 59m

2 stops

GTF17:29Great Falls

£431

Find similar

Delta

29 Sept

GTF18:11Great Falls

29h 14m

2 stops

LHR06:25London Heathrow

8 Oct

LHR06:30London Heathrow

17h 59m

2 stops

GTF17:29Great Falls

£434

Find similar

Delta

25 Aug

HLN13:00Helena

13h 50m

1 stop

LHR09:50London Heathrow

2 Sept

LHR06:30London Heathrow

22h 43m

2 stops

HLN22:13Helena

£434

Find similar

United Airlines flights from Montana to London Heathrow Airport

Our best United Airlines deals on Montana to London Heathrow Airport flight tickets

United Airlines

7 Oct

BZN07:00Bozeman Gallatin Field

19h 35m

2 stops

LHR09:35London Heathrow

16 Oct

LHR17:40London Heathrow

28h 40m

2 stops

BZN15:20Bozeman Gallatin Field

£472

Find similar

United Airlines

8 Oct

BZN08:00Bozeman Gallatin Field

15h 55m

2 stops

LHR06:55London Heathrow

14 Oct

LHR17:40London Heathrow

28h 40m

2 stops

BZN15:20Bozeman Gallatin Field

£475

Find similar

United Airlines

30 Sept

GTF07:00Great Falls

19h 40m

1 stop

LHR09:40London Heathrow

8 Oct

LHR14:50London Heathrow

29h 36m

1 stop

GTF13:26Great Falls

£481

Find similar

momondo 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

Great FallsLondon

GTF - LHR

GTFLHR

Great Falls

Mon 29/9

13:05-09:50

1 stop13h 45m

London Heathrow

Wed 8/10

06:30-17:29

2 stops17h 59m

£431

Great FallsLondon

GTF - LHR

GTFLHR

Great Falls

Mon 29/9

13:05-09:50

1 stop13h 45m

London Heathrow

Wed 8/10

06:30-17:29

2 stops17h 59m

£431

KalispellLondon

FCA - LHR

FCALHR

Kalispell Glacier Park

Mon 13/10

14:42-13:10

1 stop15h 28m

London Heathrow

Thu 30/10

06:20-17:28

2 stops17h 08m

£434

MissoulaLondon

MSO - LHR

MSOLHR

Missoula Johnson-Bell Field

Wed 22/10

08:00-13:10

1 stop22h 10m

London Heathrow

Wed 29/10

06:20-17:40

2 stops17h 20m

£434

MissoulaLondon

MSO - LHR

MSOLHR

Missoula Johnson-Bell Field

Wed 22/10

08:00-06:45

2 stops15h 45m

London Heathrow

Wed 29/10

06:20-17:40

2 stops17h 20m

£437

KalispellLondon

FCA - LHR

FCALHR

Kalispell Glacier Park

Mon 13/10

14:42-13:10

1 stop15h 28m

London Heathrow

Thu 30/10

10:45-23:09

1 stop18h 24m

£439

MissoulaLondon

MSO - LHR

MSOLHR

Missoula Johnson-Bell Field

Wed 1/10

13:05-14:15

2 stops18h 10m

London Heathrow

Thu 9/10

10:55-00:17

1 stop20h 22m

£443

BozemanLondon

BZN - LHR

BZNLHR

Bozeman Gallatin Field

Tue 7/10

07:00-09:35

2 stops19h 35m

London Heathrow

Thu 16/10

17:40-15:20

2 stops28h 40m

£472

HelenaLondon

HLN - LHR

HLNLHR

Helena

Tue 7/10

06:30-12:20

1 stop22h 50m

London Heathrow

Tue 14/10

15:50-16:40

2 stops31h 50m

£472

HelenaLondon

HLN - LHR

HLNLHR

Helena

Thu 9/10

13:00-14:15

2 stops18h 15m

London Heathrow

Sun 12/10

10:55-22:16

1 stop18h 21m

£517

Flights are sorted by cheapest return flights first.

Showing 1-10 of 17 resultsSorted by cheapest first

How to get the cheapest flight ticket from Montana to London Heathrow Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

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

In general, February is the cheapest month to fly from Montana to London Heathrow Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £532. The month of January is another great option to travel to London Heathrow Airport, with average flight prices from Montana averaging around £544.

Can stopping save me money on Montana to London Heathrow Airport flights?

You could potentially save up to 10% on your flight if you consider stops on a Montana to London Heathrow Airport flight.

Cheap Montana to London Heathrow Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Montana to London Heathrow Airport

Best price found	£244
Fastest flight time	11h 55m
Direct flights	None

The best one-way flight to London Heathrow Airport from Montana in the past 72 hours is £244. The best return flight deal from Montana to London Heathrow Airport found on momondo in the last 72 hours is £431.

The fastest flight from Montana to London Heathrow Airport takes 11h 55m

There are no direct flights from Montana to London Heathrow Airport. Popular non-direct routes for this connection are Bozeman Gallatin Field Airport - London Heathrow Airport, Great Falls Airport - London Heathrow Airport and Kalispell Glacier Park Airport - London Heathrow Airport.

Search flight deals

When did momondo last update prices for flights from Montana to London Heathrow Airport?
Prices for flights from Montana to London Heathrow Airport were last updated today.
How old do you have to be to fly from Montana to London Heathrow Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Montana to London Heathrow Airport.
What documentation or ID do you need to fly to London Heathrow Airport?
The travel and health documents you'll need for your trip to London Heathrow Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at London Heathrow Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Eastbourne

Milton Keynes

Luton

Slough

Northampton

Maidstone

Southend-on-Sea

Swindon

Canterbury

Gatwick

Stratford-upon-Avon

Ipswich

Ilford

Guildford

Colchester

Dartford

Swanage

Hounslow

Worthing

Dover

Why use momondo?

Why should I use momondo to find a flight deal from Montana to London?

Finding the right flight to London from Montana is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to London quick and easy, saving you time and money.

Can I find flights from Montana to London with flexible booking policies on momondo?

Yes. All flights to London from Montana on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Montana to London?

momondo helps you find the best flight between Montana and London by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Montana to London right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Montana to London now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to London and let you know when they change.

An easier way to manage your London Heathrow Airport trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

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Cheap flights from Montana to London from £244

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Montana to London departing on 21/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names, great deals

Big names, great deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Montana to London

Cheap return flights

Cheap one-way flights

Cheap last-minute flights

Delta flights from Montana to London Heathrow Airport

Our best Delta deals on Montana to London Heathrow Airport flight tickets

United Airlines flights from Montana to London Heathrow Airport

Our best United Airlines deals on Montana to London Heathrow Airport flight tickets

momondo Fare Finder

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

See travel insights to London from

How to get the cheapest flight ticket from Montana to London Heathrow Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

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

Can stopping save me money on Montana to London Heathrow Airport flights?

You could potentially save up to 10% on your flight if you consider stops on a Montana to London Heathrow Airport flight.

What is the cheapest airline that flies from Montana to London Heathrow?

United Airlines is the most popular carrier operating from Montana to London Heathrow

How long does it take to fly to London Heathrow Airport?

If you’re flying from a popular airport in Montana, such as Missoula or Bozeman, and flying into London Heathrow Airport, then you can expect flight times to average 12h 05m and 12h 20m, respectively.

Cheap Montana to London Heathrow Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Montana to London Heathrow Airport

Best price found

Fastest flight time

Direct flights

When did momondo last update prices for flights from Montana to London Heathrow Airport?

How old do you have to be to fly from Montana to London Heathrow Airport?

What documentation or ID do you need to fly to London Heathrow Airport?

Travelling to a place near London?

Why use momondo?

Why should I use momondo to find a flight deal from Montana to London?

Can I find flights from Montana to London with flexible booking policies on momondo?

How can momondo help me find flights from Montana to London?

I’m not ready to book a flight from Montana to London right now. Can momondo alert me if prices change?

An easier way to manage your London Heathrow Airport trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to London

Popular Cities in the United Kingdom

Popular flights according to clicks in the last 7 days on momondo