How long does it take to fly to London?

Flight times from Montana to London vary, but if you’re flying out of Billings and flying into London Heathrow Airport (one of the most popular routes), then the duration is 11h 35m on average. Another popular route from Montana to London is flying from Great Falls to London Heathrow Airport, which will take roughly 12h 05m. Keep in mind that layovers or delays could extend your travel time.

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

Delta, United Airlines, and KLM are the most popular carriers operating from Montana to London

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

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

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

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.

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

The travel and health documents you'll need for your trip to London 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. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

£248 Cheap Flights from Montana to London in 2026

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Find the cheapest flights from Montana to London

Round-trip

One-way

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Enter your travel dates to find the best prices.

08:30 - 12:10

BZN

LHR

20h 40m

1 stop

08:40 - 23:53

LHR

BZN

22h 13m

2 stops

£652Delta

Wed, 2 Sep - Tue, 15 Sep

14:25 - 09:40

BIL

LHR

12h 15m

1 stop

06:55 - 17:16

LHR

BIL

17h 21m

2 stops

£652United Airlines

Tue, 1 Sep - Tue, 15 Sep

17:32 - 12:35

MSO

LHR

12h 03m

1 stop

06:55 - 21:26

LHR

MSO

21h 31m

2 stops

£654United Airlines

Wed, 2 Sep - Tue, 15 Sep

07:00 - 10:00

BIL

LHR

20h 00m

2 stops

06:55 - 17:16

LHR

BIL

17h 21m

2 stops

£654United Airlines

Tue, 1 Sep - Tue, 15 Sep

07:00 - 08:35

BIL

LHR

42h 35m

2 stops

17:40 - 09:41

LHR

BIL

47h 01m

2 stops

£668Air Canada

Mon, 31 Aug - Wed, 16 Sep

17:57 - 09:35

BIL

LHR

56h 38m

2 stops

17:40 - 09:41

LHR

BIL

47h 01m

2 stops

£672Air Canada

Sun, 30 Aug - Wed, 16 Sep

17:18 - 06:55

HLN

LHR

30h 37m

2 stops

16:25 - 15:31

LHR

HLN

30h 06m

2 stops

£675Multiple Airlines

Tue, 29 Sep - Tue, 6 Oct

14:25 - 16:40

BIL

LHR

19h 15m

2 stops

20:25 - 21:00

LHR

BIL

31h 35m

2 stops

£678Lufthansa

Wed, 2 Sep - Mon, 14 Sep

06:15 - 06:30

MSO

LHR

17h 15m

2 stops

17:40 - 13:27

LHR

MSO

26h 47m

2 stops

£703Multiple Airlines

Wed, 2 Sep - Sun, 13 Sep

14:37 - 17:55

BZN

LCY

20h 18m

2 stops

09:15 - 21:07

LCY

BZN

18h 52m

2 stops

£748Lufthansa

Thu, 20 Aug - Mon, 24 Aug

Delta flights from Montana to London

Our best Delta deals on Montana to London flight tickets

Delta

2 Sept

BZN08:30Bozeman Gallatin Field

20h 40m

1 stop

LHR12:10London Heathrow

15 Sept

LHR08:40London Heathrow

22h 13m

2 stops

BZN23:53Bozeman Gallatin Field

£652

Delta

1 Sept

BZN06:00Bozeman Gallatin Field

21h 40m

2 stops

LHR10:40London Heathrow

15 Sept

LHR08:40London Heathrow

22h 13m

2 stops

BZN23:53Bozeman Gallatin Field

£655

Delta

1 Sept

BZN08:30Bozeman Gallatin Field

24h 05m

1 stop

LHR15:35London Heathrow

15 Sept

LHR06:30London Heathrow

22h 54m

2 stops

BZN22:24Bozeman Gallatin Field

£656

United Airlines flights from Montana to London

Our best United Airlines deals on Montana to London flight tickets

United Airlines

1 Sept

BIL14:25Billings Logan Intl

12h 15m

1 stop

LHR09:40London Heathrow

15 Sept

LHR06:55London Heathrow

17h 21m

2 stops

BIL17:16Billings Logan Intl

£652

United Airlines

2 Sept

MSO17:32Missoula Johnson-Bell Field

12h 03m

1 stop

LHR12:35London Heathrow

15 Sept

LHR06:55London Heathrow

21h 31m

2 stops

MSO21:26Missoula Johnson-Bell Field

£654

United Airlines

1 Sept

BIL07:00Billings Logan Intl

20h 00m

2 stops

LHR10:00London Heathrow

15 Sept

LHR06:55London Heathrow

17h 21m

2 stops

BIL17:16Billings Logan Intl

£654

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BozemanLondon

BZN - LHR

BZNLHR

Bozeman Gallatin Field

Wed 2/9

08:30-12:10

1 stop20h 40m

London Heathrow

Tue 15/9

08:40-23:53

2 stops22h 13m

£652

Fastest return journey

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

Tue 1/9

14:25-09:40

1 stop12h 15m

London Heathrow

Tue 15/9

06:55-17:16

2 stops17h 21m

£652

MissoulaLondon

MSO - LHR

MSOLHR

Missoula Johnson-Bell Field

Wed 2/9

17:32-12:35

1 stop12h 03m

London Heathrow

Tue 15/9

06:55-21:26

2 stops21h 31m

£654

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

Tue 1/9

07:00-10:00

2 stops20h 00m

London Heathrow

Tue 15/9

06:55-17:16

2 stops17h 21m

£654

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

Mon 31/8

07:00-08:35

2 stops42h 35m

London Heathrow

Wed 16/9

17:40-09:41

2 stops47h 01m

£668

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

Sun 30/8

17:57-09:35

2 stops56h 38m

London Heathrow

Wed 16/9

17:40-09:41

2 stops47h 01m

£672

HelenaLondon

HLN - LHR

HLNLHR

Helena

Tue 29/9

17:18-06:55

2 stops30h 37m

London Heathrow

Tue 6/10

16:25-15:31

2 stops30h 06m

£675

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

Wed 2/9

14:25-16:40

2 stops19h 15m

London Heathrow

Mon 14/9

20:25-21:00

2 stops31h 35m

£678

MissoulaLondon

MSO - LHR

MSOLHR

Missoula Johnson-Bell Field

Wed 2/9

06:15-06:30

2 stops17h 15m

London Heathrow

Sun 13/9

17:40-13:27

2 stops26h 47m

£703

BozemanLondon

BZN - LCY

BZNLCY

Bozeman Gallatin Field

Thu 20/8

14:37-17:55

2 stops20h 18m

London City

Mon 24/8

09:15-21:07

2 stops18h 52m

£748

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Montana to London

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

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Other information

What is the cheapest month to fly to London?

The cheapest month to fly to London from Montana is in November. Flight prices, which tend to average around £468, are often lower during this time because this is during the off-season. The month of October is another great option to travel to London, with average flight prices from Montana averaging around £512.

Can stopping save me money on Montana to London flights?

You could potentially save up to 38% on your flight if you consider stops on a Montana to London flight.

Cheap Montana to London flight deals and tips

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

Fastest flight time	11h 25m
Direct flights	None

The fastest flight from Montana to London takes 11h 25m

There are no direct flights from Montana to London. There are no popular flight routes from Montana to London.

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Frequently asked questions about flying from Montana to London

When did momondo last update prices for flights from Montana to London?
Prices for flights from Montana to London were last updated today.
How old do you have to be to fly from Montana to London?
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.
What documentation or ID do you need to fly to London?
The travel and health documents you'll need for your trip to London 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. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Eastbourne

Milton Keynes

Luton

Gatwick

Slough

Maidstone

Wembley

Southend-on-Sea

Ipswich

Canterbury

Ilford

Guildford

Hayes

Dover

Chelmsford

Folkestone

Bedford

Ramsgate

Chichester

Harlow

Why use momondo?

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

It is quick and easy to find Montana to London flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to London that suits you.

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?

Once you have performed a search for Montana to London flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Of course. momondo tracks the price of Montana to London flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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Cheap flights from Montana to London from £248

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 19/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Delta flights from Montana to London

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How to get the cheapest flight ticket from Montana to London

What is the cheapest month to fly to London?

Can stopping save me money on Montana to London flights?

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

How long does it take to fly to London?

Cheap Montana to London flight deals and tips

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

Fastest flight time

Direct flights

Frequently asked questions about flying from Montana to London

Travelling to a place near London?

Why use momondo?

An easier way to manage your London 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 the United Kingdom

Fly into one of these airports located in London

Airports listed have a maximum distance of 35.6 mi from London

Cabin classes currently available on flights to London

List of cabin classes available on flights landing in London. Availability may vary depending on flight origin and airline.

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