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

United Airlines, Delta, and Virgin Atlantic are the most popular carriers 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 Billings or Missoula, and flying into London Heathrow Airport, then you can expect flight times to average 12h and 12h 01m, 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.

£246 Cheap Flights from Montana to London Heathrow Airport in 2026

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Find the cheapest flights from Montana to London

Round-trip

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

06:15 - 10:25

GTF

LHR

21h 10m

2 stops

06:35 - 22:30

LHR

GTF

22h 55m

2 stops

£562United Airlines

Wed, 11 Nov - Fri, 13 Nov

14:00 - 07:15

BZN

LHR

34h 15m

1 stop

11:45 - 23:58

LHR

BZN

42h 13m

2 stops

£603Virgin Atlantic

Thu, 22 Oct - Mon, 26 Oct

15:54 - 15:35

BZN

LHR

16h 41m

1 stop

06:30 - 17:55

LHR

BZN

18h 25m

2 stops

£652KLM

Sun, 6 Sep - Fri, 9 Oct

05:25 - 10:00

FCA

LHR

21h 35m

1 stop

20:25 - 17:45

LHR

FCA

28h 20m

2 stops

£652KLM

Mon, 2 Nov - Wed, 2 Dec

05:45 - 10:00

BIL

LHR

21h 15m

1 stop

06:30 - 23:11

LHR

BIL

23h 41m

2 stops

£652Delta

Wed, 9 Sep - Tue, 15 Sep

14:35 - 12:35

HLN

LHR

15h 00m

1 stop

06:55 - 21:03

LHR

HLN

21h 08m

2 stops

£652Lufthansa

Sun, 6 Sep - Fri, 9 Oct

05:45 - 10:00

BZN

LHR

21h 15m

1 stop

11:45 - 23:58

LHR

BZN

19h 13m

2 stops

£652Delta

Wed, 4 Nov - Wed, 11 Nov

14:35 - 12:35

HLN

LHR

15h 00m

1 stop

06:55 - 21:03

LHR

HLN

21h 08m

2 stops

£652Lufthansa

Sun, 6 Sep - Fri, 9 Oct

10:27 - 12:20

BZN

LHR

18h 53m

1 stop

14:45 - 22:42

LHR

BZN

14h 57m

1 stop

£660Alaska Airlines

Sun, 15 Nov - Thu, 19 Nov

19:29 - 15:05

BIL

LHR

12h 36m

1 stop

17:00 - 23:29

LHR

BIL

13h 29m

1 stop

£660Alaska Airlines

Sun, 6 Sep - Thu, 17 Sep

Virgin Atlantic flights from Montana to London Heathrow Airport

Our best Virgin Atlantic deals on Montana to London Heathrow Airport flight tickets

Virgin Atlantic

22 Oct

BZN14:00Bozeman Gallatin Field

34h 15m

1 stop

LHR07:15London Heathrow

26 Oct

LHR11:45London Heathrow

42h 13m

2 stops

BZN23:58Bozeman Gallatin Field

£603

Virgin Atlantic

22 Oct

BZN15:40Bozeman Gallatin Field

18h 55m

2 stops

LHR17:35London Heathrow

26 Oct

LHR11:45London Heathrow

42h 13m

2 stops

BZN23:58Bozeman Gallatin Field

£609

Virgin Atlantic

7 Jun

FCA15:29Kalispell Glacier Park

14h 36m

1 stop

LHR13:05London Heathrow

14 Jun

LHR11:30London Heathrow

19h 08m

2 stops

FCA23:38Kalispell Glacier Park

£1,007

United Airlines flights from Montana to London Heathrow Airport

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

United Airlines

11 Nov

GTF06:15Great Falls

21h 10m

2 stops

LHR10:25London Heathrow

13 Nov

LHR06:35London Heathrow

22h 55m

2 stops

GTF22:30Great Falls

£562

United Airlines

11 Nov

GTF14:25Great Falls

12h 15m

1 stop

LHR09:40London Heathrow

13 Nov

LHR06:35London Heathrow

22h 55m

2 stops

GTF22:30Great Falls

£620

United Airlines

10 Nov

BTM10:00Butte Silver Bow Co

39h 30m

2 stops

LHR08:30London Heathrow

13 Nov

LHR06:35London Heathrow

22h 52m

2 stops

BTM22:27Butte Silver Bow Co

£623

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

Cheapest return flight

Great FallsLondon

GTF - LHR

GTFLHR

Great Falls

Wed 11/11

06:15-10:25

2 stops21h 10m

London Heathrow

Fri 13/11

06:35-22:30

2 stops22h 55m

£562

BozemanLondon

BZN - LHR

BZNLHR

Bozeman Gallatin Field

Thu 22/10

14:00-07:15

1 stop34h 15m

London Heathrow

Mon 26/10

11:45-23:58

2 stops42h 13m

£603

BozemanLondon

BZN - LHR

BZNLHR

Bozeman Gallatin Field

Sun 6/9

15:54-15:35

1 stop16h 41m

London Heathrow

Fri 9/10

06:30-17:55

2 stops18h 25m

£652

KalispellLondon

FCA - LHR

FCALHR

Kalispell Glacier Park

Mon 2/11

05:25-10:00

1 stop21h 35m

London Heathrow

Wed 2/12

20:25-17:45

2 stops28h 20m

£652

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

Wed 9/9

05:45-10:00

1 stop21h 15m

London Heathrow

Tue 15/9

06:30-23:11

2 stops23h 41m

£652

HelenaLondon

HLN - LHR

HLNLHR

Helena

Sun 6/9

14:35-12:35

1 stop15h 00m

London Heathrow

Fri 9/10

06:55-21:03

2 stops21h 08m

£652

BozemanLondon

BZN - LHR

BZNLHR

Bozeman Gallatin Field

Wed 4/11

05:45-10:00

1 stop21h 15m

London Heathrow

Wed 11/11

11:45-23:58

2 stops19h 13m

£652

HelenaLondon

HLN - LHR

HLNLHR

Helena

Sun 6/9

14:35-12:35

1 stop15h 00m

London Heathrow

Fri 9/10

06:55-21:03

2 stops21h 08m

£652

BozemanLondon

BZN - LHR

BZNLHR

Bozeman Gallatin Field

Sun 15/11

10:27-12:20

1 stop18h 53m

London Heathrow

Thu 19/11

14:45-22:42

1 stop14h 57m

£660

Fastest return journey

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

Sun 6/9

19:29-15:05

1 stop12h 36m

London Heathrow

Thu 17/9

17:00-23:29

1 stop13h 29m

£660

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 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 £0. The month of August is another great option to travel to London Heathrow Airport, with average flight prices from Montana averaging around £446.

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

You could potentially save up to 38% 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

Fastest flight time	11h 30m
Direct flights	None

The fastest flight from Montana to London Heathrow Airport takes 11h 30m

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

Search flight deals

Frequently asked questions about flying from Montana to London Heathrow Airport

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

Gatwick

Luton

Wembley

Stratford-upon-Avon

Slough

Maidstone

Southend-on-Sea

Northampton

Swindon

Ipswich

Ilford

Canterbury

Guildford

Poole

Hayes

Folkestone

Chelmsford

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.