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

Lufthansa, United Airlines, and SWISS 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 Great Falls or Missoula, and flying into London Heathrow Airport, then you can expect flight times to average 11h 55m and 12h 03m, 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.

£248 Cheap Flights from Montana to London Heathrow Airport in 2026/27

Find the cheapest flights from Montana to London

Return

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

17:55 - 11:15BZN Bozeman Gallatin Field-LHR London Heathrow

34h 20m1 stop San Francisco

06:50 - 23:07LHR London Heathrow-BZN Bozeman Gallatin Field

23h 17m2 stops Brussels Bruxelles-National Chicago O'Hare Intl

£573United Airlines

Mon, 1 Mar - Thu, 4 Mar

14:44 - 12:00BZN Bozeman Gallatin Field-LHR London Heathrow

38h 16m2 stops Denver Intl Chicago O'Hare Intl

06:50 - 23:07LHR London Heathrow-BZN Bozeman Gallatin Field

23h 17m2 stops Brussels Bruxelles-National Chicago O'Hare Intl

£576United Airlines

Mon, 1 Mar - Thu, 4 Mar

06:30 - 17:05GTF Great Falls-LHR London Heathrow

27h 35m2 stops Denver Intl Munich Franz Josef Strauss

11:10 - 21:34LHR London Heathrow-GTF Great Falls

41h 24m2 stops Toronto Pearson Intl Denver Intl

£581United Airlines

Mon, 1 Mar - Wed, 3 Mar

06:30 - 08:25GTF Great Falls-LHR London Heathrow

18h 55m2 stops Denver Intl Newark

07:30 - 21:54LHR London Heathrow-GTF Great Falls

21h 24m2 stops Frankfurt am Main Denver Intl

£585United Airlines

Mon, 1 Mar - Wed, 3 Mar

14:42 - 09:40GTF Great Falls-LHR London Heathrow

11h 58m1 stop Denver Intl

07:30 - 21:54LHR London Heathrow-GTF Great Falls

21h 24m2 stops Frankfurt am Main Denver Intl

£630United Airlines

Mon, 1 Mar - Wed, 3 Mar

14:42 - 09:40GTF Great Falls-LHR London Heathrow

11h 58m1 stop Denver Intl

07:30 - 21:54LHR London Heathrow-GTF Great Falls

21h 24m2 stops Frankfurt am Main Denver Intl

£631United Airlines

Mon, 1 Mar - Wed, 3 Mar

13:00 - 06:55BZN Bozeman Gallatin Field-LHR London Heathrow

34h 55m1 stop Boston Logan Intl

09:20 - 11:45LHR London Heathrow-BZN Bozeman Gallatin Field

33h 25m1 stop Boston Logan Intl

£639JetBlue

Tue, 2 Mar - Mon, 8 Mar

13:00 - 06:55BZN Bozeman Gallatin Field-LHR London Heathrow

34h 55m1 stop Boston Logan Intl

09:20 - 11:45LHR London Heathrow-BZN Bozeman Gallatin Field

33h 25m1 stop Boston Logan Intl

£643JetBlue

Wed, 24 Feb - Mon, 1 Mar

12:49 - 10:50BZN Bozeman Gallatin Field-LHR London Heathrow

15h 01m2 stops Chicago O'Hare Intl Washington, D.C. Dulles Intl

06:50 - 23:07LHR London Heathrow-BZN Bozeman Gallatin Field

23h 17m2 stops Brussels Bruxelles-National Chicago O'Hare Intl

£661United Airlines

Tue, 2 Mar - Tue, 9 Mar

14:34 - 21:40BZN Bozeman Gallatin Field-LHR London Heathrow

24h 06m1 stop New York John F Kennedy Intl

12:20 - 13:20LHR London Heathrow-BZN Bozeman Gallatin Field

32h 00m1 stop New York John F Kennedy Intl

£662JetBlue

Mon, 1 Mar - Thu, 4 Mar

Cheap last-minute flights

Enter your travel dates to find the best prices.

14:45 - 09:40GTF Great Falls-LHR London Heathrow

11h 55m1 stop Denver Intl

11:35 - 21:38LHR London Heathrow-GTF Great Falls

17h 03m1 stop Denver Intl

£766United Airlines

Wed, 4 Nov - Wed, 18 Nov

14:45 - 09:40GTF Great Falls-LHR London Heathrow

11h 55m1 stop Denver Intl

11:35 - 21:38LHR London Heathrow-GTF Great Falls

17h 03m1 stop Denver Intl

£803United Airlines

Fri, 6 Nov - Tue, 17 Nov

13:18 - 10:00GTF Great Falls-LHR London Heathrow

13h 42m1 stop Salt Lake City

10:45 - 17:39LHR London Heathrow-GTF Great Falls

13h 54m1 stop Salt Lake City

£826Delta

Wed, 4 Nov - Sun, 15 Nov

14:45 - 09:40GTF Great Falls-LHR London Heathrow

11h 55m1 stop Denver Intl

11:35 - 21:38LHR London Heathrow-GTF Great Falls

17h 03m1 stop Denver Intl

£840United Airlines

Thu, 5 Nov - Mon, 16 Nov

13:18 - 10:00GTF Great Falls-LHR London Heathrow

13h 42m1 stop Salt Lake City

10:45 - 17:39LHR London Heathrow-GTF Great Falls

13h 54m1 stop Salt Lake City

£863Delta

Fri, 6 Nov - Sun, 15 Nov

13:18 - 10:00GTF Great Falls-LHR London Heathrow

13h 42m1 stop Salt Lake City

10:45 - 17:39LHR London Heathrow-GTF Great Falls

13h 54m1 stop Salt Lake City

£906Delta

Sat, 7 Nov - Sat, 14 Nov

14:45 - 09:40GTF Great Falls-LHR London Heathrow

11h 55m1 stop Denver Intl

11:35 - 21:38LHR London Heathrow-GTF Great Falls

17h 03m1 stop Denver Intl

£977United Airlines

Sun, 8 Nov - Sat, 14 Nov

14:45 - 09:40GTF Great Falls-LHR London Heathrow

11h 55m1 stop Denver Intl

11:35 - 21:38LHR London Heathrow-GTF Great Falls

17h 03m1 stop Denver Intl

£1,222United Airlines

Sun, 8 Nov - Sun, 15 Nov

14:45 - 09:40GTF Great Falls-LHR London Heathrow

11h 55m1 stop Denver Intl

11:35 - 21:38LHR London Heathrow-GTF Great Falls

17h 03m1 stop Denver Intl

£1,259United Airlines

Thu, 5 Nov - Sun, 15 Nov

14:45 - 09:40GTF Great Falls-LHR London Heathrow

11h 55m1 stop Denver Intl

11:35 - 21:38LHR London Heathrow-GTF Great Falls

17h 03m1 stop Denver Intl

£1,631United Airlines

Wed, 4 Nov - Fri, 20 Nov

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Lufthansa flights from Montana to London Heathrow Airport

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

Lufthansa

29 Nov

FCA06:14Kalispell Glacier Park

20h 26m

1 stop

LHR09:40London Heathrow

8 Dec

LHR16:20London Heathrow

28h 16m

2 stops

FCA13:36Kalispell Glacier Park

£715

Lufthansa

25 Feb

BZN12:49Bozeman Gallatin Field

41h 01m

2 stops

LHR12:50London Heathrow

2 Mar

LHR06:30London Heathrow

19h 19m

2 stops

BZN18:49Bozeman Gallatin Field

£729

Lufthansa

25 Feb

BZN12:49Bozeman Gallatin Field

42h 56m

2 stops

LHR14:45London Heathrow

1 Mar

LHR15:30London Heathrow

34h 19m

2 stops

BZN18:49Bozeman Gallatin Field

£745

Austrian Airlines flights from Montana to London Heathrow Airport

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

Austrian Airlines

13 Dec

GTF14:47Great Falls

11h 53m

1 stop

LHR09:40London Heathrow

20 Dec

LHR11:35London Heathrow

33h 06m

1 stop

GTF13:41Great Falls

£1,215

Austrian Airlines

6 Nov

GTF14:45Great Falls

11h 55m

1 stop

LHR09:40London Heathrow

5 Jan

LHR18:00London Heathrow

26h 36m

2 stops

GTF13:36Great Falls

£6,560

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

BozemanLondon

BZN Bozeman Gallatin Field - LHR London Heathrow

BZNLHR

Bozeman Gallatin Field

Mon 1/3

17:55-11:15

1 stop34h 20m

London Heathrow

Thu 4/3

06:50-23:07

2 stops23h 17m

£573

BozemanLondon

BZN Bozeman Gallatin Field - LHR London Heathrow

BZNLHR

Bozeman Gallatin Field

Mon 1/3

14:44-12:00

2 stops38h 16m

London Heathrow

Thu 4/3

06:50-23:07

2 stops23h 17m

£576

Great FallsLondon

GTF Great Falls - LHR London Heathrow

GTFLHR

Great Falls

Mon 1/3

06:30-17:05

2 stops27h 35m

London Heathrow

Wed 3/3

11:10-21:34

2 stops41h 24m

£581

Great FallsLondon

GTF Great Falls - LHR London Heathrow

GTFLHR

Great Falls

Mon 1/3

06:30-08:25

2 stops18h 55m

London Heathrow

Wed 3/3

07:30-21:54

2 stops21h 24m

£585

Fastest return journey

Great FallsLondon

GTF Great Falls - LHR London Heathrow

GTFLHR

Great Falls

Mon 1/3

14:42-09:40

1 stop11h 58m

London Heathrow

Wed 3/3

07:30-21:54

2 stops21h 24m

£630

Great FallsLondon

GTF Great Falls - LHR London Heathrow

GTFLHR

Great Falls

Mon 1/3

14:42-09:40

1 stop11h 58m

London Heathrow

Wed 3/3

07:30-21:54

2 stops21h 24m

£631

BozemanLondon

BZN Bozeman Gallatin Field - LHR London Heathrow

BZNLHR

Bozeman Gallatin Field

Tue 2/3

13:00-06:55

1 stop34h 55m

London Heathrow

Mon 8/3

09:20-11:45

1 stop33h 25m

£639

BozemanLondon

BZN Bozeman Gallatin Field - LHR London Heathrow

BZNLHR

Bozeman Gallatin Field

Wed 24/2

13:00-06:55

1 stop34h 55m

London Heathrow

Mon 1/3

09:20-11:45

1 stop33h 25m

£643

BozemanLondon

BZN Bozeman Gallatin Field - LHR London Heathrow

BZNLHR

Bozeman Gallatin Field

Tue 2/3

12:49-10:50

2 stops15h 01m

London Heathrow

Tue 9/3

06:50-23:07

2 stops23h 17m

£661

BozemanLondon

BZN Bozeman Gallatin Field - LHR London Heathrow

BZNLHR

Bozeman Gallatin Field

Mon 1/3

14:34-21:40

1 stop24h 06m

London Heathrow

Thu 4/3

12:20-13:20

1 stop32h 00m

£662

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, March 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 £615. The month of January is another great option to travel to London Heathrow Airport, with average flight prices from Montana averaging around £638.

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	£248
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 £248. The best return flight deal from Montana to London Heathrow Airport found on momondo in the last 72 hours is £573.

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

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

Wembley

Gatwick

Milton Keynes

Stratford-upon-Avon

Southend-on-Sea

Luton

Northampton

Ipswich

Slough

Swindon

Maidstone

Folkestone

Hastings

Ilford

Canterbury

Poole

Salisbury

Colchester

Chichester

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.