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

Virgin Atlantic, United Airlines, and Delta are the most popular carriers operating from Montana to London Heathrow

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

On average, it takes 12h to fly from Montana to London Heathrow Airport if you fly out of Billings (the most popular airport in Montana) and into London Heathrow Airport (the most popular airport in London Heathrow Airport). If you’re flying out of Missoula and into London Heathrow Airport, then the flight time is around 12h 01m.

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

Prices for flights from Montana to London Heathrow Airport are refreshed on a daily basis.

How many operators does momondo search for flights from Montana to London Heathrow Airport?

There are 2 operators available for flights from Montana to London Heathrow Airport as of June 2026.

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

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to 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 required for your trip to London Heathrow Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at London Heathrow Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$330 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 round-trip flights

Enter your travel dates to find the best prices.

2:00 pm - 7:15 am

BZN

LHR

34h 15m

1 stop

11:45 am - 11:58 pm

LHR

BZN

42h 13m

2 stops

$810Virgin Atlantic

Thu, Oct 22 - Mon, Oct 26

3:40 pm - 5:35 pm

BZN

LHR

18h 55m

2 stops

11:45 am - 11:58 pm

LHR

BZN

42h 13m

2 stops

$818Virgin Atlantic

Thu, Oct 22 - Mon, Oct 26

10:00 am - 8:30 am

BTM

LHR

39h 30m

2 stops

6:35 am - 10:27 pm

LHR

BTM

22h 52m

2 stops

$838United Airlines

Tue, Nov 10 - Fri, Nov 13

5:57 pm - 9:40 am

BIL

LHR

32h 43m

1 stop

7:30 am - 9:00 pm

LHR

BIL

20h 30m

2 stops

$847United Airlines

Tue, Sep 8 - Fri, Sep 11

3:54 pm - 3:35 pm

BZN

LHR

16h 41m

1 stop

6:30 am - 5:55 pm

LHR

BZN

18h 25m

2 stops

$876KLM

Sun, Sep 6 - Fri, Oct 9

5:25 am - 10:00 am

FCA

LHR

21h 35m

1 stop

8:25 pm - 5:45 pm

LHR

FCA

28h 20m

2 stops

$876KLM

Mon, Nov 2 - Wed, Dec 2

5:45 am - 10:00 am

BIL

LHR

21h 15m

1 stop

6:30 am - 11:11 pm

LHR

BIL

23h 41m

2 stops

$876Delta

Wed, Sep 9 - Tue, Sep 15

2:35 pm - 12:35 pm

HLN

LHR

15h 00m

1 stop

6:55 am - 9:03 pm

LHR

HLN

21h 08m

2 stops

$876Lufthansa

Sun, Sep 6 - Fri, Oct 9

5:45 am - 10:00 am

BZN

LHR

21h 15m

1 stop

11:45 am - 11:58 pm

LHR

BZN

19h 13m

2 stops

$877Delta

Wed, Nov 4 - Wed, Nov 11

2:35 pm - 12:35 pm

HLN

LHR

15h 00m

1 stop

6:55 am - 9:03 pm

LHR

HLN

21h 08m

2 stops

$877Lufthansa

Sun, Sep 6 - Fri, Oct 9

Virgin Atlantic flights from Montana to London Heathrow Airport

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

Virgin Atlantic

Oct 22

BZN2:00 pmBozeman Gallatin Field

34h 15m

1 stop

LHR7:15 amLondon Heathrow

Oct 26

LHR11:45 amLondon Heathrow

42h 13m

2 stops

BZN11:58 pmBozeman Gallatin Field

$810

Virgin Atlantic

Oct 22

BZN3:40 pmBozeman Gallatin Field

18h 55m

2 stops

LHR5:35 pmLondon Heathrow

Oct 26

LHR11:45 amLondon Heathrow

42h 13m

2 stops

BZN11:58 pmBozeman Gallatin Field

$818

Virgin Atlantic

Jun 7

FCA3:29 pmKalispell Glacier Park

14h 36m

1 stop

LHR1:05 pmLondon Heathrow

Jun 14

LHR11:30 amLondon Heathrow

19h 08m

2 stops

FCA11:38 pmKalispell Glacier Park

$1,353

United Airlines flights from Montana to London Heathrow Airport

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

United Airlines

Nov 10

BTM10:00 amButte Silver Bow Co

39h 30m

2 stops

LHR8:30 amLondon Heathrow

Nov 13

LHR6:35 amLondon Heathrow

22h 52m

2 stops

BTM10:27 pmButte Silver Bow Co

$838

United Airlines

Sep 8

BIL5:57 pmBillings Logan Intl

32h 43m

1 stop

LHR9:40 amLondon Heathrow

Sep 11

LHR7:30 amLondon Heathrow

20h 30m

2 stops

BIL9:00 pmBillings Logan Intl

$847

United Airlines

Nov 10

BTM10:00 amButte Silver Bow Co

16h 40m

1 stop

LHR9:40 amLondon Heathrow

Nov 13

LHR6:35 amLondon Heathrow

22h 52m

2 stops

BTM10:27 pmButte Silver Bow Co

$874

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 round-trip

BozemanLondon

BZN - LHR

BZNLHR

Bozeman Gallatin Field

Thu 10/22

2:00 pm-7:15 am

1 stop34h 15m

London Heathrow

Mon 10/26

11:45 am-11:58 pm

2 stops42h 13m

$810

BozemanLondon

BZN - LHR

BZNLHR

Bozeman Gallatin Field

Thu 10/22

3:40 pm-5:35 pm

2 stops18h 55m

London Heathrow

Mon 10/26

11:45 am-11:58 pm

2 stops42h 13m

$818

ButteLondon

BTM - LHR

BTMLHR

Butte Silver Bow Co

Tue 11/10

10:00 am-8:30 am

2 stops39h 30m

London Heathrow

Fri 11/13

6:35 am-10:27 pm

2 stops22h 52m

$838

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

Tue 9/8

5:57 pm-9:40 am

1 stop32h 43m

London Heathrow

Fri 9/11

7:30 am-9:00 pm

2 stops20h 30m

$847

Quickest round-trip

BozemanLondon

BZN - LHR

BZNLHR

Bozeman Gallatin Field

Sun 9/6

3:54 pm-3:35 pm

1 stop16h 41m

London Heathrow

Fri 10/9

6:30 am-5:55 pm

2 stops18h 25m

$876

KalispellLondon

FCA - LHR

FCALHR

Kalispell Glacier Park

Mon 11/2

5:25 am-10:00 am

1 stop21h 35m

London Heathrow

Wed 12/2

8:25 pm-5:45 pm

2 stops28h 20m

$876

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

Wed 9/9

5:45 am-10:00 am

1 stop21h 15m

London Heathrow

Tue 9/15

6:30 am-11:11 pm

2 stops23h 41m

$876

HelenaLondon

HLN - LHR

HLNLHR

Helena

Sun 9/6

2:35 pm-12:35 pm

1 stop15h 00m

London Heathrow

Fri 10/9

6:55 am-9:03 pm

2 stops21h 08m

$876

BozemanLondon

BZN - LHR

BZNLHR

Bozeman Gallatin Field

Wed 11/4

5:45 am-10:00 am

1 stop21h 15m

London Heathrow

Wed 11/11

11:45 am-11:58 pm

2 stops19h 13m

$877

HelenaLondon

HLN - LHR

HLNLHR

Helena

Sun 9/6

2:35 pm-12:35 pm

1 stop15h 00m

London Heathrow

Fri 10/9

6:55 am-9:03 pm

2 stops21h 08m

$877

Flights are sorted by cheapest round-trip 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?

The month of February is, on average, the cheapest month to fly to London Heathrow Airport from Montana, with most prices found around $0. If you’re not able to fly to London Heathrow Airport in February, then August is your next best option. Flight prices from Montana to London Heathrow Airport during August average around $599.

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

You could potentially save up to 11% 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 are refreshed on a daily basis.
How many operators does momondo search for flights from Montana to London Heathrow Airport?
There are 2 operators available for flights from Montana to London Heathrow Airport as of June 2026.
How old do you have to be to fly from Montana to London Heathrow Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to 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 required for your trip to London Heathrow Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at London Heathrow Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Montana to London Heathrow Airport

Compare and see reviews for airlines that fly from Montana to London Heathrow Airport with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $556	Free Cancellation	Rating 7.4 9,773 reviews		Search United Airlines flights
Delta	PriceFrom $604	Free Cancellation	Rating 7.8 8,395 reviews		Search Delta flights

Hounslow

Gatwick

Milton Keynes

Luton

Dover

Hayes

Crawley

Croydon

Wembley

Stratford-upon-Avon

Stansted

Slough

Harrow

Brentwood

Watford

Cobham

Guildford

Folkestone

Uxbridge

Romford

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Montana to London for you.

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

Yes. momondo enables you to select and highlight flights to London from Montana with this policy.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to London from Montana.

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

If you are simply researching potential flights to London, momondo offers a useful price alert feature which will track prices for flights to London from Montana and alert you when they change.

An easier way to manage your London Heathrow Airport trip

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

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Popular cities in the United Kingdom

Flights to London Gatwick Airportfrom $386

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Flights to London City Airportfrom $745

Flights to London Luton Airportfrom $564

Flights to Glasgow Intl Airportfrom $569

Flights to London Southend Airportfrom $698

Flights to Belfast Intl Airportfrom $647

Flights to Belfast City Airportfrom $647

Cheap flights from Montana to London from $331

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 9/13. 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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Big names and deals

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Filter for what you want

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Cheap round-trip flights

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Virgin Atlantic flights from Montana to London Heathrow Airport

Our best Virgin Atlantic 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

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

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

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

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

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

Direct flights

Frequently asked questions about flying from Montana to London Heathrow Airport

Best airlines flying from Montana to London Heathrow Airport

Compare and see reviews for airlines that fly from Montana to London Heathrow Airport with momondo

Traveling to a place near London?

Why use momondo?

An easier way to manage your London Heathrow Airport trip

We make it super easy to schedule, organize 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

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According to popular flight searches on momondo this year

London Heathrow Airport flight routes

According to popular flight searches on momondo this year

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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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