How long is the flight from Montana to United Kingdom?

The flight from Montana to United Kingdom depends on which airports you’re departing and arriving from and whether or not you have a layover. If you fly from Billings (a popular airport in Montana) to London Heathrow Airport (the most popular airport in United Kingdom), then the flight time is 12h 05m on average. If you fly from Kalispell (another popular airport in Montana) to London Heathrow Airport, then the average flight time is 12h 07m.

What is the cheapest airline that flies from Montana to United Kingdom?

United Airlines, JetBlue, and KLM are the most popular carriers operating from Montana to United Kingdom

What airlines fly to United Kingdom?

United Airlines, Delta and KLM are the top three most popular airlines that fly to United Kingdom from Montana according to our data. United Airlines is the first choice among our users, with 86% of people opting to fly with this airline when traveling to United Kingdom. Keep in mind that there are 4 different airlines that fly to United Kingdom on a routine basis, so you have a few additional options to choose from.

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

Prices for flights from Montana to United Kingdom were last updated today.

How many operators does momondo search for flights from Montana to United Kingdom?

As of February 2026, there are 2 operators available to choose from for flights from Montana to United Kingdom.

How old do you have to be to fly from Montana to United Kingdom?

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 United Kingdom.

What documentation or ID do you need to fly to United Kingdom?

The necessary travel and health documents for your United Kingdom trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$225 Cheap Flights from Montana to the United Kingdom in 2026

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Find the cheapest flights from Montana to the United Kingdom

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

2:27 pm - 12:20 pm

MSO

LHR

14h 53m

1 stop

9:30 am - 10:30 pm

LHR

MSO

20h 00m

2 stops

$671United Airlines

Wed, Aug 12 - Wed, Aug 26

6:15 am - 11:35 am

MSO

LHR

22h 20m

2 stops

9:30 am - 10:30 pm

LHR

MSO

20h 00m

2 stops

$676United Airlines

Wed, Aug 12 - Wed, Aug 26

1:07 pm - 8:25 am

MSO

MAN

36h 18m

2 stops

3:00 pm - 12:16 am

MAN

MSO

40h 16m

2 stops

$749Virgin Atlantic

Tue, Apr 7 - Tue, Apr 14

2:53 pm - 1:15 pm

BZN

LHR

15h 22m

1 stop

6:30 am - 8:11 pm

LHR

BZN

20h 41m

2 stops

$816Delta

Sun, Apr 19 - Tue, May 5

6:34 pm - 8:10 pm

BZN

LHR

18h 36m

2 stops

8:40 am - 8:11 pm

LHR

BZN

18h 31m

2 stops

$820Delta

Sun, Apr 19 - Tue, May 5

5:58 am - 1:05 pm

BZN

LHR

24h 07m

1 stop

10:55 am - 5:54 pm

LHR

BZN

13h 59m

1 stop

$835Multiple Airlines

Sun, Apr 12 - Tue, Apr 28

1:45 pm - 1:05 pm

BZN

LHR

16h 20m

1 stop

11:40 am - 10:40 pm

LHR

BZN

18h 00m

1 stop

$844KLM

Tue, Apr 14 - Tue, Apr 28

2:01 pm - 1:05 pm

BZN

LHR

16h 04m

1 stop

6:30 am - 5:54 pm

LHR

BZN

18h 24m

2 stops

$846KLM

Tue, Apr 7 - Tue, Apr 14

12:10 pm - 10:00 am

FCA

LHR

14h 50m

1 stop

6:30 am - 11:27 pm

LHR

FCA

23h 57m

2 stops

$852Virgin Atlantic

Wed, Apr 8 - Wed, Apr 15

7:00 am - 8:35 am

BIL

LHR

18h 35m

3 stops

2:10 pm - 1:23 pm

LHR

BIL

30h 13m

2 stops

$872Multiple Airlines

Tue, Apr 7 - Tue, Apr 14

American Airlines flights from Montana to United Kingdom

Our best American Airlines deals on Montana to United Kingdom flight tickets

American Airlines

Aug 19

FCA1:25 pmKalispell Glacier Park

12h 40m

1 stop

LHR9:05 amLondon Heathrow

Aug 26

LHR4:25 pmLondon Heathrow

25h 35m

1 stop

FCA11:00 amKalispell Glacier Park

$844

American Airlines

Aug 2

BZN4:15 pmBozeman Gallatin Field

15h 10m

1 stop

LHR2:25 pmLondon Heathrow

Aug 10

LHR8:55 amLondon Heathrow

17h 22m

1 stop

BZN7:17 pmBozeman Gallatin Field

$1,035

United Airlines flights from Montana to United Kingdom

Our best United Airlines deals on Montana to United Kingdom flight tickets

United Airlines

Aug 12

MSO2:27 pmMissoula Johnson-Bell Field

14h 53m

1 stop

LHR12:20 pmLondon Heathrow

Aug 26

LHR9:30 amLondon Heathrow

20h 00m

2 stops

MSO10:30 pmMissoula Johnson-Bell Field

$671

United Airlines

Aug 12

MSO6:15 amMissoula Johnson-Bell Field

22h 20m

2 stops

LHR11:35 amLondon Heathrow

Aug 26

LHR9:30 amLondon Heathrow

20h 00m

2 stops

MSO10:30 pmMissoula Johnson-Bell Field

$676

United Airlines

Aug 12

MSO2:27 pmMissoula Johnson-Bell Field

14h 53m

1 stop

LHR12:20 pmLondon Heathrow

Aug 26

LHR2:50 pmLondon Heathrow

13h 36m

1 stop

MSO9:26 pmMissoula Johnson-Bell Field

$688

momondo Fare Finder

Use the filters below to find and compare flights from Montana to the United Kingdom that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

MissoulaLondon

MSO - LHR

MSOLHR

Missoula Johnson-Bell Field

Wed 8/12

2:27 pm-12:20 pm

1 stop14h 53m

London Heathrow

Wed 8/26

9:30 am-10:30 pm

2 stops20h 00m

$671

MissoulaLondon

MSO - LHR

MSOLHR

Missoula Johnson-Bell Field

Wed 8/12

6:15 am-11:35 am

2 stops22h 20m

London Heathrow

Wed 8/26

9:30 am-10:30 pm

2 stops20h 00m

$676

MissoulaManchester

MSO - MAN

MSOMAN

Missoula Johnson-Bell Field

Tue 4/7

1:07 pm-8:25 am

2 stops36h 18m

Manchester

Tue 4/14

3:00 pm-12:16 am

2 stops40h 16m

$749

BozemanLondon

BZN - LHR

BZNLHR

Bozeman Gallatin Field

Sun 4/19

2:53 pm-1:15 pm

1 stop15h 22m

London Heathrow

Tue 5/5

6:30 am-8:11 pm

2 stops20h 41m

$816

BozemanLondon

BZN - LHR

BZNLHR

Bozeman Gallatin Field

Sun 4/19

6:34 pm-8:10 pm

2 stops18h 36m

London Heathrow

Tue 5/5

8:40 am-8:11 pm

2 stops18h 31m

$820

BozemanLondon

BZN - LHR

BZNLHR

Bozeman Gallatin Field

Sun 4/12

5:58 am-1:05 pm

1 stop24h 07m

London Heathrow

Tue 4/28

10:55 am-5:54 pm

1 stop13h 59m

$835

BozemanLondon

BZN - LHR

BZNLHR

Bozeman Gallatin Field

Tue 4/14

1:45 pm-1:05 pm

1 stop16h 20m

London Heathrow

Tue 4/28

11:40 am-10:40 pm

1 stop18h 00m

$844

BozemanLondon

BZN - LHR

BZNLHR

Bozeman Gallatin Field

Tue 4/7

2:01 pm-1:05 pm

1 stop16h 04m

London Heathrow

Tue 4/14

6:30 am-5:54 pm

2 stops18h 24m

$846

KalispellLondon

FCA - LHR

FCALHR

Kalispell Glacier Park

Wed 4/8

12:10 pm-10:00 am

1 stop14h 50m

London Heathrow

Wed 4/15

6:30 am-11:27 pm

2 stops23h 57m

$852

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

Tue 4/7

7:00 am-8:35 am

3 stops18h 35m

London Heathrow

Tue 4/14

2:10 pm-1:23 pm

2 stops30h 13m

$872

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 United Kingdom

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 United Kingdom?

In general, October is the cheapest month to fly from Montana to United Kingdom. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $689. If you aren’t able to travel to United Kingdom during the month of October, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $730.

Can stopping save me money on Montana to United Kingdom flights?

You could potentially save up to 15% on your flight if you consider stops on a Montana to United Kingdom flight.

Cheap Montana to United Kingdom flight deals and tips

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

Fastest flight time	12h 05m
Direct flights	None

The fastest flight from Montana to United Kingdom takes 12h 05m

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

Search flight deals

When did momondo last update prices for flights from Montana to United Kingdom?
Prices for flights from Montana to United Kingdom were last updated today.
How many operators does momondo search for flights from Montana to United Kingdom?
As of February 2026, there are 2 operators available to choose from for flights from Montana to United Kingdom.
How old do you have to be to fly from Montana to United Kingdom?
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 United Kingdom.
What documentation or ID do you need to fly to United Kingdom?
The necessary travel and health documents for your United Kingdom trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Montana to United Kingdom

Compare and see reviews for airlines that fly from Montana to United Kingdom with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $604	Free Cancellation	Rating 7.9 8,239 reviews	Search Delta flights
United Airlines	PriceFrom $645	Free Cancellation	Rating 7.4 9,344 reviews	Search United Airlines flights
American Airlines	PriceFrom $652	Free Cancellation	Rating 7.2 11,344 reviews	Search American Airlines flights
KLM	PriceFrom $799	Free Cancellation	Rating 7.7 1,460 reviews	Search KLM flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Montana to United Kingdom. Millions of users trust and use momondo every year so you are in good hands.

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

momondo does allow users to show only those flights to United Kingdom from Montana which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Montana to United Kingdom?

Once all potential Montana to United Kingdom flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Price alerts on flights to United Kingdom from Montana are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.