Cheap flights from Montana to London from $425

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 1/4. 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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0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Virgin Atlantic Logo
3:00 pm - 12:50 pmBZN-LHR
14h 50m1 stop
Virgin Atlantic Logo
11:05 am - 11:37 pmLHR-BZN
19h 32m1 stop
$585Virgin Atlantic
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Mon, Dec 8 - Mon, Dec 15
Multiple Airlines Logo
5:25 am - 10:00 amMSO-LHR
21h 35m1 stop
Multiple Airlines Logo
8:40 am - 9:53 pmLHR-MSO
20h 13m2 stops
$590Multiple Airlines
Find Deal
Wed, Nov 26 - Wed, Dec 3
Delta Logo
7:23 am - 10:30 amBZN-LHR
20h 07m1 stop
Delta Logo
6:20 am - 10:27 pmLHR-BZN
23h 07m2 stops
$622Delta
Find Deal
Thu, Jan 29 - Fri, Feb 6
KLM Logo
7:23 am - 10:30 amBZN-LHR
20h 07m1 stop
KLM Logo
8:25 pm - 5:48 pmLHR-BZN
28h 23m2 stops
$623KLM
Find Deal
Thu, Jan 8 - Tue, Jan 13
United Airlines Logo
2:37 pm - 9:40 amMSO-LHR
12h 03m1 stop
United Airlines Logo
6:35 am - 9:51 pmLHR-MSO
22h 16m2 stops
$625United Airlines
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Tue, Jan 13 - Tue, Jan 27
Delta Logo
6:00 am - 7:50 amBZN-LHR
18h 50m2 stops
Delta Logo
6:20 am - 10:27 pmLHR-BZN
23h 07m2 stops
$626Delta
Find Deal
Thu, Jan 29 - Fri, Feb 6
KLM Logo
11:40 am - 8:45 amBZN-LHR
14h 05m2 stops
KLM Logo
8:25 pm - 5:48 pmLHR-BZN
28h 23m2 stops
$627KLM
Find Deal
Thu, Jan 8 - Tue, Jan 13
United Airlines Logo
9:14 am - 9:40 amBTM-LHR
17h 26m1 stop
United Airlines Logo
7:30 am - 10:45 pmLHR-BTM
22h 15m2 stops
$631United Airlines
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Thu, Jan 8 - Mon, Jan 12
Lufthansa Logo
12:46 pm - 3:50 pmBZN-LHR
20h 04m2 stops
Lufthansa Logo
7:30 am - 9:10 pmLHR-BZN
19h 40m2 stops
$709Lufthansa
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Thu, Jan 15 - Thu, Mar 12
Lufthansa Logo
2:43 pm - 2:40 pmBZN-LHR
16h 57m2 stops
Lufthansa Logo
6:55 am - 9:17 pmLHR-BZN
21h 22m2 stops
$804Lufthansa
Find Deal
Tue, Apr 14 - Tue, Apr 28

Virgin Atlantic flights from Montana to London

Our best Virgin Atlantic deals on Montana to London flight tickets
Virgin Atlantic
Dec 8
BZN3:00 pmBozeman Gallatin Field
14h 50m
1 stop
LHR12:50 pmLondon Heathrow
Dec 15
LHR11:05 amLondon Heathrow
19h 32m
1 stop
BZN11:37 pmBozeman Gallatin Field
Virgin Atlantic
Feb 4
BZN3:00 pmBozeman Gallatin Field
12h 30m
1 stop
LHR10:30 amLondon Heathrow
Feb 11
LHR6:20 amLondon Heathrow
23h 07m
2 stops
BZN10:27 pmBozeman Gallatin Field
Virgin Atlantic
Dec 8
BZN11:45 amBozeman Gallatin Field
15h 30m
2 stops
LHR10:15 amLondon Heathrow
Dec 15
LHR1:05 pmLondon Heathrow
17h 32m
2 stops
BZN11:37 pmBozeman Gallatin Field

Delta flights from Montana to London

Our best Delta deals on Montana to London flight tickets
Delta
Jan 29
BZN7:23 amBozeman Gallatin Field
20h 07m
1 stop
LHR10:30 amLondon Heathrow
Feb 6
LHR6:20 amLondon Heathrow
23h 07m
2 stops
BZN10:27 pmBozeman Gallatin Field
Delta
Jan 29
BZN6:00 amBozeman Gallatin Field
18h 50m
2 stops
LHR7:50 amLondon Heathrow
Feb 6
LHR6:20 amLondon Heathrow
23h 07m
2 stops
BZN10:27 pmBozeman Gallatin Field
Delta
Nov 12
BZN7:25 amBozeman Gallatin Field
18h 20m
2 stops
LHR8:45 amLondon Heathrow
Nov 16
LHR8:55 amLondon Heathrow
21h 39m
2 stops
BZN11:34 pmBozeman Gallatin Field

momondo Fare Finder

 
Customize your flight search to find flights from Montana to London that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated November 10, 2025.
Use the filters below to find and compare flights from Montana to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BozemanLondon

BZN - LHR

BZNLHR

Bozeman Gallatin Field

Mon 12/8

3:00 pm-12:50 pm

1 stop14h 50m

London Heathrow

Mon 12/15

11:05 am-11:37 pm

1 stop19h 32m

$585

MissoulaLondon

MSO - LHR

MSOLHR

Missoula Johnson-Bell Field

Wed 11/26

5:25 am-10:00 am

1 stop21h 35m

London Heathrow

Wed 12/3

8:40 am-9:53 pm

2 stops20h 13m

$590

BozemanLondon

BZN - LHR

BZNLHR

Bozeman Gallatin Field

Thu 1/29

7:23 am-10:30 am

1 stop20h 07m

London Heathrow

Fri 2/6

6:20 am-10:27 pm

2 stops23h 07m

$622

BozemanLondon

BZN - LHR

BZNLHR

Bozeman Gallatin Field

Thu 1/8

7:23 am-10:30 am

1 stop20h 07m

London Heathrow

Tue 1/13

8:25 pm-5:48 pm

2 stops28h 23m

$623

MissoulaLondon

MSO - LHR

MSOLHR

Missoula Johnson-Bell Field

Tue 1/13

2:37 pm-9:40 am

1 stop12h 03m

London Heathrow

Tue 1/27

6:35 am-9:51 pm

2 stops22h 16m

$625

BozemanLondon

BZN - LHR

BZNLHR

Bozeman Gallatin Field

Thu 1/29

6:00 am-7:50 am

2 stops18h 50m

London Heathrow

Fri 2/6

6:20 am-10:27 pm

2 stops23h 07m

$626

BozemanLondon

BZN - LHR

BZNLHR

Bozeman Gallatin Field

Thu 1/8

11:40 am-8:45 am

2 stops14h 05m

London Heathrow

Tue 1/13

8:25 pm-5:48 pm

2 stops28h 23m

$627

ButteLondon

BTM - LHR

BTMLHR

Butte Silver Bow Co

Thu 1/8

9:14 am-9:40 am

1 stop17h 26m

London Heathrow

Mon 1/12

7:30 am-10:45 pm

2 stops22h 15m

$631

BozemanLondon

BZN - LHR

BZNLHR

Bozeman Gallatin Field

Thu 1/15

12:46 pm-3:50 pm

2 stops20h 04m

London Heathrow

Thu 3/12

7:30 am-9:10 pm

2 stops19h 40m

$709

BozemanLondon

BZN - LHR

BZNLHR

Bozeman Gallatin Field

Tue 4/14

2:43 pm-2:40 pm

2 stops16h 57m

London Heathrow

Tue 4/28

6:55 am-9:17 pm

2 stops21h 22m

$804

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to London from

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

What is the cheapest month to fly to London?

The cheapest month to fly to London from Montana is in October. Flight prices, which tend to average around $689, are often lower during this time because this is during the off-season. The month of February is another great option to travel to London, with average flight prices from Montana averaging around $743.

What is the cheapest day to depart on your flight to London?

The cheapest day to depart from Montana to London is on a Monday. Travelers who choose to depart for London on a Monday will often find tickets for as low as $800. If your travel schedule is flexible, try to avoid departing on a Thursday because tickets tend to average around $1,005. These prices are subject to change though, so be sure to set up a Price Alert for flights to London.

What is the cheapest time of day to depart on your flight to London?

Flying to London from Montana in the morning is the least expensive time of day to depart. momondo users have found prices as low as $852 when looking at flights departing in the morning. Flights to London are more costly in the afternoon, with an average ticket price of $867. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

Can stopping save me money on Montana to London flights?

You could potentially save up to 26% 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

Direct flights

None
There are no direct flights from Montana to London. There are no popular flight routes from Montana to London.
  • When did momondo last update prices for flights from Montana to London?

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

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check 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 required for your trip to London 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. 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

Compare and see reviews for airlines that fly from Montana to London with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $645Free CancellationRating
7.4
9,012 reviews
Search United Airlines flights
DeltaPriceFrom $677Free CancellationRating
7.9
8,004 reviews
Search Delta flights

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Gatwick
Hounslow
Milton Keynes
Dover
Luton
Slough
Guildford
Hayes
Dartford
Crawley
Brentwood
Chelmsford
Wembley
Folkestone
Romford
Ilford
Cobham
Stansted
Harrow
Watford

Why use momondo?

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

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

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

momondo does allow users to show only those flights to London 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 London?

momondo provides multiple filters to help you find the best flight to London from Montana. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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.

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1 adult
Wed 12/10
Wed 12/17

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