Cheap flights from Montana to London from $297

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 3/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Montana to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
Lufthansa Logo
12:46 pm - 7:55 am
BZN
-
LHR
12h 09m1 stop
Lufthansa Logo
8:15 pm - 6:22 pm
LHR
-
BZN
29h 07m2 stops
$607Lufthansa
Thu, Jan 22 - Thu, Jan 29
Virgin Atlantic Logo
12:30 pm - 9:00 am
BZN
-
LHR
13h 30m1 stop
Virgin Atlantic Logo
3:05 pm - 10:25 pm
LHR
-
BZN
14h 20m1 stop
$622Virgin Atlantic
Sat, Feb 7 - Sat, Feb 14
United Airlines Logo
10:00 am - 9:40 am
BTM
-
LHR
16h 40m1 stop
United Airlines Logo
11:10 am - 10:26 pm
LHR
-
BTM
18h 16m2 stops
$624United Airlines
Fri, Feb 20 - Tue, Feb 24
KLM Logo
7:23 am - 10:30 am
BZN
-
LHR
20h 07m1 stop
KLM Logo
8:40 am - 8:08 pm
LHR
-
BZN
18h 28m2 stops
$625KLM
Sat, Feb 7 - Sat, Feb 14
Lufthansa Logo
12:46 pm - 4:50 pm
BZN
-
LHR
21h 04m2 stops
Lufthansa Logo
8:15 pm - 6:22 pm
LHR
-
BZN
29h 07m2 stops
$626Lufthansa
Thu, Jan 22 - Thu, Jan 29
United Airlines Logo
2:45 pm - 9:40 am
BIL
-
LHR
11h 55m1 stop
United Airlines Logo
6:35 am - 9:23 pm
LHR
-
BIL
21h 48m2 stops
$628United Airlines
Wed, Jan 21 - Wed, Jan 28
KLM Logo
7:23 am - 10:30 am
BZN
-
LHR
20h 07m1 stop
KLM Logo
6:30 am - 8:06 pm
LHR
-
BZN
20h 36m2 stops
$629KLM
Thu, Feb 5 - Mon, Feb 9
Delta Logo
6:00 am - 9:05 am
BZN
-
LHR
20h 05m2 stops
Delta Logo
6:30 am - 8:08 pm
LHR
-
BZN
20h 38m2 stops
$635Delta
Sat, Feb 7 - Sat, Feb 14
Delta Logo
2:44 pm - 11:10 am
BZN
-
LHR
13h 26m1 stop
Delta Logo
11:30 am - 10:40 pm
LHR
-
BZN
18h 10m2 stops
$651Delta
Tue, Apr 14 - Tue, Apr 28
Air Canada Logo
7:00 am - 7:10 am
BIL
-
LHR
17h 10m2 stops
Air Canada Logo
6:00 pm - 9:50 am
LHR
-
BIL
46h 50m2 stops
$672Air Canada
Wed, Feb 25 - Sun, Mar 1

KLM flights from Montana to London

Our best KLM deals on Montana to London flight tickets
KLM
Feb 7
BZN7:23 amBozeman Gallatin Field
20h 07m
1 stop
LHR10:30 amLondon Heathrow
Feb 14
LHR8:40 amLondon Heathrow
18h 28m
2 stops
BZN8:08 pmBozeman Gallatin Field
KLM
Feb 5
BZN7:23 amBozeman Gallatin Field
20h 07m
1 stop
LHR10:30 amLondon Heathrow
Feb 9
LHR6:30 amLondon Heathrow
20h 36m
2 stops
BZN8:06 pmBozeman Gallatin Field
KLM
Feb 5
BZN11:40 amBozeman Gallatin Field
15h 35m
2 stops
LHR10:15 amLondon Heathrow
Feb 9
LHR6:30 amLondon Heathrow
20h 36m
2 stops
BZN8:06 pmBozeman Gallatin Field

Lufthansa flights from Montana to London

Our best Lufthansa deals on Montana to London flight tickets
Lufthansa
Jan 22
BZN12:46 pmBozeman Gallatin Field
12h 09m
1 stop
LHR7:55 amLondon Heathrow
Jan 29
LHR8:15 pmLondon Heathrow
29h 07m
2 stops
BZN6:22 pmBozeman Gallatin Field
Lufthansa
Jan 22
BZN12:46 pmBozeman Gallatin Field
21h 04m
2 stops
LHR4:50 pmLondon Heathrow
Jan 29
LHR8:15 pmLondon Heathrow
29h 07m
2 stops
BZN6:22 pmBozeman Gallatin Field
Lufthansa
Mar 24
BZN2:43 pmBozeman Gallatin Field
12h 57m
1 stop
LHR9:40 amLondon Heathrow
Mar 30
LHR7:30 pmLondon Heathrow
33h 30m
2 stops
BZN10:00 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 December 25, 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

Thu 1/22

12:46 pm-7:55 am

1 stop12h 09m

London Heathrow

Thu 1/29

8:15 pm-6:22 pm

2 stops29h 07m

$607

BozemanLondon

BZN - LHR

BZNLHR

Bozeman Gallatin Field

Sat 2/7

12:30 pm-9:00 am

1 stop13h 30m

London Heathrow

Sat 2/14

3:05 pm-10:25 pm

1 stop14h 20m

$622

ButteLondon

BTM - LHR

BTMLHR

Butte Silver Bow Co

Fri 2/20

10:00 am-9:40 am

1 stop16h 40m

London Heathrow

Tue 2/24

11:10 am-10:26 pm

2 stops18h 16m

$624

BozemanLondon

BZN - LHR

BZNLHR

Bozeman Gallatin Field

Sat 2/7

7:23 am-10:30 am

1 stop20h 07m

London Heathrow

Sat 2/14

8:40 am-8:08 pm

2 stops18h 28m

$625

BozemanLondon

BZN - LHR

BZNLHR

Bozeman Gallatin Field

Thu 1/22

12:46 pm-4:50 pm

2 stops21h 04m

London Heathrow

Thu 1/29

8:15 pm-6:22 pm

2 stops29h 07m

$626

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

Wed 1/21

2:45 pm-9:40 am

1 stop11h 55m

London Heathrow

Wed 1/28

6:35 am-9:23 pm

2 stops21h 48m

$628

BozemanLondon

BZN - LHR

BZNLHR

Bozeman Gallatin Field

Thu 2/5

7:23 am-10:30 am

1 stop20h 07m

London Heathrow

Mon 2/9

6:30 am-8:06 pm

2 stops20h 36m

$629

BozemanLondon

BZN - LHR

BZNLHR

Bozeman Gallatin Field

Sat 2/7

6:00 am-9:05 am

2 stops20h 05m

London Heathrow

Sat 2/14

6:30 am-8:08 pm

2 stops20h 38m

$635

BozemanLondon

BZN - LHR

BZNLHR

Bozeman Gallatin Field

Tue 4/14

2:44 pm-11:10 am

1 stop13h 26m

London Heathrow

Tue 4/28

11:30 am-10:40 pm

2 stops18h 10m

$651

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

Wed 2/25

7:00 am-7:10 am

2 stops17h 10m

London Heathrow

Sun 3/1

6:00 pm-9:50 am

2 stops46h 50m

$672

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 November is another great option to travel to London, with average flight prices from Montana averaging around $730.

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.

Cheap Montana to London flight deals and tips

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

Fastest flight time

11h 55m

Direct flights

None
The fastest flight from Montana to London takes 11h 55m
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
DeltaPriceFrom $604Free CancellationRating
7.9
8,012 reviews
Search Delta flights
United AirlinesPriceFrom $645Free CancellationRating
7.4
9,115 reviews
Search United Airlines flights
Virgin AtlanticPriceFrom $707Free CancellationRating
7.5
677 reviews
Search Virgin Atlantic 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
Watford
Wembley
Cobham
Folkestone
Romford
Richmond
Uxbridge
Chelmsford
Stansted

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
Sat 1/24
Sat 1/31

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