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Cheap flights from Montana to London from £253

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/3. Fares are subject to change and may not be available on all flights or dates of travel.
BZN — LON
27 Feb — 6 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Montana to London

Enter your travel dates to find the best prices.

Cheapest flights from Montana to London
Explore the most affordable flight options available from Montana to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 28 January 2026.

Tue 24/211:45
BIL
-
LHR
1 stop15h 15m
KLM
Tue 3/308:40
LHR
-
BIL
2 stops17h 59m
KLM
Deal found 27/1£456
Tue 24/213:16
MSO
-
LHR
1 stop13h 44m
KLM
Tue 3/308:40
LHR
-
MSO
2 stops18h 21m
KLM
Deal found 26/1£459
Tue 14/414:40
BZN
-
LHR
2 stops21h 00m
Lufthansa
Tue 28/407:25
LHR
-
BZN
2 stops21h 07m
Lufthansa
Deal found 26/1£462
Tue 24/207:30
MSO
-
LHR
2 stops18h 30m
Delta
Tue 3/308:40
LHR
-
MSO
2 stops18h 21m
Delta
Deal found 26/1£463
Thu 26/218:20
GTF
-
LHR
2 stops18h 50m
Delta
Thu 5/306:20
LHR
-
GTF
2 stops18h 13m
Delta
Deal found 27/1£467
Sat 7/313:10
BZN
-
LHR
1 stop17h 20m
United Airlines
Sat 14/318:00
LHR
-
BZN
2 stops34h 12m
United Airlines
Deal found 26/1£468
Wed 25/214:34
MSO
-
LHR
1 stop12h 06m
United Airlines
Sun 1/311:10
LHR
-
MSO
2 stops41h 47m
United Airlines
Deal found 25/1£468
Thu 26/205:00
FCA
-
LHR
2 stops19h 05m
Delta
Thu 5/306:20
LHR
-
FCA
2 stops18h 15m
Delta
Deal found 27/1£469
Tue 14/413:45
BZN
-
LHR
1 stop16h 20m
Delta
Tue 28/406:30
LHR
-
BZN
2 stops20h 41m
Delta
Deal found 26/1£470
Tue 21/411:33
BIL
-
LHR
1 stop16h 27m
KLM
Tue 28/408:40
LHR
-
BIL
2 stops18h 31m
KLM
Deal found 25/1£470
Tue 24/206:15
MSO
-
LHR
3 stops22h 00m
United Airlines
Tue 3/309:30
LHR
-
MSO
2 stops19h 27m
United Airlines
Deal found 26/1£470
Tue 21/411:33
BIL
-
LHR
2 stops21h 02m
Delta
Tue 28/408:40
LHR
-
BIL
2 stops18h 26m
Delta
Deal found 25/1£474

Find flight deals from Montana to London

Keep the following information in mind while searching for Montana to London flight deals. Data was last updated 28 January 2026.

Round-trip from

£456

One-way from

£253

Popular in

June

Cheapest in

October

Average price

£581
KLM
  • KLM
  • 24/2-3/3
  • 3 total stops
  • 33h 14m total
  • Montana to London
Search Deals
JetBlue
  • JetBlue
  • 3/3
  • 1 total stop
  • 12h 11m total
  • Montana to London
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (£95 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£21 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customise 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, Cheapflights users made 858,174 searches. Data last updated 28 January 2026.
Use the filters below to find and compare flights from Montana to London that are best for you.

Fly from

Montana

Fly to

London

Route

Depart

Return

Price

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

Tue 24/2

06:20-06:50

2 stops17h 30m

London Heathrow

Tue 3/3

06:30-19:39

2 stops20h 09m

£456

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

Tue 24/2

11:45-10:00

1 stop15h 15m

London Heathrow

Tue 3/3

08:40-19:39

2 stops17h 59m

£456

BozemanLondon

BZN - LHR

BZNLHR

Bozeman Gallatin Field

Tue 14/4

14:40-18:40

2 stops21h 00m

London Heathrow

Tue 28/4

06:55-21:32

2 stops21h 37m

£463

MissoulaLondon

MSO - LHR

MSOLHR

Missoula Johnson-Bell Field

Tue 24/2

07:30-09:00

2 stops18h 30m

London Heathrow

Tue 3/3

08:40-20:01

2 stops18h 21m

£463

Great FallsLondon

GTF - LHR

GTFLHR

Great Falls

Thu 26/2

18:20-20:10

2 stops18h 50m

London Heathrow

Thu 5/3

06:20-17:33

2 stops18h 13m

£467

BozemanLondon

BZN - LHR

BZNLHR

Bozeman Gallatin Field

Sat 7/3

13:10-13:30

1 stop17h 20m

London Heathrow

Sat 14/3

18:00-22:12

2 stops34h 12m

£468

MissoulaLondon

MSO - LHR

MSOLHR

Missoula Johnson-Bell Field

Wed 25/2

14:34-09:40

1 stop12h 06m

London Heathrow

Sun 1/3

11:10-21:57

2 stops41h 47m

£468

KalispellLondon

FCA - LHR

FCALHR

Kalispell Glacier Park

Thu 26/2

05:00-07:05

2 stops19h 05m

London Heathrow

Thu 5/3

06:20-17:35

2 stops18h 15m

£469

MissoulaLondon

MSO - LHR

MSOLHR

Missoula Johnson-Bell Field

Tue 24/2

06:15-11:15

3 stops22h 00m

London Heathrow

Tue 3/3

09:30-21:57

2 stops19h 27m

£470

BozemanLondon

BZN - LHR

BZNLHR

Bozeman Gallatin Field

Wed 22/4

05:30-10:00

1 stop21h 30m

London Heathrow

Thu 30/4

06:30-22:40

2 stops23h 10m

£470

Flights are sorted by cheapest return flights first.

Deals found on 28/1

Showing 1-10 of 60 results
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Best time to book a flight from Montana to London

Have a flexible travel schedule? Discover the best time to fly to London from Montana with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Montana to London

What is the cheapest month to book a flight from Montana to London?

Currently, January is the cheapest month in which you can book a flight from Montana to London (average of £440). Flying from Montana to London in June is currently the most expensive (average of £812). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Montana to London. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Montana to London?

    There are many flights that can get you from Montana to London in 15h 15m. Fly via KLM, Lufthansa, or Delta to get the fastest option. The distance between Montana and London is about 4473 mi. Both multi-stop and direct flights can be found to your destination and back.

  • What are the most popular routes from Montana to London?

    Most travelers choose Bozeman Gallatin Field - London Heathrow, Missoula Johnson-Bell Field - London Heathrow or Bozeman Gallatin Field - London City when deciding on the best route from Montana to London.

  • Can I find deals for flights from Montana to London that include hotel bookings?

    Yes. In addition to deals on Montana to London flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Montana to London?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Montana to London.

  • Can I find deals for business class flights from Montana to London?

    Yes. Cheapflights offers flight deals from Montana to London by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Montana to London?

    Currently, January is the cheapest month in which you can book a flight from Montana to London (average of £440). Flying from Montana to London in June is currently the most expensive (average of £812). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Milton Keynes
Luton
Croydon
Wembley
Gatwick
Slough
Hounslow
Ilford
Brentford
Hayes
Watford
Colchester
Guildford
Chelmsford
Bedford
Crawley
Kingston upon Thames
Eastbourne
Romford
Ipswich

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Alternative routes for Montana to London

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Fly with Cheapflights

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How does Cheapflights help users find flights from Montana to London?

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Why should you use Cheapflights to find cheap flight tickets from Montana to London?

Cheapflights simply makes it quick and affordable to book flights from Montana to London by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Montana to London with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Montana to London flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Montana to London become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to London from Montana today and book when prices fit your budget.

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