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Cheap flights from Montana to London from £167

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 19/7. Fares are subject to change and may not be available on all flights or dates of travel.
BZN — LON
25 Mar — 1 Apr1
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 23 February 2026.

Tue 14/416:19
BZN
-
LHR
1 stop13h 01m
United Airlines
Tue 28/417:40
LHR
-
BZN
2 stops35h 53m
United Airlines
Deal found 19/2£491
Tue 14/414:40
BZN
-
LHR
2 stops19h 00m
Lufthansa
Tue 28/419:30
LHR
-
BZN
2 stops34h 03m
Lufthansa
Deal found 19/2£493
Wed 12/814:27
MSO
-
LHR
1 stop14h 53m
United Airlines
Wed 26/809:30
LHR
-
MSO
2 stops20h 00m
United Airlines
Deal found 21/2£498
Tue 14/415:15
BZN
-
LHR
1 stop17h 20m
KLM
Tue 28/412:25
LHR
-
BZN
1 stop14h 46m
KLM
Deal found 19/2£502
Wed 15/414:38
MSO
-
LHR
1 stop14h 42m
United Airlines
Mon 20/415:30
LHR
-
MSO
2 stops37h 00m
United Airlines
Deal found 19/2£504
Wed 28/1016:55
GTF
-
LHR
1 stop13h 25m
Multiple Airlines
Fri 30/1014:55
LHR
-
GTF
1 stop31h 18m
Multiple Airlines
Deal found 20/2£511
Sat 9/517:08
MSO
-
LHR
1 stop33h 32m
United Airlines
Sun 17/514:05
LHR
-
MSO
2 stops38h 25m
United Airlines
Deal found 19/2£524
Sun 5/409:24
BTM
-
LHR
1 stop19h 56m
United Airlines
Sun 12/408:30
LHR
-
BTM
2 stops44h 52m
United Airlines
Deal found 19/2£524
Mon 23/314:30
GTF
-
LHR
1 stop13h 10m
United Airlines
Tue 31/308:30
LHR
-
GTF
2 stops36h 01m
United Airlines
Deal found 22/2£532
Sun 22/306:15
GTF
-
LHR
2 stops23h 00m
United Airlines
Tue 31/308:30
LHR
-
GTF
2 stops36h 01m
United Airlines
Deal found 22/2£535
Thu 30/406:15
MSO
-
LHR
2 stops19h 15m
United Airlines
Thu 14/514:50
LHR
-
MSO
1 stop13h 40m
United Airlines
Deal found 19/2£542
Wed 8/406:15
GTF
-
LHR
1 stop20h 25m
United Airlines
Wed 15/413:35
LHR
-
GTF
2 stops54h 56m
United Airlines
Deal found 22/2£542

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 23 February 2026.

Round-trip from

£481

One-way from

£167

Popular in

June

Cheapest in

October

Average price

£684
United Airlines
  • United Airlines
  • 27/4-6/5
  • 3 total stops
  • 44h 10m total
  • Montana to London
Search Deals
United Airlines
  • United Airlines
  • 19/7
  • 1 total stop
  • 23h 05m total
  • Montana to London
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (£81 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£20 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 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 23 February 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

BozemanLondon

BZN - LHR

BZNLHR

Bozeman Gallatin Field

Tue 14/4

16:19-12:20

1 stop13h 01m

London Heathrow

Tue 28/4

17:40-22:33

2 stops35h 53m

£491

MissoulaLondon

MSO - LHR

MSOLHR

Missoula Johnson-Bell Field

Wed 12/8

06:15-11:35

2 stops22h 20m

London Heathrow

Wed 26/8

09:30-22:30

2 stops20h 00m

£501

BozemanLondon

BZN - LHR

BZNLHR

Bozeman Gallatin Field

Tue 14/4

15:15-15:35

1 stop17h 20m

London Heathrow

Tue 28/4

12:25-20:11

1 stop14h 46m

£502

MissoulaLondon

MSO - LHR

MSOLHR

Missoula Johnson-Bell Field

Wed 15/4

14:38-12:20

1 stop14h 42m

London Heathrow

Mon 20/4

15:30-21:30

2 stops37h 00m

£504

MissoulaLondon

MSO - LHR

MSOLHR

Missoula Johnson-Bell Field

Sat 9/5

17:08-09:40

1 stop33h 32m

London Heathrow

Sun 17/5

14:05-21:30

2 stops38h 25m

£524

ButteLondon

BTM - LHR

BTMLHR

Butte Silver Bow Co

Sun 5/4

09:24-12:20

1 stop19h 56m

London Heathrow

Sun 12/4

08:30-22:22

2 stops44h 52m

£524

MissoulaLondon

MSO - LHR

MSOLHR

Missoula Johnson-Bell Field

Thu 30/4

14:37-09:40

1 stop12h 03m

London Heathrow

Thu 14/5

14:50-21:30

1 stop13h 40m

£539

MissoulaLondon

MSO - LHR

MSOLHR

Missoula Johnson-Bell Field

Wed 15/4

13:40-15:35

2 stops18h 55m

London Heathrow

Mon 20/4

09:20-20:02

2 stops17h 42m

£542

MissoulaLondon

MSO - LHR

MSOLHR

Missoula Johnson-Bell Field

Wed 8/4

14:38-19:40

2 stops22h 02m

London Heathrow

Wed 15/4

17:40-21:30

2 stops34h 50m

£550

MissoulaLondon

MSO - LHR

MSOLHR

Missoula Johnson-Bell Field

Tue 14/4

17:15-12:20

1 stop12h 05m

London Heathrow

Fri 24/4

14:50-21:30

1 stop13h 40m

£555

Flights are sorted by cheapest return flights first.

Deals found on 22/2

Showing 1-10 of 56 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

How much does it cost for a return flight from Montana to London?

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 17h 20m. Fly via United Airlines, KLM, or Lufthansa to get the fastest option. The distance between Montana and London is about 4556 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 Missoula Johnson-Bell Field - London Gatwick 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.

See more FAQs

Travelling to a place near London?

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Croydon
Wembley
Luton
Gatwick
Slough
Hounslow
Ilford
Hayes
Brentford
Colchester
Watford
Guildford
Kingston upon Thames
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Ipswich
Chelmsford
Bedford
Romford
Folkestone

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Alternative routes for Montana to London

See prices for flight routes from nearby airports that may be better suited for you.
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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

Cheapflights helps you search for flights from Montana to London via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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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