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Cheap flights from Montana to London from £232

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 22/9. Fares are subject to change and may not be available on all flights or dates of travel.
BZN — LON
26 4月 — 3 5月1
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 27 3月 2026.

週二 8/907:15
MSO
-
LHR
1 stop19h 55m
United Airlines
週二 22/909:30
LHR
-
MSO
2 stops34h 57m
United Airlines
Deal found 24/3£626
週一 9/1106:15
MSO
-
LHR
1 stop20h 25m
United Airlines
週四 12/1113:00
LHR
-
MSO
2 stops34h 10m
United Airlines
Deal found 23/3£630
週二 1/912:28
BIL
-
LHR
1 stop15h 47m
American Airlines
週二 15/911:10
LHR
-
BIL
1 stop18h 12m
American Airlines
Deal found 24/3£640
週二 21/411:20
BZN
-
LHR
2 stops26h 00m
Multiple Airlines
週二 28/413:05
LHR
-
BZN
2 stops17h 53m
Multiple Airlines
Deal found 22/3£644
週三 19/812:35
FCA
-
LHR
1 stop15h 20m
American Airlines
週三 26/814:25
LHR
-
FCA
1 stop28h 12m
American Airlines
Deal found 23/3£644
週三 19/813:33
BZN
-
LHR
1 stop12h 32m
American Airlines
週三 26/808:15
LHR
-
BZN
2 stops19h 24m
American Airlines
Deal found 26/3£651
週五 4/1210:00
BTM
-
LHR
1 stop16h 40m
United Airlines
週二 8/1211:10
LHR
-
BTM
2 stops18h 17m
United Airlines
Deal found 23/3£654
週三 22/406:15
GTF
-
LHR
1 stop20h 25m
United Airlines
週四 30/407:25
LHR
-
GTF
2 stops20h 53m
United Airlines
Deal found 23/3£665
週二 25/816:05
BZN
-
LHR
2 stops19h 20m
Lufthansa
週二 1/906:55
LHR
-
BZN
2 stops21h 12m
Lufthansa
Deal found 25/3£665
週五 4/1206:15
GTF
-
LHR
1 stop20h 25m
United Airlines
週二 8/1207:30
LHR
-
GTF
2 stops20h 50m
United Airlines
Deal found 23/3£665
週二 15/912:02
BZN
-
LHR
1 stop14h 03m
American Airlines
週三 30/908:15
LHR
-
BZN
2 stops19h 24m
American Airlines
Deal found 25/3£673
週二 12/514:37
MSO
-
LHR
1 stop12h 03m
United Airlines
週二 19/507:30
LHR
-
MSO
2 stops21h 00m
United Airlines
Deal found 23/3£673

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 27 3月 2026.

Round-trip from

£626

One-way from

£232

Popular in

June

Cheapest in

October

Average price

£808
United Airlines
  • United Airlines
  • 8/9-22/9
  • 3 total stops
  • 54h 52m total
  • Montana to London
Search Deals
American Airlines
  • American Airlines
  • 22/9
  • 1 total stop
  • 13h 46m total
  • Montana to London
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£72 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 March 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 27 3月 2026.
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

Cheapest return flight

MissoulaLondon

MSO - LHR

MSOLHR

Missoula Johnson-Bell Field

週二 21/4

14:38-12:25

1 stop14h 47m

London Heathrow

週二 28/4

07:25-21:30

2 stops21h 05m

£665

MissoulaLondon

MSO - LHR

MSOLHR

Missoula Johnson-Bell Field

週二 8/9

14:27-09:40

1 stop12h 13m

London Heathrow

週二 22/9

14:05-13:27

2 stops30h 22m

£665

Great FallsLondon

GTF - LHR

GTFLHR

Great Falls

週三 22/4

14:30-09:40

1 stop12h 10m

London Heathrow

週二 28/4

06:55-21:17

2 stops21h 22m

£665
Fastest return journey

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

週六 5/9

12:28-09:05

1 stop13h 37m

London Heathrow

週三 16/9

15:15-22:22

1 stop14h 07m

£678

Great FallsLondon

GTF - LHR

GTFLHR

Great Falls

週一 27/4

18:15-06:45

1 stop29h 30m

London Heathrow

週四 15/10

09:50-16:13

1 stop13h 23m

£686

MissoulaLondon

MSO - LHR

MSOLHR

Missoula Johnson-Bell Field

週日 16/8

07:15-10:10

1 stop19h 55m

London Heathrow

週六 22/8

06:55-21:26

2 stops21h 31m

£695

MissoulaLondon

MSO - LHR

MSOLHR

Missoula Johnson-Bell Field

週四 7/5

14:37-09:40

1 stop12h 03m

London Heathrow

週四 14/5

07:25-21:30

2 stops21h 05m

£702

BozemanLondon

BZN - LCY

BZNLCY

Bozeman Gallatin Field

週六 25/4

15:15-18:30

2 stops44h 15m

London City

週六 2/5

08:25-22:40

2 stops45h 15m

£704

BozemanLondon

BZN - LHR

BZNLHR

Bozeman Gallatin Field

週二 25/8

14:37-06:30

3 stops32h 53m

London Heathrow

週二 1/9

14:05-15:22

2 stops32h 17m

£710

Great FallsLondon

GTF - LHR

GTFLHR

Great Falls

週四 23/4

14:30-09:40

1 stop12h 10m

London Heathrow

週三 29/4

17:40-21:18

2 stops34h 38m

£712

Flights are sorted by cheapest return flights first.

Deals found on 24/3

Showing 1-10 of 60 resultsSorted by cheapest first
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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 14h 47m. Fly via United Airlines, Virgin Atlantic, or American Airlines to get the fastest option. The distance between Montana and London is about 4583 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, Kalispell Glacier Park - London Heathrow or Billings Logan Intl - London Heathrow 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?

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

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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?

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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