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$425+ Cheap flights from Montana to London (LON)

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 1/4. Fares are subject to change and may not be available on all flights or dates of travel.
BZN — LON
Dec 10 — Dec 171
Wed 12/10
Wed 12/17
1 adult, Economy
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Find flight deals from Montana to London

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 November 10, 2025.

This Netflights deal was found by Cheapflights users on 11/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Netflights is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/83:00 pmBZN - LHR
1 stop14h 50mVirgin Atlantic
Mon 12/1511:05 amLHR - BZN
1 stop19h 32mVirgin Atlantic
Deal found 11/8$585
This KLM deal was found by Cheapflights users on 11/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/107:25 amBZN - LHR
1 stop20h 05mKLM
Mon 11/178:25 pmLHR - BZN
2 stops28h 29mKLM
Deal found 11/9$590
This Air France deal was found by Cheapflights users on 11/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/265:25 amMSO - LHR
1 stop21h 35mMultiple Airlines
Wed 12/38:40 amLHR - MSO
2 stops20h 13mMultiple Airlines
Deal found 11/10$590
This Expedia deal was found by Cheapflights users on 11/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1010:47 amBZN - LHR
2 stops22h 03mLufthansa
Mon 11/177:15 pmLHR - BZN
2 stops33h 25mLufthansa
Deal found 11/9$633
This KLM deal was found by Cheapflights users on 11/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/55:00 amMSO - LHR
1 stop22h 00mMultiple Airlines
Fri 12/1211:05 amLHR - MSO
1 stop17h 48mMultiple Airlines
Deal found 11/10$646
This Delta deal was found by Cheapflights users on 11/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/127:25 amBZN - LHR
2 stops18h 20mDelta
Sun 11/168:55 amLHR - BZN
2 stops21h 39mDelta
Deal found 11/9$650
This Virgin Atlantic deal was found by Cheapflights users on 11/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/57:45 amMSO - LHR
2 stops17h 05mVirgin Atlantic
Fri 12/129:40 amLHR - MSO
2 stops19h 13mVirgin Atlantic
Deal found 11/10$650
This United Airlines deal was found by Cheapflights users on 11/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/306:20 amMSO - LHR
1 stop20h 20mUnited Airlines
Mon 12/811:10 amLHR - MSO
2 stops36h 00mUnited Airlines
Deal found 11/10$679
This Finnair deal was found by Cheapflights users on 11/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/307:00 amMSO - LHR
1 stop18h 35mMultiple Airlines
Mon 12/88:20 amLHR - MSO
1 stop18h 42mMultiple Airlines
Deal found 11/10$699
This Delta deal was found by Cheapflights users on 11/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/265:25 amMSO - LHR
2 stops18h 40mDelta
Wed 12/38:40 amLHR - MSO
2 stops20h 13mDelta
Deal found 11/10$719
This United Airlines deal was found by Cheapflights users on 11/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/295:15 pmFCA - LHR
1 stop33h 25mUnited Airlines
Thu 1/81:00 pmLHR - FCA
2 stops39h 59mUnited Airlines
Deal found 11/10$721
This United Airlines deal was found by Cheapflights users on 11/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/247:00 amBIL - LHR
2 stops17h 10mUnited Airlines
Wed 11/266:35 amLHR - BIL
2 stops23h 14mUnited Airlines
Deal found 11/9$766

Cheap flight deals from Montana to London

Keep the following information in mind while searching for Montana to London flight deals. Data was last updated November 10, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$585
(Netflights)

One-way from

$425
(United Airlines)

Popular in

December

Cheapest in

October

Average price

$744
Provider with most accurate pricing for Bozeman Gallatin Field-London (LON) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Bozeman Gallatin Field-London (LON) flights.
Search Deals
From Montana to London (LON)
Search Deals
One-way flight from Montana to London (LON)
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($76 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($56 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Cheapflights 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, Cheapflights users made 2,558,603 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

Montana

Fly to

London

Route

Depart

Return

Price

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

6:30 am-9:53 pm

2 stops22h 23m

$590

BozemanLondon

BZN - LHR

BZNLHR

Bozeman Gallatin Field

Wed 2/4

3:00 pm-10:30 am

1 stop12h 30m

London Heathrow

Wed 2/11

6:20 am-10:27 pm

2 stops23h 07m

$597

KalispellLondon

FCA - LHR

FCALHR

Kalispell Glacier Park

Wed 1/14

12:15 pm-10:00 am

1 stop14h 45m

London Heathrow

Fri 1/23

6:20 am-5:14 pm

2 stops17h 54m

$597

MissoulaLondon

MSO - LHR

MSOLHR

Missoula Johnson-Bell Field

Tue 1/13

7:55 am-7:05 am

1 stop16h 10m

London Heathrow

Tue 1/27

6:20 am-8:14 pm

2 stops20h 54m

$597

KalispellLondon

FCA - LHR

FCALHR

Kalispell Glacier Park

Wed 1/14

5:05 am-8:45 am

2 stops20h 40m

London Heathrow

Fri 1/23

6:20 am-5:14 pm

2 stops17h 54m

$601

BozemanLondon

BZN - LHR

BZNLHR

Bozeman Gallatin Field

Wed 2/4

2:39 pm-11:40 am

1 stop14h 01m

London Heathrow

Wed 2/11

10:45 am-5:48 pm

1 stop14h 03m

$604

MissoulaLondon

MSO - LHR

MSOLHR

Missoula Johnson-Bell Field

Tue 1/13

7:55 am-7:05 am

1 stop16h 10m

London Heathrow

Tue 1/27

10:45 am-5:25 pm

1 stop13h 40m

$604

BozemanLondon

BZN - LHR

BZNLHR

Bozeman Gallatin Field

Thu 1/29

7:23 am-12:50 pm

1 stop22h 27m

London Heathrow

Fri 2/6

6:20 am-10:27 pm

2 stops23h 07m

$622

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

Fri 1/30

7:23 am-10:30 am

1 stop20h 07m

London Heathrow

Fri 2/6

6:20 am-10:27 pm

2 stops23h 07m

$622

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/9

Showing 1-10 of 42 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 round-trip 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 $604). Flying from Montana to London in June is currently the most expensive (average of $1,155). 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?

    A quick flight from Montana to London can take about 12h 30m. Virgin Atlantic provides one of the quickest options available for as low as $597. There are 4556 mi between Montana and London. This flight may include one or multiple stops.

  • 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 vacation 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 $604). Flying from Montana to London in June is currently the most expensive (average of $1,155). 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

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Hounslow
Ilford
Hayes
Southend-on-Sea
Harrow
Croydon
Eastleigh
Dartford
Dover
Winchester
Orpington
Gatwick
Borehamwood
Aylesbury
Bedford
Chipping Norton
Wembley
Folkestone
Eastbourne
Sutton

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Alternative routes for Montana to London

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Top 2 airlines flying from Montana to London

Discover the top 2 airlines that operate flights from Montana to London. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated November 10, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$645Average$896FlexibilityNo cancel feeOn-time69%
DeltaCheapest$677Average$895FlexibilityNo cancel feeOn-timeN/A

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