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$325+ Cheap flights from Montana to Heathrow (LHR)

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 11/19. Fares are subject to change and may not be available on all flights or dates of travel.
BZN — LHR
Nov 9 — Nov 161
Sun 11/9
Sun 11/16
1 adult, Economy
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Find flight deals from Montana to Heathrow

Cheapest flights from Montana to Heathrow
Explore the most affordable flight options available from Montana to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 10, 2025.

This Netflights deal was found by Cheapflights users on 10/8. 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.
Fri 11/76:10 amBZN - LHR
1 stop17h 55mVirgin Atlantic
Fri 11/1412:20 pmLHR - BZN
1 stop17h 09mVirgin Atlantic
Deal found 10/8$661
This Air France deal was found by Cheapflights users on 10/8. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/711:40 amBZN - LHR
1 stop15h 20mMultiple Airlines
Fri 11/146:30 amLHR - BZN
2 stops22h 59mMultiple Airlines
Deal found 10/8$662
This Mytrip deal was found by Cheapflights users on 10/8. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/55:57 pmBIL - LHR
2 stops34h 23mMultiple Airlines
Wed 11/127:40 amLHR - BIL
2 stops20h 38mMultiple Airlines
Deal found 10/8$667
This United Airlines deal was found by Cheapflights users on 10/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/55:00 amBIL - LHR
1 stop21h 40mUnited Airlines
Wed 11/126:35 amLHR - BIL
2 stops23h 14mUnited Airlines
Deal found 10/8$669
This United Airlines deal was found by Cheapflights users on 10/7. 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.
Tue 11/410:47 amBZN - LHR
1 stop15h 53mUnited Airlines
Tue 11/116:35 amLHR - BZN
2 stops22h 05mUnited Airlines
Deal found 10/7$670
This KLM deal was found by Cheapflights users on 10/9. 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.
Wed 11/261:13 pmMSO - LHR
1 stop13h 47mKLM
Wed 12/38:40 amLHR - MSO
2 stops20h 13mKLM
Deal found 10/9$671
This KLM deal was found by Cheapflights users on 10/8. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/711:40 amBZN - LHR
1 stop15h 20mKLM
Fri 11/145:05 pmLHR - BZN
2 stops31h 49mKLM
Deal found 10/8$672
This Delta deal was found by Cheapflights users on 10/7. 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 11/266:16 pmMSO - LHR
2 stops18h 54mDelta
Wed 12/38:40 amLHR - MSO
2 stops20h 13mDelta
Deal found 10/7$676
This Delta deal was found by Cheapflights users on 10/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/43:01 pmBZN - LHR
1 stop14h 49mDelta
Fri 12/1911:05 amLHR - BZN
1 stop19h 41mDelta
Deal found 10/8$700
This KLM deal was found by Cheapflights users on 10/8. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/511:45 amBIL - LHR
1 stop15h 15mKLM
Wed 11/1210:45 amLHR - BIL
1 stop13h 59mKLM
Deal found 10/8$700
This KLM deal was found by Cheapflights users on 10/8. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/117:45 amMSO - LHR
1 stop16h 20mKLM
Thu 12/1811:05 amLHR - MSO
1 stop17h 48mKLM
Deal found 10/8$700
This Finnair deal was found by Cheapflights users on 10/8. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/307:00 amMSO - LHR
1 stop16h 50mMultiple Airlines
Mon 12/88:20 amLHR - MSO
1 stop18h 42mMultiple Airlines
Deal found 10/8$703

Cheap flight deals from Montana to Heathrow

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

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$661
(Netflights)

One-way from

$325
(Kiwi.com)

Popular in

December

Cheapest in

October

Average price

$689
Provider with most accurate pricing for Bozeman Gallatin Field-London (LON) flight deals.
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Provider most trusted by Cheapflights users for Bozeman Gallatin Field-London (LON) flights.
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From Montana to London Heathrow
Search Deals
One-way flight from Montana to London Heathrow
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($85 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($48 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Montana to Heathrow 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 October 10, 2025.
Use the filters below to find and compare flights from Montana to London Heathrow Airport that are best for you.

Fly from

Montana

Fly to

Heathrow

Route

Depart

Return

Price

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

Wed 11/5

5:57 pm-11:20 am

2 stops34h 23m

London Heathrow

Wed 11/12

7:40 am-9:18 pm

2 stops20h 38m

$667

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

Wed 11/5

5:00 am-9:40 am

1 stop21h 40m

London Heathrow

Wed 11/12

6:35 am-10:49 pm

2 stops23h 14m

$669

BozemanLondon

BZN - LHR

BZNLHR

Bozeman Gallatin Field

Mon 12/1

2:43 pm-9:40 am

1 stop11h 57m

London Heathrow

Mon 12/8

7:40 am-9:39 pm

2 stops20h 59m

$670

BozemanLondon

BZN - LHR

BZNLHR

Bozeman Gallatin Field

Tue 11/4

10:47 am-9:40 am

1 stop15h 53m

London Heathrow

Tue 11/11

6:35 am-9:40 pm

2 stops22h 05m

$670

MissoulaLondon

MSO - LHR

MSOLHR

Missoula Johnson-Bell Field

Wed 11/26

1:13 pm-10:00 am

1 stop13h 47m

London Heathrow

Wed 12/3

8:40 am-9:53 pm

2 stops20h 13m

$671

BozemanLondon

BZN - LHR

BZNLHR

Bozeman Gallatin Field

Fri 11/7

5:35 am-7:05 am

2 stops18h 30m

London Heathrow

Fri 11/14

6:30 am-11:34 pm

2 stops24h 04m

$676

BozemanLondon

BZN - LHR

BZNLHR

Bozeman Gallatin Field

Fri 11/7

6:10 am-6:50 am

2 stops17h 40m

London Heathrow

Fri 11/14

6:30 am-10:29 pm

2 stops22h 59m

$676

MissoulaLondon

MSO - LHR

MSOLHR

Missoula Johnson-Bell Field

Wed 11/26

6:16 pm-8:10 pm

2 stops18h 54m

London Heathrow

Wed 12/3

8:40 am-9:53 pm

2 stops20h 13m

$676

BozemanLondon

BZN - LHR

BZNLHR

Bozeman Gallatin Field

Thu 1/8

7:25 am-10:30 am

1 stop20h 05m

London Heathrow

Mon 1/12

8:25 pm-5:40 pm

2 stops28h 15m

$679

MissoulaLondon

MSO - LHR

MSOLHR

Missoula Johnson-Bell Field

Tue 1/13

8:00 am-7:05 am

1 stop16h 05m

London Heathrow

Tue 1/27

6:30 am-8:17 pm

2 stops20h 47m

$680

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/8

Showing 1-10 of 43 results
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Best time to book a flight from Montana to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow 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 Heathrow Airport

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

Currently, August is the cheapest month in which you can book a flight from Montana to London Heathrow Airport (average of $636). Flying from Montana to London Heathrow Airport 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.

How much does it cost to fly round-trip from Montana to London Heathrow Airport?

Related info for your journey

Find useful and relevant information for your journey from Montana to Heathrow. 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 Heathrow Airport?

    Departing from Montana to London Heathrow Airport will take you 13h 47m. There are 4583 mi between Montana and London Heathrow Airport. This flight may include one or multiple stops.

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

    The most popular flight routes from Montana to London Heathrow Airport are Bozeman Gallatin Field - London Heathrow, Missoula Johnson-Bell Field - London Heathrow and Billings Logan Intl - London Heathrow.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Montana to Heathrow 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 Heathrow Airport?

    Currently, August is the cheapest month in which you can book a flight from Montana to London Heathrow Airport (average of $636). Flying from Montana to London Heathrow Airport 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 Heathrow Airport?

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

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Alternative routes for Montana to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.
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Boston to Stansted flights
Dulles Intl to London City flights
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Boston to Luton flights
Hobby to London City flights
San Francisco to Gatwick flights
Dallas/Fort Worth to Gatwick flights
O'Hare Intl to Gatwick flights
LaGuardia to London City flights
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O'Hare Intl to London City flights

Top 2 airlines flying from Montana to Heathrow

Discover the top 2 airlines that operate flights from Montana to Heathrow. 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 October 10, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$645Average$896FlexibilityNo cancel feeOn-time69%
DeltaCheapest$677Average$905FlexibilityNo cancel feeOn-timeN/A

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