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$473+ 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 3/5. Fares are subject to change and may not be available on all flights or dates of travel.
BZN — LHR
Jan 26 — Feb 21
Sun 1/26
Sun 2/2
1 adult, Economy
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Cheap flight deals from Montana to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Montana (USMT) to Heathrow (LHR). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 21, 2025.

Round-trip from

$713
(American Airlines)

One-way from

$473
(American Airlines)
From Montana to London Heathrow
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One-way flight from Montana to London Heathrow
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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 January 21, 2025.

This American Airlines deal was found by Cheapflights users on 1/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/82:03 pmBIL - LHR
1 stop15h 27mAmerican Airlines
Tue 4/228:50 amLHR - BIL
2 stops19h 39mAmerican Airlines
Deal found 1/21$713
This United deal was found by Cheapflights users on 1/21. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/186:30 amMSO - LHR
1 stop21h 10mUnited Airlines
Tue 3/253:00 pmLHR - MSO
2 stops36h 56mUnited Airlines
Deal found 1/21$716
This United Airlines deal was found by Cheapflights users on 1/21. 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 3/262:35 pmFCA - LHR
1 stop13h 05mUnited Airlines
Tue 4/19:30 amLHR - FCA
2 stops43h 29mUnited Airlines
Deal found 1/21$719
This United Airlines deal was found by Cheapflights users on 1/21. 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 4/152:17 pmHLN - LHR
1 stop15h 03mUnited Airlines
Fri 4/259:30 amLHR - HLN
2 stops35h 00mUnited Airlines
Deal found 1/21$719
This United deal was found by Cheapflights users on 1/20. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/261:35 pmBZN - LHR
1 stop16h 55mUnited Airlines
Wed 3/56:30 amLHR - BZN
2 stops19h 44mUnited Airlines
Deal found 1/20$726
This KLM deal was found by Cheapflights users on 1/19. 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 3/311:40 amBIL - LHR
1 stop15h 20mKLM
Mon 3/105:05 pmLHR - BIL
2 stops30h 40mKLM
Deal found 1/19$727
This Delta deal was found by Cheapflights users on 1/20. 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 3/55:40 amBZN - LHR
2 stops18h 15mDelta
Wed 3/128:40 amLHR - BZN
2 stops20h 52mDelta
Deal found 1/20$731
This Delta deal was found by Cheapflights users on 1/20. 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 3/197:30 amMSO - LHR
1 stop17h 35mDelta
Thu 4/36:30 amLHR - MSO
2 stops17h 40mDelta
Deal found 1/20$735
This KLM deal was found by Cheapflights users on 1/21. 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.
Tue 3/1812:00 pmMSO - LHR
1 stop16h 00mKLM
Tue 3/259:10 amLHR - MSO
1 stop17h 09mKLM
Deal found 1/21$739
This KLM deal was found by Cheapflights users on 1/20. 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 2/263:21 pmBZN - LHR
1 stop13h 19mKLM
Wed 3/510:45 amLHR - BZN
1 stop14h 20mKLM
Deal found 1/20$740
This Delta deal was found by Cheapflights users on 1/21. 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 4/85:20 amBIL - LHR
1 stop21h 40mDelta
Tue 4/2212:10 pmLHR - BIL
1 stop18h 02mDelta
Deal found 1/21$741
This United Airlines deal was found by Cheapflights users on 1/19. 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 3/35:54 pmBIL - LHR
2 stops34h 11mUnited Airlines
Mon 3/101:30 pmLHR - BIL
2 stops37h 33mUnited Airlines
Deal found 1/19$748

Find flights from Montana to Heathrow within your budget

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 January 21, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

Tue 4/8

2:03 pm-12:30 pm

1 stop15h 27m

London Heathrow

Tue 4/22

8:50 am-9:29 pm

2 stops19h 39m

$713

MissoulaLondon

MSO - LHR

MSOLHR

Missoula Johnson-Bell Field

Tue 3/18

6:30 am-9:40 am

1 stop21h 10m

London Heathrow

Tue 3/25

3:00 pm-9:56 pm

2 stops36h 56m

$716

KalispellLondon

FCA - LHR

FCALHR

Kalispell Glacier Park

Wed 3/26

2:35 pm-9:40 am

1 stop13h 05m

London Heathrow

Wed 4/9

2:05 pm-9:59 pm

2 stops38h 54m

$719

HelenaLondon

HLN - LHR

HLNLHR

Helena

Tue 4/15

2:17 pm-12:20 pm

1 stop15h 03m

London Heathrow

Fri 4/25

9:30 am-1:30 pm

2 stops35h 00m

$719

BozemanLondon

BZN - LHR

BZNLHR

Bozeman Gallatin Field

Wed 2/26

1:35 pm-1:30 pm

1 stop16h 55m

London Heathrow

Wed 3/5

6:30 am-7:14 pm

2 stops19h 44m

$726

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

Mon 3/3

11:40 am-10:00 am

1 stop15h 20m

London Heathrow

Mon 3/10

5:05 pm-5:45 pm

2 stops30h 40m

$727

BozemanLondon

BZN - LHR

BZNLHR

Bozeman Gallatin Field

Wed 3/5

5:40 am-6:55 am

2 stops18h 15m

London Heathrow

Wed 3/12

8:40 am-11:32 pm

2 stops20h 52m

$731

MissoulaLondon

MSO - LHR

MSOLHR

Missoula Johnson-Bell Field

Wed 3/19

12:00 pm-10:00 am

1 stop16h 00m

London Heathrow

Wed 4/2

11:45 am-12:32 am

2 stops19h 47m

$735

MissoulaLondon

MSO - LHR

MSOLHR

Missoula Johnson-Bell Field

Tue 3/18

12:00 pm-10:00 am

1 stop16h 00m

London Heathrow

Tue 3/25

9:10 am-8:19 pm

1 stop17h 09m

$739

BozemanLondon

BZN - LHR

BZNLHR

Bozeman Gallatin Field

Wed 2/26

3:21 pm-11:40 am

1 stop13h 19m

London Heathrow

Wed 3/5

10:45 am-6:05 pm

1 stop14h 20m

$740

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/20

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.

Travel insights for flights from Montana to Heathrow

Get recent, data-driven insights about flights from Montana to Heathrow including ideal travel times, pricing trends, and more.

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

Currently, November is the cheapest month in which you can book a flight from Montana to London Heathrow Airport (average of $661). Flying from Montana to London Heathrow Airport in June is currently the most expensive (average of $1,137). 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.

Rainfall in Heathrow by month

Plan your trip to Heathrow by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in London Heathrow Airport ranges from 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. July is typically the driest time to visit London Heathrow Airport when rainfall is around 1.6 in.

Temperature in Heathrow by month

Plan your trip to Heathrow by taking into account the average temperature totals by month.

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Heathrow. Reviews last updated January 21, 2025.
Get a feel of what it's like to fly with United Airlines, American Airlines and Delta from Montana to London by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,521 reviews

Food

7.3

Comfort

8.0

Crew

8.6

Boarding

8.2

Entertainment

7.9

Overall

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta
8.0
Very good
8,521 reviews
Delta
8.0
Very good
8,521 reviews

Food

7.3

Comfort

8.0

Crew

8.6

Boarding

8.2

Entertainment

7.9

Overall

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM
7.8
Good
1,341 reviews
Delta
8.0
Very good
8,521 reviews

Food

7.3

Comfort

8.0

Crew

8.6

Boarding

8.2

Entertainment

7.9

Overall

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Virgin Atlantic
7.5
Good
665 reviews
Delta
8.0
Very good
8,521 reviews

Food

7.3

Comfort

8.0

Crew

8.6

Boarding

8.2

Entertainment

7.9

Overall

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

JetBlue
7.4
Good
3,200 reviews
Delta
8.0
Very good
8,521 reviews

Food

7.3

Comfort

8.0

Crew

8.6

Boarding

8.2

Entertainment

7.9

Overall

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Air France
7.4
Good
1,490 reviews
Delta
8.0
Very good
8,521 reviews

Food

7.3

Comfort

8.0

Crew

8.6

Boarding

8.2

Entertainment

7.9

Overall

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.

  • What are the cheapest airlines to fly from Montana to London Heathrow Airport one-way?

    The cheapest airlines for a one-way flight from Montana to London Heathrow Airport are American Airlines ($473), United Airlines ($488), and Delta ($523).

  • 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, Billings Logan Intl - London Heathrow and Kalispell Glacier Park - 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, November is the cheapest month in which you can book a flight from Montana to London Heathrow Airport (average of $661). Flying from Montana to London Heathrow Airport in June is currently the most expensive (average of $1,137). 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 Montana?

Book flights to Montana if you plan to visit one of these locations
Hayes
Hounslow
Thornton Heath
Harrow
Luton
Wembley
Canterbury
Northampton
Gatwick
Horley
Milton Keynes
Dover
Orpington
Watford
Stratford-upon-Avon
Croydon
Borehamwood
Bromley
Folkestone
Ilford

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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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LaGuardia to Gatwick flights
Boston to London City flights
Newark to Luton flights
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Dulles Intl to London City flights
Boston to Stansted flights
Baltimore to Gatwick flights
Los Angeles to London City flights
O'Hare Intl to Gatwick flights
Baltimore to Stansted flights
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O'Hare Intl to London City flights
Philadelphia to Heathrow flights
San Francisco to London City flights
San Francisco to Gatwick flights
Los Angeles to Gatwick flights
Seattle to Gatwick flights
Reagan-National to Gatwick flights
Newark to Stansted flights
Austin to Heathrow flights
Orlando to Gatwick flights
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Raleigh to Heathrow flights
Charlotte to Heathrow flights
Seattle to London City flights
Stewart to Luton flights

Top 4 airlines flying from Montana to Heathrow

Discover the top 4 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 January 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest$600Average$932FlexibilityNo cancel feeOn-time72%
DeltaCheapest$618Average$837FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$661Average$865FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$700Average$1,611FlexibilityNo cancel feeOn-time71%
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