United Kingdom

$338+ Cheap flights from Montana to the United Kingdom

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 10/6. Fares are subject to change and may not be available on all flights or dates of travel.
BZN — LHR
Aug 2 — Aug 91
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Cheap flight deals from Montana to United Kingdom

Keep the following information in mind while searching for Montana to United Kingdom flight deals. Data was last updated July 28, 2025.

Round-trip from

$573
(KLM)

One-way from

$338
(Delta)

Popular in

July

Cheapest in

February

Average price

$1,463
From Montana to United Kingdom
One-way flight from Montana to United Kingdom
Highest demand for flights based on searches. 22% potential increase in price ($268 potential increase over avg. RT price).
Cheapest flight prices on average. 5% potential price decrease ($51 potential savings vs. average RT price).
Average for round-trip flights in July 2025

Find flight deals from Montana to United Kingdom

Cheapest flights from Montana to United Kingdom
Explore the most affordable flight options available from Montana to United Kingdom. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 28, 2025.

This KLM deal was found by Cheapflights users on 7/26. 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 9/911:43 amGTF - LHR
1 stop15h 07mKLM
Tue 9/166:30 amLHR - GTF
2 stops17h 57mKLM
Deal found 7/26$573
This Delta deal was found by Cheapflights users on 7/26. 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 9/911:43 amGTF - LHR
1 stop15h 07mDelta
Tue 9/166:15 amLHR - GTF
2 stops23h 13mDelta
Deal found 7/26$580
This Delta deal was found by Cheapflights users on 7/26. 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 11/265:35 amMSO - LHR
1 stop21h 25mDelta
Wed 12/36:30 amLHR - MSO
2 stops20h 42mDelta
Deal found 7/26$585
This KLM deal was found by Cheapflights users on 7/28. 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 11/265:35 amMSO - LHR
1 stop21h 25mMultiple Airlines
Wed 12/310:45 amLHR - MSO
1 stop13h 42mMultiple Airlines
Deal found 7/28$592
This Delta deal was found by Cheapflights users on 7/27. 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 8/2611:56 amBZN - LHR
1 stop19h 19mDelta
Tue 9/29:00 amLHR - BZN
2 stops21h 01mDelta
Deal found 7/27$623
This Trip.com deal was found by Cheapflights users on 7/27. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/105:28 pmBZN - LHR
1 stop13h 47mVirgin Atlantic
Wed 9/1712:45 pmLHR - BZN
1 stop18h 11mVirgin Atlantic
Deal found 7/27$626
This KLM deal was found by Cheapflights users on 7/27. 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 8/2611:56 amBZN - LHR
1 stop19h 19mKLM
Tue 9/212:25 pmLHR - BZN
1 stop17h 36mKLM
Deal found 7/27$631
This United Airlines deal was found by Cheapflights users on 7/26. 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 9/102:35 pmGTF - LHR
1 stop14h 45mUnited Airlines
Wed 9/177:25 amLHR - GTF
2 stops21h 03mUnited Airlines
Deal found 7/26$633
This KLM deal was found by Cheapflights users on 7/27. 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 8/213:31 pmMSO - LHR
1 stop14h 39mKLM
Wed 8/2711:00 amLHR - MSO
1 stop19h 10mKLM
Deal found 7/27$642
This United Airlines deal was found by Cheapflights users on 7/26. 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 9/98:00 amBZN - EDI
2 stops17h 05mUnited Airlines
Tue 9/169:40 amEDI - BZN
2 stops18h 51mUnited Airlines
Deal found 7/26$672
This Delta deal was found by Cheapflights users on 7/27. 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.
Mon 8/256:50 amFCA - EDI
2 stops22h 15mDelta
Fri 9/59:00 amEDI - FCA
2 stops21h 53mDelta
Deal found 7/27$672
This United Airlines deal was found by Cheapflights users on 7/27. 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 9/17:00 amBIL - EDI
2 stops18h 05mUnited Airlines
Fri 9/199:00 amEDI - BIL
2 stops44h 46mUnited Airlines
Deal found 7/27$681

Cheapflights Fare Finder

 
Customize your flight search to find flights from Montana to United Kingdom 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 July 28, 2025.
Use the filters below to find and compare flights from Montana to the United Kingdom that are best for you.

Fly from

Montana

Fly to

United Kingdom

Route

Depart

Return

Price

Great FallsLondon

GTF - LHR

GTFLHR

Great Falls

Tue 9/9

11:43 am-9:50 am

1 stop15h 07m

London Heathrow

Tue 9/16

6:30 am-5:27 pm

2 stops17h 57m

$573

Great FallsLondon

GTF - LHR

GTFLHR

Great Falls

Tue 9/9

11:43 am-9:50 am

1 stop15h 07m

London Heathrow

Tue 9/16

6:15 am-10:28 pm

2 stops23h 13m

$580

MissoulaLondon

MSO - LHR

MSOLHR

Missoula Johnson-Bell Field

Wed 11/26

5:35 am-10:00 am

1 stop21h 25m

London Heathrow

Wed 12/3

6:30 am-8:12 pm

2 stops20h 42m

$585

MissoulaLondon

MSO - LHR

MSOLHR

Missoula Johnson-Bell Field

Wed 11/26

5:35 am-10:00 am

1 stop21h 25m

London Heathrow

Wed 12/3

10:45 am-5:27 pm

1 stop13h 42m

$592

BozemanLondon

BZN - LHR

BZNLHR

Bozeman Gallatin Field

Tue 8/26

11:56 am-2:15 pm

1 stop19h 19m

London Heathrow

Tue 9/2

9:00 am-11:01 pm

2 stops21h 01m

$623

BozemanLondon

BZN - LHR

BZNLHR

Bozeman Gallatin Field

Wed 9/10

5:28 pm-2:15 pm

1 stop13h 47m

London Heathrow

Wed 9/17

12:45 pm-11:56 pm

1 stop18h 11m

$626

BozemanLondon

BZN - LHR

BZNLHR

Bozeman Gallatin Field

Tue 8/26

11:56 am-2:15 pm

1 stop19h 19m

London Heathrow

Tue 9/2

12:25 pm-11:01 pm

1 stop17h 36m

$631

Great FallsLondon

GTF - LHR

GTFLHR

Great Falls

Wed 9/10

2:35 pm-12:20 pm

1 stop14h 45m

London Heathrow

Wed 9/17

7:25 am-9:28 pm

2 stops21h 03m

$633

MissoulaLondon

MSO - LHR

MSOLHR

Missoula Johnson-Bell Field

Thu 8/21

3:31 pm-1:10 pm

1 stop14h 39m

London Heathrow

Wed 8/27

11:00 am-11:10 pm

1 stop19h 10m

$642

BozemanEdinburgh

BZN - EDI

BZNEDI

Bozeman Gallatin Field

Tue 9/9

8:00 am-8:05 am

2 stops17h 05m

Edinburgh Turnhouse

Tue 9/16

9:40 am-9:31 pm

2 stops18h 51m

$672

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/25

Showing 1-10 of 47 results
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Best time to book a flight from Montana to United Kingdom

Have a flexible travel schedule? Discover the best time to fly to United Kingdom 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 the United Kingdom

What is the cheapest month to book a flight from Montana to United Kingdom?

Currently, November is the cheapest month in which you can book a flight from Montana to United Kingdom (average of $661). Flying from Montana to United Kingdom in June is currently the most expensive (average of $1,097). 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.

Reviews of airlines servicing United Kingdom

Get insights into the airlines that provide service to United Kingdom. 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 United Kingdom. Reviews last updated July 28, 2025.
Get a feel of what it's like to fly with Delta, KLM, and Air France from Montana to the United Kingdom by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good

Food

7.3

Entertainment

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good
8.0
Very good

Food

7.3

Entertainment

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Food

7.3

Entertainment

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Food

7.3

Entertainment

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Food

7.3

Entertainment

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Food

7.3

Entertainment

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Montana to United Kingdom. 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 United Kingdom one-way?

    $338 is the cheapest one-way deal found within the past few days, from Delta. You may also be able to find cheap deals on United Airlines and KLM, with prices starting from $350 and $383, respectively.

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

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

  • How can I find direct flights from Montana to United Kingdom?

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

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

    Yes. Cheapflights offers flight deals from Montana to United Kingdom 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 United Kingdom?

    Currently, November is the cheapest month in which you can book a flight from Montana to United Kingdom (average of $661). Flying from Montana to United Kingdom in June is currently the most expensive (average of $1,097). 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Montana to United Kingdom

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

Top 3 airlines flying from Montana to United Kingdom

Discover the top 3 airlines that operate flights from Montana to United Kingdom. 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 July 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$613Average$877FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$645Average$925FlexibilityNo cancel feeOn-time69%
KLMCheapest$773Average$923FlexibilityNo cancel feeOn-time75%

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