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$617+ Cheap flights from Kalispell (FCA) to the United Kingdom

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/30. Fares are subject to change and may not be available on all flights or dates of travel.
FCA — LHR
Dec 24 — Dec 311
Wed 12/24
Wed 12/31
1 adult, Economy
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Find flight deals from Kalispell to United Kingdom

Cheapest flights from Kalispell to United Kingdom
Explore the most affordable flight options available from Kalispell to United Kingdom. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 24, 2025.

This United Airlines deal was found by Cheapflights users on 11/24. 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 12/316:10 amFCA - LHR
1 stop20h 30mUnited Airlines
Wed 2/2510:05 amLHR - FCA
1 stop32h 49mUnited Airlines
Deal found 11/24$644
This American Airlines deal was found by Cheapflights users on 11/24. 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.
Wed 12/3112:58 pmFCA - LHR
2 stops17h 17mMultiple Airlines
Wed 2/2511:45 amLHR - FCA
2 stops19h 12mMultiple Airlines
Deal found 11/24$649
This Delta deal was found by Cheapflights users on 11/21. 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.
Fri 12/55:00 amFCA - LHR
2 stops18h 50mDelta
Tue 12/98:40 amLHR - FCA
2 stops39h 45mDelta
Deal found 11/21$823
This United Airlines deal was found by Cheapflights users on 11/21. 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.
Fri 12/56:15 amFCA - LHR
1 stop20h 25mUnited Airlines
Tue 12/911:10 amLHR - FCA
2 stops41h 36mUnited Airlines
Deal found 11/21$830

Cheap flight deals from Kalispell to United Kingdom

Keep the following information in mind while searching for Kalispell to United Kingdom flight deals. Data was last updated November 24, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$617
(United Airlines)

Popular in

December

Cheapest in

October

Average price

$801
Provider with most accurate pricing for Kalispell Glacier Park-London (LON) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Kalispell Glacier Park-London (LON) flights.
Search Deals
From Kalispell Glacier Park to United Kingdom
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($155 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($64 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 Kalispell 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 November 24, 2025.
Use the filters below to find and compare flights from Kalispell to the United Kingdom that are best for you.

Fly from

Kalispell

Fly to

United Kingdom

Route

Depart

Return

Price

KalispellEdinburgh

FCA - EDI

FCAEDI

Kalispell Glacier Park

Fri 1/30

6:00 am-7:55 am

2 stops18h 55m

Edinburgh Turnhouse

Tue 2/3

9:25 am-9:59 pm

2 stops19h 34m

$617

KalispellLondon

FCA - LHR

FCALHR

Kalispell Glacier Park

Tue 1/13

12:15 pm-10:00 am

1 stop14h 45m

London Heathrow

Thu 1/22

8:25 pm-5:19 pm

2 stops27h 54m

$625

KalispellLondon

FCA - LHR

FCALHR

Kalispell Glacier Park

Wed 12/31

12:58 pm-1:15 pm

2 stops17h 17m

London Heathrow

Wed 2/25

11:45 am-11:57 pm

2 stops19h 12m

$649

KalispellLondon

FCA - LHR

FCALHR

Kalispell Glacier Park

Wed 1/7

5:05 am-7:05 am

2 stops19h 00m

London Heathrow

Wed 1/14

10:45 am-5:14 pm

1 stop13h 29m

$657

KalispellLondon

FCA - LHR

FCALHR

Kalispell Glacier Park

Wed 1/7

12:15 pm-10:00 am

1 stop14h 45m

London Heathrow

Wed 1/14

10:45 am-5:14 pm

1 stop13h 29m

$752

KalispellLondon

FCA - LHR

FCALHR

Kalispell Glacier Park

Tue 1/6

3:23 pm-8:10 pm

2 stops21h 47m

London Heathrow

Tue 1/13

10:45 am-5:14 pm

1 stop13h 29m

$757

KalispellLondon

FCA - LHR

FCALHR

Kalispell Glacier Park

Mon 4/13

11:59 am-9:50 am

1 stop14h 51m

London Heathrow

Wed 4/22

11:45 am-11:02 pm

2 stops18h 17m

$809

KalispellLondon

FCA - LHR

FCALHR

Kalispell Glacier Park

Wed 4/8

6:31 am-10:00 am

2 stops20h 29m

London Heathrow

Thu 4/30

7:30 am-9:30 pm

2 stops21h 00m

$818

KalispellEdinburgh

FCA - EDI

FCAEDI

Kalispell Glacier Park

Wed 3/4

12:15 pm-8:40 am

2 stops37h 25m

Edinburgh Turnhouse

Tue 3/10

5:00 pm-5:18 pm

2 stops30h 18m

$927

KalispellLondon

FCA - LGW

FCALGW

Kalispell Glacier Park

Tue 1/6

8:10 pm-10:55 am

2 stops31h 45m

London Gatwick

Tue 1/13

11:55 am-11:58 pm

2 stops19h 03m

$946

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/21

Showing 1-10 of 16 results
1
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Best time to book a flight from Kalispell to United Kingdom

Have a flexible travel schedule? Discover the best time to fly to United Kingdom from Kalispell 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 Kalispell to the United Kingdom
No data available for this route at this time. Please check back soon.

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 November 24, 2025.
Read reviews from past customers who have flown Delta and United Airlines from Kalispell to the United Kingdom. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
7,998 reviews

Overall

7.9

Comfort

7.9

Crew

8.5

Food

7.3

Boarding

8.1

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
7,998 reviews
Delta
7.9
Good
7,998 reviews

Overall

7.9

Comfort

7.9

Crew

8.5

Food

7.3

Boarding

8.1

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,044 reviews
Delta
7.9
Good
7,998 reviews

Overall

7.9

Comfort

7.9

Crew

8.5

Food

7.3

Boarding

8.1

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Kalispell 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 airport do you fly from for flights from Kalispell to United Kingdom?

    Located just 8.4 mi from the city center, Kalispell Glacier Park (FCA) is the airport most travelers will use when flying to United Kingdom from Kalispell.

  • How long is the flight from Kalispell to United Kingdom?

    United Airlines, KLM, and Delta can get you from Kalispell to United Kingdom in just under 14h 45m. Your travel time can differ by up to 4h 15m. The distance from Kalispell to United Kingdom is about 4512 mi. This flight may include one or multiple stops.

  • What are the most popular routes from Kalispell to United Kingdom?

    The most popular route from Kalispell to United Kingdom is Kalispell Glacier Park - London Heathrow. You may also consider Kalispell Glacier Park - London Gatwick or Kalispell Glacier Park - Edinburgh Turnhouse.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Kalispell 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.

See more FAQs

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Alternative routes for Kalispell to United Kingdom

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Kalispell to United Kingdom

Discover the top airline that operate flights from Kalispell 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 November 24, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$733Average$875FlexibilityNo cancel feeOn-time69%

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