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$685+ 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 10/30. Fares are subject to change and may not be available on all flights or dates of travel.
FCA — LHR
Oct 18 — Oct 251
Sat 10/18
Sat 10/25
1 adult, Economy
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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 September 18, 2025.

Round-trip from

$770
(United Airlines)

Popular in

December

Cheapest in

September

Average price

$775
From Kalispell Glacier Park to United Kingdom
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($184 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($66 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
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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 September 18, 2025.

This Delta deal was found by Cheapflights users on 9/15. 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.
Thu 10/305:20 amFCA - LHR
2 stops19h 45mDelta
Thu 11/68:55 amLHR - FCA
2 stops21h 14mDelta
Deal found 9/15$685
This United Airlines deal was found by Cheapflights users on 9/17. 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 9/2410:47 amFCA - EDI
2 stops16h 48mUnited Airlines
Wed 10/112:30 pmEDI - FCA
2 stops28h 39mUnited Airlines
Deal found 9/17$688
This United Airlines deal was found by Cheapflights users on 9/15. 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.
Thu 10/302:38 pmFCA - LHR
1 stop13h 02mUnited Airlines
Thu 11/611:35 amLHR - FCA
1 stop17h 09mUnited Airlines
Deal found 9/15$737
This United Airlines deal was found by Cheapflights users on 9/17. 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 9/2412:41 pmFCA - EDI
1 stop12h 44mUnited Airlines
Thu 10/29:40 amEDI - FCA
2 stops18h 51mUnited Airlines
Deal found 9/17$756
This United Airlines deal was found by Cheapflights users on 9/17. 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 9/2410:47 amFCA - EDI
2 stops16h 48mUnited Airlines
Tue 9/3011:30 amEDI - FCA
2 stops17h 01mUnited Airlines
Deal found 9/17$820
This United Airlines deal was found by Cheapflights users on 9/17. 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 9/2312:41 pmFCA - EDI
2 stops15h 59mUnited Airlines
Wed 10/112:30 pmEDI - FCA
2 stops33h 57mUnited Airlines
Deal found 9/17$893
This Delta deal was found by Cheapflights users on 9/17. 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 9/226:10 pmFCA - EDI
2 stops32h 10mDelta
Wed 10/110:00 amEDI - FCA
2 stops21h 22mDelta
Deal found 9/17$908
This Delta deal was found by Cheapflights users on 9/17. 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 9/226:10 pmFCA - EDI
2 stops32h 10mDelta
Thu 10/22:05 pmEDI - FCA
2 stops30h 47mDelta
Deal found 9/17$915
This United Airlines deal was found by Cheapflights users on 9/17. 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 9/2212:41 pmFCA - EDI
1 stop12h 44mUnited Airlines
Thu 10/29:40 amEDI - FCA
2 stops18h 51mUnited Airlines
Deal found 9/17$919
This United Airlines deal was found by Cheapflights users on 9/17. 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 9/2312:41 pmFCA - EDI
2 stops15h 59mUnited Airlines
Tue 9/3011:30 amEDI - FCA
2 stops17h 01mUnited Airlines
Deal found 9/17$923
This United Airlines deal was found by Cheapflights users on 9/17. 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 9/2212:41 pmFCA - EDI
1 stop12h 44mUnited Airlines
Tue 9/3011:30 amEDI - FCA
2 stops17h 01mUnited Airlines
Deal found 9/17$948
This United Airlines deal was found by Cheapflights users on 9/17. 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 9/1910:47 amFCA - LHR
1 stop15h 53mUnited Airlines
Tue 9/303:50 pmLHR - FCA
2 stops26h 45mUnited Airlines
Deal found 9/17$960

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 September 18, 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

KalispellLondon

FCA - LHR

FCALHR

Kalispell Glacier Park

Thu 10/30

5:20 am-7:05 am

2 stops19h 45m

London Heathrow

Thu 11/6

8:55 am-11:09 pm

2 stops21h 14m

$685

KalispellLondon

FCA - LHR

FCALHR

Kalispell Glacier Park

Thu 10/30

2:38 pm-9:40 am

1 stop13h 02m

London Heathrow

Thu 11/6

11:35 am-9:44 pm

1 stop17h 09m

$737

KalispellLondon

FCA - LGW

FCALGW

Kalispell Glacier Park

Thu 10/30

6:33 am-10:55 am

2 stops22h 22m

London Gatwick

Thu 11/6

11:55 am-11:57 pm

2 stops19h 02m

$1,157

KalispellLondon

FCA - LHR

FCALHR

Kalispell Glacier Park

Mon 10/27

6:10 am-9:40 am

1 stop21h 30m

London Heathrow

Wed 11/5

11:35 am-9:44 pm

1 stop17h 09m

$1,731

KalispellLondon

FCA - LHR

FCALHR

Kalispell Glacier Park

Wed 10/29

6:10 am-7:55 am

2 stops19h 45m

London Heathrow

Wed 11/5

8:00 am-9:44 pm

2 stops20h 44m

$1,736

KalispellLondon

FCA - LHR

FCALHR

Kalispell Glacier Park

Sun 10/26

6:10 am-7:30 am

2 stops19h 20m

London Heathrow

Wed 11/5

11:35 am-9:44 pm

1 stop17h 09m

$1,736

KalispellLondon

FCA - LHR

FCALHR

Kalispell Glacier Park

Tue 10/28

6:10 am-6:20 am

2 stops18h 10m

London Heathrow

Wed 11/5

9:10 am-9:44 pm

2 stops19h 34m

$1,736

KalispellLondon

FCA - LHR

FCALHR

Kalispell Glacier Park

Sun 10/26

6:10 am-7:30 am

2 stops19h 20m

London Heathrow

Thu 11/6

11:35 am-9:44 pm

1 stop17h 09m

$1,736

KalispellLondon

FCA - LHR

FCALHR

Kalispell Glacier Park

Tue 10/28

6:10 am-8:25 am

2 stops20h 15m

London Heathrow

Thu 11/6

9:10 am-9:44 pm

2 stops19h 34m

$1,736

KalispellLondon

FCA - LHR

FCALHR

Kalispell Glacier Park

Tue 10/28

6:10 am-7:55 am

2 stops19h 45m

London Heathrow

Tue 11/4

8:00 am-9:44 pm

2 stops20h 44m

$1,736

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 12 results
1
2

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 September 18, 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
8.0
Very good
7,961 reviews

Crew

8.5

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

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!
Delta
8.0
Very good
7,961 reviews
Delta
8.0
Very good
7,961 reviews

Crew

8.5

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

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!
United Airlines
7.4
Good
8,926 reviews
Delta
8.0
Very good
7,961 reviews

Crew

8.5

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

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 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?

    Delta and United Airlines can get you from Kalispell to United Kingdom in just under 13h 02m. Your travel time can differ by up to 6h 43m. 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 - Edinburgh Turnhouse or Kalispell Glacier Park - London Gatwick.

  • 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.

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

    Currently, November is the cheapest month in which you can book a flight from Kalispell to United Kingdom (average of $661). Flying from Kalispell 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

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Alternative routes for Kalispell to United Kingdom

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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 September 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$741Average$949FlexibilityNo cancel feeOn-time69%

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