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$468+ Cheap flights from Kalispell (FCA) to London (LON)

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 9/22. Fares are subject to change and may not be available on all flights or dates of travel.
FCA — LON
Aug 25 — Sep 11
Mon 8/25
Mon 9/1
1 adult, Economy
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Cheap flight deals from Kalispell to London

Discover tips and strategies to find the most affordable flight options for your journey from Kalispell (FCA) to London (LON). 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 August 20, 2025.

Round-trip from

$633
(KLM)

One-way from

$468
(United Airlines)
From Kalispell Glacier Park to London (LON)
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One-way flight from Kalispell Glacier Park to London (LON)
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Find flight deals from Kalispell to London

Cheapest flights from Kalispell to London
Explore the most affordable flight options available from Kalispell to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 20, 2025.

This KLM deal was found by Cheapflights users on 8/18. 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 11/1211:59 amFCA - LHR
1 stop15h 01mMultiple Airlines
Wed 11/196:20 amLHR - FCA
2 stops18h 25mMultiple Airlines
Deal found 8/18$633
This Virgin Atlantic deal was found by Cheapflights users on 8/18. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/125:25 amFCA - LHR
2 stops18h 40mVirgin Atlantic
Wed 11/196:20 amLHR - FCA
2 stops18h 25mVirgin Atlantic
Deal found 8/18$637
This KLM deal was found by Cheapflights users on 8/18. 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 11/1211:59 amFCA - LHR
1 stop15h 01mKLM
Wed 11/1910:45 amLHR - FCA
1 stop14h 00mKLM
Deal found 8/18$641
This Delta deal was found by Cheapflights users on 8/18. 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 11/135:25 amFCA - LHR
2 stops18h 40mDelta
Thu 11/206:20 amLHR - FCA
2 stops18h 25mDelta
Deal found 8/18$687
This United Airlines deal was found by Cheapflights users on 8/17. 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 9/245:15 pmFCA - LHR
1 stop12h 05mUnited Airlines
Fri 10/312:05 pmLHR - FCA
2 stops30h 30mUnited Airlines
Deal found 8/17$735
This United Airlines deal was found by Cheapflights users on 8/17. 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.
Sun 9/216:30 amFCA - LHR
1 stop22h 50mUnited Airlines
Tue 9/3011:25 amLHR - FCA
1 stop17h 06mUnited Airlines
Deal found 8/17$751
This United Airlines deal was found by Cheapflights users on 8/17. 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 9/226:30 amFCA - LHR
2 stops18h 50mUnited Airlines
Fri 10/311:25 amLHR - FCA
1 stop17h 06mUnited Airlines
Deal found 8/17$756
This Virgin Atlantic deal was found by Cheapflights users on 8/17. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/2411:54 amFCA - LHR
2 stops19h 21mVirgin Atlantic
Fri 10/35:30 pmLHR - FCA
2 stops30h 56mVirgin Atlantic
Deal found 8/17$776
This United Airlines deal was found by Cheapflights users on 8/20. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/191:54 pmFCA - LHR
1 stop14h 16mUnited Airlines
Tue 9/3012:05 pmLHR - FCA
2 stops30h 30mUnited Airlines
Deal found 8/20$784
This Delta deal was found by Cheapflights users on 8/20. 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.
Fri 9/196:45 amFCA - LHR
1 stop23h 25mDelta
Tue 9/3010:55 amLHR - FCA
1 stop20h 27mDelta
Deal found 8/20$788
This Expedia deal was found by Cheapflights users on 8/18. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/126:33 amFCA - LGW
2 stops21h 22mMultiple Airlines
Wed 11/1911:55 amLGW - FCA
2 stops19h 02mMultiple Airlines
Deal found 8/18$1,062
This Expedia deal was found by Cheapflights users on 8/17. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/244:22 pmFCA - LGW
2 stops15h 18mMultiple Airlines
Fri 10/33:40 pmLGW - FCA
2 stops27h 42mMultiple Airlines
Deal found 8/17$1,120

Cheapflights Fare Finder

 
Customize your flight search to find flights from Kalispell to London 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 August 20, 2025.
Use the filters below to find and compare flights from Kalispell to London that are best for you.

Fly from

Kalispell

Fly to

London

Route

Depart

Return

Price

KalispellLondon

FCA - LHR

FCALHR

Kalispell Glacier Park

Wed 11/12

11:59 am-10:00 am

1 stop15h 01m

London Heathrow

Wed 11/19

6:20 am-5:45 pm

2 stops18h 25m

$633

KalispellLondon

FCA - LHR

FCALHR

Kalispell Glacier Park

Wed 11/12

5:25 am-7:05 am

2 stops18h 40m

London Heathrow

Wed 11/19

6:20 am-5:45 pm

2 stops18h 25m

$637

KalispellLondon

FCA - LHR

FCALHR

Kalispell Glacier Park

Wed 11/12

11:59 am-10:00 am

1 stop15h 01m

London Heathrow

Wed 11/19

10:45 am-5:45 pm

1 stop14h 00m

$641

KalispellLondon

FCA - LHR

FCALHR

Kalispell Glacier Park

Thu 11/13

5:25 am-7:05 am

2 stops18h 40m

London Heathrow

Thu 11/20

6:20 am-5:45 pm

2 stops18h 25m

$687

KalispellLondon

FCA - LHR

FCALHR

Kalispell Glacier Park

Wed 9/24

5:15 pm-12:20 pm

1 stop12h 05m

London Heathrow

Fri 10/3

12:05 pm-11:35 am

2 stops30h 30m

$735

KalispellLondon

FCA - LHR

FCALHR

Kalispell Glacier Park

Mon 9/22

6:30 am-9:40 am

1 stop20h 10m

London Heathrow

Tue 9/30

2:50 pm-9:31 pm

1 stop13h 41m

$751

KalispellLondon

FCA - LHR

FCALHR

Kalispell Glacier Park

Wed 9/24

1:28 pm-9:10 am

1 stop12h 42m

London Heathrow

Fri 10/3

9:50 am-3:42 pm

1 stop12h 52m

$751

KalispellLondon

FCA - LHR

FCALHR

Kalispell Glacier Park

Wed 9/24

6:30 am-12:20 pm

1 stop22h 50m

London Heathrow

Wed 10/1

11:25 am-9:31 pm

1 stop17h 06m

$751

KalispellLondon

FCA - LHR

FCALHR

Kalispell Glacier Park

Tue 9/23

12:41 pm-11:45 am

1 stop16h 04m

London Heathrow

Fri 10/3

2:50 pm-9:31 pm

1 stop13h 41m

$751

KalispellLondon

FCA - LHR

FCALHR

Kalispell Glacier Park

Mon 9/22

6:30 am-12:20 pm

1 stop22h 50m

London Heathrow

Thu 10/2

2:50 pm-9:31 pm

1 stop13h 41m

$751

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/18

Showing 1-10 of 21 results
1
2
3

Best time to book a flight from Kalispell to London

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

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. 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 London. Reviews last updated August 20, 2025.
Peruse reviews from past customers who have flown with United Airlines from Kalispell to London to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,928 reviews

Food

6.6

Boarding

7.7

Crew

8.1

Comfort

7.3

Entertainment

7.1

Overall

7.4

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,928 reviews
United Airlines
7.4
Good
8,928 reviews

Food

6.6

Boarding

7.7

Crew

8.1

Comfort

7.3

Entertainment

7.1

Overall

7.4

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Related info for your journey

Find useful and relevant information for your journey from Kalispell to London. 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 London?

    Located just 8.4 mi from the city center, Kalispell Glacier Park is the airport most travelers will use when flying to London from Kalispell. Booking flights from Glacier Park (FCA) to London should be relatively easy as there are 0 daily outbound flights to London from 1 airline.

  • How long is the flight from Kalispell to London?

    Departing from Kalispell to London will take you 15h 01m. Kalispell and London are separated by a distance of 4512 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What is the cheapest airline to fly from Kalispell to London round-trip?

    Flying on United Airlines is currently your cheapest option to London, with prices starting at $741.

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

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

  • How can I find direct flights from Kalispell to London?

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

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

    Yes. Cheapflights offers flight deals from Kalispell to London 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 London?

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

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Hounslow
Hayes
Thornton Heath
Southend-on-Sea
Harrow
Canterbury
Croydon
Dartford
Dover
Orpington
Gatwick
Borehamwood
Aylesbury
Chelmsford
Bedford
Folkestone
Chichester
Arundel
Eastbourne
Milton Keynes

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Top airline flying from Kalispell to London

Discover the top airline that operate flights from Kalispell to London. 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 August 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$741Average$899FlexibilityNo cancel feeOn-time69%

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