HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
United Kingdom

$567+ Cheap flights from Kalispell (FCA) 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 12/22. Fares are subject to change and may not be available on all flights or dates of travel.
FCA — LHR
Dec 17 — Dec 241
Wed 12/17
Wed 12/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Kalispell to United Kingdom with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 17, 2025.

This United Airlines deal was found by Cheapflights users on 11/16. 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 12/102:37 pmFCA - LHR
1 stop12h 03mUnited Airlines
Fri 1/96:00 pmLHR - FCA
2 stops34h 59mUnited Airlines
Deal found 11/16$629
This Delta deal was found by Cheapflights users on 11/16. 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 12/125:00 amFCA - LHR
2 stops22h 15mDelta
Fri 1/98:00 pmLHR - FCA
2 stops25h 31mDelta
Deal found 11/16$700
This United Airlines deal was found by Cheapflights users on 11/16. 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 12/112:37 pmFCA - LHR
1 stop12h 03mUnited Airlines
Fri 1/98:00 amLHR - FCA
2 stops20h 59mUnited Airlines
Deal found 11/16$800
This Delta deal was found by Cheapflights users on 11/16. 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 12/105:00 amFCA - LHR
1 stop22h 00mDelta
Fri 1/911:05 amLHR - FCA
1 stop34h 26mDelta
Deal found 11/16$844
This KLM deal was found by Cheapflights users on 11/16. 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 12/1012:11 pmFCA - LHR
1 stop14h 49mKLM
Thu 1/810:45 amLHR - FCA
1 stop13h 29mKLM
Deal found 11/16$866
This Delta deal was found by Cheapflights users on 11/16. 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 12/1012:11 pmFCA - LHR
1 stop14h 49mDelta
Wed 1/710:10 amLHR - FCA
2 stops19h 42mDelta
Deal found 11/16$871
This United Airlines deal was found by Cheapflights users on 11/16. 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 12/116:15 amFCA - LHR
1 stop20h 25mUnited Airlines
Thu 1/83:30 pmLHR - FCA
2 stops37h 29mUnited Airlines
Deal found 11/16$888
This Delta deal was found by Cheapflights users on 11/16. 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 12/112:51 pmFCA - LHR
1 stop33h 14mDelta
Fri 1/911:05 amLHR - FCA
1 stop34h 26mDelta
Deal found 11/16$899
This Delta deal was found by Cheapflights users on 11/16. 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 12/125:00 amFCA - LHR
2 stops19h 05mDelta
Thu 1/810:45 amLHR - FCA
1 stop19h 07mDelta
Deal found 11/16$921
This United Airlines deal was found by Cheapflights users on 11/16. 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 12/122:37 pmFCA - LHR
1 stop12h 03mUnited Airlines
Thu 1/811:35 amLHR - FCA
1 stop17h 24mUnited Airlines
Deal found 11/16$1,177
This Expedia deal was found by Cheapflights users on 11/16. 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.
Thu 12/116:30 amFCA - LGW
2 stops21h 25mMultiple Airlines
Thu 1/811:55 amLGW - FCA
2 stops31h 19mMultiple Airlines
Deal found 11/16$2,227

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 17, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$629
(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 ($157 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 17, 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

Wed 12/10

2:37 pm-9:40 am

1 stop12h 03m

London Heathrow

Fri 1/9

6:00 pm-9:59 pm

2 stops34h 59m

$629

KalispellLondon

FCA - LHR

FCALHR

Kalispell Glacier Park

Thu 12/11

2:37 pm-9:40 am

1 stop12h 03m

London Heathrow

Fri 1/9

8:00 am-9:59 pm

2 stops20h 59m

$800

KalispellLondon

FCA - LHR

FCALHR

Kalispell Glacier Park

Sun 4/5

3:00 pm-1:10 pm

1 stop15h 10m

London Heathrow

Wed 4/29

6:30 am-5:42 pm

2 stops18h 12m

$810

KalispellLondon

FCA - LHR

FCALHR

Kalispell Glacier Park

Mon 4/6

2:29 pm-12:20 pm

1 stop14h 51m

London Heathrow

Tue 4/28

7:25 am-9:30 pm

2 stops21h 05m

$810

KalispellLondon

FCA - LHR

FCALHR

Kalispell Glacier Park

Tue 3/31

6:31 am-12:20 pm

1 stop22h 49m

London Heathrow

Thu 4/30

5:40 pm-9:30 pm

2 stops34h 50m

$822

KalispellLondon

FCA - LHR

FCALHR

Kalispell Glacier Park

Wed 4/8

2:29 pm-9:40 am

1 stop12h 11m

London Heathrow

Thu 4/30

5:40 pm-9:30 pm

2 stops34h 50m

$822

KalispellLondon

FCA - LHR

FCALHR

Kalispell Glacier Park

Wed 4/1

2:29 pm-12:20 pm

1 stop14h 51m

London Heathrow

Thu 4/30

5:40 pm-9:30 pm

2 stops34h 50m

$822

KalispellLondon

FCA - LHR

FCALHR

Kalispell Glacier Park

Wed 4/1

6:31 am-6:45 am

2 stops17h 14m

London Heathrow

Fri 5/1

5:40 pm-9:30 pm

2 stops34h 50m

$826

KalispellLondon

FCA - LHR

FCALHR

Kalispell Glacier Park

Tue 3/31

6:31 am-8:20 am

2 stops18h 49m

London Heathrow

Fri 5/1

5:40 pm-9:30 pm

2 stops34h 50m

$826

KalispellEdinburgh

FCA - EDI

FCAEDI

Kalispell Glacier Park

Wed 3/4

6:25 am-10:20 am

2 stops20h 55m

Edinburgh Turnhouse

Tue 3/10

11:20 am-11:57 pm

2 stops18h 37m

$1,025

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/17

Showing 1-10 of 18 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 November 17, 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
8,008 reviews

Boarding

8.1

Crew

8.5

Food

7.3

Overall

7.9

Entertainment

7.9

Comfort

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
8,008 reviews
Delta
7.9
Good
8,008 reviews

Boarding

8.1

Crew

8.5

Food

7.3

Overall

7.9

Entertainment

7.9

Comfort

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
9,014 reviews
Delta
7.9
Good
8,008 reviews

Boarding

8.1

Crew

8.5

Food

7.3

Overall

7.9

Entertainment

7.9

Comfort

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 and Delta can get you from Kalispell to United Kingdom in just under 12h 03m. Your travel time can differ by up to 3h 07m. 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 - Edinburgh Turnhouse. You may also consider Kalispell Glacier Park - London Heathrow 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Kalispell to United Kingdom

See prices for flight routes from nearby airports that may be better suited for you.
Bozeman to Heathrow flights
Missoula to Leonardo da Vinci/Fiumicino flights
Bozeman to Dublin flights
Missoula to Heathrow flights
Missoula to Malpensa flights
Bozeman to Charles de Gaulle flights
Missoula to Charles de Gaulle flights
Bozeman to Malpensa flights
Bozeman to Zurich flights
Bozeman to Frankfurt flights
Missoula to Vicenza flights
Bozeman to Amsterdam flights
Bozeman to Leonardo da Vinci/Fiumicino flights
Bozeman to Keflavik Intl flights
Billings to Leonardo da Vinci/Fiumicino flights
Billings to Keflavik Intl flights
Bozeman to Athens flights
Bozeman to Madrid flights
Kalispell to Frankfurt flights
Missoula to Lisbon flights
Bozeman to Edinburgh flights
Bozeman to Geneva flights
Bozeman to Arlanda flights
Missoula to Frankfurt flights
Missoula to Frederic Chopin flights
Bozeman to Linate flights
Bozeman to Munich flights
Kalispell to Vicenza flights
Missoula to Naples flights
Billings to Frederic Chopin flights
Bozeman to Lisbon flights
Kalispell to Amsterdam flights
Kalispell to Keflavik Intl flights
Bozeman to Prague flights
Kalispell to Oslo Gardermoen flights
Billings to Dublin flights
Billings to Edinburgh flights
Bozeman to Barcelona-El Prat flights
Bozeman to Istanbul flights
Bozeman to London City flights
Kalispell to Barcelona-El Prat flights
Kalispell to Leonardo da Vinci/Fiumicino flights
Great Falls to Heathrow flights
Helena to Keflavik Intl flights
Missoula to Amsterdam flights
Missoula to Duesseldorf Intl flights
Missoula to Manchester flights
Billings to Charles de Gaulle flights

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 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$733Average$875FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.