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FCA - LHR

$322 Find Cheap Flights from Kalispell to London - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$906
Typical prices: $881-$1,189
United Airlines
Fri 3/2Mon 3/5
FCA - LHR • 1 stop
Cheapest one-way
$322
Typical prices: $553-$852
Alaska Airlines
Sat 1/13
FCA - LHR • 1 stop
Nonstop flights
Not available
There are currently no direct flights between Kalispell and London Heathrow Airport. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to travel
March
Cheapest • 43% price drop
April
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Salt Lake City (SLC)
Cheapest • Avg $817 (round-trip)
Denver Intl (DEN)
Shortest trip • 13h 12m (one-way)
Insights
Insights
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We hope you love your trip to London Heathrow Airport!
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Flight Deals

Cheap Flights from Kalispell to Heathrow (FCA-LHR)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Kalispell to Heathrow

Tue, Mar 2 - Fri, Mar 5
United Airlines Logo
1:40 pm - 11:15 amFCA  Kalispell Glacier Park-LHR London Heathrow
14h 35m1 stop San Francisco
United Airlines Logo
11:35 am - 9:30 pmLHR  London Heathrow-FCA Kalispell Glacier Park
16h 55m1 stop Denver Intl
$906United Airlines
Tue, Mar 2 - Fri, Mar 5
United Airlines Logo
1:40 pm - 11:15 amFCA  Kalispell Glacier Park-LHR London Heathrow
14h 35m1 stop San Francisco
United Airlines Logo
11:35 am - 9:30 pmLHR  London Heathrow-FCA Kalispell Glacier Park
16h 55m1 stop Denver Intl
$907United Airlines
Tue, Mar 2 - Fri, Mar 5
United Airlines Logo
1:40 pm - 8:35 pmFCA  Kalispell Glacier Park-LHR London Heathrow
23h 55m2 stops San Francisco Newark
United Airlines Logo
11:35 am - 10:45 pmLHR  London Heathrow-FCA Kalispell Glacier Park
18h 10m2 stops Denver Intl Los Angeles
$911United Airlines
Tue, Mar 2 - Fri, Mar 5
United Airlines Logo
1:40 pm - 9:20 pmFCA  Kalispell Glacier Park-LHR London Heathrow
24h 40m2 stops San Francisco Newark
United Airlines Logo
11:35 am - 9:30 pmLHR  London Heathrow-FCA Kalispell Glacier Park
16h 55m1 stop Denver Intl
$911United Airlines
Sat, Feb 27 - Mon, Mar 8
Virgin Atlantic Logo
11:59 am - 10:00 amFCA  Kalispell Glacier Park-LHR London Heathrow
15h 01m1 stop Salt Lake City
Virgin Atlantic Logo
8:25 pm - 11:07 pmLHR  London Heathrow-FCA Kalispell Glacier Park
33h 42m2 stops Amsterdam Schiphol Salt Lake City
$945Virgin Atlantic
Wed, Nov 18 - Tue, Nov 24
KLM Logo
12:25 pm - 10:00 amFCA  Kalispell Glacier Park-LHR London Heathrow
14h 35m1 stop Salt Lake City
KLM Logo
8:25 pm - 5:37 pmLHR  London Heathrow-FCA Kalispell Glacier Park
28h 12m2 stops Amsterdam Schiphol Salt Lake City
$956KLM
Tue, Nov 17 - Tue, Nov 24
Delta Logo
5:11 am - 11:35 amFCA  Kalispell Glacier Park-LHR London Heathrow
23h 24m2 stops Salt Lake City Los Angeles
Delta Logo
6:20 am - 10:45 pmLHR  London Heathrow-FCA Kalispell Glacier Park
23h 25m2 stops Paris Charles de Gaulle Salt Lake City
$968Delta
Wed, Nov 18 - Tue, Nov 24
Delta Logo
12:25 pm - 11:35 amFCA  Kalispell Glacier Park-LHR London Heathrow
16h 10m2 stops Salt Lake City Los Angeles
Delta Logo
5:35 pm - 5:37 pmLHR  London Heathrow-FCA Kalispell Glacier Park
31h 02m2 stops Paris Charles de Gaulle Salt Lake City
$980Delta
Sat, Feb 27 - Mon, Mar 8
Alaska Airlines Logo
2:10 pm - 12:20 pmFCA  Kalispell Glacier Park-LHR London Heathrow
15h 10m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
2:45 pm - 11:59 pmLHR  London Heathrow-FCA Kalispell Glacier Park
16h 14m1 stop Seattle/Tacoma Intl
$980Alaska Airlines
Tue, Nov 17 - Mon, Nov 23
Delta Logo
12:25 pm - 11:35 amFCA  Kalispell Glacier Park-LHR London Heathrow
16h 10m2 stops Salt Lake City Los Angeles
Delta Logo
5:35 pm - 5:37 pmLHR  London Heathrow-FCA Kalispell Glacier Park
31h 02m2 stops Paris Charles de Gaulle Salt Lake City
$1,005Delta
Booking Insights

Price, demand and travel trends for Kalispell to London Heathrow Airport flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

How much is a round-trip flight from Kalispell to London Heathrow Airport?

Round-trip flights from Kalispell to London Heathrow Airport typically range from $881 to $1,189. The lowest price found in the past 5 days was $906, on United Airlines.

What's the cheapest day of the week to fly from Kalispell to London Heathrow Airport?

Based on deals KAYAK users found in the last 12 months, Thursday is the cheapest day of the week to fly from Kalispell to London Heathrow Airport. It’s 5% cheaper than the average day, while Sunday is the most expensive, with prices 44% higher.

Find deals

Key details for Kalispell to London Heathrow Airport flights

Low season

February

Cheapest flight

$322
The most popular month to fly with an average 80% increase in travelers.
One-way flight from Kalispell to London Heathrow Airport

When to book flights from Kalispell to Heathrow

Are your dates flexible? Find out the best times to travel from Kalispell to Heathrow based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Kalispell to London Heathrow Airport flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What cabin classes can I book on flights from Kalispell to London Heathrow Airport?

    Two cabin classes are available on flights from Kalispell to London Heathrow Airport:

    • Economy Class
    • Business Class

  • How long is a flight from Kalispell to London Heathrow Airport?

    A nonstop flight from Kalispell to London Heathrow Airport takes 00m, covering 4,512 miles.

  • Do I need a passport to fly from Kalispell to London Heathrow Airport?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How much should I expect to pay for a Kalispell to London Heathrow Airport flight?

    Round-trip flights from Kalispell to London Heathrow Airport range from $881 to $1,189, with an average of $1,038 over the past 12 months. Anything below $881 counts as a good deal.

  • Have flight prices from Kalispell to London Heathrow Airport changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $906 to $4,147. That means the highest observed fare was about 5x higher than the lowest one.

  • How are flight prices from Kalispell to London Heathrow Airport looking right now?

    One-way fares from Kalispell to London Heathrow Airport are currently higher than usual. Average one-way flight prices are about $1,033, which is 27% above the typical average for this route.

  • What car rental options are available at London Heathrow Airport (LHR)?

    London Heathrow Airport (LHR) hosts 5 major car rental companies, with daily rates starting from around $7 for economy cars. Top options include:

    • GREEN MOTION
    • DRIVALIA
    • Europcar
    • Alamo
    • Hertz

  • Which airports can I use when flying from Kalispell to London Heathrow Airport?

    Flights from Kalispell to London Heathrow Airport usually depart from Kalispell Glacier Park (FCA) and arrive at London Heathrow (LHR).

  • Which airports do connecting flights from Kalispell to London Heathrow Airport pass through?

    One-stop flights from Kalispell to London Heathrow Airport most commonly connect through:

    • Denver Intl (DEN) - 57% of one-stop connections
    • Seattle/Tacoma Intl (SEA) - 33% of one-stop connections
    • Salt Lake City (SLC) - 10% of one-stop connections

  • Can I save money by using flexible dates for flights from Kalispell to London Heathrow Airport?

    Yes. Flexible dates can save you up to 35% on flights from Kalispell to London Heathrow Airport. Thursday is the cheapest departure day at $990 round-trip on average, while Sunday is the most expensive at $1,505, a difference of $515.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • How much time can I save by choosing a different layover airport from Kalispell to London Heathrow Airport?

    Flying via Denver Intl (DEN) gives the shortest average 1-stop total travel time at 13h 12m, compared with 14h 28m via Salt Lake City (SLC) and 15h 03m via Seattle/Tacoma Intl (SEA).

  • What is the time difference between Kalispell and London Heathrow Airport?

    London Heathrow Airport is 7 hours ahead of Kalispell (British Time vs Mountain Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in London Heathrow Airport?

    Some of the most popular sights in London Heathrow Airport are Hyde Park and Buckingham Palace. These are among the most viewed places in London Heathrow Airport on KAYAK.

Your guide to booking Kalispell to London Heathrow Airport flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Thursday departure and avoid flying on Sunday. On this route, Thursday flights average $990, about $515 less than Sunday fares (34% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Kalispell to London Heathrow Airport trip for March. Fares historically average $596 round-trip in that month - typically $665 less than the most expensive month, which is June (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to London Heathrow Airport.

    • Hilton London Heathrow Airport

More options for your flight from Kalispell to Heathrow

Complete your trip to London with a hotel stay or car rental

Car rentals in London
Hotels in London
Vacations in London