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Cheap flights from Kalispell to London from £386

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Kalispell to London departing on 20/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags
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Find the cheapest flights from Kalispell to London

Cheap return flights

Delta Logo
12:06 - 10:00FCA-LHR
14h 54m1 stop
Delta Logo
06:20 - 23:00LHR-FCA
23h 40m2 stops
£543Delta
Find Deal
Wed, 12 Nov - Wed, 19 Nov
KLM Logo
12:06 - 11:40FCA-LHR
16h 34m2 stops
KLM Logo
20:25 - 17:26LHR-FCA
28h 01m2 stops
£546KLM
Find Deal
Wed, 12 Nov - Tue, 18 Nov
Delta Logo
18:10 - 10:00FCA-LHR
32h 50m1 stop
Delta Logo
06:20 - 17:26LHR-FCA
18h 06m2 stops
£547Delta
Find Deal
Sun, 2 Nov - Wed, 12 Nov
United Airlines Logo
14:31 - 09:40FCA-LHR
12h 09m1 stop
United Airlines Logo
18:00 - 21:33LHR-FCA
33h 33m2 stops
£548United Airlines
Find Deal
Tue, 21 Oct - Thu, 30 Oct
Delta Logo
12:06 - 10:00FCA-LHR
14h 54m1 stop
Delta Logo
17:35 - 17:26LHR-FCA
30h 51m2 stops
£553Delta
Find Deal
Mon, 17 Nov - Mon, 24 Nov
Delta Logo
18:06 - 06:20FCA-LHR
29h 14m2 stops
Delta Logo
17:35 - 17:26LHR-FCA
30h 51m2 stops
£556Delta
Find Deal
Sat, 15 Nov - Mon, 24 Nov
United Airlines Logo
14:31 - 09:40FCA-LHR
12h 09m1 stop
United Airlines Logo
11:35 - 21:33LHR-FCA
15h 58m1 stop
£560United Airlines
Find Deal
Tue, 21 Oct - Wed, 29 Oct
United Airlines Logo
17:06 - 09:40FCA-LHR
33h 34m1 stop
United Airlines Logo
11:35 - 21:33LHR-FCA
15h 58m1 stop
£564United Airlines
Find Deal
Sat, 18 Oct - Tue, 28 Oct
United Airlines Logo
14:31 - 09:40FCA-LHR
12h 09m1 stop
United Airlines Logo
15:50 - 11:35LHR-FCA
26h 45m2 stops
£565United Airlines
Find Deal
Wed, 15 Oct - Thu, 23 Oct
KLM Logo
12:11 - 10:00FCA-LHR
14h 49m1 stop
KLM Logo
20:25 - 17:25LHR-FCA
28h 00m2 stops
£576KLM
Find Deal
Fri, 5 Dec - Wed, 10 Dec

United Airlines flights from Kalispell to London Heathrow Airport

Our best United Airlines deals on Kalispell to London Heathrow Airport flight tickets
United Airlines
21 Oct
FCA14:31Kalispell Glacier Park
12h 09m
1 stop
LHR09:40London Heathrow
30 Oct
LHR18:00London Heathrow
33h 33m
2 stops
FCA21:33Kalispell Glacier Park
£548
Find similar
United Airlines
21 Oct
FCA14:31Kalispell Glacier Park
12h 09m
1 stop
LHR09:40London Heathrow
29 Oct
LHR11:35London Heathrow
15h 58m
1 stop
FCA21:33Kalispell Glacier Park
£560
Find similar
United Airlines
18 Oct
FCA17:06Kalispell Glacier Park
33h 34m
1 stop
LHR09:40London Heathrow
28 Oct
LHR11:35London Heathrow
15h 58m
1 stop
FCA21:33Kalispell Glacier Park
£564
Find similar

Delta flights from Kalispell to London Heathrow Airport

Our best Delta deals on Kalispell to London Heathrow Airport flight tickets
Delta
12 Nov
FCA12:06Kalispell Glacier Park
14h 54m
1 stop
LHR10:00London Heathrow
19 Nov
LHR06:20London Heathrow
23h 40m
2 stops
FCA23:00Kalispell Glacier Park
£543
Find similar
Delta
2 Nov
FCA18:10Kalispell Glacier Park
32h 50m
1 stop
LHR10:00London Heathrow
12 Nov
LHR06:20London Heathrow
18h 06m
2 stops
FCA17:26Kalispell Glacier Park
£547
Find similar
Delta
17 Nov
FCA12:06Kalispell Glacier Park
14h 54m
1 stop
LHR10:00London Heathrow
24 Nov
LHR17:35London Heathrow
30h 51m
2 stops
FCA17:26Kalispell Glacier Park
£553
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from Kalispell to London Heathrow Airport 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, momondo users made 279,928 searches. Data last updated 26 September 2025.
Use the filters below to find and compare flights from Kalispell to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

KalispellLondon

FCA - LHR

FCALHR

Kalispell Glacier Park

Wed 12/11

12:06-10:00

1 stop14h 54m

London Heathrow

Wed 19/11

06:20-23:00

2 stops23h 40m

£543

KalispellLondon

FCA - LHR

FCALHR

Kalispell Glacier Park

Wed 12/11

12:06-11:40

2 stops16h 34m

London Heathrow

Tue 18/11

20:25-17:26

2 stops28h 01m

£546

KalispellLondon

FCA - LHR

FCALHR

Kalispell Glacier Park

Sun 2/11

18:10-10:00

1 stop32h 50m

London Heathrow

Wed 12/11

06:20-17:26

2 stops18h 06m

£547

KalispellLondon

FCA - LHR

FCALHR

Kalispell Glacier Park

Tue 21/10

14:31-09:40

1 stop12h 09m

London Heathrow

Thu 30/10

18:00-21:33

2 stops33h 33m

£548

KalispellLondon

FCA - LHR

FCALHR

Kalispell Glacier Park

Mon 17/11

12:06-10:00

1 stop14h 54m

London Heathrow

Mon 24/11

17:35-17:26

2 stops30h 51m

£553

KalispellLondon

FCA - LHR

FCALHR

Kalispell Glacier Park

Sat 15/11

18:06-06:20

2 stops29h 14m

London Heathrow

Mon 24/11

17:35-17:26

2 stops30h 51m

£556

KalispellLondon

FCA - LHR

FCALHR

Kalispell Glacier Park

Tue 21/10

14:31-09:40

1 stop12h 09m

London Heathrow

Wed 29/10

11:35-21:33

1 stop15h 58m

£560

KalispellLondon

FCA - LHR

FCALHR

Kalispell Glacier Park

Sat 18/10

17:06-09:40

1 stop33h 34m

London Heathrow

Tue 28/10

11:35-21:33

1 stop15h 58m

£564

KalispellLondon

FCA - LHR

FCALHR

Kalispell Glacier Park

Wed 15/10

14:31-09:40

1 stop12h 09m

London Heathrow

Thu 23/10

15:50-11:35

2 stops26h 45m

£565

KalispellLondon

FCA - LHR

FCALHR

Kalispell Glacier Park

Fri 5/12

12:11-10:00

1 stop14h 49m

London Heathrow

Wed 10/12

20:25-17:25

2 stops28h 00m

£576

Flights are sorted by cheapest return flights first.

Showing 1-10 of 14 resultsSorted by cheapest first
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See travel insights to London from

How to get the cheapest flight ticket from Kalispell to London Heathrow Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Kalispell Glacier Park to London Heathrow?

Delta and United Airlines are the most popular carriers operating from Kalispell Glacier Park to London Heathrow

When to book flights from Kalispell to London Heathrow Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Kalispell to London Heathrow Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Kalispell to London Heathrow Airport (FCA to LHR) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Kalispell to London Heathrow Airport

Direct flights

None
There are no direct flights from Kalispell to London Heathrow Airport. There are no popular flight routes from Kalispell to London Heathrow Airport.
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  • How far is Kalispell Glacier Park to London Heathrow by plane?

    London Heathrow is 4520.2 mi away from Kalispell Glacier Park. By plane, this route typically takes 12h 02m.

  • When did momondo last update prices for flights from Kalispell Glacier Park Airport to London Heathrow Airport?

    Prices for flights from Kalispell Glacier Park Airport to London Heathrow Airport refresh daily.

  • How old do you have to be to fly from Kalispell Glacier Park Airport to London Heathrow Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Kalispell Glacier Park Airport to London Heathrow Airport.

  • What documentation or ID do you need to fly to London Heathrow Airport?

    The required travel and health documents for your London Heathrow Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at London Heathrow Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Eastbourne
Luton
Milton Keynes
Maidstone
Gatwick
Slough
Northampton
Swindon
Canterbury
Stratford-upon-Avon
Southend-on-Sea
Ipswich
Ilford
Guildford
Poole
Swanage
Colchester
Worthing
Chelmsford
Salisbury

Why use momondo?

Why should I use momondo to find a flight deal from Kalispell to London?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Kalispell to London. momondo saves you time and could save you money on your trip.

Can I find flights from Kalispell to London with flexible booking policies on momondo?

Yes. All flights to London from Kalispell on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Kalispell to London?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to London from Kalispell.

I’m not ready to book a flight from Kalispell to London right now. Can momondo alert me if prices change?

If you are simply researching potential flights to London, momondo offers a useful price alert feature which will track prices for flights to London from Kalispell and alert you when they change.

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