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Cheap flights from Kalispell to London from £393

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 24/8. 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 (FCA-LHR)

Cheap return flights

Delta Logo
05:25 - 08:45FCA-LHR
20h 20m2 stops
Delta Logo
06:20 - 17:45LHR-FCA
18h 25m2 stops
£474Delta
Find Deal
Thu, 13 Nov - Wed, 19 Nov
Delta Logo
05:20 - 09:50FCA-LHR
21h 30m1 stop
Delta Logo
16:05 - 13:52LHR-FCA
28h 47m2 stops
£479Delta
Find Deal
Fri, 19 Sep - Tue, 30 Sep
United Airlines Logo
16:09 - 14:10FCA-LHR
15h 01m1 stop
United Airlines Logo
11:25 - 21:31LHR-FCA
17h 06m1 stop
£484United Airlines
Find Deal
Wed, 24 Sep - Wed, 1 Oct
United Airlines Logo
10:47 - 11:45FCA-LHR
17h 58m2 stops
United Airlines Logo
09:30 - 21:31LHR-FCA
19h 01m2 stops
£487United Airlines
Find Deal
Wed, 24 Sep - Wed, 1 Oct
United Airlines Logo
14:31 - 12:20FCA-LHR
14h 49m1 stop
United Airlines Logo
12:05 - 16:08LHR-FCA
35h 03m2 stops
£508United Airlines
Find Deal
Thu, 25 Sep - Thu, 2 Oct
United Airlines Logo
06:30 - 11:45FCA-LHR
22h 15m2 stops
United Airlines Logo
15:50 - 11:35LHR-FCA
26h 45m2 stops
£512United Airlines
Find Deal
Fri, 19 Sep - Tue, 30 Sep
United Airlines Logo
06:30 - 11:45FCA-LHR
22h 15m2 stops
United Airlines Logo
15:50 - 11:35LHR-FCA
26h 45m2 stops
£513United Airlines
Find Deal
Fri, 19 Sep - Tue, 30 Sep
United Airlines Logo
12:41 - 11:45FCA-LHR
16h 04m1 stop
United Airlines Logo
14:50 - 21:31LHR-FCA
13h 41m1 stop
£521United Airlines
Find Deal
Fri, 19 Sep - Tue, 30 Sep
Delta Logo
05:20 - 11:25FCA-LHR
23h 05m2 stops
Delta Logo
12:25 - 00:22LHR-FCA
18h 57m2 stops
£576Delta
Find Deal
Thu, 25 Sep - Thu, 2 Oct
British Airways Logo
16:22 - 13:40FCA-LHR
14h 18m1 stop
British Airways Logo
09:50 - 23:58LHR-FCA
21h 08m1 stop
£1,931British Airways
Find Deal
Wed, 1 Oct - Mon, 6 Oct

United Airlines flights from Kalispell to London Heathrow Airport

Our best United Airlines deals on Kalispell to London Heathrow Airport flight tickets
United Airlines
24 Sept
FCA16:09Kalispell Glacier Park
15h 01m
1 stop
LHR14:10London Heathrow
1 Oct
LHR11:25London Heathrow
17h 06m
1 stop
FCA21:31Kalispell Glacier Park
£484
Find similar
United Airlines
24 Sept
FCA10:47Kalispell Glacier Park
17h 58m
2 stops
LHR11:45London Heathrow
1 Oct
LHR09:30London Heathrow
19h 01m
2 stops
FCA21:31Kalispell Glacier Park
£487
Find similar
United Airlines
25 Sept
FCA14:31Kalispell Glacier Park
14h 49m
1 stop
LHR12:20London Heathrow
2 Oct
LHR12:05London Heathrow
35h 03m
2 stops
FCA16:08Kalispell Glacier Park
£508
Find similar

Delta flights from Kalispell to London Heathrow Airport

Our best Delta deals on Kalispell to London Heathrow Airport flight tickets
Delta
13 Nov
FCA05:25Kalispell Glacier Park
20h 20m
2 stops
LHR08:45London Heathrow
19 Nov
LHR06:20London Heathrow
18h 25m
2 stops
FCA17:45Kalispell Glacier Park
£474
Find similar
Delta
19 Sept
FCA05:20Kalispell Glacier Park
21h 30m
1 stop
LHR09:50London Heathrow
30 Sept
LHR16:05London Heathrow
28h 47m
2 stops
FCA13:52Kalispell Glacier Park
£479
Find similar
Delta
25 Sept
FCA05:20Kalispell Glacier Park
23h 05m
2 stops
LHR11:25London Heathrow
2 Oct
LHR12:25London Heathrow
18h 57m
2 stops
FCA00:22Kalispell Glacier Park
£576
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 12 August 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

Thu 13/11

05:25-08:45

2 stops20h 20m

London Heathrow

Wed 19/11

06:20-17:45

2 stops18h 25m

£474

KalispellLondon

FCA - LHR

FCALHR

Kalispell Glacier Park

Fri 19/9

05:20-09:50

1 stop21h 30m

London Heathrow

Tue 30/9

16:05-13:52

2 stops28h 47m

£479

KalispellLondon

FCA - LHR

FCALHR

Kalispell Glacier Park

Wed 24/9

16:09-14:10

1 stop15h 01m

London Heathrow

Wed 1/10

11:25-21:31

1 stop17h 06m

£484

KalispellLondon

FCA - LHR

FCALHR

Kalispell Glacier Park

Wed 24/9

10:47-11:45

2 stops17h 58m

London Heathrow

Wed 1/10

09:30-21:31

2 stops19h 01m

£487

KalispellLondon

FCA - LHR

FCALHR

Kalispell Glacier Park

Thu 25/9

14:31-12:20

1 stop14h 49m

London Heathrow

Thu 2/10

12:05-16:08

2 stops35h 03m

£508

KalispellLondon

FCA - LHR

FCALHR

Kalispell Glacier Park

Fri 19/9

06:30-11:45

2 stops22h 15m

London Heathrow

Tue 30/9

15:50-11:35

2 stops26h 45m

£512

KalispellLondon

FCA - LHR

FCALHR

Kalispell Glacier Park

Fri 19/9

06:30-11:45

2 stops22h 15m

London Heathrow

Tue 30/9

15:50-11:35

2 stops26h 45m

£513

KalispellLondon

FCA - LHR

FCALHR

Kalispell Glacier Park

Fri 19/9

12:41-11:45

1 stop16h 04m

London Heathrow

Tue 30/9

14:50-21:31

1 stop13h 41m

£521

KalispellLondon

FCA - LHR

FCALHR

Kalispell Glacier Park

Thu 25/9

05:20-11:25

2 stops23h 05m

London Heathrow

Thu 2/10

12:25-00:22

2 stops18h 57m

£576

KalispellLondon

FCA - LHR

FCALHR

Kalispell Glacier Park

Wed 1/10

16:22-13:40

1 stop14h 18m

London Heathrow

Mon 6/10

09:50-23:58

1 stop21h 08m

£1,931

Flights are sorted by cheapest return flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
1
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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 is the most popular carrier 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

Best price found

£393

Fastest flight time

14h 18m

Direct flights

None
The best one-way flight to London Heathrow Airport from Kalispell in the past 72 hours is £393. The best return flight deal from Kalispell to London Heathrow Airport found on momondo in the last 72 hours is £474.
The fastest flight from Kalispell to London Heathrow Airport takes 14h 18m
There are no direct flights from Kalispell to London Heathrow Airport. Popular non-direct route for this connection is Kalispell Glacier Park Airport - London Heathrow Airport.
Search flight deals

  • 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 14h 18m.

  • 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?

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Swindon
Canterbury
Gatwick
Stratford-upon-Avon
Ipswich
Ilford
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Colchester
Dartford
Swanage
Hounslow
Worthing
Dover

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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