Which layover airport offers the lowest fares from Kalispell to London?

Flights via Salt Lake City (SLC) offer the lowest average round-trip price of $800.

Which layover airport has the shortest connection time from Kalispell to London?

Salt Lake City (SLC) has the shortest average layover time for this route: 2h 56m.

Which airport is the most popular layover for flights between Kalispell and London?

Salt Lake City (SLC) was the most common stop: 50% of momondo users choosing 1-stop flights on this route connected there.

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

Brussels Airlines, British Airways, and Icelandair are the most popular carriers operating from Kalispell Glacier Park to London

Which layover airport has the shortest travel time from Kalispell to London?

Flights connecting via Seattle (SEA) have the shortest average one-way travel time: 13h 15m.

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

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

How many operators does momondo search for flights from Kalispell Glacier Park Airport to London?

As of April 2026, there is 1 operator available to choose from for flights from Kalispell Glacier Park Airport to London.

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

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Kalispell Glacier Park Airport to London.

What documentation or ID do you need to fly to London?

The required travel and health documents for your London 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. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$432 Cheap Flights from Kalispell to London in 2026

Q: What is the typical price of a round-trip flight between Kalispell and London?

Prices are currently low for flights on this route. Typical prices usually range from $1,510 to $1,195. The lowest price recently found on this route was $908.

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Find the cheapest flights from Kalispell to London

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

3:29 pm - 2:25 pm

FCA

LHR

15h 56m

1 stop

4:25 pm - 11:37 am

LHR

FCA

26h 12m

1 stop

$908American Airlines

Wed, Aug 19 - Wed, Aug 26

3:29 pm - 12:10 pm

FCA

LHR

13h 41m

1 stop

2:45 pm - 12:34 pm

LHR

FCA

28h 49m

1 stop

$910American Airlines

Wed, Aug 19 - Wed, Aug 26

3:29 pm - 2:25 pm

FCA

LHR

15h 56m

1 stop

10:45 am - 10:56 pm

LHR

FCA

19h 11m

2 stops

$941Multiple Airlines

Wed, Aug 19 - Wed, Aug 26

2:33 pm - 9:40 am

FCA

LHR

12h 07m

1 stop

2:50 pm - 9:57 pm

LHR

FCA

14h 07m

1 stop

$963United Airlines

Mon, May 4 - Wed, May 13

2:33 pm - 9:40 am

FCA

LHR

12h 07m

1 stop

2:50 pm - 9:57 pm

LHR

FCA

14h 07m

1 stop

$964United Airlines

Mon, May 4 - Wed, May 13

2:33 pm - 9:40 am

FCA

LHR

12h 07m

1 stop

11:25 am - 9:57 pm

LHR

FCA

17h 32m

1 stop

$965United Airlines

Mon, May 4 - Wed, May 13

6:00 am - 8:20 am

FCA

LHR

19h 20m

2 stops

11:25 am - 9:57 pm

LHR

FCA

17h 32m

1 stop

$967United Airlines

Mon, May 4 - Wed, May 13

2:33 pm - 9:25 pm

FCA

LHR

23h 52m

2 stops

11:25 am - 9:57 pm

LHR

FCA

17h 32m

1 stop

$969United Airlines

Mon, May 4 - Wed, May 13

2:33 pm - 9:40 am

FCA

LHR

12h 07m

1 stop

6:55 am - 9:57 pm

LHR

FCA

22h 02m

2 stops

$986United Airlines

Mon, Apr 27 - Mon, May 4

6:00 am - 10:00 am

FCA

LHR

21h 00m

2 stops

7:25 am - 9:57 pm

LHR

FCA

21h 32m

2 stops

$989United Airlines

Mon, Apr 27 - Mon, May 4

Delta flights from Kalispell to London

Our best Delta deals on Kalispell to London flight tickets

Delta

Aug 19

FCA5:25 amKalispell Glacier Park

17h 55m

2 stops

LHR6:20 amLondon Heathrow

Aug 26

LHR6:30 amLondon Heathrow

24h 16m

2 stops

FCA11:46 pmKalispell Glacier Park

$1,002

Delta

Aug 19

FCA5:25 amKalispell Glacier Park

17h 55m

2 stops

LHR6:20 amLondon Heathrow

Aug 26

LHR6:30 amLondon Heathrow

23h 32m

2 stops

FCA11:02 pmKalispell Glacier Park

$1,007

Delta

Aug 19

FCA5:25 amKalispell Glacier Park

17h 55m

2 stops

LHR6:20 amLondon Heathrow

Aug 26

LHR6:30 amLondon Heathrow

23h 32m

2 stops

FCA11:02 pmKalispell Glacier Park

$1,008

KLM flights from Kalispell to London

Our best KLM deals on Kalispell to London flight tickets

KLM

May 20

FCA1:20 pmKalispell Glacier Park

13h 40m

1 stop

LHR10:00 amLondon Heathrow

May 26

LHR10:55 amLondon Heathrow

19h 19m

1 stop

FCA11:14 pmKalispell Glacier Park

$1,242

KLM

Jun 4

FCA1:20 pmKalispell Glacier Park

16h 45m

2 stops

LHR1:05 pmLondon Heathrow

Jun 11

LHR9:55 amLondon Heathrow

20h 43m

2 stops

FCA11:38 pmKalispell Glacier Park

$1,333

KLM

Jun 4

FCA12:20 pmKalispell Glacier Park

17h 45m

2 stops

LHR1:05 pmLondon Heathrow

Jun 11

LHR9:55 amLondon Heathrow

20h 43m

2 stops

FCA11:38 pmKalispell Glacier Park

$1,338

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

KalispellLondon

FCA - LHR

FCALHR

Kalispell Glacier Park

Wed 8/19

3:29 pm-2:25 pm

1 stop15h 56m

London Heathrow

Wed 8/26

4:25 pm-11:37 am

1 stop26h 12m

$908

KalispellLondon

FCA - LHR

FCALHR

Kalispell Glacier Park

Wed 8/19

3:29 pm-12:10 pm

1 stop13h 41m

London Heathrow

Wed 8/26

2:45 pm-12:34 pm

1 stop28h 49m

$910

KalispellLondon

FCA - LHR

FCALHR

Kalispell Glacier Park

Wed 8/19

3:29 pm-2:25 pm

1 stop15h 56m

London Heathrow

Wed 8/26

10:45 am-10:56 pm

2 stops19h 11m

$941

Quickest round-trip

KalispellLondon

FCA - LHR

FCALHR

Kalispell Glacier Park

Mon 5/4

2:33 pm-9:40 am

1 stop12h 07m

London Heathrow

Wed 5/13

2:50 pm-9:57 pm

1 stop14h 07m

$963

KalispellLondon

FCA - LHR

FCALHR

Kalispell Glacier Park

Mon 5/4

2:33 pm-9:40 am

1 stop12h 07m

London Heathrow

Wed 5/13

2:50 pm-9:57 pm

1 stop14h 07m

$964

KalispellLondon

FCA - LHR

FCALHR

Kalispell Glacier Park

Mon 5/4

2:33 pm-9:40 am

1 stop12h 07m

London Heathrow

Wed 5/13

11:25 am-9:57 pm

1 stop17h 32m

$965

KalispellLondon

FCA - LHR

FCALHR

Kalispell Glacier Park

Mon 5/4

6:00 am-8:20 am

2 stops19h 20m

London Heathrow

Wed 5/13

11:25 am-9:57 pm

1 stop17h 32m

$967

KalispellLondon

FCA - LHR

FCALHR

Kalispell Glacier Park

Mon 5/4

2:33 pm-9:25 pm

2 stops23h 52m

London Heathrow

Wed 5/13

11:25 am-9:57 pm

1 stop17h 32m

$969

KalispellLondon

FCA - LHR

FCALHR

Kalispell Glacier Park

Mon 4/27

2:33 pm-9:40 am

1 stop12h 07m

London Heathrow

Mon 5/4

6:55 am-9:57 pm

2 stops22h 02m

$986

KalispellLondon

FCA - LHR

FCALHR

Kalispell Glacier Park

Mon 4/27

6:00 am-10:00 am

2 stops21h 00m

London Heathrow

Mon 5/4

7:25 am-9:57 pm

2 stops21h 32m

$989

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Kalispell to London

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

Prices

Airlines

Layovers

What is the typical price of a round-trip flight between Kalispell and London?

Can stopping save me money on Kalispell to London flights?

You could potentially save up to 23% on your flight if you consider stops on a Kalispell to London flight.

When to book flights from Kalispell to London

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

Estimated round-trip price

Cheap Kalispell to London (FCA to LON) flight deals and tips

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

Fastest flight time	12h 07m
Direct flights	None

The fastest flight from Kalispell to London takes 12h 07m

There are no direct flights from Kalispell to London. There are no popular flight routes from Kalispell to London.

Search flight deals

How far is Kalispell Glacier Park to London by plane?
There are 4528.3 mi between Kalispell Glacier Park and London. In terms of flight time, this usually takes a little over 12h 07m.
When did momondo last update prices for flights from Kalispell Glacier Park Airport to London?
Prices for flights from Kalispell Glacier Park Airport to London refresh daily.
How many operators does momondo search for flights from Kalispell Glacier Park Airport to London?
As of April 2026, there is 1 operator available to choose from for flights from Kalispell Glacier Park Airport to London.
How old do you have to be to fly from Kalispell Glacier Park Airport to London?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Kalispell Glacier Park Airport to London.
What documentation or ID do you need to fly to London?
The required travel and health documents for your London 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. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from Kalispell to London?
Based on momondo bookings for flights between Kalispell and London, the leading airline is United Airlines, making up 100% of the total bookings.

Best airlines flying from Kalispell to London

Compare and see reviews for airlines that fly from Kalispell to London with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $733	Free Cancellation	Rating 7.4 9,529 reviews		Search United Airlines flights

Gatwick

Hounslow

Milton Keynes

Luton

Dover

Slough

Crawley

Hayes

Wembley

Stansted

Croydon

Dartford

Brentwood

Guildford

Cobham

Folkestone

Romford

Harrow

Watford

Richmond

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. momondo enables you to select and highlight flights to London from Kalispell with this policy.

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

Once all potential Kalispell to London flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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.

An easier way to manage your London trip

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Fly into one of these airports located in London

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London Heathrow Airport

London Luton Airport

London Southend Airport

London Stansted Airport

Cheap flights from Kalispell to London from $432

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 5/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Filter for what you want

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Delta flights from Kalispell to London

Our best Delta deals on Kalispell to London flight tickets

KLM flights from Kalispell to London

Our best KLM deals on Kalispell to London flight tickets

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See travel insights to London from

How to get the cheapest flight ticket from Kalispell to London

What is the typical price of a round-trip flight between Kalispell and London?

Can stopping save me money on Kalispell to London flights?

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

Which airport is the most popular layover for flights between Kalispell and London?

Which layover airport offers the lowest fares from Kalispell to London?

Which layover airport has the shortest travel time from Kalispell to London?

Which layover airport has the shortest connection time from Kalispell to London?

When to book flights from Kalispell to London

Cheap Kalispell to London (FCA to LON) flight deals and tips

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

Fastest flight time

Direct flights

Best airlines flying from Kalispell to London

Compare and see reviews for airlines that fly from Kalispell to London with momondo

Traveling to a place near London?

Why use momondo?

An easier way to manage your London trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United Kingdom

Fly into one of these airports located in London

Airports listed have a maximum distance of 35.6 mi from London

Fly your favorite airline to London

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to London

List of cabin classes available on flights landing in London. Availability may vary depending on flight origin and airline.

Popular cities in the United Kingdom

Popular flights according to clicks in the last 7 days on momondo

Fly to other destinations from Kalispell

According to popular flight searches on momondo this year

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