What airlines fly to London?

United Airlines, Alaska Airlines and Delta are the top three most popular airlines that fly to London from Montana according to our data. United Airlines is the first choice among our users, with 71% of people opting to fly with this airline when traveling to London. Keep in mind that there are 3 different airlines that fly to London on a routine basis, so you have a few additional options to choose from.

How long does it take to fly to London?

If you’re flying from a popular airport in Montana, such as Missoula or Bozeman, and flying into London, then you can expect flight times to average 12h 03m and 12h 46m, respectively.

What is the cheapest airline that flies from Montana to London?

Delta, United Airlines, and Alaska Airlines are the most popular carriers operating from Montana to London

When did momondo last update prices for flights from Montana to London?

Prices for flights from Montana to London are refreshed on a daily basis.

How many operators does momondo search for flights from Montana to London?

There are 3 operators available for flights from Montana to London as of September 2026.

How old do you have to be to fly from Montana to London?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Montana to London.

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

The travel and health documents required for your trip to London can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at London. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$324 Cheap Flights from Montana to London in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Montana to London

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One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

2:00 pm - 1:05 pmBZN Bozeman Gallatin Field-LHR London Heathrow

16h 05m1 stop Minneapolis St Paul

8:10 pm - 11:57 pmLHR London Heathrow-BZN Bozeman Gallatin Field

33h 47m2 stops New York John F Kennedy Intl Minneapolis St Paul

$744Virgin Atlantic

Thu, Oct 22 - Mon, Oct 26

2:00 pm - 1:05 pmBZN Bozeman Gallatin Field-LHR London Heathrow

16h 05m1 stop Minneapolis St Paul

9:50 am - 11:57 pmLHR London Heathrow-BZN Bozeman Gallatin Field

20h 07m1 stop Minneapolis St Paul

$744Virgin Atlantic

Thu, Oct 22 - Mon, Oct 26

12:57 pm - 10:00 amBIL Billings Logan Intl-LHR London Heathrow

14h 03m1 stop Salt Lake City

8:05 pm - 8:15 pmLHR London Heathrow-BIL Billings Logan Intl

31h 10m2 stops New York John F Kennedy Intl Minneapolis St Paul

$746Delta

Mon, Sep 28 - Tue, Oct 13

6:33 pm - 11:00 amBIL Billings Logan Intl-LHR London Heathrow

33h 27m1 stop Salt Lake City

10:55 am - 10:25 pmLHR London Heathrow-BIL Billings Logan Intl

18h 30m1 stop Salt Lake City

$746Delta

Mon, Sep 28 - Tue, Oct 13

6:23 am - 6:45 amBIL Billings Logan Intl-LHR London Heathrow

17h 22m2 stops Minneapolis St Paul Boston Logan Intl

8:05 pm - 8:15 pmLHR London Heathrow-BIL Billings Logan Intl

31h 10m2 stops New York John F Kennedy Intl Minneapolis St Paul

$746Delta

Mon, Sep 28 - Tue, Oct 13

2:00 pm - 11:40 amBZN Bozeman Gallatin Field-LHR London Heathrow

14h 40m1 stop Atlanta Hartsfield-Jackson

6:30 am - 10:21 pmLHR London Heathrow-BZN Bozeman Gallatin Field

21h 51m2 stops Amsterdam Schiphol Seattle/Tacoma Intl

$747KLM

Mon, Mar 1 - Tue, Mar 16

2:10 pm - 12:20 pmFCA Kalispell Glacier Park-LHR London Heathrow

15h 10m1 stop Seattle/Tacoma Intl

2:45 pm - 11:59 pmLHR London Heathrow-FCA Kalispell Glacier Park

16h 14m1 stop Seattle/Tacoma Intl

$756Alaska Airlines

Tue, Mar 2 - Fri, Mar 5

2:03 pm - 12:20 pmBIL Billings Logan Intl-LHR London Heathrow

15h 17m1 stop Seattle/Tacoma Intl

2:45 pm - 12:08 amLHR London Heathrow-BIL Billings Logan Intl

16h 23m1 stop Seattle/Tacoma Intl

$756Alaska Airlines

Tue, Mar 2 - Fri, Mar 5

5:51 pm - 7:40 amBIL Billings Logan Intl-LHR London Heathrow

30h 49m2 stops Denver Intl Houston George Bush Intcntl

6:35 am - 1:13 pmLHR London Heathrow-BIL Billings Logan Intl

37h 38m2 stops Munich Franz Josef Strauss Denver Intl

$768United Airlines

Tue, Mar 2 - Fri, Mar 5

5:51 pm - 6:40 amBIL Billings Logan Intl-LHR London Heathrow

29h 49m2 stops Denver Intl Washington, D.C. Dulles Intl

6:35 am - 9:51 amLHR London Heathrow-BIL Billings Logan Intl

34h 16m2 stops Munich Franz Josef Strauss Denver Intl

$769United Airlines

Tue, Mar 2 - Fri, Mar 5

Cheap last minute flights

Enter your travel dates to find the best prices.

4:16 pm - 12:50 pmBZN Bozeman Gallatin Field-LHR London Heathrow

13h 34m1 stop Dallas/Fort Worth

8:15 am - 8:43 pmLHR London Heathrow-BZN Bozeman Gallatin Field

19h 28m2 stops Dublin Dallas/Fort Worth

$1,021American Airlines

Sun, Sep 20 - Wed, Sep 30

3:43 pm - 11:20 amBZN Bozeman Gallatin Field-LHR London Heathrow

12h 37m1 stop Seattle/Tacoma Intl

12:25 pm - 11:19 pmLHR London Heathrow-BZN Bozeman Gallatin Field

17h 54m1 stop Minneapolis St Paul

$1,052Virgin Atlantic

Sun, Sep 20 - Wed, Sep 30

1:15 pm - 10:00 amGTF Great Falls-LHR London Heathrow

13h 45m1 stop Salt Lake City

6:30 am - 5:41 pmLHR London Heathrow-GTF Great Falls

18h 11m2 stops Amsterdam Schiphol Salt Lake City

$1,077Delta

Fri, Sep 18 - Fri, Oct 2

6:21 pm - 6:20 amGTF Great Falls-LHR London Heathrow

28h 59m2 stops Salt Lake City New York John F Kennedy Intl

6:30 am - 10:37 pmLHR London Heathrow-GTF Great Falls

23h 07m2 stops Amsterdam Schiphol Salt Lake City

$1,082Delta

Fri, Sep 18 - Fri, Oct 2

11:40 am - 10:40 amBZN Bozeman Gallatin Field-LHR London Heathrow

16h 00m2 stops Newark Washington, D.C. Dulles Intl

6:50 am - 7:12 pmLHR London Heathrow-BZN Bozeman Gallatin Field

19h 22m2 stops Brussels Bruxelles-National Chicago O'Hare Intl

$1,087United Airlines

Sun, Sep 20 - Wed, Sep 30

2:25 pm - 12:25 pmGTF Great Falls-LHR London Heathrow

15h 00m1 stop Denver Intl

11:25 am - 1:41 pmLHR London Heathrow-GTF Great Falls

33h 16m1 stop Denver Intl

$1,372United Airlines

Fri, Sep 18 - Fri, Oct 2

5:18 pm - 7:40 amHLN Helena-LHR London Heathrow

31h 22m2 stops Seattle/Tacoma Intl Chicago O'Hare Intl

4:35 pm - 4:41 pmLHR London Heathrow-HLN Helena

31h 06m2 stops Newark Seattle/Tacoma Intl

$1,451Multiple Airlines

Sat, Sep 19 - Fri, Sep 25

5:18 pm - 3:05 pmHLN Helena-LHR London Heathrow

14h 47m1 stop Seattle/Tacoma Intl

5:00 pm - 4:41 pmLHR London Heathrow-HLN Helena

30h 41m1 stop Seattle/Tacoma Intl

$1,472Alaska Airlines

Sat, Sep 19 - Fri, Sep 25

2:40 pm - 6:45 amMSO Missoula Johnson-Bell Field-LHR London Heathrow

33h 05m2 stops Denver Intl Chicago O'Hare Intl

11:05 am - 9:32 pmLHR London Heathrow-MSO Missoula Johnson-Bell Field

17h 27m2 stops Chicago O'Hare Intl Denver Intl

$2,918United Airlines

Fri, Sep 18 - Tue, Sep 29

6:39 pm - 8:10 pmBZN Bozeman Gallatin Field-LHR London Heathrow

18h 31m2 stops Salt Lake City New York John F Kennedy Intl

6:15 am - 10:37 pmLHR London Heathrow-BZN Bozeman Gallatin Field

23h 22m2 stops Paris Charles de Gaulle Seattle/Tacoma Intl

$3,426Delta

Sun, Sep 20 - Sat, Oct 10

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Delta flights from Montana to London

Our best Delta deals on Montana to London flight tickets

Delta

Sep 28

BIL6:23 amBillings Logan Intl

17h 22m

2 stops

LHR6:45 amLondon Heathrow

Oct 13

LHR8:05 pmLondon Heathrow

31h 10m

2 stops

BIL8:15 pmBillings Logan Intl

$746

Delta

Oct 7

BZN8:25 amBozeman Gallatin Field

19h 55m

1 stop

LHR11:20 amLondon Heathrow

Oct 14

LHR6:15 amLondon Heathrow

18h 36m

2 stops

BZN5:51 pmBozeman Gallatin Field

$749

Delta

Oct 6

BZN1:12 pmBozeman Gallatin Field

14h 48m

1 stop

LHR11:00 amLondon Heathrow

Oct 28

LHR4:35 pmLondon Heathrow

28h 19m

2 stops

BZN2:54 pmBozeman Gallatin Field

$760

Alaska Airlines flights from Montana to London

Our best Alaska Airlines deals on Montana to London flight tickets

Alaska Airlines

Nov 16

BZN7:00 amBozeman Gallatin Field

22h 20m

1 stop

LHR12:20 pmLondon Heathrow

Nov 18

LHR2:45 pmLondon Heathrow

15h 07m

1 stop

BZN10:52 pmBozeman Gallatin Field

$756

Alaska Airlines

Nov 16

MSO4:21 pmMissoula Johnson-Bell Field

12h 59m

1 stop

LHR12:20 pmLondon Heathrow

Nov 19

LHR2:45 pmLondon Heathrow

28h 39m

1 stop

MSO12:24 pmMissoula Johnson-Bell Field

$761

Alaska Airlines

Oct 30

BIL7:32 pmBillings Logan Intl

34h 48m

1 stop

LHR12:20 pmLondon Heathrow

Nov 6

LHR2:45 pmLondon Heathrow

27h 30m

1 stop

BIL11:15 amBillings Logan Intl

$774

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BozemanLondon

BZN Bozeman Gallatin Field - LHR London Heathrow

BZNLHR

Bozeman Gallatin Field

Thu 10/22

2:00 pm-1:05 pm

1 stop16h 05m

London Heathrow

Mon 10/26

8:10 pm-11:57 pm

2 stops33h 47m

$744

BozemanLondon

BZN Bozeman Gallatin Field - LHR London Heathrow

BZNLHR

Bozeman Gallatin Field

Thu 10/22

2:00 pm-1:05 pm

1 stop16h 05m

London Heathrow

Mon 10/26

9:50 am-11:57 pm

1 stop20h 07m

$744

BillingsLondon

BIL Billings Logan Intl - LHR London Heathrow

BILLHR

Billings Logan Intl

Mon 9/28

12:57 pm-10:00 am

1 stop14h 03m

London Heathrow

Tue 10/13

8:05 pm-8:15 pm

2 stops31h 10m

$746

BillingsLondon

BIL Billings Logan Intl - LHR London Heathrow

BILLHR

Billings Logan Intl

Mon 9/28

6:33 pm-11:00 am

1 stop33h 27m

London Heathrow

Tue 10/13

10:55 am-10:25 pm

1 stop18h 30m

$746

BillingsLondon

BIL Billings Logan Intl - LHR London Heathrow

BILLHR

Billings Logan Intl

Mon 9/28

6:23 am-6:45 am

2 stops17h 22m

London Heathrow

Tue 10/13

8:05 pm-8:15 pm

2 stops31h 10m

$746

BozemanLondon

BZN Bozeman Gallatin Field - LHR London Heathrow

BZNLHR

Bozeman Gallatin Field

Mon 3/1

2:00 pm-11:40 am

1 stop14h 40m

London Heathrow

Tue 3/16

6:30 am-10:21 pm

2 stops21h 51m

$747

Quickest round-trip

KalispellLondon

FCA Kalispell Glacier Park - LHR London Heathrow

FCALHR

Kalispell Glacier Park

Tue 3/2

2:10 pm-12:20 pm

1 stop15h 10m

London Heathrow

Fri 3/5

2:45 pm-11:59 pm

1 stop16h 14m

$756

BillingsLondon

BIL Billings Logan Intl - LHR London Heathrow

BILLHR

Billings Logan Intl

Tue 3/2

2:03 pm-12:20 pm

1 stop15h 17m

London Heathrow

Fri 3/5

2:45 pm-12:08 am

1 stop16h 23m

$756

BillingsLondon

BIL Billings Logan Intl - LHR London Heathrow

BILLHR

Billings Logan Intl

Tue 3/2

5:51 pm-7:40 am

2 stops30h 49m

London Heathrow

Fri 3/5

6:35 am-1:13 pm

2 stops37h 38m

$768

BillingsLondon

BIL Billings Logan Intl - LHR London Heathrow

BILLHR

Billings Logan Intl

Tue 3/2

5:51 pm-6:40 am

2 stops29h 49m

London Heathrow

Fri 3/5

6:35 am-9:51 am

2 stops34h 16m

$769

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 Montana 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

Other information

What is the cheapest month to fly to London?

The cheapest month to fly to London from Montana is in January. Flight prices, which tend to average around $853, are often lower during this time because this is during the off-season. The month of October is another great option to travel to London, with average flight prices from Montana averaging around $902.

Can stopping save me money on Montana to London flights?

You could potentially save up to 1% on your flight if you consider stops on a Montana to London flight.

Cheap Montana to London flight deals and tips

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

Best Price Found	$324
Fastest flight time	12h 03m
Direct flights	None

The best one-way flight to London from Montana in the past 72 hours is $324. The best round-trip flight deal from Montana to London found on momondo in the last 72 hours is $744.

The fastest flight from Montana to London takes 12h 03m

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

Search flight deals

Frequently asked questions about flying from Montana to London

When did momondo last update prices for flights from Montana to London?
Prices for flights from Montana to London are refreshed on a daily basis.
How many operators does momondo search for flights from Montana to London?
There are 3 operators available for flights from Montana to London as of September 2026.
How old do you have to be to fly from Montana to London?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Montana to London.
What documentation or ID do you need to fly to London?
The travel and health documents required for your trip to London can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at London. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Montana to London

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

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $556	Free Cancellation	Rating 7.4 10,214 reviews	Search United Airlines flights
Delta	PriceFrom $604	Free Cancellation	Rating 7.8 8,579 reviews	Search Delta flights
Alaska Airlines	PriceFrom $897	Free Cancellation	Rating 7.9 12,937 reviews	Search Alaska Airlines flights

Hounslow

Gatwick

Milton Keynes

Hayes

Luton

Wembley

Dover

Croydon

Richmond

Kingston upon Thames

Stansted

Harrow

Cobham

Watford

Worthing

Slough

Eastbourne

Hook

Uxbridge

Ilford

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Montana to London. Millions of users trust and use momondo every year so you are in good hands.

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

momondo does allow users to show only those flights to London from Montana which offer a flexible booking policy as well as other useful filters and features.

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

momondo provides multiple filters to help you find the best flight to London from Montana. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

If you are not ready to book a flight from Montana to London now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to London and let you know when they change.

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Cheap flights from Montana to London from $324

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Montana to London departing on 2/14. 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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Delta flights from Montana to London

Our best Delta deals on Montana to London flight tickets

Alaska Airlines flights from Montana to London

Our best Alaska Airlines deals on Montana to London flight tickets

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How to get the cheapest flight ticket from Montana to London

What is the cheapest month to fly to London?

Can stopping save me money on Montana to London flights?

What is the cheapest airline that flies from Montana to London?

What airlines fly to London?

How long does it take to fly to London?

Cheap Montana to London flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Montana to London

Best airlines flying from Montana to London

Compare and see reviews for airlines that fly from Montana 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.

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

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