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Cheap flights from Great Falls to London from $780

1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Great Falls to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
6:27 pm - 7:05 amGTF  Great Falls-LHR London Heathrow
29h 38m2 stops Salt Lake City Minneapolis St Paul
Delta Logo
9:50 am - 10:46 pmLHR  London Heathrow-GTF Great Falls
19h 56m2 stops Minneapolis St Paul Salt Lake City
$780Delta
Sat, Nov 7 - Tue, Nov 17
Delta Logo
5:40 am - 7:05 amGTF  Great Falls-LHR London Heathrow
18h 25m2 stops Salt Lake City Minneapolis St Paul
Delta Logo
9:50 am - 10:46 pmLHR  London Heathrow-GTF Great Falls
19h 56m2 stops Minneapolis St Paul Salt Lake City
$780Delta
Tue, Nov 3 - Thu, Nov 12
Delta Logo
6:27 pm - 7:45 amGTF  Great Falls-LHR London Heathrow
30h 18m2 stops Salt Lake City Detroit Metropolitan Wayne County
Delta Logo
11:20 am - 10:46 pmLHR  London Heathrow-GTF Great Falls
18h 26m2 stops Detroit Metropolitan Wayne County Salt Lake City
$780Delta
Sun, Nov 8 - Tue, Nov 17
Delta Logo
6:27 pm - 7:45 amGTF  Great Falls-LHR London Heathrow
30h 18m2 stops Salt Lake City Detroit Metropolitan Wayne County
Delta Logo
11:20 am - 10:46 pmLHR  London Heathrow-GTF Great Falls
18h 26m2 stops Detroit Metropolitan Wayne County Salt Lake City
$780Delta
Sun, Nov 8 - Wed, Nov 18
Delta Logo
5:40 am - 7:05 amGTF  Great Falls-LHR London Heathrow
18h 25m2 stops Salt Lake City Minneapolis St Paul
Delta Logo
9:50 am - 10:46 pmLHR  London Heathrow-GTF Great Falls
19h 56m2 stops Minneapolis St Paul Salt Lake City
$780Delta
Tue, Nov 3 - Fri, Nov 13
Delta Logo
5:40 am - 7:05 amGTF  Great Falls-LHR London Heathrow
18h 25m2 stops Salt Lake City Minneapolis St Paul
Delta Logo
9:50 am - 10:46 pmLHR  London Heathrow-GTF Great Falls
19h 56m2 stops Minneapolis St Paul Salt Lake City
$780Delta
Tue, Nov 3 - Tue, Nov 17
Delta Logo
6:27 pm - 7:45 amGTF  Great Falls-LHR London Heathrow
30h 18m2 stops Salt Lake City Detroit Metropolitan Wayne County
Delta Logo
11:20 am - 10:46 pmLHR  London Heathrow-GTF Great Falls
18h 26m2 stops Detroit Metropolitan Wayne County Salt Lake City
$780Delta
Sat, Nov 7 - Wed, Nov 18
Delta Logo
1:18 pm - 6:25 amGTF  Great Falls-LHR London Heathrow
34h 07m2 stops Salt Lake City Atlanta Hartsfield-Jackson
Delta Logo
4:00 pm - 12:41 pmLHR  London Heathrow-GTF Great Falls
27h 41m2 stops Atlanta Hartsfield-Jackson Salt Lake City
$785Delta
Tue, Nov 3 - Wed, Nov 18
Multiple Airlines Logo
1:18 pm - 10:00 amGTF  Great Falls-LHR London Heathrow
14h 42m1 stop Salt Lake City
Multiple Airlines Logo
5:00 pm - 5:47 pmLHR  London Heathrow-GTF Great Falls
31h 47m2 stops Los Angeles Salt Lake City
$794Multiple Airlines
Fri, Oct 30 - Fri, Nov 6
Alaska Airlines Logo
5:15 pm - 12:20 pmGTF  Great Falls-LHR London Heathrow
13h 05m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
2:45 pm - 4:30 pmLHR  London Heathrow-GTF Great Falls
32h 45m1 stop Seattle/Tacoma Intl
$795Alaska Airlines
Fri, Oct 30 - Fri, Nov 6

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United Airlines flights from Great Falls to London

Our best United Airlines deals on Great Falls to London flight tickets
United Airlines
Oct 31
GTF6:30 amGreat Falls
18h 10m
2 stops
LHR6:40 amLondon Heathrow
Nov 7
LHR6:35 amLondon Heathrow
38h 14m
2 stops
GTF1:49 pmGreat Falls
$871
United Airlines
Nov 2
GTF2:45 pmGreat Falls
11h 55m
1 stop
LHR9:40 amLondon Heathrow
Nov 9
LHR4:40 pmLondon Heathrow
52h 09m
2 stops
GTF1:49 pmGreat Falls
$876
United Airlines
Oct 15
GTF2:37 pmGreat Falls
12h 03m
1 stop
LHR9:40 amLondon Heathrow
Oct 22
LHR7:30 amLondon Heathrow
20h 52m
2 stops
GTF9:22 pmGreat Falls
$878

Alaska Airlines flights from Great Falls to London

Our best Alaska Airlines deals on Great Falls to London flight tickets
Alaska Airlines
Oct 30
GTF5:15 pmGreat Falls
13h 05m
1 stop
LHR12:20 pmLondon Heathrow
Nov 6
LHR2:45 pmLondon Heathrow
32h 45m
1 stop
GTF4:30 pmGreat Falls
$795
Alaska Airlines
Oct 29
GTF5:15 pmGreat Falls
13h 05m
1 stop
LHR12:20 pmLondon Heathrow
Nov 5
LHR2:45 pmLondon Heathrow
32h 45m
1 stop
GTF4:30 pmGreat Falls
$808
Alaska Airlines
Oct 30
GTF5:15 pmGreat Falls
13h 05m
1 stop
LHR12:20 pmLondon Heathrow
Oct 31
LHR2:45 pmLondon Heathrow
32h 45m
1 stop
GTF5:30 pmGreat Falls
$1,248

momondo Fare Finder

 
Use the filters below to find and compare flights from Great Falls to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Great FallsLondon

GTF Great Falls - LHR London Heathrow

GTFLHR

Great Falls

Sat 11/7

6:27 pm-7:05 am

2 stops29h 38m

London Heathrow

Tue 11/17

9:50 am-10:46 pm

2 stops19h 56m

$780
Quickest round-trip

Great FallsLondon

GTF Great Falls - LHR London Heathrow

GTFLHR

Great Falls

Tue 11/3

5:40 am-7:05 am

2 stops18h 25m

London Heathrow

Thu 11/12

9:50 am-10:46 pm

2 stops19h 56m

$780

Great FallsLondon

GTF Great Falls - LHR London Heathrow

GTFLHR

Great Falls

Sun 11/8

6:27 pm-7:45 am

2 stops30h 18m

London Heathrow

Tue 11/17

11:20 am-10:46 pm

2 stops18h 26m

$780

Great FallsLondon

GTF Great Falls - LHR London Heathrow

GTFLHR

Great Falls

Sun 11/8

6:27 pm-7:45 am

2 stops30h 18m

London Heathrow

Wed 11/18

11:20 am-10:46 pm

2 stops18h 26m

$780

Great FallsLondon

GTF Great Falls - LHR London Heathrow

GTFLHR

Great Falls

Tue 11/3

5:40 am-7:05 am

2 stops18h 25m

London Heathrow

Fri 11/13

9:50 am-10:46 pm

2 stops19h 56m

$780

Great FallsLondon

GTF Great Falls - LHR London Heathrow

GTFLHR

Great Falls

Tue 11/3

5:40 am-7:05 am

2 stops18h 25m

London Heathrow

Tue 11/17

9:50 am-10:46 pm

2 stops19h 56m

$780

Great FallsLondon

GTF Great Falls - LHR London Heathrow

GTFLHR

Great Falls

Sat 11/7

6:27 pm-7:45 am

2 stops30h 18m

London Heathrow

Wed 11/18

11:20 am-10:46 pm

2 stops18h 26m

$780

Great FallsLondon

GTF Great Falls - LHR London Heathrow

GTFLHR

Great Falls

Tue 11/3

1:18 pm-6:25 am

2 stops34h 07m

London Heathrow

Wed 11/18

4:00 pm-12:41 pm

2 stops27h 41m

$785

Great FallsLondon

GTF Great Falls - LHR London Heathrow

GTFLHR

Great Falls

Fri 10/30

1:18 pm-10:00 am

1 stop14h 42m

London Heathrow

Fri 11/6

5:00 pm-5:47 pm

2 stops31h 47m

$794

Great FallsLondon

GTF Great Falls - LHR London Heathrow

GTFLHR

Great Falls

Fri 10/30

5:15 pm-12:20 pm

1 stop13h 05m

London Heathrow

Fri 11/6

2:45 pm-4:30 pm

1 stop32h 45m

$795

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from Great Falls to London

Are you open to changing your travel dates? Check out the ideal times to fly from Great Falls to London according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Great Falls to London (GTF to LON) flight deals and tips

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

Best Price Found

$780

Fastest flight time

12h 55m

Direct flights

None
The best flight deal from Great Falls to London found on momondo in the last 72 hours is $780
The fastest flight from Great Falls to London takes 12h 55m
There are no direct flights from Great Falls to London. There are no popular flight routes from Great Falls to London.
Search flight deals

Frequently asked questions about flying from Great Falls to London

  • How far is Great Falls to London by plane?

    The distance between Great Falls and London is about 4477.2 mi. 12h 55m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Great Falls Airport to London?

    Prices for flights from Great Falls Airport to London are updated daily.

  • How old do you have to be to fly from Great Falls Airport to London?

    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 Great Falls Airport to London.

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

    The travel and health documents you'll need for your trip to London may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at London. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Frequently asked questions about flying from Great Falls to London

  • How do I get Price Alerts for flights from Great Falls to London?

    Price Alerts will notify you by email when the price for flights to London from Great Falls decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.

  • How can I save money on flights from Great Falls to London with momondo?

    By using tools like our “Price Calendar”, you can see the best day to fly round-trip for your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

  • How does momondo find its flight prices?

    We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
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 Great Falls to London?

Finding the right flight to London from Great Falls is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to London quick and easy, saving you time and money.

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

Yes. momondo enables you to select and highlight flights to London from Great Falls with this policy.

How can momondo help me find flights from Great Falls to London?

Once you have performed a search for Great Falls to London flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes momondo offers price alerts on flights to London from Great Falls. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your London trip

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Find better results for your trip to the United Kingdom

Fly into one of these airports located in London

London City Airport
London Gatwick Airport
London Heathrow Airport
London Luton Airport
London Southend Airport
London Stansted Airport