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Cheap flight deals from Great Falls to London Starting at €461

For as little as €461, you can take your next adventure to London without breaking the bank. Choose between one-way and return tickets from Great Falls below.

  • One way
  • Round-trip
      • GTF05:56
        19h 9m
        1 stop
        LHR07:05
        Sun, Mar 9|Great Falls - London|Virgin Atlantic
        €461€709
        35% OFF
        35% OFF
        €709€461

        Choose Virgin Atlantic flights from Great Falls to London. The one-way connecting flight with Virgin Atlantic departs from Great Falls International Airport on Sun, Mar 9, arriving at Heathrow Airport. One-way Prices start from €461 including taxes and charges.

      • GTF06:40
        21h
        1 stop
        LHR09:40
        Sun, Mar 9|Great Falls - London|United Airlines
        €462€709
        35% OFF
        35% OFF
        €709€462

        Choose United Airlines flights from Great Falls to London. The one-way connecting flight with United Airlines departs from Great Falls International Airport on Sun, Mar 9, arriving at Heathrow Airport. One-way Prices start from €462 including taxes and charges.

      • GTF06:30
        20h 10m
        1 stop
        LHR09:40
        Tue, Feb 25|Great Falls - London|United Airlines
        €464€709
        35% OFF
        35% OFF
        €709€464

        Choose United Airlines flights from Great Falls to London. The one-way connecting flight with United Airlines departs from Great Falls International Airport on Tue, Feb 25, arriving at Heathrow Airport. One-way Prices start from €464 including taxes and charges.

      • GTF05:56
        19h 9m
        1 stop
        LHR07:05
        Sun, Mar 9|Great Falls - London|Delta Air Lines
        €468
        €468

        Choose Delta Air Lines flights from Great Falls to London. The one-way connecting flight with Delta Air Lines departs from Great Falls International Airport on Sun, Mar 9, arriving at Heathrow Airport. One-way Prices start from €468 including taxes and charges.

      • GTF14:20
        15h
        1 stop
        LHR12:20
        Tue, Apr 1|Great Falls - London|United Airlines
        €471
        €471

        Choose United Airlines flights from Great Falls to London. The one-way connecting flight with United Airlines departs from Great Falls International Airport on Tue, Apr 1, arriving at Heathrow Airport. One-way Prices start from €471 including taxes and charges.

      • GTF05:40
        21h 20m
        1 stop
        LHR10:00
        Tue, Feb 25|Great Falls - London|Delta Air Lines
        €476
        €476

        Choose Delta Air Lines flights from Great Falls to London. The one-way connecting flight with Delta Air Lines departs from Great Falls International Airport on Tue, Feb 25, arriving at Heathrow Airport. One-way Prices start from €476 including taxes and charges.

      • GTF05:59
        18h 6m
        1 stop
        LHR07:05
        Tue, Feb 25|Great Falls - London|Virgin Atlantic
        €483
        €483

        Choose Virgin Atlantic flights from Great Falls to London. The one-way connecting flight with Virgin Atlantic departs from Great Falls International Airport on Tue, Feb 25, arriving at Heathrow Airport. One-way Prices start from €483 including taxes and charges.

      • GTF14:45
        14h 25m
        1 stop
        LHR11:10
        Sun, Mar 9|Great Falls - London|Alaska Airlines
        €495
        €495

        Choose Alaska Airlines flights from Great Falls to London. The one-way connecting flight with Alaska Airlines departs from Great Falls International Airport on Sun, Mar 9, arriving at Heathrow Airport. One-way Prices start from €495 including taxes and charges.

      • GTF12:00
        14h 50m
        1 stop
        LHR09:50
        Tue, Apr 1|Great Falls - London|Delta Air Lines
        €505
        €505

        Choose Delta Air Lines flights from Great Falls to London. The one-way connecting flight with Delta Air Lines departs from Great Falls International Airport on Tue, Apr 1, arriving at Heathrow Airport. One-way Prices start from €505 including taxes and charges.

      • GTF14:45
        14h 30m
        1 stop
        LHR12:15
        Tue, Feb 25|Great Falls - London|Alaska Airlines
        €508
        €508

        Choose Alaska Airlines flights from Great Falls to London. The one-way connecting flight with Alaska Airlines departs from Great Falls International Airport on Tue, Feb 25, arriving at Heathrow Airport. One-way Prices start from €508 including taxes and charges.

      • GTF01:00 pm
        3h 5m
        Nonstop
        LON02:00 pm
        Fri, Feb 28|Great Falls - London|Virgin Atlantic
        Find More Flights
        Find More Flights

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Great Falls to London flight time & flight schedules

Flight info.
Departure
Arrival
Weekly Schedule

  1. VS2486

    Virgin Atlantic

    05:50

    GTF

    2.5h

    09:22

    MSP

    SMTWTFS
    Search

  2. VS1758

    Virgin Atlantic

    12:45

    MSP

    1.7h

    15:28

    DTW

    SMTWTFS

  3. VS4038

    Virgin Atlantic

    20:15

    DTW

    7.7h

    08:55

    LHR

    SMTWTFS

  4. DL3834

    Delta Air Lines

    06:00

    GTF

    2.5h

    09:30

    MSP

    SMTWTFS
    Search

  5. DL010

    Delta Air Lines

    22:59

    MSP

    8.2h

    13:10

    LHR

    SMTWTFS

  6. UA4750

    United Airlines

    07:00

    GTF

    1.8h

    08:48

    DEN

    SMTWTFS
    Search

  7. AA2359

    American Airlines

    12:32

    DEN

    2.0h

    15:31

    DFW

    SMTWTFS

  8. AA050

    American Airlines

    16:20

    DFW

    9.0h

    07:20

    LHR

    SMTWTFS

  9. UA4750

    United Airlines

    07:00

    GTF

    1.8h

    08:48

    DEN

    SMTWTFS
    Search

  10. UA2087

    United Airlines

    10:12

    DEN

    3.4h

    15:34

    IAD

    SMTWTFS

  11. UA918

    United Airlines

    18:35

    IAD

    7.3h

    06:55

    LHR

    SMTWTFS

  12. AF2841

    Air France

    11:55

    GTF

    1.7h

    13:35

    SLC

    SMT-TF-
    Search

  13. AF3677

    Air France

    17:10

    SLC

    9.7h

    09:50

    LHR

    SMT-TF-

  14. KL7375

    KLM

    12:00

    GTF

    1.6h

    13:35

    SLC

    SMTWTFS
    Search

  15. KL6113

    KLM

    17:10

    SLC

    9.7h

    09:50

    LHR

    SMT-TF-

  16. DL3859

    Delta Air Lines

    12:40

    GTF

    1.6h

    14:19

    SLC

    SMTWTFS
    Search

  17. VS4020

    Virgin Atlantic

    17:10

    SLC

    9.7h

    09:50

    LHR

    SMT-TF-

  18. UA5441

    United Airlines

    14:26

    GTF

    2.1h

    16:35

    DEN

    SMTWTFS
    Search

  19. UA027

    United Airlines

    17:40

    DEN

    9.0h

    09:40

    LHR

    SMTWTFS

  20. AS3460

    Alaska Airlines

    14:45

    GTF

    1.9h

    15:39

    SEA

    SMTWTFS
    Search

  21. BA048

    British Airways

    20:20

    SEA

    9.3h

    13:40

    LHR

    SMTWTFS

  22. AS3460

    Alaska Airlines

    14:45

    GTF

    1.9h

    15:39

    SEA

    SMTWTFS
    Search

  23. VS106

    Virgin Atlantic

    17:35

    SEA

    9.8h

    11:25

    LHR

    SMTWTFS
Find more flights and airlines

When is the cheapest time to fly from Great Falls to London?

These price trend charts carefully monitor and predict how flight prices from Great Falls to London will change. Keep a close eye on them to understand when the best time to buy your tickets is.

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Frequently Asked Questions

  • When are flight tickets from Great Falls (GTF) to London (LON) the cheapest?

    Airlines adjust prices for flights from Great Falls to London based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.

  • How much do flights from Great Falls (GTF) to London (LON) cost?

    According to Trip.com's data, the lowest price is around €1,131.

  • What is the transportation method from the main airport to downtown in London?

    • The distance from Heathrow Airport to downtown is about 23 km, by taxi about 40 minutes.
    • The distance from London Gatwick Airport to downtown is about 39 km, by taxi about 50 minutes.
    • The distance from London Luton Airport to downtown is about 44 km, by taxi about 1 hour.

  • How many airports are there in London (LON)?

How to find a cheap flight from Great Falls to London

Understanding the common pitfalls when booking your flight tickets can help you save massively when it comes time to fly. We’ve listed our six essential steps to keep in mind when you’re booking flight tickets to help you find the best price.
1
Being flexible with your dates to get the cheapest Great Falls to London ticket.
Tap "Date" on flight search bar to scan through the calender for Great Falls to London airfare over next 6 months in 2025. If you would like to fly in next 3 months, it seems the cheapest date is on Sun, Mar 9 at €461 for one-way flights.
2
Compare cheap Great Falls to London flight deals from over hundreds of airlines.
Our extensive search allows you to compare prices from over 500 airlines to choose the cheapest flight tickets from Great Falls to London. The cheapest airline operating is Virgin Atlantic.
3
Set up a Price Alert
By setting up a Price Alert for your Great Falls to London route, you can easily track the price of your airline tickets from without manually checking every day.
4
Don't miss cheap Great Falls to London flight deals and promo codes.
You can always get the latest deals through Trip.com Deals and Promo Codes for cheap flights. If registering a free membership, you can receive more deals for your flights.
5
Book early or wait unitl the last minute.
It's always better to book early. Flight tickets tend to be the cheapest when they are first released, normally about a year before the departure date. So, check online as soon as the flights you want become available. If you miss the cheapest time, you can still find lower-priced tickets as the flight date approaches.
6
Search for flights on the go.
To get the best flight booking experience on the go, download Trip.com and search for cheap flight tickets from Great Falls to London to get exclusive deals for you.

Flight Info | Great Falls to London

Cheapest direct flight price€460
Off-season for travelFebruary
Peak season for travelApril
Flight distance7,211.53 km
Popular airlineDelta Air Lines

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