Cheap flights from Great Falls (GTF) to London (LON) from $761

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/23. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
GTF — LON
May 8 — May 151

Cheap flight deals from Great Falls to London

Discover tips and strategies to find the most affordable flight options for your journey from Great Falls (GTF) to London (LON). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated May 3, 2024.

Popular in

June

Cheapest in

February

Average price

$1,059

Round-trip from

$643
High demand for flights, 28% potential price rise
Best time to find cheap flights, 33% potential price drop
Average for round-trip flights in May 2024
From Great Falls to London (LON)

What is the cheapest day to fly round-trip from Great Falls to London?

Leaving on a Monday is a viable option for saving on travel. Heavily demanded days of the week can typically drive up the prices you see. Booking your travel for a less competitive day can save up to 35% on the overall cost on flights from Great Falls to London.

What is the cheapest month to fly from Great Falls to London?

Flights from Great Falls to London lean towards being more expensive in June. Prices are generally better when you fly from Great Falls to London in February, with the cheapest ticket starting at $793.

When is the cheapest time to fly from Great Falls to London (GTF - LON)?

Unlike in the morning, when flights are generally more expensive, you can save up to 11% on flights from Great Falls to London by exploring options for tickets at noon.

Cheap United Airlines flights from Great Falls to London

Explore cheap flight options specifically provided by United Airlines for the route between Great Falls and London. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,864,334 searches. Data last updated May 3, 2024.
Find some of the cheapest United Airlines flights traveling from Great Falls to London. Be sure to come back soon if the deals available don't appeal to you at this time.
Sat 6/112:30 pmGTF - LHR
2 stops35h 15mUnited Airlines
Mon 6/107:25 amLHR - GTF
2 stops36h 53mUnited Airlines
Deal found 5/1$1,088
Sat 6/112:30 pmGTF - LHR
2 stops35h 15mUnited Airlines
Mon 6/102:50 pmLHR - GTF
1 stop13h 13mUnited Airlines
Deal found 5/1$1,100
Thu 5/306:45 amGTF - LHR
1 stop22h 35mUnited Airlines
Thu 6/132:50 pmLHR - GTF
1 stop13h 13mUnited Airlines
Deal found 5/1$1,109
Thu 5/306:45 amGTF - LHR
2 stops22h 00mUnited Airlines
Thu 6/1311:05 amLHR - GTF
1 stop16h 58mUnited Airlines
Deal found 5/1$1,114
Sat 6/12:25 pmGTF - LHR
1 stop12h 15mUnited Airlines
Mon 6/1011:05 amLHR - GTF
1 stop16h 58mUnited Airlines
Deal found 5/1$1,184

Cheap Delta flights from Great Falls to London

Explore cheap flight options specifically provided by Delta for the route between Great Falls and London. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,864,334 searches. Data last updated May 3, 2024.
Some of the lowest-priced Delta flights we've found at this time heading from Great Falls to London. Deals are refreshing constantly so come back soon for more options.
Fri 8/236:00 amGTF - LHR
1 stop18h 15mDelta
Tue 8/276:15 amLHR - GTF
2 stops23h 18mDelta
Deal found 5/2$761
Fri 8/2312:30 pmGTF - LHR
2 stops17h 45mDelta
Tue 8/279:55 amLHR - GTF
2 stops19h 54mDelta
Deal found 5/2$767
Fri 8/2312:30 pmGTF - LHR
1 stop14h 30mDelta
Tue 8/2710:55 amLHR - GTF
1 stop18h 38mDelta
Deal found 5/2$768
Fri 8/236:00 amGTF - LHR
1 stop18h 15mDelta
Tue 8/276:15 amLHR - GTF
2 stops23h 18mDelta
Deal found 5/1$849
Fri 8/2312:30 pmGTF - LHR
2 stops17h 45mDelta
Tue 8/276:30 amLHR - GTF
2 stops17h 20mDelta
Deal found 5/1$855
Fri 8/2312:30 pmGTF - LHR
1 stop14h 30mDelta
Tue 8/2710:55 amLHR - GTF
1 stop18h 38mDelta
Deal found 5/1$856
Sat 6/16:00 amGTF - LHR
2 stops17h 45mDelta
Tue 6/118:40 amLHR - GTF
2 stops21h 33mDelta
Deal found 5/3$977

Cheap Great Falls to London flights in May & June 2024

Find cheap flight options from Great Falls to London specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,864,334 searches. Prices were last updated on May 3, 2024.
Scroll through some of the best deals on flights from Great Falls to London in 2024. Check back regularly for other flight deals.
Sat 6/112:00 pmGTF - LHR
1 stop15h 00mKLM
Tue 6/119:55 amLHR - GTF
2 stops20h 18mKLM
Deal found 5/3$972
Sat 6/112:00 pmGTF - LHR
1 stop15h 00mKLM
Tue 6/1110:55 amLHR - GTF
1 stop13h 39mKLM
Deal found 5/3$976
Sat 6/16:00 amGTF - LHR
2 stops17h 45mDelta
Tue 6/118:40 amLHR - GTF
2 stops21h 33mDelta
Deal found 5/3$977
Sat 6/15:45 amGTF - LHR
1 stop21h 15mDelta
Mon 6/106:15 amLHR - GTF
2 stops23h 58mDelta
Deal found 5/3$1,019
Sat 6/16:00 amGTF - LHR
2 stops17h 45mDelta
Mon 6/106:15 amLHR - GTF
2 stops23h 58mDelta
Deal found 5/3$1,024
Sat 6/112:00 pmGTF - LHR
1 stop15h 00mKLM
Mon 6/109:20 amLHR - GTF
1 stop20h 53mKLM
Deal found 5/3$1,026
Sat 6/112:30 pmGTF - LHR
2 stops35h 15mUnited Airlines
Mon 6/107:25 amLHR - GTF
2 stops36h 53mUnited Airlines
Deal found 5/1$1,088
Sat 6/112:30 pmGTF - LHR
2 stops35h 15mUnited Airlines
Mon 6/102:50 pmLHR - GTF
1 stop13h 13mUnited Airlines
Deal found 5/1$1,100
Thu 5/306:45 amGTF - LHR
1 stop22h 35mUnited Airlines
Thu 6/132:50 pmLHR - GTF
1 stop13h 13mUnited Airlines
Deal found 5/1$1,109

Great Falls to London 2024 flight deals

Discover exclusive flight deals for travel between Great Falls and London in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,864,334 searches. Data last updated May 3, 2024.
Scroll through some of the best deals on flights from Great Falls to London in 2024. Check back regularly for other flight deals.
Fri 8/236:00 amGTF - LHR
1 stop18h 15mDelta
Tue 8/276:15 amLHR - GTF
2 stops23h 18mDelta
Deal found 5/2$761
Fri 8/2312:30 pmGTF - LHR
2 stops17h 45mDelta
Tue 8/279:55 amLHR - GTF
2 stops19h 54mDelta
Deal found 5/2$767
Fri 8/2312:30 pmGTF - LHR
1 stop14h 30mDelta
Tue 8/2710:55 amLHR - GTF
1 stop18h 38mDelta
Deal found 5/2$768
Mon 11/45:45 amGTF - LHR
1 stop18h 20mDelta
Thu 11/146:20 amLHR - GTF
2 stops23h 17mDelta
Deal found 5/1$782
Mon 11/45:45 amGTF - LHR
2 stops22h 25mDelta
Thu 11/146:20 amLHR - GTF
2 stops23h 17mDelta
Deal found 5/1$786
Mon 11/412:30 pmGTF - LHR
1 stop14h 30mKLM
Thu 11/1410:45 amLHR - GTF
1 stop13h 05mKLM
Deal found 5/1$789
Fri 8/236:00 amGTF - LHR
1 stop18h 15mDelta
Tue 8/276:15 amLHR - GTF
2 stops23h 18mDelta
Deal found 5/1$849
Fri 8/2312:30 pmGTF - LHR
2 stops17h 45mDelta
Tue 8/276:30 amLHR - GTF
2 stops17h 20mDelta
Deal found 5/1$855
Fri 8/2312:30 pmGTF - LHR
1 stop14h 30mDelta
Tue 8/2710:55 amLHR - GTF
1 stop18h 38mDelta
Deal found 5/1$856

One-way flights to London from Great Falls

Search for one-way flight options from Great Falls to London. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,864,334 searches. Data last updated May 3, 2024.
Take a look at some of the best available options we've come across on one-way flights from Great Falls to London. Users can also find round-trip Great Falls to London flights by using the search form above.
Sun 6/26:00 amGTF - LHR
2 stops17h 25mDelta
Deal found 5/2$892
Sat 6/15:45 amGTF - LHR
1 stop21h 15mDelta
Deal found 5/2$942
Fri 5/316:00 amGTF - LHR
2 stops17h 45mDelta
Deal found 5/2$1,372

Find flights from Great Falls to London within your budget

Customize your flight search to find flights from Great Falls to London 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, Cheapflights users made 2,864,334 searches. Data last updated May 3, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$761 - $1,100

Route

Depart

Return

Price

Great FallsLondon Heathrow

GTF - LHR

GTFLHR

Great Falls

Fri 8/23

1 stop18h 15m

London Heathrow

Tue 8/27

2 stops23h 18m

$761

Great FallsLondon Heathrow

GTF - LHR

GTFLHR

Great Falls

Fri 8/23

2 stops17h 45m

London Heathrow

Tue 8/27

2 stops19h 54m

$767

Great FallsLondon Heathrow

GTF - LHR

GTFLHR

Great Falls

Fri 8/23

1 stop14h 30m

London Heathrow

Tue 8/27

1 stop18h 38m

$768

Great FallsLondon Heathrow

GTF - LHR

GTFLHR

Great Falls

Fri 8/23

1 stop18h 15m

London Heathrow

Tue 8/27

2 stops23h 18m

$849

Great FallsLondon Heathrow

GTF - LHR

GTFLHR

Great Falls

Fri 8/23

2 stops17h 45m

London Heathrow

Tue 8/27

2 stops17h 20m

$855

Great FallsLondon Heathrow

GTF - LHR

GTFLHR

Great Falls

Sat 6/1

1 stop15h 00m

London Heathrow

Tue 6/11

2 stops20h 18m

$972

Great FallsLondon Heathrow

GTF - LHR

GTFLHR

Great Falls

Sat 6/1

1 stop15h 00m

London Heathrow

Tue 6/11

1 stop13h 39m

$976

Great FallsLondon Heathrow

GTF - LHR

GTFLHR

Great Falls

Sat 6/1

2 stops35h 15m

London Heathrow

Mon 6/10

2 stops36h 53m

$1,088

Great FallsLondon Heathrow

GTF - LHR

GTFLHR

Great Falls

Sat 6/1

2 stops35h 15m

London Heathrow

Mon 6/10

1 stop13h 13m

$1,100

Flights are sorted by cheapest first

Deals found on 5/2

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

Use this chart to determine the cheapest time to fly round-trip from Great Falls to London. Price data was last updated on April 28, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Great Falls to London flight should consider departing on Thursday afternoons when fares are most often at their lowest. Saturday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Average price of flights to London by month

Plan your trip from Great Falls to London by taking into account the cheapest months to travel. The average price of a one-way flight from Great Falls to London is currently $1,069 while a round-trip flight costs $904. Price data was last updated on April 28, 2024.

Currently, November is the cheapest month in which you can book a flight from Great Falls to London (average of $653). Flying from Great Falls to London in June is currently the most expensive (average of $1,165). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

January

$674

February

$663

March

$715

April

$692

May

$738

June

$1,165

July

$984

August

$777

September

$746

October

$711

November

$653

December

$672

Temperature and rainfall in London by month

Plan your trip to London by taking into account the average temperature and rainfall totals by month.

LON

Temperature

39.2 - 62.6 °F

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to London. Reviews last updated May 3, 2024.
Peruse reviews from past customers who have flown with United Airlines, Delta and KLM from Great Falls to London to help guide your decision. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.1
Very good
10,848 reviews

Crew

8.6

Food

7.4

Comfort

7.9

Overall

8.1

Boarding

8.2

Entertainment

8.0

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

8.1
Very good
10,848 reviews
8.1
Very good
10,848 reviews

Crew

8.6

Food

7.4

Comfort

7.9

Overall

8.1

Boarding

8.2

Entertainment

8.0

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

7.9
Good
1,604 reviews
8.1
Very good
10,848 reviews

Crew

8.6

Food

7.4

Comfort

7.9

Overall

8.1

Boarding

8.2

Entertainment

8.0

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

7.4
Good
11,134 reviews
8.1
Very good
10,848 reviews

Crew

8.6

Food

7.4

Comfort

7.9

Overall

8.1

Boarding

8.2

Entertainment

8.0

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Related info for your journey

Find useful and relevant information for your journey from Great Falls to London. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly from for flights from Great Falls to London?

    Great Falls (GTF), located 3.5 mi from the city center, is the airport you fly out of when you book flights from Great Falls to London. 2 airlines have flights from Great Falls to London on a regular basis. Booking flights from Great Falls to London should not be difficult; the airport handles an average of 0 outbound flights to London per day.

  • Can I find flights from Great Falls to London for under $800 on Cheapflights?

    Yes, there are multiple flights from Great Falls to London for under $800. The cheapest flight booked recently is on Delta for just $761, but on average you can expect to pay $955.

  • What are the cheapest airlines flying from Great Falls to London round-trip?

    Flying on Delta is currently your cheapest option to London, with prices starting at $761. Additional round-trip tickets that might be worth considering are offered by KLM and United Airlines, with the lowest prices starting at $972 and $1,088, respectively. Delta is 35% cheaper than the average price of flights available within the next 90 days to this destination.

  • What does GTF to LHR mean?

    These are just IATA (International Air Transport Association) codes. They are used in aviation to identify and differentiate airports. That’s why a Great Falls Airport to London Heathrow Airport flight would often be abbreviated as a GTF to LHR flight. London Gatwick Airport (LGW), London Stansted Airport (STN), London Luton Airport (LTN), London City Airport (LCY), London Southend Airport (SEN) are other airports near this flight route and their unique identifiers/IATA codes.

  • Can I find deals for flights from Great Falls to London that include extra baggage allowance?

    The amount of baggage you can bring on your Great Falls to London flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Great Falls to London with specific airlines?

    Yes, Cheapflights allows you to browse and filter Great Falls to London flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from Great Falls to London that include hotel bookings?

    Yes. In addition to deals on Great Falls to London flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Great Falls to London?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Great Falls to London.

  • Can I find deals for business class flights from Great Falls to London?

    Yes. Cheapflights offers flight deals from Great Falls to London by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from Great Falls to London that allow pets onboard?

    Many airlines flying from Great Falls to London offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Great Falls to London?

    Yes, you can often find last-minute deals on Great Falls to London flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Great Falls to London flight deals updated?

    The Great Falls to London flight deals you see on this page were last updated on 5/3.

See more FAQs

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Top 2 airlines flying from Great Falls to London

Discover the top 2 airlines that operate flights from Great Falls to London. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,864,334 searches. Data last updated May 3, 2024.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$636Average$856FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
DeltaCheapest$646Average$799FlexibilityNo cancel feeOn-timeN/A
Search Delta flights

Search flights from Great Falls to London by cabin class

Find flights from Great Falls to London, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Great Falls to London?

When you search for this flight from Great Falls to London, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Great Falls to London?

Millions of users choose and trust Cheapflights to book the best flight deals from Great Falls to London for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Great Falls to London with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Great Falls to London flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Great Falls to London become cheaper?

Yes! Start tracking prices for Great Falls to London flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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