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$439+ Cheap flights from Great Falls (GTF) to the United Kingdom

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/5. Fares are subject to change and may not be available on all flights or dates of travel.
GTF — LHR
jun. 17 — jun. 241
mar. 6/17
mar. 6/24
1 adult, Economy
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Cheap flight deals from Great Falls to United Kingdom

Keep the following information in mind while searching for Great Falls to United Kingdom flight deals. Data was last updated junio 12, 2025.

Round-trip from

$728
(United Airlines)

One-way from

$439
(United Airlines)
From Great Falls to United Kingdom
Search Deals
One-way flight from Great Falls to United Kingdom
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Find flight deals from Great Falls to United Kingdom

Cheapest flights from Great Falls to United Kingdom
Explore the most affordable flight options available from Great Falls to United Kingdom. Find the lowest fares from popular airlines and budget airlines, with prices last updated on junio 12, 2025.

This United Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/292:31 pmGTF - LHR
2 stops36h 04mUnited Airlines
mié. 10/82:05 pmLHR - GTF
2 stops38h 06mUnited Airlines
Deal found 6/10$728
This United Airlines deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 9/132:35 pmGTF - EDI
2 stops37h 00mUnited Airlines
dom. 9/219:00 amEDI - GTF
2 stops43h 28mUnited Airlines
Deal found 6/11$762
This Delta deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 9/146:20 pmGTF - EDI
2 stops29h 25mDelta
dom. 9/2111:20 amEDI - GTF
2 stops30h 49mDelta
Deal found 6/11$809
This KLM deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/411:43 amGTF - LHR
2 stops18h 47mKLM
jue. 9/2510:55 amLHR - GTF
1 stop13h 47mKLM
Deal found 6/9$856
This American Airlines deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 9/144:29 pmGTF - EDI
2 stops18h 16mMultiple Airlines
sáb. 9/203:05 pmEDI - GTF
2 stops31h 44mMultiple Airlines
Deal found 6/11$857
This Delta deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/1511:30 amGTF - LHR
1 stop15h 20mDelta
dom. 9/2110:55 amLHR - GTF
2 stops18h 56mDelta
Deal found 6/11$862
This American Airlines deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 9/144:29 pmGTF - LHR
1 stop14h 11mMultiple Airlines
sáb. 9/209:50 amLHR - GTF
1 stop12h 59mMultiple Airlines
Deal found 6/11$961

Cheapflights Fare Finder

Customize your flight search to find flights from Great Falls to United Kingdom 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 2,558,603 searches. Data last updated junio 12, 2025.
Use the filters below to find and compare flights from Great Falls to the United Kingdom that are best for you.

Fly from

Great Falls

Fly to

United Kingdom

Route

Depart

Return

Price

Great FallsLondon

GTF - LHR

GTFLHR

Great Falls

lun. 9/29

2:31 pm-9:35 am

2 stops36h 04m

London Heathrow

mié. 10/8

2:05 pm-9:11 pm

2 stops38h 06m

$728

Great FallsEdinburgh

GTF - EDI

GTFEDI

Great Falls

sáb. 9/13

2:35 pm-10:35 am

2 stops37h 00m

Edinburgh Turnhouse

dom. 9/21

9:00 am-9:28 pm

2 stops43h 28m

$762

Great FallsEdinburgh

GTF - EDI

GTFEDI

Great Falls

dom. 9/14

6:20 pm-6:45 am

2 stops29h 25m

Edinburgh Turnhouse

dom. 9/21

11:20 am-11:09 am

2 stops30h 49m

$809

Great FallsLondon

GTF - LHR

GTFLHR

Great Falls

jue. 9/4

11:43 am-1:30 pm

2 stops18h 47m

London Heathrow

jue. 9/25

10:55 am-5:42 pm

1 stop13h 47m

$856

Great FallsEdinburgh

GTF - EDI

GTFEDI

Great Falls

dom. 9/14

4:29 pm-5:45 pm

2 stops18h 16m

Edinburgh Turnhouse

sáb. 9/20

3:05 pm-3:49 pm

2 stops31h 44m

$857

Great FallsLondon

GTF - LHR

GTFLHR

Great Falls

lun. 9/15

11:30 am-9:50 am

1 stop15h 20m

London Heathrow

dom. 9/21

10:55 am-10:51 pm

2 stops18h 56m

$862

Great FallsLondon

GTF - LHR

GTFLHR

Great Falls

dom. 9/14

4:29 pm-1:40 pm

1 stop14h 11m

London Heathrow

sáb. 9/20

9:50 am-3:49 pm

1 stop12h 59m

$961

Great FallsLondon

GTF - LHR

GTFLHR

Great Falls

dom. 10/5

7:00 am-12:20 pm

1 stop22h 20m

$439

Great FallsLondon

GTF - LHR

GTFLHR

Great Falls

dom. 10/5

6:15 pm-11:55 am

3 stops34h 40m

$530

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Best time to book a flight from Great Falls to United Kingdom

Have a flexible travel schedule? Discover the best time to fly to United Kingdom from Great Falls with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Great Falls to the United Kingdom

Rainfall in United Kingdom by month

Plan your trip to United Kingdom by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in United Kingdom ranges from 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. July is typically the driest time to visit United Kingdom when rainfall is around 1.6 in.

Temperature in United Kingdom by month

Plan your trip to United Kingdom by taking into account the average temperature totals by month.

If weather is an important factor for your trip to United Kingdom, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

Reviews of airlines servicing United Kingdom

Get insights into the airlines that provide service to United Kingdom. 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 United Kingdom. Reviews last updated junio 12, 2025.
Peruse reviews from past customers who have flown with Delta, KLM and United Airlines from Great Falls to United Kingdom to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,946 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,946 reviews
Delta
8.0
Very good
7,946 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,358 reviews
Delta
8.0
Very good
7,946 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,790 reviews
Delta
8.0
Very good
7,946 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Great Falls to United Kingdom. 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 United Kingdom?

    For a flight from Great Falls to United Kingdom, you will be flying from Great Falls. Great Falls (GTF) is just 3.5 mi from the center of the city.

  • What are the most popular routes from Great Falls to United Kingdom?

    The most popular route from Great Falls to United Kingdom is Great Falls - London Heathrow. You may also consider Great Falls - Edinburgh Turnhouse or Great Falls - Newcastle upon Tyne.

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

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

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

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

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

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

  • What is the cheapest month to book a flight from Great Falls to United Kingdom?

    Currently, November is the cheapest month in which you can book a flight from Great Falls to United Kingdom (average of $661). Flying from Great Falls to United Kingdom in June is currently the most expensive (average of $1,108). 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.

See more FAQs

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Top airline flying from Great Falls to United Kingdom

Discover the top airline that operate flights from Great Falls to United Kingdom. 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 2,558,603 searches. Data last updated junio 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$764Average$971FlexibilityNo cancel feeOn-timeN/A

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