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Cheap flights from Great Falls (GTF) to Heathrow (LHR) from $843

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 — LHR
Mai 4 — Mai 111
From?
To?
Sa 5/4
Sa 5/11
1 adult, Economy
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Cheap flight deals from Great Falls to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Great Falls (GTF) to Heathrow (LHR). 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 April 29, 2024.

Round-trip from

$643
From Great Falls to London Heathrow
Search Deals

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

Users have found that flying from Great Falls to London Heathrow Airport on a Monday typically leans towards higher prices. However, this doesn’t mean you still can’t find a deal. Flexibility with other aspects of your flight can still land a great price for your trip.

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

The best pricing can be found in the month of February. Prices to London Heathrow Airport from Great Falls average $1,188. You can even find prices in February for less than $1,188, as users have found deals to London Heathrow Airport from as low as $793. The month of June appears to be one of the more expensive times to travel to London Heathrow Airport from Great Falls. Flying in the targeted month can save you up to 38%.

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

A simple way to save on the total cost of your ticket is to fly from Great Falls to London Heathrow Airport in the afternoon. If you’re flexible enough to do this you can expect to save up to 27% on your trip compared to booking a flight in the morning.

Cheap United Airlines flights from Great Falls to Heathrow

Explore cheap flight options specifically provided by United Airlines for the route between Great Falls and Heathrow. 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 2,948,547 searches. Data last updated April 29, 2024.
Peruse some of the lowest-priced United Airlines flights we've found from Great Falls to London. Make sure to check back often as deals are often changing.
Fr 8/232:30 pmGTF - LHR
1 stop14h 50mUnited Airlines
Di 8/279:30 amLHR - GTF
2 stops34h 56mUnited Airlines
Deal found 4/27$843
Fr 8/237:00 amGTF - LHR
2 stops15h 55mUnited Airlines
Di 8/272:05 pmLHR - GTF
2 stops30h 21mUnited Airlines
Deal found 4/28$848
Fr 8/232:30 pmGTF - LHR
1 stop14h 50mUnited Airlines
Di 8/272:50 pmLHR - GTF
1 stop13h 27mUnited Airlines
Deal found 4/27$865
Mo 5/276:45 amGTF - LHR
2 stops20h 15mUnited Airlines
Di 6/42:50 pmLHR - GTF
1 stop13h 13mUnited Airlines
Deal found 4/28$1,008
So 5/266:45 amGTF - LHR
2 stops16h 10mUnited Airlines
Do 6/68:30 amLHR - GTF
2 stops19h 33mUnited Airlines
Deal found 4/28$1,013
So 5/262:17 pmGTF - LHR
1 stop12h 23mUnited Airlines
So 6/92:50 pmLHR - GTF
1 stop13h 13mUnited Airlines
Deal found 4/28$1,083
Do 5/302:17 pmGTF - LHR
1 stop12h 23mUnited Airlines
Do 6/62:50 pmLHR - GTF
1 stop13h 13mUnited Airlines
Deal found 4/28$1,108
Do 5/302:17 pmGTF - LHR
1 stop12h 23mUnited Airlines
Sa 6/82:50 pmLHR - GTF
1 stop13h 13mUnited Airlines
Deal found 4/28$1,183
Fr 5/316:45 amGTF - LHR
1 stop19h 55mUnited Airlines
Fr 6/72:50 pmLHR - GTF
1 stop13h 13mUnited Airlines
Deal found 4/28$1,208

Cheap Delta flights from Great Falls to Heathrow

Explore cheap flight options specifically provided by Delta for the route between Great Falls and Heathrow. 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 2,948,547 searches. Data last updated April 29, 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.
Fr 8/235:34 pmGTF - LHR
2 stops16h 41mDelta
Di 8/276:15 amLHR - GTF
2 stops23h 18mDelta
Deal found 4/27$853
Do 5/306:00 amGTF - LHR
1 stop18h 15mDelta
Sa 6/86:15 amLHR - GTF
2 stops17h 38mDelta
Deal found 4/28$1,387
Do 5/305:45 amGTF - LHR
2 stops18h 30mDelta
Sa 6/86:15 amLHR - GTF
2 stops17h 38mDelta
Deal found 4/28$1,392

Cheap Great Falls to Heathrow flights in April & May 2024

Find cheap flight options from Great Falls to Heathrow specifically for the months of April and May 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,948,547 searches. Prices were last updated on April 29, 2024.
These are some of the most attractive deals on flights from Great Falls to London in 2024. Check back in a little while for more flight options.
Mo 5/276:45 amGTF - LHR
2 stops20h 15mUnited Airlines
Di 6/42:50 pmLHR - GTF
1 stop13h 13mUnited Airlines
Deal found 4/28$1,008
So 5/266:45 amGTF - LHR
2 stops16h 10mUnited Airlines
Do 6/68:30 amLHR - GTF
2 stops19h 33mUnited Airlines
Deal found 4/28$1,013
So 5/262:17 pmGTF - LHR
1 stop12h 23mUnited Airlines
So 6/92:50 pmLHR - GTF
1 stop13h 13mUnited Airlines
Deal found 4/28$1,083
Do 5/302:17 pmGTF - LHR
1 stop12h 23mUnited Airlines
Do 6/62:50 pmLHR - GTF
1 stop13h 13mUnited Airlines
Deal found 4/28$1,108
Do 5/302:17 pmGTF - LHR
1 stop12h 23mUnited Airlines
Sa 6/82:50 pmLHR - GTF
1 stop13h 13mUnited Airlines
Deal found 4/28$1,183
Fr 5/316:45 amGTF - LHR
1 stop19h 55mUnited Airlines
Fr 6/72:50 pmLHR - GTF
1 stop13h 13mUnited Airlines
Deal found 4/28$1,208
Fr 5/316:45 amGTF - LHR
1 stop19h 55mUnited Airlines
So 6/92:50 pmLHR - GTF
1 stop13h 13mUnited Airlines
Deal found 4/28$1,283
Mi 5/292:17 pmGTF - LHR
1 stop12h 23mUnited Airlines
Di 6/42:50 pmLHR - GTF
1 stop13h 13mUnited Airlines
Deal found 4/28$1,309
Di 5/2812:00 pmGTF - LHR
1 stop15h 00mKLM
Sa 6/86:30 amLHR - GTF
2 stops17h 23mKLM
Deal found 4/28$1,340

Great Falls to Heathrow 2024 flight deals

Discover exclusive flight deals for travel between Great Falls and Heathrow in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,948,547 searches. Data last updated April 29, 2024.
These are some of the most attractive deals on flights from Great Falls to London in 2024. Check back in a little while for more flight options.
Fr 8/232:30 pmGTF - LHR
1 stop14h 50mUnited Airlines
Di 8/279:30 amLHR - GTF
2 stops34h 56mUnited Airlines
Deal found 4/27$843
Fr 8/237:00 amGTF - LHR
2 stops15h 55mUnited Airlines
Di 8/272:05 pmLHR - GTF
2 stops30h 21mUnited Airlines
Deal found 4/28$848
Fr 8/235:34 pmGTF - LHR
2 stops16h 41mDelta
Di 8/276:15 amLHR - GTF
2 stops23h 18mDelta
Deal found 4/27$853
Fr 8/232:30 pmGTF - LHR
1 stop14h 50mUnited Airlines
Di 8/272:50 pmLHR - GTF
1 stop13h 27mUnited Airlines
Deal found 4/27$865
Mo 5/276:45 amGTF - LHR
2 stops20h 15mUnited Airlines
Di 6/42:50 pmLHR - GTF
1 stop13h 13mUnited Airlines
Deal found 4/28$1,008
So 5/266:45 amGTF - LHR
2 stops16h 10mUnited Airlines
Do 6/68:30 amLHR - GTF
2 stops19h 33mUnited Airlines
Deal found 4/28$1,013
So 5/262:17 pmGTF - LHR
1 stop12h 23mUnited Airlines
So 6/92:50 pmLHR - GTF
1 stop13h 13mUnited Airlines
Deal found 4/28$1,083
Do 5/302:17 pmGTF - LHR
1 stop12h 23mUnited Airlines
Do 6/62:50 pmLHR - GTF
1 stop13h 13mUnited Airlines
Deal found 4/28$1,108
Do 5/302:17 pmGTF - LHR
1 stop12h 23mUnited Airlines
Sa 6/82:50 pmLHR - GTF
1 stop13h 13mUnited Airlines
Deal found 4/28$1,183

Find flights from Great Falls to Heathrow within your budget

Customize your flight search to find flights from Great Falls to Heathrow 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 2,948,547 searches. Data last updated April 29, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$843 - $2,214

Route

Depart

Return

Price

Great FallsLondon Heathrow

GTF - LHR

GTFLHR

Great Falls

Fr 8/23

1 stop14h 50m

London Heathrow

Di 8/27

2 stops34h 56m

$843

Great FallsLondon Heathrow

GTF - LHR

GTFLHR

Great Falls

Fr 8/23

2 stops15h 55m

London Heathrow

Di 8/27

2 stops30h 21m

$848

Great FallsLondon Heathrow

GTF - LHR

GTFLHR

Great Falls

Fr 8/23

2 stops16h 41m

London Heathrow

Di 8/27

2 stops23h 18m

$853

Great FallsLondon Heathrow

GTF - LHR

GTFLHR

Great Falls

Fr 8/23

1 stop14h 50m

London Heathrow

Di 8/27

1 stop13h 27m

$865

Great FallsLondon Heathrow

GTF - LHR

GTFLHR

Great Falls

Mo 5/27

2 stops20h 15m

London Heathrow

Di 6/4

1 stop13h 13m

$1,008

Great FallsLondon Heathrow

GTF - LHR

GTFLHR

Great Falls

So 5/26

2 stops16h 10m

London Heathrow

Do 6/6

2 stops19h 33m

$1,013

Great FallsLondon Heathrow

GTF - LHR

GTFLHR

Great Falls

Di 5/28

1 stop15h 00m

London Heathrow

Sa 6/8

2 stops17h 23m

$1,340

Great FallsLondon Heathrow

GTF - LHR

GTFLHR

Great Falls

Do 5/30

2 stops19h 50m

London Heathrow

Fr 6/7

2 stops18h 04m

$1,345

Great FallsLondon Heathrow

GTF - LHR

GTFLHR

Great Falls

Sa 6/1

1 stop13h 54m

London Heathrow

Fr 6/7

1 stop14h 55m

$2,214

Flights are sorted by cheapest first

Deals found on 4/27

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

Use this chart to determine the cheapest time to fly round-trip from Great Falls to Heathrow. 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 Heathrow Airport flight should consider departing on Thursday afternoons when fares are most often at their lowest. Wednesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
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Average price of flights to Heathrow by month

Plan your trip from Great Falls to Heathrow by taking into account the cheapest months to travel. The average price of a one-way flight from Great Falls to Heathrow is currently $0 while a round-trip flight costs $1,148. 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 Heathrow Airport (average of $653). Flying from Great Falls to London Heathrow Airport in June is currently the most expensive (average of $1,173). 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

$675

February

$664

March

$715

April

$700

May

$748

June

$1,173

July

$987

August

$779

September

$748

October

$712

November

$653

December

$672

Temperature and rainfall in Heathrow by month

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

LON

Temperature

39.2 - 62.6 °F

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. 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 Heathrow. Reviews last updated April 29, 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. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.1
Very good
10,913 reviews
Check prices

Overall

8.1

Entertainment

8.0

Boarding

8.2

Food

7.4

Comfort

7.9

Crew

8.6

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

Delta
8.1
Very good
10,913 reviews
Delta
8.1
Very good
10,913 reviews
Check prices

Overall

8.1

Entertainment

8.0

Boarding

8.2

Food

7.4

Comfort

7.9

Crew

8.6

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

KLM
7.9
Good
1,618 reviews
Delta
8.1
Very good
10,913 reviews
Check prices

Overall

8.1

Entertainment

8.0

Boarding

8.2

Food

7.4

Comfort

7.9

Crew

8.6

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

United Airlines
7.4
Good
11,202 reviews
Delta
8.1
Very good
10,913 reviews
Check prices

Overall

8.1

Entertainment

8.0

Boarding

8.2

Food

7.4

Comfort

7.9

Crew

8.6

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

Related info for your journey

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

    For a flight from Great Falls to London Heathrow, you will be flying from Great Falls. Great Falls (GTF) is just 3.5 mi from the center of the city. Great Falls is the only Great Falls airport and it handles 0 outbound flights to London Heathrow per day. 2 airlines have flights to London Heathrow from Great Falls on a regular basis.

  • Can I find flights from Great Falls to London Heathrow Airport for under $900 on Cheapflights?

    Yes, there are multiple flights from Great Falls to London Heathrow Airport for under $900. The cheapest flight booked recently is on United Airlines for just $843, but on average you can expect to pay $1,180.

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

    Currently priced at $843, United Airlines will fly you from Great Falls to London Heathrow Airport and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Delta and KLM - these airlines can fly you to your destination from $853 and $1,340, respectively.

  • What does GTF to LHR mean?

    GTF stands for Great Falls Airport, while LHR stands for London Heathrow Airport. These codes are often called IATA codes, a set of identifiers established by IATA (International Air Transport Association) that is widely used by airlines and the aviation industry.

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

    The amount of baggage you can bring on your Great Falls to Heathrow 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 Heathrow with specific airlines?

    Yes, Cheapflights allows you to browse and filter Great Falls to Heathrow 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 Heathrow that include hotel bookings?

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

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

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

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

    Yes. Cheapflights offers flight deals from Great Falls to Heathrow 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 Heathrow that allow pets onboard?

    Many airlines flying from Great Falls to Heathrow 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 Heathrow?

    Yes, you can often find last-minute deals on Great Falls to Heathrow 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 Heathrow Airport flight deals updated?

    The Great Falls to London Heathrow Airport flight deals you see on this page were last updated on 4/28.

See more FAQs

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Alternative routes for Great Falls to Heathrow
See prices for flight routes from nearby airports that may be better suited for you.

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Top 2 airlines flying from Great Falls to Heathrow

Discover the top 2 airlines that operate flights from Great Falls to Heathrow. 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 2,948,547 searches. Data last updated April 29, 2024.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$636Average$856FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
DeltaCheapest$646Average$799FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
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Search flights from Great Falls to Heathrow by cabin class

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

When you search for this flight from Great Falls to Heathrow, 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 Heathrow?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Great Falls to Heathrow for you. Better yet — we are completely free to use.

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

Yes, we can. To see specific flights from Great Falls to Heathrow with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Heathrow from Great Falls today and book when prices fit your budget.

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