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Cheap flights from Great Falls (GTF) to Heathrow (LHR) from $594

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 9/8. 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
May 13 — May 201
From?
To?
Mon 5/13
Mon 5/20
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 May 8, 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.

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 2,749,864 searches. Data last updated May 8, 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.
Fri 8/237:00 amGTF - LHR
2 stops20h 00mUnited Airlines
Tue 8/272:50 pmLHR - GTF
1 stop29h 36mUnited Airlines
Deal found 5/6$768
Fri 8/237:00 amGTF - LHR
2 stops20h 00mUnited Airlines
Tue 8/278:30 amLHR - GTF
2 stops19h 47mUnited Airlines
Deal found 5/6$772
Fri 8/167:00 amGTF - LHR
2 stops17h 40mUnited Airlines
Fri 9/278:30 amLHR - GTF
2 stops20h 17mUnited Airlines
Deal found 5/7$857
Sat 6/12:25 pmGTF - LHR
2 stops33h 20mUnited Airlines
Tue 6/113:50 pmLHR - GTF
2 stops36h 13mUnited Airlines
Deal found 5/6$918
Sat 6/112:30 pmGTF - LHR
2 stops35h 15mUnited Airlines
Tue 6/112:50 pmLHR - GTF
1 stop13h 13mUnited Airlines
Deal found 5/6$934
Sat 6/12:25 pmGTF - LHR
2 stops36h 10mUnited Airlines
Mon 6/102:05 pmLHR - GTF
2 stops37h 58mUnited Airlines
Deal found 5/6$955
Sat 6/16:45 amGTF - LHR
1 stop19h 55mUnited Airlines
Tue 6/1111:05 amLHR - GTF
1 stop33h 13mUnited Airlines
Deal found 5/6$970
Sat 6/12:25 pmGTF - LHR
2 stops33h 10mUnited Airlines
Mon 6/102:50 pmLHR - GTF
1 stop13h 13mUnited Airlines
Deal found 5/6$977
Sat 6/16:45 amGTF - LHR
1 stop19h 55mUnited Airlines
Mon 6/1011:05 amLHR - GTF
1 stop16h 58mUnited Airlines
Deal found 5/6$1,020

Cheap KLM flights from Great Falls to Heathrow

Explore cheap flight options specifically provided by KLM 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 2,749,864 searches. Data last updated May 8, 2024.
Some of the lowest-priced KLM flights we've found at this time heading from Great Falls to London. Deals are refreshing constantly so come back soon for more options.
Tue 10/112:30 pmGTF - LHR
1 stop14h 30mKLM
Thu 10/109:20 amLHR - GTF
1 stop20h 31mKLM
Deal found 5/7$789
Fri 8/1612:30 pmGTF - LHR
1 stop14h 30mKLM
Fri 9/279:20 amLHR - GTF
1 stop20h 31mKLM
Deal found 5/7$842
Sat 8/1712:30 pmGTF - LHR
1 stop14h 30mKLM
Wed 8/2111:00 amLHR - GTF
1 stop18h 33mKLM
Deal found 5/6$1,587

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 2,749,864 searches. Data last updated May 8, 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.
Fri 8/237:00 amGTF - LHR
2 stops20h 00mUnited Airlines
Tue 8/272:50 pmLHR - GTF
1 stop29h 36mUnited Airlines
Deal found 5/6$768
Fri 8/237:00 amGTF - LHR
2 stops20h 00mUnited Airlines
Tue 8/278:30 amLHR - GTF
2 stops19h 47mUnited Airlines
Deal found 5/6$772
Fri 8/232:30 pmGTF - LHR
1 stop12h 10mUnited Airlines
Tue 8/278:30 amLHR - GTF
2 stops19h 47mUnited Airlines
Deal found 5/7$773
Tue 10/15:55 amGTF - LHR
1 stop21h 05mDelta
Thu 10/106:15 amLHR - GTF
2 stops17h 35mDelta
Deal found 5/7$782
Tue 10/112:30 pmGTF - LHR
2 stops17h 45mDelta
Thu 10/106:15 amLHR - GTF
2 stops23h 22mDelta
Deal found 5/7$786
Tue 10/112:30 pmGTF - LHR
1 stop14h 30mKLM
Thu 10/109:20 amLHR - GTF
1 stop20h 31mKLM
Deal found 5/7$789
Fri 8/165:55 amGTF - LHR
1 stop21h 05mDelta
Fri 9/2711:45 amLHR - GTF
2 stops17h 52mDelta
Deal found 5/7$837
Fri 8/1612:30 pmGTF - LHR
1 stop14h 30mKLM
Fri 9/279:20 amLHR - GTF
1 stop20h 31mKLM
Deal found 5/7$842
Fri 8/167:00 amGTF - LHR
2 stops17h 40mUnited Airlines
Fri 9/278:30 amLHR - GTF
2 stops20h 17mUnited Airlines
Deal found 5/7$857

One-way flights to Heathrow from Great Falls

Search for one-way flight options from Great Falls to Heathrow. 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 2,749,864 searches. Data last updated May 8, 2024.
If you're seeking multiple options on one-way flights from Great Falls to London, be sure to check out these deals, which are updated often. Users needing a return flight from Great Falls to London should utilize the search form above.
Sun 9/87:00 amGTF - LHR
2 stops20h 40mUnited Airlines
Deal found 5/7$594
Sun 6/237:02 amGTF - LHR
3 stops56h 38mMultiple Airlines
Deal found 5/7$675
Sun 9/86:00 amGTF - LHR
1 stop18h 15mDelta
Deal found 5/7$714
Sun 6/237:02 amGTF - LHR
2 stops46h 03mMultiple Airlines
Deal found 5/7$724
Sun 6/236:45 amGTF - LHR
1 stop19h 55mUnited Airlines
Deal found 5/7$763

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 2,749,864 searches. Data last updated May 8, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$761 - $1,580

Route

Depart

Return

Price

Great FallsLondon Heathrow

GTF - LHR

GTFLHR

Great Falls

Fri 8/23

1 stop21h 05m

London Heathrow

Tue 8/27

2 stops17h 35m

$761

Great FallsLondon Heathrow

GTF - LHR

GTFLHR

Great Falls

Fri 8/23

2 stops22h 15m

London Heathrow

Tue 8/27

2 stops17h 35m

$765

Great FallsLondon Heathrow

GTF - LHR

GTFLHR

Great Falls

Fri 8/23

2 stops20h 00m

London Heathrow

Tue 8/27

1 stop29h 36m

$768

Great FallsLondon Heathrow

GTF - LHR

GTFLHR

Great Falls

Fri 8/23

2 stops20h 00m

London Heathrow

Tue 8/27

2 stops19h 47m

$772

Great FallsLondon Heathrow

GTF - LHR

GTFLHR

Great Falls

Tue 10/1

1 stop21h 05m

London Heathrow

Thu 10/10

2 stops17h 35m

$782

Great FallsLondon Heathrow

GTF - LHR

GTFLHR

Great Falls

Tue 10/1

1 stop14h 30m

London Heathrow

Thu 10/10

1 stop20h 31m

$789

Great FallsLondon Heathrow

GTF - LHR

GTFLHR

Great Falls

Fri 8/16

1 stop14h 30m

London Heathrow

Fri 9/27

1 stop20h 31m

$842

Great FallsLondon Heathrow

GTF - LHR

GTFLHR

Great Falls

Sat 8/17

2 stops21h 09m

London Heathrow

Wed 8/21

2 stops25h 26m

$1,117

Great FallsLondon Heathrow

GTF - LHR

GTFLHR

Great Falls

Sat 8/17

1 stop14h 30m

London Heathrow

Wed 8/21

2 stops17h 35m

$1,580

Flights are sorted by cheapest first

Deals found on 5/5

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 May 5, 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 mornings flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

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 $694 while a round-trip flight costs $908. 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 $1,158). 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

$673

February

$663

March

$715

April

$692

May

$735

June

$1,158

July

$980

August

$776

September

$743

October

$710

November

$653

December

$671

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 May 8, 2024.
Peruse reviews from past customers who have flown with United Airlines, KLM and Delta 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
10,810 reviews
Check prices

Overall

8.1

Crew

8.6

Entertainment

8.0

Comfort

7.9

Boarding

8.2

Food

7.4

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.

Delta
8.1
Very good
10,810 reviews
Delta
8.1
Very good
10,810 reviews
Check prices

Overall

8.1

Crew

8.6

Entertainment

8.0

Comfort

7.9

Boarding

8.2

Food

7.4

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.

KLM
7.9
Good
1,598 reviews
Delta
8.1
Very good
10,810 reviews
Check prices

Overall

8.1

Crew

8.6

Entertainment

8.0

Comfort

7.9

Boarding

8.2

Food

7.4

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.

Air France
7.5
Good
1,779 reviews
Delta
8.1
Very good
10,810 reviews
Check prices

Overall

8.1

Crew

8.6

Entertainment

8.0

Comfort

7.9

Boarding

8.2

Food

7.4

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.

United Airlines
7.4
Good
11,073 reviews
Delta
8.1
Very good
10,810 reviews
Check prices

Overall

8.1

Crew

8.6

Entertainment

8.0

Comfort

7.9

Boarding

8.2

Food

7.4

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 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 $800 on Cheapflights?

    Yes, there are multiple flights from Great Falls to London Heathrow Airport for under $800. The cheapest flight booked recently is on Delta for just $761, but on average you can expect to pay $974.

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

    Currently priced at $761, Delta will fly you from Great Falls to London Heathrow Airport and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from United Airlines and KLM - these airlines can fly you to your destination from $768 and $789, 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 5/7.

See more FAQs

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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 2,749,864 searches. Data last updated May 8, 2024.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$636Average$840FlexibilityNo 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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