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$840+ Cheap flights from Montgomery, AL (MGM) to London (LON)

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 4/29. Fares are subject to change and may not be available on all flights or dates of travel.
MGM — LON
Apr 17 — Apr 241
Fri 4/17
Fri 4/24
1 adult, Economy
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Cheap flight deals from Montgomery to London

Cheapest flights from Montgomery to London
Explore the most affordable flight options available from Montgomery to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 18, 2026.

This United Airlines deal was found by Cheapflights users on 3/15. 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.
Wed 4/295:00 pm
MGM
-
LHR
1 stop12h 35m
United Airlines
Wed 5/67:30 am
LHR
-
MGM
2 stops38h 50m
United Airlines
Deal found 3/15$840
This United Airlines deal was found by Cheapflights users on 3/14. 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.
Tue 5/51:00 pm
MGM
-
LHR
1 stop12h 40m
United Airlines
Thu 5/141:40 pm
LHR
-
MGM
1 stop28h 30m
United Airlines
Deal found 3/14$858
This United Airlines deal was found by Cheapflights users on 3/16. 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.
Mon 4/135:00 pm
MGM
-
LHR
1 stop32h 55m
United Airlines
Wed 4/293:05 pm
LHR
-
MGM
2 stops55h 15m
United Airlines
Deal found 3/16$885
This United Airlines deal was found by Cheapflights users on 3/15. 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.
Fri 9/44:55 pm
MGM
-
LHR
1 stop32h 45m
United Airlines
Fri 9/182:10 pm
LHR
-
MGM
2 stops28h 34m
United Airlines
Deal found 3/15$893
This American Airlines deal was found by Cheapflights users on 3/16. 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.
Tue 5/51:42 pm
MGM
-
LHR
2 stops13h 43m
American Airlines
Thu 5/149:15 am
LHR
-
MGM
1 stop20h 30m
American Airlines
Deal found 3/16$897
This United Airlines deal was found by Cheapflights users on 3/16. 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.
Thu 4/304:55 pm
MGM
-
LHR
1 stop12h 40m
United Airlines
Thu 5/71:40 pm
LHR
-
MGM
1 stop28h 30m
United Airlines
Deal found 3/16$908

Find flight deals from Montgomery to London

Discover tips and strategies to find the most affordable flight options for your journey from Montgomery (MGM) 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 March 18, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$840
(United Airlines)
Provider with most accurate pricing for Montgomery Dannelly Field-London (LON) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Montgomery Dannelly Field-London (LON) flights.
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From Montgomery Dannelly Field to London (LON)
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Montgomery 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 2,558,603 searches. Data last updated March 18, 2026.
Use the filters below to find and compare flights from Montgomery to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MontgomeryLondon

MGM - LHR

MGMLHR

Montgomery Dannelly Field

Wed 4/29

1:00 pm-10:40 am

2 stops15h 40m

London Heathrow

Wed 5/6

9:30 am-12:10 pm

2 stops32h 40m

$844

MontgomeryLondon

MGM - LHR

MGMLHR

Montgomery Dannelly Field

Tue 5/5

1:00 pm-7:40 am

1 stop12h 40m

London Heathrow

Thu 5/14

1:40 pm-12:10 pm

1 stop28h 30m

$858

MontgomeryLondon

MGM - LHR

MGMLHR

Montgomery Dannelly Field

Thu 4/30

4:55 pm-7:40 am

1 stop32h 45m

London Heathrow

Thu 5/7

3:00 pm-4:20 pm

2 stops55h 20m

$885

MontgomeryLondon

MGM - LHR

MGMLHR

Montgomery Dannelly Field

Fri 9/4

4:55 pm-7:40 am

1 stop32h 45m

London Heathrow

Fri 9/18

2:10 pm-12:44 pm

2 stops28h 34m

$893

MontgomeryLondon

MGM - LHR

MGMLHR

Montgomery Dannelly Field

Tue 5/5

1:42 pm-9:25 am

2 stops13h 43m

London Heathrow

Thu 5/14

9:15 am-11:45 pm

1 stop20h 30m

$897
Quickest round-trip

MontgomeryLondon

MGM - LHR

MGMLHR

Montgomery Dannelly Field

Wed 5/13

12:56 pm-7:45 am

2 stops12h 49m

London Heathrow

Wed 5/20

9:15 am-11:45 pm

1 stop20h 30m

$946

MontgomeryLondon

MGM - LHR

MGMLHR

Montgomery Dannelly Field

Sat 5/2

1:00 pm-10:00 am

2 stops39h 00m

London Heathrow

Sat 5/9

3:30 pm-12:10 pm

2 stops50h 40m

$962

MontgomeryLondon

MGM - LHR

MGMLHR

Montgomery Dannelly Field

Fri 7/31

5:55 pm-11:20 am

1 stop11h 25m

London Heathrow

Sat 9/5

11:15 am-2:30 pm

1 stop33h 15m

$1,063

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/15

Sorted by cheapest first

Compare providers for flights from Montgomery to London

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Montgomery to London in March.
ProviderPrice AccuracyTrust Score*
OvagoPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Montgomery, Alabama-London flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Montgomery, Alabama-London flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Montgomery, Alabama-London flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Montgomery, Alabama-London flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Montgomery, Alabama-London flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Montgomery to London

Have a flexible travel schedule? Discover the best time to fly to London from Montgomery 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 Montgomery to London
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Montgomery 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 Montgomery to London?

    Most people fly from Montgomery Dannelly Field (MGM) if they book a flight from Montgomery to London. On average, Dannelly Field has 0 outbound flights to London per day from 0 airlines. Montgomery Dannelly Field is conveniently located just 7.1 mi from Montgomery’s city center.

  • How long is the flight from Montgomery, Alabama to London?

    Airlines like United Airlines fly from Montgomery, Alabama to London in about 12h 35m. The time it takes to get you to your destination can typically vary by up to . Montgomery, Alabama and London are separated by a distance of 4344 mi.

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

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

  • How can I find direct flights from Montgomery to London?

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

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

    Yes. Cheapflights offers flight deals from Montgomery 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.

See more FAQs

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