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$491+ Cheap flights from Montgomery, AL (MGM) to Heathrow (LHR)

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 10/25. Fares are subject to change and may not be available on all flights or dates of travel.
MGM — LHR
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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Cheap flight deals from Montgomery to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Montgomery (MGM) 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 September 16, 2025.

Round-trip from

$618
(Delta)

One-way from

$491
(American Airlines)
From Montgomery Dannelly Field to London Heathrow
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One-way flight from Montgomery Dannelly Field to London Heathrow
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Find flight deals from Montgomery to Heathrow

Cheapest flights from Montgomery to Heathrow
Explore the most affordable flight options available from Montgomery to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2025.

This Delta deal was found by Cheapflights users on 9/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/286:03 amMGM - LHR
1 stop20h 57mDelta
Tue 12/98:55 amLHR - MGM
2 stops19h 37mDelta
Deal found 9/16$618
This Delta deal was found by Cheapflights users on 9/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/291:55 pmMGM - LHR
1 stop10h 30mDelta
Wed 12/108:55 amLHR - MGM
2 stops19h 37mDelta
Deal found 9/16$619
This KLM deal was found by Cheapflights users on 9/16. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/291:55 pmMGM - LHR
1 stop13h 05mKLM
Tue 12/93:50 pmLHR - MGM
1 stop22h 36mKLM
Deal found 9/16$626
This KLM deal was found by Cheapflights users on 9/15. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/2911:52 amMGM - LHR
1 stop13h 58mKLM
Wed 12/108:55 amLHR - MGM
1 stop19h 37mKLM
Deal found 9/15$666
This American Airlines deal was found by Cheapflights users on 9/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/31:55 pmMGM - LHR
1 stop13h 10mAmerican Airlines
Fri 10/1011:00 amLHR - MGM
1 stop12h 42mAmerican Airlines
Deal found 9/15$721
This Delta deal was found by Cheapflights users on 9/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/32:00 pmMGM - LHR
2 stops13h 15mDelta
Fri 10/106:30 amLHR - MGM
2 stops17h 14mDelta
Deal found 9/15$902

Cheapflights Fare Finder

 
Customize your flight search to find flights from Montgomery 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 2,558,603 searches. Data last updated September 16, 2025.
Use the filters below to find and compare flights from Montgomery to London Heathrow Airport that are best for you.

Fly from

Montgomery

Fly to

Heathrow

Route

Depart

Return

Price

MontgomeryLondon

MGM - LHR

MGMLHR

Montgomery Dannelly Field

Fri 11/28

6:03 am-9:00 am

1 stop20h 57m

London Heathrow

Tue 12/9

8:55 am-10:32 pm

2 stops19h 37m

$618

MontgomeryLondon

MGM - LHR

MGMLHR

Montgomery Dannelly Field

Sat 11/29

1:55 pm-6:25 am

1 stop10h 30m

London Heathrow

Wed 12/10

8:55 am-10:32 pm

2 stops19h 37m

$619

MontgomeryLondon

MGM - LHR

MGMLHR

Montgomery Dannelly Field

Sat 11/29

1:55 pm-9:00 am

1 stop13h 05m

London Heathrow

Tue 12/9

3:50 pm-8:26 am

1 stop22h 36m

$626

MontgomeryLondon

MGM - LHR

MGMLHR

Montgomery Dannelly Field

Sat 11/29

1:55 pm-7:50 am

1 stop11h 55m

London Heathrow

Wed 12/10

3:50 pm-10:32 pm

1 stop12h 42m

$626

MontgomeryLondon

MGM - LHR

MGMLHR

Montgomery Dannelly Field

Fri 11/28

12:30 pm-7:50 am

1 stop13h 20m

London Heathrow

Tue 12/9

8:55 am-5:40 pm

1 stop14h 45m

$626

MontgomeryLondon

MGM - LHR

MGMLHR

Montgomery Dannelly Field

Sat 11/29

9:07 am-9:00 am

1 stop17h 53m

London Heathrow

Tue 12/9

6:30 am-10:32 pm

2 stops22h 02m

$659

MontgomeryLondon

MGM - LHR

MGMLHR

Montgomery Dannelly Field

Sat 10/25

1:02 pm-8:00 am

2 stops12h 58m

$491

MontgomeryLondon

MGM - LHR

MGMLHR

Montgomery Dannelly Field

Thu 11/20

5:46 pm-12:00 pm

1 stop12h 14m

$564

MontgomeryLondon

MGM - LHR

MGMLHR

Montgomery Dannelly Field

Thu 11/20

9:07 am-7:05 am

2 stops15h 58m

$604

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Best time to book a flight from Montgomery to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow 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 Heathrow Airport

What is the cheapest month to book a flight from Montgomery, Alabama to London Heathrow Airport?

Currently, November is the cheapest month in which you can book a flight from Montgomery, Alabama to London Heathrow Airport (average of $661). Flying from Montgomery, Alabama to London Heathrow Airport in June is currently the most expensive (average of $1,097). 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.

Related info for your journey

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

    Montgomery Dannelly Field (MGM), located 7.1 mi from the city center, is the airport you fly out of when you book flights from Montgomery to London Heathrow. 0 airlines have flights from Dannelly Field to London Heathrow on a regular basis. Booking flights from Montgomery Dannelly Field to London Heathrow should not be difficult; the airport handles an average of 0 outbound flights to London Heathrow per day.

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

    For as low as $626, Delta can have you in London Heathrow Airport from Montgomery, Alabama in 13h 05m. Montgomery, Alabama and London Heathrow Airport are separated by a distance of 4344 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Montgomery 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.

  • What is the cheapest month to book a flight from Montgomery, Alabama to London Heathrow Airport?

    Currently, November is the cheapest month in which you can book a flight from Montgomery, Alabama to London Heathrow Airport (average of $661). Flying from Montgomery, Alabama to London Heathrow Airport in June is currently the most expensive (average of $1,097). 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

Traveling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Hounslow
Hayes
Southend-on-Sea
Harrow
Canterbury
Croydon
Eastleigh
Dartford
Dover
Winchester
Orpington
Northampton
Gatwick
Borehamwood
Broadway
Aylesbury
Bedford
Wembley
Folkestone
Chichester

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