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Cheap flights from Montgomery, Alabama to London Heathrow Airport from £471

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 29/11. Fares are subject to change and may not be available on all flights or dates of travel.
MGM — LHR
30 Nov — 7 Dec1
1 adult
1 adult, Economy, 0 bags

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 31 October 2025.

Round-trip from

£471
KLM
  • KLM
  • 29/11-9/12
  • 3 total stops
  • 28h 42m total
  • Montgomery to London
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Find flight deals from Montgomery to Heathrow

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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 31 October 2025.

Sat 29/1113:55MGM - LHR
1 stop11h 55mKLM
Tue 9/1211:45LHR - MGM
2 stops16h 47mKLM
Deal found 30/10£471
Sat 29/1113:55MGM - LHR
1 stop13h 05mKLM
Wed 10/1212:30LHR - MGM
1 stop16h 02mKLM
Deal found 30/10£493
Fri 28/1117:46MGM - LHR
1 stop12h 14mAmerican Airlines
Tue 9/1210:05LHR - MGM
1 stop17h 13mAmerican Airlines
Deal found 29/10£512
Fri 28/1112:27MGM - LHR
2 stops13h 13mKLM
Tue 9/1211:45LHR - MGM
2 stops16h 47mKLM
Deal found 29/10£516
Sun 14/1212:05MGM - LHR
2 stops16h 10mDelta
Fri 9/110:10LHR - MGM
2 stops17h 09mDelta
Deal found 30/10£553
Fri 14/1113:05MGM - LHR
1 stop16h 35mAmerican Airlines
Sat 6/1214:45LHR - MGM
1 stop15h 06mAmerican Airlines
Deal found 29/10£568
Sun 14/1213:59MGM - LHR
1 stop13h 01mKLM
Thu 8/108:55LHR - MGM
1 stop14h 24mKLM
Deal found 30/10£645
Sun 14/1213:59MGM - LHR
2 stops14h 16mDelta
Thu 8/110:10LHR - MGM
2 stops17h 09mDelta
Deal found 30/10£648

Cheapflights Fare Finder

 
Customise 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 858,174 searches. Data last updated 31 October 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

Sat 29/11

06:03-07:50

1 stop19h 47m

London Heathrow

Wed 10/12

10:00-22:32

2 stops18h 32m

£471

MontgomeryLondon

MGM - LHR

MGMLHR

Montgomery Dannelly Field

Sat 29/11

13:55-07:50

1 stop11h 55m

London Heathrow

Tue 9/12

11:45-22:32

2 stops16h 47m

£471

MontgomeryLondon

MGM - LHR

MGMLHR

Montgomery Dannelly Field

Fri 28/11

12:27-07:50

1 stop13h 23m

London Heathrow

Tue 9/12

11:45-22:32

2 stops16h 47m

£471

MontgomeryLondon

MGM - LHR

MGMLHR

Montgomery Dannelly Field

Sat 29/11

13:55-09:00

1 stop13h 05m

London Heathrow

Wed 10/12

12:30-22:32

1 stop16h 02m

£493

Flights are sorted by cheapest return flights first.

Deals found on 30/10

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 return 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, September is the cheapest month in which you can book a flight from Montgomery, Alabama to London Heathrow Airport (average of £435). Flying from Montgomery, Alabama to London Heathrow Airport in June is currently the most expensive (average of £942). 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?

    Located just 7.1 mi from the city center, Montgomery Dannelly Field is the airport most travelers will use when flying to London Heathrow from Montgomery. Booking flights from Dannelly Field (MGM) to London Heathrow should be relatively easy as there are 0 daily outbound flights to London Heathrow from 0 different airlines.

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

    Airlines like Delta and KLM fly from Montgomery, Alabama to London Heathrow Airport in about 11h 55m. The time it takes to get you to your destination can typically vary by up to 7h 52m. There are 4344 mi between Montgomery, Alabama and London Heathrow Airport. This flight may include one or multiple 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 holiday 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, September is the cheapest month in which you can book a flight from Montgomery, Alabama to London Heathrow Airport (average of £435). Flying from Montgomery, Alabama to London Heathrow Airport in June is currently the most expensive (average of £942). 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

Travelling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Milton Keynes
Croydon
Slough
Gatwick
Hounslow
Northampton
Luton
Ilford
Wembley
Deal
Hayes
Colchester
Watford
Winchester
Chichester
Swindon
Crawley
Romford
Brentford
Ipswich

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

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