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Cheap flights from Montgomery, Alabama to London from £449

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 20/4. Fares are subject to change and may not be available on all flights or dates of travel.
MGM — LON
29 Apr — 6 May1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Montgomery to London

Enter your travel dates to find the best prices.

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 30 March 2026.

Wed 13/513:00
MGM
-
LHR
2 stops24h 40m
United Airlines
Wed 20/517:40
LHR
-
MGM
2 stops48h 30m
United Airlines
Deal found 29/3£743
Wed 13/505:30
MGM
-
LHR
1 stop19h 25m
American Airlines
Wed 20/512:30
LHR
-
MGM
2 stops17h 15m
American Airlines
Deal found 29/3£747
Tue 5/517:55
MGM
-
LHR
1 stop14h 30m
American Airlines
Thu 14/508:55
LHR
-
MGM
1 stop14h 12m
American Airlines
Deal found 28/3£748
Tue 5/516:55
MGM
-
LHR
1 stop12h 40m
United Airlines
Thu 14/513:40
LHR
-
MGM
1 stop28h 30m
United Airlines
Deal found 25/3£749
Tue 31/306:32
MGM
-
LHR
1 stop22h 23m
Multiple Airlines
Wed 8/412:55
LHR
-
MGM
1 stop16h 22m
Multiple Airlines
Deal found 25/3£778
Mon 9/1116:55
MGM
-
LHR
1 stop35h 20m
United Airlines
Fri 13/1110:00
LHR
-
MGM
1 stop36h 22m
United Airlines
Deal found 29/3£779

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 30 March 2026.

Round-trip from

£743

One-way from

£449
United Airlines
  • United Airlines
  • 13/5-20/5
  • 4 total stops
  • 73h 10m total
  • Montgomery to London
Search Deals
20/4
  • 20/4
  • 1 total stop
  • 16h 19m total
  • Montgomery to London
Search Deals

Cheapflights Fare Finder

 
Customise 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 858,174 searches. Data last updated 30 March 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 return flight
Fastest return journey

MontgomeryLondon

MGM - LHR

MGMLHR

Montgomery Dannelly Field

Tue 5/5

17:55-14:25

1 stop14h 30m

London Heathrow

Thu 14/5

08:55-17:07

1 stop14h 12m

£748

MontgomeryLondon

MGM - LHR

MGMLHR

Montgomery Dannelly Field

Tue 5/5

16:55-11:35

1 stop12h 40m

London Heathrow

Thu 14/5

13:40-12:10

1 stop28h 30m

£749

MontgomeryLondon

MGM - LHR

MGMLHR

Montgomery Dannelly Field

Tue 14/4

13:00-10:40

2 stops15h 40m

London Heathrow

Wed 22/4

16:40-11:55

2 stops25h 15m

£817

MontgomeryLondon

MGM - LHR

MGMLHR

Montgomery Dannelly Field

Thu 16/4

13:00-11:35

1 stop16h 35m

London Heathrow

Thu 23/4

13:40-16:25

1 stop32h 45m

£852

MontgomeryLondon

MGM - LHR

MGMLHR

Montgomery Dannelly Field

Wed 15/4

13:00-07:45

1 stop12h 45m

London Heathrow

Sun 19/4

16:40-11:55

2 stops25h 15m

£854

MontgomeryLondon

MGM - LHR

MGMLHR

Montgomery Dannelly Field

Sun 7/6

13:00-10:40

2 stops15h 40m

London Heathrow

Sun 14/6

14:10-12:10

2 stops28h 00m

£960

MontgomeryLondon

MGM - LHR

MGMLHR

Montgomery Dannelly Field

Sat 11/4

05:30-06:55

1 stop19h 25m

London Heathrow

Sat 18/4

14:10-23:45

2 stops15h 35m

£988

MontgomeryLondon

MGM - LHR

MGMLHR

Montgomery Dannelly Field

Mon 22/6

16:51-07:40

1 stop32h 49m

London Heathrow

Mon 13/7

15:05-12:40

2 stops51h 35m

£1,062
Cheapest one-way

MontgomeryLondon

MGM - LHR

MGMLHR

Montgomery Dannelly Field

Mon 20/4

12:36-10:55

1 stop16h 19m

£449
Fastest single journey

MontgomeryLondon

MGM - LHR

MGMLHR

Montgomery Dannelly Field

Mon 20/4

12:56-09:05

1 stop14h 09m

£467

Flights are sorted by cheapest return flights first.

Deals found on 26/3

Sorted by cheapest first

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 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

What’s the top stopover airport for flights from Montgomery, Alabama to London?

Share of one-stop return flights from Montgomery, Alabama to London chosen by Cheapflights users in the past 12 months, using the same stopover each way.

Atlanta (ATL) – chosen by Cheapflights users on 67% of one-stop itineraries from Montgomery, Alabama to London on Cheapflights.

What’s the cheapest stopover airport for flights from Montgomery, Alabama to London?

Average return fare for one-stop flights from Montgomery, Alabama to London, chosen by Cheapflights users in the past 12 months, with the same stopover each way.

Dallas (DFW) is the most affordable one-stop option, with an average return flight price of £709.

What’s the fastest stopover option from Montgomery, Alabama to London?

Shortest average travel time for one-stop one-way flights from Montgomery, Alabama to London, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.

Flights via Atlanta (ATL) have the shortest average one-way travel time for one-stop routes: 12h 09m.

Which airport typically offers the quickest stopover for flights from Montgomery, Alabama to London?

Average stopover duration for one-stop one-way flights from Montgomery, Alabama to London, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Dallas (DFW) offer the fastest connection on this route, with an average stopover time of 1h 48m.

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?

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

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

    A quick flight from Montgomery, Alabama to London can take about 12h 40m. American Airlines provides one of the quickest options available for as low as £749. The distance between Montgomery, Alabama and London is about 4344 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • 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 holiday 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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