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Cheap flights from Montgomery, Alabama to London Heathrow Airport from £266

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 2/10. Fares are subject to change and may not be available on all flights or dates of travel.
MGM — LHR
31 May — 7 Jun1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Montgomery to Heathrow

Enter your travel dates to find the best prices.

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 1 May 2026.

Fri 31/716:51
MGM
-
LHR
1 stop33h 04m
United Airlines
Fri 28/815:05
LHR
-
MGM
2 stops51h 39m
United Airlines
Deal found 26/4£711
Sat 15/816:55
MGM
-
LHR
1 stop32h 50m
United Airlines
Sat 22/814:05
LHR
-
MGM
2 stops52h 39m
United Airlines
Deal found 28/4£714
Fri 31/707:00
MGM
-
LHR
1 stop20h 00m
American Airlines
Fri 28/813:00
LHR
-
MGM
2 stops15h 32m
American Airlines
Deal found 29/4£732
Fri 31/709:53
MGM
-
LHR
2 stops14h 27m
Delta
Fri 28/806:30
LHR
-
MGM
2 stops16h 45m
Delta
Deal found 29/4£756
Sat 15/805:23
MGM
-
LHR
1 stop19h 32m
American Airlines
Sat 22/810:05
LHR
-
MGM
1 stop18h 26m
American Airlines
Deal found 28/4£765
Fri 2/1013:00
MGM
-
LHR
2 stops15h 40m
United Airlines
Tue 13/1018:00
LHR
-
MGM
2 stops23h 55m
United Airlines
Deal found 29/4£776

Find 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 1 May 2026.

Round-trip from

£711

One-way from

£266
United Airlines
  • United Airlines
  • 31/7-28/8
  • 3 total stops
  • 84h 43m total
  • Montgomery to London
Search Deals
United Airlines
  • United Airlines
  • 2/10
  • 2 total stops
  • 46h 25m total
  • Montgomery to London
Search Deals

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 1 May 2026.
Use the filters below to find and compare flights from Montgomery to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

MontgomeryLondon

MGM - LHR

MGMLHR

Montgomery Dannelly Field

Fri 31/7

16:51-07:55

1 stop33h 04m

London Heathrow

Fri 28/8

15:05-12:44

2 stops51h 39m

£711
Fastest return journey

MontgomeryLondon

MGM - LHR

MGMLHR

Montgomery Dannelly Field

Fri 2/10

13:00-10:40

2 stops15h 40m

London Heathrow

Tue 13/10

18:00-11:55

2 stops23h 55m

£776

MontgomeryLondon

MGM - LHR

MGMLHR

Montgomery Dannelly Field

Wed 13/5

16:55-11:35

1 stop12h 40m

London Heathrow

Thu 21/5

08:30-12:10

2 stops33h 40m

£788

MontgomeryLondon

MGM - LHR

MGMLHR

Montgomery Dannelly Field

Mon 6/7

13:20-20:40

2 stops25h 20m

London Heathrow

Wed 22/7

08:30-12:40

2 stops34h 10m

£825

MontgomeryLondon

MGM - LHR

MGMLHR

Montgomery Dannelly Field

Thu 11/6

16:51-06:55

2 stops32h 04m

London Heathrow

Thu 18/6

15:00-12:10

2 stops51h 10m

£952
Cheapest one-way

MontgomeryLondon

MGM - LHR

MGMLHR

Montgomery Dannelly Field

Fri 2/10

16:55-21:20

2 stops46h 25m

£266
Fastest single journey

MontgomeryLondon

MGM - LHR

MGMLHR

Montgomery Dannelly Field

Fri 2/10

07:39-06:55

1 stop17h 16m

£294

MontgomeryLondon

MGM - LHR

MGMLHR

Montgomery Dannelly Field

Sun 28/6

16:51-08:35

3 stops33h 44m

£700

Flights are sorted by cheapest return flights first.

Deals found on 29/4

Sorted by cheapest first

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

Share of one-stop return flights from Montgomery, Alabama to London Heathrow Airport 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 Heathrow Airport on Cheapflights.

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

Average return fare for one-stop flights from Montgomery, Alabama to London Heathrow Airport, 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 £694.

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

Shortest average travel time for one-stop one-way flights from Montgomery, Alabama to London Heathrow Airport, 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 Heathrow Airport?

Average stopover duration for one-stop one-way flights from Montgomery, Alabama to London Heathrow Airport, 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 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 United Airlines fly from Montgomery, Alabama to London Heathrow Airport in about 33h 04m. The time it takes to get you to your destination can typically vary by up to . There are 4344 mi between Montgomery, Alabama and London Heathrow Airport.

  • 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.

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
Wembley
Croydon
Northampton
Hounslow
Luton
Gatwick
Ilford
Slough
Hayes
Brentford
Colchester
Romford
Watford
Kingston upon Thames
Eastbourne
Swindon
Ipswich
Southend-on-Sea
Guildford

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How does Cheapflights help users find flights from Montgomery to Heathrow?

Deals for Montgomery to Heathrow flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Montgomery to Heathrow?

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

Yes! Cheapflights helps users easily find flights from Montgomery to Heathrow with no change fees.

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Not ready to book yet? You can track prices for flights from Montgomery to Heathrow on Cheapflights with our Price Alert feature and get notified when better prices are available.

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