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Cheap flights from Montgomery, Alabama to London Heathrow Airport from £542

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 28/11. Fares are subject to change and may not be available on all flights or dates of travel.
MGM — LHR
18 Jun — 25 Jun1
1 adult

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 13 June 2025.

Round-trip from

£542

Popular in

March

Cheapest in

November

Average price

£1,437
Delta
  • Delta
  • 28/11-9/12
  • 3 total stops
  • 28h 46m total
  • Montgomery to London
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (£123 potential increase over avg. return price).
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Cheapest flight prices on average. 8% potential price decrease (£50 potential savings vs. average return price).
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Average for round-trip flights in June 2025
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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 13 June 2025.

Fri 28/1117:55MGM - LHR
1 stop11h 45mDelta
Tue 9/1211:30LHR - MGM
2 stops17h 01mDelta
Deal found 11/6£542
Sat 29/1113:24MGM - LHR
1 stop16h 51mMultiple Airlines
Tue 9/1214:55LHR - MGM
1 stop13h 43mMultiple Airlines
Deal found 12/6£548
Sat 29/1113:24MGM - LHR
1 stop16h 51mAmerican Airlines
Wed 10/1215:25LHR - MGM
2 stops13h 54mAmerican Airlines
Deal found 12/6£552
Wed 17/914:30MGM - LHR
1 stop10h 15mKLM
Wed 24/909:20LHR - MGM
1 stop13h 54mKLM
Deal found 11/6£563
Thu 9/1012:30MGM - LHR
2 stops14h 45mVirgin Atlantic
Mon 13/1011:45LHR - MGM
2 stops16h 46mVirgin Atlantic
Deal found 11/6£565

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 13 June 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 28/11

17:55-11:40

1 stop11h 45m

London Heathrow

Tue 9/12

11:30-22:31

2 stops17h 01m

£542

MontgomeryLondon

MGM - LHR

MGMLHR

Montgomery Dannelly Field

Sat 29/11

13:24-12:15

1 stop16h 51m

London Heathrow

Tue 9/12

14:55-22:38

1 stop13h 43m

£548

MontgomeryLondon

MGM - LHR

MGMLHR

Montgomery Dannelly Field

Sat 29/11

13:24-12:15

1 stop16h 51m

London Heathrow

Wed 10/12

15:25-23:19

2 stops13h 54m

£552

MontgomeryLondon

MGM - LHR

MGMLHR

Montgomery Dannelly Field

Wed 17/9

14:30-06:45

1 stop10h 15m

London Heathrow

Wed 24/9

09:20-17:14

1 stop13h 54m

£563

MontgomeryLondon

MGM - LHR

MGMLHR

Montgomery Dannelly Field

Thu 9/10

12:30-09:15

2 stops14h 45m

London Heathrow

Mon 13/10

11:45-22:31

2 stops16h 46m

£565

Flights are sorted by cheapest return flights first.

Deals found on 11/6

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, January is the cheapest month in which you can book a flight from Montgomery, Alabama to London Heathrow Airport (average of £112). Flying from Montgomery, Alabama to London Heathrow Airport in August is currently the most expensive (average of £164). 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.

Rainfall in Heathrow by month

Plan your trip to Heathrow by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in London Heathrow Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.

Temperature in Heathrow by month

Plan your trip to Heathrow by taking into account the average temperature totals by month.

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Heathrow. Reviews last updated 13 June 2025.
Peruse reviews from past customers who have flown with Delta, KLM and Virgin Atlantic from Montgomery to London to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very Good
7,950 reviews
Check prices

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very Good
7,950 reviews
Delta
8.0
Very Good
7,950 reviews
Check prices

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,358 reviews
Delta
8.0
Very Good
7,950 reviews
Check prices

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Virgin Atlantic
7.4
Good
652 reviews
Delta
8.0
Very Good
7,950 reviews
Check prices

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very Good
7,950 reviews
Check prices

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

  • What are the cheapest airlines flying from Montgomery, Alabama to London Heathrow Airport round-trip?

    Flying on Delta is currently your cheapest option to London Heathrow Airport, with prices starting at £542. Additional return tickets that might be worth considering are offered by American Airlines and KLM, with the lowest prices starting at £552 and £563, respectively. You may be able to fly from Montgomery, Alabama to London Heathrow Airport for 39% less than the average price by searching for these airlines.

  • 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, January is the cheapest month in which you can book a flight from Montgomery, Alabama to London Heathrow Airport (average of £112). Flying from Montgomery, Alabama to London Heathrow Airport in August is currently the most expensive (average of £164). 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 Montgomery?

Book flights to Montgomery if you plan to visit one of these locations
Deal
Hounslow
Croydon
Milton Keynes
Northampton
Gatwick
Luton
Slough
Wembley
Crawley
Eastbourne
Ilford
Southend-on-Sea
Watford
Hayes
Ipswich
Winchester
Folkestone
Maidstone
Swindon

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