HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Heathrow

$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 10/23. Fares are subject to change and may not be available on all flights or dates of travel.
MGM — LHR
Jul 5 — Jul 121
Sat 7/5
Sat 7/12
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Montgomery to Heathrow with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 June 30, 2025.

Round-trip from

$698
(American Airlines)

One-way from

$491
(American Airlines)

Popular in

March

Cheapest in

November

Average price

$1,953
From Montgomery Dannelly Field to London Heathrow
Search Deals
One-way flight from Montgomery Dannelly Field to London Heathrow
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($228 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($91 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2025
Search Deals

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 June 30, 2025.

This American Airlines deal was found by Cheapflights users on 6/28. 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.
Tue 8/125:43 pmMGM - LHR
1 stop14h 42mAmerican Airlines
Tue 8/193:10 pmLHR - MGM
1 stop14h 02mAmerican Airlines
Deal found 6/28$698
This British Airways deal was found by Cheapflights users on 6/29. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/291:24 pmMGM - LHR
1 stop16h 51mMultiple Airlines
Tue 12/92:55 pmLHR - MGM
1 stop13h 43mMultiple Airlines
Deal found 6/29$748
This Delta deal was found by Cheapflights users on 6/29. 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 11/2912:30 pmMGM - LHR
2 stops17h 45mDelta
Tue 12/96:20 amLHR - MGM
2 stops22h 11mDelta
Deal found 6/29$900
This WestJet deal was found by Cheapflights users on 6/29. 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 WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1312:28 pmMGM - LHR
2 stops41h 37mWestJet
Wed 8/202:10 pmLHR - MGM
2 stops24h 37mWestJet
Deal found 6/29$7,424

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 June 30, 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

Tue 8/12

5:43 pm-2:25 pm

1 stop14h 42m

London Heathrow

Tue 8/19

3:10 pm-11:12 pm

1 stop14h 02m

$698

MontgomeryLondon

MGM - LHR

MGMLHR

Montgomery Dannelly Field

Sat 11/29

1:24 pm-12:15 pm

1 stop16h 51m

London Heathrow

Wed 12/10

2:55 pm-10:38 pm

1 stop13h 43m

$748

MontgomeryLondon

MGM - LHR

MGMLHR

Montgomery Dannelly Field

Sat 11/29

12:30 pm-12:15 pm

2 stops17h 45m

London Heathrow

Tue 12/9

6:20 am-10:31 pm

2 stops22h 11m

$900

MontgomeryLondon

MGM - LHR

MGMLHR

Montgomery Dannelly Field

Wed 8/13

12:28 pm-12:05 pm

2 stops41h 37m

London Heathrow

Wed 8/20

2:10 pm-8:47 am

2 stops24h 37m

$7,424

MontgomeryLondon

MGM - LHR

MGMLHR

Montgomery Dannelly Field

Thu 10/23

1:02 pm-7:40 am

1 stop12h 38m

$491

MontgomeryLondon

MGM - LHR

MGMLHR

Montgomery Dannelly Field

Thu 10/23

2:30 pm-10:15 am

2 stops13h 45m

$518

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/30

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 $1,098). 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.

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 June 30, 2025.
Read reviews from past customers who have flown Delta, KLM, and American Airlines from Montgomery to London Heathrow Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,969 reviews

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.3

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
7,969 reviews
Delta
8.0
Very good
7,969 reviews

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.3

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
1,366 reviews
Delta
8.0
Very good
7,969 reviews

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.3

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
7,969 reviews

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.3

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!
WestJet
7.2
Good
2,908 reviews
Delta
8.0
Very good
7,969 reviews

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.3

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?

    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. 1 airline 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.

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

    According to our current data, American Airlines ($698), Delta ($900), and WestJet ($7,424) offers the cheapest pricing from Montgomery, Alabama to London Heathrow Airport. American Airlines is 42% cheaper than the average price of flights available within the next 90 days to this destination.

  • 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 $1,098). 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 Montgomery?

Book flights to Montgomery if you plan to visit one of these locations
Hayes
Hounslow
Thornton Heath
Canterbury
Harrow
Dover
Stratford-upon-Avon
Gatwick
Orpington
Watford
Northampton
Croydon
Folkestone
Borehamwood
Broadway
Aylesbury
Chelmsford
Brentwood
Chichester
Swindon

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Montgomery to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.
Atlanta to Heathrow flights
Atlanta to Gatwick flights
Atlanta to London City flights
Atlanta to Stansted flights
Pensacola to Heathrow flights
Birmingham to Heathrow flights
Pensacola to Gatwick flights
Mobile to Heathrow flights
Pensacola to London City flights
Atlanta to Luton flights
Mobile to Gatwick flights
Birmingham to Gatwick flights
Huntsville to Heathrow flights
Chattanooga to Heathrow flights
Birmingham to London City flights
Chattanooga to Gatwick flights
Valparaiso to Heathrow flights
Valparaiso to Gatwick flights
Mobile to London City flights
Huntsville to Gatwick flights
Huntsville to London City flights
Chattanooga to London City flights
Valparaiso to London City flights
Atlanta to Southend flights
Florence to Heathrow flights

Top airline flying from Montgomery to Heathrow

Discover the top airline that operate flights from Montgomery to Heathrow. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$722Average$1,142FlexibilityNo cancel feeOn-timeN/A

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.