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Key Largo

$86+ Cheap flights from Manchester, NH (MHT) to Key Largo, FL

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 12/15. Fares are subject to change and may not be available on all flights or dates of travel.
MHT — MIA
Nov 30 — Dec 71
Sun 11/30
Sun 12/7
1 adult, Economy
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Cheapflights Tip: The best prices from Manchester to Key Largo are usually found in August or September, booked 75 days in advance, depart on a Tuesday or Thursday and return on a Friday

Cheap flight deals from Manchester to Key Largo

Keep the following information in mind while searching for Manchester to Key Largo flight deals. Data was last updated October 31, 2025.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$171
(Southwest)

One-way from

$86
(American Airlines)

Popular in

April

Cheapest in

August

Average price

$392
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From Manchester to Key Largo
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One-way flight from Manchester to Key Largo
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Highest demand for flights based on searches. 11% potential increase in price ($51 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($14 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find flight deals from Manchester to Key Largo

Cheapest flights from Manchester to Key Largo
Explore the most affordable flight options available from Manchester to Key Largo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 31, 2025.

This American Airlines deal was found by Cheapflights users on 10/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/63:58 pmMHT - MIA
1 stop5h 37mAmerican Airlines
Wed 12/104:28 pmMIA - MHT
1 stop7h 29mAmerican Airlines
Deal found 10/29$171
This American Airlines deal was found by Cheapflights users on 10/30. 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.
Mon 12/155:16 pmMHT - MIA
1 stop5h 40mAmerican Airlines
Wed 12/246:00 amMIA - MHT
1 stop6h 09mAmerican Airlines
Deal found 10/30$220
This American Airlines deal was found by Cheapflights users on 10/28. 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 11/116:00 amMHT - MIA
1 stop8h 27mAmerican Airlines
Fri 11/145:36 pmMIA - MHT
1 stop6h 12mAmerican Airlines
Deal found 10/28$231
This American Airlines deal was found by Cheapflights users on 10/30. 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.
Sat 12/63:58 pmMHT - MIA
1 stop6h 48mAmerican Airlines
Sun 12/146:00 amMIA - MHT
1 stop5h 40mAmerican Airlines
Deal found 10/30$234
This American Airlines deal was found by Cheapflights users on 10/30. 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 11/186:00 amMHT - MIA
1 stop8h 27mAmerican Airlines
Thu 11/206:00 amMIA - MHT
1 stop5h 33mAmerican Airlines
Deal found 10/30$235
This American Airlines deal was found by Cheapflights users on 10/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/133:58 pmMHT - MIA
1 stop6h 48mAmerican Airlines
Sat 12/205:44 pmMIA - MHT
1 stop5h 12mAmerican Airlines
Deal found 10/29$248
This Southwest deal was found by Cheapflights users on 10/29. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2412:55 pmMHT - MIA
1 stop7h 50mSouthwest
Wed 12/317:10 amMIA - MHT
1 stop5h 10mSouthwest
Deal found 10/29$253
This Southwest deal was found by Cheapflights users on 10/29. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/312:55 pmMHT - MIA
2 stops8h 55mSouthwest
Mon 12/87:10 amMIA - MHT
1 stop9h 25mSouthwest
Deal found 10/29$268
This American Airlines deal was found by Cheapflights users on 10/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/124:04 pmMHT - MIA
1 stop6h 20mAmerican Airlines
Mon 11/175:50 pmMIA - MHT
1 stop6h 08mAmerican Airlines
Deal found 10/29$286

Cheapflights Fare Finder

 
Customize your flight search to find flights from Manchester to Key Largo 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 October 31, 2025.
Use the filters below to find and compare flights from Manchester to Key Largo that are best for you.

Fly from

Manchester

Fly to

Key Largo

Route

Depart

Return

Price

ManchesterMiami

MHT - MIA

MHTMIA

Manchester

Wed 12/24

12:55 pm-8:45 pm

1 stop7h 50m

Miami

Wed 12/31

7:10 am-12:20 pm

1 stop5h 10m

$253

ManchesterMiami

MHT - MIA

MHTMIA

Manchester

Tue 1/6

3:25 pm-9:00 pm

1 stop5h 35m

Miami

Fri 1/9

7:15 am-2:50 pm

1 stop7h 35m

$257

ManchesterMiami

MHT - MIA

MHTMIA

Manchester

Mon 12/1

2:15 pm-11:00 pm

2 stops8h 45m

Miami

Tue 12/2

7:10 am-12:20 pm

1 stop5h 10m

$304

ManchesterMiami

MHT - MIA

MHTMIA

Manchester

Mon 12/15

2:32 pm-11:59 pm

2 stops9h 27m

Miami

Wed 12/24

9:00 am-6:51 pm

2 stops9h 51m

$313

ManchesterMiami

MHT - MIA

MHTMIA

Manchester

Tue 1/6

2:17 pm-11:59 pm

2 stops9h 42m

Miami

Fri 1/9

9:00 am-6:51 pm

2 stops9h 51m

$317

ManchesterMiami

MHT - MIA

MHTMIA

Manchester

Sat 1/3

5:50 pm-11:45 pm

1 stop5h 55m

Miami

Sun 1/11

6:45 am-11:40 am

1 stop4h 55m

$322

ManchesterMiami

MHT - MIA

MHTMIA

Manchester

Tue 2/3

5:00 am-4:10 pm

2 stops11h 10m

Miami

Thu 2/26

5:55 am-1:25 pm

1 stop7h 30m

$325

ManchesterMiami

MHT - MIA

MHTMIA

Manchester

Wed 1/7

2:17 pm-11:59 pm

2 stops9h 42m

Miami

Fri 1/16

1:45 pm-6:51 pm

1 stop5h 06m

$336

ManchesterMiami

MHT - MIA

MHTMIA

Manchester

Wed 1/7

2:17 pm-11:59 pm

2 stops9h 42m

Miami

Thu 1/15

9:00 am-6:51 pm

2 stops9h 51m

$341

ManchesterMiami

MHT - MIA

MHTMIA

Manchester

Tue 1/13

2:17 pm-11:59 pm

2 stops9h 42m

Miami

Thu 1/15

9:00 am-6:51 pm

2 stops9h 51m

$341

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/30

Showing 1-10 of 22 results
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Best time to book a flight from Manchester to Key Largo

Have a flexible travel schedule? Discover the best time to fly to Key Largo from Manchester 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 Manchester to Key Largo

How far ahead should I book a flight from Manchester, New Hampshire to Key Largo?

Use this chart to determine the optimal time to book a round-trip flight from Manchester to Key Largo. Price data was last updated on October 24, 2025.

The price you pay for your flight from Manchester, New Hampshire to Key Largo may vary depending on when you book. For the best chance of a lower fare, look to book 75 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Manchester, New Hampshire to Key Largo?

Currently, February is the cheapest month in which you can book a flight from Manchester, New Hampshire to Key Largo (average of $25). Flying from Manchester, New Hampshire to Key Largo in August is currently the most expensive (average of $94). 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.

What is the cheapest time of day to fly from MHT to KE9?

Find hourly flight availability from Manchester to Key Largo. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 31, 2025.

When flying from Manchester, New Hampshire to Key Largo, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 48% versus a flight at noon.

What is the cheapest day to fly from Manchester, New Hampshire to Key Largo?

Use this chart to determine the cheapest time to fly round-trip from Manchester to Key Largo. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Manchester, New Hampshire to Key Largo flight should consider departing on Saturday afternoons when fares are most often at their lowest. Friday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Key Largo

Get insights into the airlines that provide service to Key Largo. 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 Key Largo. Reviews last updated October 31, 2025.
Read reviews from past customers who have flown Southwest, Delta, and United Airlines from Manchester to Key Largo. 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.
Southwest
8.0
Very good
4,243 reviews

Comfort

8.0

Entertainment

7.5

Food

7.0

Overall

8.0

Boarding

8.1

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,243 reviews
Southwest
8.0
Very good
4,243 reviews

Comfort

8.0

Entertainment

7.5

Food

7.0

Overall

8.0

Boarding

8.1

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Delta
7.9
Good
7,998 reviews
Southwest
8.0
Very good
4,243 reviews

Comfort

8.0

Entertainment

7.5

Food

7.0

Overall

8.0

Boarding

8.1

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
United Airlines
7.4
Good
8,998 reviews
Southwest
8.0
Very good
4,243 reviews

Comfort

8.0

Entertainment

7.5

Food

7.0

Overall

8.0

Boarding

8.1

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
11,035 reviews
Southwest
8.0
Very good
4,243 reviews

Comfort

8.0

Entertainment

7.5

Food

7.0

Overall

8.0

Boarding

8.1

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Related info for your journey

Find useful and relevant information for your journey from Manchester to Key Largo. 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 Manchester to Key Largo?

    Manchester (MHT), located 4.8 mi from the city center, is the airport you fly out of when you book flights from Manchester to Key Largo. 6 airlines have flights from Manchester to Key Largo on a regular basis. Booking flights from Manchester to Key Largo should not be difficult; the airport handles an average of 0 outbound flights to Key Largo per day.

  • How long is the flight from Manchester, New Hampshire to Key Largo?

    For as low as $253, Southwest can have you in Key Largo from Manchester, New Hampshire in 7h 50m. The distance from Manchester, New Hampshire to Key Largo is about 1284 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • Can I find deals for flights from Manchester to Key Largo that include hotel bookings?

    Yes. In addition to deals on Manchester to Key Largo flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Manchester to Key Largo?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Manchester to Key Largo.

  • Can I find deals for business class flights from Manchester to Key Largo?

    Yes. Cheapflights offers flight deals from Manchester to Key Largo 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 Manchester, New Hampshire to Key Largo?

    Currently, February is the cheapest month in which you can book a flight from Manchester, New Hampshire to Key Largo (average of $25). Flying from Manchester, New Hampshire to Key Largo in August is currently the most expensive (average of $94). 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

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Top 6 airlines flying from Manchester to Key Largo

Discover the top 6 airlines that operate flights from Manchester to Key Largo. 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 October 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$45Average$138FlexibilityNo cancel feeOn-time65%
DeltaCheapest$127Average$423FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$166Average$283FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$188Average$430FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$195Average$422FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$206Average$376FlexibilityNo cancel feeOn-time69%

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