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Key Largo

$80+ 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 2/24. Fares are subject to change and may not be available on all flights or dates of travel.
MHT — MIA
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
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Cheap 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 January 29, 2026.

This American Airlines deal was found by Cheapflights users on 1/27. 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 2/244:00 pm
MHT
-
MIA
1 stop6h 52m
American Airlines
Tue 3/33:55 pm
MIA
-
MHT
1 stop7h 03m
American Airlines
Deal found 1/27$159
This American Airlines deal was found by Cheapflights users on 1/27. 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 2/105:30 am
MHT
-
MIA
1 stop5h 55m
American Airlines
Fri 2/135:30 pm
MIA
-
MHT
1 stop6h 29m
American Airlines
Deal found 1/27$163
This American Airlines deal was found by Cheapflights users on 1/27. 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 3/35:02 pm
MHT
-
MIA
1 stop5h 43m
American Airlines
Tue 3/104:19 pm
MIA
-
MHT
1 stop7h 32m
American Airlines
Deal found 1/27$223
This American Airlines deal was found by Cheapflights users on 1/28. 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.
Sat 2/215:17 pm
MHT
-
MIA
1 stop5h 35m
American Airlines
Tue 3/33:55 pm
MIA
-
MHT
1 stop7h 03m
American Airlines
Deal found 1/28$228
This American Airlines deal was found by Cheapflights users on 1/27. 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 2/184:00 pm
MHT
-
MIA
1 stop6h 52m
American Airlines
Tue 3/33:55 pm
MIA
-
MHT
1 stop7h 03m
American Airlines
Deal found 1/27$239
This American Airlines deal was found by Cheapflights users on 1/27. 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 2/285:02 pm
MHT
-
MIA
1 stop6h 41m
American Airlines
Sat 3/76:30 am
MIA
-
MHT
1 stop5h 20m
American Airlines
Deal found 1/27$243
This American Airlines deal was found by Cheapflights users on 1/27. 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 2/184:12 pm
MHT
-
MIA
1 stop5h 40m
American Airlines
Tue 2/243:28 pm
MIA
-
MHT
2 stops8h 31m
American Airlines
Deal found 1/27$244
This Kiwi.com deal was found by Cheapflights users on 1/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/1511:23 am
MHT
-
MIA
1 stop13h 09m
Multiple Airlines
Wed 3/187:00 am
MIA
-
MHT
2 stops27h 43m
Multiple Airlines
Deal found 1/28$246
This Southwest deal was found by Cheapflights users on 1/28. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/155:30 pm
MHT
-
MIA
1 stop5h 30m
Southwest
Wed 3/185:45 pm
MIA
-
MHT
1 stop5h 05m
Southwest
Deal found 1/28$248
This Southwest deal was found by Cheapflights users on 1/28. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/2512:45 pm
MHT
-
MIA
2 stops9h 15m
Southwest
Wed 3/47:15 am
MIA
-
MHT
1 stop4h 55m
Southwest
Deal found 1/28$253
This Southwest deal was found by Cheapflights users on 1/27. 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.
Sun 3/15:25 pm
MHT
-
MIA
1 stop5h 50m
Southwest
Thu 3/56:40 pm
MIA
-
MHT
1 stop5h 25m
Southwest
Deal found 1/27$258
This Southwest deal was found by Cheapflights users on 1/26. 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.
Tue 3/1012:30 pm
MHT
-
MIA
2 stops9h 45m
Southwest
Wed 3/185:45 pm
MIA
-
MHT
1 stop5h 05m
Southwest
Deal found 1/26$260

Find 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 January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$159
(American Airlines)

One-way from

$80
(American Airlines)

Popular in

April

Cheapest in

January

Average price

$270
Provider with most accurate pricing for Boston Logan Intl-Miami flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boston Logan Intl-Miami flights.
Search Deals
From Manchester to Key Largo
Search Deals
One-way flight from Manchester to Key Largo
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($35 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

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 January 29, 2026.
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

Tue 3/10

5:40 am-11:00 am

1 stop5h 20m

Miami

Wed 3/18

5:45 pm-10:50 pm

1 stop5h 05m

$159

ManchesterMiami

MHT - MIA

MHTMIA

Manchester

Wed 2/25

12:45 pm-10:00 pm

2 stops9h 15m

Miami

Wed 3/4

7:15 am-12:10 pm

1 stop4h 55m

$253

ManchesterMiami

MHT - MIA

MHTMIA

Manchester

Tue 3/10

2:45 pm-9:45 pm

1 stop7h 00m

Miami

Fri 3/13

6:00 am-12:30 pm

1 stop6h 30m

$258

ManchesterMiami

MHT - MIA

MHTMIA

Manchester

Sat 2/21

2:20 pm-10:30 pm

2 stops8h 10m

Miami

Tue 3/3

5:20 pm-11:05 pm

1 stop5h 45m

$292

ManchesterMiami

MHT - MIA

MHTMIA

Manchester

Tue 3/10

2:45 pm-9:45 pm

1 stop7h 00m

Miami

Sat 3/14

6:25 am-4:10 pm

2 stops9h 45m

$304

ManchesterMiami

MHT - MIA

MHTMIA

Manchester

Tue 5/19

9:10 am-8:40 pm

2 stops11h 30m

Miami

Sat 5/23

5:20 pm-10:40 pm

1 stop5h 20m

$332

ManchesterMiami

MHT - MIA

MHTMIA

Manchester

Sun 3/8

1:40 pm-11:00 pm

1 stop9h 20m

Miami

Thu 3/12

6:40 am-4:45 pm

2 stops10h 05m

$338

ManchesterMiami

MHT - MIA

MHTMIA

Manchester

Sat 2/28

12:15 pm-10:15 pm

2 stops10h 00m

Miami

Fri 3/6

6:00 am-12:30 pm

1 stop6h 30m

$342

ManchesterMiami

MHT - MIA

MHTMIA

Manchester

Mon 4/6

5:35 am-5:25 pm

2 stops11h 50m

Miami

Mon 4/13

6:20 am-11:30 am

1 stop5h 10m

$342

ManchesterMiami

MHT - MIA

MHTMIA

Manchester

Wed 5/6

9:10 am-8:40 pm

2 stops11h 30m

Miami

Sat 5/9

8:25 am-4:10 pm

1 stop7h 45m

$349

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/28

Showing 1-10 of 23 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 January 23, 2026.

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 70 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 December is currently the most expensive (average of $108). 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 January 29, 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Manchester, New Hampshire to Key Largo as you normally would.

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 January 29, 2026.
Read reviews from past customers who have flown Southwest and American 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
4,267 reviews

Comfort

8.0

Crew

8.6

Boarding

8.1

Overall

8.0

Entertainment

7.5

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Southwest
8.0
Very good
4,267 reviews
Southwest
8.0
Very good
4,267 reviews

Comfort

8.0

Crew

8.6

Boarding

8.1

Overall

8.0

Entertainment

7.5

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
American Airlines
7.2
Good
11,205 reviews
Southwest
8.0
Very good
4,267 reviews

Comfort

8.0

Crew

8.6

Boarding

8.1

Overall

8.0

Entertainment

7.5

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

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. 5 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 $159, Southwest can have you in Key Largo from Manchester, New Hampshire in 5h 20m. The distance from Manchester, New Hampshire to Key Largo is about 1284 mi.

  • 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 December is currently the most expensive (average of $108). 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 5 airlines flying from Manchester to Key Largo

Discover the top 5 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 January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$45Average$145FlexibilityNo cancel feeOn-time65%
JetBlueCheapest$151Average$277FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$168Average$286FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$176Average$406FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$196Average$407FlexibilityNo cancel feeOn-time71%

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