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Cheap flights from Moncton to Key Largo from C$ 310

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 17/2. Fares are subject to change and may not be available on all flights or dates of travel.
YQM — MIA
12 Dec — 19 Dec1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from Moncton Intl to Key Largo are usually found in September or June, booked 56 days in advance, depart on a Tuesday or Sunday and return on a Tuesday

Cheap flight deals from Moncton to Key Largo

Keep the following information in mind while searching for Moncton to Key Largo flight deals. Data was last updated 12 November 2025.

Round-trip from

C$ 659

One-way from

C$ 374

Popular in

December

Cheapest in

September

Average price

C$ 817
Air Canada
  • Air Canada
  • 10/12-27/12
  • 3 total stops
  • 18h 55m total
  • Moncton to Key Largo
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Air Canada
  • Air Canada
  • 4/1
  • 2 total stops
  • 10h 31m total
  • Moncton to Key Largo
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (C$ 182 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (C$ 56 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Find flight deals from Moncton to Key Largo

Enter your travel dates to find the best prices.

Cheapest flights from Moncton to Key Largo
Explore the most affordable flight options available from Moncton to Key Largo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 November 2025.

Wed 10/124:40 p.m.YQM - MIA
1 stop6h 49mAir Canada
Sat 27/127:25 a.m.MIA - YQM
2 stops12h 06mAir Canada
Deal found 10/11C$ 659
Thu 11/125:55 p.m.YQM - MIA
1 stop7h 21mAir Canada
Sat 27/127:25 a.m.MIA - YQM
2 stops12h 06mAir Canada
Deal found 10/11C$ 690
Sat 22/115:55 p.m.YQM - MIA
2 stops21h 42mUnited Airlines
Fri 28/116:05 a.m.MIA - YQM
2 stops16h 43mUnited Airlines
Deal found 11/11C$ 795
Wed 10/124:40 p.m.YQM - MIA
1 stop6h 49mAir Canada
Sun 28/126:00 a.m.MIA - YQM
2 stops13h 31mAir Canada
Deal found 10/11C$ 911
Sat 13/125:55 p.m.YQM - MIA
1 stop7h 21mAir Canada
Wed 17/128:00 a.m.MIA - YQM
1 stop6h 57mAir Canada
Deal found 12/11C$ 924
Sat 13/125:55 p.m.YQM - MIA
2 stops21h 46mMultiple Airlines
Wed 17/127:25 a.m.MIA - YQM
2 stops12h 06mMultiple Airlines
Deal found 12/11C$ 953

Cheapflights Fare Finder

 
Customize your flight search to find flights from Moncton 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 629,999 searches. Data last updated 12 November 2025.
Use the filters below to find and compare flights from Moncton to Key Largo that are best for you.

Fly from

Moncton

Fly to

Key Largo

Route

Depart

Return

Price

MonctonMiami

YQM - MIA

YQMMIA

Moncton Intl

Mon 6/4

6:40 a.m.-1:55 p.m.

1 stop8h 15m

Miami

Fri 10/4

2:55 p.m.-11:30 p.m.

1 stop7h 35m

C$ 552

MonctonMiami

YQM - MIA

YQMMIA

Moncton Intl

Tue 24/3

11:35 a.m.-5:29 p.m.

1 stop6h 54m

Miami

Thu 26/3

8:00 a.m.-4:03 p.m.

1 stop7h 03m

C$ 565

MonctonMiami

YQM - MIA

YQMMIA

Moncton Intl

Sat 4/4

6:40 a.m.-1:55 p.m.

1 stop8h 15m

Miami

Fri 10/4

2:55 p.m.-11:30 p.m.

1 stop7h 35m

C$ 606

MonctonMiami

YQM - MIA

YQMMIA

Moncton Intl

Sun 4/1

5:50 a.m.-3:21 p.m.

2 stops10h 31m

Miami

Fri 9/1

7:25 a.m.-5:03 p.m.

1 stop8h 38m

C$ 635

MonctonMiami

YQM - MIA

YQMMIA

Moncton Intl

Wed 1/4

5:20 a.m.-10:16 p.m.

2 stops17h 56m

Miami

Wed 8/4

12:25 p.m.-10:10 p.m.

1 stop8h 45m

C$ 665

MonctonMiami

YQM - MIA

YQMMIA

Moncton Intl

Wed 1/4

5:20 a.m.-10:36 p.m.

2 stops18h 16m

Miami

Wed 8/4

9:00 a.m.-11:46 p.m.

2 stops13h 46m

C$ 674

MonctonMiami

YQM - MIA

YQMMIA

Moncton Intl

Mon 2/3

5:55 p.m.-12:16 a.m.

1 stop7h 21m

Miami

Fri 6/3

6:15 p.m.-10:48 a.m.

1 stop15h 33m

C$ 715

MonctonMiami

YQM - MIA

YQMMIA

Moncton Intl

Tue 17/2

4:40 p.m.-10:29 p.m.

1 stop6h 49m

C$ 310

MonctonMiami

YQM - MIA

YQMMIA

Moncton Intl

Tue 24/2

5:50 a.m.-3:21 p.m.

2 stops10h 31m

C$ 327

MonctonMiami

YQM - MIA

YQMMIA

Moncton Intl

Tue 17/2

1:40 p.m.-10:47 a.m.

3 stops46h 07m

C$ 409

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

Showing 1-10 of 18 results
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Best time to book a flight from Moncton to Key Largo

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

How far ahead should I book a flight from Moncton to Key Largo?

Use this chart to determine the optimal time to book a round-trip flight from Moncton to Key Largo. Price data was last updated on 7 November 2025.

The best time to book flights from Moncton to Key Largo is 56 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Moncton to Key Largo?

Currently, January is the cheapest month in which you can book a flight from Moncton to Key Largo (average of C$ 217). Flying from Moncton to Key Largo in March is currently the most expensive (average of C$ 519). 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 YQM to KE9?

Find hourly flight availability from Moncton 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 12 November 2025.

It’s optimal to fly from Moncton to Key Largo in the afternoon. By choosing this option you can save up to 33% on the cost of your flight, compared to a flight in the morning.

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 12 November 2025.
Read reviews from past customers who have flown United Airlines and Air Canada from Moncton 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.
United Airlines
7.4
Good
9,015 reviews
Check prices

Comfort

7.3

Food

6.6

Overall

7.4

Entertainment

7.1

Boarding

7.7

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
United Airlines
7.4
Good
9,015 reviews
United Airlines
7.4
Good
9,015 reviews
Check prices

Comfort

7.3

Food

6.6

Overall

7.4

Entertainment

7.1

Boarding

7.7

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
Air Canada
7.1
Good
10,444 reviews
United Airlines
7.4
Good
9,015 reviews
Check prices

Comfort

7.3

Food

6.6

Overall

7.4

Entertainment

7.1

Boarding

7.7

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

Related info for your journey

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

    If you book a flight to Key Largo from Moncton, you will be flying from Moncton Intl, which is the city’s only airport. Moncton Intl (YQM) is located 8.8 km from the centre of Moncton. There are 0 flights from Moncton Intl to Key Largo per day from 3 different airlines.

  • How long is the flight from Moncton to Key Largo?

    There are many flights that can get you from Moncton to Key Largo in 6h 54m. Fly via Porter Airlines or Air Canada to get the fastest option. Airlines will cover a distance of 2647 km. Both multi-stop and direct flights can be found to your destination and back.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Moncton 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 Moncton to Key Largo?

    Currently, January is the cheapest month in which you can book a flight from Moncton to Key Largo (average of C$ 217). Flying from Moncton to Key Largo in March is currently the most expensive (average of C$ 519). 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 3 airlines flying from Moncton to Key Largo

Discover the top 3 airlines that operate flights from Moncton 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 629,999 searches. Data last updated 12 November 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 464AverageC$ 695FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Porter AirlinesCheapestC$ 504AverageC$ 731FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air CanadaCheapestC$ 513AverageC$ 846FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

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How does Cheapflights help users find flights from Moncton to Key Largo?

Deals for Moncton to Key Largo 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 Moncton to Key Largo?

Cheapflights helps you find that perfect flight to Key Largo from Moncton by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Moncton to Key Largo with no change fees?

Yes, we can. To see specific flights from Moncton to Key Largo with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Moncton to Key Largo become cheaper?

Yes! Start tracking prices for Moncton to Key Largo flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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