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Cheap flights from Moncton to Key Largo from C$ 376

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 30/5. Fares are subject to change and may not be available on all flights or dates of travel.
YQM — MIA
17 May — 24 May1
1 adult
1 adult, Economy, 0 bags

Cheap 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 17 April 2026.

Wed 11/115:50 a.m.
YQM
-
MIA
2 stops10h 46m
Air Canada
Thu 12/1112:55 p.m.
MIA
-
YQM
1 stop7h 33m
Air Canada
Deal found 12/4C$ 742
Tue 30/65:25 a.m.
YQM
-
MIA
1 stop7h 48m
Air Canada
Tue 7/79:45 p.m.
MIA
-
YQM
1 stop12h 33m
Air Canada
Deal found 14/4C$ 789
Tue 26/55:20 a.m.
YQM
-
MIA
1 stop7h 53m
Air Canada
Sun 31/59:45 p.m.
MIA
-
YQM
1 stop12h 32m
Air Canada
Deal found 17/4C$ 805
Thu 16/712:20 p.m.
YQM
-
MIA
1 stop9h 28m
Air Canada
Mon 20/79:45 p.m.
MIA
-
YQM
1 stop12h 33m
Air Canada
Deal found 12/4C$ 811
Thu 28/55:20 a.m.
YQM
-
MIA
1 stop7h 58m
Air Canada
Sun 31/59:45 p.m.
MIA
-
YQM
1 stop12h 32m
Air Canada
Deal found 12/4C$ 819
Sat 30/55:20 a.m.
YQM
-
MIA
1 stop7h 53m
Air Canada
Wed 3/69:45 p.m.
MIA
-
YQM
1 stop12h 32m
Air Canada
Deal found 13/4C$ 835
Tue 2/65:20 a.m.
YQM
-
MIA
1 stop7h 53m
Air Canada
Sun 7/69:45 p.m.
MIA
-
YQM
2 stops19h 53m
Air Canada
Deal found 17/4C$ 838

Find 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 17 April 2026.

Round-trip from

C$ 789

One-way from

C$ 376

Popular in

August

Cheapest in

September

Average price

C$ 683
Air Canada
  • Air Canada
  • 30/6-7/7
  • 2 total stops
  • 20h 21m total
  • Moncton to Key Largo
Search Deals
30/5
  • 30/5
  • 2 total stops
  • 23h 07m total
  • Moncton to Key Largo
Search Deals
Highest demand for flights based on searches. 0% potential increase in price (C$ 9 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 36 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

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 17 April 2026.
Use the filters below to find and compare flights from Moncton to Key Largo that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

MonctonMiami

YQM - MIA

YQMMIA

Moncton Intl

Tue 30/6

5:25 a.m.-12:13 p.m.

1 stop7h 48m

Miami

Tue 7/7

1:10 p.m.-12:08 a.m.

1 stop9h 58m

C$ 789

MonctonMiami

YQM - MIA

YQMMIA

Moncton Intl

Tue 2/6

12:20 p.m.-8:48 p.m.

1 stop9h 28m

Miami

Mon 8/6

9:45 p.m.-11:17 a.m.

1 stop12h 32m

C$ 805

MonctonMiami

YQM - MIA

YQMMIA

Moncton Intl

Thu 16/7

12:20 p.m.-8:48 p.m.

1 stop9h 28m

Miami

Mon 20/7

9:45 p.m.-11:18 a.m.

1 stop12h 33m

C$ 811

MonctonMiami

YQM - MIA

YQMMIA

Moncton Intl

Thu 28/5

5:20 a.m.-12:18 p.m.

1 stop7h 58m

Miami

Sun 31/5

9:45 p.m.-11:17 a.m.

1 stop12h 32m

C$ 819

MonctonMiami

YQM - MIA

YQMMIA

Moncton Intl

Sat 30/5

5:20 a.m.-12:13 p.m.

1 stop7h 53m

Miami

Wed 3/6

9:45 p.m.-11:17 a.m.

1 stop12h 32m

C$ 835
Cheapest one-way

MonctonMiami

YQM - MIA

YQMMIA

Moncton Intl

Sat 30/5

11:55 a.m.-10:02 a.m.

2 stops23h 07m

C$ 376

MonctonMiami

YQM - MIA

YQMMIA

Moncton Intl

Wed 27/5

11:55 a.m.-10:47 p.m.

3 stops35h 52m

C$ 405

MonctonMiami

YQM - MIA

YQMMIA

Moncton Intl

Mon 25/5

6:15 a.m.-10:02 a.m.

2 stops28h 47m

C$ 410

MonctonMiami

YQM - MIA

YQMMIA

Moncton Intl

Sat 30/5

5:20 a.m.-12:13 p.m.

1 stop7h 53m

C$ 443
Quickest one-way

MonctonMiami

YQM - MIA

YQMMIA

Moncton Intl

Sun 5/7

5:25 a.m.-12:13 p.m.

1 stop7h 48m

C$ 464

Flights are sorted by cheapest round-trip flights first.

Deals found on 15/4

Showing 1-10 of 13 resultsSorted by cheapest first
1
2

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 10 April 2026.

The best time to book flights from Moncton to Key Largo is 65 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.

How much does it cost to fly round-trip from Moncton to Key Largo?

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 17 April 2026.
Read reviews from past customers who have flown 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.
Air Canada
7.1
Good
10,932 reviews
Check prices

Crew

7.8

Entertainment

6.8

Overall

7.1

Food

6.3

Boarding

7.3

Comfort

7.1

Reviews

1 / 20
6.0
Good

Paula,Mar 2026

YVR - PSP

Everything was OK, but we waited on the tarmac for an hour and 20 minutes after landing because there was no available gate. This is a daily occurrence at the Palm Springs airport, and happens with Air Canada and WestJet constantly.
Air Canada
7.1
Good
10,932 reviews
Air Canada
7.1
Good
10,932 reviews
Check prices

Crew

7.8

Entertainment

6.8

Overall

7.1

Food

6.3

Boarding

7.3

Comfort

7.1

Reviews

1 / 20
6.0
Good

Paula,Mar 2026

YVR - PSP

Everything was OK, but we waited on the tarmac for an hour and 20 minutes after landing because there was no available gate. This is a daily occurrence at the Palm Springs airport, and happens with Air Canada and WestJet constantly.

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 2 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 7h 48m. Fly via Air Canada to get the fastest option. Airlines will cover a distance of 2647 km.

  • 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.

See more FAQs

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Top 2 airlines flying from Moncton to Key Largo

Discover the top 2 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 17 April 2026.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapestC$ 249AverageC$ 577FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air CanadaCheapestC$ 446AverageC$ 732FlexibilityNo 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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