Cheap Flights to Grassy Key , FL from CA $224

View CA $224 flight on Tue, Aug. 26, 2025Opens in a new window

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How much is the cheapest flight to Grassy Key?

Prices were available within the past 7 days and start at CA $224 for one-way flights and CA $375 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Thu, Oct. 23 - Thu, Oct. 30
YUL
Montreal
MIA
Miami
CA $375 Roundtrip, just found
CA $375
Roundtrip
just found
Select Air Canada flight, departing Thu, Oct. 23 from Montreal to Miami, returning Thu, Oct. 30, priced at CA $375 just found
American Airlines
Sun, Nov. 2 - Fri, Nov. 21
YYZ
Toronto
MIA
Miami
CA $391 Roundtrip, just found
CA $391
Roundtrip
just found
Select American Airlines flight, departing Sun, Nov. 2 from Toronto to Miami, returning Fri, Nov. 21, priced at CA $391 just found
Air Transat
Fri, Oct. 24 - Wed, Oct. 29
YYZ
Toronto
MIA
Miami
CA $401 Roundtrip, found 4 hours ago
CA $401
Roundtrip
found 4 hours ago
Select Air Transat flight, departing Fri, Oct. 24 from Toronto to Miami, returning Wed, Oct. 29, priced at CA $401 found 4 hours ago
Porter Airlines
Wed, Feb. 11 - Wed, Feb. 18
YUL
Montreal
MIA
Miami
CA $414 Roundtrip, found 18 hours ago
CA $414
Roundtrip
found 18 hours ago
Select Porter Airlines flight, departing Wed, Feb. 11 from Montreal to Miami, returning Wed, Feb. 18, priced at CA $414 found 18 hours ago
Alaska Airlines
Mon, Oct. 13 - Tue, Oct. 28
YVR
Vancouver
MIA
Miami
CA $476 Roundtrip, found 15 hours ago
CA $476
Roundtrip
found 15 hours ago
Select Alaska Airlines flight, departing Mon, Oct. 13 from Vancouver to Miami, returning Tue, Oct. 28, priced at CA $476 found 15 hours ago

Find the cheapest month to fly from Columbus (CMH) to Miami (MIA)

September is typically the cheapest month to fly

From CA $156 - CA $341 per traveller.

Graph displaying average flight prices per month

Expedia.ca gives you the best tools to secure great deals on flights to Grassy Key. Use our easy and convenient booking engine to browse nonstop flights and convenient departure points every day of the year. Search airfares from the top airlines to book your perfect flight to Grassy Key. Whatever your travel needs, you can always rely on Expedia.ca to help you find cheap flights to Grassy Key.

Using our booking engine is simple - just type in your points of travel and preferred dates and Expedia.ca does the rest! If your travel times are flexible, you can find even better bargains by adjusting your flight dates. Browse connecting flights to increase your chances of finding even lower fares. Thanks to Expedia's Best Price Guarantee, you can book your Grassy Key flights with full confidence knowing that you've found the best deal online.

Expedia.ca makes the booking process easy and stress-free by offering support along the entire way. Our friendly staff is available 24 hours a day to provide assistance and help you book your ticket. Call us toll-free at 1-888-397-3342 to answer any questions that you may have about your trip to Grassy Key.

Looking to save even more? Get additional savings by bundling your Grassy Key flight with a hotel and/or car rental to create a bargain travel package. Early birds can discover terrific savings by booking in advance while last minute travelers can enjoy great last minute deals. With Expedia.ca, there's no shortage of options to save even more on your Grassy Key trip!

Frequently asked questions

How do I find cheap flights to Grassy Key that have flexible change policies?
It's as easy as counting 1-2-3 with Expedia. First, enter your travel details and click on the "Search" button. Second step: Check the "No change fee" box directly under the "Flexible change policies" heading on the left-hand side of your screen. Step 3. Reserve your cheap and flexible fare to Grassy Key.
Which airlines fly to Grassy Key?
With various airlines flying to airports in or near Grassy Key, exploring this region is a cinch. Find your seat with one of these carriers:

  • American Airlines - 7,065 flights to or near Grassy Key each month, including 6,618 flights to Miami Intl. Airport (MIA) and 447 to Key West Intl. Airport (EYW) per month.
  • Delta - 1,140 flights to or near Grassy Key each month, including 1,010 flights to Miami Intl. Airport (MIA) and 130 to Key West Intl. Airport (EYW) per month.
  • United Airlines - 785 flights to or near Grassy Key each month, including 672 flights to Miami Intl. Airport (MIA) and 112 to Key West Intl. Airport (EYW) per month.

How can I find cheap tickets to Grassy Key?
One of the best ways to bag cheap tickets to Grassy Key is to be flexible with your dates. Search for your flights, then click "flexible dates" at the top of your results. You'll see the cheapest prices for nearby days. The best price for a flight to Grassy Key in the last seven days was CA $375. Booking in advance will generally help you walk away with an even better deal.
How much is a flight to Grassy Key?
There were loads of low-cost fares for the taking in the last seven days, with the cost of a return air ticket to Grassy Key ranging between CA $375 and CA $476. Many lucky travellers locked in one-way seats from Montreal (YUL) for as low as CA $224.
What are the most popular airports to fly into in Grassy Key?
When you've planned where you're going in Grassy Key, select from these busy airports:

  • Miami Intl. Airport (MIA) - 9,583 flights per month.
  • Key West Intl. Airport (EYW) - 967 flights per month.

When is the cheapest time to fly to Grassy Key?
Flying on a Tuesday, followed by a Monday, is generally the best way to get the cheapest airfare. Steer clear of weekends if you can, because Saturday is typically the most expensive day of the week. Spend the cash you saved having an awesome time in Grassy Key instead!
How much is a plane ticket to Grassy Key?
Ticket prices to Grassy Key ranged from CA $375 to CA $476 in the last seven days. Usually, the sooner you make a reservation, the bigger the bargain.
What months are the cheapest to book a flight to Grassy Key?
February is a good month to bag bargain flights to Grassy Key. Bear in mind that the most expensive time to book in the States isn't during the height of summer, but in December.
Flights to Grassy Key information
Destination airport
Miami Intl.
Destination airport IATA code
MIA
Destination city name
Miami
Roundtrip price
CA $374

Trending flights to Grassy Key

Prices were available within the past 7 days and start at CA $224 for one-way flights and CA $375 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Thu, Oct. 23 - Thu, Oct. 30
YUL
Montreal
MIA
Miami
CA $375 Roundtrip, just found
CA $375
Roundtrip
just found
Select Air Canada flight, departing Thu, Oct. 23 from Montreal to Miami, returning Thu, Oct. 30, priced at CA $375 just found
*Available to Expedia members.