Cheapest airlines flights from Toronto to Key West

You can pick from 1 carriers that fly from Toronto to Key West including United Airlines, , , with Porter Airlines serving cheapest ticket on this route.
Airlines are determined based on actual purchased flight tickets from Toronto to Key West according to previous 12 months data from Trip.com.

Search cheap flights from Toronto to Key West in the next 3 months. Based on Trip.com's latest 7-day data, one-way fares start at US$237, and round-trip tickets start at US$475.

Displayed flight fares from Toronto to Key West are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Toronto to Key West Flight Details

The distance between Toronto and Key West is about 2,134.88 km. Based on Trip.com's latest data, travel demand is highest in January. The off-season for travel is August.

Cheapest one-way flight priceUS$237
Cheapest return ticket priceUS$475
Cheapest monthAugust
Peak season for travelJanuary
Flight distance2,134.88 km
Popular airlineUnited Airlines
Flight statistics for the Toronto–Key West route are based on aggregated booking data from Trip.com over the past 12 months.

When is the cheapest time to book flights from Toronto to Key West?

The cheapest time to fly from Toronto to Key West: Dec 14 to Dec 21 — one-way prices start at US$155.

Cheapest flights
From price
Search
  • 1421
  • 2128
  • Jan

    284
  • 411
  • 1118
  • 1825
  • Feb

    251
  • 18
  • 815
  • 1522
  • Mar

    221
  • 18
Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Frequently Asked Questions

  • What are the cheapest flights from Toronto to Key West (YTO-EYW)?

    Based on Trip.com data, Porter Airlines offers one-way fares as low as US$237 on Cheapest nonstop routes (e.g. YYZ to EYW on Sun, Jan 11), while Delta Air Lines offers Cheapest nonstop round-trips from US$475 departing on Sun, Jan 11 and returning on Sat, Jan 17.
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Toronto to Key West is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • To find best deals on flights from Toronto to Key West, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Sun, Jan 11, with one-way flights priced at just US$237.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Porter Airlines.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for Key West travel is around January.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Toronto to Key West is August, when demand for travel is lower.
  • After crunching the numbers on our December flight calendar, it's currently cheapest to fly from Toronto to Key West on December 22, 2025 with American Airlines, with prices starting at US$547.
  • The time difference between Key West and Toronto is 0h.
  • Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.