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Cheap flights from Ottawa to Key Largo from C$ 246

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 14/1. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — MIA
3 Jan — 10 Jan1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from Ottawa to Key Largo are usually found in June or January, booked 78 days in advance, depart on a Thursday or Saturday and return on a Monday

Cheap flight deals from Ottawa to Key Largo

Enter your travel dates to find the best prices.

Cheapest flights from Ottawa to Key Largo
Explore the most affordable flight options available from Ottawa to Key Largo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 4 December 2025.

Sun 14/124:15 p.m.YOW - MIA
2 stops27h 24mMultiple Airlines
Sat 10/111:38 a.m.MIA - YOW
1 stop29h 47mMultiple Airlines
Deal found 2/12C$ 477
Tue 30/123:55 p.m.YOW - MIA
1 stop25h 59mMultiple Airlines
Tue 6/19:59 p.m.MIA - YOW
2 stops43h 16mMultiple Airlines
Deal found 2/12C$ 501
Tue 16/129:25 a.m.YOW - MIA
1 stop5h 38mMultiple Airlines
Fri 9/15:20 a.m.MIA - YOW
2 stops12h 05mMultiple Airlines
Deal found 2/12C$ 518
Tue 16/129:25 a.m.YOW - MIA
1 stop5h 38mMultiple Airlines
Sun 21/129:01 p.m.MIA - YOW
2 stops27h 24mMultiple Airlines
Deal found 2/12C$ 544
Wed 24/126:50 a.m.YOW - MIA
2 stops12h 52mMultiple Airlines
Tue 13/112:16 p.m.MIA - YOW
1 stop29h 09mMultiple Airlines
Deal found 1/12C$ 574
Tue 16/129:25 a.m.YOW - MIA
1 stop5h 38mMultiple Airlines
Sat 10/18:51 p.m.MIA - YOW
2 stops20h 34mMultiple Airlines
Deal found 2/12C$ 576
Sun 21/121:20 p.m.YOW - MIA
2 stops31h 17mMultiple Airlines
Tue 13/112:16 p.m.MIA - YOW
1 stop29h 09mMultiple Airlines
Deal found 1/12C$ 579
Wed 31/123:55 p.m.YOW - MIA
1 stop17h 40mMultiple Airlines
Sun 4/19:59 p.m.MIA - YOW
2 stops19h 26mMultiple Airlines
Deal found 4/12C$ 582
Mon 22/129:25 a.m.YOW - MIA
1 stop8h 29mMultiple Airlines
Sun 11/112:20 p.m.MIA - YOW
2 stops28h 53mMultiple Airlines
Deal found 1/12C$ 593
Mon 22/126:50 a.m.YOW - MIA
2 stops13h 47mMultiple Airlines
Wed 24/129:24 p.m.MIA - YOW
1 stop15h 11mMultiple Airlines
Deal found 2/12C$ 596

Find flight deals from Ottawa to Key Largo

Keep the following information in mind while searching for Ottawa to Key Largo flight deals. Data was last updated 4 December 2025.

Round-trip from

C$ 384

One-way from

C$ 246

Popular in

November

Cheapest in

June

Average price

C$ 855
Porter Airlines
  • Porter Airlines
  • 31/1-7/2
  • Nonstop
  • 7h 25m total
  • Ottawa to Key Largo
Search Deals
14/1
  • 14/1
  • 2 total stops
  • 27h 39m total
  • Ottawa to Key Largo
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (C$ 149 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 21 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ottawa 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 4 December 2025.
Use the filters below to find and compare flights from Ottawa to Key Largo that are best for you.

Fly from

Ottawa

Fly to

Key Largo

Route

Depart

Return

Price

OttawaMiami

YOW - MIA

YOWMIA

Ottawa

Sun 22/2

6:45 a.m.-1:09 p.m.

1 stop6h 24m

Miami

Fri 6/3

2:55 p.m.-6:35 p.m.

Nonstop3h 40m

C$ 472

OttawaMiami

YOW - MIA

YOWMIA

Ottawa

Wed 28/1

2:50 p.m.-10:29 p.m.

1 stop7h 39m

Miami

Sun 8/2

8:00 a.m.-4:23 p.m.

1 stop8h 23m

C$ 493

OttawaMiami

YOW - MIA

YOWMIA

Ottawa

Sat 14/3

7:30 p.m.-11:26 a.m.

1 stop15h 56m

Miami

Tue 24/3

10:54 a.m.-4:30 p.m.

1 stop5h 36m

C$ 522

OttawaMiami

YOW - MIA

YOWMIA

Ottawa

Sat 17/1

3:10 p.m.-10:20 p.m.

1 stop7h 10m

Miami

Sat 24/1

6:25 p.m.-11:54 p.m.

1 stop5h 29m

C$ 522

OttawaMiami

YOW - MIA

YOWMIA

Ottawa

Sun 18/1

7:27 p.m.-11:16 a.m.

1 stop15h 49m

Miami

Sat 24/1

6:25 p.m.-11:54 p.m.

1 stop5h 29m

C$ 522

OttawaMiami

YOW - MIA

YOWMIA

Ottawa

Sat 24/1

7:27 p.m.-11:16 a.m.

1 stop15h 49m

Miami

Mon 2/2

6:00 a.m.-1:32 p.m.

1 stop7h 32m

C$ 522

OttawaMiami

YOW - MIA

YOWMIA

Ottawa

Sun 11/1

7:27 p.m.-11:16 a.m.

1 stop15h 49m

Miami

Sat 24/1

7:15 a.m.-1:32 p.m.

1 stop6h 17m

C$ 523

OttawaMiami

YOW - MIA

YOWMIA

Ottawa

Fri 30/1

5:55 p.m.-11:59 p.m.

1 stop6h 04m

Miami

Sat 7/2

6:00 a.m.-1:32 p.m.

1 stop7h 32m

C$ 523

OttawaMiami

YOW - MIA

YOWMIA

Ottawa

Fri 20/2

5:48 p.m.-11:44 p.m.

1 stop5h 56m

Miami

Fri 27/2

7:15 a.m.-1:34 p.m.

1 stop6h 19m

C$ 526

OttawaMiami

YOW - MIA

YOWMIA

Ottawa

Sat 24/1

3:10 p.m.-10:20 p.m.

1 stop7h 10m

Miami

Sat 7/2

9:00 a.m.-9:18 p.m.

1 stop12h 18m

C$ 526

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/12

Showing 1-10 of 21 results
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Best time to book a flight from Ottawa to Key Largo

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

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

Use this chart to determine the optimal time to book a round-trip flight from Ottawa to Key Largo. Price data was last updated on 28 November 2025.

The price you pay for your flight from Ottawa to Key Largo may vary depending on when you book. For the best chance of a lower fare, look to book 78 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 Ottawa to Key Largo?

Currently, March is the cheapest month in which you can book a flight from Ottawa to Key Largo (average of C$ 119). Flying from Ottawa to Key Largo in July is currently the most expensive (average of C$ 200). 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 YOW to KE9?

Find hourly flight availability from Ottawa 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 4 December 2025.

When flying from Ottawa to Key Largo, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 26% versus a flight in the morning.

What is the cheapest day to fly from Ottawa to Key Largo?

Use this chart to determine the cheapest time to fly round-trip from Ottawa to Key Largo. Price data was last updated on 16 December 2024.

Travelers seeking maximum savings on their Ottawa to Key Largo flight should consider departing on Monday evenings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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 4 December 2025.
See what other customers who have flown with Porter Airlines,United Airlines, andAir Canada from Ottawa to Key Largo have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
8.0
Very good
394 reviews
Check prices

Food

7.6

Comfort

8.0

Entertainment

7.0

Overall

8.0

Boarding

8.2

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
Porter Airlines
8.0
Very good
394 reviews
Porter Airlines
8.0
Very good
394 reviews
Check prices

Food

7.6

Comfort

8.0

Entertainment

7.0

Overall

8.0

Boarding

8.2

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
United Airlines
7.4
Good
9,063 reviews
Porter Airlines
8.0
Very good
394 reviews
Check prices

Food

7.6

Comfort

8.0

Entertainment

7.0

Overall

8.0

Boarding

8.2

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
Air Canada
7.1
Good
10,500 reviews
Porter Airlines
8.0
Very good
394 reviews
Check prices

Food

7.6

Comfort

8.0

Entertainment

7.0

Overall

8.0

Boarding

8.2

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out

Related info for your journey

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

    If you book a flight to Key Largo from Ottawa, you will be flying from Ottawa, which is the city’s only airport. Ottawa (YOW) is located 10.6 km from the centre of Ottawa. There are 0 flights from Ottawa to Key Largo per day from 5 different airlines.

  • How popular is this Ottawa to Key Largo flight route?

    The Ottawa to Key Largo flight path was viewed by 3 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

    Airlines like Porter Airlines, Air Canada, and United Airlines fly from Ottawa to Key Largo in about 6h 24m. The time it takes to get you to your destination can typically vary by up to 9h 32m. The distance from Ottawa to Key Largo is about 2208 km. This flight may include one or multiple stops.

  • What are the cheapest flights from Ottawa to Key Largo?

    While on average a flight from Ottawa to Key Largo is generally C$ 594, our data shows the cheapest flight currently is C$ 457. When looking at the most popular route, (Ottawa - Miami), you can expect to pay C$ 384 for that flight.

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

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

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

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

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

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

    Currently, March is the cheapest month in which you can book a flight from Ottawa to Key Largo (average of C$ 119). Flying from Ottawa to Key Largo in July is currently the most expensive (average of C$ 200). 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 Ottawa to Key Largo

Discover the top 5 airlines that operate flights from Ottawa 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 4 December 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 219AverageC$ 650FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Porter AirlinesCheapestC$ 257AverageC$ 474FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
WestJetCheapestC$ 288AverageC$ 423FlexibilityNo cancel feeOn-time60%
Search WestJet flights
United AirlinesCheapestC$ 312AverageC$ 762FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air TransatCheapestC$ 482AverageC$ 559FlexibilityNo cancel feeOn-time50%
Search Air Transat flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

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

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Ottawa to Key Largo. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Ottawa to Key Largo?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Key Largo from Ottawa.

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

Users can book flights with no change fees policies with our dedicated filters. Book flights from Ottawa to Key Largo flexibly with Cheapflights today.

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

Yes, Cheapflights offers price alerts on Ottawa to Key Largo flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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