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Cheap flights from Ottawa to Key Largo from C$ 211

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 9/2. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — MIA
19 Feb — 26 Feb1
1 adult
1 adult, Economy, 0 bags

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 20 January 2026.

Mon 26/16:45 a.m.
YOW
-
MIA
1 stop6h 24m
Porter Airlines
Mon 2/22:55 p.m.
MIA
-
YOW
Nonstop3h 40m
Porter Airlines
Deal found 19/1C$ 343
Fri 6/310:10 a.m.
YOW
-
MIA
Nonstop3h 45m
Porter Airlines
Fri 13/32:55 p.m.
MIA
-
YOW
Nonstop3h 40m
Porter Airlines
Deal found 20/1C$ 360
Mon 26/110:10 a.m.
YOW
-
MIA
Nonstop3h 45m
Porter Airlines
Fri 30/12:55 p.m.
MIA
-
YOW
Nonstop3h 40m
Porter Airlines
Deal found 19/1C$ 379
Wed 18/22:05 p.m.
YOW
-
MIA
1 stop6h 15m
Air Canada
Wed 25/28:00 a.m.
MIA
-
YOW
1 stop6h 07m
Air Canada
Deal found 19/1C$ 386
Fri 30/110:10 a.m.
YOW
-
MIA
Nonstop3h 45m
Porter Airlines
Mon 2/22:55 p.m.
MIA
-
YOW
Nonstop3h 40m
Porter Airlines
Deal found 19/1C$ 389
Sat 7/210:10 a.m.
YOW
-
MIA
Nonstop3h 45m
Porter Airlines
Mon 9/22:55 p.m.
MIA
-
YOW
Nonstop3h 40m
Porter Airlines
Deal found 18/1C$ 391
Mon 9/210:50 a.m.
YOW
-
MIA
1 stop6h 39m
Air Canada
Fri 13/27:25 a.m.
MIA
-
YOW
1 stop7h 58m
Air Canada
Deal found 19/1C$ 393
Fri 30/110:10 a.m.
YOW
-
MIA
Nonstop3h 45m
Porter Airlines
Sat 31/12:55 p.m.
MIA
-
YOW
Nonstop3h 40m
Porter Airlines
Deal found 19/1C$ 396
Tue 3/32:50 p.m.
YOW
-
MIA
1 stop7h 39m
Air Canada
Wed 4/38:00 a.m.
MIA
-
YOW
1 stop6h 07m
Air Canada
Deal found 20/1C$ 397
Mon 2/32:05 p.m.
YOW
-
MIA
1 stop6h 11m
Air Canada
Wed 4/38:00 a.m.
MIA
-
YOW
1 stop6h 07m
Air Canada
Deal found 20/1C$ 404
Tue 3/36:45 a.m.
YOW
-
MIA
1 stop6h 24m
Porter Airlines
Wed 11/32:10 p.m.
MIA
-
YOW
1 stop7h 31m
Porter Airlines
Deal found 18/1C$ 408

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 20 January 2026.

Round-trip from

C$ 360

One-way from

C$ 211

Popular in

December

Cheapest in

January

Average price

C$ 594
Porter Airlines
  • Porter Airlines
  • 6/3-13/3
  • Nonstop
  • 7h 25m total
  • Ottawa to Key Largo
Search Deals
Porter Airlines
  • Porter Airlines
  • 9/2
  • Nonstop
  • 3h 45m total
  • Ottawa to Key Largo
Search Deals
High demand for flights, 0% potential price rise
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
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 20 January 2026.
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

Wed 18/2

2:05 p.m.-8:20 p.m.

1 stop6h 15m

Miami

Wed 25/2

8:00 a.m.-2:07 p.m.

1 stop6h 07m

C$ 386

OttawaMiami

YOW - MIA

YOWMIA

Ottawa

Sat 31/1

10:10 a.m.-1:55 p.m.

Nonstop3h 45m

Miami

Fri 6/2

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

Nonstop3h 40m

C$ 414

OttawaMiami

YOW - MIA

YOWMIA

Ottawa

Mon 16/2

10:10 a.m.-1:55 p.m.

Nonstop3h 45m

Miami

Fri 20/2

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

Nonstop3h 40m

C$ 414

OttawaMiami

YOW - MIA

YOWMIA

Ottawa

Sun 1/2

6:05 p.m.-12:16 a.m.

1 stop6h 11m

Miami

Fri 6/2

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

1 stop8h 23m

C$ 419

OttawaMiami

YOW - MIA

YOWMIA

Ottawa

Mon 16/2

10:10 a.m.-1:55 p.m.

Nonstop3h 45m

Miami

Sat 21/2

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

Nonstop3h 40m

C$ 419

OttawaMiami

YOW - MIA

YOWMIA

Ottawa

Sat 25/4

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

1 stop6h 24m

Miami

Mon 27/4

2:10 p.m.-12:41 a.m.

1 stop10h 31m

C$ 432

OttawaMiami

YOW - MIA

YOWMIA

Ottawa

Wed 18/2

4:15 p.m.-12:42 a.m.

2 stops32h 27m

Miami

Wed 25/2

12:52 p.m.-5:25 p.m.

1 stop28h 33m

C$ 478

OttawaMiami

YOW - MIA

YOWMIA

Ottawa

Thu 26/2

8:40 a.m.-8:13 p.m.

2 stops11h 33m

Miami

Thu 5/3

12:52 p.m.-12:35 p.m.

1 stop23h 43m

C$ 487

OttawaMiami

YOW - MIA

YOWMIA

Ottawa

Wed 4/3

7:00 a.m.-8:13 p.m.

2 stops13h 13m

Miami

Wed 11/3

12:52 p.m.-5:25 p.m.

1 stop28h 33m

C$ 490

OttawaMiami

YOW - MIA

YOWMIA

Ottawa

Mon 2/3

10:10 a.m.-1:55 p.m.

Nonstop3h 45m

Miami

Tue 10/3

2:10 p.m.-12:41 a.m.

1 stop10h 31m

C$ 507

Flights are sorted by cheapest round-trip flights first.

Deals found on 19/1

Showing 1-10 of 23 results
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2
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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 16 January 2026.

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 6 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, February is the cheapest month in which you can book a flight from Ottawa to Key Largo (average of C$ 117). Flying from Ottawa to Key Largo in July is currently the most expensive (average of C$ 205). 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 20 January 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Ottawa to Key Largo as you normally would.

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 20 January 2026.
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
7.9
Good
412 reviews
Check prices

Comfort

7.9

Entertainment

6.9

Overall

7.9

Food

7.5

Crew

8.6

Boarding

8.2

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
7.9
Good
412 reviews
Porter Airlines
7.9
Good
412 reviews
Check prices

Comfort

7.9

Entertainment

6.9

Overall

7.9

Food

7.5

Crew

8.6

Boarding

8.2

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
9,189 reviews
Porter Airlines
7.9
Good
412 reviews
Check prices

Comfort

7.9

Entertainment

6.9

Overall

7.9

Food

7.5

Crew

8.6

Boarding

8.2

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
10,644 reviews
Porter Airlines
7.9
Good
412 reviews
Check prices

Comfort

7.9

Entertainment

6.9

Overall

7.9

Food

7.5

Crew

8.6

Boarding

8.2

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 12 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 Air Canada and Porter Airlines fly from Ottawa to Key Largo in about 3h 45m. The time it takes to get you to your destination can typically vary by up to 2h 30m. 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$ 701, our data shows the cheapest flight currently is C$ 365. When looking at the most popular route, (Ottawa - Miami), you can expect to pay C$ 332 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, February is the cheapest month in which you can book a flight from Ottawa to Key Largo (average of C$ 117). Flying from Ottawa to Key Largo in July is currently the most expensive (average of C$ 205). 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 20 January 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 182AverageC$ 629FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Porter AirlinesCheapestC$ 241AverageC$ 471FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
United AirlinesCheapestC$ 248AverageC$ 633FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
WestJetCheapestC$ 368AverageC$ 443FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Air TransatCheapestC$ 479AverageC$ 563FlexibilityNo 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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