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Cheap flights from Ottawa to Key Largo from C$ 302

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 12/6. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — MIA
21 Jun — 28 Jun1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Ottawa to Key Largo are usually found in April or March, booked 4 days in advance, depart on a Monday or Tuesday 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 22 May 2026.

Wed 10/63:00 p.m.
YOW
-
MIA
1 stop7h 17m
Air Canada
Wed 17/67:15 a.m.
MIA
-
YOW
1 stop6h 44m
Air Canada
Deal found 19/5C$ 505
Wed 17/69:10 a.m.
YOW
-
MIA
1 stop7h 57m
Air Canada
Wed 24/61:10 p.m.
MIA
-
YOW
1 stop8h 10m
Air Canada
Deal found 20/5C$ 512
Wed 3/66:25 a.m.
YOW
-
MIA
1 stop16h 02m
United Airlines
Wed 10/67:07 a.m.
MIA
-
YOW
1 stop14h 58m
United Airlines
Deal found 18/5C$ 521
Fri 5/62:45 p.m.
YOW
-
MIA
1 stop7h 32m
Air Canada
Fri 12/61:10 p.m.
MIA
-
YOW
1 stop8h 06m
Air Canada
Deal found 20/5C$ 548
Thu 18/62:35 p.m.
YOW
-
MIA
1 stop7h 36m
Air Canada
Sat 20/67:15 a.m.
MIA
-
YOW
1 stop6h 43m
Air Canada
Deal found 20/5C$ 563
Thu 18/62:35 p.m.
YOW
-
MIA
1 stop7h 36m
Air Canada
Thu 25/67:15 a.m.
MIA
-
YOW
1 stop12h 30m
Air Canada
Deal found 20/5C$ 584
Thu 11/65:05 a.m.
YOW
-
MIA
1 stop7h 08m
Air Canada
Thu 18/69:45 p.m.
MIA
-
YOW
1 stop11h 30m
Air Canada
Deal found 20/5C$ 591
Tue 16/62:35 p.m.
YOW
-
MIA
1 stop7h 42m
Air Canada
Wed 24/61:10 p.m.
MIA
-
YOW
1 stop8h 10m
Air Canada
Deal found 18/5C$ 595
Thu 18/63:10 p.m.
YOW
-
MIA
1 stop7h 01m
Air Canada
Tue 23/61:10 p.m.
MIA
-
YOW
1 stop8h 10m
Air Canada
Deal found 19/5C$ 616
Wed 10/65:05 a.m.
YOW
-
MIA
2 stops11h 11m
United Airlines
Wed 17/68:48 a.m.
MIA
-
YOW
1 stop13h 17m
United Airlines
Deal found 19/5C$ 628

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 22 May 2026.

Round-trip from

C$ 505

One-way from

C$ 302

Popular in

December

Cheapest in

April

Average price

C$ 793
Air Canada
  • Air Canada
  • 10/6-17/6
  • 2 total stops
  • 14h 01m total
  • Ottawa to Key Largo
Search Deals
United Airlines
  • United Airlines
  • 12/6
  • 1 total stop
  • 16h 02m total
  • Ottawa to Key Largo
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (C$ 57 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 26 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 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 22 May 2026.
Use the filters below to find and compare flights from Ottawa to Key Largo that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OttawaMiami

YOW - MIA

YOWMIA

Ottawa

Wed 3/6

6:25 a.m.-10:27 p.m.

1 stop16h 02m

Miami

Wed 10/6

7:07 a.m.-10:05 p.m.

1 stop14h 58m

C$ 521
Quickest round-trip

OttawaMiami

YOW - MIA

YOWMIA

Ottawa

Wed 3/6

6:05 a.m.-2:38 p.m.

1 stop8h 33m

Miami

Thu 4/6

7:07 a.m.-4:38 p.m.

1 stop9h 31m

C$ 521

OttawaMiami

YOW - MIA

YOWMIA

Ottawa

Mon 1/6

5:05 a.m.-10:27 p.m.

2 stops17h 22m

Miami

Fri 5/6

8:31 p.m.-9:11 a.m.

1 stop12h 40m

C$ 770

OttawaMiami

YOW - MIA

YOWMIA

Ottawa

Sat 6/6

5:05 a.m.-10:27 p.m.

2 stops17h 22m

Miami

Sat 13/6

8:40 p.m.-10:05 p.m.

1 stop25h 25m

C$ 792

OttawaMiami

YOW - MIA

YOWMIA

Ottawa

Fri 16/10

6:55 a.m.-10:45 p.m.

2 stops15h 50m

Miami

Sat 24/10

8:05 a.m.-5:35 p.m.

2 stops9h 30m

C$ 870
Cheapest one-way

OttawaMiami

YOW - MIA

YOWMIA

Ottawa

Fri 12/6

6:25 a.m.-10:27 p.m.

1 stop16h 02m

C$ 302

OttawaMiami

YOW - MIA

YOWMIA

Ottawa

Mon 1/6

3:10 p.m.-11:22 p.m.

1 stop8h 12m

C$ 302
Quickest one-way

OttawaMiami

YOW - MIA

YOWMIA

Ottawa

Tue 30/6

6:00 a.m.-11:35 a.m.

1 stop5h 35m

C$ 303

OttawaMiami

YOW - MIA

YOWMIA

Ottawa

Sat 20/6

6:00 a.m.-11:35 a.m.

1 stop5h 35m

C$ 313

OttawaMiami

YOW - MIA

YOWMIA

Ottawa

Mon 1/6

7:00 a.m.-1:20 p.m.

2 stops30h 20m

C$ 354

Flights are sorted by cheapest round-trip flights first.

Deals found on 19/5

Showing 1-10 of 14 resultsSorted by cheapest first
1
2

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

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 22 May 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.

How much does it cost to fly round-trip from Ottawa 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 22 May 2026.
See what other customers who have flown with Porter Airlines,Air Transat, andUnited Airlines 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
439 reviews
Check prices

Boarding

8.2

Entertainment

7.0

Overall

8.0

Food

7.6

Crew

8.6

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.
Porter Airlines
8.0
Very good
439 reviews
Porter Airlines
8.0
Very good
439 reviews
Check prices

Boarding

8.2

Entertainment

7.0

Overall

8.0

Food

7.6

Crew

8.6

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.
Air Transat
7.8
Good
553 reviews
Porter Airlines
8.0
Very good
439 reviews
Check prices

Boarding

8.2

Entertainment

7.0

Overall

8.0

Food

7.6

Crew

8.6

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.
United Airlines
7.4
Good
9,752 reviews
Porter Airlines
8.0
Very good
439 reviews
Check prices

Boarding

8.2

Entertainment

7.0

Overall

8.0

Food

7.6

Crew

8.6

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.
American Airlines
7.1
Good
11,643 reviews
Porter Airlines
8.0
Very good
439 reviews
Check prices

Boarding

8.2

Entertainment

7.0

Overall

8.0

Food

7.6

Crew

8.6

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.
Air Canada
7.1
Good
11,075 reviews
Porter Airlines
8.0
Very good
439 reviews
Check prices

Boarding

8.2

Entertainment

7.0

Overall

8.0

Food

7.6

Crew

8.6

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.

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 24 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 United Airlines fly from Ottawa to Key Largo in about 16h 02m. The time it takes to get you to your destination can typically vary by up to . The distance from Ottawa to Key Largo is about 2208 km.

  • What are the cheapest airlines to fly from Ottawa to Key Largo one-way?

    The cheapest airlines for a one-way flight from Ottawa to Key Largo are Porter Airlines (C$ 184), Air Canada (C$ 212), and United Airlines (C$ 225).

  • What are the most reliable airlines from Ottawa to Key Largo?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Ottawa to Key Largo on time: Air Transat (83%), American Airlines (62%), Porter Airlines (62%).

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

    While on average a flight from Ottawa to Key Largo is generally C$ 515, our data shows the cheapest flight currently is C$ 464. When looking at the most popular route, (Ottawa - Miami), you can expect to pay C$ 585 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.

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 22 May 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 168AverageC$ 589FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 182AverageC$ 606FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Porter AirlinesCheapestC$ 237AverageC$ 469FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air TransatCheapestC$ 464AverageC$ 541FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
American AirlinesCheapestC$ 592AverageC$ 809FlexibilityNo cancel feeOn-time71%
Search American Airlines 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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