Cheap flights from Ottawa to Key Largo from C$ 258

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 24/10. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — MIA
11 Oct — 18 Oct1
1 adult
1 adult, Economy

Cheapflights Tip: The best prices from Ottawa to Key Largo are usually found in June or October, booked 60 days in advance, depart on a Monday or Tuesday and return on a Monday

Cheap 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 11 September 2025.

Round-trip from

C$ 441

One-way from

C$ 258

Popular in

August

Cheapest in

June

Average price

C$ 752
8/10-15/10
  • 8/10-15/10
  • 4 total stops
  • 22h 55m total
  • Ottawa to Key Largo
24/10
  • 24/10
  • 2 total stops
  • 31h 18m total
  • Ottawa to Key Largo
Highest demand for flights based on searches. 0% potential increase in price (C$ 7 potential increase over avg. RT price).
Cheapest flight prices on average. 0% potential price decrease (C$ 8 potential savings vs. average RT price).
Average for round-trip flights in September 2025

Find flight deals from Ottawa to Key Largo

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 11 September 2025.

Wed 8/1011:00 a.m.YOW - MIA
2 stops12h 10mMultiple Airlines
Wed 15/109:49 a.m.MIA - YOW
2 stops10h 45mMultiple Airlines
Deal found 11/9C$ 441
Tue 7/1010:50 a.m.YOW - MIA
1 stop7h 17mMultiple Airlines
Tue 14/109:49 a.m.MIA - YOW
1 stop29h 07mMultiple Airlines
Deal found 9/9C$ 449
Fri 3/103:25 p.m.YOW - MIA
2 stops20h 32mMultiple Airlines
Mon 6/109:49 a.m.MIA - YOW
1 stop29h 07mMultiple Airlines
Deal found 8/9C$ 450
Fri 24/104:05 p.m.YOW - MIA
1 stop25h 59mMultiple Airlines
Fri 31/106:00 a.m.MIA - YOW
2 stops18h 42mMultiple Airlines
Deal found 9/9C$ 452
Sat 25/105:55 a.m.YOW - MIA
2 stops27h 09mMultiple Airlines
Sat 1/112:35 p.m.MIA - YOW
1 stop23h 00mMultiple Airlines
Deal found 9/9C$ 457
Sat 27/99:35 a.m.YOW - MIA
2 stops13h 42mMultiple Airlines
Tue 30/98:04 p.m.MIA - YOW
1 stop18h 52mMultiple Airlines
Deal found 9/9C$ 460
Fri 17/104:25 p.m.YOW - MIA
2 stops25h 57mMultiple Airlines
Sat 25/102:55 p.m.MIA - YOW
1 stop21h 40mMultiple Airlines
Deal found 9/9C$ 464
Mon 13/101:25 p.m.YOW - MIA
2 stops28h 42mMultiple Airlines
Sat 18/1010:29 p.m.MIA - YOW
1 stop17h 27mMultiple Airlines
Deal found 9/9C$ 468

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 11 September 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

Fri 3/10

3:25 p.m.-11:57 a.m.

2 stops20h 32m

Miami

Mon 6/10

9:49 a.m.-2:56 p.m.

1 stop29h 07m

C$ 450

OttawaMiami

YOW - MIA

YOWMIA

Ottawa

Sat 27/9

11:50 a.m.-11:17 p.m.

1 stop11h 27m

Miami

Tue 30/9

8:04 p.m.-2:56 p.m.

1 stop18h 52m

C$ 463

OttawaMiami

YOW - MIA

YOWMIA

Ottawa

Thu 9/10

10:50 a.m.-5:10 p.m.

1 stop6h 20m

Miami

Thu 16/10

9:49 a.m.-2:56 p.m.

1 stop29h 07m

C$ 499

OttawaMiami

YOW - MIA

YOWMIA

Ottawa

Sun 7/12

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

1 stop6h 04m

Miami

Fri 12/12

7:30 a.m.-1:36 p.m.

1 stop6h 06m

C$ 536

OttawaMiami

YOW - MIA

YOWMIA

Ottawa

Thu 9/10

10:50 a.m.-5:10 p.m.

1 stop6h 20m

Miami

Mon 13/10

10:24 a.m.-2:56 p.m.

2 stops28h 32m

C$ 554

OttawaMiami

YOW - MIA

YOWMIA

Ottawa

Sat 25/10

8:25 a.m.-6:04 p.m.

1 stop9h 39m

Miami

Sat 1/11

6:20 a.m.-12:42 a.m.

3 stops18h 22m

C$ 565

OttawaMiami

YOW - MIA

YOWMIA

Ottawa

Fri 5/12

5:40 a.m.-1:09 p.m.

1 stop7h 29m

Miami

Wed 10/12

7:05 p.m.-3:04 p.m.

2 stops19h 59m

C$ 592

OttawaMiami

YOW - MIA

YOWMIA

Ottawa

Wed 1/10

7:00 a.m.-9:01 a.m.

3 stops26h 01m

Miami

Wed 8/10

9:49 a.m.-7:34 p.m.

2 stops9h 45m

C$ 610

OttawaMiami

YOW - MIA

YOWMIA

Ottawa

Wed 7/1

5:40 a.m.-1:09 p.m.

1 stop7h 29m

Miami

Wed 14/1

10:05 p.m.-12:35 p.m.

1 stop14h 30m

C$ 612

OttawaMiami

YOW - MIA

YOWMIA

Ottawa

Tue 7/10

11:55 a.m.-10:50 p.m.

2 stops10h 55m

Miami

Tue 14/10

6:00 a.m.-5:04 p.m.

2 stops11h 04m

C$ 639

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 15 results
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

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 29 August 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 60 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, April is the cheapest month in which you can book a flight from Ottawa to Key Largo (average of C$ 251). Flying from Ottawa to Key Largo in August is currently the most expensive (average of C$ 369). 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 11 September 2025.

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.

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 Tuesday afternoons when fares are most often at their lowest. Monday 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 11 September 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.

Entertainment

7.0

Food

7.6

Boarding

8.1

Comfort

7.9

Overall

7.9

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.

Entertainment

7.0

Food

7.6

Boarding

8.1

Comfort

7.9

Overall

7.9

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.

Entertainment

7.0

Food

7.6

Boarding

8.1

Comfort

7.9

Overall

7.9

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.

Entertainment

7.0

Food

7.6

Boarding

8.1

Comfort

7.9

Overall

7.9

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.

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 long is the flight from Ottawa to Key Largo?

    Airlines like United Airlines fly from Ottawa to Key Largo in about 6h 04m. 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.

  • 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, April is the cheapest month in which you can book a flight from Ottawa to Key Largo (average of C$ 251). Flying from Ottawa to Key Largo in August is currently the most expensive (average of C$ 369). 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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Alternative routes for Ottawa to Key Largo

See prices for flight routes from nearby airports that may be better suited for you.

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 11 September 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 221AverageC$ 654FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Porter AirlinesCheapestC$ 263AverageC$ 485FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
WestJetCheapestC$ 274AverageC$ 419FlexibilityNo cancel feeOn-time60%
Search WestJet flights
United AirlinesCheapestC$ 334AverageC$ 760FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air TransatCheapestC$ 471AverageC$ 496FlexibilityNo cancel feeOn-time50%
Search Air Transat flights

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

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

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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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