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Cheap flights from Ottawa to Key Largo from C$ 269

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 17/6. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — MIA
4 May — 11 May1
1 adult

Cheapflights Tip: The best prices from Ottawa to Key Largo are usually found in April or October, booked 82 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 29 April 2025.

Round-trip from

C$ 468

One-way from

C$ 299

Popular in

August

Cheapest in

April

Average price

C$ 728
19/5-24/5
  • 19/5-24/5
  • 3 total stops
  • 35h 10m total
  • Ottawa to Key Largo
Air Canada
  • Air Canada
  • 29/6
  • 1 total stop
  • 7h 11m total
  • Ottawa to Key Largo
Highest demand for flights based on searches. 3% potential increase in price (C$ 37 potential increase over avg. RT price).
Cheapest flight prices on average. 0% potential price decrease (C$ 11 potential savings vs. average RT price).
Average for round-trip flights in April 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 29 April 2025.

Mon 19/511:15 a.m.YOW - MIA
1 stop8h 43mMultiple Airlines
Sat 24/52:29 p.m.MIA - YOW
1 stop25h 27mMultiple Airlines
Deal found 28/4C$ 468
Tue 10/66:00 a.m.YOW - MIA
1 stop7h 18mAir Canada
Tue 17/67:06 a.m.MIA - YOW
1 stop9h 37mAir Canada
Deal found 27/4C$ 538
Tue 1/76:33 a.m.YOW - MIA
1 stop8h 37mUnited Airlines
Sat 5/712:20 p.m.MIA - YOW
1 stop9h 15mUnited Airlines
Deal found 27/4C$ 546
Tue 10/65:55 a.m.YOW - MIA
2 stops16h 42mWestJet
Sun 15/67:10 a.m.MIA - YOW
2 stops17h 12mWestJet
Deal found 26/4C$ 639
Sat 24/57:00 a.m.YOW - MIA
1 stop5h 55mPorter Airlines
Sat 31/51:55 p.m.MIA - YOW
1 stop7h 06mPorter Airlines
Deal found 26/4C$ 809
Thu 7/85:55 a.m.YOW - MIA
2 stops15h 23mDelta
Sun 17/88:05 a.m.MIA - YOW
2 stops16h 17mDelta
Deal found 27/4C$ 855
Thu 5/69:55 p.m.YOW - MIA
2 stops14h 20mAvianca
Sun 8/65:45 p.m.MIA - YOW
3 stops15h 29mAvianca
Deal found 28/4C$ 1,348

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 29 April 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

Mon 19/5

10:15 a.m.-7:58 p.m.

2 stops9h 43m

Miami

Sat 24/5

2:29 p.m.-3:56 p.m.

1 stop25h 27m

C$ 468

OttawaMiami

YOW - MIA

YOWMIA

Ottawa

Tue 10/6

6:00 a.m.-1:18 p.m.

1 stop7h 18m

Miami

Tue 17/6

7:06 a.m.-4:43 p.m.

1 stop9h 37m

C$ 538

OttawaMiami

YOW - MIA

YOWMIA

Ottawa

Tue 1/7

6:33 a.m.-3:10 p.m.

1 stop8h 37m

Miami

Sat 5/7

12:20 p.m.-9:35 p.m.

1 stop9h 15m

C$ 546

OttawaMiami

YOW - MIA

YOWMIA

Ottawa

Tue 10/6

5:55 a.m.-10:37 p.m.

2 stops16h 42m

Miami

Sun 15/6

7:10 a.m.-12:22 a.m.

2 stops17h 12m

C$ 639

OttawaMiami

YOW - MIA

YOWMIA

Ottawa

Sat 24/5

7:00 a.m.-12:55 p.m.

1 stop5h 55m

Miami

Sat 31/5

1:55 p.m.-9:01 p.m.

1 stop7h 06m

C$ 809

OttawaMiami

YOW - MIA

YOWMIA

Ottawa

Thu 7/8

5:55 a.m.-9:18 p.m.

2 stops15h 23m

Miami

Sun 17/8

8:05 a.m.-12:22 a.m.

2 stops16h 17m

C$ 855

OttawaMiami

YOW - MIA

YOWMIA

Ottawa

Thu 5/6

9:55 p.m.-12:15 p.m.

2 stops14h 20m

Miami

Sun 8/6

5:45 p.m.-9:14 a.m.

3 stops15h 29m

C$ 1,348

OttawaMiami

YOW - MIA

YOWMIA

Ottawa

Tue 17/6

11:00 a.m.-8:00 p.m.

1 stop9h 00m

C$ 269

OttawaMiami

YOW - MIA

YOWMIA

Ottawa

Sun 29/6

6:00 a.m.-1:11 p.m.

1 stop7h 11m

C$ 299

OttawaMiami

YOW - MIA

YOWMIA

Ottawa

Sat 21/6

5:15 a.m.-10:45 p.m.

2 stops17h 30m

C$ 320

Flights are sorted by cheapest round-trip flights first.

Deals found on 27/4

Showing 1-10 of 12 results
1
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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 25 April 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 82 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 29 April 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.

Rainfall in Key Largo by month

Plan your trip to Key Largo by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Key Largo ranges from 41.0 - 252.0 mm per month. September is typically the wettest month, when rainfall can reach 252.0 mm. January is typically the driest time to visit Key Largo when rainfall is around 41.0 mm.

Temperature in Key Largo by month

Plan your trip to Key Largo by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Key Largo, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 29.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 20.0 C).

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 29 April 2025.
See what other customers who have flown with Porter Airlines, Delta and United Airlines from Ottawa to Key Largo have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Overall

8.0

Crew

8.8

Entertainment

7.0

Boarding

8.2

Food

7.6

Comfort

8.1

Reviews

1 / 18
10.0
Excellent

Anonymous,Apr 2025

MCO - YHZ

A good flight and the crew was very nice. Thank you

Overall

8.0

Crew

8.8

Entertainment

7.0

Boarding

8.2

Food

7.6

Comfort

8.1

Reviews

1 / 18
10.0
Excellent

Anonymous,Apr 2025

MCO - YHZ

A good flight and the crew was very nice. Thank you
8.0
Very good

Overall

8.0

Crew

8.8

Entertainment

7.0

Boarding

8.2

Food

7.6

Comfort

8.1

Reviews

1 / 18
10.0
Excellent

Anonymous,Apr 2025

MCO - YHZ

A good flight and the crew was very nice. Thank you

Overall

8.0

Crew

8.8

Entertainment

7.0

Boarding

8.2

Food

7.6

Comfort

8.1

Reviews

1 / 18
10.0
Excellent

Anonymous,Apr 2025

MCO - YHZ

A good flight and the crew was very nice. Thank you

Overall

8.0

Crew

8.8

Entertainment

7.0

Boarding

8.2

Food

7.6

Comfort

8.1

Reviews

1 / 18
10.0
Excellent

Anonymous,Apr 2025

MCO - YHZ

A good flight and the crew was very nice. Thank you

Overall

8.0

Crew

8.8

Entertainment

7.0

Boarding

8.2

Food

7.6

Comfort

8.1

Reviews

1 / 18
10.0
Excellent

Anonymous,Apr 2025

MCO - YHZ

A good flight and the crew was very nice. Thank you

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.

  • 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 Air Canada (C$ 299), United Airlines (C$ 320), and WestJet (C$ 353).

  • 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 29 April 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 234AverageC$ 685FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Porter AirlinesCheapestC$ 262AverageC$ 512FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
WestJetCheapestC$ 286AverageC$ 508FlexibilityNo cancel feeOn-time60%
Search WestJet flights
United AirlinesCheapestC$ 334AverageC$ 823FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air TransatCheapestC$ 471AverageC$ 484FlexibilityNo cancel feeOn-time50%
Search Air Transat flights

Fly with Cheapflights

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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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