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$190+ Cheap flights from Key Largo, FL to Ottawa (YOW)

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 11/20. Fares are subject to change and may not be available on all flights or dates of travel.
MIA — YOW
Dec 3 — Dec 101
Wed 12/3
Wed 12/10
1 adult, Economy
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Cheap flight deals from Key Largo to Ottawa

Keep the following information in mind while searching for Key Largo to Ottawa flight deals. Data was last updated November 3, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$340
(Kiwi.com)

One-way from

$190
(Kiwi.com)

Popular in

March

Cheapest in

November

Average price

$260
Provider with most accurate pricing for Miami-Ottawa flight deals.
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Provider most trusted by Cheapflights users for Miami-Ottawa flights.
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From Key Largo to Ottawa
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One-way flight from Key Largo to Ottawa
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Highest demand for flights based on searches. 25% potential increase in price ($211 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($33 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Find flight deals from Key Largo to Ottawa

Cheapest flights from Key Largo to Ottawa
Explore the most affordable flight options available from Key Largo to Ottawa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 3, 2025.

This Kiwi.com deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1710:15 pmMIA - YOW
1 stop14h 20mMultiple Airlines
Mon 11/249:30 amYOW - MIA
2 stops31h 39mMultiple Airlines
Deal found 11/2$372
This Kiwi.com deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/2610:40 amMIA - YOW
1 stop6h 45mMultiple Airlines
Mon 1/129:30 amYOW - MIA
2 stops15h 16mMultiple Airlines
Deal found 11/2$375
This Kiwi.com deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/2512:41 pmMIA - YOW
1 stop23h 54mMultiple Airlines
Thu 11/274:15 pmYOW - MIA
2 stops19h 08mMultiple Airlines
Deal found 11/2$401
This Kiwi.com deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/2610:40 amMIA - YOW
1 stop6h 45mMultiple Airlines
Sun 1/118:40 amYOW - MIA
2 stops12h 20mMultiple Airlines
Deal found 11/2$411
This Kiwi.com deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2710:40 amMIA - YOW
1 stop6h 45mMultiple Airlines
Tue 1/139:30 amYOW - MIA
2 stops11h 21mMultiple Airlines
Deal found 11/2$435
This Kiwi.com deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/257:14 pmMIA - YOW
1 stop17h 21mMultiple Airlines
Thu 1/14:35 pmYOW - MIA
2 stops17h 00mMultiple Airlines
Deal found 11/1$440
This Kiwi.com deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/168:53 pmMIA - YOW
1 stop15h 42mMultiple Airlines
Tue 12/234:20 pmYOW - MIA
2 stops27h 10mMultiple Airlines
Deal found 11/1$446
This Kiwi.com deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/2610:40 amMIA - YOW
1 stop6h 45mMultiple Airlines
Tue 1/135:40 amYOW - MIA
1 stop7h 29mMultiple Airlines
Deal found 11/2$447
This Kiwi.com deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/2610:40 amMIA - YOW
1 stop6h 45mMultiple Airlines
Wed 1/76:45 amYOW - MIA
1 stop6h 24mMultiple Airlines
Deal found 11/2$454

Cheapflights Fare Finder

 
Customize your flight search to find flights from Key Largo to Ottawa 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 2,558,603 searches. Data last updated November 3, 2025.
Use the filters below to find and compare flights from Key Largo to Ottawa that are best for you.

Fly from

Key Largo

Fly to

Ottawa

Route

Depart

Return

Price

MiamiOttawa

MIA - YOW

MIAYOW

Miami

Tue 12/16

8:53 pm-12:35 pm

1 stop15h 42m

Ottawa

Tue 12/23

4:20 pm-7:30 pm

2 stops27h 10m

$446

MiamiOttawa

MIA - YOW

MIAYOW

Miami

Fri 1/16

8:00 am-4:23 pm

1 stop8h 23m

Ottawa

Sun 1/18

2:50 pm-10:29 pm

1 stop7h 39m

$453

MiamiOttawa

MIA - YOW

MIAYOW

Miami

Thu 1/15

8:00 am-4:23 pm

1 stop8h 23m

Ottawa

Wed 1/21

2:50 pm-10:29 pm

1 stop7h 39m

$453

MiamiOttawa

MIA - YOW

MIAYOW

Miami

Fri 1/16

6:00 am-1:32 pm

1 stop7h 32m

Ottawa

Fri 1/16

5:55 pm-11:59 pm

1 stop6h 04m

$468

MiamiOttawa

MIA - YOW

MIAYOW

Miami

Sun 1/18

9:00 am-9:18 pm

1 stop12h 18m

Ottawa

Wed 1/21

9:45 am-4:22 pm

1 stop6h 37m

$468

MiamiOttawa

MIA - YOW

MIAYOW

Miami

Sat 1/17

6:00 am-1:32 pm

1 stop7h 32m

Ottawa

Sat 1/17

5:55 pm-11:59 pm

1 stop6h 04m

$468

MiamiOttawa

MIA - YOW

MIAYOW

Miami

Sat 1/17

7:15 am-1:32 pm

1 stop6h 17m

Ottawa

Wed 1/21

5:55 pm-11:59 pm

1 stop6h 04m

$468

MiamiOttawa

MIA - YOW

MIAYOW

Miami

Fri 1/16

9:00 am-5:12 pm

1 stop8h 12m

Ottawa

Sat 1/17

6:20 am-3:05 pm

1 stop8h 45m

$468

MiamiOttawa

MIA - YOW

MIAYOW

Miami

Mon 1/19

6:00 am-1:32 pm

1 stop7h 32m

Ottawa

Wed 1/21

9:45 am-4:22 pm

1 stop6h 37m

$468

MiamiOttawa

MIA - YOW

MIAYOW

Miami

Thu 12/25

7:14 pm-11:29 am

2 stops16h 15m

Ottawa

Thu 1/1

2:45 pm-9:35 am

2 stops18h 50m

$481

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/2

Showing 1-10 of 19 results
1
2

Best time to book a flight from Key Largo to Ottawa

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

What is the cheapest month to book a flight from Key Largo to Ottawa?

Currently, April is the cheapest month in which you can book a flight from Key Largo to Ottawa (average of $39). Flying from Key Largo to Ottawa in July is currently the most expensive (average of $118). 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 KE9 to YOW?

Find hourly flight availability from Key Largo to Ottawa. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 3, 2025.

A simple way to save on the total cost of your ticket is to fly from Key Largo to Ottawa in the afternoon. If you’re flexible enough to do this you can expect to save up to 37% on your trip compared to booking a flight at noon.

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

Use this chart to determine the cheapest time to fly round-trip from Key Largo to Ottawa. Price data was last updated on October 26, 2025.

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

Reviews of airlines servicing Ottawa

Get insights into the airlines that provide service to Ottawa. 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 Ottawa. Reviews last updated November 3, 2025.
Peruse reviews from past customers who have flown with Porter Airlines and Air Canada from Key Largo to Ottawa to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
8.0
Very good
384 reviews

Crew

8.6

Comfort

8.0

Food

7.6

Entertainment

7.0

Boarding

8.2

Overall

8.0

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.
Porter Airlines
8.0
Very good
384 reviews
Porter Airlines
8.0
Very good
384 reviews

Crew

8.6

Comfort

8.0

Food

7.6

Entertainment

7.0

Boarding

8.2

Overall

8.0

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.
Air Canada
7.1
Good
10,392 reviews
Porter Airlines
8.0
Very good
384 reviews

Crew

8.6

Comfort

8.0

Food

7.6

Entertainment

7.0

Boarding

8.2

Overall

8.0

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 Key Largo to Ottawa. 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 into for flights to Ottawa from Key Largo?

    Located just 6.6 mi from the city center, Ottawa is the airport most travelers will use when flying to Ottawa from Key Largo. Booking flights from Key Largo to Ottawa (YOW) should be relatively easy as there are 0 daily inbound flights from Key Largo from 3 different airlines.

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

    Air Canada and United Airlines can get you from Key Largo to Ottawa in just under 7h 32m. Your travel time can differ by up to 51m. The distance between Key Largo and Ottawa is about 1372 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

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

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

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

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

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

    Currently, April is the cheapest month in which you can book a flight from Key Largo to Ottawa (average of $39). Flying from Key Largo to Ottawa in July is currently the most expensive (average of $118). 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

Traveling to a place near Ottawa?

Book flights to Ottawa if you plan to visit one of these locations
Gatineau
Petawawa

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Alternative routes for Key Largo to Ottawa

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Top 3 airlines flying from Key Largo to Ottawa

Discover the top 3 airlines that operate flights from Key Largo to Ottawa. 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 2,558,603 searches. Data last updated November 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$111Average$428FlexibilityNo cancel feeOn-time67%
Porter AirlinesCheapest$120Average$307FlexibilityNo cancel feeOn-time52%
United AirlinesCheapest$128Average$344FlexibilityNo cancel feeOn-time69%

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