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$131+ 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 2/28. Fares are subject to change and may not be available on all flights or dates of travel.
MIA — YOW
Mar 6 — Mar 131
Fri 3/6
Fri 3/13
1 adult, Economy
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Cheap 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 February 4, 2026.

This FlightHub deal was found by Cheapflights users on 2/3. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/142:55 pm
MIA
-
YOW
Nonstop3h 40m
Porter Airlines
Sat 3/2110:10 am
YOW
-
MIA
Nonstop3h 45m
Porter Airlines
Deal found 2/3$291
This Kiwi.com deal was found by Cheapflights users on 2/3. 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.
Wed 3/46:00 am
MIA
-
YOW
1 stop11h 25m
Multiple Airlines
Wed 3/113:55 pm
YOW
-
MIA
1 stop10h 14m
Multiple Airlines
Deal found 2/3$301
This Kiwi.com deal was found by Cheapflights users on 2/3. 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.
Wed 2/187:05 am
MIA
-
YOW
2 stops17h 20m
Multiple Airlines
Tue 2/243:55 pm
YOW
-
MIA
1 stop28h 18m
Multiple Airlines
Deal found 2/3$315
This Kiwi.com deal was found by Cheapflights users on 2/2. 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 2/286:00 am
MIA
-
YOW
1 stop10h 25m
Multiple Airlines
Sat 3/78:40 am
YOW
-
MIA
2 stops17h 29m
Multiple Airlines
Deal found 2/2$335
This Kiwi.com deal was found by Cheapflights users on 2/2. 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 3/146:49 pm
MIA
-
YOW
2 stops20h 15m
Multiple Airlines
Sat 3/213:55 pm
YOW
-
MIA
1 stop10h 14m
Multiple Airlines
Deal found 2/2$341
This Kiwi.com deal was found by Cheapflights users on 2/2. 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 2/272:55 pm
MIA
-
YOW
Nonstop3h 40m
Porter Airlines
Sat 3/710:10 am
YOW
-
MIA
Nonstop3h 45m
Porter Airlines
Deal found 2/2$343
This Kiwi.com deal was found by Cheapflights users on 2/2. 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.
Thu 3/197:00 am
MIA
-
YOW
1 stop10h 25m
Multiple Airlines
Sat 3/218:40 am
YOW
-
MIA
2 stops10h 36m
Multiple Airlines
Deal found 2/2$344

Find 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 February 4, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$291
(FlightHub)

One-way from

$131
(Kiwi.com)

Popular in

February

Cheapest in

January

Average price

$908
Provider with most accurate pricing for Miami-Ottawa flight deals.
Search Deals
Provider most trusted by Cheapflights users for Miami-Ottawa flights.
Search Deals
From Key Largo to Ottawa
Search Deals
One-way flight from Key Largo to Ottawa
Search Deals
High demand for flights, 7% potential price rise
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($36 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

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 February 4, 2026.
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

Wed 3/4

6:00 am-5:25 pm

1 stop11h 25m

Ottawa

Wed 3/11

3:55 pm-2:09 am

1 stop10h 14m

$301

MiamiOttawa

MIA - YOW

MIAYOW

Miami

Wed 2/18

2:52 pm-5:25 pm

1 stop26h 33m

Ottawa

Tue 2/24

3:55 pm-8:13 pm

1 stop28h 18m

$324

MiamiOttawa

MIA - YOW

MIAYOW

Miami

Sat 3/14

6:49 pm-3:04 pm

2 stops20h 15m

Ottawa

Sat 3/21

3:55 pm-2:09 am

1 stop10h 14m

$341

MiamiOttawa

MIA - YOW

MIAYOW

Miami

Wed 2/18

8:00 am-4:23 pm

1 stop8h 23m

Ottawa

Wed 2/25

9:15 am-3:21 pm

1 stop6h 06m

$344

MiamiOttawa

MIA - YOW

MIAYOW

Miami

Thu 3/19

7:00 am-5:25 pm

1 stop10h 25m

Ottawa

Sat 3/21

8:40 am-7:16 pm

2 stops10h 36m

$344

MiamiOttawa

MIA - YOW

MIAYOW

Miami

Wed 2/18

2:52 pm-5:25 pm

1 stop26h 33m

Ottawa

Wed 2/25

7:00 am-10:28 am

2 stops27h 28m

$345

MiamiOttawa

MIA - YOW

MIAYOW

Miami

Wed 2/18

6:00 am-5:25 pm

1 stop11h 25m

Ottawa

Fri 2/20

7:00 am-12:16 pm

2 stops29h 16m

$357

MiamiOttawa

MIA - YOW

MIAYOW

Miami

Fri 5/15

1:05 pm-1:36 am

1 stop12h 31m

Ottawa

Mon 5/18

11:15 am-5:07 pm

1 stop5h 52m

$369

MiamiOttawa

MIA - YOW

MIAYOW

Miami

Sat 2/28

6:00 am-4:25 pm

1 stop10h 25m

$131

MiamiOttawa

MIA - YOW

MIAYOW

Miami

Fri 2/27

6:00 am-5:25 pm

1 stop11h 25m

$140

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/3

Showing 1-10 of 18 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 $41). 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 February 4, 2026.

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 35% 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 January 31, 2026.

Travelers seeking maximum savings on their Key Largo to Ottawa flight should consider departing on Saturday mornings when fares are most often at their lowest. Sunday 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 February 4, 2026.
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
7.9
Good
412 reviews

Overall

7.9

Entertainment

6.9

Crew

8.6

Comfort

7.9

Food

7.5

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

Overall

7.9

Entertainment

6.9

Crew

8.6

Comfort

7.9

Food

7.5

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
10,688 reviews
Porter Airlines
7.9
Good
412 reviews

Overall

7.9

Entertainment

6.9

Crew

8.6

Comfort

7.9

Food

7.5

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 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.

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

    The cheapest flight price from Key Largo to Ottawa is $148. On average you can expect to pay $176. The most popular route, (Miami - Ottawa), can usually be booked for $291.

  • 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 $41). 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

See prices for flight routes from nearby airports that may be better suited for you.
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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 February 4, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$82Average$468FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$122Average$313FlexibilityNo cancel feeOn-time69%
Porter AirlinesCheapest$125Average$308FlexibilityNo cancel feeOn-time52%

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