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$134+ 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 10/15. Fares are subject to change and may not be available on all flights or dates of travel.
MIA — YOW
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
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 September 16, 2025.

Round-trip from

$319
(Kiwi.com)

One-way from

$134
(Kiwi.com)

Popular in

March

Cheapest in

January

Average price

$787
From Key Largo to Ottawa
Search Deals
One-way flight from Key Largo to Ottawa
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Highest demand for flights based on searches. 21% potential increase in price ($178 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($30 potential savings vs. average RT price).
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Average for round-trip flights in September 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 September 16, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/15. 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 10/67:52 pmMIA - YOW
1 stop19h 04mMultiple Airlines
Wed 10/1511:00 amYOW - MIA
2 stops12h 10mMultiple Airlines
Deal found 9/15$319
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 10/166:16 pmMIA - YOW
2 stops30h 06mMultiple Airlines
Mon 10/2010:50 amYOW - MIA
1 stop6h 15mMultiple Airlines
Deal found 9/15$341
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 10/316:00 amMIA - YOW
2 stops18h 42mMultiple Airlines
Fri 11/73:55 pmYOW - MIA
1 stop18h 07mMultiple Airlines
Deal found 9/14$349
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 10/1410:29 pmMIA - YOW
1 stop16h 27mMultiple Airlines
Tue 10/213:25 pmYOW - MIA
2 stops17h 47mMultiple Airlines
Deal found 9/15$356
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 10/109:49 amMIA - YOW
1 stop23h 42mMultiple Airlines
Sun 10/124:05 pmYOW - MIA
1 stop25h 00mMultiple Airlines
Deal found 9/13$362
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 10/99:49 amMIA - YOW
1 stop10h 16mMultiple Airlines
Mon 10/1311:00 amYOW - MIA
2 stops31h 07mMultiple Airlines
Deal found 9/14$379
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 10/99:49 amMIA - YOW
1 stop10h 16mMultiple Airlines
Sat 10/1111:50 amYOW - MIA
1 stop6h 14mMultiple Airlines
Deal found 9/13$383
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 10/99:49 amMIA - YOW
1 stop10h 16mMultiple Airlines
Tue 10/1410:50 amYOW - MIA
1 stop7h 17mMultiple Airlines
Deal found 9/14$395

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 September 16, 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

Mon 10/6

7:52 pm-2:56 pm

1 stop19h 04m

Ottawa

Wed 10/15

11:00 am-11:10 pm

2 stops12h 10m

$319

MiamiOttawa

MIA - YOW

MIAYOW

Miami

Thu 10/16

6:16 pm-12:22 am

2 stops30h 06m

Ottawa

Mon 10/20

10:50 am-5:05 pm

1 stop6h 15m

$341

MiamiOttawa

MIA - YOW

MIAYOW

Miami

Fri 10/10

9:49 am-9:31 am

1 stop23h 42m

Ottawa

Sun 10/12

4:05 pm-5:05 pm

1 stop25h 00m

$362

MiamiOttawa

MIA - YOW

MIAYOW

Miami

Thu 10/9

9:49 am-8:05 pm

1 stop10h 16m

Ottawa

Tue 10/14

11:00 am-6:07 pm

2 stops31h 07m

$379

MiamiOttawa

MIA - YOW

MIAYOW

Miami

Thu 10/9

9:49 am-8:05 pm

1 stop10h 16m

Ottawa

Mon 10/13

11:00 am-6:07 pm

2 stops31h 07m

$379

MiamiOttawa

MIA - YOW

MIAYOW

Miami

Thu 10/9

9:49 am-8:34 pm

2 stops10h 45m

Ottawa

Sat 10/11

11:50 am-6:04 pm

1 stop6h 14m

$389

MiamiOttawa

MIA - YOW

MIAYOW

Miami

Tue 10/14

7:52 pm-5:20 pm

2 stops21h 28m

Ottawa

Tue 10/21

9:35 am-11:10 pm

2 stops13h 35m

$408

MiamiOttawa

MIA - YOW

MIAYOW

Miami

Sun 10/12

6:00 am-12:40 am

2 stops18h 40m

Ottawa

Sun 10/19

4:05 pm-5:05 pm

1 stop25h 00m

$409

MiamiOttawa

MIA - YOW

MIAYOW

Miami

Wed 10/15

9:49 am-2:56 pm

1 stop29h 07m

$134

MiamiOttawa

MIA - YOW

MIAYOW

Miami

Sat 11/15

7:20 am-12:42 am

2 stops17h 22m

$265

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 16 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, January is the cheapest month in which you can book a flight from Key Largo to Ottawa (average of $294). Flying from Key Largo to Ottawa in September is currently the most expensive (average of $428). 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 September 16, 2025.

When flying from Key Largo to Ottawa, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 September 14, 2025.

Travelers seeking maximum savings on their Key Largo to Ottawa flight should consider departing on Thursday mornings 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 September 16, 2025.
Peruse reviews from past customers who have flown with United 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.
United Airlines
7.4
Good
8,924 reviews

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Crew

8.1

Overall

7.4

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,924 reviews
United Airlines
7.4
Good
8,924 reviews

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Crew

8.1

Overall

7.4

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Air Canada
7.1
Good
10,000 reviews
United Airlines
7.4
Good
8,924 reviews

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Crew

8.1

Overall

7.4

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

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.

  • 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, January is the cheapest month in which you can book a flight from Key Largo to Ottawa (average of $294). Flying from Key Largo to Ottawa in September is currently the most expensive (average of $428). 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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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 September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$98Average$428FlexibilityNo cancel feeOn-time67%
Porter AirlinesCheapest$120Average$274FlexibilityNo cancel feeOn-time52%
United AirlinesCheapest$490Average$828FlexibilityNo cancel feeOn-time69%

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