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Cheap flights from Ottawa to the United States from C$ 143

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 4/2. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — LAX
11 Feb — 18 Feb1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ottawa to USA

Keep the following information in mind while searching for Ottawa to USA flight deals. Data was last updated 12 January 2026.

Round-trip from

C$ 222

One-way from

C$ 143

Popular in

February

Cheapest in

June

Average price

C$ 360

Good round-trip deal

C$ 277 or less

Good one-way deal

C$ 168 or less
Porter Airlines
  • Porter Airlines
  • 3/3-12/3
  • Nonstop
  • 7h 10m total
  • Ottawa to USA
Search Deals
Porter Airlines
  • Porter Airlines
  • 4/2
  • Nonstop
  • 3h 40m total
  • Ottawa to USA
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (C$ 21 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals
Price to beat on a round-trip flight from Ottawa to USA.
Search Deals
Price to beat on a one-way flight from Ottawa to USA.
Search Deals

Find flight deals from Ottawa to USA

Enter your travel dates to find the best prices.

Cheapest flights from Ottawa to USA
Explore the most affordable flight options available from Ottawa to USA. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 January 2026.

Tue 3/37:00 a.m.
YOW
-
FLL
Nonstop3h 40m
Porter Airlines
Thu 12/38:55 p.m.
FLL
-
YOW
Nonstop3h 30m
Porter Airlines
Deal found 11/1C$ 222
Mon 2/27:00 a.m.
YOW
-
FLL
Nonstop3h 40m
Porter Airlines
Fri 13/28:55 p.m.
FLL
-
YOW
Nonstop3h 30m
Porter Airlines
Deal found 10/1C$ 225
Tue 3/24:15 p.m.
YOW
-
FLL
Nonstop3h 40m
Porter Airlines
Fri 13/28:55 p.m.
FLL
-
YOW
Nonstop3h 30m
Porter Airlines
Deal found 9/1C$ 226
Tue 3/37:00 a.m.
YOW
-
FLL
Nonstop3h 40m
Porter Airlines
Wed 4/38:55 p.m.
FLL
-
YOW
Nonstop3h 30m
Porter Airlines
Deal found 11/1C$ 228
Sun 8/27:00 a.m.
YOW
-
FLL
Nonstop3h 40m
Porter Airlines
Fri 13/211:40 a.m.
FLL
-
YOW
1 stop6h 53m
Porter Airlines
Deal found 9/1C$ 229
Tue 10/34:15 p.m.
YOW
-
FLL
Nonstop3h 40m
Porter Airlines
Thu 12/38:55 p.m.
FLL
-
YOW
Nonstop3h 30m
Porter Airlines
Deal found 11/1C$ 230
Wed 25/26:15 a.m.
YOW
-
FLL
Nonstop3h 53m
Air Canada
Wed 4/311:20 a.m.
FLL
-
YOW
Nonstop3h 22m
Air Canada
Deal found 11/1C$ 232
Wed 4/34:15 p.m.
YOW
-
FLL
Nonstop3h 40m
Porter Airlines
Wed 11/38:55 p.m.
FLL
-
YOW
Nonstop3h 30m
Porter Airlines
Deal found 11/1C$ 235
Mon 16/24:15 p.m.
YOW
-
FLL
Nonstop3h 40m
Porter Airlines
Tue 24/28:55 p.m.
FLL
-
YOW
Nonstop3h 30m
Porter Airlines
Deal found 10/1C$ 237
Tue 10/24:15 p.m.
YOW
-
FLL
Nonstop3h 40m
Porter Airlines
Fri 13/28:55 p.m.
FLL
-
YOW
Nonstop3h 30m
Porter Airlines
Deal found 10/1C$ 239
Tue 3/37:00 a.m.
YOW
-
FLL
Nonstop3h 40m
Porter Airlines
Fri 13/31:55 p.m.
FLL
-
YOW
Nonstop3h 30m
Porter Airlines
Deal found 10/1C$ 240
Tue 20/17:00 a.m.
YOW
-
FLL
Nonstop3h 40m
Porter Airlines
Sat 24/18:55 p.m.
FLL
-
YOW
Nonstop3h 30m
Porter Airlines
Deal found 10/1C$ 242

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ottawa to USA 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 12 January 2026.
Use the filters below to find and compare flights from Ottawa to the United States that are best for you.

Fly from

Ottawa

Fly to

USA

Route

Depart

Return

Price

OttawaFort Lauderdale

YOW - FLL

YOWFLL

Ottawa

Thu 5/2

4:15 p.m.-7:55 p.m.

Nonstop3h 40m

Fort Lauderdale

Fri 13/2

8:55 p.m.-12:25 a.m.

Nonstop3h 30m

C$ 232

OttawaFort Lauderdale

YOW - FLL

YOWFLL

Ottawa

Wed 4/2

7:00 a.m.-10:40 a.m.

Nonstop3h 40m

Fort Lauderdale

Fri 13/2

8:55 p.m.-12:25 a.m.

Nonstop3h 30m

C$ 239

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Thu 30/4

3:45 p.m.-9:29 p.m.

1 stop8h 44m

Las Vegas Harry Reid Intl

Tue 5/5

12:35 p.m.-12:22 a.m.

1 stop8h 47m

C$ 251

OttawaTampa

YOW - TPA

YOWTPA

Ottawa

Thu 5/2

9:40 a.m.-1:04 p.m.

Nonstop3h 24m

Tampa

Mon 16/2

2:05 p.m.-5:15 p.m.

Nonstop3h 10m

C$ 260

OttawaNewark

YOW - EWR

YOWEWR

Ottawa

Fri 6/3

9:25 a.m.-10:55 a.m.

Nonstop1h 30m

Newark

Mon 9/3

5:15 p.m.-10:29 p.m.

1 stop5h 14m

C$ 262

OttawaNewark

YOW - EWR

YOWEWR

Ottawa

Sat 14/2

3:40 p.m.-7:45 p.m.

1 stop4h 05m

Newark

Mon 16/2

10:00 a.m.-3:44 p.m.

1 stop5h 44m

C$ 264

OttawaOrlando

YOW - MCO

YOWMCO

Ottawa

Mon 23/2

4:20 p.m.-7:48 p.m.

Nonstop3h 28m

Orlando

Thu 26/2

11:20 a.m.-6:33 p.m.

1 stop7h 13m

C$ 271

OttawaNewark

YOW - EWR

YOWEWR

Ottawa

Fri 10/4

4:35 p.m.-9:10 p.m.

1 stop4h 35m

Newark

Mon 13/4

10:00 a.m.-3:04 p.m.

1 stop5h 04m

C$ 271

OttawaNewark

YOW - EWR

YOWEWR

Ottawa

Tue 10/2

9:15 a.m.-3:00 p.m.

1 stop5h 45m

Newark

Tue 17/2

11:40 a.m.-6:09 p.m.

1 stop6h 29m

C$ 271

OttawaFort Lauderdale

YOW - FLL

YOWFLL

Ottawa

Sat 7/3

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

1 stop6h 04m

Fort Lauderdale

Tue 10/3

8:15 a.m.-4:30 p.m.

1 stop8h 15m

C$ 275

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/1

Showing 1-10 of 60 results
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Best time to book a flight from Ottawa to USA

Have a flexible travel schedule? Discover the best time to fly to USA 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 the United States

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

Currently, September is the cheapest month in which you can book a flight from Ottawa to USA (average of C$ 154). Flying from Ottawa to USA in March is currently the most expensive (average of C$ 230). 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 US?

Find hourly flight availability from Ottawa to USA. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 12 January 2026.

When flying from Ottawa to USA, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 70% versus a flight at noon.

What is the cheapest day to fly from Ottawa to USA?

Use this chart to determine the cheapest time to fly round-trip from Ottawa to USA. Price data was last updated on 10 January 2026.

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

How often are flights from Ottawa to the United States delayed?

About 22% of weekly flights between Ottawa and United States have experienced delays in the past year, with the average delay time being 133 minutes.

What is the most punctual flight time for Ottawa to the United States flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Tuesday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Ottawa to the United States flights?

Over the past year, Air Canada Rouge has had the lowest number of delays on this route, with just 13% of flights being delayed.

Reviews of airlines servicing USA

Get insights into the airlines that provide service to USA. 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 USA. Reviews last updated 12 January 2026.
See what other customers who have flown with Porter Airlines,Air Transat, andUnited Airlines from Ottawa to the United States have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
8.0
Very good
406 reviews
Check prices

Crew

8.6

Overall

8.0

Comfort

7.9

Boarding

8.2

Entertainment

7.0

Food

7.6

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
8.0
Very good
406 reviews
Porter Airlines
8.0
Very good
406 reviews
Check prices

Crew

8.6

Overall

8.0

Comfort

7.9

Boarding

8.2

Entertainment

7.0

Food

7.6

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 Transat
7.7
Good
493 reviews
Porter Airlines
8.0
Very good
406 reviews
Check prices

Crew

8.6

Overall

8.0

Comfort

7.9

Boarding

8.2

Entertainment

7.0

Food

7.6

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
United Airlines
7.4
Good
9,144 reviews
Porter Airlines
8.0
Very good
406 reviews
Check prices

Crew

8.6

Overall

8.0

Comfort

7.9

Boarding

8.2

Entertainment

7.0

Food

7.6

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
WestJet
7.2
Good
3,236 reviews
Porter Airlines
8.0
Very good
406 reviews
Check prices

Crew

8.6

Overall

8.0

Comfort

7.9

Boarding

8.2

Entertainment

7.0

Food

7.6

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
10,618 reviews
Porter Airlines
8.0
Very good
406 reviews
Check prices

Crew

8.6

Overall

8.0

Comfort

7.9

Boarding

8.2

Entertainment

7.0

Food

7.6

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 Ottawa to USA. 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 United States?

    Most people fly from Ottawa (YOW) if they book a flight from Ottawa to United States. Ottawa is conveniently located just 10.6 km from Ottawa’s city centre.

  • How long is the flight from Ottawa to USA?

    Departing from Ottawa to USA will take you 3h 40m. There are 2176 km between Ottawa and USA. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Ottawa to USA one-way?

    The cheapest airlines for a one-way flight from Ottawa to USA are Air Transat (C$ 43), WestJet (C$ 120), and Porter Airlines (C$ 133).

  • What are the most popular routes from Ottawa to USA?

    The most popular flight routes from Ottawa to USA are Ottawa - Orlando, Ottawa - Fort Lauderdale and Ottawa - Newark.

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

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

  • How can I find direct flights from Ottawa to USA?

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

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

    Yes. Cheapflights offers flight deals from Ottawa to USA 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 USA?

    Currently, September is the cheapest month in which you can book a flight from Ottawa to USA (average of C$ 154). Flying from Ottawa to USA in March is currently the most expensive (average of C$ 230). 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Ottawa to USA

See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from Ottawa to USA

Discover the top 6 airlines that operate flights from Ottawa to USA. 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 12 January 2026.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 242AverageC$ 401FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Air CanadaCheapestC$ 245AverageC$ 579FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 246AverageC$ 560FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Porter AirlinesCheapestC$ 262AverageC$ 424FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air TransatCheapestC$ 263AverageC$ 431FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
APG AirlinesCheapestC$ 556AverageC$ 755FlexibilityNo cancel feeOn-timeN/A
Search APG Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Ottawa to USA?

Cheapflights helps you search for flights from Ottawa to USA via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

Cheapflights simply makes it quick and affordable to book flights from Ottawa to USA by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Ottawa to USA with no change fees?

Certainly. Search results for flights to USA from Ottawa shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Ottawa to USA become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to USA from Ottawa today and book when prices fit your budget.

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