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Cheap flights from Ottawa to the United States from C$ 157

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 17/2. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — LAX
10 Mar — 17 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap 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 8 February 2026.

Thu 5/37:00 a.m.
YOW
-
FLL
Nonstop3h 40m
Porter Airlines
Thu 12/38:55 p.m.
FLL
-
YOW
Nonstop3h 30m
Porter Airlines
Deal found 5/2C$ 256
Thu 5/37:00 a.m.
YOW
-
FLL
Nonstop3h 40m
Porter Airlines
Fri 27/38:55 p.m.
FLL
-
YOW
Nonstop3h 30m
Porter Airlines
Deal found 5/2C$ 258
Sun 5/47:00 a.m.
YOW
-
FLL
Nonstop3h 40m
Porter Airlines
Fri 10/48:55 p.m.
FLL
-
YOW
Nonstop3h 30m
Porter Airlines
Deal found 5/2C$ 260
Fri 27/23:55 p.m.
YOW
-
EWR
Nonstop1h 30m
Porter Airlines
Mon 2/33:45 p.m.
EWR
-
YOW
Nonstop1h 40m
Porter Airlines
Deal found 5/2C$ 262
Thu 26/23:55 p.m.
YOW
-
EWR
Nonstop1h 30m
Porter Airlines
Sun 1/310:55 a.m.
EWR
-
YOW
Nonstop1h 40m
Porter Airlines
Deal found 5/2C$ 265
Mon 2/33:55 p.m.
YOW
-
EWR
Nonstop1h 35m
Porter Airlines
Mon 16/33:45 p.m.
EWR
-
YOW
Nonstop1h 40m
Porter Airlines
Deal found 5/2C$ 267
Wed 1/47:00 a.m.
YOW
-
FLL
Nonstop3h 40m
Porter Airlines
Fri 10/48:55 p.m.
FLL
-
YOW
Nonstop3h 30m
Porter Airlines
Deal found 4/2C$ 268
Tue 7/47:00 a.m.
YOW
-
FLL
Nonstop3h 40m
Porter Airlines
Thu 9/48:55 p.m.
FLL
-
YOW
Nonstop3h 30m
Porter Airlines
Deal found 4/2C$ 272
Fri 27/36:45 a.m.
YOW
-
FLL
1 stop6h 12m
Porter Airlines
Sat 4/48:55 p.m.
FLL
-
YOW
Nonstop3h 30m
Porter Airlines
Deal found 5/2C$ 273
Sat 28/23:55 p.m.
YOW
-
EWR
Nonstop1h 30m
Porter Airlines
Mon 2/33:45 p.m.
EWR
-
YOW
Nonstop1h 40m
Porter Airlines
Deal found 5/2C$ 276
Tue 24/33:55 p.m.
YOW
-
EWR
Nonstop1h 35m
Porter Airlines
Tue 31/33:45 p.m.
EWR
-
YOW
Nonstop1h 40m
Porter Airlines
Deal found 7/2C$ 277
Fri 27/36:45 a.m.
YOW
-
FLL
1 stop6h 12m
Porter Airlines
Fri 10/48:55 p.m.
FLL
-
YOW
Nonstop3h 30m
Porter Airlines
Deal found 4/2C$ 277

Find flight deals from Ottawa to USA

Keep the following information in mind while searching for Ottawa to USA flight deals. Data was last updated 8 February 2026.

Round-trip from

C$ 256

One-way from

C$ 157

Popular in

February

Cheapest in

June

Average price

C$ 422

Good round-trip deal

C$ 264 or less

Good one-way deal

C$ 142 or less
Porter Airlines
  • Porter Airlines
  • 5/3-12/3
  • Nonstop
  • 7h 10m total
  • Ottawa to USA
Search Deals
Porter Airlines
  • Porter Airlines
  • 17/2
  • Nonstop
  • 3h 40m total
  • Ottawa to USA
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (C$ 22 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 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

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 8 February 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

OttawaNewark

YOW - EWR

YOWEWR

Ottawa

Wed 1/4

3:55 p.m.-5:25 p.m.

Nonstop1h 30m

Newark

Tue 7/4

3:45 p.m.-5:25 p.m.

Nonstop1h 40m

C$ 272

OttawaNewark

YOW - EWR

YOWEWR

Ottawa

Fri 27/3

3:55 p.m.-5:30 p.m.

Nonstop1h 35m

Newark

Mon 30/3

3:45 p.m.-5:25 p.m.

Nonstop1h 40m

C$ 282

OttawaFort Lauderdale

YOW - FLL

YOWFLL

Ottawa

Sun 22/2

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

Nonstop3h 40m

Fort Lauderdale

Wed 25/2

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

Nonstop3h 30m

C$ 282

OttawaFort Lauderdale

YOW - FLL

YOWFLL

Ottawa

Thu 5/3

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

Nonstop3h 40m

Fort Lauderdale

Fri 27/3

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

Nonstop3h 30m

C$ 293

OttawaFort Lauderdale

YOW - FLL

YOWFLL

Ottawa

Sun 8/3

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

Nonstop3h 40m

Fort Lauderdale

Fri 27/3

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

Nonstop3h 30m

C$ 294

OttawaNewark

YOW - EWR

YOWEWR

Ottawa

Thu 5/3

8:40 a.m.-2:00 p.m.

1 stop5h 20m

Newark

Sun 8/3

10:55 a.m.-12:35 p.m.

Nonstop1h 40m

C$ 295

OttawaOrlando

YOW - MCO

YOWMCO

Ottawa

Sun 8/3

3:05 p.m.-11:23 p.m.

1 stop8h 18m

Orlando

Sun 15/3

8:45 p.m.-12:02 a.m.

Nonstop3h 17m

C$ 297

OttawaNewark

YOW - EWR

YOWEWR

Ottawa

Sun 8/3

9:25 a.m.-11:00 a.m.

Nonstop1h 35m

Newark

Thu 19/3

8:55 a.m.-12:59 p.m.

1 stop4h 04m

C$ 305

OttawaSeattle

YOW - SEA

YOWSEA

Ottawa

Mon 11/5

1:20 p.m.-6:45 p.m.

1 stop8h 25m

Seattle/Tacoma Intl

Fri 15/5

7:35 p.m.-5:40 a.m.

1 stop7h 05m

C$ 308

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Thu 23/4

5:40 a.m.-6:13 p.m.

2 stops15h 33m

Las Vegas Harry Reid Intl

Tue 28/4

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

1 stop8h 45m

C$ 309

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/2

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$ 152). Flying from Ottawa to USA in June is currently the most expensive (average of C$ 221). 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 8 February 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 69% 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 7 February 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 23% of weekly flights between Ottawa and United States have experienced delays in the past year, with the average delay time being 134 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?

Wednesday 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 15% 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 8 February 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
7.9
Good
414 reviews
Check prices

Food

7.5

Comfort

7.9

Crew

8.6

Overall

7.9

Entertainment

6.9

Boarding

8.2

Reviews

1 / 20
2.0
Mediocre

Milad,Feb 2026

LIR - YYZ

Not helpful staff at Liberia airport at the check-in counter. Extremely poor skill people and not willing to help the passenger.
Porter Airlines
7.9
Good
414 reviews
Porter Airlines
7.9
Good
414 reviews
Check prices

Food

7.5

Comfort

7.9

Crew

8.6

Overall

7.9

Entertainment

6.9

Boarding

8.2

Reviews

1 / 20
2.0
Mediocre

Milad,Feb 2026

LIR - YYZ

Not helpful staff at Liberia airport at the check-in counter. Extremely poor skill people and not willing to help the passenger.
Air Transat
7.7
Good
505 reviews
Porter Airlines
7.9
Good
414 reviews
Check prices

Food

7.5

Comfort

7.9

Crew

8.6

Overall

7.9

Entertainment

6.9

Boarding

8.2

Reviews

1 / 20
2.0
Mediocre

Milad,Feb 2026

LIR - YYZ

Not helpful staff at Liberia airport at the check-in counter. Extremely poor skill people and not willing to help the passenger.
United Airlines
7.4
Good
9,259 reviews
Porter Airlines
7.9
Good
414 reviews
Check prices

Food

7.5

Comfort

7.9

Crew

8.6

Overall

7.9

Entertainment

6.9

Boarding

8.2

Reviews

1 / 20
2.0
Mediocre

Milad,Feb 2026

LIR - YYZ

Not helpful staff at Liberia airport at the check-in counter. Extremely poor skill people and not willing to help the passenger.
WestJet
7.2
Good
3,256 reviews
Porter Airlines
7.9
Good
414 reviews
Check prices

Food

7.5

Comfort

7.9

Crew

8.6

Overall

7.9

Entertainment

6.9

Boarding

8.2

Reviews

1 / 20
2.0
Mediocre

Milad,Feb 2026

LIR - YYZ

Not helpful staff at Liberia airport at the check-in counter. Extremely poor skill people and not willing to help the passenger.
Air Canada
7.1
Good
10,698 reviews
Porter Airlines
7.9
Good
414 reviews
Check prices

Food

7.5

Comfort

7.9

Crew

8.6

Overall

7.9

Entertainment

6.9

Boarding

8.2

Reviews

1 / 20
2.0
Mediocre

Milad,Feb 2026

LIR - YYZ

Not helpful staff at Liberia airport at the check-in counter. Extremely poor skill people and not willing to help the passenger.

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 1h 30m. There are 528 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$ 42), WestJet (C$ 117), and Porter Airlines (C$ 131).

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

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

  • 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$ 152). Flying from Ottawa to USA in June is currently the most expensive (average of C$ 221). 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 8 February 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 182AverageC$ 562FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 201AverageC$ 548FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
WestJetCheapestC$ 238AverageC$ 409FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Porter AirlinesCheapestC$ 256AverageC$ 420FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air TransatCheapestC$ 259AverageC$ 454FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
APG AirlinesCheapestC$ 547AverageC$ 744FlexibilityNo 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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